flags.m4 revision 1664:c800f2919a1f
150534Smpp# 250534Smpp# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 369862Sru# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4233520Sjoel# 526005Smsmith# This code is free software; you can redistribute it and/or modify it 626005Smsmith# under the terms of the GNU General Public License version 2 only, as 726005Smsmith# published by the Free Software Foundation. Oracle designates this 826005Smsmith# particular file as subject to the "Classpath" exception as provided 926005Smsmith# by Oracle in the LICENSE file that accompanied this code. 1068965Sru# 1126005Smsmith# This code is distributed in the hope that it will be useful, but WITHOUT 1226005Smsmith# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1326005Smsmith# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1479755Sdd# version 2 for more details (a copy is included in the LICENSE file that 1530774Scharnier# accompanied this code). 1699968Scharnier# 17131500Sru# You should have received a copy of the GNU General Public License version 18131500Sru# 2 along with this work; if not, write to the Free Software Foundation, 1977523Stom# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2077523Stom# 2126005Smsmith# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22131500Sru# or visit www.oracle.com if you need additional information or have any 23131500Sru# questions. 2427818Smsmith# 2526005Smsmith 2626005SmsmithAC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 2726005Smsmith[ 2879755Sdd # Option used to tell the compiler whether to create 32- or 64-bit executables 2981462Sru if test "x$TOOLCHAIN_TYPE" = xxlc; then 3081462Sru COMPILER_TARGET_BITS_FLAG="-q" 3126005Smsmith else 3226005Smsmith COMPILER_TARGET_BITS_FLAG="-m" 3326005Smsmith fi 3426005Smsmith AC_SUBST(COMPILER_TARGET_BITS_FLAG) 3579755Sdd 3626005Smsmith # FIXME: figure out if we should select AR flags depending on OS or toolchain. 3727818Smsmith if test "x$OPENJDK_TARGET_OS" = xmacosx; then 3879755Sdd ARFLAGS="-r" 3926005Smsmith elif test "x$OPENJDK_TARGET_OS" = xaix; then 4026005Smsmith ARFLAGS="-X64" 4170403Sru elif test "x$OPENJDK_TARGET_OS" = xwindows; then 4226005Smsmith # lib.exe is used as AR to create static libraries. 4326005Smsmith ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 4426005Smsmith else 4530774Scharnier ARFLAGS="" 4626005Smsmith fi 4730774Scharnier AC_SUBST(ARFLAGS) 4826005Smsmith 4926005Smsmith ## Setup strip. 5079755Sdd # FIXME: should this really be per platform, or should it be per toolchain type? 5126005Smsmith # strip is not provided by clang or solstudio; so guessing platform makes most sense. 5226005Smsmith # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 5326005Smsmith if test "x$OPENJDK_TARGET_OS" = xlinux; then 5426005Smsmith STRIPFLAGS="-g" 5526005Smsmith elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 5626005Smsmith STRIPFLAGS="-x" 5779755Sdd elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 5877824Schris STRIPFLAGS="-S" 5926005Smsmith elif test "x$OPENJDK_TARGET_OS" = xaix; then 6077523Stom STRIPFLAGS="-X32_64" 6179755Sdd fi 6279755Sdd 63131500Sru AC_SUBST(STRIPFLAGS) 64131500Sru 6540893Smsmith if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 6626005Smsmith CC_OUT_OPTION=-Fo 6726005Smsmith EXE_OUT_OPTION=-out: 6827818Smsmith LD_OUT_OPTION=-out: 6927818Smsmith AR_OUT_OPTION=-out: 7079755Sdd else 7127818Smsmith # The option used to specify the target .o,.a or .so file. 7227818Smsmith # When compiling, how to specify the to be created object file. 7327818Smsmith CC_OUT_OPTION='-o$(SPACE)' 74131500Sru # When linking, how to specify the to be created executable. 75131500Sru EXE_OUT_OPTION='-o$(SPACE)' 7627818Smsmith # When linking, how to specify the to be created dynamically linkable library. 7756490Scharnier LD_OUT_OPTION='-o$(SPACE)' 7856490Scharnier # When archiving, how to specify the to be create static archive for object files. 7956490Scharnier AR_OUT_OPTION='rcs$(SPACE)' 8079755Sdd fi 8179755Sdd AC_SUBST(CC_OUT_OPTION) 8227818Smsmith AC_SUBST(EXE_OUT_OPTION) 8327818Smsmith AC_SUBST(LD_OUT_OPTION) 8427818Smsmith AC_SUBST(AR_OUT_OPTION) 8527818Smsmith 8627818Smsmith # On Windows, we need to set RC flags. 8727818Smsmith if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 8827818Smsmith RC_FLAGS="-nologo -l0x409" 8979755Sdd if test "x$VARIANT" = xOPT; then 9026005Smsmith RC_FLAGS="$RC_FLAGS -DNDEBUG" 9126005Smsmith fi 9226005Smsmith 93131500Sru # The version variables used to create RC_FLAGS may be overridden 94131500Sru # in a custom configure script, or possibly the command line. 9530774Scharnier # Let those variables be expanded at make time in spec.gmk. 9699968Scharnier # The \$ are escaped to the shell, and the $(...) variables 9726005Smsmith # are evaluated by make. 9826005Smsmith RC_FLAGS="$RC_FLAGS \ 9981462Sru -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 100233522Sjoel -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 10126005Smsmith -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 10226005Smsmith -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 10326005Smsmith -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 10481462Sru -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 105233522Sjoel -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 10626005Smsmith fi 10726005Smsmith AC_SUBST(RC_FLAGS) 10826005Smsmith 10926005Smsmith if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 11026005Smsmith # silence copyright notice and other headers. 