diff -r 54eb4c29ece4 -r 7ba4e17574e0 common/autoconf/flags.m4 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/common/autoconf/flags.m4 Thu Apr 05 07:59:52 2018 -0700 @@ -0,0 +1,767 @@ +# +# 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).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ + -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ + -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ + -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" + fi + AC_SUBST(RC_FLAGS) + + if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then + # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX. + CCXXFLAGS="$CCXXFLAGS -nologo" + fi +]) + +AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], +[ + ############################################################################### + # + # How to compile shared libraries. + # + + if test "x$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 + if test "x$TOOLCHAIN_TYPE" = xgcc; then + if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then + CFLAGS_DEBUG_SYMBOLS="-g1" + CXXFLAGS_DEBUG_SYMBOLS="-g1" + else + CFLAGS_DEBUG_SYMBOLS="-g" + CXXFLAGS_DEBUG_SYMBOLS="-g" + fi + elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then + CFLAGS_DEBUG_SYMBOLS="-g -xs" + CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" + elif test "x$TOOLCHAIN_TYPE" = xxlc; then + CFLAGS_DEBUG_SYMBOLS="-g" + CXXFLAGS_DEBUG_SYMBOLS="-g" + fi + AC_SUBST(CFLAGS_DEBUG_SYMBOLS) + AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) + + # Optimization levels + if test "x$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 + $2CXXSTD_CXXFLAG="-std=gnu++98" + FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]$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} $with_extra_ldflags" + + # Hotspot needs these set in their legacy form + LEGACY_EXTRA_CFLAGS=$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. + # + + # 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 + ;; + * ) + 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 $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ + -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \ + -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ + -DWIN32 -DIAL" + if test "x$OPENJDK_TARGET_CPU" = xx86_64; then + CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64" + else + CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86" + fi + 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="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN" + fi + else + CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN" + 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$OPENJDK_TARGET_OS" = xlinux; then + # And since we now know that the linker is gnu, then add -z defs, to forbid + # undefined symbols in object files. + LDFLAGS_JDK="${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 + + 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]) +]) +