make/autoconf/flags-cflags.m4
author pliden
Tue, 18 Sep 2018 22:46:35 +0200
changeset 51794 4129f43607cb
parent 51765 e10ade04afe5
child 51814 43668e3cae4d
permissions -rw-r--r--
8210753: Make ThreadLocalAllocBuffer::resize() public Reviewed-by: eosterlund, jcbeyler
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#
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# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.  Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################################
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#
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# Setup flags for C/C++ compiler
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#
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###############################################################################
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#
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# How to compile shared libraries.
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#
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AC_DEFUN([FLAGS_SETUP_SHARED_LIBS],
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[
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  if test "x$TOOLCHAIN_TYPE" = xgcc; then
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    C_FLAG_REORDER=''
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    # Default works for linux, might work on other platforms as well.
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    SHARED_LIBRARY_FLAGS='-shared'
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    SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
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    SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
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    SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
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    SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
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  elif test "x$TOOLCHAIN_TYPE" = xclang; then
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    C_FLAG_REORDER=''
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    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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      # Linking is different on MacOSX
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      SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0"
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      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path$(or [$]1,/.)'
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      SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
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      SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
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      SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
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    else
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      # Default works for linux, might work on other platforms as well.
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      SHARED_LIBRARY_FLAGS='-shared'
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      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
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      SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
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      SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
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      # arm specific settings
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      if test "x$OPENJDK_TARGET_CPU" = "xarm"; then
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        # '-Wl,-z,origin' isn't used on arm.
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        SET_SHARED_LIBRARY_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1'
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      else
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        SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
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      fi
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    fi
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  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
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    C_FLAG_REORDER='-xF'
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    SHARED_LIBRARY_FLAGS="-G"
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    SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1'
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    SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
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    SET_SHARED_LIBRARY_NAME='-h [$]1'
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    SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
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  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
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    C_FLAG_REORDER=''
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    SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry"
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    SET_EXECUTABLE_ORIGIN=""
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    SET_SHARED_LIBRARY_ORIGIN=''
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    SET_SHARED_LIBRARY_NAME=''
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    SET_SHARED_LIBRARY_MAPFILE=''
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  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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    C_FLAG_REORDER=''
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    SHARED_LIBRARY_FLAGS="-dll"
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    SET_EXECUTABLE_ORIGIN=''
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    SET_SHARED_LIBRARY_ORIGIN=''
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    SET_SHARED_LIBRARY_NAME=''
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    SET_SHARED_LIBRARY_MAPFILE='-def:[$]1'
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  fi
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  AC_SUBST(C_FLAG_REORDER)
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  AC_SUBST(SET_EXECUTABLE_ORIGIN)
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  AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
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  AC_SUBST(SET_SHARED_LIBRARY_NAME)
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  AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
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  AC_SUBST(SHARED_LIBRARY_FLAGS)
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])
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AC_DEFUN([FLAGS_SETUP_DEBUG_SYMBOLS],
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[
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  # By default don't set any specific assembler debug
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  # info flags for toolchains unless we know they work.
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  # See JDK-8207057.
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  ASFLAGS_DEBUG_SYMBOLS=""
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  # Debug symbols
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  if test "x$TOOLCHAIN_TYPE" = xgcc; then
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    CFLAGS_DEBUG_SYMBOLS="-g"
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    ASFLAGS_DEBUG_SYMBOLS="-g"
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  elif test "x$TOOLCHAIN_TYPE" = xclang; then
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    CFLAGS_DEBUG_SYMBOLS="-g"
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    ASFLAGS_DEBUG_SYMBOLS="-g"
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  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
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    # -g0 enables debug symbols without disabling inlining.
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    CFLAGS_DEBUG_SYMBOLS="-g0 -xs"
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  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
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    CFLAGS_DEBUG_SYMBOLS="-g"
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  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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    CFLAGS_DEBUG_SYMBOLS="-Z7 -d2Zi+"
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  fi
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  AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
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  AC_SUBST(ASFLAGS_DEBUG_SYMBOLS)
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])
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AC_DEFUN([FLAGS_SETUP_WARNINGS],
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[
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  AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
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      [do not consider native warnings to be an error @<:@enabled@:>@])])
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  # Set default value.
