flags.m4 revision 1886:f382e4228537
195719Sbenno# 295719Sbenno# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 395719Sbenno# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4139825Simp# 595719Sbenno# This code is free software; you can redistribute it and/or modify it 695719Sbenno# under the terms of the GNU General Public License version 2 only, as 795719Sbenno# published by the Free Software Foundation. Oracle designates this 895719Sbenno# particular file as subject to the "Classpath" exception as provided 995719Sbenno# by Oracle in the LICENSE file that accompanied this code. 1095719Sbenno# 1195719Sbenno# This code is distributed in the hope that it will be useful, but WITHOUT 1295719Sbenno# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1395719Sbenno# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1495719Sbenno# version 2 for more details (a copy is included in the LICENSE file that 1595719Sbenno# accompanied this code). 1695719Sbenno# 1795719Sbenno# You should have received a copy of the GNU General Public License version 1895719Sbenno# 2 along with this work; if not, write to the Free Software Foundation, 1995719Sbenno# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2095719Sbenno# 2195719Sbenno# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2295719Sbenno# or visit www.oracle.com if you need additional information or have any 2395719Sbenno# questions. 2495719Sbenno# 2595719Sbenno 2695719Sbenno# Reset the global CFLAGS/LDFLAGS variables and initialize them with the 2795719Sbenno# corresponding configure arguments instead 2895719SbennoAC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 2995719Sbenno[ 3095719Sbenno if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 3195719Sbenno AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 3295719Sbenno fi 3395719Sbenno 3495719Sbenno if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 3595719Sbenno AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 3695719Sbenno fi 3795719Sbenno 3895719Sbenno if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 3995719Sbenno AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 4095719Sbenno fi 4195719Sbenno 4295719Sbenno AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 43125441Sgrehan [extra flags to be used when compiling jdk c-files])]) 4495719Sbenno 45125441Sgrehan AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 46125441Sgrehan [extra flags to be used when compiling jdk c++-files])]) 47125441Sgrehan 48125441Sgrehan AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 49125441Sgrehan [extra flags to be used when linking jdk])]) 50125441Sgrehan 51125441Sgrehan EXTRA_CFLAGS="$with_extra_cflags" 52125441Sgrehan EXTRA_CXXFLAGS="$with_extra_cxxflags" 53125441Sgrehan EXTRA_LDFLAGS="$with_extra_ldflags" 54125441Sgrehan 55125441Sgrehan # Hotspot needs these set in their legacy form 56125441Sgrehan LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS" 57125441Sgrehan LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS" 58125441Sgrehan LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS" 59125441Sgrehan 60125441Sgrehan AC_SUBST(LEGACY_EXTRA_CFLAGS) 6195719Sbenno AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 6295719Sbenno AC_SUBST(LEGACY_EXTRA_LDFLAGS) 63125441Sgrehan 6495719Sbenno # The global CFLAGS and LDLAGS variables are used by configure tests and 65125441Sgrehan # should include the extra parameters 66125441Sgrehan CFLAGS="$EXTRA_CFLAGS" 67125441Sgrehan CXXFLAGS="$EXTRA_CXXFLAGS" 68125441Sgrehan LDFLAGS="$EXTRA_LDFLAGS" 69125441Sgrehan CPPFLAGS="" 7095719Sbenno]) 7195719Sbenno 72125441Sgrehan# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 7395719Sbenno# that configure can use them while detecting compilers. 74125441Sgrehan# TOOLCHAIN_TYPE is available here. 75125441Sgrehan# Param 1 - Optional prefix to all variables. (e.g BUILD_) 76125441SgrehanAC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 77125441Sgrehan[ 7895719Sbenno if test "x[$]$1SYSROOT" != "x"; then 79125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 80125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xsolaris; then 81125441Sgrehan # Solaris Studio does not have a concept of sysroot. Instead we must 82125441Sgrehan # make sure the default include and lib dirs are appended to each 83125441Sgrehan # compile and link command line. 84125441Sgrehan $1SYSROOT_CFLAGS="-I[$]$1SYSROOT/usr/include" 85125441Sgrehan $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 86125441Sgrehan -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 87125441Sgrehan -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 88125441Sgrehan fi 89125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xgcc; then 90125441Sgrehan $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 91125441Sgrehan $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 92125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xclang; then 93125441Sgrehan $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 94125441Sgrehan $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 95125441Sgrehan fi 96125441Sgrehan # Propagate the sysroot args to hotspot 97125441Sgrehan $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 98125441Sgrehan $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 99125441Sgrehan $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 100125441Sgrehan # The global CFLAGS and LDFLAGS variables need these for configure to function 101125441Sgrehan $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 102125441Sgrehan $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 103125441Sgrehan $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 104125441Sgrehan $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 105125441Sgrehan fi 106125441Sgrehan 107125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xmacosx; then 108125441Sgrehan # We also need -iframework<path>/System/Library/Frameworks 109125441Sgrehan $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 110125441Sgrehan $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 111125441Sgrehan # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 112125441Sgrehan # set this here so it doesn't have to be peppered throughout the forest 113125441Sgrehan $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 114125441Sgrehan $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 115125441Sgrehan fi 116125441Sgrehan 117125441Sgrehan AC_SUBST($1SYSROOT_CFLAGS) 118125441Sgrehan AC_SUBST($1SYSROOT_LDFLAGS) 119125441Sgrehan]) 120125441Sgrehan 121125441SgrehanAC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 122125441Sgrehan[ 123125441Sgrehan # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 124125441Sgrehan # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 125125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xxlc; then 126125441Sgrehan COMPILER_TARGET_BITS_FLAG="-q" 127125441Sgrehan COMPILER_COMMAND_FILE_FLAG="-f" 128125441Sgrehan else 129125441Sgrehan COMPILER_TARGET_BITS_FLAG="-m" 130125441Sgrehan COMPILER_COMMAND_FILE_FLAG="@" 131125441Sgrehan 132125441Sgrehan # The solstudio linker does not support @-files. 133125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 134125441Sgrehan COMPILER_COMMAND_FILE_FLAG= 135125441Sgrehan fi 136125441Sgrehan 137125441Sgrehan # Check if @file is supported by gcc 138125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xgcc; then 139125441Sgrehan AC_MSG_CHECKING([if @file is supported by gcc]) 140125441Sgrehan # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument 141125441Sgrehan $ECHO "" "--version" > command.file 142125441Sgrehan if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 143125441Sgrehan AC_MSG_RESULT(yes) 144125441Sgrehan COMPILER_COMMAND_FILE_FLAG="@" 145125441Sgrehan else 146125441Sgrehan AC_MSG_RESULT(no) 147125441Sgrehan COMPILER_COMMAND_FILE_FLAG= 148125441Sgrehan fi 149125441Sgrehan rm -rf command.file 150125441Sgrehan fi 151125441Sgrehan fi 152125441Sgrehan AC_SUBST(COMPILER_TARGET_BITS_FLAG) 153125441Sgrehan AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 154125441Sgrehan 155125441Sgrehan # FIXME: figure out if we should select AR flags depending on OS or toolchain. 156125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xmacosx; then 157125441Sgrehan ARFLAGS="-r" 15895719Sbenno elif test "x$OPENJDK_TARGET_OS" = xaix; then 159125441Sgrehan ARFLAGS="-X64" 160125441Sgrehan elif test "x$OPENJDK_TARGET_OS" = xwindows; then 161125441Sgrehan # lib.exe is used as AR to create static libraries. 162125441Sgrehan ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 163125441Sgrehan else 164125441Sgrehan ARFLAGS="" 165125441Sgrehan fi 166125441Sgrehan AC_SUBST(ARFLAGS) 167125441Sgrehan 168125441Sgrehan ## Setup strip. 169125441Sgrehan # FIXME: should this really be per platform, or should it be per toolchain type? 170125441Sgrehan # strip is not provided by clang or solstudio; so guessing platform makes most sense. 171125441Sgrehan # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 172125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xlinux; then 173125441Sgrehan STRIPFLAGS="-g" 174125441Sgrehan elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 175125441Sgrehan STRIPFLAGS="-x" 176125441Sgrehan elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 177125441Sgrehan STRIPFLAGS="-S" 178125441Sgrehan elif test "x$OPENJDK_TARGET_OS" = xaix; then 179125441Sgrehan STRIPFLAGS="-X32_64" 180125441Sgrehan fi 181125441Sgrehan 182125441Sgrehan AC_SUBST(STRIPFLAGS) 183125441Sgrehan 184125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 185125441Sgrehan CC_OUT_OPTION=-Fo 186125441Sgrehan EXE_OUT_OPTION=-out: 187125441Sgrehan LD_OUT_OPTION=-out: 188125441Sgrehan AR_OUT_OPTION=-out: 189125441Sgrehan else 190125441Sgrehan # The option used to specify the target .o,.a or .so file. 191125441Sgrehan # When compiling, how to specify the to be created object file. 192125441Sgrehan CC_OUT_OPTION='-o$(SPACE)' 193125441Sgrehan # When linking, how to specify the to be created executable. 194125441Sgrehan EXE_OUT_OPTION='-o$(SPACE)' 195125441Sgrehan # When linking, how to specify the to be created dynamically linkable library. 196125441Sgrehan LD_OUT_OPTION='-o$(SPACE)' 197125441Sgrehan # When archiving, how to specify the to be create static archive for object files. 198125441Sgrehan AR_OUT_OPTION='rcs$(SPACE)' 199125441Sgrehan fi 200125441Sgrehan AC_SUBST(CC_OUT_OPTION) 201125441Sgrehan AC_SUBST(EXE_OUT_OPTION) 202125441Sgrehan AC_SUBST(LD_OUT_OPTION) 203125441Sgrehan AC_SUBST(AR_OUT_OPTION) 204125441Sgrehan 205125441Sgrehan # On Windows, we need to set RC flags. 206125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 207125441Sgrehan RC_FLAGS="-nologo -l0x409" 208125441Sgrehan if test "x$VARIANT" = xOPT; then 209125441Sgrehan RC_FLAGS="$RC_FLAGS -DNDEBUG" 210125441Sgrehan fi 211125441Sgrehan 212125441Sgrehan # The version variables used to create RC_FLAGS may be overridden 213125441Sgrehan # in a custom configure script, or possibly the command line. 214125441Sgrehan # Let those variables be expanded at make time in spec.gmk. 215125441Sgrehan # The \$ are escaped to the shell, and the $(...) variables 216125441Sgrehan # are evaluated by make. 217125441Sgrehan RC_FLAGS="$RC_FLAGS \ 218125441Sgrehan -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 219125441Sgrehan -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 220125441Sgrehan -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 221125441Sgrehan -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 222125441Sgrehan -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 223125441Sgrehan -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 224125441Sgrehan -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 225125441Sgrehan fi 226125441Sgrehan AC_SUBST(RC_FLAGS) 227125441Sgrehan 228125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 229125441Sgrehan # silence copyright notice and other headers. 