| # |
| # Copyright (c) 2011, 2018, 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([FLAGS_SETUP_INIT_FLAGS], |
| [ |
| # Option used to tell the compiler whether to create 32- or 64-bit executables |
| if test "x$TOOLCHAIN_TYPE" = xxlc; then |
| COMPILER_TARGET_BITS_FLAG="-q" |
| else |
| COMPILER_TARGET_BITS_FLAG="-m" |
| fi |
| AC_SUBST(COMPILER_TARGET_BITS_FLAG) |
| |
| # FIXME: figure out if we should select AR flags depending on OS or toolchain. |
| if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| ARFLAGS="-r" |
| elif test "x$OPENJDK_TARGET_OS" = xaix; then |
| ARFLAGS="-X64" |
| elif test "x$OPENJDK_TARGET_OS" = xwindows; then |
| # lib.exe is used as AR to create static libraries. |
| ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" |
| else |
| ARFLAGS="" |
| fi |
| AC_SUBST(ARFLAGS) |
| |
| ## Setup strip. |
| # FIXME: should this really be per platform, or should it be per toolchain type? |
| # strip is not provided by clang or solstudio; so guessing platform makes most sense. |
| # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. |
| if test "x$OPENJDK_TARGET_OS" = xlinux; then |
| STRIPFLAGS="-g" |
| elif test "x$OPENJDK_TARGET_OS" = xsolaris; then |
| STRIPFLAGS="-x" |
| elif test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| STRIPFLAGS="-S" |
| elif test "x$OPENJDK_TARGET_OS" = xaix; then |
| STRIPFLAGS="-X32_64" |
| fi |
| |
| if test "x$OPENJDK_TARGET_OS" != xwindows; then |
| POST_STRIP_CMD="$STRIP $STRIPFLAGS" |
| fi |
| AC_SUBST(POST_STRIP_CMD) |
| |
| if test "x$OPENJDK_TARGET_OS" = xsolaris; then |
| # FIXME: break out into MCSFLAGS |
| POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\"" |
| fi |
| AC_SUBST(POST_MCS_CMD) |
| |
| if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| CC_OUT_OPTION=-Fo |
| EXE_OUT_OPTION=-out: |
| LD_OUT_OPTION=-out: |
| AR_OUT_OPTION=-out: |
| else |
| # 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)' |
| fi |
| AC_SUBST(CC_OUT_OPTION) |
| AC_SUBST(EXE_OUT_OPTION) |
| AC_SUBST(LD_OUT_OPTION) |
| AC_SUBST(AR_OUT_OPTION) |
| |
| # On Windows, we need to set RC flags. |
| if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| RC_FLAGS="-nologo -l 0x409 -r" |
| if test "x$VARIANT" = xOPT; then |
| RC_FLAGS="$RC_FLAGS -d NDEBUG" |
| fi |
| |
| # 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).\$(COOKED_JDK_UPDATE_VERSION).\$(COOKED_BUILD_NUMBER)\" \ |
| -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ |
| -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ |
| -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(COOKED_JDK_UPDATE_VERSION),\$(COOKED_JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" |
| fi |
| AC_SUBST(RC_FLAGS) |
| |
| if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX. |
| CCXXFLAGS="$CCXXFLAGS -nologo" |
| fi |
| |
| if test "x$SYSROOT" != "x"; then |
| if test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| if test "x$OPENJDK_TARGET_OS" = xsolaris; then |
| # Solaris Studio does not have a concept of sysroot. Instead we must |
| # make sure the default include and lib dirs are appended to each |
| # compile and link command line. |
| SYSROOT_CFLAGS="-I$SYSROOT/usr/include" |
| SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ |
| -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ |
| -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" |
| fi |
| elif test "x$TOOLCHAIN_TYPE" = xgcc; then |
| SYSROOT_CFLAGS="--sysroot=\"$SYSROOT\"" |
| SYSROOT_LDFLAGS="--sysroot=\"$SYSROOT\"" |
| elif test "x$TOOLCHAIN_TYPE" = xclang; then |
| SYSROOT_CFLAGS="-isysroot \"$SYSROOT\"" |
| SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\"" |
| fi |
| # Propagate the sysroot args to hotspot |
| LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS" |
| LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS" |
| LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS" |
| fi |
| AC_SUBST(SYSROOT_CFLAGS) |
| AC_SUBST(SYSROOT_LDFLAGS) |
| ]) |
| |
| AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], |
| [ |
| ############################################################################### |
| # |
| # How to compile shared libraries. |
| # |
| |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| PICFLAG="-fPIC" |
| C_FLAG_REORDER='' |
| CXX_FLAG_REORDER='' |
| |
| if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| # Linking is different on MacOSX |
| SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" |
| SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' |
| SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" |
| SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' |
| SET_SHARED_LIBRARY_MAPFILE='' |
| else |