11126005Smsmith COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 11226005Smsmith fi 11326005Smsmith 11426005Smsmith if test "x$SYSROOT" != "x"; then 11569238Sdannyboy if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 11626005Smsmith if test "x$OPENJDK_TARGET_OS" = xsolaris; then 11726005Smsmith # Solaris Studio does not have a concept of sysroot. Instead we must 11826005Smsmith # make sure the default include and lib dirs are appended to each 11926005Smsmith # compile and link command line. 12026005Smsmith SYSROOT_CFLAGS="-I$SYSROOT/usr/include" 12126005Smsmith SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 12226005Smsmith -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 12326005Smsmith -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 12426005Smsmith fi 12526005Smsmith elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 12626005Smsmith # Apple only wants -isysroot <path>, but we also need -iframework<path>/System/Library/Frameworks 12726005Smsmith SYSROOT_CFLAGS="-isysroot \"$SYSROOT\" -iframework\"$SYSROOT/System/Library/Frameworks\"" 12871221Sru SYSROOT_LDFLAGS=$SYSROOT_CFLAGS 12927818Smsmith elif test "x$TOOLCHAIN_TYPE" = xgcc; then 13081462Sru SYSROOT_CFLAGS="--sysroot=$SYSROOT" 131233522Sjoel SYSROOT_LDFLAGS="--sysroot=$SYSROOT" 13227818Smsmith elif test "x$TOOLCHAIN_TYPE" = xclang; then 13326005Smsmith SYSROOT_CFLAGS="-isysroot \"$SYSROOT\"" 13427818Smsmith SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\"" 13529988Swosch fi 13656490Scharnier # Propagate the sysroot args to hotspot 13726005Smsmith LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS" 13826005Smsmith LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS" 13930774Scharnier LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS" 14099968Scharnier fi 14179755Sdd 14230774Scharnier # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 14330774Scharnier # set this here so it doesn't have to be peppered throughout the forest 144 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 145 SYSROOT_CFLAGS="$SYSROOT_CFLAGS -F\"$SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks\"" 146 SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -F\"$SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks\"" 147 fi 148 149 AC_SUBST(SYSROOT_CFLAGS) 150 AC_SUBST(SYSROOT_LDFLAGS) 151]) 152 153AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 154[ 155 ############################################################################### 156 # 157 # How to compile shared libraries. 158 # 159 160 if test "x$TOOLCHAIN_TYPE" = xgcc; then 161 PICFLAG="-fPIC" 162 C_FLAG_REORDER='' 163 CXX_FLAG_REORDER='' 164 165 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 166 # Linking is different on MacOSX 167 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 168 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 169 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 170 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 171 SET_SHARED_LIBRARY_MAPFILE='' 172 else 173 # Default works for linux, might work on other platforms as well. 174 SHARED_LIBRARY_FLAGS='-shared' 175 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 176 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 177 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 178 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 179 fi 180 elif test "x$TOOLCHAIN_TYPE" = xclang; then 181 PICFLAG='' 182 C_FLAG_REORDER='' 183 CXX_FLAG_REORDER='' 184 185 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 186 # Linking is different on MacOSX 187 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 188 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 189 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 190 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 191 SET_SHARED_LIBRARY_MAPFILE='' 192 else 193 # Default works for linux, might work on other platforms as well. 194 SHARED_LIBRARY_FLAGS='-shared' 195 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 196 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 197 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 198 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 199 fi 200 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 201 PICFLAG="-KPIC" 202 C_FLAG_REORDER='-xF' 203 CXX_FLAG_REORDER='-xF' 204 SHARED_LIBRARY_FLAGS="-G" 205 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 206 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 207 SET_SHARED_LIBRARY_NAME='' 208 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 209 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 210 PICFLAG="-qpic=large" 211 C_FLAG_REORDER='' 212 CXX_FLAG_REORDER='' 213 SHARED_LIBRARY_FLAGS="-qmkshrobj" 214 SET_EXECUTABLE_ORIGIN="" 215 SET_SHARED_LIBRARY_ORIGIN='' 216 SET_SHARED_LIBRARY_NAME='' 217 SET_SHARED_LIBRARY_MAPFILE='' 218 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 219 PICFLAG="" 220 C_FLAG_REORDER='' 221 CXX_FLAG_REORDER='' 222 SHARED_LIBRARY_FLAGS="-LD" 223 SET_EXECUTABLE_ORIGIN='' 224 SET_SHARED_LIBRARY_ORIGIN='' 225 SET_SHARED_LIBRARY_NAME='' 226 SET_SHARED_LIBRARY_MAPFILE='' 227 fi 228 229 AC_SUBST(C_FLAG_REORDER) 230 AC_SUBST(CXX_FLAG_REORDER) 231 AC_SUBST(SET_EXECUTABLE_ORIGIN) 232 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 233 AC_SUBST(SET_SHARED_LIBRARY_NAME) 234 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 235 236 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 237 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 238 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 239 CFLAGS_JDKLIB_EXTRA='-xstrconst' 240 fi 241 # The (cross) compiler is now configured, we can now test capabilities 242 # of the target platform. 