flags.m4 revision 1372:09e4660d7815
1362181Sdim# 2362181Sdim# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3362181Sdim# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4362181Sdim# 5362181Sdim# This code is free software; you can redistribute it and/or modify it 6362181Sdim# under the terms of the GNU General Public License version 2 only, as 7362181Sdim# published by the Free Software Foundation. Oracle designates this 8362181Sdim# particular file as subject to the "Classpath" exception as provided 9362181Sdim# by Oracle in the LICENSE file that accompanied this code. 10362181Sdim# 11362181Sdim# This code is distributed in the hope that it will be useful, but WITHOUT 12362181Sdim# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13362181Sdim# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14362181Sdim# version 2 for more details (a copy is included in the LICENSE file that 15362181Sdim# accompanied this code). 16362181Sdim# 17362181Sdim# You should have received a copy of the GNU General Public License version 18286505Speter# 2 along with this work; if not, write to the Free Software Foundation, 19286505Speter# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20362181Sdim# 21362181Sdim# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22362181Sdim# or visit www.oracle.com if you need additional information or have any 23362181Sdim# questions. 24362181Sdim# 25362181Sdim 26269833SpeterAC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 27269833Speter[ 28269833Speter # Option used to tell the compiler whether to create 32- or 64-bit executables 29286505Speter if test "x$TOOLCHAIN_TYPE" = xxlc; then 30269833Speter COMPILER_TARGET_BITS_FLAG="-q" 31268960Speter else 32268960Speter COMPILER_TARGET_BITS_FLAG="-m" 33268960Speter fi 34286505Speter AC_SUBST(COMPILER_TARGET_BITS_FLAG) 35269833Speter 36266728Speter # FIXME: figure out if we should select AR flags depending on OS or toolchain. 37266728Speter if test "x$OPENJDK_TARGET_OS" = xmacosx; then 38266728Speter ARFLAGS="-r" 39266728Speter elif test "x$OPENJDK_TARGET_OS" = xaix; then 40266728Speter ARFLAGS="-X64" 41266728Speter elif test "x$OPENJDK_TARGET_OS" = xwindows; then 42266728Speter # lib.exe is used as AR to create static libraries. 43262324Speter ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 44262324Speter else 45262324Speter ARFLAGS="" 46262324Speter fi 47262324Speter AC_SUBST(ARFLAGS) 48262324Speter 49262324Speter ## Setup strip. 50262324Speter # FIXME: should this really be per platform, or should it be per toolchain type? 51262324Speter # strip is not provided by clang or solstudio; so guessing platform makes most sense. 52262324Speter # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 53262324Speter if test "x$OPENJDK_TARGET_OS" = xlinux; then 54262324Speter STRIPFLAGS="-g" 55262324Speter elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 56262324Speter STRIPFLAGS="-x" 57262324Speter elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 58262324Speter STRIPFLAGS="-S" 59262324Speter elif test "x$OPENJDK_TARGET_OS" = xaix; then 60262324Speter STRIPFLAGS="-X32_64" 61262324Speter fi 62262324Speter 63262324Speter if test "x$OPENJDK_TARGET_OS" != xwindows; then 64262324Speter POST_STRIP_CMD="$STRIP $STRIPFLAGS" 65262324Speter fi 66262324Speter AC_SUBST(POST_STRIP_CMD) 67262324Speter 68262324Speter if test "x$OPENJDK_TARGET_OS" = xsolaris; then 69262324Speter # FIXME: break out into MCSFLAGS 70262324Speter POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\"" 71262324Speter fi 72262324Speter AC_SUBST(POST_MCS_CMD) 73262324Speter 74262324Speter if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 75262324Speter CC_OUT_OPTION=-Fo 76262324Speter EXE_OUT_OPTION=-out: 77262324Speter LD_OUT_OPTION=-out: 78262324Speter AR_OUT_OPTION=-out: 79262324Speter else 80262324Speter # The option used to specify the target .o,.a or .so file. 81262324Speter # When compiling, how to specify the to be created object file. 82262324Speter CC_OUT_OPTION='-o$(SPACE)' 83262324Speter # When linking, how to specify the to be created executable. 84262324Speter EXE_OUT_OPTION='-o$(SPACE)' 85262324Speter # When linking, how to specify the to be created dynamically linkable library. 86262324Speter LD_OUT_OPTION='-o$(SPACE)' 87262324Speter # When archiving, how to specify the to be create static archive for object files. 88262324Speter AR_OUT_OPTION='rcs$(SPACE)' 89262324Speter fi 90262324Speter AC_SUBST(CC_OUT_OPTION) 91262324Speter AC_SUBST(EXE_OUT_OPTION) 92262324Speter AC_SUBST(LD_OUT_OPTION) 93262324Speter AC_SUBST(AR_OUT_OPTION) 94262324Speter 95262324Speter # On Windows, we need to set RC flags. 96262324Speter if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 97262324Speter RC_FLAGS="-nologo -l0x409" 98253895Speter if test "x$VARIANT" = xOPT; then 99253895Speter RC_FLAGS="$RC_FLAGS -DNDEBUG" 100253895Speter fi 101253895Speter 102253895Speter # The version variables used to create RC_FLAGS may be overridden 103253895Speter # in a custom configure script, or possibly the command line. 104253895Speter # Let those variables be expanded at make time in spec.gmk. 105253895Speter # The \$ are escaped to the shell, and the $(...) variables 106253895Speter # are evaluated by make. 107253895Speter RC_FLAGS="$RC_FLAGS \ 108253895Speter -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 109253895Speter -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 110253895Speter -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 111253895Speter -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 112253895Speter -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 113253895Speter -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 114251877Speter -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 115251877Speter fi 116251877Speter AC_SUBST(RC_FLAGS) 117251877Speter 118251877Speter if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 119251877Speter # silence copyright notice and other headers. 120251877Speter COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 121251877Speter fi 122251877Speter 123251877Speter if test "x$SYSROOT" != "x"; then 124251877Speter if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 125251877Speter if test "x$OPENJDK_TARGET_OS" = xsolaris; then 126251877Speter # Solaris Studio does not have a concept of sysroot. Instead we must 127251877Speter # make sure the default include and lib dirs are appended to each 128251877Speter # compile and link command line. 129251877Speter SYSROOT_CFLAGS="-I$SYSROOT/usr/include" 130251877Speter SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 131251877Speter -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 132251877Speter -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 133251877Speter fi 134253895Speter elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 135251877Speter # Apple only wants -isysroot <path>, but we also need -iframework<path>/System/Library/Frameworks 136251877Speter SYSROOT_CFLAGS="-isysroot \"$SYSROOT\" -iframework\"$SYSROOT/System/Library/Frameworks\"" 137251877Speter SYSROOT_LDFLAGS=$SYSROOT_CFLAGS 138251877Speter elif test "x$TOOLCHAIN_TYPE" = xgcc; then 139251877Speter SYSROOT_CFLAGS="--sysroot=$SYSROOT" 140251877Speter SYSROOT_LDFLAGS="--sysroot=$SYSROOT" 141251877Speter elif test "x$TOOLCHAIN_TYPE" = xclang; then 142251877Speter SYSROOT_CFLAGS="-isysroot \"$SYSROOT\"" 143251877Speter SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\"" 144251877Speter fi 145251877Speter # Propagate the sysroot args to hotspot 146251877Speter LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS" 147251877Speter LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS" 148251877Speter LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS" 149251877Speter fi 150251877Speter 151251877Speter # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 152251877Speter # set this here so it doesn't have to be peppered throughout the forest 153251877Speter if test "x$OPENJDK_TARGET_OS" = xmacosx; then 154251877Speter SYSROOT_CFLAGS="$SYSROOT_CFLAGS -F\"$SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks\"" 155251877Speter SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -F\"$SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks\"" 156251877Speter fi 157251877Speter 158251877Speter AC_SUBST(SYSROOT_CFLAGS) 159251877Speter AC_SUBST(SYSROOT_LDFLAGS) 160251877Speter]) 161251877Speter 162251877SpeterAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 163251877Speter[ 164251877Speter ############################################################################### 165251877Speter # 166251877Speter # How to compile shared libraries. 167251877Speter # 168251877Speter 169251877Speter if test "x$TOOLCHAIN_TYPE" = xgcc; then 170251877Speter PICFLAG="-fPIC" 171251877Speter C_FLAG_REORDER='' 172251877Speter CXX_FLAG_REORDER='' 173251877Speter 174251877Speter if test "x$OPENJDK_TARGET_OS" = xmacosx; then 175251877Speter # Linking is different on MacOSX 176251877Speter SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 177251877Speter SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 178251877Speter SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 179251877Speter SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 180251877Speter SET_SHARED_LIBRARY_MAPFILE='' 181251877Speter else 182251877Speter # Default works for linux, might work on other platforms as well. 183251877Speter SHARED_LIBRARY_FLAGS='-shared' 184251877Speter SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 185251877Speter SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 186251877Speter SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 187251877Speter SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 188251877Speter fi 189251877Speter elif test "x$TOOLCHAIN_TYPE" = xclang; then 190251877Speter PICFLAG='' 191251877Speter C_FLAG_REORDER='' 192251877Speter CXX_FLAG_REORDER='' 193251877Speter 194251877Speter if test "x$OPENJDK_TARGET_OS" = xmacosx; then 195251877Speter # Linking is different on MacOSX 196251877Speter SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 197251877Speter SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 198251877Speter SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 199251877Speter SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 200251877Speter SET_SHARED_LIBRARY_MAPFILE='' 201251877Speter else 202251877Speter # Default works for linux, might work on other platforms as well. 203251877Speter SHARED_LIBRARY_FLAGS='-shared' 204251877Speter SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 205251877Speter SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 206251877Speter SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 207251877Speter SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 208251877Speter fi 209251877Speter elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 210251877Speter PICFLAG="-KPIC" 211251877Speter C_FLAG_REORDER='-xF' 212251877Speter CXX_FLAG_REORDER='-xF' 213251877Speter SHARED_LIBRARY_FLAGS="-G" 214251877Speter SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 215251877Speter SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 216251877Speter SET_SHARED_LIBRARY_NAME='' 217251877Speter SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 218251877Speter elif test "x$TOOLCHAIN_TYPE" = xxlc; then 219251877Speter PICFLAG="-qpic=large" 220251877Speter C_FLAG_REORDER='' 221251877Speter CXX_FLAG_REORDER='' 222251877Speter SHARED_LIBRARY_FLAGS="-qmkshrobj" 223251877Speter SET_EXECUTABLE_ORIGIN="" 224251877Speter SET_SHARED_LIBRARY_ORIGIN='' 225251877Speter SET_SHARED_LIBRARY_NAME='' 226251877Speter SET_SHARED_LIBRARY_MAPFILE='' 227251877Speter elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 228251877Speter PICFLAG="" 229251877Speter C_FLAG_REORDER='' 230251877Speter CXX_FLAG_REORDER='' 231251877Speter SHARED_LIBRARY_FLAGS="-LD" 232251877Speter SET_EXECUTABLE_ORIGIN='' 233251877Speter SET_SHARED_LIBRARY_ORIGIN='' 234251877Speter SET_SHARED_LIBRARY_NAME='' 235251877Speter SET_SHARED_LIBRARY_MAPFILE='' 236251877Speter fi 237251877Speter 238251877Speter AC_SUBST(C_FLAG_REORDER) 239251877Speter AC_SUBST(CXX_FLAG_REORDER) 240251877Speter AC_SUBST(SHARED_LIBRARY_FLAGS) 241251877Speter AC_SUBST(SET_EXECUTABLE_ORIGIN) 242251877Speter AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 243251877Speter AC_SUBST(SET_SHARED_LIBRARY_NAME) 244251877Speter AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 245251877Speter 246251877Speter if test "x$OPENJDK_TARGET_OS" = xsolaris; then 247251877Speter CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 248251877Speter CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 249251877Speter CFLAGS_JDKLIB_EXTRA='-xstrconst' 250251877Speter fi 251251877Speter # The (cross) compiler is now configured, we can now test capabilities 252251877Speter # of the target platform. 253251877Speter]) 254251877Speter 255251877Speter# Documentation on common flags used for solstudio in HIGHEST. 256251877Speter# 257251877Speter# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 258251877Speter# done with care, there are some assumptions below that need to 259251877Speter# be understood about the use of pointers, and IEEE behavior. 260251877Speter# 261251877Speter# -fns: Use non-standard floating point mode (not IEEE 754) 262251877Speter# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 263251877Speter# -fsingle: Use single precision floating point with 'float' 264251877Speter# -xalias_level=basic: Assume memory references via basic pointer types do not alias 265251877Speter# (Source with excessing pointer casting and data access with mixed 266251877Speter# pointer types are not recommended) 267251877Speter# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 268251877Speter# (If you expect perfect errno behavior, do not use this) 269251877Speter# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 270251877Speter# -xrestrict: Pointer parameters to functions do not overlap 271251877Speter# (Similar to -xalias_level=basic usage, but less obvious sometimes. 272251877Speter# If you pass in multiple pointers to the same data, do not use this) 273251877Speter# -xlibmil: Inline some library routines 274251877Speter# (If you expect perfect errno behavior, do not use this) 275251877Speter# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 276251877Speter# (If you expect perfect errno behavior, do not use this) 277251877Speter# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 278251877Speter 279251877Speter # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 280251877Speter # Bug? 281251877Speter #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 282251877Speter # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 283251877Speter # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 284251877Speter #fi 285251877Speter 286251877SpeterAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 287251877Speter[ 288251877Speter 289251877Speter ############################################################################### 290251877Speter # 291251877Speter # Setup the opt flags for different compilers 292251877Speter # and different operating systems. 293251877Speter # 294251877Speter 295251877Speter # FIXME: this was indirectly the old default, but just inherited. 296251877Speter # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 297251877Speter # C_FLAG_DEPS="-MMD -MF" 298251877Speter # fi 299251877Speter 300251877Speter # Generate make dependency files 301251877Speter if test "x$TOOLCHAIN_TYPE" = xgcc; then 302251877Speter C_FLAG_DEPS="-MMD -MF" 303251877Speter elif test "x$TOOLCHAIN_TYPE" = xclang; then 304251877Speter C_FLAG_DEPS="-MMD -MF" 305251877Speter elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 306251877Speter C_FLAG_DEPS="-xMMD -xMF" 307251877Speter elif test "x$TOOLCHAIN_TYPE" = xxlc; then 308251877Speter C_FLAG_DEPS="-qmakedep=gcc -MF" 309251877Speter fi 310251877Speter CXX_FLAG_DEPS="$C_FLAG_DEPS" 311 AC_SUBST(C_FLAG_DEPS) 312 AC_SUBST(CXX_FLAG_DEPS) 313 314 # Debug symbols 315 if test "x$TOOLCHAIN_TYPE" = xgcc; then 316 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 317 # reduce from default "-g2" option to save space 318 CFLAGS_DEBUG_SYMBOLS="-g1" 319 CXXFLAGS_DEBUG_SYMBOLS="-g1" 320 else 321 CFLAGS_DEBUG_SYMBOLS="-g" 322 CXXFLAGS_DEBUG_SYMBOLS="-g" 323 fi 324 elif test "x$TOOLCHAIN_TYPE" = xclang; then 325 CFLAGS_DEBUG_SYMBOLS="-g" 326 CXXFLAGS_DEBUG_SYMBOLS="-g" 327 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 328 CFLAGS_DEBUG_SYMBOLS="-g -xs" 329 # FIXME: likely a bug, this disables debug symbols rather than enables them 330 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 331 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 332 CFLAGS_DEBUG_SYMBOLS="-g" 333 CXXFLAGS_DEBUG_SYMBOLS="-g" 334 fi 335 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 336 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 337 338 # bounds, memory and behavior checking options 339 if test "x$TOOLCHAIN_TYPE" = xgcc; then 340 case $DEBUG_LEVEL in 341 release ) 342 # no adjustment 343 ;; 344 fastdebug ) 345 # no adjustment 346 ;; 347 slowdebug ) 348 # Add runtime stack smashing and undefined behavior checks 349 CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1" 350 CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1" 351 ;; 352 esac 353 fi 354 AC_SUBST(CFLAGS_DEBUG_OPTIONS) 355 AC_SUBST(CXXFLAGS_DEBUG_OPTIONS) 356 357 # Optimization levels 358 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 359 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 360 361 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 362 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 363 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 364 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 365 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 366 C_O_FLAG_DEBUG="-xregs=no%frameptr" 367 C_O_FLAG_NONE="-xregs=no%frameptr" 368 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 369 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 370 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 371 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 372 CXX_O_FLAG_NONE="-xregs=no%frameptr" 373 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 374 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 375 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 376 fi 377 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 378 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 379 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 380 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 381 C_O_FLAG_DEBUG="" 382 C_O_FLAG_NONE="" 383 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 384 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 385 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 386 C_O_FLAG_DEBUG="" 387 CXX_O_FLAG_NONE="" 388 fi 389 else 390 # The remaining toolchains share opt flags between CC and CXX; 391 # setup for C and duplicate afterwards. 392 if test "x$TOOLCHAIN_TYPE" = xgcc; then 393 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 394 # On MacOSX we optimize for size, something 395 # we should do for all platforms? 396 C_O_FLAG_HIGHEST="-Os" 397 C_O_FLAG_HI="-Os" 398 C_O_FLAG_NORM="-Os" 399 else 400 C_O_FLAG_HIGHEST="-O3" 401 C_O_FLAG_HI="-O3" 402 C_O_FLAG_NORM="-O2" 403 fi 404 C_O_FLAG_DEBUG="-O0" 405 C_O_FLAG_NONE="-O0" 406 elif test "x$TOOLCHAIN_TYPE" = xclang; then 407 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 408 # On MacOSX we optimize for size, something 409 # we should do for all platforms? 410 C_O_FLAG_HIGHEST="-Os" 411 C_O_FLAG_HI="-Os" 412 C_O_FLAG_NORM="-Os" 413 else 414 C_O_FLAG_HIGHEST="-O3" 415 C_O_FLAG_HI="-O3" 416 C_O_FLAG_NORM="-O2" 417 fi 418 C_O_FLAG_DEBUG="-O0" 419 C_O_FLAG_NONE="-O0" 420 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 421 C_O_FLAG_HIGHEST="-O3" 422 C_O_FLAG_HI="-O3 -qstrict" 423 C_O_FLAG_NORM="-O2" 424 C_O_FLAG_DEBUG="-qnoopt" 425 C_O_FLAG_NONE="-qnoop" 426 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 427 C_O_FLAG_HIGHEST="-O2" 428 C_O_FLAG_HI="-O1" 429 C_O_FLAG_NORM="-O1" 430 C_O_FLAG_DEBUG="-Od" 431 C_O_FLAG_NONE="-Od" 432 fi 433 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 434 CXX_O_FLAG_HI="$C_O_FLAG_HI" 435 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 436 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 437 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 438 fi 439 440 # Adjust optimization flags according to debug level. 441 case $DEBUG_LEVEL in 442 release ) 443 # no adjustment 444 ;; 445 fastdebug ) 446 # Not quite so much optimization 447 C_O_FLAG_HI="$C_O_FLAG_NORM" 448 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 449 ;; 450 slowdebug ) 451 # Disable optimization 452 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 453 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 454 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 455 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 456 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 457 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 458 ;; 459 esac 460 461 AC_SUBST(C_O_FLAG_HIGHEST) 462 AC_SUBST(C_O_FLAG_HI) 463 AC_SUBST(C_O_FLAG_NORM) 464 AC_SUBST(C_O_FLAG_DEBUG) 465 AC_SUBST(C_O_FLAG_NONE) 466 AC_SUBST(CXX_O_FLAG_HIGHEST) 467 AC_SUBST(CXX_O_FLAG_HI) 468 AC_SUBST(CXX_O_FLAG_NORM) 469 AC_SUBST(CXX_O_FLAG_DEBUG) 470 AC_SUBST(CXX_O_FLAG_NONE) 471]) 472 473AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 474[ 475 # Special extras... 476 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 477 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 478 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 479 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 480 fi 481 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 482 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 483 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 484 LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall" 485 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 486 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 487 fi 488 489 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 490 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 491 fi 492 493 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 494 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 495 fi 496 497 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 498 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 499 fi 500 501 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 502 [extra flags to be used when compiling jdk c-files])]) 503 504 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 505 [extra flags to be used when compiling jdk c++-files])]) 506 507 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 508 [extra flags to be used when linking jdk])]) 509 510 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags" 511 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags" 512 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags" 513 514 # Hotspot needs these set in their legacy form 515 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags" 516 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags" 517 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags" 518 519 AC_SUBST(LEGACY_EXTRA_CFLAGS) 520 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 521 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 522 523 ############################################################################### 524 # 525 # Now setup the CFLAGS and LDFLAGS for the JDK build. 526 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 527 # 528 529 # Setup compiler/platform specific flags into 530 # CFLAGS_JDK - C Compiler flags 531 # CXXFLAGS_JDK - C++ Compiler flags 532 # COMMON_CCXXFLAGS_JDK - common to C and C++ 533 if test "x$TOOLCHAIN_TYPE" = xgcc; then 534 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 535 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 536 case $OPENJDK_TARGET_CPU_ARCH in 537 arm ) 538 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 539 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 540 ;; 541 ppc ) 542 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 543 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 544 ;; 545 * ) 546 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 547 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 548 ;; 549 esac 550 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 551 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 552 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 553 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 554 fi 555 556 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 557 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 558 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 559 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 560 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 561 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 562 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 563 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 564 -DWIN32_LEAN_AND_MEAN \ 565 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 566 -DWIN32 -DIAL" 567 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 568 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 569 else 570 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 571 fi 572 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 573 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 574 # studio. 575 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 576 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 577 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 578 fi 579 fi 580 581 ############################################################################### 582 583 # Adjust flags according to debug level. 584 case $DEBUG_LEVEL in 585 fastdebug | slowdebug ) 586 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 587 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 588 JAVAC_FLAGS="$JAVAC_FLAGS -g" 589 ;; 590 release ) 591 ;; 592 * ) 593 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 594 ;; 595 esac 596 597 # Setup LP64 598 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 599 600 # Set some common defines. These works for all compilers, but assume 601 # -D is universally accepted. 602 603 # Setup endianness 604 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 605 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 606 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 607 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 608 # Note: -Dmacro is the same as #define macro 1 609 # -Dmacro= is the same as #define macro 610 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 611 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 612 else 613 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 614 fi 615 else 616 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 617 # are defined in the system? 618 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 619 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 620 else 621 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 622 fi 623 fi 624 625 # Setup target OS define. Use OS target name but in upper case. 626 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 627 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 628 629 # Setup target CPU 630 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 631 632 # Setup debug/release defines 633 if test "x$DEBUG_LEVEL" = xrelease; then 634 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 635 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 636 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 637 fi 638 else 639 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 640 fi 641 642 # Setup release name 643 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 644 645 646 # Set some additional per-OS defines. 647 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 648 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 649 elif test "x$OPENJDK_TARGET_OS" = xaix; then 650 # FIXME: PPC64 should not be here. 651 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 652 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 653 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 654 fi 655 656 # Additional macosx handling 657 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 658 # Setting these parameters makes it an error to link to macosx APIs that are 659 # newer than the given OS version and makes the linked binaries compatible 660 # even if built on a newer version of the OS. 661 # The expected format is X.Y.Z 662 MACOSX_VERSION_MIN=10.7.0 663 AC_SUBST(MACOSX_VERSION_MIN) 664 665 # The macro takes the version with no dots, ex: 1070 666 # Let the flags variables get resolved in make for easier override on make 667 # command line. 668 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 669 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 670 fi 671 672 # Setup some hard coded includes 673 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 674 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 675 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 676 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include" 677 678 # The shared libraries are compiled using the picflag. 679 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 680 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 681 682 # Executable flags 683 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 684 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 685 686 AC_SUBST(CFLAGS_JDKLIB) 687 AC_SUBST(CFLAGS_JDKEXE) 688 AC_SUBST(CXXFLAGS_JDKLIB) 689 AC_SUBST(CXXFLAGS_JDKEXE) 690 691 # Flags for compiling test libraries 692 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 693 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 694 695 # Flags for compiling test executables 696 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 697 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 698 699 AC_SUBST(CFLAGS_TESTLIB) 700 AC_SUBST(CFLAGS_TESTEXE) 701 AC_SUBST(CXXFLAGS_TESTLIB) 702 AC_SUBST(CXXFLAGS_TESTEXE) 703 704 # Setup LDFLAGS et al. 705 # 706 707 # Now this is odd. The JDK native libraries have to link against libjvm.so 708 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 709 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 710 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 711 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 712 # libraries will link to whatever is in memory. Yuck. 713 # 714 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 715 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 716 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 717 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 718 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 719 fi 720 # TODO: make -debug optional "--disable-full-debug-symbols" 721 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 722 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 723 # If this is a --hash-style=gnu system, use --hash-style=both, why? 724 # We have previously set HAS_GNU_HASH if this is the case 725 if test -n "$HAS_GNU_HASH"; then 726 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 727 fi 728 if test "x$OPENJDK_TARGET_OS" = xlinux; then 729 # And since we now know that the linker is gnu, then add -z defs, to forbid 730 # undefined symbols in object files. 731 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 732 case $DEBUG_LEVEL in 733 release ) 734 # tell linker to optimize libraries. 735 # Should this be supplied to the OSS linker as well? 736 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 737 ;; 738 slowdebug ) 739 if test "x$HAS_LINKER_NOW" = "xtrue"; then 740 # do relocations at load 741 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 742 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 743 fi 744 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 745 # mark relocations read only 746 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 747 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 748 fi 749 ;; 750 fastdebug ) 751 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 752 # mark relocations read only 753 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 754 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 755 fi 756 ;; 757 * ) 758 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 759 ;; 760 esac 761 fi 762 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 763 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 764 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 765 fi 766 767 # Customize LDFLAGS for executables 768 769 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 770 771 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 772 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 773 LDFLAGS_STACK_SIZE=1048576 774 else 775 LDFLAGS_STACK_SIZE=327680 776 fi 777 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 778 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 779 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 780 fi 781 782 # Customize LDFLAGS for libs 783 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 784 785 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 786 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 787 LDFLAGS_JDKLIB_SUFFIX="" 788 else 789 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 790 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 791 792 # On some platforms (mac) the linker warns about non existing -L dirs. 793 # Add server first if available. Linking aginst client does not always produce the same results. 794 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 795 # Default to server for other variants. 796 if test "x$JVM_VARIANT_SERVER" = xtrue; then 797 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 798 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 799 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 800 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 801 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 802 else 803 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 804 fi 805 806 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 807 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 808 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 809 fi 810 fi 811 812 AC_SUBST(LDFLAGS_JDKLIB) 813 AC_SUBST(LDFLAGS_JDKEXE) 814 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 815 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 816 AC_SUBST(LDFLAGS_CXX_JDK) 817 818 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 819 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 820 LDFLAGS_TESTLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX" 821 LDFLAGS_TESTEXE_SUFFIX="$LDFLAGS_JDKEXE_SUFFIX" 822 823 AC_SUBST(LDFLAGS_TESTLIB) 824 AC_SUBST(LDFLAGS_TESTEXE) 825 AC_SUBST(LDFLAGS_TESTLIB_SUFFIX) 826 AC_SUBST(LDFLAGS_TESTEXE_SUFFIX) 827]) 828 829# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 830# [RUN-IF-FALSE]) 831# ------------------------------------------------------------ 832# Check that the c and c++ compilers support an argument 833AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 834[ 835 AC_MSG_CHECKING([if compiler supports "$1"]) 836 supports=yes 837 838 saved_cflags="$CFLAGS" 839 CFLAGS="$CFLAGS $1" 840 AC_LANG_PUSH([C]) 841 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 842 [supports=no]) 843 AC_LANG_POP([C]) 844 CFLAGS="$saved_cflags" 845 846 saved_cxxflags="$CXXFLAGS" 847 CXXFLAGS="$CXXFLAG $1" 848 AC_LANG_PUSH([C++]) 849 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 850 [supports=no]) 851 AC_LANG_POP([C++]) 852 CXXFLAGS="$saved_cxxflags" 853 854 AC_MSG_RESULT([$supports]) 855 if test "x$supports" = "xyes" ; then 856 m4_ifval([$2], [$2], [:]) 857 else 858 m4_ifval([$3], [$3], [:]) 859 fi 860]) 861 862# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 863# [RUN-IF-FALSE]) 864# ------------------------------------------------------------ 865# Check that the linker support an argument 866AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 867[ 868 AC_MSG_CHECKING([if linker supports "$1"]) 869 supports=yes 870 871 saved_ldflags="$LDFLAGS" 872 LDFLAGS="$LDFLAGS $1" 873 AC_LANG_PUSH([C]) 874 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 875 [], [supports=no]) 876 AC_LANG_POP([C]) 877 LDFLAGS="$saved_ldflags" 878 879 AC_MSG_RESULT([$supports]) 880 if test "x$supports" = "xyes" ; then 881 m4_ifval([$2], [$2], [:]) 882 else 883 m4_ifval([$3], [$3], [:]) 884 fi 885]) 886 887AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 888[ 889 # Some Zero and Shark settings. 890 # ZERO_ARCHFLAG tells the compiler which mode to build for 891 case "${OPENJDK_TARGET_CPU}" in 892 s390) 893 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 894 ;; 895 *) 896 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 897 esac 898 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 899 AC_SUBST(ZERO_ARCHFLAG) 900 901 # Check that the compiler supports -mX (or -qX on AIX) flags 902 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 903 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 904 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 905 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 906 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 907 908 case "${TOOLCHAIN_TYPE}" in 909 microsoft) 910 DISABLE_WARNING_PREFIX="-wd" 911 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 912 ;; 913 solstudio) 914 DISABLE_WARNING_PREFIX="-erroff=" 915 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 916 ;; 917 gcc) 918 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 919 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 920 [GCC_CAN_DISABLE_WARNINGS=true], 921 [GCC_CAN_DISABLE_WARNINGS=false] 922 ) 923 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 924 DISABLE_WARNING_PREFIX="-Wno-" 925 else 926 DISABLE_WARNING_PREFIX= 927 fi 928 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 929 ;; 930 clang) 931 DISABLE_WARNING_PREFIX="-Wno-" 932 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 933 ;; 934 esac 935 AC_SUBST(DISABLE_WARNING_PREFIX) 936 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 937]) 938