23095719Sbenno COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 231132571Sgrehan fi 23295719Sbenno]) 233132571Sgrehan 234132571SgrehanAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 235132571Sgrehan[ 236132571Sgrehan ############################################################################### 237132571Sgrehan # 238132571Sgrehan # How to compile shared libraries. 239132571Sgrehan # 240132571Sgrehan 24195719Sbenno if test "x$TOOLCHAIN_TYPE" = xgcc; then 242125441Sgrehan PICFLAG="-fPIC" 24395719Sbenno C_FLAG_REORDER='' 24495719Sbenno CXX_FLAG_REORDER='' 24596773Sbenno 24696773Sbenno if test "x$OPENJDK_TARGET_OS" = xmacosx; then 247125441Sgrehan # Linking is different on MacOSX 248125441Sgrehan if test "x$STATIC_BUILD" = xtrue; then 249125441Sgrehan SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 250125441Sgrehan else 251125441Sgrehan SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 252125441Sgrehan fi 253125441Sgrehan SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 254125441Sgrehan SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 255125441Sgrehan SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 25695719Sbenno SET_SHARED_LIBRARY_MAPFILE='' 257125441Sgrehan else 258125441Sgrehan # Default works for linux, might work on other platforms as well. 259125441Sgrehan SHARED_LIBRARY_FLAGS='-shared' 26096773Sbenno SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 26195719Sbenno SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 26295719Sbenno SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 26395719Sbenno SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 26495719Sbenno fi 26596773Sbenno elif test "x$TOOLCHAIN_TYPE" = xclang; then 26696773Sbenno C_FLAG_REORDER='' 267125441Sgrehan CXX_FLAG_REORDER='' 268125441Sgrehan 269125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xmacosx; then 270125441Sgrehan # Linking is different on MacOSX 271125441Sgrehan PICFLAG='' 272125441Sgrehan SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 273125441Sgrehan SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 274125441Sgrehan SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 275125441Sgrehan SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 276125441Sgrehan SET_SHARED_LIBRARY_MAPFILE='' 277125441Sgrehan else 278125441Sgrehan # Default works for linux, might work on other platforms as well. 279125441Sgrehan PICFLAG='-fPIC' 28095719Sbenno SHARED_LIBRARY_FLAGS='-shared' 281125441Sgrehan SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 282125441Sgrehan SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 283125441Sgrehan SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 28496773Sbenno SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 28595719Sbenno fi 28695719Sbenno elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 28795719Sbenno PICFLAG="-KPIC" 28895719Sbenno C_FLAG_REORDER='-xF' 28995719Sbenno CXX_FLAG_REORDER='-xF' 29095719Sbenno SHARED_LIBRARY_FLAGS="-G" 29196773Sbenno SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 29296773Sbenno SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 293125441Sgrehan SET_SHARED_LIBRARY_NAME='-h [$]1' 294125441Sgrehan SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 295125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xxlc; then 296125441Sgrehan PICFLAG="-qpic=large" 297125441Sgrehan C_FLAG_REORDER='' 298125441Sgrehan CXX_FLAG_REORDER='' 299125441Sgrehan SHARED_LIBRARY_FLAGS="-qmkshrobj" 300125441Sgrehan SET_EXECUTABLE_ORIGIN="" 301125441Sgrehan SET_SHARED_LIBRARY_ORIGIN='' 302125441Sgrehan SET_SHARED_LIBRARY_NAME='' 303125441Sgrehan SET_SHARED_LIBRARY_MAPFILE='' 304125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 305125441Sgrehan PICFLAG="" 306125441Sgrehan C_FLAG_REORDER='' 307125441Sgrehan CXX_FLAG_REORDER='' 30895719Sbenno SHARED_LIBRARY_FLAGS="-dll" 30995719Sbenno SET_EXECUTABLE_ORIGIN='' 310125441Sgrehan SET_SHARED_LIBRARY_ORIGIN='' 311125441Sgrehan SET_SHARED_LIBRARY_NAME='' 312125441Sgrehan SET_SHARED_LIBRARY_MAPFILE='' 313125441Sgrehan fi 31495719Sbenno 31595719Sbenno AC_SUBST(C_FLAG_REORDER) 316125441Sgrehan AC_SUBST(CXX_FLAG_REORDER) 31795719Sbenno AC_SUBST(SET_EXECUTABLE_ORIGIN) 318125441Sgrehan AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 319125441Sgrehan AC_SUBST(SET_SHARED_LIBRARY_NAME) 32095719Sbenno AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 321125441Sgrehan AC_SUBST(SHARED_LIBRARY_FLAGS) 322125441Sgrehan 32395719Sbenno if test "x$OPENJDK_TARGET_OS" = xsolaris; then 32495719Sbenno CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 325125441Sgrehan CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 326125441Sgrehan CFLAGS_JDKLIB_EXTRA='-xstrconst' 32795719Sbenno fi 328125441Sgrehan # The (cross) compiler is now configured, we can now test capabilities 329125441Sgrehan # of the target platform. 330125441Sgrehan]) 331125441Sgrehan 332125441Sgrehan# Documentation on common flags used for solstudio in HIGHEST. 333125441Sgrehan# 334125441Sgrehan# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 335125441Sgrehan# done with care, there are some assumptions below that need to 336125441Sgrehan# be understood about the use of pointers, and IEEE behavior. 