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  if test "x$TOOLCHAIN_TYPE" = xxlc; then
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    WARNINGS_AS_ERRORS=false
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  else
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    WARNINGS_AS_ERRORS=true
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  fi
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  AC_MSG_CHECKING([if native warnings are errors])
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  if test "x$enable_warnings_as_errors" = "xyes"; then
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    AC_MSG_RESULT([yes (explicitly set)])
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    WARNINGS_AS_ERRORS=true
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  elif test "x$enable_warnings_as_errors" = "xno"; then
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    AC_MSG_RESULT([no (explicitly set)])
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    WARNINGS_AS_ERRORS=false
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  elif test "x$enable_warnings_as_errors" = "x"; then
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    AC_MSG_RESULT([${WARNINGS_AS_ERRORS} (default)])
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  else
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    AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
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  fi
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  AC_SUBST(WARNINGS_AS_ERRORS)
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  case "${TOOLCHAIN_TYPE}" in
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    microsoft)
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      DISABLE_WARNING_PREFIX="-wd"
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      CFLAGS_WARNINGS_ARE_ERRORS="-WX"
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      ;;
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    solstudio)
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      DISABLE_WARNING_PREFIX="-erroff="
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      CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
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      ;;
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    gcc)
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      DISABLE_WARNING_PREFIX="-Wno-"
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      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
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      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
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      # CFLAGS since any target specific flags will likely not work with the
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      # build compiler
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      CC_OLD="$CC"
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      CXX_OLD="$CXX"
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      CC="$BUILD_CC"
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      CXX="$BUILD_CXX"
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      CFLAGS_OLD="$CFLAGS"
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      CFLAGS=""
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      BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
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      CC="$CC_OLD"
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      CXX="$CXX_OLD"
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      CFLAGS="$CFLAGS_OLD"
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      ;;
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    clang)
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      DISABLE_WARNING_PREFIX="-Wno-"
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      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
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      ;;
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    xlc)
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      DISABLE_WARNING_PREFIX="-qsuppress="
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      CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
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      ;;
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  esac
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  AC_SUBST(DISABLE_WARNING_PREFIX)
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  AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
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  AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
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])
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AC_DEFUN([FLAGS_SETUP_QUALITY_CHECKS],
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[
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  # bounds, memory and behavior checking options
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  if test "x$TOOLCHAIN_TYPE" = xgcc; then
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    case $DEBUG_LEVEL in
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    release )
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      # no adjustment
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      ;;
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    fastdebug )
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      # no adjustment
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      ;;
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    slowdebug )
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      # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it
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      # get's added conditionally on whether we produce debug symbols or not.
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      # This is most likely not really correct.
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      # Add runtime stack smashing and undefined behavior checks.
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      CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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      CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
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      JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -fstack-protector-all --param ssp-buffer-size=1"
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      ;;
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    esac
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  fi
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])
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AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
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[
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  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
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    CC_HIGHEST="-fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
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    C_O_FLAG_HIGHEST_JVM="-xO4"
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    C_O_FLAG_DEBUG_JVM=""
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    C_O_FLAG_SIZE=""
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    C_O_FLAG_DEBUG=""
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    C_O_FLAG_NONE=""
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    if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
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      C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST"
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      C_O_FLAG_HI="-xO4 -Wu,-O4~yz"
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      C_O_FLAG_NORM="-xO2 -Wu,-O2~yz"
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    elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
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      C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 \
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          -xprefetch=auto,explicit $CC_HIGHEST"
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      C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
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      C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
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    fi
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  elif test "x$TOOLCHAIN_TYPE" = xgcc; then
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    C_O_FLAG_HIGHEST_JVM="-O3"
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    C_O_FLAG_HIGHEST="-O3"
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    C_O_FLAG_HI="-O3"
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    C_O_FLAG_NORM="-O2"
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    C_O_FLAG_SIZE="-Os"
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    C_O_FLAG_DEBUG="-O0"
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    C_O_FLAG_DEBUG_JVM="-O0"
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    C_O_FLAG_NONE="-O0"
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  elif test "x$TOOLCHAIN_TYPE" = xclang; then
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    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
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      # On MacOSX we optimize for size, something
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      # we should do for all platforms?
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      C_O_FLAG_HIGHEST_JVM="-Os"
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      C_O_FLAG_HIGHEST="-Os"
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      C_O_FLAG_HI="-Os"
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      C_O_FLAG_NORM="-Os"
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      C_O_FLAG_DEBUG_JVM=""
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    else
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      C_O_FLAG_HIGHEST_JVM="-O3"
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      C_O_FLAG_HIGHEST="-O3"
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      C_O_FLAG_HI="-O3"
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      C_O_FLAG_NORM="-O2"
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      C_O_FLAG_DEBUG_JVM="-O0"
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    fi
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    C_O_FLAG_SIZE="-Os"
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    C_O_FLAG_DEBUG="-O0"
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    C_O_FLAG_NONE="-O0"
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  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
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    C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue"
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    C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue"
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    C_O_FLAG_HI="-O3 -qinline -qinlglue"
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    C_O_FLAG_NORM="-O2"
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    C_O_FLAG_DEBUG="-qnoopt"
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    # FIXME: Value below not verified.
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    C_O_FLAG_DEBUG_JVM=""
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    C_O_FLAG_NONE="-qnoopt"
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  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
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    C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
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    C_O_FLAG_HIGHEST="-O2"
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    C_O_FLAG_HI="-O1"
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    C_O_FLAG_NORM="-O1"
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    C_O_FLAG_DEBUG="-Od"
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    C_O_FLAG_DEBUG_JVM=""
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    C_O_FLAG_NONE="-Od"
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    C_O_FLAG_SIZE="-Os"
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  fi
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  # Now copy to C++ flags
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  CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM"
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  CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
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  CXX_O_FLAG_HI="$C_O_FLAG_HI"
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  CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
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  CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
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  CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM"
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  CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
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  CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE"
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   303
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   304
  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
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    # In solstudio, also add this to C (but not C++) flags...
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    C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xalias_level=basic"
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  fi
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  # Adjust optimization flags according to debug level.
