flags.m4 revision 1741:879da33f4837
1# 2# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4# 5# This code is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License version 2 only, as 7# published by the Free Software Foundation. Oracle designates this 8# particular file as subject to the "Classpath" exception as provided 9# by Oracle in the LICENSE file that accompanied this code. 10# 11# This code is distributed in the hope that it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# version 2 for more details (a copy is included in the LICENSE file that 15# accompanied this code). 16# 17# You should have received a copy of the GNU General Public License version 18# 2 along with this work; if not, write to the Free Software Foundation, 19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20# 21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22# or visit www.oracle.com if you need additional information or have any 23# questions. 24# 25 26# Reset the global CFLAGS/LDFLAGS variables and initialize them with the 27# corresponding configure arguments instead 28AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 29[ 30 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 31 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 32 fi 33 34 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 35 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 36 fi 37 38 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 39 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 40 fi 41 42 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 43 [extra flags to be used when compiling jdk c-files])]) 44 45 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 46 [extra flags to be used when compiling jdk c++-files])]) 47 48 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 49 [extra flags to be used when linking jdk])]) 50 51 EXTRA_CFLAGS="$with_extra_cflags" 52 EXTRA_CXXFLAGS="$with_extra_cxxflags" 53 EXTRA_LDFLAGS="$with_extra_ldflags" 54 55 # Hotspot needs these set in their legacy form 56 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS" 57 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS" 58 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS" 59 60 AC_SUBST(LEGACY_EXTRA_CFLAGS) 61 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 62 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 63 64 # The global CFLAGS and LDLAGS variables are used by configure tests and 65 # should include the extra parameters 66 CFLAGS="$EXTRA_CFLAGS" 67 CXXFLAGS="$EXTRA_CXXFLAGS" 68 LDFLAGS="$EXTRA_LDFLAGS" 69 CPPFLAGS="" 70]) 71 72# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 73# that configure can use them while detecting compilers. 74# TOOLCHAIN_TYPE is available here. 75# Param 1 - Optional prefix to all variables. (e.g BUILD_) 76AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 77[ 78 if test "x[$]$1SYSROOT" != "x"; then 79 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 80 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 81 # Solaris Studio does not have a concept of sysroot. Instead we must 82 # make sure the default include and lib dirs are appended to each 83 # compile and link command line. 84 $1SYSROOT_CFLAGS="-I[$]$1SYSROOT/usr/include" 85 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 86 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 87 -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 88 fi 89 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 90 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 91 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 92 elif test "x$TOOLCHAIN_TYPE" = xclang; then 93 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 94 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 95 fi 96 # Propagate the sysroot args to hotspot 97 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 98 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 99 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 100 # The global CFLAGS and LDFLAGS variables need these for configure to function 101 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 102 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 103 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 104 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 105 fi 106 107 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 108 # We also need -iframework<path>/System/Library/Frameworks 109 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 110 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 111 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 112 # set this here so it doesn't have to be peppered throughout the forest 113 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 114 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 115 fi 116 117 AC_SUBST($1SYSROOT_CFLAGS) 118 AC_SUBST($1SYSROOT_LDFLAGS) 119]) 120 121AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 122[ 123 # Option used to tell the compiler whether to create 32- or 64-bit executables 124 if test "x$TOOLCHAIN_TYPE" = xxlc; then 125 COMPILER_TARGET_BITS_FLAG="-q" 126 else 127 COMPILER_TARGET_BITS_FLAG="-m" 128 fi 129 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 130 131 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 132 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 133 ARFLAGS="-r" 134 elif test "x$OPENJDK_TARGET_OS" = xaix; then 135 ARFLAGS="-X64" 136 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 137 # lib.exe is used as AR to create static libraries. 138 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 139 else 140 ARFLAGS="" 141 fi 142 AC_SUBST(ARFLAGS) 143 144 ## Setup strip. 