| # Default works for linux, might work on other platforms as well. |
| SHARED_LIBRARY_FLAGS='-shared' |
| SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' |
| SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" |
| SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' |
| SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' |
| fi |
| elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| PICFLAG="-KPIC" |
| C_FLAG_REORDER='-xF' |
| CXX_FLAG_REORDER='-xF' |
| SHARED_LIBRARY_FLAGS="-G" |
| SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' |
| SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" |
| SET_SHARED_LIBRARY_NAME='' |
| SET_SHARED_LIBRARY_MAPFILE='-M[$]1' |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| PICFLAG="-qpic=large" |
| C_FLAG_REORDER='' |
| CXX_FLAG_REORDER='' |
| SHARED_LIBRARY_FLAGS="-qmkshrobj" |
| SET_EXECUTABLE_ORIGIN="" |
| SET_SHARED_LIBRARY_ORIGIN='' |
| SET_SHARED_LIBRARY_NAME='' |
| SET_SHARED_LIBRARY_MAPFILE='' |
| elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| PICFLAG="" |
| C_FLAG_REORDER='' |
| CXX_FLAG_REORDER='' |
| SHARED_LIBRARY_FLAGS="-LD" |
| SET_EXECUTABLE_ORIGIN='' |
| SET_SHARED_LIBRARY_ORIGIN='' |
| SET_SHARED_LIBRARY_NAME='' |
| SET_SHARED_LIBRARY_MAPFILE='' |
| fi |
| |
| AC_SUBST(C_FLAG_REORDER) |
| AC_SUBST(CXX_FLAG_REORDER) |
| AC_SUBST(SHARED_LIBRARY_FLAGS) |
| AC_SUBST(SET_EXECUTABLE_ORIGIN) |
| AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) |
| AC_SUBST(SET_SHARED_LIBRARY_NAME) |
| AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) |
| |
| if test "x$OPENJDK_TARGET_OS" = xsolaris; then |
| CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" |
| CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" |
| CFLAGS_JDKLIB_EXTRA='-xstrconst' |
| fi |
| # The (cross) compiler is now configured, we can now test capabilities |
| # of the target platform. |
| ]) |
| |
| # Documentation on common flags used for solstudio in 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. |
| # |
| # -fns: Use non-standard floating point mode (not IEEE 754) |
| # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) |
| # -fsingle: Use single precision floating point with 'float' |
| # -xalias_level=basic: 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) |
| # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions |
| # (If you expect perfect errno behavior, do not use this) |
| # -xdepend: Loop data dependency optimizations (need -xO3 or higher) |
| # -xrestrict: 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) |
| # -xlibmil: Inline some library routines |
| # (If you expect perfect errno behavior, do not use this) |
| # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) |
| # (If you expect perfect errno behavior, do not use this) |
| # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now |
| |
| # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. |
| # Bug? |
| #if test "x$OPENJDK_TARGET_CPU" = xsparc; then |
| # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" |
| # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" |
| #fi |
| |
| AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], |
| [ |
| |
| ############################################################################### |
| # |
| # Setup the opt flags for different compilers |
| # and different operating systems. |
| # |
| |
| # FIXME: this was indirectly the old default, but just inherited. |
| # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| # C_FLAG_DEPS="-MMD -MF" |
| # fi |
| |
| # Generate make dependency files |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| C_FLAG_DEPS="-MMD -MF" |
| elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| C_FLAG_DEPS="-xMMD -xMF" |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| C_FLAG_DEPS="-qmakedep=gcc -MF" |
| fi |
| CXX_FLAG_DEPS="$C_FLAG_DEPS" |
| AC_SUBST(C_FLAG_DEPS) |
| AC_SUBST(CXX_FLAG_DEPS) |
| |
| # Debug symbols |
| # |
| # By default don't set any specific assembler debug |
| # info flags for toolchains unless we know they work. |
| # See JDK-8207057. |
| ASFLAGS_DEBUG_SYMBOLS="" |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then |
| CFLAGS_DEBUG_SYMBOLS="-g1" |
| CXXFLAGS_DEBUG_SYMBOLS="-g1" |
| else |
| CFLAGS_DEBUG_SYMBOLS="-g" |
| CXXFLAGS_DEBUG_SYMBOLS="-g" |
| fi |
| ASFLAGS_DEBUG_SYMBOLS="-g" |
| elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| CFLAGS_DEBUG_SYMBOLS="-g -xs" |
| CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| CFLAGS_DEBUG_SYMBOLS="-g" |
| CXXFLAGS_DEBUG_SYMBOLS="-g" |
| fi |
| AC_SUBST(ASFLAGS_DEBUG_SYMBOLS) |
| AC_SUBST(CFLAGS_DEBUG_SYMBOLS) |
| AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) |
| |