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  case $DEBUG_LEVEL in
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    release )
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      # no adjustment
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      ;;
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    fastdebug )
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      # Not quite so much optimization
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      C_O_FLAG_HI="$C_O_FLAG_NORM"
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      CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
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      ;;
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    slowdebug )
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   320
      # Disable optimization
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   321
      C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM"
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   322
      C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
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   323
      C_O_FLAG_HI="$C_O_FLAG_DEBUG"
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   324
      C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
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   325
      C_O_FLAG_SIZE="$C_O_FLAG_DEBUG"
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   326
      CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM"
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   327
      CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
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   328
      CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
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   329
      CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
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   330
      CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG"
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   331
      ;;
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   332
  esac
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diff changeset
   333
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   334
  AC_SUBST(C_O_FLAG_HIGHEST_JVM)
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diff changeset
   335
  AC_SUBST(C_O_FLAG_HIGHEST)
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diff changeset
   336
  AC_SUBST(C_O_FLAG_HI)
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diff changeset
   337
  AC_SUBST(C_O_FLAG_NORM)
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diff changeset
   338
  AC_SUBST(C_O_FLAG_NONE)
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diff changeset
   339
  AC_SUBST(C_O_FLAG_SIZE)
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diff changeset
   340
  AC_SUBST(CXX_O_FLAG_HIGHEST_JVM)
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diff changeset
   341
  AC_SUBST(CXX_O_FLAG_HIGHEST)
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diff changeset
   342
  AC_SUBST(CXX_O_FLAG_HI)
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diff changeset
   343
  AC_SUBST(CXX_O_FLAG_NORM)
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diff changeset
   344
  AC_SUBST(CXX_O_FLAG_NONE)
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diff changeset
   345
  AC_SUBST(CXX_O_FLAG_SIZE)
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   346
])
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diff changeset
   347
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   348
AC_DEFUN([FLAGS_SETUP_CFLAGS],
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   349
[
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   350
  ### CFLAGS
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diff changeset
   351
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   352
  FLAGS_SETUP_CFLAGS_HELPER
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diff changeset
   353
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   354
  FLAGS_OS=$OPENJDK_TARGET_OS
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   355
  FLAGS_OS_TYPE=$OPENJDK_TARGET_OS_TYPE
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diff changeset
   356
  FLAGS_CPU=$OPENJDK_TARGET_CPU
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diff changeset
   357
  FLAGS_CPU_ARCH=$OPENJDK_TARGET_CPU_ARCH
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   358
  FLAGS_CPU_BITS=$OPENJDK_TARGET_CPU_BITS
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   359
  FLAGS_CPU_ENDIAN=$OPENJDK_TARGET_CPU_ENDIAN
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   360
  FLAGS_CPU_LEGACY=$OPENJDK_TARGET_CPU_LEGACY
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   361
  FLAGS_CPU_LEGACY_LIB=$OPENJDK_TARGET_CPU_LEGACY_LIB
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diff changeset
   362
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   363
  FLAGS_SETUP_CFLAGS_CPU_DEP([TARGET])
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diff changeset
   364
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diff changeset
   365
  FLAGS_OS=$OPENJDK_BUILD_OS
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diff changeset
   366
  FLAGS_OS_TYPE=$OPENJDK_BUILD_OS_TYPE
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diff changeset
   367
  FLAGS_CPU=$OPENJDK_BUILD_CPU
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diff changeset
   368
  FLAGS_CPU_ARCH=$OPENJDK_BUILD_CPU_ARCH
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diff changeset
   369
  FLAGS_CPU_BITS=$OPENJDK_BUILD_CPU_BITS
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diff changeset
   370
  FLAGS_CPU_ENDIAN=$OPENJDK_BUILD_CPU_ENDIAN
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   371
  FLAGS_CPU_LEGACY=$OPENJDK_BUILD_CPU_LEGACY
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   372
  FLAGS_CPU_LEGACY_LIB=$OPENJDK_BUILD_CPU_LEGACY_LIB
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diff changeset
   373
c04d813140dc 8198724: Refactor FLAGS handling in configure
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   374
  FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
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diff changeset
   375
51765
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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   376
  COMPILER_FP_CONTRACT_OFF_FLAG="-ffp-contract=off"
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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   377
  # Check that the compiler supports -ffp-contract=off flag
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sgehwolf
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   378
  # Set FDLIBM_CFLAGS to -ffp-contract=off if it does. Empty
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sgehwolf
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   379
  # otherwise.
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sgehwolf
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diff changeset
   380
  # These flags are required for GCC-based builds of
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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diff changeset
   381
  # fdlibm with optimization without losing precision.
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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diff changeset