145 # FIXME: should this really be per platform, or should it be per toolchain type? 146 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 147 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 148 if test "x$OPENJDK_TARGET_OS" = xlinux; then 149 STRIPFLAGS="-g" 150 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 151 STRIPFLAGS="-x" 152 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 153 STRIPFLAGS="-S" 154 elif test "x$OPENJDK_TARGET_OS" = xaix; then 155 STRIPFLAGS="-X32_64" 156 fi 157 158 AC_SUBST(STRIPFLAGS) 159 160 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 161 CC_OUT_OPTION=-Fo 162 EXE_OUT_OPTION=-out: 163 LD_OUT_OPTION=-out: 164 AR_OUT_OPTION=-out: 165 else 166 # The option used to specify the target .o,.a or .so file. 167 # When compiling, how to specify the to be created object file. 168 CC_OUT_OPTION='-o$(SPACE)' 169 # When linking, how to specify the to be created executable. 170 EXE_OUT_OPTION='-o$(SPACE)' 171 # When linking, how to specify the to be created dynamically linkable library. 172 LD_OUT_OPTION='-o$(SPACE)' 173 # When archiving, how to specify the to be create static archive for object files. 174 AR_OUT_OPTION='rcs$(SPACE)' 175 fi 176 AC_SUBST(CC_OUT_OPTION) 177 AC_SUBST(EXE_OUT_OPTION) 178 AC_SUBST(LD_OUT_OPTION) 179 AC_SUBST(AR_OUT_OPTION) 180 181 # On Windows, we need to set RC flags. 182 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 183 RC_FLAGS="-nologo -l0x409" 184 if test "x$VARIANT" = xOPT; then 185 RC_FLAGS="$RC_FLAGS -DNDEBUG" 186 fi 187 188 # The version variables used to create RC_FLAGS may be overridden 189 # in a custom configure script, or possibly the command line. 190 # Let those variables be expanded at make time in spec.gmk. 191 # The \$ are escaped to the shell, and the $(...) variables 192 # are evaluated by make. 193 RC_FLAGS="$RC_FLAGS \ 194 -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 195 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 196 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 197 -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 198 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 199 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 200 -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 201 fi 202 AC_SUBST(RC_FLAGS) 203 204 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 205 # silence copyright notice and other headers. 206 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 207 fi 208]) 209 210AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 211[ 212 ############################################################################### 213 # 214 # How to compile shared libraries. 215 # 216 217 if test "x$TOOLCHAIN_TYPE" = xgcc; then 218 PICFLAG="-fPIC" 219 C_FLAG_REORDER='' 220 CXX_FLAG_REORDER='' 221 222 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 223 # Linking is different on MacOSX 224 if test "x$STATIC_BUILD" = xtrue; then 225 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 226 else 227 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 228 fi 229 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 230 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 231 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 232 SET_SHARED_LIBRARY_MAPFILE='' 233 else 234 # Default works for linux, might work on other platforms as well. 235 SHARED_LIBRARY_FLAGS='-shared' 236 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 237 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 238 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 239 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 240 fi 241 elif test "x$TOOLCHAIN_TYPE" = xclang; then 242 PICFLAG='' 243 C_FLAG_REORDER='' 244 CXX_FLAG_REORDER='' 245 246 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 247 # Linking is different on MacOSX 248 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 249 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 250 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 251 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 252 SET_SHARED_LIBRARY_MAPFILE='' 253 else 254 # Default works for linux, might work on other platforms as well. 255 SHARED_LIBRARY_FLAGS='-shared' 256 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 257 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 258 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 259 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 260 fi 261 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 262 PICFLAG="-KPIC" 263 C_FLAG_REORDER='-xF' 264 CXX_FLAG_REORDER='-xF' 265 SHARED_LIBRARY_FLAGS="-G" 266 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 267 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 268 SET_SHARED_LIBRARY_NAME='' 269 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 270 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 271 PICFLAG="-qpic=large" 272 C_FLAG_REORDER='' 273 CXX_FLAG_REORDER='' 274 SHARED_LIBRARY_FLAGS="-qmkshrobj" 275 SET_EXECUTABLE_ORIGIN="" 276 SET_SHARED_LIBRARY_ORIGIN='' 277 SET_SHARED_LIBRARY_NAME='' 278 SET_SHARED_LIBRARY_MAPFILE='' 279 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 280 PICFLAG="" 281 C_FLAG_REORDER='' 282 CXX_FLAG_REORDER='' 283 SHARED_LIBRARY_FLAGS="-LD" 284 SET_EXECUTABLE_ORIGIN='' 285 SET_SHARED_LIBRARY_ORIGIN='' 286 SET_SHARED_LIBRARY_NAME='' 287 SET_SHARED_LIBRARY_MAPFILE='' 288 fi 289 290 AC_SUBST(C_FLAG_REORDER) 291 AC_SUBST(CXX_FLAG_REORDER) 292 AC_SUBST(SET_EXECUTABLE_ORIGIN) 293 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 294 AC_SUBST(SET_SHARED_LIBRARY_NAME) 295 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 296 297 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 298 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 299 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 300 CFLAGS_JDKLIB_EXTRA='-xstrconst' 301 fi 302 # The (cross) compiler is now configured, we can now test capabilities 303 # of the target platform. 304]) 305 306# Documentation on common flags used for solstudio in HIGHEST. 