| # Optimization levels |
| if test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xalias_level=basic -xbuiltin=%all -xdepend -xrestrict -xlibmil" |
| |
| if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then |
| # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? |
| 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_BITS" = "x32"; then |
| C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" |
| CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" |
| fi |
| elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then |
| 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 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" |
| CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" |
| CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" |
| CXX_O_FLAG_NONE="" |
| fi |
| else |
| # The remaining toolchains share opt flags between CC and CXX; |
| # setup for C and duplicate afterwards. |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| # On MacOSX we optimize for size, something |
| # we should do for all platforms? |
| C_O_FLAG_HIGHEST="-Os" |
| C_O_FLAG_HI="-Os" |
| C_O_FLAG_NORM="-Os" |
| C_O_FLAG_NONE="" |
| else |
| C_O_FLAG_HIGHEST="-O3" |
| C_O_FLAG_HI="-O3" |
| C_O_FLAG_NORM="-O2" |
| C_O_FLAG_NONE="-O0" |
| fi |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| C_O_FLAG_HIGHEST="-O3" |
| C_O_FLAG_HI="-O3 -qstrict" |
| C_O_FLAG_NORM="-O2" |
| C_O_FLAG_NONE="" |
| elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| C_O_FLAG_HIGHEST="-O2" |
| C_O_FLAG_HI="-O1" |
| C_O_FLAG_NORM="-O1" |
| C_O_FLAG_NONE="-Od" |
| fi |
| CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" |
| CXX_O_FLAG_HI="$C_O_FLAG_HI" |
| CXX_O_FLAG_NORM="$C_O_FLAG_NORM" |
| CXX_O_FLAG_NONE="$C_O_FLAG_NONE" |
| fi |
| |
| AC_SUBST(C_O_FLAG_HIGHEST) |
| AC_SUBST(C_O_FLAG_HI) |
| AC_SUBST(C_O_FLAG_NORM) |
| AC_SUBST(C_O_FLAG_NONE) |
| AC_SUBST(CXX_O_FLAG_HIGHEST) |
| AC_SUBST(CXX_O_FLAG_HI) |
| AC_SUBST(CXX_O_FLAG_NORM) |
| AC_SUBST(CXX_O_FLAG_NONE) |
| ]) |
| |
| AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], |
| [ |
| # Special extras... |
| if test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then |
| CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" |
| CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" |
| fi |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall" |
| CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" |
| CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" |
| elif test "x$TOOLCHAIN_TYPE" = xgcc; then |
| $2CC_VER_STR=`${CC} -v 2>&1 | $GREP 'version'` |
| $2CC_VER_NUM_MAJOR=`echo ${$2CC_VER_STR} | $GREP 'version' | $SED 's/.* version@<:@ @:>@*\(@<:@0-9@:>@*\).*/\1/'` |
| if test \( `echo ${$2CC_VER_STR} | $GREP -c 'LLVM'` -eq "0" \) -a ${$2CC_VER_NUM_MAJOR} -lt "9" ; then |
| $2CXXSTD_CXXFLAG="-std=gnu++98" |
| fi |
| |
| case $OPENJDK_TARGET_CPU_ARCH in |
| x86 ) |
| LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS -fstack-protector" |
| LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS -fstack-protector" |
| ;; |
| x86_64 ) |
| LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS -fstack-protector" |
| LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS -fstack-protector" |
| ;; |
| esac |
| if test "x$OPENJDK_TARGET_OS" != xmacosx; then |
| LDFLAGS_JDK="$LDFLAGS_JDK -Wl,-z,relro" |
| LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS -Wl,-z,relro" |
| fi |
| FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]$2CXXSTD_CXXFLAG -Werror], |
| [], [$2CXXSTD_CXXFLAG=""]) |
| $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}" |
| $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}" |
| AC_SUBST($2CXXSTD_CXXFLAG) |
| fi |
| |
| if test "x$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} $with_extra_ldflags" |
| |
| # Hotspot needs these set in their legacy form |
| LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags" |
| LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags" |
| LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags" |
| |
| AC_SUBST(LEGACY_EXTRA_CFLAGS) |
| AC_SUBST(LEGACY_EXTRA_CXXFLAGS) |
| AC_SUBST(LEGACY_EXTRA_LDFLAGS) |
| |
| ############################################################################### |
| # |
| # Now setup the CFLAGS and LDFLAGS for the JDK build. |
| # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. |
| # |
| |
| # Setup compiler/platform specific flags to CFLAGS_JDK, |
| # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?) |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| # these options are used for both C and C++ compiles |
| CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ |
| -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 |
| ;; |
| x86 ) |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer -fstack-protector" |
| CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing -fstack-protector" |
| ;; |
| * ) |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer" |
| CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" |
| ;; |
| esac |
| TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS) |
| elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" |
| if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" |
| CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" |
| fi |
| |
| CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" |
| CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" |
| elif test "x$TOOLCHAIN_TYPE" = xxlc; then |
| CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" |
| CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" |
| elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK \ |
| -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ |
| -DWIN32_LEAN_AND_MEAN \ |
| -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ |
| -DWIN32 -DIAL" |
| if test "x$OPENJDK_TARGET_CPU" = xx86_64; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64" |
| else |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86" |
| fi |
| # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to |
| # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual |
| # studio. |
| if test "x$TOOLCHAIN_VERSION" = "x2010"; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK \ |
| -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" |
| fi |
| fi |
| |
| ############################################################################### |
| |
| # 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 |
| |
| # Setup LP64 |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64" |
| |
| # Set some common defines. These works for all compilers, but assume |
| # -D is universally accepted. |
| |
| # Setup endianness |
| if test "x$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="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN" |
| fi |
| else |
| # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they |
| # are defined in the system? |
| if test "x$OPENJDK_TARGET_OS" = xsolaris; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN=" |
| else |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN" |
| fi |
| fi |
| if test "x$OPENJDK_TARGET_CPU" = xppc64le; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DABI_ELFv2" |
| fi |
| |
| # Setup target OS define. Use OS target name but in upper case. |
| OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" |
| |
| # Setup target CPU |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" |
| |
| # Setup debug/release defines |
| 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="$CCXXFLAGS_JDK -DDEBUG" |
| fi |
| |
| # Setup release name |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" |
| |
| |
| # Set some additional per-OS defines. |
| if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" |
| elif test "x$OPENJDK_TARGET_OS" = xaix; then |
| # FIXME: PPC64 should not be here. |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64" |
| elif test "x$OPENJDK_TARGET_OS" = xbsd; then |
| CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE" |
| fi |
| |
| # Additional macosx handling |
| if test "x$OPENJDK_TARGET_OS" = xmacosx; then |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| # FIXME: This needs to be exported in spec.gmk due to closed legacy code. |
| # FIXME: clean this up, and/or move it elsewhere. |
| |
| # 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 |
| fi |
| |
| # Setup some hard coded includes |
| 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 $CXXFLAGS_JDK" |
| |
| AC_SUBST(CFLAGS_JDKLIB) |
| AC_SUBST(CFLAGS_JDKEXE) |
| AC_SUBST(CXXFLAGS_JDKLIB) |
| AC_SUBST(CXXFLAGS_JDKEXE) |
| |
| # Setup LDFLAGS et al. |
| # |
| # Now this is odd. The JDK native libraries have to link against libjvm.so |
| # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. |
| # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library |
| # is identical for client and server? Yes. Which is picked at runtime (client or server)? |
| # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following |
| # libraries will link to whatever is in memory. Yuck. |
| # |
| # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. |
| if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then |
| LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" |
| if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; 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:$LDFLAGS_STACK_SIZE" |
| else |
