8145007: Pattern splitAsStream is not late binding as required by the specification
Reviewed-by: chegar, psandoz
Contributed-by: Tagir Valeev <amaembo@gmail.com>
#
# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
################################################################################
# Setup the standard C/C++ runtime libraries.
#
# Most importantly, determine if stdc++ should be linked statically or
# dynamically.
################################################################################
AC_DEFUN_ONCE([LIB_SETUP_STD_LIBS],
[
# statically link libstdc++ before C++ ABI is stablized on Linux unless
# dynamic build is configured on command line.
AC_ARG_WITH([stdc++lib], [AS_HELP_STRING([--with-stdc++lib=<static>,<dynamic>,<default>],
[force linking of the C++ runtime on Linux to either static or dynamic, default is static with dynamic as fallback])],
[
if test "x$with_stdc__lib" != xdynamic && test "x$with_stdc__lib" != xstatic \
&& test "x$with_stdc__lib" != xdefault; then
AC_MSG_ERROR([Bad parameter value --with-stdc++lib=$with_stdc__lib!])
fi
],
[with_stdc__lib=default]
)
if test "x$OPENJDK_TARGET_OS" = xlinux; then
# Test if -lstdc++ works.
AC_MSG_CHECKING([if dynamic link of stdc++ is possible])
AC_LANG_PUSH(C++)
OLD_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -lstdc++"
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[has_dynamic_libstdcxx=yes],
[has_dynamic_libstdcxx=no])
CXXFLAGS="$OLD_CXXFLAGS"
AC_LANG_POP(C++)
AC_MSG_RESULT([$has_dynamic_libstdcxx])
# Test if stdc++ can be linked statically.
AC_MSG_CHECKING([if static link of stdc++ is possible])
STATIC_STDCXX_FLAGS="-Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic"
AC_LANG_PUSH(C++)
OLD_LIBS="$LIBS"
OLD_CXX="$CXX"
LIBS="$STATIC_STDCXX_FLAGS"
CXX="$CC"
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[has_static_libstdcxx=yes],
[has_static_libstdcxx=no])
LIBS="$OLD_LIBS"
CXX="$OLD_CXX"
AC_LANG_POP(C++)
AC_MSG_RESULT([$has_static_libstdcxx])
if test "x$has_static_libstdcxx" = xno && test "x$has_dynamic_libstdcxx" = xno; then
AC_MSG_ERROR([Cannot link to stdc++, neither dynamically nor statically!])
fi
if test "x$with_stdc__lib" = xstatic && test "x$has_static_libstdcxx" = xno; then
AC_MSG_ERROR([Static linking of libstdc++ was not possible!])
fi
if test "x$with_stdc__lib" = xdynamic && test "x$has_dynamic_libstdcxx" = xno; then
AC_MSG_ERROR([Dynamic linking of libstdc++ was not possible!])
fi
# If dynamic was requested, it's available since it would fail above otherwise.
# If dynamic wasn't requested, go with static unless it isn't available.
AC_MSG_CHECKING([how to link with libstdc++])
if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno || test "x$JVM_VARIANT_ZEROSHARK" = xtrue; then
LIBCXX="$LIBCXX -lstdc++"
LDCXX="$CXX"
STATIC_CXX_SETTING="STATIC_CXX=false"
AC_MSG_RESULT([dynamic])
else
LIBCXX="$LIBCXX $STATIC_STDCXX_FLAGS"
LDCXX="$CC"
STATIC_CXX_SETTING="STATIC_CXX=true"
AC_MSG_RESULT([static])
fi
fi
AC_SUBST(STATIC_CXX_SETTING)
# libCrun is the c++ runtime-library with SunStudio (roughly the equivalent of gcc's libstdc++.so)
if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then
LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
fi
# TODO better (platform agnostic) test
if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$LIBCXX" = x && test "x$TOOLCHAIN_TYPE" = xgcc; then
LIBCXX="-lstdc++"
fi
AC_SUBST(LIBCXX)
# Setup Windows runtime dlls
if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
TOOLCHAIN_SETUP_VS_RUNTIME_DLLS
fi
])