307# 308# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 309# done with care, there are some assumptions below that need to 310# be understood about the use of pointers, and IEEE behavior. 311# 312# -fns: Use non-standard floating point mode (not IEEE 754) 313# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 314# -fsingle: Use single precision floating point with 'float' 315# -xalias_level=basic: Assume memory references via basic pointer types do not alias 316# (Source with excessing pointer casting and data access with mixed 317# pointer types are not recommended) 318# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 319# (If you expect perfect errno behavior, do not use this) 320# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 321# -xrestrict: Pointer parameters to functions do not overlap 322# (Similar to -xalias_level=basic usage, but less obvious sometimes. 323# If you pass in multiple pointers to the same data, do not use this) 324# -xlibmil: Inline some library routines 325# (If you expect perfect errno behavior, do not use this) 326# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 327# (If you expect perfect errno behavior, do not use this) 328# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 329 330 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 331 # Bug? 332 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 333 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 334 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 335 #fi 336 337AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 338[ 339 340 ############################################################################### 341 # 342 # Setup the opt flags for different compilers 343 # and different operating systems. 344 # 345 346 # FIXME: this was indirectly the old default, but just inherited. 347 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 348 # C_FLAG_DEPS="-MMD -MF" 349 # fi 350 351 # Generate make dependency files 352 if test "x$TOOLCHAIN_TYPE" = xgcc; then 353 C_FLAG_DEPS="-MMD -MF" 354 elif test "x$TOOLCHAIN_TYPE" = xclang; then 355 C_FLAG_DEPS="-MMD -MF" 356 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 357 C_FLAG_DEPS="-xMMD -xMF" 358 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 359 C_FLAG_DEPS="-qmakedep=gcc -MF" 360 fi 361 CXX_FLAG_DEPS="$C_FLAG_DEPS" 362 AC_SUBST(C_FLAG_DEPS) 363 AC_SUBST(CXX_FLAG_DEPS) 364 365 # Debug symbols 366 if test "x$TOOLCHAIN_TYPE" = xgcc; then 367 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 368 # reduce from default "-g2" option to save space 369 CFLAGS_DEBUG_SYMBOLS="-g1" 370 CXXFLAGS_DEBUG_SYMBOLS="-g1" 371 else 372 CFLAGS_DEBUG_SYMBOLS="-g" 373 CXXFLAGS_DEBUG_SYMBOLS="-g" 374 fi 375 elif test "x$TOOLCHAIN_TYPE" = xclang; then 376 CFLAGS_DEBUG_SYMBOLS="-g" 377 CXXFLAGS_DEBUG_SYMBOLS="-g" 378 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 379 CFLAGS_DEBUG_SYMBOLS="-g -xs" 380 # FIXME: likely a bug, this disables debug symbols rather than enables them 381 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 382 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 383 CFLAGS_DEBUG_SYMBOLS="-g" 384 CXXFLAGS_DEBUG_SYMBOLS="-g" 385 fi 386 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 387 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 388 389 # bounds, memory and behavior checking options 390 if test "x$TOOLCHAIN_TYPE" = xgcc; then 391 case $DEBUG_LEVEL in 392 release ) 393 # no adjustment 394 ;; 395 fastdebug ) 396 # no adjustment 397 ;; 398 slowdebug ) 399 # Add runtime stack smashing and undefined behavior checks. 400 # Not all versions of gcc support -fstack-protector 401 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 402 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 403 404 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 405 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 406 ;; 407 esac 408 fi 409 410 # Optimization levels 411 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 412 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 413 414 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 415 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 416 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 417 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 418 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 419 C_O_FLAG_DEBUG="-xregs=no%frameptr" 420 C_O_FLAG_NONE="-xregs=no%frameptr" 421 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 422 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 423 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 424 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 425 CXX_O_FLAG_NONE="-xregs=no%frameptr" 426 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 427 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 428 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 429 fi 430 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 431 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 432 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 433 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 434 C_O_FLAG_DEBUG="" 435 C_O_FLAG_NONE="" 436 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 437 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 438 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 439 C_O_FLAG_DEBUG="" 440 CXX_O_FLAG_NONE="" 441 fi 442 else 443 # The remaining toolchains share opt flags between CC and CXX; 444 # setup for C and duplicate afterwards. 445 if test "x$TOOLCHAIN_TYPE" = xgcc; then 446 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 447 # On MacOSX we optimize for size, something 448 # we should do for all platforms? 449 C_O_FLAG_HIGHEST="-Os" 450 C_O_FLAG_HI="-Os" 451 C_O_FLAG_NORM="-Os" 452 else 453 C_O_FLAG_HIGHEST="-O3" 454 C_O_FLAG_HI="-O3" 455 C_O_FLAG_NORM="-O2" 456 fi 457 C_O_FLAG_DEBUG="-O0" 458 C_O_FLAG_NONE="-O0" 459 elif test "x$TOOLCHAIN_TYPE" = xclang; then 460 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 461 # On MacOSX we optimize for size, something 462 # we should do for all platforms? 