kevinw@2206: #
kevinw@2206: # Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
kevinw@2206: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
kevinw@2206: #
kevinw@2206: # This code is free software; you can redistribute it and/or modify it
kevinw@2206: # under the terms of the GNU General Public License version 2 only, as
kevinw@2206: # published by the Free Software Foundation.  Oracle designates this
kevinw@2206: # particular file as subject to the "Classpath" exception as provided
kevinw@2206: # by Oracle in the LICENSE file that accompanied this code.
kevinw@2206: #
kevinw@2206: # This code is distributed in the hope that it will be useful, but WITHOUT
kevinw@2206: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
kevinw@2206: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
kevinw@2206: # version 2 for more details (a copy is included in the LICENSE file that
kevinw@2206: # accompanied this code).
kevinw@2206: #
kevinw@2206: # You should have received a copy of the GNU General Public License version
kevinw@2206: # 2 along with this work; if not, write to the Free Software Foundation,
kevinw@2206: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
kevinw@2206: #
kevinw@2206: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
kevinw@2206: # or visit www.oracle.com if you need additional information or have any
kevinw@2206: # questions.
kevinw@2206: #
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
kevinw@2206: [
kevinw@2206:   # Option used to tell the compiler whether to create 32- or 64-bit executables
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     COMPILER_TARGET_BITS_FLAG="-q"
kevinw@2206:   else
kevinw@2206:     COMPILER_TARGET_BITS_FLAG="-m"
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(COMPILER_TARGET_BITS_FLAG)
kevinw@2206: 
kevinw@2206:   # FIXME: figure out if we should select AR flags depending on OS or toolchain.
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:     ARFLAGS="-r"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xaix; then
kevinw@2206:     ARFLAGS="-X64"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xwindows; then
kevinw@2206:     # lib.exe is used as AR to create static libraries.
kevinw@2206:     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
kevinw@2206:   else
kevinw@2206:     ARFLAGS=""
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(ARFLAGS)
kevinw@2206: 
kevinw@2206:   ## Setup strip.
kevinw@2206:   # FIXME: should this really be per platform, or should it be per toolchain type?
kevinw@2206:   # strip is not provided by clang or solstudio; so guessing platform makes most sense.
kevinw@2206:   # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xlinux; then
kevinw@2206:     STRIPFLAGS="-g"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2206:     STRIPFLAGS="-x"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:     STRIPFLAGS="-S"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xaix; then
kevinw@2206:     STRIPFLAGS="-X32_64"
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" != xwindows; then
kevinw@2206:     POST_STRIP_CMD="$STRIP $STRIPFLAGS"
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(POST_STRIP_CMD)
kevinw@2206: 
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2206:     # FIXME: break out into MCSFLAGS
kevinw@2206:     POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(POST_MCS_CMD)
kevinw@2206: 
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:     CC_OUT_OPTION=-Fo
kevinw@2206:     EXE_OUT_OPTION=-out:
kevinw@2206:     LD_OUT_OPTION=-out:
kevinw@2206:     AR_OUT_OPTION=-out:
kevinw@2206:   else
kevinw@2206:     # The option used to specify the target .o,.a or .so file.
kevinw@2206:     # When compiling, how to specify the to be created object file.
kevinw@2206:     CC_OUT_OPTION='-o$(SPACE)'
kevinw@2206:     # When linking, how to specify the to be created executable.
kevinw@2206:     EXE_OUT_OPTION='-o$(SPACE)'
kevinw@2206:     # When linking, how to specify the to be created dynamically linkable library.
kevinw@2206:     LD_OUT_OPTION='-o$(SPACE)'
kevinw@2206:     # When archiving, how to specify the to be create static archive for object files.
kevinw@2206:     AR_OUT_OPTION='rcs$(SPACE)'
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(CC_OUT_OPTION)
kevinw@2206:   AC_SUBST(EXE_OUT_OPTION)
kevinw@2206:   AC_SUBST(LD_OUT_OPTION)
kevinw@2206:   AC_SUBST(AR_OUT_OPTION)
kevinw@2206: 
kevinw@2206:   # On Windows, we need to set RC flags.
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:     RC_FLAGS="-nologo -l 0x409 -r"
kevinw@2206:     if test "x$VARIANT" = xOPT; then
kevinw@2206:       RC_FLAGS="$RC_FLAGS -d NDEBUG"
kevinw@2206:     fi
kevinw@2206: 
kevinw@2206:     # The version variables used to create RC_FLAGS may be overridden
kevinw@2206:     # in a custom configure script, or possibly the command line.
kevinw@2206:     # Let those variables be expanded at make time in spec.gmk.
kevinw@2206:     # The \$ are escaped to the shell, and the $(...) variables
kevinw@2206:     # are evaluated by make.
kevinw@2206:     RC_FLAGS="$RC_FLAGS \
kevinw@2206:         -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
kevinw@2206:         -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
kevinw@2206:         -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
kevinw@2298:         -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(COOKED_JDK_UPDATE_VERSION).\$(COOKED_BUILD_NUMBER)\" \
kevinw@2206:         -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
kevinw@2206:         -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
kevinw@2401:         -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(COOKED_JDK_UPDATE_VERSION),\$(COOKED_JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(RC_FLAGS)
kevinw@2206: 
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:     # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX.