   382
  # Notably, -ffp-contract=off needs to be added for GCC >= 4.6.
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
parents: 51335
diff changeset
   383
  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
parents: 51335
diff changeset
   384
    FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_FP_CONTRACT_OFF_FLAG}],
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
parents: 51335
diff changeset
   385
	IF_TRUE: [FDLIBM_CFLAGS=${COMPILER_FP_CONTRACT_OFF_FLAG}],
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
parents: 51335
diff changeset
   386
	IF_FALSE: [FDLIBM_CFLAGS=""])
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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diff changeset
   387
  fi
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
parents: 51335
diff changeset
   388
  AC_SUBST(FDLIBM_CFLAGS)
e10ade04afe5 8210416: [linux] Poor StrictMath performance due to non-optimized compilation
sgehwolf
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diff changeset
   389
49120
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diff changeset
   390
  # Tests are only ever compiled for TARGET
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diff changeset
   391
  CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
c04d813140dc 8198724: Refactor FLAGS handling in configure
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parents:
diff changeset
   392
  CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
c04d813140dc 8198724: Refactor FLAGS handling in configure
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parents:
diff changeset
   393
  CFLAGS_TESTEXE="$CFLAGS_JDKEXE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
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diff changeset
   394
  CXXFLAGS_TESTEXE="$CXXFLAGS_JDKEXE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   395
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
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diff changeset
   396
  AC_SUBST(CFLAGS_TESTLIB)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   397
  AC_SUBST(CFLAGS_TESTEXE)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   398
  AC_SUBST(CXXFLAGS_TESTLIB)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   399
  AC_SUBST(CXXFLAGS_TESTEXE)
c04d813140dc 8198724: Refactor FLAGS handling in configure
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diff changeset
   400
])
c04d813140dc 8198724: Refactor FLAGS handling in configure
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diff changeset
   401
c04d813140dc 8198724: Refactor FLAGS handling in configure
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parents:
diff changeset
   402
################################################################################
c04d813140dc 8198724: Refactor FLAGS handling in configure
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parents:
diff changeset
   403
# platform independent
c04d813140dc 8198724: Refactor FLAGS handling in configure
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parents:
diff changeset
   404
AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   405
[
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   406
  #### OS DEFINES, these should be independent on toolchain
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   407
  if test "x$OPENJDK_TARGET_OS" = xlinux; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   408
    CFLAGS_OS_DEF_JVM="-DLINUX"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   409
    CFLAGS_OS_DEF_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   410
  elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   411
    CFLAGS_OS_DEF_JVM="-DSOLARIS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   412
    CFLAGS_OS_DEF_JDK="-D__solaris__"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   413
  elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   414
    CFLAGS_OS_DEF_JVM="-D_ALLBSD_SOURCE -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   415
    CFLAGS_OS_DEF_JDK="-D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   416
  elif test "x$OPENJDK_TARGET_OS" = xaix; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   417
    CFLAGS_OS_DEF_JVM="-DAIX"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   418
  elif test "x$OPENJDK_TARGET_OS" = xbsd; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   419
    CFLAGS_OS_DEF_JDK="-D_ALLBSD_SOURCE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   420
  elif test "x$OPENJDK_TARGET_OS" = xwindows; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   421
    CFLAGS_OS_DEF_JVM="-D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   422
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   423
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
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diff changeset
   424
  CFLAGS_OS_DEF_JDK="$CFLAGS_OS_DEF_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   425
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   426
  #### GLOBAL DEFINES
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   427
  # Set some common defines. These works for all compilers, but assume
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   428
  # -D is universally accepted.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   429
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   430
  # Always enable optional macros for VM.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   431
  ALWAYS_CFLAGS_JVM="-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   432
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   433
  # Setup some hard coded includes
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   434
  ALWAYS_CFLAGS_JDK=" \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   435
      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   436
      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base/\$(OPENJDK_TARGET_OS_INCLUDE_SUBDIR) \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   437
      -I${TOPDIR}/src/java.base/share/native/libjava \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   438
      -I${TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   439
      -I${TOPDIR}/src/hotspot/share/include \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   440
      -I${TOPDIR}/src/hotspot/os/${HOTSPOT_TARGET_OS_TYPE}/include"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   441
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   442
  ###############################################################################
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   443
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   444
  # Adjust flags according to debug level.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   445
  # Setup debug/release defines
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   446
  if test "x$DEBUG_LEVEL" = xrelease; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   447
    DEBUG_CFLAGS_JDK="-DNDEBUG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   448
    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   449
      DEBUG_CFLAGS_JDK="$DEBUG_CFLAGS_JDK -DTRIMMED"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   450
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   451
  else
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   452
    DEBUG_CFLAGS_JDK="-DDEBUG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   453
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   454
    if test "x$TOOLCHAIN_TYPE" = xxlc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   455
      # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   456
      # Hotspot now overflows its 64K TOC (currently only for debug),
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   457
      # so for debug we build with '-qpic=large -bbigtoc'.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   458
      DEBUG_CFLAGS_JVM="-qpic=large"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   459
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   460
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   461
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   462
  if test "x$DEBUG_LEVEL" != xrelease; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   463
    DEBUG_OPTIONS_FLAGS_JDK="$CFLAGS_DEBUG_OPTIONS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   464
    DEBUG_SYMBOLS_CFLAGS_JDK="$CFLAGS_DEBUG_SYMBOLS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   465
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   466
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   467
  #### TOOLCHAIN DEFINES
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   468
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   469
  if test "x$TOOLCHAIN_TYPE" = xgcc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   470
    ALWAYS_DEFINES_JVM="-D_GNU_SOURCE -D_REENTRANT"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   471
  elif test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   472
    ALWAYS_DEFINES_JVM="-D_GNU_SOURCE"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   473
  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   474
    ALWAYS_DEFINES_JVM="-DSPARC_WORKS -D_Crun_inline_placement"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   475
    ALWAYS_DEFINES_JDK="-DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   476
    ALWAYS_DEFINES_JDK_CXXONLY="-DCC_NOEX"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   477
  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   478
    ALWAYS_DEFINES_JVM="-D_REENTRANT"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   479
    ALWAYS_DEFINES_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   480
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   481
    ALWAYS_DEFINES_JDK="-DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   482
        -D_CRT_NONSTDC_NO_DEPRECATE -DWIN32 -DIAL"
49726
4ae63fcabe2e 8199736: Define WIN32_LEAN_AND_MEAN before including windows.h
rwestberg
parents: 49679
diff changeset
   483
    ALWAYS_DEFINES_JVM="-DNOMINMAX -DWIN32_LEAN_AND_MEAN"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   484