337125441Sgrehan# 33895719Sbenno# -fns: Use non-standard floating point mode (not IEEE 754) 33995719Sbenno# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 340125441Sgrehan# -fsingle: Use single precision floating point with 'float' 341125441Sgrehan# -xalias_level=basic: Assume memory references via basic pointer types do not alias 34296773Sbenno# (Source with excessing pointer casting and data access with mixed 34395719Sbenno# pointer types are not recommended) 34495719Sbenno# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 34595719Sbenno# (If you expect perfect errno behavior, do not use this) 34695719Sbenno# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 34795719Sbenno# -xrestrict: Pointer parameters to functions do not overlap 348125441Sgrehan# (Similar to -xalias_level=basic usage, but less obvious sometimes. 349125441Sgrehan# If you pass in multiple pointers to the same data, do not use this) 350125441Sgrehan# -xlibmil: Inline some library routines 351125441Sgrehan# (If you expect perfect errno behavior, do not use this) 352125441Sgrehan# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 353125441Sgrehan# (If you expect perfect errno behavior, do not use this) 354125441Sgrehan# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 355125441Sgrehan 356125441Sgrehan # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 357125441Sgrehan # Bug? 358125441Sgrehan #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 359125441Sgrehan # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 360125441Sgrehan # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 361125441Sgrehan #fi 362132571Sgrehan 363132571SgrehanAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 364132571Sgrehan[ 365132571Sgrehan 366132571Sgrehan ############################################################################### 367132571Sgrehan # 368132571Sgrehan # Setup the opt flags for different compilers 369132571Sgrehan # and different operating systems. 370132571Sgrehan # 371132571Sgrehan 372132571Sgrehan # FIXME: this was indirectly the old default, but just inherited. 373132571Sgrehan # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 374132571Sgrehan # C_FLAG_DEPS="-MMD -MF" 375132571Sgrehan # fi 376132683Sgrehan 377132683Sgrehan # Generate make dependency files 378132683Sgrehan if test "x$TOOLCHAIN_TYPE" = xgcc; then 379132683Sgrehan C_FLAG_DEPS="-MMD -MF" 380132571Sgrehan elif test "x$TOOLCHAIN_TYPE" = xclang; then 381132571Sgrehan C_FLAG_DEPS="-MMD -MF" 382132571Sgrehan elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 383132571Sgrehan C_FLAG_DEPS="-xMMD -xMF" 384132571Sgrehan elif test "x$TOOLCHAIN_TYPE" = xxlc; then 385132571Sgrehan C_FLAG_DEPS="-qmakedep=gcc -MF" 386132571Sgrehan fi 387132571Sgrehan CXX_FLAG_DEPS="$C_FLAG_DEPS" 388132571Sgrehan AC_SUBST(C_FLAG_DEPS) 389132571Sgrehan AC_SUBST(CXX_FLAG_DEPS) 390132571Sgrehan 391132571Sgrehan # Debug symbols 392132571Sgrehan if test "x$TOOLCHAIN_TYPE" = xgcc; then 393125441Sgrehan if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 39495719Sbenno # reduce from default "-g2" option to save space 39595719Sbenno CFLAGS_DEBUG_SYMBOLS="-g1" 396125441Sgrehan CXXFLAGS_DEBUG_SYMBOLS="-g1" 397125441Sgrehan else 398125441Sgrehan CFLAGS_DEBUG_SYMBOLS="-g" 39995719Sbenno CXXFLAGS_DEBUG_SYMBOLS="-g" 400125441Sgrehan fi 401125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xclang; then 402125441Sgrehan CFLAGS_DEBUG_SYMBOLS="-g" 403125441Sgrehan CXXFLAGS_DEBUG_SYMBOLS="-g" 404125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 405125441Sgrehan CFLAGS_DEBUG_SYMBOLS="-g -xs" 40695719Sbenno # -g0 enables debug symbols without disabling inlining. 40795719Sbenno CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 40895719Sbenno elif test "x$TOOLCHAIN_TYPE" = xxlc; then 40995719Sbenno CFLAGS_DEBUG_SYMBOLS="-g" 410125441Sgrehan CXXFLAGS_DEBUG_SYMBOLS="-g" 411125441Sgrehan fi 41299032Sbenno AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 41395719Sbenno AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 414125441Sgrehan 41599032Sbenno # bounds, memory and behavior checking options 416132075Sgrehan if test "x$TOOLCHAIN_TYPE" = xgcc; then 41796773Sbenno case $DEBUG_LEVEL in 41899032Sbenno release ) 41995719Sbenno # no adjustment 420125441Sgrehan ;; 421125441Sgrehan fastdebug ) 422125441Sgrehan # no adjustment 42395719Sbenno ;; 424125441Sgrehan slowdebug ) 425125441Sgrehan # Add runtime stack smashing and undefined behavior checks. 426125441Sgrehan # Not all versions of gcc support -fstack-protector 42799032Sbenno STACK_PROTECTOR_CFLAG="-fstack-protector-all" 428125441Sgrehan FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG], IF_FALSE: [STACK_PROTECTOR_CFLAG=""]) 429125441Sgrehan 430125441Sgrehan CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 431125441Sgrehan CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 432125441Sgrehan ;; 433125441Sgrehan esac 43495719Sbenno fi 435125441Sgrehan 436125441Sgrehan # Optimization levels 437125441Sgrehan if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 43899032Sbenno CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 439125441Sgrehan 440103608Sgrehan if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 44199032Sbenno # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 44295719Sbenno C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 443125441Sgrehan C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 44495719Sbenno C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 44595719Sbenno C_O_FLAG_DEBUG="-xregs=no%frameptr" 446132075Sgrehan C_O_FLAG_NONE="-xregs=no%frameptr" 44795719Sbenno CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 