kevinw@2206:     CCXXFLAGS="$CCXXFLAGS -nologo"
kevinw@2206:   fi
kevinw@2215: 
kevinw@2215:   if test "x$SYSROOT" != "x"; then
kevinw@2215:     if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2215:       if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2215:         # Solaris Studio does not have a concept of sysroot. Instead we must
kevinw@2215:         # make sure the default include and lib dirs are appended to each 
kevinw@2215:         # compile and link command line.
kevinw@2215:         SYSROOT_CFLAGS="-I$SYSROOT/usr/include"
kevinw@2215:         SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \
kevinw@2215:             -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \
kevinw@2215:             -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR"
kevinw@2215:       fi
kevinw@2215:     elif test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2215:       SYSROOT_CFLAGS="--sysroot=\"$SYSROOT\""
kevinw@2215:       SYSROOT_LDFLAGS="--sysroot=\"$SYSROOT\""
kevinw@2215:     elif test "x$TOOLCHAIN_TYPE" = xclang; then
kevinw@2215:       SYSROOT_CFLAGS="-isysroot \"$SYSROOT\""
kevinw@2215:       SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\""
kevinw@2215:     fi
kevinw@2215:     # Propagate the sysroot args to hotspot
kevinw@2215:     LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS"
kevinw@2215:     LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS"
kevinw@2215:     LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS"
kevinw@2215:   fi
kevinw@2215:   AC_SUBST(SYSROOT_CFLAGS)
kevinw@2215:   AC_SUBST(SYSROOT_LDFLAGS)
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
kevinw@2206: [
kevinw@2206:   ###############################################################################
kevinw@2206:   #
kevinw@2206:   # How to compile shared libraries.
kevinw@2206:   #
kevinw@2206: 
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:     PICFLAG="-fPIC"
alvdavi@2496:     PIEFLAG="-fPIE"
kevinw@2206:     C_FLAG_REORDER=''
kevinw@2206:     CXX_FLAG_REORDER=''
kevinw@2206: 
kevinw@2206:     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:       # Linking is different on MacOSX
kevinw@2206:       SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
kevinw@2206:       SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
kevinw@2206:       SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
kevinw@2206:       SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
kevinw@2206:       SET_SHARED_LIBRARY_MAPFILE=''
kevinw@2206:     else
kevinw@2206:       # Default works for linux, might work on other platforms as well.
kevinw@2206:       SHARED_LIBRARY_FLAGS='-shared'
kevinw@2206:       SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
kevinw@2206:       SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"
kevinw@2206:       SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
kevinw@2206:       SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
kevinw@2206:     fi
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     PICFLAG="-KPIC"
alvdavi@2496:     PIEFLAG=""
kevinw@2206:     C_FLAG_REORDER='-xF'
kevinw@2206:     CXX_FLAG_REORDER='-xF'
kevinw@2206:     SHARED_LIBRARY_FLAGS="-G"
kevinw@2206:     SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1'
kevinw@2206:     SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
kevinw@2206:     SET_SHARED_LIBRARY_NAME=''
kevinw@2206:     SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     PICFLAG="-qpic=large"
alvdavi@2496:     PIEFLAG=""
kevinw@2206:     C_FLAG_REORDER=''
kevinw@2206:     CXX_FLAG_REORDER=''
kevinw@2206:     SHARED_LIBRARY_FLAGS="-qmkshrobj"
kevinw@2206:     SET_EXECUTABLE_ORIGIN=""
kevinw@2206:     SET_SHARED_LIBRARY_ORIGIN=''
kevinw@2206:     SET_SHARED_LIBRARY_NAME=''
kevinw@2206:     SET_SHARED_LIBRARY_MAPFILE=''
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:     PICFLAG=""
alvdavi@2496:     PIEFLAG=""
kevinw@2206:     C_FLAG_REORDER=''
kevinw@2206:     CXX_FLAG_REORDER=''
kevinw@2206:     SHARED_LIBRARY_FLAGS="-LD"
kevinw@2206:     SET_EXECUTABLE_ORIGIN=''
kevinw@2206:     SET_SHARED_LIBRARY_ORIGIN=''
kevinw@2206:     SET_SHARED_LIBRARY_NAME=''
kevinw@2206:     SET_SHARED_LIBRARY_MAPFILE=''
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   AC_SUBST(C_FLAG_REORDER)
kevinw@2206:   AC_SUBST(CXX_FLAG_REORDER)
kevinw@2206:   AC_SUBST(SHARED_LIBRARY_FLAGS)
kevinw@2206:   AC_SUBST(SET_EXECUTABLE_ORIGIN)
kevinw@2206:   AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
kevinw@2206:   AC_SUBST(SET_SHARED_LIBRARY_NAME)
kevinw@2206:   AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
kevinw@2206: 
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2206:     CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
kevinw@2206:     CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
kevinw@2206:     CFLAGS_JDKLIB_EXTRA='-xstrconst'
kevinw@2206:   fi
kevinw@2206:   # The (cross) compiler is now configured, we can now test capabilities
kevinw@2206:   # of the target platform.
