#
# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# 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.
#
AC_DEFUN_ONCE([LIB_SETUP_INIT],
[
###############################################################################
#
# OS specific settings that we never will need to probe.
#
if test "x$OPENJDK_TARGET_OS" = xlinux; then
AC_MSG_CHECKING([what is not needed on Linux?])
PULSE_NOT_NEEDED=yes
AC_MSG_RESULT([pulse])
fi
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
AC_MSG_CHECKING([what is not needed on Solaris?])
ALSA_NOT_NEEDED=yes
PULSE_NOT_NEEDED=yes
AC_MSG_RESULT([alsa pulse])
fi
if test "x$OPENJDK_TARGET_OS" = xwindows; then
AC_MSG_CHECKING([what is not needed on Windows?])
CUPS_NOT_NEEDED=yes
ALSA_NOT_NEEDED=yes
PULSE_NOT_NEEDED=yes
X11_NOT_NEEDED=yes
AC_MSG_RESULT([alsa cups pulse x11])
fi
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
AC_MSG_CHECKING([what is not needed on MacOSX?])
ALSA_NOT_NEEDED=yes
PULSE_NOT_NEEDED=yes
X11_NOT_NEEDED=yes
FREETYPE2_NOT_NEEDED=yes
# If the java runtime framework is disabled, then we need X11.
# This will be adjusted below.
AC_MSG_RESULT([alsa pulse x11])
fi
if test "x$OPENJDK_TARGET_OS" = xbsd; then
AC_MSG_CHECKING([what is not needed on bsd?])
ALSA_NOT_NEEDED=yes
AC_MSG_RESULT([alsa])
fi
if test "x$OPENJDK" = "xfalse"; then
FREETYPE2_NOT_NEEDED=yes
fi
if test "x$SUPPORT_HEADFUL" = xno; then
X11_NOT_NEEDED=yes
fi
###############################################################################
#
# Check for MacOSX support for OpenJDK. If this exists, try to build a JVM
# that uses this API.
#
AC_ARG_ENABLE([macosx-runtime-support], [AS_HELP_STRING([--disable-macosx-runtime-support],
[disable the use of MacOSX Java runtime support framework @<:@enabled@:>@])],
[MACOSX_RUNTIME_SUPPORT="${enableval}"],[MACOSX_RUNTIME_SUPPORT="no"])
USE_MACOSX_RUNTIME_SUPPORT=no
AC_MSG_CHECKING([for explicit Java runtime support in the OS])
if test -f /System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/Headers/JavaRuntimeSupport.h; then
if test "x$MACOSX_RUNTIME_SUPPORT" != xno; then
MACOSX_RUNTIME_SUPPORT=yes
USE_MACOSX_RUNTIME_SUPPORT=yes
AC_MSG_RESULT([yes, does not need alsa freetype2 pulse and X11])
else
AC_MSG_RESULT([yes, but explicitly disabled.])
fi
else
AC_MSG_RESULT([no])
fi
if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$USE_MACOSX_RUNTIME_SUPPORT" = xno; then
AC_MSG_CHECKING([what is not needed on an X11 build on MacOSX?])
X11_NOT_NEEDED=
FREETYPE2_NOT_NEEDED=
AC_MSG_RESULT([alsa pulse])
fi
])