463 C_O_FLAG_HIGHEST="-Os" 464 C_O_FLAG_HI="-Os" 465 C_O_FLAG_NORM="-Os" 466 else 467 C_O_FLAG_HIGHEST="-O3" 468 C_O_FLAG_HI="-O3" 469 C_O_FLAG_NORM="-O2" 470 fi 471 C_O_FLAG_DEBUG="-O0" 472 C_O_FLAG_NONE="-O0" 473 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 474 C_O_FLAG_HIGHEST="-O3" 475 C_O_FLAG_HI="-O3 -qstrict" 476 C_O_FLAG_NORM="-O2" 477 C_O_FLAG_DEBUG="-qnoopt" 478 C_O_FLAG_NONE="-qnoop" 479 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 480 C_O_FLAG_HIGHEST="-O2" 481 C_O_FLAG_HI="-O1" 482 C_O_FLAG_NORM="-O1" 483 C_O_FLAG_DEBUG="-Od" 484 C_O_FLAG_NONE="-Od" 485 fi 486 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 487 CXX_O_FLAG_HI="$C_O_FLAG_HI" 488 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 489 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 490 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 491 fi 492 493 # Adjust optimization flags according to debug level. 494 case $DEBUG_LEVEL in 495 release ) 496 # no adjustment 497 ;; 498 fastdebug ) 499 # Not quite so much optimization 500 C_O_FLAG_HI="$C_O_FLAG_NORM" 501 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 502 ;; 503 slowdebug ) 504 # Disable optimization 505 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 506 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 507 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 508 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 509 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 510 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 511 ;; 512 esac 513 514 AC_SUBST(C_O_FLAG_HIGHEST) 515 AC_SUBST(C_O_FLAG_HI) 516 AC_SUBST(C_O_FLAG_NORM) 517 AC_SUBST(C_O_FLAG_DEBUG) 518 AC_SUBST(C_O_FLAG_NONE) 519 AC_SUBST(CXX_O_FLAG_HIGHEST) 520 AC_SUBST(CXX_O_FLAG_HI) 521 AC_SUBST(CXX_O_FLAG_NORM) 522 AC_SUBST(CXX_O_FLAG_DEBUG) 523 AC_SUBST(CXX_O_FLAG_NONE) 524]) 525 526AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 527[ 528 # Special extras... 529 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 530 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 531 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 532 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 533 fi 534 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 535 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 536 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 537 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 538 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 539 fi 540 541 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 542 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 543 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 544 545 ############################################################################### 546 # 547 # Now setup the CFLAGS and LDFLAGS for the JDK build. 548 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 549 # 550 551 # Setup compiler/platform specific flags into 552 # CFLAGS_JDK - C Compiler flags 553 # CXXFLAGS_JDK - C++ Compiler flags 554 # COMMON_CCXXFLAGS_JDK - common to C and C++ 555 if test "x$TOOLCHAIN_TYPE" = xgcc; then 556 if test "x$OPENJDK_TARGET_CPU" = xx86; then 557 # Force compatibility with i586 on 32 bit intel platforms. 558 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 559 fi 560 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 561 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 562 case $OPENJDK_TARGET_CPU_ARCH in 563 arm ) 564 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 565 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 566 ;; 567 ppc ) 568 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 569 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 570 ;; 571 * ) 572 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 573 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 574 ;; 575 esac 576 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 577 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 578 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 579 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 580 fi 581 582 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 583 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 584 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 585 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 586 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 587 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 588 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 589 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 590 -DWIN32_LEAN_AND_MEAN \ 591 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 592 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 593 -DWIN32 -DIAL" 594 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 595 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 596 else 597 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 598 fi 599 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 600 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 601 # studio. 602 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 603 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 604 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 605 fi 606 fi 607 608 ############################################################################### 609 610 # Adjust flags according to debug level. 611 case $DEBUG_LEVEL in 612 fastdebug | slowdebug ) 613 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 614 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 615 JAVAC_FLAGS="$JAVAC_FLAGS -g" 616 ;; 617 release ) 618 ;; 619 * ) 620 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 621 ;; 622 esac 623 624 # Setup LP64 625 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 626 627 # Set some common defines. These works for all compilers, but assume 628 # -D is universally accepted. 