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: # Documentation on common flags used for solstudio in HIGHEST.
kevinw@2206: #
kevinw@2206: # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
kevinw@2206: #          done with care, there are some assumptions below that need to
kevinw@2206: #          be understood about the use of pointers, and IEEE behavior.
kevinw@2206: #
kevinw@2206: # -fns: Use non-standard floating point mode (not IEEE 754)
kevinw@2206: # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
kevinw@2206: # -fsingle: Use single precision floating point with 'float'
kevinw@2206: # -xalias_level=basic: Assume memory references via basic pointer types do not alias
kevinw@2206: #   (Source with excessing pointer casting and data access with mixed
kevinw@2206: #    pointer types are not recommended)
kevinw@2206: # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
kevinw@2206: #   (If you expect perfect errno behavior, do not use this)
kevinw@2206: # -xdepend: Loop data dependency optimizations (need -xO3 or higher)
kevinw@2206: # -xrestrict: Pointer parameters to functions do not overlap
kevinw@2206: #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
kevinw@2206: #    If you pass in multiple pointers to the same data, do not use this)
kevinw@2206: # -xlibmil: Inline some library routines
kevinw@2206: #   (If you expect perfect errno behavior, do not use this)
kevinw@2206: # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
kevinw@2206: #   (If you expect perfect errno behavior, do not use this)
kevinw@2206: #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
kevinw@2206: 
kevinw@2206:     # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
kevinw@2206:     # Bug?
kevinw@2206:     #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
kevinw@2206:     #  CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
kevinw@2206:     #  CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
kevinw@2206:     #fi
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
kevinw@2206: [
kevinw@2206: 
kevinw@2206:   ###############################################################################
kevinw@2206:   #
kevinw@2206:   # Setup the opt flags for different compilers
kevinw@2206:   # and different operating systems.
kevinw@2206:   #
kevinw@2206: 
kevinw@2206:   # FIXME: this was indirectly the old default, but just inherited.
kevinw@2206:   # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:   #   C_FLAG_DEPS="-MMD -MF"
kevinw@2206:   # fi
kevinw@2206: 
kevinw@2206:   # Generate make dependency files
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:     C_FLAG_DEPS="-MMD -MF"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     C_FLAG_DEPS="-xMMD -xMF"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     C_FLAG_DEPS="-qmakedep=gcc -MF"
kevinw@2206:   fi
kevinw@2206:   CXX_FLAG_DEPS="$C_FLAG_DEPS"
kevinw@2206:   AC_SUBST(C_FLAG_DEPS)
kevinw@2206:   AC_SUBST(CXX_FLAG_DEPS)
kevinw@2206: 
kevinw@2206:   # Debug symbols
sgehwolf@2322:   #
sgehwolf@2322:   # By default don't set any specific assembler debug
sgehwolf@2322:   # info flags for toolchains unless we know they work.
sgehwolf@2322:   # See JDK-8207057.
sgehwolf@2322:   ASFLAGS_DEBUG_SYMBOLS=""
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
kevinw@2206:       CFLAGS_DEBUG_SYMBOLS="-g1"
kevinw@2206:       CXXFLAGS_DEBUG_SYMBOLS="-g1"
kevinw@2206:     else
kevinw@2206:       CFLAGS_DEBUG_SYMBOLS="-g"
kevinw@2206:       CXXFLAGS_DEBUG_SYMBOLS="-g"
kevinw@2206:     fi
sgehwolf@2322:     ASFLAGS_DEBUG_SYMBOLS="-g"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     CFLAGS_DEBUG_SYMBOLS="-g -xs"
kevinw@2206:     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     CFLAGS_DEBUG_SYMBOLS="-g"
kevinw@2206:     CXXFLAGS_DEBUG_SYMBOLS="-g"
kevinw@2206:   fi
sgehwolf@2322:   AC_SUBST(ASFLAGS_DEBUG_SYMBOLS)
kevinw@2206:   AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
kevinw@2206:   AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
kevinw@2206: 
kevinw@2206:   # Optimization levels
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xalias_level=basic -xbuiltin=%all -xdepend -xrestrict -xlibmil"
kevinw@2206: 
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
kevinw@2206:       # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
kevinw@2206:       C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
kevinw@2206:       C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
kevinw@2206:       C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
kevinw@2206:       C_O_FLAG_NONE="-xregs=no%frameptr"
kevinw@2206:       CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
kevinw@2206:       CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
kevinw@2206:       CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
kevinw@2206:       CXX_O_FLAG_NONE="-xregs=no%frameptr"
kevinw@2206:       if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
kevinw@2206:         C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
kevinw@2206:         CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
kevinw@2206:       fi
kevinw@2206:     elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
kevinw@2206:       C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
kevinw@2206:       C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
kevinw@2206:       C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
kevinw@2206:       C_O_FLAG_NONE=""
kevinw@2206:       CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
kevinw@2206:       CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
kevinw@2206:       CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
kevinw@2206:       CXX_O_FLAG_NONE=""
kevinw@2206:     fi
kevinw@2206:   else
kevinw@2206:     # The remaining toolchains share opt flags between CC and CXX;
kevinw@2206:     # setup for C and duplicate afterwards.