| if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| # If this is a --hash-style=gnu system, use --hash-style=both, why? |
| # We have previously set HAS_GNU_HASH if this is the case |
| if test -n "$HAS_GNU_HASH"; then |
| LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both " |
| fi |
| if test "x$OPENJDK_TARGET_OS" = xlinux; then |
| # And since we now know that the linker is gnu, then add: |
| # -z defs, to forbid undefined symbols in object files |
| # -z noexecstack, to mark stack regions as non-executable |
| LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs -Xlinker -z -Xlinker noexecstack" |
| 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 |
| |
| if test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" |
| LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" |
| fi |
| |
| LDFLAGS_JDKLIB="${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$TOOLCHAIN_TYPE" = xsolstudio; then |
| LDFLAGS_JDKLIB_SUFFIX="$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(LDFLAGS_JDKLIB) |
| AC_SUBST(LDFLAGS_JDKEXE) |
| AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) |
| AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) |
| AC_SUBST(LDFLAGS_CXX_JDK) |
| ]) |
| |
| |
| # FLAGS_C_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], |
| # [RUN-IF-FALSE]) |
| # ------------------------------------------------------------ |
| # Check that the C compiler supports an argument |
| AC_DEFUN([FLAGS_C_COMPILER_CHECK_ARGUMENTS], |
| [ |
| AC_MSG_CHECKING([if the C 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" |
| |
| AC_MSG_RESULT([$supports]) |
| if test "x$supports" = "xyes" ; then |
| m4_ifval([$2], [$2], [:]) |
| else |
| m4_ifval([$3], [$3], [:]) |
| fi |
| ]) |
| |
| # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], |
| # [RUN-IF-FALSE]) |
| # ------------------------------------------------------------ |
| # Check that the C++ compiler supports an argument |
| AC_DEFUN([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], |
| [ |
| AC_MSG_CHECKING([if the C++ compiler supports "$1"]) |
| supports=yes |
| |
| saved_cxxflags="$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 |
| ]) |
| |
| # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], |
| # [RUN-IF-FALSE]) |
| # ------------------------------------------------------------ |
| # Check that the C and C++ compilers support an argument |
| AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], |
| [ |
| FLAGS_C_COMPILER_CHECK_ARGUMENTS([$1], |
| [C_COMP_SUPPORTS="yes"], |
| [C_COMP_SUPPORTS="no"]) |
| FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([$1], |
| [CXX_COMP_SUPPORTS="yes"], |
| [CXX_COMP_SUPPORTS="no"]) |
| |
| AC_MSG_CHECKING([if both compilers support "$1"]) |
| supports=no |
| if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi |
| |
| AC_MSG_RESULT([$supports]) |
| if test "x$supports" = "xyes" ; then |
| m4_ifval([$2], [$2], [:]) |
| else |
| m4_ifval([$3], [$3], [:]) |
| fi |
| ]) |
| |
| AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], |
| [ |
| # Some Zero and Shark settings. |
| # ZERO_ARCHFLAG tells the compiler which mode to build for |
| case "${OPENJDK_TARGET_CPU}" in |
| s390) |
| ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" |
| ;; |
| *) |
| ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" |
| esac |
| FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) |
| AC_SUBST(ZERO_ARCHFLAG) |
| |
| # Check that the compiler supports -mX (or -qX on AIX) flags |
| # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does |
| FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], |
| [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], |
| [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) |
| AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) |
| ]) |
| |
| AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS], |
| [ |
| # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code |
| # runs afoul of the more aggressive versions of these optimisations. |
| # Notably, value range propagation now assumes that the this pointer of C++ |
| # member functions is non-null. |
| NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" |
| FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], |
| [], [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) |
| AC_SUBST([NO_DELETE_NULL_POINTER_CHECKS_CFLAG]) |
| NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" |
| FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_LIFETIME_DSE_CFLAG -Werror], |
| [], [NO_LIFETIME_DSE_CFLAG=""]) |
| CFLAGS_JDK="${CFLAGS_JDK} ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" |
| AC_SUBST([NO_LIFETIME_DSE_CFLAG]) |
| ]) |
| |