629 630 # Setup endianness 631 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 632 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 633 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 634 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 635 # Note: -Dmacro is the same as #define macro 1 636 # -Dmacro= is the same as #define macro 637 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 638 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 639 else 640 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 641 fi 642 else 643 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 644 # are defined in the system? 645 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 646 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 647 else 648 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 649 fi 650 fi 651 652 # Setup target OS define. Use OS target name but in upper case. 653 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 654 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 655 656 # Setup target CPU 657 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 658 659 # Setup debug/release defines 660 if test "x$DEBUG_LEVEL" = xrelease; then 661 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 662 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 663 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 664 fi 665 else 666 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 667 fi 668 669 # Setup release name 670 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 671 672 673 # Set some additional per-OS defines. 674 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 675 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 676 elif test "x$OPENJDK_TARGET_OS" = xaix; then 677 # FIXME: PPC64 should not be here. 678 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 679 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 680 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 681 fi 682 683 # Additional macosx handling 684 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 685 # Setting these parameters makes it an error to link to macosx APIs that are 686 # newer than the given OS version and makes the linked binaries compatible 687 # even if built on a newer version of the OS. 688 # The expected format is X.Y.Z 689 MACOSX_VERSION_MIN=10.7.0 690 AC_SUBST(MACOSX_VERSION_MIN) 691 692 # The macro takes the version with no dots, ex: 1070 693 # Let the flags variables get resolved in make for easier override on make 694 # command line. 695 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 696 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 697 fi 698 699 # Setup some hard coded includes 700 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 701 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 702 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 703 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include \ 704 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 705 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava" 706 707 # The shared libraries are compiled using the picflag. 708 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 709 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 710 711 # Executable flags 712 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 713 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 714 715 AC_SUBST(CFLAGS_JDKLIB) 716 AC_SUBST(CFLAGS_JDKEXE) 717 AC_SUBST(CXXFLAGS_JDKLIB) 718 AC_SUBST(CXXFLAGS_JDKEXE) 719 720 # Flags for compiling test libraries 721 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 722 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 723 724 # Flags for compiling test executables 725 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 726 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 727 728 AC_SUBST(CFLAGS_TESTLIB) 729 AC_SUBST(CFLAGS_TESTEXE) 730 AC_SUBST(CXXFLAGS_TESTLIB) 731 AC_SUBST(CXXFLAGS_TESTEXE) 732 733 # Setup LDFLAGS et al. 734 # 735 736 # Now this is odd. The JDK native libraries have to link against libjvm.so 737 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 738 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 739 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 740 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 741 # libraries will link to whatever is in memory. Yuck. 742 # 743 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 744 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 745 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 746 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 747 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 748 fi 749 # TODO: make -debug optional "--disable-full-debug-symbols" 750 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 751 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 752 # If this is a --hash-style=gnu system, use --hash-style=both, why? 753 # We have previously set HAS_GNU_HASH if this is the case 754 if test -n "$HAS_GNU_HASH"; then 755 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 756 fi 757 if test "x$OPENJDK_TARGET_OS" = xlinux; then 758 # And since we now know that the linker is gnu, then add -z defs, to forbid 759 # undefined symbols in object files. 760 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 761 case $DEBUG_LEVEL in 762 release ) 763 # tell linker to optimize libraries. 