kevinw@2206:     if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:       if test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:         # On MacOSX we optimize for size, something
kevinw@2206:         # we should do for all platforms?
kevinw@2206:         C_O_FLAG_HIGHEST="-Os"
kevinw@2206:         C_O_FLAG_HI="-Os"
kevinw@2206:         C_O_FLAG_NORM="-Os"
kevinw@2206:         C_O_FLAG_NONE=""
kevinw@2206:       else
kevinw@2206:         C_O_FLAG_HIGHEST="-O3"
kevinw@2206:         C_O_FLAG_HI="-O3"
kevinw@2206:         C_O_FLAG_NORM="-O2"
kevinw@2206:         C_O_FLAG_NONE="-O0"
kevinw@2206:       fi
kevinw@2206:     elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:       C_O_FLAG_HIGHEST="-O3"
kevinw@2206:       C_O_FLAG_HI="-O3 -qstrict"
kevinw@2206:       C_O_FLAG_NORM="-O2"
kevinw@2206:       C_O_FLAG_NONE=""
kevinw@2206:     elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:       C_O_FLAG_HIGHEST="-O2"
kevinw@2206:       C_O_FLAG_HI="-O1"
kevinw@2206:       C_O_FLAG_NORM="-O1"
kevinw@2206:       C_O_FLAG_NONE="-Od"
kevinw@2206:     fi
kevinw@2206:     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
kevinw@2206:     CXX_O_FLAG_HI="$C_O_FLAG_HI"
kevinw@2206:     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
kevinw@2206:     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   AC_SUBST(C_O_FLAG_HIGHEST)
kevinw@2206:   AC_SUBST(C_O_FLAG_HI)
kevinw@2206:   AC_SUBST(C_O_FLAG_NORM)
kevinw@2206:   AC_SUBST(C_O_FLAG_NONE)
kevinw@2206:   AC_SUBST(CXX_O_FLAG_HIGHEST)
kevinw@2206:   AC_SUBST(CXX_O_FLAG_HI)
kevinw@2206:   AC_SUBST(CXX_O_FLAG_NORM)
kevinw@2206:   AC_SUBST(CXX_O_FLAG_NONE)
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
kevinw@2206: [
kevinw@2206:   # Special extras...
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
kevinw@2206:       CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
kevinw@2206:       CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
kevinw@2206:     fi
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall"
kevinw@2206:     CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
kevinw@2206:     CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xgcc; then
andrew@2445:     LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS -fstack-protector"
andrew@2445:     LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS -fstack-protector"
kevinw@2373:     if test "x$OPENJDK_TARGET_OS" != xmacosx; then
kevinw@2373:       LDFLAGS_JDK="$LDFLAGS_JDK -Wl,-z,relro"
kevinw@2373:       LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS -Wl,-z,relro"
kevinw@2373:     fi
kevinw@2206:     $2CXXSTD_CXXFLAG="-std=gnu++98"
kevinw@2206:     FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]$2CXXSTD_CXXFLAG -Werror],
kevinw@2206:                                        [], [$2CXXSTD_CXXFLAG=""])
kevinw@2206:     $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}"
kevinw@2206:     $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}"
kevinw@2206:     AC_SUBST($2CXXSTD_CXXFLAG)
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
kevinw@2206:     AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
kevinw@2206:     AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
kevinw@2206:     AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
kevinw@2206:   fi
kevinw@2206: 
sgehwolf@2482: 
sgehwolf@2482:   if test "x$ASFLAGS" != "x"; then
sgehwolf@2482:     AC_MSG_WARN([Ignoring ASFLAGS($ASFLAGS) found in environment. Use --with-extra-asflags])
sgehwolf@2482:   fi
sgehwolf@2482: 
kevinw@2206:   AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
kevinw@2206:       [extra flags to be used when compiling jdk c-files])])
kevinw@2206: 
kevinw@2206:   AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
kevinw@2206:       [extra flags to be used when compiling jdk c++-files])])
kevinw@2206: 
kevinw@2206:   AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
kevinw@2206:       [extra flags to be used when linking jdk])])
kevinw@2206: 
sgehwolf@2482:   AC_ARG_WITH(extra-asflags, [AS_HELP_STRING([--with-extra-asflags],
sgehwolf@2482:       [extra flags to be passed to the assembler])])
sgehwolf@2482: 
kevinw@2206:   CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
kevinw@2206:   CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
kevinw@2206:   LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
kevinw@2206: 
kevinw@2206:   # Hotspot needs these set in their legacy form
kevinw@2215:   LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags"
kevinw@2215:   LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags"
kevinw@2215:   LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags"
sgehwolf@2482:   LEGACY_EXTRA_ASFLAGS="$with_extra_asflags"
kevinw@2206: 
kevinw@2206:   AC_SUBST(LEGACY_EXTRA_CFLAGS)
kevinw@2206:   AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
kevinw@2206:   AC_SUBST(LEGACY_EXTRA_LDFLAGS)
sgehwolf@2482:   AC_SUBST(LEGACY_EXTRA_ASFLAGS)
kevinw@2206: 
kevinw@2206:   ###############################################################################
kevinw@2206:   #
kevinw@2206:   # Now setup the CFLAGS and LDFLAGS for the JDK build.