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   485
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   486
  ###############################################################################
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   487
  #
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   488
  #
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   489
  # CFLAGS BASIC
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   490
  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   491
    # COMMON to gcc and clang
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   492
    TOOLCHAIN_CFLAGS_JVM="-pipe -fno-rtti -fno-exceptions \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   493
        -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   494
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   495
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   496
  if test "x$TOOLCHAIN_TYPE" = xgcc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   497
    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -fcheck-new"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   498
    TOOLCHAIN_CFLAGS_JDK="-pipe"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   499
    TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX (but since this gives *worse* performance, use no-strict-aliasing everywhere!)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   500
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   501
    CXXSTD_CXXFLAG="-std=gnu++98"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   502
    FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CXXSTD_CXXFLAG -Werror],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   503
    						 IF_FALSE: [CXXSTD_CXXFLAG=""])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   504
    TOOLCHAIN_CFLAGS_JDK_CXXONLY="$CXXSTD_CXXFLAG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   505
    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM $CXXSTD_CXXFLAG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   506
    ADLC_CXXFLAG="$CXXSTD_CXXFLAG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   507
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   508
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   509
  elif test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   510
    # Restrict the debug information created by Clang to avoid
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   511
    # too big object files and speed the build up a little bit
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   512
    # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   513
    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -flimit-debug-info"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   514
50781
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   515
    # In principle the stack alignment below is cpu- and ABI-dependent and
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   516
    # should agree with values of StackAlignmentInBytes in various
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   517
    # src/hotspot/cpu/*/globalDefinitions_*.hpp files, but this value currently
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   518
    # works for all platforms.
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   519
    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -mno-omit-leaf-frame-pointer -mstack-alignment=16"
9f781ce22e7d 8205649: Make clang stack flags independent of OS
martin
parents: 50678
diff changeset
   520
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   521
    if test "x$OPENJDK_TARGET_OS" = xlinux; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   522
      TOOLCHAIN_CFLAGS_JDK="-pipe"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   523
      TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   524
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   525
  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   526
    TOOLCHAIN_CFLAGS_JDK="-mt"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   527
    TOOLCHAIN_CFLAGS_JDK_CONLY="-xc99=%none -xCC -Xa -v -W0,-noglobal" # C only
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   528
    TOOLCHAIN_CFLAGS_JDK_CXXONLY="-features=no%except -norunpath -xnolib" # CXX only
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   529
    TOOLCHAIN_CFLAGS_JVM="-template=no%extdef -features=no%split_init \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   530
        -library=stlport4 -mt -features=no%except"
49155
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   531
    if test "x$DEBUG_LEVEL" = xslowdebug; then
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   532
      # Previously -g was used instead of -g0 for slowdebug; this is equivalent
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   533
      # to setting +d.
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   534
      TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM +d"
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   535
    fi
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   536
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   537
  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   538
    TOOLCHAIN_CFLAGS_JDK="-qchars=signed -qfullpath -qsaveopt"  # add on both CFLAGS
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   539
    TOOLCHAIN_CFLAGS_JVM="-qtune=balanced \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   540
        -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   541
        -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   542
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   543
    TOOLCHAIN_CFLAGS_JVM="-nologo -MD -MP"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   544
    TOOLCHAIN_CFLAGS_JDK="-nologo -MD -Zc:wchar_t-"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   545
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   546
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   547
  # CFLAGS WARNINGS STUFF
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   548
  # Set JVM_CFLAGS warning handling
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   549
  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   550
    # COMMON to gcc and clang
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   551
    WARNING_CFLAGS_JVM="-Wpointer-arith -Wsign-compare -Wunused-function"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   552
    if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   553
      # Non-zero builds have stricter warnings
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   554
      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wundef -Wformat=2"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   555
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   556
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   557
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   558
  if test "x$TOOLCHAIN_TYPE" = xgcc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   559
    WARNING_CFLAGS_JDK="-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2"
51335
3965b3332610 8208672: Enable -Wreorder in make files for gcc, clang
tschatzl
parents: 51095
diff changeset
   560
    WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wunused-value -Woverloaded-virtual -Wreorder"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   561
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   562
    if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   563
      # Non-zero builds have stricter warnings
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   564
      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wreturn-type"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   565
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   566
  elif test "x$TOOLCHAIN_TYPE" = xclang; then
51335
3965b3332610 8208672: Enable -Wreorder in make files for gcc, clang
tschatzl
parents: 51095
diff changeset
   567
    WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wno-deprecated -Wreorder"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   568
    if test "x$OPENJDK_TARGET_OS" = xlinux; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   569
      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wno-sometimes-uninitialized"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   570
      WARNING_CFLAGS_JDK="-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   571
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   572
  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   573
    WARNING_CFLAGS_JDK_CONLY="-errshort=tags"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   574
    WARNING_CFLAGS_JDK_CXXONLY="+w"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   575
    WARNING_CFLAGS_JDK="-errtags=yes -errfmt"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   576
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   577
    WARNING_CFLAGS="-W3"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   578
    WARNING_CFLAGS_JDK="-wd4800"
50678
818a23db260c 8205407: [windows, vs<2017] C4800 after 8203197
stuefe
parents: 50645
diff changeset
   579
    WARNING_CFLAGS_JVM="-wd4800"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   580
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   581
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   582
  # Set some additional per-OS defines.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   583
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   584
  # Additional macosx handling
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   585
  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   586
    OS_CFLAGS="-DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   587
        -mmacosx-version-min=$MACOSX_VERSION_MIN"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   588
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   589
    if test -n "$MACOSX_VERSION_MAX"; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   590
        OS_CFLAGS="$OS_CFLAGS \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   591