448132075Sgrehan CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 44995719Sbenno CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 450132075Sgrehan CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 451132075Sgrehan CXX_O_FLAG_NONE="-xregs=no%frameptr" 452125441Sgrehan if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 453125441Sgrehan C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 454125441Sgrehan CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 455125441Sgrehan fi 456125441Sgrehan elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 45795719Sbenno C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 458125441Sgrehan C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 459132075Sgrehan C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 460132075Sgrehan C_O_FLAG_DEBUG="" 461132075Sgrehan C_O_FLAG_NONE="" 462132075Sgrehan CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 463125441Sgrehan CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 464125441Sgrehan CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 465125441Sgrehan C_O_FLAG_DEBUG="" 466125441Sgrehan CXX_O_FLAG_NONE="" 467125441Sgrehan fi 46895719Sbenno else 46995719Sbenno # The remaining toolchains share opt flags between CC and CXX; 470132075Sgrehan # setup for C and duplicate afterwards. 47195719Sbenno if test "x$TOOLCHAIN_TYPE" = xgcc; then 472132075Sgrehan if test "x$OPENJDK_TARGET_OS" = xmacosx; then 473132075Sgrehan # On MacOSX we optimize for size, something 47495719Sbenno # we should do for all platforms? 475125441Sgrehan C_O_FLAG_HIGHEST="-Os" 476132075Sgrehan C_O_FLAG_HI="-Os" 477125441Sgrehan C_O_FLAG_NORM="-Os" 478132075Sgrehan else 479132075Sgrehan C_O_FLAG_HIGHEST="-O3" 480125441Sgrehan C_O_FLAG_HI="-O3" 481125441Sgrehan C_O_FLAG_NORM="-O2" 482132075Sgrehan fi 483132075Sgrehan C_O_FLAG_DEBUG="-O0" 484125441Sgrehan C_O_FLAG_NONE="-O0" 485125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xclang; then 486125441Sgrehan if test "x$OPENJDK_TARGET_OS" = xmacosx; then 487125441Sgrehan # On MacOSX we optimize for size, something 488125441Sgrehan # we should do for all platforms? 489125441Sgrehan C_O_FLAG_HIGHEST="-Os" 490125441Sgrehan C_O_FLAG_HI="-Os" 491125441Sgrehan C_O_FLAG_NORM="-Os" 492132075Sgrehan else 493125441Sgrehan C_O_FLAG_HIGHEST="-O3" 494125441Sgrehan C_O_FLAG_HI="-O3" 49595719Sbenno C_O_FLAG_NORM="-O2" 496132075Sgrehan fi 497132075Sgrehan C_O_FLAG_DEBUG="-O0" 49895719Sbenno C_O_FLAG_NONE="-O0" 49995719Sbenno elif test "x$TOOLCHAIN_TYPE" = xxlc; then 50095719Sbenno C_O_FLAG_HIGHEST="-O3" 501132075Sgrehan C_O_FLAG_HI="-O3 -qstrict" 50295719Sbenno C_O_FLAG_NORM="-O2" 503132075Sgrehan C_O_FLAG_DEBUG="-qnoopt" 504132075Sgrehan C_O_FLAG_NONE="-qnoopt" 505125441Sgrehan elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 506125441Sgrehan C_O_FLAG_HIGHEST="-O2" 507125441Sgrehan C_O_FLAG_HI="-O1" 508125441Sgrehan C_O_FLAG_NORM="-O1" 509125441Sgrehan C_O_FLAG_DEBUG="-Od" 510125441Sgrehan C_O_FLAG_NONE="-Od" 511125441Sgrehan fi 512125441Sgrehan CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 513125441Sgrehan CXX_O_FLAG_HI="$C_O_FLAG_HI" 514125441Sgrehan CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 515125441Sgrehan CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 516125441Sgrehan CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 517125441Sgrehan fi 518125441Sgrehan 519125441Sgrehan # Adjust optimization flags according to debug level. 520132075Sgrehan case $DEBUG_LEVEL in 521125441Sgrehan release ) 522132075Sgrehan # no adjustment 523132075Sgrehan ;; 524132075Sgrehan fastdebug ) 525125441Sgrehan # Not quite so much optimization 526132075Sgrehan C_O_FLAG_HI="$C_O_FLAG_NORM" 527132075Sgrehan CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 528132075Sgrehan ;; 529132075Sgrehan slowdebug ) 530132075Sgrehan # Disable optimization 531 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 532 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 533 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 534 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 535 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 536 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 537 ;; 538 esac 539 540 AC_SUBST(C_O_FLAG_HIGHEST) 541 AC_SUBST(C_O_FLAG_HI) 542 AC_SUBST(C_O_FLAG_NORM) 543 AC_SUBST(C_O_FLAG_DEBUG) 544 AC_SUBST(C_O_FLAG_NONE) 545 AC_SUBST(CXX_O_FLAG_HIGHEST) 546 AC_SUBST(CXX_O_FLAG_HI) 547 AC_SUBST(CXX_O_FLAG_NORM) 548 AC_SUBST(CXX_O_FLAG_DEBUG) 549 AC_SUBST(CXX_O_FLAG_NONE) 550]) 551 552AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 553[ 554 # Special extras... 555 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 556 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 557 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 558 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 559 fi 560 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 561 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 562 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 563 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 564 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 565 fi 566 567 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 568 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 569 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 570 571 ############################################################################### 572 # 573 # Now setup the CFLAGS and LDFLAGS for the JDK build. 574 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 575 # 576 577 # Setup compiler/platform specific flags into 578 # CFLAGS_JDK - C Compiler flags 579 # CXXFLAGS_JDK - C++ Compiler flags 580 # COMMON_CCXXFLAGS_JDK - common to C and C++ 581 if test "x$TOOLCHAIN_TYPE" = xgcc; then 582 if test "x$OPENJDK_TARGET_CPU" = xx86; then 583 # Force compatibility with i586 on 32 bit intel platforms. 