kevinw@2206:   # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
kevinw@2206:   #
kevinw@2206: 
sgehwolf@2424:   FDLIBM_CFLAGS=""
kevinw@2206:   # Setup compiler/platform specific flags to CFLAGS_JDK,
kevinw@2206:   # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?)
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:     # these options are used for both C and C++ compiles
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
andrew@2445:         -pipe -fstack-protector -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
kevinw@2206:     case $OPENJDK_TARGET_CPU_ARCH in
kevinw@2206:       arm )
kevinw@2206:         # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
kevinw@2206:         CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
kevinw@2206:         ;;
kevinw@2206:       ppc )
kevinw@2206:         # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
kevinw@2206:         ;;
kevinw@2206:       * )
kevinw@2206:         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
kevinw@2206:         CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
kevinw@2206:         ;;
kevinw@2206:     esac
kevinw@2206:     TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS)
sgehwolf@2424: 
sgehwolf@2424:     # Check that the compiler supports -ffp-contract=off flag
sgehwolf@2424:     # Set FDLIBM_CFLAGS to -ffp-contract=off if it does.
sgehwolf@2424:     # For GCC < 4.6, on x86, x86_64 and ppc check for
sgehwolf@2424:     # -mno-fused-madd and -fno-strict-aliasing. If they exist,
sgehwolf@2424:     # use them as a substitute for -ffp-contract=off.
sgehwolf@2424:     #
sgehwolf@2424:     # These flags are required for GCC-based builds of
sgehwolf@2424:     # fdlibm with optimization without losing precision.
sgehwolf@2424:     # Notably, -ffp-contract=off needs to be added for GCC >= 4.6,
sgehwolf@2424:     #          -mno-fused-madd -fno-strict-aliasing for GCC < 4.6
sgehwolf@2424:     COMPILER_FP_CONTRACT_OFF_FLAG="-ffp-contract=off"
sgehwolf@2424:     FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]COMPILER_FP_CONTRACT_OFF_FLAG -Werror],
sgehwolf@2424:                                        [], [COMPILER_FP_CONTRACT_OFF_FLAG=""])
sgehwolf@2424:     if test "x$COMPILER_FP_CONTRACT_OFF_FLAG" = x; then
sgehwolf@2424:       if test "$OPENJDK_TARGET_CPU_ARCH" = "x86" ||
sgehwolf@2424:          test "$OPENJDK_TARGET_CPU_ARCH" = "x86_64" ||
sgehwolf@2424:          test "$OPENJDK_TARGET_CPU_ARCH" = "ppc"; then
sgehwolf@2424:         M_NO_FUSED_ADD_FLAG="-mno-fused-madd"
sgehwolf@2424:         FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]M_NO_FUSED_ADD_FLAG -Werror],
sgehwolf@2424:                                            [], [M_NO_FUSED_ADD_FLAG=""])
sgehwolf@2424:         NO_STRICT_ALIASING_FLAG="-fno-strict-aliasing"
sgehwolf@2424:         FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]NO_STRICT_ALIASING_FLAG -Werror],
sgehwolf@2424:                                            [], [NO_STRICT_ALIASING_FLAG=""])
sgehwolf@2424:         if test "x$M_NO_FUSED_ADD_FLAG" != "x" && test "x$NO_STRICT_ALIASING_FLAG" != "x"; then
sgehwolf@2424:           FDLIBM_CFLAGS="$M_NO_FUSED_ADD_FLAG $NO_STRICT_ALIASING_FLAG"
sgehwolf@2424:         fi
sgehwolf@2424:       fi
sgehwolf@2424:     else
sgehwolf@2424:       FDLIBM_CFLAGS="$COMPILER_FP_CONTRACT_OFF_FLAG"
sgehwolf@2424:     fi
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
kevinw@2206:       CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
kevinw@2206:     fi
kevinw@2206:   
kevinw@2206:     CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
kevinw@2206:     CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xxlc; then
kevinw@2206:     CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
kevinw@2206:     CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
kevinw@2206:   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2223:     CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK \
kevinw@2223:         -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
kevinw@2223:         -DWIN32_LEAN_AND_MEAN \
kevinw@2223:         -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
kevinw@2223:         -DWIN32 -DIAL"
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
kevinw@2206:     else
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
kevinw@2206:     fi
kevinw@2223:     # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to
kevinw@2223:     # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
kevinw@2223:     # studio.