            -DMAC_OS_X_VERSION_MAX_ALLOWED=$MACOSX_VERSION_MAX_NODOTS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   592
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   593
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   594
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   595
  # Where does this really belong??
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   596
  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   597
    PICFLAG="-fPIC"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   598
  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   599
    PICFLAG="-KPIC"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   600
  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   601
    # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   602
    # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   603
    # will have to patch this single instruction with a call to some out-of-order code which
50550
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   604
    # does the load from the TOC. This is of course slower, and we also would have
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   605
    # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   606
    # With 'qpic=large' the compiler will by default generate a two-instruction sequence which
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   607
    # can be patched directly by the linker and does not require a jump to out-of-order code.
50550
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   608
    #
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   609
    # Since large TOC causes perf. overhead, only pay it where we must. Currently this is
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   610
    # for all libjvm variants (both gtest and normal) but no other binaries. So, build
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   611
    # libjvm with -qpic=large and link with -bbigtoc.
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   612
    JVM_PICFLAG="-qpic=large"
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   613
    JDK_PICFLAG="-qpic"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   614
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   615
    PICFLAG=""
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   616
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   617
50550
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   618
  if test "x$TOOLCHAIN_TYPE" != xxlc; then
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   619
    JVM_PICFLAG="$PICFLAG"
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   620
    JDK_PICFLAG="$PICFLAG"
41ff671ed8cf 8204935: [aix] TOC overflow in libjvm.so (release build)
stuefe
parents: 49907
diff changeset
   621
  fi
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   622
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   623
  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   624
    # Linking is different on MacOSX
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   625
    JDK_PICFLAG=''
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   626
    if test "x$STATIC_BUILD" = xtrue; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   627
      JVM_PICFLAG=""
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   628
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   629
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   630
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   631
  # Optional POSIX functionality needed by the JVM
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   632
  #
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   633
  # Check if clock_gettime is available and in which library. This indicates
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   634
  # availability of CLOCK_MONOTONIC for hotspot. But we don't need to link, so
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   635
  # don't let it update LIBS.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   636
  save_LIBS="$LIBS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   637
  AC_SEARCH_LIBS(clock_gettime, rt, [HAS_CLOCK_GETTIME=true], [])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   638
  if test "x$LIBS" = "x-lrt "; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   639
    CLOCK_GETTIME_IN_LIBRT=true
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   640
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   641
  LIBS="$save_LIBS"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   642
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   643
  if test "x$HAS_CLOCK_GETTIME" = "xtrue"; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   644
    OS_CFLAGS_JVM="$OS_CFLAGS_JVM -DSUPPORTS_CLOCK_MONOTONIC"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   645
    if test "x$CLOCK_GETTIME_IN_LIBRT" = "xtrue"; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   646
      OS_CFLAGS_JVM="$OS_CFLAGS_JVM -DNEEDS_LIBRT"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   647
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   648
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   649
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   650
  # EXPORT
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   651
  AC_SUBST(ADLC_CXXFLAG)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   652
])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   653
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   654
################################################################################
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   655
# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   656
#      conditionals against.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   657
# $2 - Optional prefix for each variable defined.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   658
AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   659
[
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   660
  #### CPU DEFINES, these should (in theory) be independent on toolchain
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   661
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   662
  # Setup target CPU
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   663
  # Setup endianness
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   664
  if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   665
    $1_DEFINES_CPU_JVM="-DVM_LITTLE_ENDIAN"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   666
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   667
  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   668
    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   669
    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   670
    if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   671
      $1_DEFINES_CPU_JDK="-D_LITTLE_ENDIAN="
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   672
    else
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   673
      $1_DEFINES_CPU_JDK="-D_BIG_ENDIAN="
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   674
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   675
  else
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   676
    if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   677
      $1_DEFINES_CPU_JDK="-D_LITTLE_ENDIAN"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   678
    else
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   679
      $1_DEFINES_CPU_JDK="-D_BIG_ENDIAN"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   680
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   681
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   682
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   683
  # setup CPU bit size
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   684
  $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -DARCH='\"$FLAGS_CPU_LEGACY\"' \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   685
      -D$FLAGS_CPU_LEGACY"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   686
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   687
  if test "x$FLAGS_CPU_BITS" = x64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   688
    # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   689
    # unpack200.exe.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   690
    if test "x$FLAGS_OS" = xlinux || test "x$FLAGS_OS" = xmacosx; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   691