584 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 585 fi 586 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 587 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 588 case $OPENJDK_TARGET_CPU_ARCH in 589 arm ) 590 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 591 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 592 ;; 593 ppc ) 594 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 595 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 596 ;; 597 * ) 598 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 599 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 600 ;; 601 esac 602 elif test "x$TOOLCHAIN_TYPE" = xclang; then 603 if test "x$OPENJDK_TARGET_OS" = xlinux; then 604 if test "x$OPENJDK_TARGET_CPU" = xx86; then 605 # Force compatibility with i586 on 32 bit intel platforms. 606 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 607 fi 608 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 609 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 610 case $OPENJDK_TARGET_CPU_ARCH in 611 ppc ) 612 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 613 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 614 ;; 615 * ) 616 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 617 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 618 ;; 619 esac 620 fi 621 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 622 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 623 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 624 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 625 fi 626 627 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 628 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 629 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 630 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 631 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 632 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 633 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 634 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 635 -DWIN32_LEAN_AND_MEAN \ 636 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 637 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 638 -DWIN32 -DIAL" 639 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 640 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 641 else 642 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 643 fi 644 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 645 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 646 # studio. 647 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 648 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 649 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 650 fi 651 fi 652 653 ############################################################################### 654 655 # Adjust flags according to debug level. 656 case $DEBUG_LEVEL in 657 fastdebug | slowdebug ) 658 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 659 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 660 JAVAC_FLAGS="$JAVAC_FLAGS -g" 661 ;; 662 release ) 663 ;; 664 * ) 665 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 666 ;; 667 esac 668 669 # Setup LP64 670 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 671 672 # Set some common defines. These works for all compilers, but assume 673 # -D is universally accepted. 674 675 # Setup endianness 676 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 677 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 678 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 679 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 680 # Note: -Dmacro is the same as #define macro 1 681 # -Dmacro= is the same as #define macro 682 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 683 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 684 else 685 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 686 fi 687 else 688 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 689 # are defined in the system? 690 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 691 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 692 else 693 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 694 fi 695 fi 696 697 # Setup target OS define. Use OS target name but in upper case. 698 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 699 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 700 701 # Setup target CPU 702 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 703 704 # Setup debug/release defines 705 if test "x$DEBUG_LEVEL" = xrelease; then 706 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 707 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 708 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 709 fi 710 else 711 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 712 fi 713 714 # Set some additional per-OS defines. 