kevinw@2223:     if test "x$TOOLCHAIN_VERSION" = "x2010"; then
aivanov@2225:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
kevinw@2223:           -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
kevinw@2223:     fi
kevinw@2206:   fi
sgehwolf@2424:   AC_SUBST(FDLIBM_CFLAGS)
kevinw@2206: 
kevinw@2206:   ###############################################################################
kevinw@2206: 
kevinw@2206:   # Adjust flags according to debug level.
kevinw@2206:   case $DEBUG_LEVEL in
kevinw@2206:     fastdebug )
kevinw@2206:       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
kevinw@2206:       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
kevinw@2206:       C_O_FLAG_HI="$C_O_FLAG_NORM"
kevinw@2206:       C_O_FLAG_NORM="$C_O_FLAG_NORM"
kevinw@2206:       CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
kevinw@2206:       CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
kevinw@2206:       JAVAC_FLAGS="$JAVAC_FLAGS -g"
kevinw@2206:       ;;
kevinw@2206:     slowdebug )
kevinw@2206:       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
kevinw@2206:       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
kevinw@2206:       C_O_FLAG_HI="$C_O_FLAG_NONE"
kevinw@2206:       C_O_FLAG_NORM="$C_O_FLAG_NONE"
kevinw@2206:       CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
kevinw@2206:       CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
kevinw@2206:       JAVAC_FLAGS="$JAVAC_FLAGS -g"
kevinw@2206:       ;;
kevinw@2206:   esac
kevinw@2206: 
kevinw@2206:   # Setup LP64
kevinw@2206:   CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
kevinw@2206: 
kevinw@2206:   # Set some common defines. These works for all compilers, but assume
kevinw@2206:   # -D is universally accepted.
kevinw@2206: 
kevinw@2206:   # Setup endianness
kevinw@2206:   if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
kevinw@2206:     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
kevinw@2206:     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
kevinw@2206:     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
kevinw@2206:     #   Note: -Dmacro         is the same as    #define macro 1
kevinw@2206:     #         -Dmacro=        is the same as    #define macro
kevinw@2206:     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
kevinw@2206:     else
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
kevinw@2206:     fi
kevinw@2206:   else
kevinw@2215:     # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
kevinw@2215:     # are defined in the system?
kevinw@2215:     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2215:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN="
kevinw@2215:     else
kevinw@2215:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
kevinw@2215:     fi
kevinw@2206:   fi
sgehwolf@2325:   if test "x$OPENJDK_TARGET_CPU" = xppc64le; then
sgehwolf@2325:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DABI_ELFv2"
sgehwolf@2325:   fi
kevinw@2206:   
kevinw@2206:   # Setup target OS define. Use OS target name but in upper case.
kevinw@2206:   OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
kevinw@2206:   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
kevinw@2206: 
kevinw@2206:   # Setup target CPU
kevinw@2206:   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
kevinw@2206:   
kevinw@2206:   # Setup debug/release defines
kevinw@2206:   if test "x$DEBUG_LEVEL" = xrelease; then
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
kevinw@2206:     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
kevinw@2206:     fi
kevinw@2206:   else
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   # Setup release name
kevinw@2206:   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
kevinw@2206: 
kevinw@2206: 
kevinw@2206:   # Set some additional per-OS defines.
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xaix; then
kevinw@2206:     # FIXME: PPC64 should not be here.
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64"
kevinw@2206:   elif test "x$OPENJDK_TARGET_OS" = xbsd; then
kevinw@2206:     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   # Additional macosx handling
kevinw@2206:   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
kevinw@2206:     if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:       # FIXME: This needs to be exported in spec.gmk due to closed legacy code.
kevinw@2206:       # FIXME: clean this up, and/or move it elsewhere.
kevinw@2206: 
kevinw@2206:       # Setting these parameters makes it an error to link to macosx APIs that are
kevinw@2206:       # newer than the given OS version and makes the linked binaries compatible 
kevinw@2206:       # even if built on a newer version of the OS.
kevinw@2206:       # The expected format is X.Y.Z
kevinw@2206:       MACOSX_VERSION_MIN=10.7.0
kevinw@2206:       AC_SUBST(MACOSX_VERSION_MIN)
kevinw@2206:     
kevinw@2206:       # The macro takes the version with no dots, ex: 1070
kevinw@2206:       # Let the flags variables get resolved in make for easier override on make
kevinw@2206:       # command line.
kevinw@2206:       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
kevinw@2206:       LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
kevinw@2206:     fi
kevinw@2206:   fi
kevinw@2206: 
kevinw@2206:   # Setup some hard coded includes
kevinw@2206:   CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
kevinw@2206:       -I${JDK_OUTPUTDIR}/include \
kevinw@2206:       -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
kevinw@2206:       -I${JDK_TOPDIR}/src/share/javavm/export \
kevinw@2206:       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \
kevinw@2206:       -I${JDK_TOPDIR}/src/share/native/common \
kevinw@2206:       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
kevinw@2206: 
kevinw@2206:   # The shared libraries are compiled using the picflag.