      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_LP64=1"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   692
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   693
    if test "x$FLAGS_OS" != xsolaris && test "x$FLAGS_OS" != xaix; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   694
      # Solaris does not have _LP64=1 in the old build.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   695
      # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   696
      $1_DEFINES_CPU_JVM="${$1_DEFINES_CPU_JVM} -D_LP64=1"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   697
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   698
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   699
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   700
  # toolchain dependend, per-cpu
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   701
  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   702
    if test "x$FLAGS_CPU_ARCH" = xx86; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   703
      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -DcpuIntel -Di586 -D$FLAGS_CPU_LEGACY_LIB"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   704
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   705
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   706
    if test "x$FLAGS_CPU" = xx86_64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   707
      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_AMD64_ -Damd64"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   708
    else
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   709
      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_X86_ -Dx86"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   710
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   711
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   712
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   713
  # CFLAGS PER CPU
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   714
  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   715
    # COMMON to gcc and clang
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   716
    if test "x$FLAGS_CPU" = xx86; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   717
      # Force compatibility with i586 on 32 bit intel platforms.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   718
      $1_CFLAGS_CPU="-march=i586"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   719
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   720
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   721
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   722
  if test "x$TOOLCHAIN_TYPE" = xgcc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   723
    if test "x$FLAGS_CPU" = xarm; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   724
      # -Wno-psabi to get rid of annoying "note: the mangling of 'va_list' has changed in GCC 4.4"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   725
      $1_CFLAGS_CPU="-fsigned-char -Wno-psabi $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS -DJDK_ARCH_ABI_PROP_NAME='\"\$(JDK_ARCH_ABI_PROP_NAME)\"'"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   726
      $1_CFLAGS_CPU_JVM="-DARM"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   727
    elif test "x$FLAGS_CPU" = xaarch64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   728
      if test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   729
        $1_CFLAGS_CPU_JVM="-fsigned-char -DARM"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   730
      fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   731
    elif test "x$FLAGS_CPU_ARCH" = xppc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   732
      $1_CFLAGS_CPU_JVM="-minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   733
      if test "x$FLAGS_CPU" = xppc64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   734
        # -mminimal-toc fixes `relocation truncated to fit' error for gcc 4.1.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   735
        # Use ppc64 instructions, but schedule for power5
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   736
        $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -mminimal-toc -mcpu=powerpc64 -mtune=power5"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   737
      elif test "x$FLAGS_CPU" = xppc64le; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   738
        # Little endian machine uses ELFv2 ABI.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   739
        # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   740
        $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=power8 -mtune=power8"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   741
      fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   742
    elif test "x$FLAGS_CPU" = xs390x; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   743
      $1_CFLAGS_CPU="-mbackchain -march=z10"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   744
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   745
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   746
    if test "x$FLAGS_CPU_ARCH" != xarm &&  test "x$FLAGS_CPU_ARCH" != xppc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   747
      # for all archs except arm and ppc, prevent gcc to omit frame pointer
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   748
      $1_CFLAGS_CPU_JDK="${$1_CFLAGS_CPU_JDK} -fno-omit-frame-pointer"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   749
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   750
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   751
  elif test "x$TOOLCHAIN_TYPE" = xclang; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   752
    if test "x$FLAGS_OS" = xlinux; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   753
      # ppc test not really needed for clang
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   754
      if test "x$FLAGS_CPU_ARCH" != xarm &&  test "x$FLAGS_CPU_ARCH" != xppc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   755
        # for all archs except arm and ppc, prevent gcc to omit frame pointer
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   756
        $1_CFLAGS_CPU_JDK="${$1_CFLAGS_CPU_JDK} -fno-omit-frame-pointer"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   757
      fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   758
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   759
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   760
  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   761
    if test "x$FLAGS_CPU" = xx86_64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   762
      # NOTE: -xregs=no%frameptr is supposed to be default on x64
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   763
      $1_CFLAGS_CPU_JDK="-xregs=no%frameptr"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   764
    elif test "x$FLAGS_CPU" = xsparcv9; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   765
      $1_CFLAGS_CPU_JVM="-xarch=sparc"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   766
      $1_CFLAGS_CPU_JDK_LIBONLY="-xregs=no%appl"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   767
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   768
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   769
  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   770
    if test "x$FLAGS_CPU" = xppc64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   771
      $1_CFLAGS_CPU_JVM="-qarch=ppc64"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   772
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   773
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   774
  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   775
    if test "x$FLAGS_CPU" = xx86; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   776
      $1_CFLAGS_CPU_JVM="-arch:IA32"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   777
    elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   778
      if test "x$DEBUG_LEVEL" != xrelease; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   779
        # NOTE: This is probably redundant; -homeparams is default on
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   780
        # non-release builds.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   781
        $1_CFLAGS_CPU_JVM="-homeparams"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   782
      fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   783
    fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   784