715 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 716 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 717 elif test "x$OPENJDK_TARGET_OS" = xaix; then 718 # FIXME: PPC64 should not be here. 719 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 720 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 721 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 722 fi 723 724 # Additional macosx handling 725 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 726 # Setting these parameters makes it an error to link to macosx APIs that are 727 # newer than the given OS version and makes the linked binaries compatible 728 # even if built on a newer version of the OS. 729 # The expected format is X.Y.Z 730 MACOSX_VERSION_MIN=10.7.0 731 AC_SUBST(MACOSX_VERSION_MIN) 732 733 # The macro takes the version with no dots, ex: 1070 734 # Let the flags variables get resolved in make for easier override on make 735 # command line. 736 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 737 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 738 fi 739 740 # Setup some hard coded includes 741 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 742 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 743 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 744 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include \ 745 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 746 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava" 747 748 # The shared libraries are compiled using the picflag. 749 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 750 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 751 752 # Executable flags 753 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 754 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 755 756 AC_SUBST(CFLAGS_JDKLIB) 757 AC_SUBST(CFLAGS_JDKEXE) 758 AC_SUBST(CXXFLAGS_JDKLIB) 759 AC_SUBST(CXXFLAGS_JDKEXE) 760 761 # Flags for compiling test libraries 762 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 763 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 764 765 # Flags for compiling test executables 766 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 767 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 768 769 AC_SUBST(CFLAGS_TESTLIB) 770 AC_SUBST(CFLAGS_TESTEXE) 771 AC_SUBST(CXXFLAGS_TESTLIB) 772 AC_SUBST(CXXFLAGS_TESTEXE) 773 774 # Setup LDFLAGS et al. 775 # 776 777 # Now this is odd. The JDK native libraries have to link against libjvm.so 778 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 779 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 780 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 781 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 782 # libraries will link to whatever is in memory. Yuck. 783 # 784 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 785 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 786 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 787 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 788 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 789 fi 790 # TODO: make -debug optional "--disable-full-debug-symbols" 791 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 792 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 793 # If this is a --hash-style=gnu system, use --hash-style=both, why? 794 # We have previously set HAS_GNU_HASH if this is the case 795 if test -n "$HAS_GNU_HASH"; then 796 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,--hash-style=both" 797 fi 798 if test "x$OPENJDK_TARGET_OS" = xlinux; then 799 # And since we now know that the linker is gnu, then add -z defs, to forbid 800 # undefined symbols in object files. 801 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-z,defs" 802 case $DEBUG_LEVEL in 803 release ) 804 # tell linker to optimize libraries. 805 # Should this be supplied to the OSS linker as well? 806 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-O1" 807 ;; 808 slowdebug ) 809 if test "x$HAS_LINKER_NOW" = "xtrue"; then 810 # do relocations at load 811 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 812 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 813 fi 814 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 815 # mark relocations read only 816 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 817 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 818 fi 819 ;; 820 fastdebug ) 821 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 822 # mark relocations read only 823 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 824 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 825 fi 826 ;; 827 * ) 828 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 829 ;; 830 esac 831 fi 832 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 833 LDFLAGS_JDK="$LDFLAGS_JDK -Wl,-z,defs -xildoff -ztext" 834 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 835 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 836 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -bexpall -bernotok" 837 fi 838 839 # Customize LDFLAGS for executables 840 841 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 842 843 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 844 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 845 LDFLAGS_STACK_SIZE=1048576 846 else 847 LDFLAGS_STACK_SIZE=327680 848 fi 849 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 850 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 851 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 852 fi 853 854 # Customize LDFLAGS for libs 855 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 856 857 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 858 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 859 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 860 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 861 JDKLIB_LIBS="" 862 else 863 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 864 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 865 866 # On some platforms (mac) the linker warns about non existing -L dirs. 867 # Add server first if available. Linking aginst client does not always produce the same results. 868 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 869 # Default to server for other variants. 