kevinw@2206:   CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
kevinw@2206:   CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
kevinw@2206: 
kevinw@2206:   # Executable flags
alvdavi@2496:   CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK $PIEFLAG"
alvdavi@2496:   CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PIEFLAG"
kevinw@2206: 
kevinw@2206:   AC_SUBST(CFLAGS_JDKLIB)
kevinw@2206:   AC_SUBST(CFLAGS_JDKEXE)
kevinw@2206:   AC_SUBST(CXXFLAGS_JDKLIB)
kevinw@2206:   AC_SUBST(CXXFLAGS_JDKEXE)
kevinw@2206: 
kevinw@2206:   # Setup LDFLAGS et al.
kevinw@2206:   #
kevinw@2206:   # Now this is odd. The JDK native libraries have to link against libjvm.so
kevinw@2206:   # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
kevinw@2206:   # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
kevinw@2206:   # is identical for client and server? Yes. Which is picked at runtime (client or server)?
kevinw@2206:   # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
kevinw@2206:   # libraries will link to whatever is in memory. Yuck.
kevinw@2206:   #
kevinw@2206:   # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
kevinw@2206:   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
kevinw@2206:     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
kevinw@2206:       LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
kevinw@2206:     fi
kevinw@2206:     # TODO: make -debug optional "--disable-full-debug-symbols"
kevinw@2206:     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
kevinw@2206:     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
kevinw@2206:     LDFLAGS_JDKLIB_SUFFIX=""
kevinw@2206:     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
kevinw@2206:       LDFLAGS_STACK_SIZE=1048576
kevinw@2206:     else
kevinw@2206:       LDFLAGS_STACK_SIZE=327680
kevinw@2206:     fi
kevinw@2206:     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
kevinw@2206:   else
kevinw@2206:     if test "x$TOOLCHAIN_TYPE" = xgcc; then
kevinw@2206:       # If this is a --hash-style=gnu system, use --hash-style=both, why?
kevinw@2206:       # We have previously set HAS_GNU_HASH if this is the case
kevinw@2206:       if test -n "$HAS_GNU_HASH"; then
kevinw@2206:         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
kevinw@2206:       fi
kevinw@2206:       if test "x$OPENJDK_TARGET_OS" = xlinux; then
dbuck@2226:         # And since we now know that the linker is gnu, then add:
dbuck@2226:         #   -z defs, to forbid undefined symbols in object files
dbuck@2226:         #   -z noexecstack, to mark stack regions as non-executable
dbuck@2226:         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs -Xlinker -z -Xlinker noexecstack"
kevinw@2206:         if test "x$DEBUG_LEVEL" = "xrelease"; then
kevinw@2206:           # When building release libraries, tell the linker optimize them.
kevinw@2206:           # Should this be supplied to the OSS linker as well?
kevinw@2206:           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
kevinw@2206:         fi
kevinw@2206:       fi
kevinw@2206:     fi
kevinw@2206: 
kevinw@2206:     if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:       LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
kevinw@2206:       LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
kevinw@2206:     fi
kevinw@2206: 
kevinw@2206:     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
kevinw@2206:         -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
kevinw@2206: 
kevinw@2206:     # On some platforms (mac) the linker warns about non existing -L dirs.
kevinw@2206:     # Add server first if available. Linking aginst client does not always produce the same results.
kevinw@2206:     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
kevinw@2206:     # Default to server for other variants.
kevinw@2206:     if test "x$JVM_VARIANT_SERVER" = xtrue; then
kevinw@2206:       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
kevinw@2206:     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
kevinw@2206:       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
kevinw@2206:     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
kevinw@2206:       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
kevinw@2206:     else
kevinw@2206:       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
kevinw@2206:     fi
kevinw@2206: 
kevinw@2206:     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
kevinw@2206:     if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
kevinw@2206:       LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
kevinw@2206:     fi
kevinw@2206: 
kevinw@2206:     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
kevinw@2206:     if test "x$OPENJDK_TARGET_OS" = xlinux; then
kevinw@2206:       LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
kevinw@2206:     fi
alvdavi@2496:     if test "x$TOOLCHAIN_TYPE" = xgcc; then
alvdavi@2497:       # Enabling pie on 32 bit builds prevents the JVM from allocating a continuous
alvdavi@2497:       # java heap.