243]) 244 245# Documentation on common flags used for solstudio in HIGHEST. 246# 247# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 248# done with care, there are some assumptions below that need to 249# be understood about the use of pointers, and IEEE behavior. 250# 251# -fns: Use non-standard floating point mode (not IEEE 754) 252# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 253# -fsingle: Use single precision floating point with 'float' 254# -xalias_level=basic: Assume memory references via basic pointer types do not alias 255# (Source with excessing pointer casting and data access with mixed 256# pointer types are not recommended) 257# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 258# (If you expect perfect errno behavior, do not use this) 259# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 260# -xrestrict: Pointer parameters to functions do not overlap 261# (Similar to -xalias_level=basic usage, but less obvious sometimes. 262# If you pass in multiple pointers to the same data, do not use this) 263# -xlibmil: Inline some library routines 264# (If you expect perfect errno behavior, do not use this) 265# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 266# (If you expect perfect errno behavior, do not use this) 267# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 268 269 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 270 # Bug? 271 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 272 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 273 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 274 #fi 275 276AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 277[ 278 279 ############################################################################### 280 # 281 # Setup the opt flags for different compilers 282 # and different operating systems. 283 # 284 285 # FIXME: this was indirectly the old default, but just inherited. 286 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 287 # C_FLAG_DEPS="-MMD -MF" 288 # fi 289 290 # Generate make dependency files 291 if test "x$TOOLCHAIN_TYPE" = xgcc; then 292 C_FLAG_DEPS="-MMD -MF" 293 elif test "x$TOOLCHAIN_TYPE" = xclang; then 294 C_FLAG_DEPS="-MMD -MF" 295 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 296 C_FLAG_DEPS="-xMMD -xMF" 297 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 298 C_FLAG_DEPS="-qmakedep=gcc -MF" 299 fi 300 CXX_FLAG_DEPS="$C_FLAG_DEPS" 301 AC_SUBST(C_FLAG_DEPS) 302 AC_SUBST(CXX_FLAG_DEPS) 303 304 # Debug symbols 305 if test "x$TOOLCHAIN_TYPE" = xgcc; then 306 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 307 # reduce from default "-g2" option to save space 308 CFLAGS_DEBUG_SYMBOLS="-g1" 309 CXXFLAGS_DEBUG_SYMBOLS="-g1" 310 else 311 CFLAGS_DEBUG_SYMBOLS="-g" 312 CXXFLAGS_DEBUG_SYMBOLS="-g" 313 fi 314 elif test "x$TOOLCHAIN_TYPE" = xclang; then 315 CFLAGS_DEBUG_SYMBOLS="-g" 316 CXXFLAGS_DEBUG_SYMBOLS="-g" 317 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 318 CFLAGS_DEBUG_SYMBOLS="-g -xs" 319 # FIXME: likely a bug, this disables debug symbols rather than enables them 320 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 321 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 322 CFLAGS_DEBUG_SYMBOLS="-g" 323 CXXFLAGS_DEBUG_SYMBOLS="-g" 324 fi 325 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 326 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 327 328 # bounds, memory and behavior checking options 329 if test "x$TOOLCHAIN_TYPE" = xgcc; then 330 case $DEBUG_LEVEL in 331 release ) 332 # no adjustment 333 ;; 334 fastdebug ) 335 # no adjustment 336 ;; 337 slowdebug ) 338 # Add runtime stack smashing and undefined behavior checks. 339 # Not all versions of gcc support -fstack-protector 340 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 341 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 342 343 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 344 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 345 ;; 346 esac 347 fi 348 349 # Optimization levels 350 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 351 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 352 353 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 354 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 355 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 356 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 357 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 358 C_O_FLAG_DEBUG="-xregs=no%frameptr" 359 C_O_FLAG_NONE="-xregs=no%frameptr" 360 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 361 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 362 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 363 