AC_DEFUN_ONCE([LIB_SETUP_X11],
[
###############################################################################
#
# Check for X Windows
#
# Check if the user has specified sysroot, but not --x-includes or --x-libraries.
# Make a simple check for the libraries at the sysroot, and setup --x-includes and
# --x-libraries for the sysroot, if that seems to be correct.
if test "x$SYS_ROOT" != "x/"; then
if test "x$x_includes" = xNONE; then
if test -f "$SYS_ROOT/usr/X11R6/include/X11/Xlib.h"; then
x_includes="$SYS_ROOT/usr/X11R6/include"
fi
fi
if test "x$x_libraries" = xNONE; then
if test -f "$SYS_ROOT/usr/X11R6/lib/libX11.so"; then
x_libraries="$SYS_ROOT/usr/X11R6/lib"
fi
fi
fi
# Now let autoconf do it's magic
AC_PATH_X
AC_PATH_XTRA
# AC_PATH_XTRA creates X_LIBS and sometimes adds -R flags. When cross compiling
# this doesn't make sense so we remove it.
if test "x$COMPILE_TYPE" = xcross; then
X_LIBS=`$ECHO $X_LIBS | $SED 's/-R \{0,1\}[[^ ]]*//g'`
fi
if test "x$no_x" = xyes && test "x$X11_NOT_NEEDED" != xyes; then
HELP_MSG_MISSING_DEPENDENCY([x11])
AC_MSG_ERROR([Could not find X11 libraries. $HELP_MSG])
fi
# Some of the old makefiles require a setting of OPENWIN_HOME
# Since the X11R6 directory has disappeared on later Linuxes,
# we need to probe for it.
if test "x$OPENJDK_TARGET_OS" = xlinux; then
if test -d "$SYS_ROOT/usr/X11R6"; then
OPENWIN_HOME="$SYS_ROOT/usr/X11R6"
fi
if test -d "$SYS_ROOT/usr/include/X11"; then
OPENWIN_HOME="$SYS_ROOT/usr"
fi
fi
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
OPENWIN_HOME="/usr/openwin"
fi
AC_SUBST(OPENWIN_HOME)
#
# Weird Sol10 something check...TODO change to try compile
#
if test "x${OPENJDK_TARGET_OS}" = xsolaris; then
if test "`uname -r`" = "5.10"; then
if test "`${EGREP} -c XLinearGradient ${OPENWIN_HOME}/share/include/X11/extensions/Xrender.h`" = "0"; then
X_CFLAGS="${X_CFLAGS} -DSOLARIS10_NO_XRENDER_STRUCTS"
fi
fi
fi
AC_LANG_PUSH(C)
OLD_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $X_CFLAGS"
# Need to include Xlib.h and Xutil.h to avoid "present but cannot be compiled" warnings on Solaris 10
AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h],
[X11_A_OK=yes],
[X11_A_OK=no],
[ # include <X11/Xlib.h>
# include <X11/Xutil.h>
])
CFLAGS="$OLD_CFLAGS"
AC_LANG_POP(C)
if test "x$X11_A_OK" = xno && test "x$X11_NOT_NEEDED" != xyes; then
HELP_MSG_MISSING_DEPENDENCY([x11])
AC_MSG_ERROR([Could not find all X11 headers (shape.h Xrender.h XTest.h). $HELP_MSG])
fi
AC_SUBST(X_CFLAGS)
AC_SUBST(X_LIBS)
])
AC_DEFUN_ONCE([LIB_SETUP_CUPS],
[
###############################################################################
#
# The common unix printing system cups is used to print from java.
#
AC_ARG_WITH(cups, [AS_HELP_STRING([--with-cups],
[specify prefix directory for the cups package
(expecting the headers under PATH/include)])])
AC_ARG_WITH(cups-include, [AS_HELP_STRING([--with-cups-include],
[specify directory for the cups include files])])
if test "x$CUPS_NOT_NEEDED" = xyes; then
if test "x${with_cups}" != x || test "x${with_cups_include}" != x; then
AC_MSG_WARN([cups not used, so --with-cups is ignored])
fi
CUPS_CFLAGS=
else
CUPS_FOUND=no
if test "x${with_cups}" = xno || test "x${with_cups_include}" = xno; then
AC_MSG_ERROR([It is not possible to disable the use of cups. Remove the --without-cups option.])
fi
if test "x${with_cups}" != x; then
CUPS_CFLAGS="-I${with_cups}/include"
CUPS_FOUND=yes
fi
if test "x${with_cups_include}" != x; then
CUPS_CFLAGS="-I${with_cups_include}"
CUPS_FOUND=yes
fi
if test "x$CUPS_FOUND" = xno; then
BDEPS_CHECK_MODULE(CUPS, cups, xxx, [CUPS_FOUND=yes])
fi
if test "x$CUPS_FOUND" = xno; then
# Are the cups headers installed in the default /usr/include location?
AC_CHECK_HEADERS([cups/cups.h cups/ppd.h],
[CUPS_FOUND=yes
CUPS_CFLAGS=
DEFAULT_CUPS=yes])
fi
if test "x$CUPS_FOUND" = xno; then
# Getting nervous now? Lets poke around for standard Solaris third-party
# package installation locations.
AC_MSG_CHECKING([for cups headers])
if test -s /opt/sfw/cups/include/cups/cups.h; then
# An SFW package seems to be installed!
CUPS_FOUND=yes
CUPS_CFLAGS="-I/opt/sfw/cups/include"
elif test -s /opt/csw/include/cups/cups.h; then
# A CSW package seems to be installed!
CUPS_FOUND=yes
CUPS_CFLAGS="-I/opt/csw/include"
fi
AC_MSG_RESULT([$CUPS_FOUND])
fi
if test "x$CUPS_FOUND" = xno; then
HELP_MSG_MISSING_DEPENDENCY([cups])
AC_MSG_ERROR([Could not find cups! $HELP_MSG ])
fi
fi
AC_SUBST(CUPS_CFLAGS)
])
AC_DEFUN_ONCE([LIB_SETUP_FREETYPE],
[
###############################################################################
#
# The ubiquitous freetype2 library is used to render fonts.
#
AC_ARG_WITH(freetype, [AS_HELP_STRING([--with-freetype],
[specify prefix directory for the freetype2 package
(expecting the libraries under PATH/lib and the headers under PATH/include)])])
# If we are using the OS installed system lib for freetype, then we do not need to copy it to the build tree
USING_SYSTEM_FT_LIB=false
if test "x$FREETYPE2_NOT_NEEDED" = xyes; then
if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then
AC_MSG_WARN([freetype not used, so --with-freetype is ignored])
fi
FREETYPE2_CFLAGS=
FREETYPE2_LIBS=
FREETYPE2_LIB_PATH=
else
FREETYPE2_FOUND=no
if test "x$with_freetype" != x; then
BASIC_FIXUP_PATH(with_freetype)
FREETYPE2_LIBS="-L$with_freetype/lib -lfreetype"
FREETYPE2_LIB_PATH="$with_freetype/lib"
if test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64 && test -d "$with_freetype/lib/amd64"; then
FREETYPE2_LIBS="-L$with_freetype/lib/amd64 -lfreetype"
FREETYPE2_LIB_PATH="$with_freetype/lib/amd64"
fi
if test "x$OPENJDK_TARGET_OS" = xwindows; then
FREETYPE2_LIBS="$with_freetype/lib/freetype.lib"
fi
FREETYPE2_CFLAGS="-I$with_freetype/include"
if test -s $with_freetype/include/ft2build.h && test -d $with_freetype/include/freetype2/freetype; then
FREETYPE2_CFLAGS="-I$with_freetype/include/freetype2 -I$with_freetype/include"
fi
FREETYPE2_FOUND=yes
if test "x$FREETYPE2_FOUND" = xyes; then
# Verify that the directories exist
if ! test -d "$with_freetype/lib" || ! test -d "$with_freetype/include"; then
AC_MSG_ERROR([Could not find the expected directories $with_freetype/lib and $with_freetype/include])
fi
# List the contents of the lib.
FREETYPELIB=`ls $with_freetype/lib/libfreetype.so $with_freetype/lib/freetype.dll 2> /dev/null`
if test "x$FREETYPELIB" = x; then
AC_MSG_ERROR([Could not find libfreetype.so nor freetype.dll in $with_freetype/lib])
fi
# Check one h-file
if ! test -s "$with_freetype/include/ft2build.h"; then
AC_MSG_ERROR([Could not find $with_freetype/include/ft2build.h])
fi
fi
fi
if test "x$FREETYPE2_FOUND" = xno; then
BDEPS_CHECK_MODULE(FREETYPE2, freetype2, xxx, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])
USING_SYSTEM_FT_LIB=true
fi
if test "x$FREETYPE2_FOUND" = xno && test "x$OPENJDK_TARGET_OS" = xwindows; then
FREETYPELOCATION="$PROGRAMFILES/GnuWin32"
BASIC_FIXUP_PATH(FREETYPELOCATION)
AC_MSG_CHECKING([for freetype in some standard windows locations])
if test -s "$FREETYPELOCATION/include/ft2build.h" && test -d "$FREETYPELOCATION/include/freetype2/freetype"; then
FREETYPE2_CFLAGS="-I$FREETYPELOCATION/include/freetype2 -I$FREETYPELOCATION/include"
FREETYPE2_LIBS="$FREETYPELOCATION/lib/freetype.lib"
FREETYPE2_LIB_PATH="$FREETYPELOCATION/lib"
if ! test -s "$FREETYPE2_LIBS"; then
AC_MSG_ERROR([Could not find $FREETYPE2_LIBS])
fi
if ! test -s "$FREETYPE2_LIB_PATH/freetype.dll"; then
AC_MSG_ERROR([Could not find $FREETYPE2_LIB_PATH/freetype.dll])
fi
USING_SYSTEM_FT_LIB=true
FREETYPE2_FOUND=yes
fi
AC_MSG_RESULT([$FREETYPE2_FOUND])
fi
if test "x$FREETYPE2_FOUND" = xno; then
PKG_CHECK_MODULES(FREETYPE2, freetype2, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])
# On solaris, pkg_check adds -lz to freetype libs, which isn't necessary for us.
FREETYPE2_LIBS=`$ECHO $FREETYPE2_LIBS | $SED 's/-lz//g'`
USING_SYSTEM_FT_LIB=true
# 64-bit libs for Solaris x86 are installed in the amd64 subdirectory, change lib to lib/amd64
if test "x$FREETYPE2_FOUND" = xyes && test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64; then
FREETYPE2_LIBS=`$ECHO $FREETYPE2_LIBS | $SED 's?/lib?/lib/amd64?g'`
fi
fi
if test "x$FREETYPE2_FOUND" = xno; then
AC_MSG_CHECKING([for freetype in some standard locations])
if test -s /usr/X11/include/ft2build.h && test -d /usr/X11/include/freetype2/freetype; then
DEFAULT_FREETYPE_CFLAGS="-I/usr/X11/include/freetype2 -I/usr/X11/include"
DEFAULT_FREETYPE_LIBS="-L/usr/X11/lib -lfreetype"
fi
if test -s /usr/include/ft2build.h && test -d /usr/include/freetype2/freetype; then
DEFAULT_FREETYPE_CFLAGS="-I/usr/include/freetype2"
DEFAULT_FREETYPE_LIBS="-lfreetype"
fi
PREV_CXXCFLAGS="$CXXFLAGS"
PREV_LDFLAGS="$LDFLAGS"
CXXFLAGS="$CXXFLAGS $DEFAULT_FREETYPE_CFLAGS"
LDFLAGS="$LDFLAGS $DEFAULT_FREETYPE_LIBS"
AC_LINK_IFELSE([AC_LANG_SOURCE([[#include<ft2build.h>
#include FT_FREETYPE_H
int main() { return 0; }
]])],
[
# Yes, the default cflags and libs did the trick.
FREETYPE2_FOUND=yes
FREETYPE2_CFLAGS="$DEFAULT_FREETYPE_CFLAGS"
FREETYPE2_LIBS="$DEFAULT_FREETYPE_LIBS"
],
[
FREETYPE2_FOUND=no
])
CXXCFLAGS="$PREV_CXXFLAGS"
LDFLAGS="$PREV_LDFLAGS"
AC_MSG_RESULT([$FREETYPE2_FOUND])
USING_SYSTEM_FT_LIB=true
fi
if test "x$FREETYPE2_FOUND" = xno; then
HELP_MSG_MISSING_DEPENDENCY([freetype2])
AC_MSG_ERROR([Could not find freetype2! $HELP_MSG ])
fi
if test "x$OPENJDK_TARGET_OS" != xwindows; then
# AC_CHECK_LIB does not support use of cl.exe
PREV_LDFLAGS="$LDFLAGS"
LDFLAGS="$FREETYPE2_LIBS"
AC_CHECK_LIB(freetype, FT_Init_FreeType,
FREETYPE2_FOUND=true,
AC_MSG_ERROR([Could not find freetype2! $HELP_MSG ]))
LDFLAGS="$PREV_LDFLAGS"
fi
fi
AC_SUBST(USING_SYSTEM_FT_LIB)
AC_SUBST(FREETYPE2_LIB_PATH)
AC_SUBST(FREETYPE2_CFLAGS)
AC_SUBST(FREETYPE2_LIBS)
])
AC_DEFUN_ONCE([LIB_SETUP_ALSA],
[
###############################################################################
#
# Check for alsa headers and libraries. Used on Linux/GNU systems.
#
AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],
[specify prefix directory for the alsa package
(expecting the libraries under PATH/lib and the headers under PATH/include)])])
AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include],
[specify directory for the alsa include files])])
AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib],
[specify directory for the alsa library])])
if test "x$ALSA_NOT_NEEDED" = xyes; then
if test "x${with_alsa}" != x || test "x${with_alsa_include}" != x || test "x${with_alsa_lib}" != x; then
AC_MSG_WARN([alsa not used, so --with-alsa is ignored])
fi
ALSA_CFLAGS=
ALSA_LIBS=
else
ALSA_FOUND=no
if test "x${with_alsa}" = xno || test "x${with_alsa_include}" = xno || test "x${with_alsa_lib}" = xno; then
AC_MSG_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.])
fi
if test "x${with_alsa}" != x; then
ALSA_LIBS="-L${with_alsa}/lib -lalsa"
ALSA_CFLAGS="-I${with_alsa}/include"
ALSA_FOUND=yes
fi
if test "x${with_alsa_include}" != x; then
ALSA_CFLAGS="-I${with_alsa_include}"
ALSA_FOUND=yes
fi
if test "x${with_alsa_lib}" != x; then
ALSA_LIBS="-L${with_alsa_lib} -lalsa"
ALSA_FOUND=yes
fi
if test "x$ALSA_FOUND" = xno; then
BDEPS_CHECK_MODULE(ALSA, alsa, xxx, [ALSA_FOUND=yes], [ALSA_FOUND=no])
fi
if test "x$ALSA_FOUND" = xno; then
PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])
fi
if test "x$ALSA_FOUND" = xno; then
AC_CHECK_HEADERS([alsa/asoundlib.h],
[ALSA_FOUND=yes
ALSA_CFLAGS=-Iignoreme
ALSA_LIBS=-lasound
DEFAULT_ALSA=yes],
[ALSA_FOUND=no])
fi
if test "x$ALSA_FOUND" = xno; then
HELP_MSG_MISSING_DEPENDENCY([alsa])
AC_MSG_ERROR([Could not find alsa! $HELP_MSG ])
fi
fi
AC_SUBST(ALSA_CFLAGS)
AC_SUBST(ALSA_LIBS)
])
AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
[
###############################################################################
#
# Check for the jpeg library
#
USE_EXTERNAL_LIBJPEG=true
AC_CHECK_LIB(jpeg, main, [],
[ USE_EXTERNAL_LIBJPEG=false
AC_MSG_NOTICE([Will use jpeg decoder bundled with the OpenJDK source])
])
AC_SUBST(USE_EXTERNAL_LIBJPEG)
###############################################################################
#
# Check for the gif library
#
USE_EXTERNAL_LIBJPEG=true
AC_CHECK_LIB(gif, main, [],
[ USE_EXTERNAL_LIBGIF=false
AC_MSG_NOTICE([Will use gif decoder bundled with the OpenJDK source])
])
AC_SUBST(USE_EXTERNAL_LIBGIF)
###############################################################################
#
# Check for the zlib library
#
AC_ARG_WITH(zlib, [AS_HELP_STRING([--with-zlib],
[use zlib from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])
AC_CHECK_LIB(z, compress,
[ ZLIB_FOUND=yes ],
[ ZLIB_FOUND=no ])
AC_MSG_CHECKING([for which zlib to use])
DEFAULT_ZLIB=bundled
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
#
# On macosx default is system...on others default is
#
DEFAULT_ZLIB=system
fi
if test "x${ZLIB_FOUND}" != "xyes"; then
#
# If we don't find any system...set default to bundled
#
DEFAULT_ZLIB=bundled
fi
#
# If user didn't specify, use DEFAULT_ZLIB
#
if test "x${with_zlib}" = "x"; then
with_zlib=${DEFAULT_ZLIB}
fi
if test "x${with_zlib}" = "xbundled"; then
USE_EXTERNAL_LIBZ=false
AC_MSG_RESULT([bundled])
elif test "x${with_zlib}" = "xsystem"; then
if test "x${ZLIB_FOUND}" = "xyes"; then
USE_EXTERNAL_LIBZ=true
AC_MSG_RESULT([system])
else
AC_MSG_RESULT([system not found])
AC_MSG_ERROR([--with-zlib=system specified, but no zlib found!])
fi
else
AC_MSG_ERROR([Invalid value for --with-zlib: ${with_zlib}, use 'system' or 'bundled'])
fi
AC_SUBST(USE_EXTERNAL_LIBZ)
###############################################################################
LIBZIP_CAN_USE_MMAP=true
AC_SUBST(LIBZIP_CAN_USE_MMAP)
###############################################################################
#
# Check if altzone exists in time.h
#
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>], [return (int)altzone;])],
[has_altzone=yes],
[has_altzone=no])
if test "x$has_altzone" = xyes; then
AC_DEFINE([HAVE_ALTZONE], 1, [Define if you have the external 'altzone' variable in time.h])
fi
###############################################################################
#
# Check the maths library
#
AC_CHECK_LIB(m, cos, [],
[
AC_MSG_NOTICE([Maths library was not found])
])
AC_SUBST(LIBM)
###############################################################################
#
# Check for libdl.so
save_LIBS="$LIBS"
LIBS=""
AC_CHECK_LIB(dl,dlopen)
LIBDL="$LIBS"
AC_SUBST(LIBDL)
LIBS="$save_LIBS"
])
AC_DEFUN_ONCE([LIB_SETUP_STATIC_LINK_LIBSTDCPP],
[
###############################################################################
#
# statically link libstdc++ before C++ ABI is stablized on Linux unless
# dynamic build is configured on command line.
#
AC_ARG_WITH([stdc++lib], [AS_HELP_STRING([--with-stdc++lib=<static>,<dynamic>,<default>],
[force linking of the C++ runtime on Linux to either static or dynamic, default is static with dynamic as fallback])],
[
if test "x$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$has_dynamic_libstdcxx" = xno; then
AC_MSG_ERROR([Dynamic linking of libstdc++ was not possible!])
fi
AC_MSG_CHECKING([how to link with libstdc++])
# If dynamic was requested, it's available since it would fail above otherwise.
# If dynamic wasn't requested, go with static unless it isn't available.
if test "x$with_stdc__lib" = xdynamic || test "x$has_static_libstdcxx" = xno; then
LIBCXX="$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$OPENJDK_TARGET_OS" = xsolaris && test "x$LIBCXX" = x; then
LIBCXX="/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
fi
# TODO better (platform agnostic) test
if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$LIBCXX" = x && test "x$GCC" = xyes; then
LIBCXX="-lstdc++"
fi
AC_SUBST(LIBCXX)
])