alvdavi@2497:       if test "x$OPENJDK_TARGET_CPU_BITS" != "x32"; then
alvdavi@2497:         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -pie"
alvdavi@2497:       fi
alvdavi@2496:     fi
kevinw@2206:   fi
kevinw@2206:   AC_SUBST(LDFLAGS_JDKLIB)
kevinw@2206:   AC_SUBST(LDFLAGS_JDKEXE)
kevinw@2206:   AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
kevinw@2206:   AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
kevinw@2206:   AC_SUBST(LDFLAGS_CXX_JDK)
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: 
kevinw@2206: # FLAGS_C_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
kevinw@2206: #                                  [RUN-IF-FALSE])
kevinw@2206: # ------------------------------------------------------------
kevinw@2206: # Check that the C compiler supports an argument
kevinw@2206: AC_DEFUN([FLAGS_C_COMPILER_CHECK_ARGUMENTS],
kevinw@2206: [
kevinw@2206:   AC_MSG_CHECKING([if the C compiler supports "$1"])
kevinw@2206:   supports=yes
kevinw@2206: 
kevinw@2206:   saved_cflags="$CFLAGS"
kevinw@2206:   CFLAGS="$CFLAGS $1"
kevinw@2206:   AC_LANG_PUSH([C])
kevinw@2206:   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
kevinw@2206:       [supports=no])
kevinw@2206:   AC_LANG_POP([C])
kevinw@2206:   CFLAGS="$saved_cflags"
kevinw@2206: 
kevinw@2206:   AC_MSG_RESULT([$supports])
kevinw@2206:   if test "x$supports" = "xyes" ; then
kevinw@2206:     m4_ifval([$2], [$2], [:])
kevinw@2206:   else
kevinw@2206:     m4_ifval([$3], [$3], [:])
kevinw@2206:   fi
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
kevinw@2206: #                                    [RUN-IF-FALSE])
kevinw@2206: # ------------------------------------------------------------
kevinw@2206: # Check that the C++ compiler supports an argument
kevinw@2206: AC_DEFUN([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],
kevinw@2206: [
kevinw@2206:   AC_MSG_CHECKING([if the C++ compiler supports "$1"])
kevinw@2206:   supports=yes
kevinw@2206: 
kevinw@2206:   saved_cxxflags="$CXXFLAGS"
kevinw@2206:   CXXFLAGS="$CXXFLAG $1"
kevinw@2206:   AC_LANG_PUSH([C++])
kevinw@2206:   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
kevinw@2206:       [supports=no])
kevinw@2206:   AC_LANG_POP([C++])
kevinw@2206:   CXXFLAGS="$saved_cxxflags"
kevinw@2206:   
kevinw@2206:   AC_MSG_RESULT([$supports])
kevinw@2206:   if test "x$supports" = "xyes" ; then
kevinw@2206:     m4_ifval([$2], [$2], [:])
kevinw@2206:   else
kevinw@2206:     m4_ifval([$3], [$3], [:])
kevinw@2206:   fi
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
kevinw@2206: #                                [RUN-IF-FALSE])
kevinw@2206: # ------------------------------------------------------------
kevinw@2206: # Check that the C and C++ compilers support an argument
kevinw@2206: AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS],
kevinw@2206: [
kevinw@2206:   FLAGS_C_COMPILER_CHECK_ARGUMENTS([$1],
kevinw@2206:                        [C_COMP_SUPPORTS="yes"],
kevinw@2206:                        [C_COMP_SUPPORTS="no"])
kevinw@2206:   FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([$1],
kevinw@2206:                      [CXX_COMP_SUPPORTS="yes"],
kevinw@2206:                      [CXX_COMP_SUPPORTS="no"])
kevinw@2206: 
kevinw@2206:   AC_MSG_CHECKING([if both compilers support "$1"])
kevinw@2206:   supports=no
kevinw@2206:   if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
kevinw@2206:   
kevinw@2206:   AC_MSG_RESULT([$supports])
kevinw@2206:   if test "x$supports" = "xyes" ; then
kevinw@2206:     m4_ifval([$2], [$2], [:])
kevinw@2206:   else
kevinw@2206:     m4_ifval([$3], [$3], [:])
kevinw@2206:   fi
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
kevinw@2206: [
kevinw@2206:   # Some Zero and Shark settings.
kevinw@2206:   # ZERO_ARCHFLAG tells the compiler which mode to build for
kevinw@2206:   case "${OPENJDK_TARGET_CPU}" in
kevinw@2206:     s390)
kevinw@2206:       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
kevinw@2206:       ;;
kevinw@2206:     *)
kevinw@2206:       ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
kevinw@2206:   esac
kevinw@2206:   FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
kevinw@2206:   AC_SUBST(ZERO_ARCHFLAG)
kevinw@2206: 
kevinw@2206:   # Check that the compiler supports -mX (or -qX on AIX) flags
kevinw@2206:   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
kevinw@2206:   FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
kevinw@2206:       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
kevinw@2206:       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
kevinw@2206:   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
kevinw@2206: ])
kevinw@2206: 
kevinw@2206: AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
kevinw@2206: [
kevinw@2206:   # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
kevinw@2206:   # runs afoul of the more aggressive versions of these optimisations.
kevinw@2206:   # Notably, value range propagation now assumes that the this pointer of C++
kevinw@2206:   # member functions is non-null.
kevinw@2206:   NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
kevinw@2206:   FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
kevinw@2206:                                      [], [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
kevinw@2206:   AC_SUBST([NO_DELETE_NULL_POINTER_CHECKS_CFLAG])
kevinw@2206:   NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
kevinw@2206:   FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_LIFETIME_DSE_CFLAG -Werror],
kevinw@2206:                                      [], [NO_LIFETIME_DSE_CFLAG=""])
kevinw@2206:   CFLAGS_JDK="${CFLAGS_JDK} ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
kevinw@2206:   AC_SUBST([NO_LIFETIME_DSE_CFLAG])
kevinw@2206: ])
kevinw@2206: