Java example source code file (toolchain.m4)
The toolchain.m4 Java example source code#
# 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.
#
# $1 = compiler to test (CC or CXX)
# $2 = human readable name of compiler (C or C++)
AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
[
COMPILER=[$]$1
COMPILER_NAME=$2
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
# Make sure we use the Sun Studio compiler and not gcc on Solaris, which won't work
COMPILER_VERSION_TEST=`$COMPILER -V 2>&1 | $HEAD -n 1`
$ECHO $COMPILER_VERSION_TEST | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
if test $? -ne 0; then
GCC_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required Sun Studio compiler.])
AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_TEST" and with --version: "$GCC_VERSION_TEST"])
AC_MSG_ERROR([Sun Studio compiler is required. Try setting --with-tools-dir.])
else
COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/p"`
COMPILER_VENDOR="Sun Studio"
fi
elif test "x$OPENJDK_TARGET_OS" = xwindows; then
# First line typically looks something like:
# Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*Version \(@<:@1-9@:>@@<:@0-9.@:>@*\) .*/\1/p"`
COMPILER_VENDOR="Microsoft CL.EXE"
COMPILER_CPU_TEST=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* for \(.*\)$/\1/p"`
if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
if test "x$COMPILER_CPU_TEST" != "x80x86"; then
AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
fi
elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
if test "x$COMPILER_CPU_TEST" != "xx64"; then
AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
fi
fi
else
COMPILER_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
# Check that this is likely to be GCC.
$COMPILER --version 2>&1 | $GREP "Free Software Foundation" > /dev/null
if test $? -ne 0; then
AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required GCC compiler.])
AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_TEST"])
AC_MSG_ERROR([GCC compiler is required. Try setting --with-tools-dir.])
fi
# First line typically looks something like:
# gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/p"`
COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) @<:@1-9@:>@@<:@0-9.@:>@*/\1/p"`
fi
# This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
$1_VERSION="$COMPILER_VERSION"
# This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)
$1_VENDOR="$COMPILER_VENDOR"
AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
])
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
[
###############################################################################
#
# Configure the development tool paths and potential sysroot.
#
AC_LANG(C++)
# The option used to specify the target .o,.a or .so file.
# When compiling, how to specify the to be created object file.
CC_OUT_OPTION='-o$(SPACE)'
# When linking, how to specify the to be created executable.
EXE_OUT_OPTION='-o$(SPACE)'
# When linking, how to specify the to be created dynamically linkable library.
LD_OUT_OPTION='-o$(SPACE)'
# When archiving, how to specify the to be create static archive for object files.
AR_OUT_OPTION='rcs$(SPACE)'
AC_SUBST(CC_OUT_OPTION)
AC_SUBST(EXE_OUT_OPTION)
AC_SUBST(LD_OUT_OPTION)
AC_SUBST(AR_OUT_OPTION)
])
# $1 = compiler to test (CC or CXX)
# $2 = human readable name of compiler (C or C++)
# $3 = list of compiler names to search for
AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
[
COMPILER_NAME=$2
$1=
# If TOOLS_DIR is set, check for all compiler names in there first
# before checking the rest of the PATH.
if test -n "$TOOLS_DIR"; then
PATH_save="$PATH"
PATH="$TOOLS_DIR"
AC_PATH_PROGS(TOOLS_DIR_$1, $3)
$1=$TOOLS_DIR_$1
PATH="$PATH_save"
fi
# AC_PATH_PROGS can't be run multiple times with the same variable,
# so create a new name for this run.
if test "x[$]$1" = x; then
AC_PATH_PROGS(POTENTIAL_$1, $3)
$1=$POTENTIAL_$1
fi
if test "x[$]$1" = x; then
HELP_MSG_MISSING_DEPENDENCY([devkit])
AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
fi
BASIC_FIXUP_EXECUTABLE($1)
AC_MSG_CHECKING([resolved symbolic links for $1])
TEST_COMPILER="[$]$1"
BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
AC_MSG_RESULT([$TEST_COMPILER])
AC_MSG_CHECKING([if $1 is disguised ccache])
COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
if test "x$COMPILER_BASENAME" = "xccache"; then
AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
# We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
# We want to control ccache invocation ourselves, so ignore this cc and try
# searching again.
# Remove the path to the fake ccache cc from the PATH
RETRY_COMPILER_SAVED_PATH="$PATH"
COMPILER_DIRNAME=`$DIRNAME [$]$1`
PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
# Try again looking for our compiler
AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
PATH="$RETRY_COMPILER_SAVED_PATH"
AC_MSG_CHECKING([for resolved symbolic links for $1])
BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
AC_MSG_RESULT([$PROPER_COMPILER_$1])
$1="$PROPER_COMPILER_$1"
else
AC_MSG_RESULT([no, keeping $1])
$1="$TEST_COMPILER"
fi
TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
])
AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
[
if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
TOOLCHAIN_SETUP_MSVCR_DLL
BASIC_DEPRECATED_ARG_WITH([dxsdk])
BASIC_DEPRECATED_ARG_WITH([dxsdk-lib])
BASIC_DEPRECATED_ARG_WITH([dxsdk-include])
fi
AC_SUBST(MSVCR_DLL)
# If --build AND --host is set, then the configure script will find any
# cross compilation tools in the PATH. Cross compilation tools
# follows the cross compilation standard where they are prefixed with ${host}.
# For example the binary i686-sun-solaris2.10-gcc
# will cross compile for i686-sun-solaris2.10
# If neither of build and host is not set, then build=host and the
# default compiler found in the path will be used.
# Setting only --host, does not seem to be really supported.
# Please set both --build and --host if you want to cross compile.
if test "x$COMPILE_TYPE" = "xcross"; then
# Now we to find a C/C++ compiler that can build executables for the build
# platform. We can't use the AC_PROG_CC macro, since it can only be used
# once. Also, we need to do this before adding a tools dir to the path,
# otherwise we might pick up cross-compilers which don't use standard naming.
# Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
# to wait until they are properly discovered.
AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
BASIC_FIXUP_EXECUTABLE(BUILD_CC)
AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
AC_PATH_PROG(BUILD_LD, ld)
BASIC_FIXUP_EXECUTABLE(BUILD_LD)
fi
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CXX)
AC_SUBST(BUILD_LD)
# If a devkit is found on the builddeps server, then prepend its path to the
# PATH variable. If there are cross compilers available in the devkit, these
# will be found by AC_PROG_CC et al.
DEVKIT=
BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
[
# Found devkit
PATH="$DEVKIT/bin:$PATH"
SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
if test "x$x_includes" = "xNONE"; then
x_includes="$SYS_ROOT/usr/include/X11"
fi
if test "x$x_libraries" = "xNONE"; then
x_libraries="$SYS_ROOT/usr/lib"
fi
],
[])
# Store the CFLAGS etal passed to the configure script.
ORG_CFLAGS="$CFLAGS"
ORG_CXXFLAGS="$CXXFLAGS"
ORG_OBJCFLAGS="$OBJCFLAGS"
# autoconf magic only relies on PATH, so update it if tools dir is specified
OLD_PATH="$PATH"
if test "x$TOOLS_DIR" != x; then
PATH=$TOOLS_DIR:$PATH
fi
### Locate C compiler (CC)
# On windows, only cl.exe is supported.
# On Solaris, cc is preferred to gcc.
# Elsewhere, gcc is preferred to cc.
if test "x$CC" != x; then
COMPILER_CHECK_LIST="$CC"
elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
COMPILER_CHECK_LIST="cl"
elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
COMPILER_CHECK_LIST="cc gcc"
else
COMPILER_CHECK_LIST="gcc cc"
fi
TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
# Now that we have resolved CC ourself, let autoconf have its go at it
AC_PROG_CC([$CC])
### Locate C++ compiler (CXX)
if test "x$CXX" != x; then
COMPILER_CHECK_LIST="$CXX"
elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
COMPILER_CHECK_LIST="cl"
elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
COMPILER_CHECK_LIST="CC g++"
else
COMPILER_CHECK_LIST="g++ CC"
fi
TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
# Now that we have resolved CXX ourself, let autoconf have its go at it
AC_PROG_CXX([$CXX])
### Locate other tools
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
AC_PROG_OBJC
BASIC_FIXUP_EXECUTABLE(OBJC)
else
OBJC=
fi
# Restore the flags to the user specified values.
# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
CFLAGS="$ORG_CFLAGS"
CXXFLAGS="$ORG_CXXFLAGS"
OBJCFLAGS="$ORG_OBJCFLAGS"
LD="$CC"
LDEXE="$CC"
LDCXX="$CXX"
LDEXECXX="$CXX"
AC_SUBST(LD)
# LDEXE is the linker to use, when creating executables.
AC_SUBST(LDEXE)
# Linking C++ libraries.
AC_SUBST(LDCXX)
# Linking C++ executables.
AC_SUBST(LDEXECXX)
if test "x$OPENJDK_TARGET_OS" != xwindows; then
AC_CHECK_TOOL(AR, ar)
BASIC_FIXUP_EXECUTABLE(AR)
fi
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
ARFLAGS="-r"
else
ARFLAGS=""
fi
AC_SUBST(ARFLAGS)
# For hotspot, we need these in Windows mixed path; other platforms keep them the same
HOTSPOT_CXX="$CXX"
HOTSPOT_LD="$LD"
AC_SUBST(HOTSPOT_CXX)
AC_SUBST(HOTSPOT_LD)
COMPILER_NAME=gcc
COMPILER_TYPE=CC
AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
# For now, assume that we are always compiling using cl.exe.
CC_OUT_OPTION=-Fo
EXE_OUT_OPTION=-out:
LD_OUT_OPTION=-out:
AR_OUT_OPTION=-out:
# On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
# program for something completely different.
AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
# Since we must ignore the first found link, WINLD will contain
# the full path to the link.exe program.
BASIC_FIXUP_EXECUTABLE(WINLD)
printf "Windows linker was found at $WINLD\n"
AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
"$WINLD" --version > /dev/null
if test $? -eq 0 ; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
else
AC_MSG_RESULT([yes])
fi
LD="$WINLD"
LDEXE="$WINLD"
LDCXX="$WINLD"
LDEXECXX="$WINLD"
AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
BASIC_FIXUP_EXECUTABLE(MT)
# The resource compiler
AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
BASIC_FIXUP_EXECUTABLE(RC)
# For hotspot, we need these in Windows mixed path,
# so rewrite them all. Need added .exe suffix.
HOTSPOT_CXX="$CXX.exe"
HOTSPOT_LD="$LD.exe"
HOTSPOT_MT="$MT.exe"
HOTSPOT_RC="$RC.exe"
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
AC_SUBST(HOTSPOT_MT)
AC_SUBST(HOTSPOT_RC)
RC_FLAGS="-nologo -l 0x409 -r"
AS_IF([test "x$VARIANT" = xOPT], [
RC_FLAGS="$RC_FLAGS -d NDEBUG"
])
# The version variables used to create RC_FLAGS may be overridden
# in a custom configure script, or possibly the command line.
# Let those variables be expanded at make time in spec.gmk.
# The \$ are escaped to the shell, and the $(...) variables
# are evaluated by make.
RC_FLAGS="$RC_FLAGS \
-d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
-d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
-d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
-d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
-d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
-d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
-d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
# lib.exe is used to create static libraries.
AC_CHECK_PROG([WINAR], [lib],[lib],,,)
BASIC_FIXUP_EXECUTABLE(WINAR)
AR="$WINAR"
ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
BASIC_FIXUP_EXECUTABLE(DUMPBIN)
COMPILER_TYPE=CL
CCXXFLAGS="$CCXXFLAGS -nologo"
])
AC_SUBST(RC_FLAGS)
AC_SUBST(COMPILER_TYPE)
AC_PROG_CPP
BASIC_FIXUP_EXECUTABLE(CPP)
AC_PROG_CXXCPP
BASIC_FIXUP_EXECUTABLE(CXXCPP)
if test "x$COMPILE_TYPE" != "xcross"; then
# If we are not cross compiling, use the same compilers for
# building the build platform executables. The cross-compilation
# case needed to be done earlier, but this can only be done after
# the native tools have been localized.
BUILD_CC="$CC"
BUILD_CXX="$CXX"
BUILD_LD="$LD"
fi
# for solaris we really need solaris tools, and not gnu equivalent
# these seems to normally reside in /usr/ccs/bin so add that to path before
# starting to probe
#
# NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
# so that it can be overriden --with-tools-dir
if test "x$OPENJDK_BUILD_OS" = xsolaris; then
PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
fi
# Find the right assembler.
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
AC_PATH_PROG(AS, as)
BASIC_FIXUP_EXECUTABLE(AS)
else
AS="$CC -c"
fi
AC_SUBST(AS)
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
AC_PATH_PROG(NM, nm)
BASIC_FIXUP_EXECUTABLE(NM)
AC_PATH_PROG(GNM, gnm)
BASIC_FIXUP_EXECUTABLE(GNM)
AC_PATH_PROG(STRIP, strip)
BASIC_FIXUP_EXECUTABLE(STRIP)
AC_PATH_PROG(MCS, mcs)
BASIC_FIXUP_EXECUTABLE(MCS)
elif test "x$OPENJDK_TARGET_OS" != xwindows; then
AC_CHECK_TOOL(NM, nm)
BASIC_FIXUP_EXECUTABLE(NM)
GNM="$NM"
AC_SUBST(GNM)
AC_CHECK_TOOL(STRIP, strip)
BASIC_FIXUP_EXECUTABLE(STRIP)
fi
# objcopy is used for moving debug symbols to separate files when
# full debug symbols are enabled.
if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
# Only call fixup if objcopy was found.
if test -n "$OBJCOPY"; then
BASIC_FIXUP_EXECUTABLE(OBJCOPY)
fi
fi
AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
if test "x$OBJDUMP" != x; then
# Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
BASIC_FIXUP_EXECUTABLE(OBJDUMP)
fi
if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
AC_PATH_PROG(LIPO, lipo)
BASIC_FIXUP_EXECUTABLE(LIPO)
fi
TOOLCHAIN_SETUP_JTREG
# Restore old path without tools dir
PATH="$OLD_PATH"
])
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
[
###############################################################################
#
# How to compile shared libraries.
#
if test "x$GCC" = xyes; then
COMPILER_NAME=gcc
PICFLAG="-fPIC"
LIBRARY_PREFIX=lib
SHARED_LIBRARY='lib[$]1.so'
STATIC_LIBRARY='lib[$]1.a'
SHARED_LIBRARY_FLAGS="-shared"
SHARED_LIBRARY_SUFFIX='.so'
STATIC_LIBRARY_SUFFIX='.a'
OBJ_SUFFIX='.o'
EXE_SUFFIX=''
SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
C_FLAG_REORDER=''
CXX_FLAG_REORDER=''
SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
LD="$CC"
LDEXE="$CC"
LDCXX="$CXX"
LDEXECXX="$CXX"
POST_STRIP_CMD="$STRIP -g"
# Linking is different on MacOSX
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
# Might change in the future to clang.
COMPILER_NAME=gcc
SHARED_LIBRARY='lib[$]1.dylib'
SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
SHARED_LIBRARY_SUFFIX='.dylib'
EXE_SUFFIX=''
SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
SET_SHARED_LIBRARY_MAPFILE=''
SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
POST_STRIP_CMD="$STRIP -S"
fi
else
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
# If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
COMPILER_NAME=ossc
PICFLAG="-KPIC"
LIBRARY_PREFIX=lib
SHARED_LIBRARY='lib[$]1.so'
STATIC_LIBRARY='lib[$]1.a'
SHARED_LIBRARY_FLAGS="-G"
SHARED_LIBRARY_SUFFIX='.so'
STATIC_LIBRARY_SUFFIX='.a'
OBJ_SUFFIX='.o'
EXE_SUFFIX=''
SET_SHARED_LIBRARY_NAME=''
SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
C_FLAG_REORDER='-xF'
CXX_FLAG_REORDER='-xF'
SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
CFLAGS_JDKLIB_EXTRA='-xstrconst'
POST_STRIP_CMD="$STRIP -x"
POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
fi
if test "x$OPENJDK_TARGET_OS" = xwindows; then
# If it is not gcc, then assume it is the MS Visual Studio compiler
COMPILER_NAME=cl
PICFLAG=""
LIBRARY_PREFIX=
SHARED_LIBRARY='[$]1.dll'
STATIC_LIBRARY='[$]1.lib'
SHARED_LIBRARY_FLAGS="-LD"
SHARED_LIBRARY_SUFFIX='.dll'
STATIC_LIBRARY_SUFFIX='.lib'
OBJ_SUFFIX='.obj'
EXE_SUFFIX='.exe'
SET_SHARED_LIBRARY_NAME=''
SET_SHARED_LIBRARY_MAPFILE=''
SET_SHARED_LIBRARY_ORIGIN=''
SET_EXECUTABLE_ORIGIN=''
fi
fi
AC_SUBST(COMPILER_NAME)
AC_SUBST(OBJ_SUFFIX)
AC_SUBST(SHARED_LIBRARY)
AC_SUBST(STATIC_LIBRARY)
AC_SUBST(LIBRARY_PREFIX)
AC_SUBST(SHARED_LIBRARY_SUFFIX)
AC_SUBST(STATIC_LIBRARY_SUFFIX)
AC_SUBST(EXE_SUFFIX)
AC_SUBST(SHARED_LIBRARY_FLAGS)
AC_SUBST(SET_SHARED_LIBRARY_NAME)
AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
AC_SUBST(C_FLAG_REORDER)
AC_SUBST(CXX_FLAG_REORDER)
AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
AC_SUBST(SET_EXECUTABLE_ORIGIN)
AC_SUBST(POST_STRIP_CMD)
AC_SUBST(POST_MCS_CMD)
# The (cross) compiler is now configured, we can now test capabilities
# of the target platform.
])
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
[
###############################################################################
#
# Setup the opt flags for different compilers
# and different operating systems.
#
#
# NOTE: check for -mstackrealign needs to be below potential addition of -m32
#
if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
# On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
# While waiting for a better solution, the current workaround is to use -mstackrealign.
CFLAGS="$CFLAGS -mstackrealign"
AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
[
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
]
)
fi
C_FLAG_DEPS="-MMD -MF"
CXX_FLAG_DEPS="-MMD -MF"
case $COMPILER_TYPE in
CC )
case $COMPILER_NAME in
gcc )
case $OPENJDK_TARGET_OS in
macosx )
# On MacOSX we optimize for size, something
# we should do for all platforms?
C_O_FLAG_HI="-Os"
C_O_FLAG_NORM="-Os"
C_O_FLAG_NONE=""
;;
*)
C_O_FLAG_HI="-O3"
C_O_FLAG_NORM="-O2"
C_O_FLAG_NONE="-O0"
;;
esac
CXX_O_FLAG_HI="$C_O_FLAG_HI"
CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
CFLAGS_DEBUG_SYMBOLS="-g"
CXXFLAGS_DEBUG_SYMBOLS="-g"
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
CFLAGS_DEBUG_SYMBOLS="-g1"
CXXFLAGS_DEBUG_SYMBOLS="-g1"
fi
;;
ossc )
#
# Forte has different names for this with their C++ compiler...
#
C_FLAG_DEPS="-xMMD -xMF"
CXX_FLAG_DEPS="-xMMD -xMF"
# Extra options used with HIGHEST
#
# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
# done with care, there are some assumptions below that need to
# be understood about the use of pointers, and IEEE behavior.
#
# Use non-standard floating point mode (not IEEE 754)
CC_HIGHEST="$CC_HIGHEST -fns"
# Do some simplification of floating point arithmetic (not IEEE 754)
CC_HIGHEST="$CC_HIGHEST -fsimple"
# Use single precision floating point with 'float'
CC_HIGHEST="$CC_HIGHEST -fsingle"
# Assume memory references via basic pointer types do not alias
# (Source with excessing pointer casting and data access with mixed
# pointer types are not recommended)
CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
# Use intrinsic or inline versions for math/std functions
# (If you expect perfect errno behavior, do not use this)
CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
# Loop data dependency optimizations (need -xO3 or higher)
CC_HIGHEST="$CC_HIGHEST -xdepend"
# Pointer parameters to functions do not overlap
# (Similar to -xalias_level=basic usage, but less obvious sometimes.
# If you pass in multiple pointers to the same data, do not use this)
CC_HIGHEST="$CC_HIGHEST -xrestrict"
# Inline some library routines
# (If you expect perfect errno behavior, do not use this)
CC_HIGHEST="$CC_HIGHEST -xlibmil"
# Use optimized math routines
# (If you expect perfect errno behavior, do not use this)
# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
#CC_HIGHEST="$CC_HIGHEST -xlibmopt"
if test "x$OPENJDK_TARGET_CPU" = xsparc; then
CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
fi
case $OPENJDK_TARGET_CPU_ARCH in
x86)
C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
C_O_FLAG_NONE="-xregs=no%frameptr"
CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
CXX_O_FLAG_NONE="-xregs=no%frameptr"
if test "x$OPENJDK_TARGET_CPU" = xx86; then
C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
fi
;;
sparc)
CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
C_O_FLAG_NONE=""
CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
CXX_O_FLAG_NONE=""
;;
esac
CFLAGS_DEBUG_SYMBOLS="-g -xs"
CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
esac
;;
CL )
C_O_FLAG_HIGHEST="-O2"
C_O_FLAG_HI="-O1"
C_O_FLAG_NORM="-O1"
C_O_FLAG_NONE="-Od"
CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
CXX_O_FLAG_HI="$C_O_FLAG_HI"
CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
;;
esac
if test -z "$C_O_FLAG_HIGHEST"; then
C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
fi
if test -z "$CXX_O_FLAG_HIGHEST"; then
CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
fi
AC_SUBST(C_O_FLAG_HIGHEST)
AC_SUBST(C_O_FLAG_HI)
AC_SUBST(C_O_FLAG_NORM)
AC_SUBST(C_O_FLAG_NONE)
AC_SUBST(CXX_O_FLAG_HIGHEST)
AC_SUBST(CXX_O_FLAG_HI)
AC_SUBST(CXX_O_FLAG_NORM)
AC_SUBST(CXX_O_FLAG_NONE)
AC_SUBST(C_FLAG_DEPS)
AC_SUBST(CXX_FLAG_DEPS)
])
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
[
if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
fi
if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
fi
if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
fi
AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
[extra flags to be used when compiling jdk c-files])])
AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
[extra flags to be used when compiling jdk c++-files])])
AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
[extra flags to be used when linking jdk])])
CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
# Hotspot needs these set in their legacy form
LEGACY_EXTRA_CFLAGS=$with_extra_cflags
LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
AC_SUBST(LEGACY_EXTRA_CFLAGS)
AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
AC_SUBST(LEGACY_EXTRA_LDFLAGS)
###############################################################################
#
# Now setup the CFLAGS and LDFLAGS for the JDK build.
# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
#
case $COMPILER_NAME in
gcc )
CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
-pipe \
-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
case $OPENJDK_TARGET_CPU_ARCH in
arm )
# on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
ppc )
# on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
;;
* )
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
;;
esac
;;
ossc )
CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
case $OPENJDK_TARGET_CPU_ARCH in
x86 )
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
;;
esac
CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
;;
cl )
CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
-DWIN32 -DIAL"
case $OPENJDK_TARGET_CPU in
x86 )
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
;;
x86_64 )
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
;;
esac
;;
esac
###############################################################################
# Adjust flags according to debug level.
case $DEBUG_LEVEL in
fastdebug )
CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
C_O_FLAG_HI="$C_O_FLAG_NORM"
C_O_FLAG_NORM="$C_O_FLAG_NORM"
CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
JAVAC_FLAGS="$JAVAC_FLAGS -g"
;;
slowdebug )
CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
C_O_FLAG_HI="$C_O_FLAG_NONE"
C_O_FLAG_NORM="$C_O_FLAG_NONE"
CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
JAVAC_FLAGS="$JAVAC_FLAGS -g"
;;
esac
CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
# The package path is used only on macosx?
PACKAGE_PATH=/opt/local
AC_SUBST(PACKAGE_PATH)
if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
# The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
# Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
# (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
# Note: -Dmacro is the same as #define macro 1
# -Dmacro= is the same as #define macro
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
else
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
fi
else
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
fi
if test "x$OPENJDK_TARGET_OS" = xlinux; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
fi
if test "x$OPENJDK_TARGET_OS" = xwindows; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
fi
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
fi
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
# Setting these parameters makes it an error to link to macosx APIs that are
# newer than the given OS version and makes the linked binaries compatible even
# if built on a newer version of the OS.
# The expected format is X.Y.Z
MACOSX_VERSION_MIN=10.7.0
AC_SUBST(MACOSX_VERSION_MIN)
# The macro takes the version with no dots, ex: 1070
# Let the flags variables get resolved in make for easier override on make
# command line.
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
fi
if test "x$OPENJDK_TARGET_OS" = xbsd; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
fi
if test "x$DEBUG_LEVEL" = xrelease; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
if test "x$OPENJDK_TARGET_OS" = xsolaris; then
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
fi
else
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
fi
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
-I${JDK_OUTPUTDIR}/include \
-I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
-I${JDK_TOPDIR}/src/share/javavm/export \
-I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \
-I${JDK_TOPDIR}/src/share/native/common \
-I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
# The shared libraries are compiled using the picflag.
CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
# Executable flags
CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
# Now this is odd. The JDK native libraries have to link against libjvm.so
# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
# is identical for client and server? Yes. Which is picked at runtime (client or server)?
# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
# libraries will link to whatever is in memory. Yuck.
#
# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
if test "x$COMPILER_NAME" = xcl; then
LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
if test "x$OPENJDK_TARGET_CPU" = xx86; then
LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
fi
# TODO: make -debug optional "--disable-full-debug-symbols"
LDFLAGS_JDK="$LDFLAGS_JDK -debug"
LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
LDFLAGS_JDKLIB_SUFFIX=""
if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
LDFLAGS_STACK_SIZE=1048576
else
LDFLAGS_STACK_SIZE=327680
fi
LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
else
if test "x$COMPILER_NAME" = xgcc; then
# If this is a --hash-style=gnu system, use --hash-style=both, why?
HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
if test -n "$HAS_GNU_HASH"; then
LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
fi
if test "x$OPENJDK_TARGET_OS" = xlinux; then
# And since we now know that the linker is gnu, then add -z defs, to forbid
# undefined symbols in object files.
LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
if test "x$DEBUG_LEVEL" = "xrelease"; then
# When building release libraries, tell the linker optimize them.
# Should this be supplied to the OSS linker as well?
LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
fi
fi
fi
LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
-L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
# On some platforms (mac) the linker warns about non existing -L dirs.
# Add server first if available. Linking aginst client does not always produce the same results.
# Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
# Default to server for other variants.
if test "x$JVM_VARIANT_SERVER" = xtrue; then
LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
else
LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
fi
LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
if test "x$COMPILER_NAME" = xossc; then
LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
fi
LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
if test "x$OPENJDK_TARGET_OS" = xlinux; then
LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
fi
fi
AC_SUBST(CFLAGS_JDKLIB)
AC_SUBST(CFLAGS_JDKEXE)
AC_SUBST(CXXFLAGS_JDKLIB)
AC_SUBST(CXXFLAGS_JDKEXE)
AC_SUBST(LDFLAGS_JDKLIB)
AC_SUBST(LDFLAGS_JDKEXE)
AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
AC_SUBST(LDFLAGS_CXX_JDK)
])
# TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
# [RUN-IF-FALSE])
# ------------------------------------------------------------
# Check that the c and c++ compilers support an argument
AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
[
AC_MSG_CHECKING([if compiler supports "$1"])
supports=yes
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_LANG_PUSH([C])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
[supports=no])
AC_LANG_POP([C])
CFLAGS="$saved_cflags"
saved_cxxflags="$CXXFLAGS"
CXXFLAGS="$CXXFLAG $1"
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
[supports=no])
AC_LANG_POP([C++])
CXXFLAGS="$saved_cxxflags"
AC_MSG_RESULT([$supports])
if test "x$supports" = "xyes" ; then
m4_ifval([$2], [$2], [:])
else
m4_ifval([$3], [$3], [:])
fi
])
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
[
# Some Zero and Shark settings.
# ZERO_ARCHFLAG tells the compiler which mode to build for
case "${OPENJDK_TARGET_CPU}" in
s390)
ZERO_ARCHFLAG="-m31"
;;
*)
ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
esac
TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
AC_SUBST(ZERO_ARCHFLAG)
# Check that the compiler supports -mX flags
# Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
[COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
[COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
])
# Setup the JTREG paths
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
[
AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
[Regression Test Harness @<:@probed@:>@])],
[],
[with_jtreg=no])
if test "x$with_jtreg" = xno; then
# jtreg disabled
AC_MSG_CHECKING([for jtreg])
AC_MSG_RESULT(no)
else
if test "x$with_jtreg" != xyes; then
# with path specified.
JT_HOME="$with_jtreg"
fi
if test "x$JT_HOME" != x; then
AC_MSG_CHECKING([for jtreg])
# use JT_HOME enviroment var.
BASIC_FIXUP_PATH([JT_HOME])
# jtreg win32 script works for everybody
JTREGEXE="$JT_HOME/win32/bin/jtreg"
if test ! -f "$JTREGEXE"; then
AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
fi
AC_MSG_RESULT($JTREGEXE)
else
# try to find jtreg on path
BASIC_REQUIRE_PROG(JTREGEXE, jtreg)
JT_HOME="`$DIRNAME $JTREGEXE`"
fi
fi
AC_SUBST(JT_HOME)
AC_SUBST(JTREGEXE)
])
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