870 if test "x$JVM_VARIANT_SERVER" = xtrue; then 871 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 872 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 873 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 874 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 875 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 876 else 877 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 878 fi 879 880 JDKLIB_LIBS="-ljava -ljvm" 881 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 882 JDKLIB_LIBS="$JDKLIB_LIBS -lc" 883 fi 884 fi 885 886 AC_SUBST(LDFLAGS_JDKLIB) 887 AC_SUBST(LDFLAGS_JDKEXE) 888 AC_SUBST(JDKLIB_LIBS) 889 AC_SUBST(JDKEXE_LIBS) 890 AC_SUBST(LDFLAGS_CXX_JDK) 891 892 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 893 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 894 895 AC_SUBST(LDFLAGS_TESTLIB) 896 AC_SUBST(LDFLAGS_TESTEXE) 897]) 898 899# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 900# IF_FALSE: [RUN-IF-FALSE]) 901# ------------------------------------------------------------ 902# Check that the c and c++ compilers support an argument 903BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 904 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 905[ 906 AC_MSG_CHECKING([if compiler supports "ARG_ARGUMENT"]) 907 supports=yes 908 909 saved_cflags="$CFLAGS" 910 CFLAGS="$CFLAGS ARG_ARGUMENT" 911 AC_LANG_PUSH([C]) 912 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 913 [supports=no]) 914 AC_LANG_POP([C]) 915 CFLAGS="$saved_cflags" 916 917 saved_cxxflags="$CXXFLAGS" 918 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 919 AC_LANG_PUSH([C++]) 920 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 921 [supports=no]) 922 AC_LANG_POP([C++]) 923 CXXFLAGS="$saved_cxxflags" 924 925 AC_MSG_RESULT([$supports]) 926 if test "x$supports" = "xyes" ; then 927 : 928 ARG_IF_TRUE 929 else 930 : 931 ARG_IF_FALSE 932 fi 933]) 934 935# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 936# IF_FALSE: [RUN-IF-FALSE]) 937# ------------------------------------------------------------ 938# Check that the linker support an argument 939BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 940 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 941[ 942 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 943 supports=yes 944 945 saved_ldflags="$LDFLAGS" 946 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 947 AC_LANG_PUSH([C]) 948 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 949 [], [supports=no]) 950 AC_LANG_POP([C]) 951 LDFLAGS="$saved_ldflags" 952 953 AC_MSG_RESULT([$supports]) 954 if test "x$supports" = "xyes" ; then 955 : 956 ARG_IF_TRUE 957 else 958 : 959 ARG_IF_FALSE 960 fi 961]) 962 963AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 964[ 965 # Some Zero and Shark settings. 966 # ZERO_ARCHFLAG tells the compiler which mode to build for 967 case "${OPENJDK_TARGET_CPU}" in 968 s390) 969 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 970 ;; 971 *) 972 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 973 esac 974 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 975 AC_SUBST(ZERO_ARCHFLAG) 976 977 # Check that the compiler supports -mX (or -qX on AIX) flags 978 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 979 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 980 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 981 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 982 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 983 984 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 985 [do not consider native warnings to be an error @<:@enabled@:>@])]) 986 987 AC_MSG_CHECKING([if native warnings are errors]) 988 if test "x$enable_warnings_as_errors" = "xyes"; then 989 AC_MSG_RESULT([yes (explicitely set)]) 990 WARNINGS_AS_ERRORS=true 991 elif test "x$enable_warnings_as_errors" = "xno"; then 992 AC_MSG_RESULT([no]) 993 WARNINGS_AS_ERRORS=false 994 elif test "x$enable_warnings_as_errors" = "x"; then 995 AC_MSG_RESULT([yes (default)]) 996 WARNINGS_AS_ERRORS=true 997 else 998 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 999 fi 1000 1001 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1002 # Set legacy hotspot variable 1003 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1004 else 1005 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1006 fi 1007 1008 AC_SUBST(WARNINGS_AS_ERRORS) 1009 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1010 1011 case "${TOOLCHAIN_TYPE}" in 1012 microsoft) 1013 DISABLE_WARNING_PREFIX="-wd" 1014 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1015 ;; 1016 solstudio) 1017 DISABLE_WARNING_PREFIX="-erroff=" 1018 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1019 ;; 1020 gcc) 1021 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1022 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1023 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1024 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1025 ) 1026 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1027 DISABLE_WARNING_PREFIX="-Wno-" 1028 else 1029 DISABLE_WARNING_PREFIX= 1030 fi 1031 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1032 # Repeate the check for the BUILD_CC 1033 CC_OLD="$CC" 1034 CC="$BUILD_CC" 1035 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1036 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1037 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1038 ) 1039 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1040 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1041 else 1042 BUILD_CC_DISABLE_WARNING_PREFIX= 1043 fi 1044 CC="$CC_OLD" 1045 ;; 1046 clang) 1047 DISABLE_WARNING_PREFIX="-Wno-" 1048 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1049 ;; 1050 esac 1051 AC_SUBST(DISABLE_WARNING_PREFIX) 1052 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1053]) 1054