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 364 CXX_O_FLAG_NONE="-xregs=no%frameptr" 365 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 366 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 367 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 368 fi 369 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 370 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 371 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 372 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 373 C_O_FLAG_DEBUG="" 374 C_O_FLAG_NONE="" 375 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 376 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 377 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 378 C_O_FLAG_DEBUG="" 379 CXX_O_FLAG_NONE="" 380 fi 381 else 382 # The remaining toolchains share opt flags between CC and CXX; 383 # setup for C and duplicate afterwards. 384 if test "x$TOOLCHAIN_TYPE" = xgcc; then 385 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 386 # On MacOSX we optimize for size, something 387 # we should do for all platforms? 388 C_O_FLAG_HIGHEST="-Os" 389 C_O_FLAG_HI="-Os" 390 C_O_FLAG_NORM="-Os" 391 else 392 C_O_FLAG_HIGHEST="-O3" 393 C_O_FLAG_HI="-O3" 394 C_O_FLAG_NORM="-O2" 395 fi 396 C_O_FLAG_DEBUG="-O0" 397 C_O_FLAG_NONE="-O0" 398 elif test "x$TOOLCHAIN_TYPE" = xclang; then 399 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 400 # On MacOSX we optimize for size, something 401 # we should do for all platforms? 402 C_O_FLAG_HIGHEST="-Os" 403 C_O_FLAG_HI="-Os" 404 C_O_FLAG_NORM="-Os" 405 else 406 C_O_FLAG_HIGHEST="-O3" 407 C_O_FLAG_HI="-O3" 408 C_O_FLAG_NORM="-O2" 409 fi 410 C_O_FLAG_DEBUG="-O0" 411 C_O_FLAG_NONE="-O0" 412 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 413 C_O_FLAG_HIGHEST="-O3" 414 C_O_FLAG_HI="-O3 -qstrict" 415 C_O_FLAG_NORM="-O2" 416 C_O_FLAG_DEBUG="-qnoopt" 417 C_O_FLAG_NONE="-qnoop" 418 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 419 C_O_FLAG_HIGHEST="-O2" 420 C_O_FLAG_HI="-O1" 421 C_O_FLAG_NORM="-O1" 422 C_O_FLAG_DEBUG="-Od" 423 C_O_FLAG_NONE="-Od" 424 fi 425 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 426 CXX_O_FLAG_HI="$C_O_FLAG_HI" 427 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 428 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 429 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 430 fi 431 432 # Adjust optimization flags according to debug level. 433 case $DEBUG_LEVEL in 434 release ) 435 # no adjustment 436 ;; 437 fastdebug ) 438 # Not quite so much optimization 439 C_O_FLAG_HI="$C_O_FLAG_NORM" 440 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 441 ;; 442 slowdebug ) 443 # Disable optimization 444 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 445 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 446 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 447 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 448 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 449 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 450 ;; 451 esac 452 453 AC_SUBST(C_O_FLAG_HIGHEST) 454 AC_SUBST(C_O_FLAG_HI) 455 AC_SUBST(C_O_FLAG_NORM) 456 AC_SUBST(C_O_FLAG_DEBUG) 457 AC_SUBST(C_O_FLAG_NONE) 458 AC_SUBST(CXX_O_FLAG_HIGHEST) 459 AC_SUBST(CXX_O_FLAG_HI) 460 AC_SUBST(CXX_O_FLAG_NORM) 461 AC_SUBST(CXX_O_FLAG_DEBUG) 462 AC_SUBST(CXX_O_FLAG_NONE) 463]) 464 465AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 466[ 467 # Special extras... 468 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 469 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 470 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 471 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 472 fi 473 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 474 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 475 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 476 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 477 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 478 fi 479 480 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 481 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 482 fi 483 484 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 485 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 486 fi 487 488 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 489 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 490 fi 491 492 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 493 [extra flags to be used when compiling jdk c-files])]) 494 495 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 496 [extra flags to be used when compiling jdk c++-files])]) 497 498 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 499 [extra flags to be used when linking jdk])]) 500 501 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags" 502 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags" 503 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags" 504 505 # Hotspot needs these set in their legacy form 506 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags" 507 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags" 508 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags" 509 510 AC_SUBST(LEGACY_EXTRA_CFLAGS) 511 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 512 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 513 514 ############################################################################### 515 # 516 # Now setup the CFLAGS and LDFLAGS for the JDK build. 517 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 518 # 519 520 # Setup compiler/platform specific flags into 521 # CFLAGS_JDK - C Compiler flags 522 # CXXFLAGS_JDK - C++ Compiler flags 523 # COMMON_CCXXFLAGS_JDK - common to C and C++ 524 if test "x$TOOLCHAIN_TYPE" = xgcc; then 525 if test "x$OPENJDK_TARGET_CPU" = xx86; then 526 # Force compatibility with i586 on 32 bit intel platforms. 527 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 528 fi 529 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 530 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 531 case $OPENJDK_TARGET_CPU_ARCH in 532 arm ) 533 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 534 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 535 ;; 536 ppc ) 537 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 538 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 539 ;; 540 * ) 541 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 542 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 543 ;; 544 esac 545 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 546 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 547 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 548 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 549 fi 550 551 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 552 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 553 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 554 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 555 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 556 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 557 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 558 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 559 -DWIN32_LEAN_AND_MEAN \ 560 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 561 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 562 -DWIN32 -DIAL" 563 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 564 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 565 else 566 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 567 fi 568 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 569 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 570 # studio. 571 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 572 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 573 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 574 fi 575 fi 576 577 ############################################################################### 578 579 # Adjust flags according to debug level. 580 case $DEBUG_LEVEL in 581 fastdebug | slowdebug ) 582 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 583 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 584 JAVAC_FLAGS="$JAVAC_FLAGS -g" 585 ;; 586 release ) 587 ;; 588 * ) 589 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 590 ;; 591 esac 592 593 # Setup LP64 594 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 595 596 # Set some common defines. These works for all compilers, but assume 597 # -D is universally accepted. 598 599 # Setup endianness 600 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 601 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 602 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 603 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 604 # Note: -Dmacro is the same as #define macro 1 605 # -Dmacro= is the same as #define macro 606 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 607 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 608 else 609 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 610 fi 611 else 612 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 613 # are defined in the system? 614 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 615 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 616 else 617 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 618 fi 619 fi 620 621 # Setup target OS define. Use OS target name but in upper case. 622 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 623 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 624 625 # Setup target CPU 626 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 627 628 # Setup debug/release defines 629 if test "x$DEBUG_LEVEL" = xrelease; then 630 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 631 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 632 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 633 fi 634 else 635 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 636 fi 637 638 # Setup release name 639 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 640 641 642 # Set some additional per-OS defines. 643 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 644 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 645 elif test "x$OPENJDK_TARGET_OS" = xaix; then 646 # FIXME: PPC64 should not be here. 647 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 648 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 649 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 650 fi 651 652 # Additional macosx handling 653 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 654 # Setting these parameters makes it an error to link to macosx APIs that are 655 # newer than the given OS version and makes the linked binaries compatible 656 # even if built on a newer version of the OS. 657 # The expected format is X.Y.Z 658 MACOSX_VERSION_MIN=10.7.0 659 AC_SUBST(MACOSX_VERSION_MIN) 660 661 # The macro takes the version with no dots, ex: 1070 662 # Let the flags variables get resolved in make for easier override on make 663 # command line. 664 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 665 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 666 fi 667 668 # Setup some hard coded includes 669 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 670 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 671 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 672 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include" 673 674 # The shared libraries are compiled using the picflag. 675 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 676 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 677 678 # Executable flags 679 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 680 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 681 682 AC_SUBST(CFLAGS_JDKLIB) 683 AC_SUBST(CFLAGS_JDKEXE) 684 AC_SUBST(CXXFLAGS_JDKLIB) 685 AC_SUBST(CXXFLAGS_JDKEXE) 686 687 # Flags for compiling test libraries 688 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 689 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 690 691 # Flags for compiling test executables 692 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 693 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 694 695 AC_SUBST(CFLAGS_TESTLIB) 696 AC_SUBST(CFLAGS_TESTEXE) 697 AC_SUBST(CXXFLAGS_TESTLIB) 698 AC_SUBST(CXXFLAGS_TESTEXE) 699 700 # Setup LDFLAGS et al. 701 # 702 703 # Now this is odd. The JDK native libraries have to link against libjvm.so 704 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 705 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 706 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 707 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 708 # libraries will link to whatever is in memory. Yuck. 709 # 710 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 711 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 712 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 713 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 714 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 715 fi 716 # TODO: make -debug optional "--disable-full-debug-symbols" 717 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 718 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 719 # If this is a --hash-style=gnu system, use --hash-style=both, why? 720 # We have previously set HAS_GNU_HASH if this is the case 721 if test -n "$HAS_GNU_HASH"; then 722 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 723 fi 724 if test "x$OPENJDK_TARGET_OS" = xlinux; then 725 # And since we now know that the linker is gnu, then add -z defs, to forbid 726 # undefined symbols in object files. 727 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 728 case $DEBUG_LEVEL in 729 release ) 730 # tell linker to optimize libraries. 731 # Should this be supplied to the OSS linker as well? 732 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 733 ;; 734 slowdebug ) 735 if test "x$HAS_LINKER_NOW" = "xtrue"; then 736 # do relocations at load 737 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 738 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 739 fi 740 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 741 # mark relocations read only 742 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 743 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 744 fi 745 ;; 746 fastdebug ) 747 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 748 # mark relocations read only 749 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 750 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 751 fi 752 ;; 753 * ) 754 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 755 ;; 756 esac 757 fi 758 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 759 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 760 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 761 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 762 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -liconv -bexpall -bernotok" 763 fi 764 765 # Customize LDFLAGS for executables 766 767 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 768 769 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 770 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 771 LDFLAGS_STACK_SIZE=1048576 772 else 773 LDFLAGS_STACK_SIZE=327680 774 fi 775 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 776 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 777 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 778 fi 779 780 # Customize LDFLAGS for libs 781 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 782 783 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 784 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 785 LDFLAGS_JDKLIB_SUFFIX="" 786 else 787 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 788 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 789 790 # On some platforms (mac) the linker warns about non existing -L dirs. 791 # Add server first if available. Linking aginst client does not always produce the same results. 792 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 793 # Default to server for other variants. 794 if test "x$JVM_VARIANT_SERVER" = xtrue; then 795 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 796 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 797 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 798 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 799 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 800 else 801 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 802 fi 803 804 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 805 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 806 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 807 fi 808 fi 809 810 AC_SUBST(LDFLAGS_JDKLIB) 811 AC_SUBST(LDFLAGS_JDKEXE) 812 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 813 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 814 AC_SUBST(LDFLAGS_CXX_JDK) 815 816 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 817 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 818 LDFLAGS_TESTLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX" 819 LDFLAGS_TESTEXE_SUFFIX="$LDFLAGS_JDKEXE_SUFFIX" 820 821 AC_SUBST(LDFLAGS_TESTLIB) 822 AC_SUBST(LDFLAGS_TESTEXE) 823 AC_SUBST(LDFLAGS_TESTLIB_SUFFIX) 824 AC_SUBST(LDFLAGS_TESTEXE_SUFFIX) 825]) 826 827# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 828# [RUN-IF-FALSE]) 829# ------------------------------------------------------------ 830# Check that the c and c++ compilers support an argument 831AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 832[ 833 AC_MSG_CHECKING([if compiler supports "$1"]) 834 supports=yes 835 836 saved_cflags="$CFLAGS" 837 CFLAGS="$CFLAGS $1" 838 AC_LANG_PUSH([C]) 839 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 840 [supports=no]) 841 AC_LANG_POP([C]) 842 CFLAGS="$saved_cflags" 843 844 saved_cxxflags="$CXXFLAGS" 845 CXXFLAGS="$CXXFLAG $1" 846 AC_LANG_PUSH([C++]) 847 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 848 [supports=no]) 849 AC_LANG_POP([C++]) 850 CXXFLAGS="$saved_cxxflags" 851 852 AC_MSG_RESULT([$supports]) 853 if test "x$supports" = "xyes" ; then 854 m4_ifval([$2], [$2], [:]) 855 else 856 m4_ifval([$3], [$3], [:]) 857 fi 858]) 859 860# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 861# [RUN-IF-FALSE]) 862# ------------------------------------------------------------ 863# Check that the linker support an argument 864AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 865[ 866 AC_MSG_CHECKING([if linker supports "$1"]) 867 supports=yes 868 869 saved_ldflags="$LDFLAGS" 870 LDFLAGS="$LDFLAGS $1" 871 AC_LANG_PUSH([C]) 872 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 873 [], [supports=no]) 874 AC_LANG_POP([C]) 875 LDFLAGS="$saved_ldflags" 876 877 AC_MSG_RESULT([$supports]) 878 if test "x$supports" = "xyes" ; then 879 m4_ifval([$2], [$2], [:]) 880 else 881 m4_ifval([$3], [$3], [:]) 882 fi 883]) 884 885AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 886[ 887 # Some Zero and Shark settings. 888 # ZERO_ARCHFLAG tells the compiler which mode to build for 889 case "${OPENJDK_TARGET_CPU}" in 890 s390) 891 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 892 ;; 893 *) 894 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 895 esac 896 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 897 AC_SUBST(ZERO_ARCHFLAG) 898 899 # Check that the compiler supports -mX (or -qX on AIX) flags 900 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 901 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 902 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 903 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 904 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 905 906 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 907 [do not consider native warnings to be an error @<:@enabled@:>@])]) 908 909 AC_MSG_CHECKING([if native warnings are errors]) 910 if test "x$enable_warnings_as_errors" = "xyes"; then 911 AC_MSG_RESULT([yes (explicitely set)]) 912 WARNINGS_AS_ERRORS=true 913 elif test "x$enable_warnings_as_errors" = "xno"; then 914 AC_MSG_RESULT([no]) 915 WARNINGS_AS_ERRORS=false 916 elif test "x$enable_warnings_as_errors" = "x"; then 917 AC_MSG_RESULT([yes (default)]) 918 WARNINGS_AS_ERRORS=true 919 else 920 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 921 fi 922 AC_SUBST(WARNINGS_AS_ERRORS) 923 924 case "${TOOLCHAIN_TYPE}" in 925 microsoft) 926 DISABLE_WARNING_PREFIX="-wd" 927 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 928 ;; 929 solstudio) 930 DISABLE_WARNING_PREFIX="-erroff=" 931 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 932 ;; 933 gcc) 934 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 935 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 936 [GCC_CAN_DISABLE_WARNINGS=true], 937 [GCC_CAN_DISABLE_WARNINGS=false] 938 ) 939 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 940 DISABLE_WARNING_PREFIX="-Wno-" 941 else 942 DISABLE_WARNING_PREFIX= 943 fi 944 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 945 ;; 946 clang) 947 DISABLE_WARNING_PREFIX="-Wno-" 948 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 949 ;; 950 esac 951 AC_SUBST(DISABLE_WARNING_PREFIX) 952 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 953]) 954