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   785
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   786
  if test "x$TOOLCHAIN_TYPE" = xgcc; then
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   787
    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($1))
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   788
    $1_TOOLCHAIN_CFLAGS="${$1_GCC6_CFLAGS}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   789
49200
a19a6228cdb2 8199405: Bump lowest supported gcc to 4.8
ihse
parents: 49160
diff changeset
   790
    $1_WARNING_CFLAGS_JVM="-Wno-format-zero-length -Wtype-limits -Wuninitialized"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   791
  fi
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   792
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   793
  # EXPORT to API
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   794
  CFLAGS_JVM_COMMON="$ALWAYS_CFLAGS_JVM $ALWAYS_DEFINES_JVM $TOOLCHAIN_CFLAGS_JVM \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   795
      $OS_CFLAGS $OS_CFLAGS_JVM $CFLAGS_OS_DEF_JVM $DEBUG_CFLAGS_JVM \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   796
      $WARNING_CFLAGS $WARNING_CFLAGS_JVM $JVM_PICFLAG"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   797
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   798
  CFLAGS_JDK_COMMON="$ALWAYS_CFLAGS_JDK $ALWAYS_DEFINES_JDK $TOOLCHAIN_CFLAGS_JDK \
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   799
      $OS_CFLAGS $CFLAGS_OS_DEF_JDK $DEBUG_CFLAGS_JDK $DEBUG_OPTIONS_FLAGS_JDK \
49155
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   800
      $WARNING_CFLAGS $WARNING_CFLAGS_JDK $DEBUG_SYMBOLS_CFLAGS_JDK"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   801
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   802
  # Use ${$2EXTRA_CFLAGS} to block EXTRA_CFLAGS to be added to build flags.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   803
  # (Currently we don't have any OPENJDK_BUILD_EXTRA_CFLAGS, but that might
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   804
  # change in the future.)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   805
49155
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   806
  CFLAGS_JDK_COMMON_CONLY="$TOOLCHAIN_CFLAGS_JDK_CONLY  \
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   807
      $WARNING_CFLAGS_JDK_CONLY ${$2EXTRA_CFLAGS}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   808
  CFLAGS_JDK_COMMON_CXXONLY="$ALWAYS_DEFINES_JDK_CXXONLY $TOOLCHAIN_CFLAGS_JDK_CXXONLY \
49155
7cd937277d5e 8199338: Use -g0 on solstudio also for compiling C programs
ihse
parents: 49120
diff changeset
   809
      $WARNING_CFLAGS_JDK_CXXONLY ${$2EXTRA_CXXFLAGS}"
49120
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   810
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   811
  $1_CFLAGS_JVM="${$1_DEFINES_CPU_JVM} ${$1_CFLAGS_CPU} ${$1_CFLAGS_CPU_JVM} ${$1_TOOLCHAIN_CFLAGS} ${$1_WARNING_CFLAGS_JVM}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   812
  $1_CFLAGS_JDK="${$1_DEFINES_CPU_JDK} ${$1_CFLAGS_CPU} ${$1_CFLAGS_CPU_JDK} ${$1_TOOLCHAIN_CFLAGS}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   813
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   814
  $2JVM_CFLAGS="$CFLAGS_JVM_COMMON ${$1_CFLAGS_JVM} ${$2EXTRA_CXXFLAGS}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   815
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   816
  $2CFLAGS_JDKEXE="$CFLAGS_JDK_COMMON $CFLAGS_JDK_COMMON_CONLY ${$1_CFLAGS_JDK}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   817
  $2CXXFLAGS_JDKEXE="$CFLAGS_JDK_COMMON $CFLAGS_JDK_COMMON_CXXONLY ${$1_CFLAGS_JDK}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   818
  $2CFLAGS_JDKLIB="${$2CFLAGS_JDKEXE} $JDK_PICFLAG ${$1_CFLAGS_CPU_JDK_LIBONLY}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   819
  $2CXXFLAGS_JDKLIB="${$2CXXFLAGS_JDKEXE} $JDK_PICFLAG ${$1_CFLAGS_CPU_JDK_LIBONLY}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   820
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   821
  AC_SUBST($2JVM_CFLAGS)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   822
  AC_SUBST($2CFLAGS_JDKLIB)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   823
  AC_SUBST($2CFLAGS_JDKEXE)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   824
  AC_SUBST($2CXXFLAGS_JDKLIB)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   825
  AC_SUBST($2CXXFLAGS_JDKEXE)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   826
])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   827
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   828
# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   829
# Arguments:
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   830
# $1 - Prefix for each variable defined.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   831
AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   832
[
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   833
  # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   834
  # runs afoul of the more aggressive versions of these optimisations.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   835
  # Notably, value range propagation now assumes that the this pointer of C++
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   836
  # member functions is non-null.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   837
  NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   838
  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   839
  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   840
  dnl					     IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   841
  NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   842
  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   843
  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   844
  dnl					     IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   845
  AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   846
  $1_GCC6_CFLAGS="${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   847
])
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   848
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   849
# Documentation on common flags used for solstudio in HIGHEST.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   850
#
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   851
# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   852
#          done with care, there are some assumptions below that need to
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   853
#          be understood about the use of pointers, and IEEE behavior.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   854
#
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   855
# -fns: Use non-standard floating point mode (not IEEE 754)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   856
# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   857
# -fsingle: Use single precision floating point with 'float'
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   858
# -xalias_level=basic: Assume memory references via basic pointer types do not alias
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   859
#   (Source with excessing pointer casting and data access with mixed
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   860
#    pointer types are not recommended)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   861
# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   862
#   (If you expect perfect errno behavior, do not use this)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   863
# -xdepend: Loop data dependency optimizations (need -xO3 or higher)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   864
# -xrestrict: Pointer parameters to functions do not overlap
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   865
#   (Similar to -xalias_level=basic usage, but less obvious sometimes.
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   866
#    If you pass in multiple pointers to the same data, do not use this)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   867
# -xlibmil: Inline some library routines
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   868
#   (If you expect perfect errno behavior, do not use this)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   869
# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   870
#   (If you expect perfect errno behavior, do not use this)
c04d813140dc 8198724: Refactor FLAGS handling in configure
ihse
parents:
diff changeset
   871
#  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now