764 # Should this be supplied to the OSS linker as well? 765 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 766 ;; 767 slowdebug ) 768 if test "x$HAS_LINKER_NOW" = "xtrue"; then 769 # do relocations at load 770 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 771 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 772 fi 773 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 774 # mark relocations read only 775 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 776 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 777 fi 778 ;; 779 fastdebug ) 780 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 781 # mark relocations read only 782 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 783 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 784 fi 785 ;; 786 * ) 787 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 788 ;; 789 esac 790 fi 791 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 792 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 793 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 794 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 795 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -bexpall -bernotok" 796 fi 797 798 # Customize LDFLAGS for executables 799 800 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 801 802 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 803 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 804 LDFLAGS_STACK_SIZE=1048576 805 else 806 LDFLAGS_STACK_SIZE=327680 807 fi 808 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 809 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 810 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 811 fi 812 813 # Customize LDFLAGS for libs 814 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 815 816 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 817 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 818 JDKLIB_LIBS="" 819 else 820 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 821 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 822 823 # On some platforms (mac) the linker warns about non existing -L dirs. 824 # Add server first if available. Linking aginst client does not always produce the same results. 825 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 826 # Default to server for other variants. 827 if test "x$JVM_VARIANT_SERVER" = xtrue; then 828 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 829 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 830 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 831 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 832 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 833 else 834 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 835 fi 836 837 JDKLIB_LIBS="-ljava -ljvm" 838 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 839 JDKLIB_LIBS="$JDKLIB_LIBS -lc" 840 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 841 JDKLIB_LIBS="$JDKLIB_LIBS -liconv" 842 fi 843 fi 844 845 AC_SUBST(LDFLAGS_JDKLIB) 846 AC_SUBST(LDFLAGS_JDKEXE) 847 AC_SUBST(JDKLIB_LIBS) 848 AC_SUBST(JDKEXE_LIBS) 849 AC_SUBST(LDFLAGS_CXX_JDK) 850 851 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 852 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 853 854 AC_SUBST(LDFLAGS_TESTLIB) 855 AC_SUBST(LDFLAGS_TESTEXE) 856]) 857 858# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 859# [RUN-IF-FALSE]) 860# ------------------------------------------------------------ 861# Check that the c and c++ compilers support an argument 862AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 863[ 864 AC_MSG_CHECKING([if compiler supports "$1"]) 865 supports=yes 866 867 saved_cflags="$CFLAGS" 868 CFLAGS="$CFLAGS $1" 869 AC_LANG_PUSH([C]) 870 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 871 [supports=no]) 872 AC_LANG_POP([C]) 873 CFLAGS="$saved_cflags" 874 875 saved_cxxflags="$CXXFLAGS" 876 CXXFLAGS="$CXXFLAG $1" 877 AC_LANG_PUSH([C++]) 878 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 879 [supports=no]) 880 AC_LANG_POP([C++]) 881 CXXFLAGS="$saved_cxxflags" 882 883 AC_MSG_RESULT([$supports]) 884 if test "x$supports" = "xyes" ; then 885 m4_ifval([$2], [$2], [:]) 886 else 887 m4_ifval([$3], [$3], [:]) 888 fi 889]) 890 891# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 892# [RUN-IF-FALSE]) 893# ------------------------------------------------------------ 894# Check that the linker support an argument 895AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 896[ 897 AC_MSG_CHECKING([if linker supports "$1"]) 898 supports=yes 899 900 saved_ldflags="$LDFLAGS" 901 LDFLAGS="$LDFLAGS $1" 902 AC_LANG_PUSH([C]) 903 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 904 [], [supports=no]) 905 AC_LANG_POP([C]) 906 LDFLAGS="$saved_ldflags" 907 908 AC_MSG_RESULT([$supports]) 909 if test "x$supports" = "xyes" ; then 910 m4_ifval([$2], [$2], [:]) 911 else 912 m4_ifval([$3], [$3], [:]) 913 fi 914]) 915 916AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 917[ 918 # Some Zero and Shark settings. 919 # ZERO_ARCHFLAG tells the compiler which mode to build for 920 case "${OPENJDK_TARGET_CPU}" in 921 s390) 922 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 923 ;; 924 *) 925 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 926 esac 927 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 928 AC_SUBST(ZERO_ARCHFLAG) 929 930 # Check that the compiler supports -mX (or -qX on AIX) flags 931 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 932 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 933 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 934 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 935 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 936 937 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 938 [do not consider native warnings to be an error @<:@enabled@:>@])]) 939 940 AC_MSG_CHECKING([if native warnings are errors]) 941 if test "x$enable_warnings_as_errors" = "xyes"; then 942 AC_MSG_RESULT([yes (explicitely set)]) 943 WARNINGS_AS_ERRORS=true 944 elif test "x$enable_warnings_as_errors" = "xno"; then 945 AC_MSG_RESULT([no]) 946 WARNINGS_AS_ERRORS=false 947 elif test "x$enable_warnings_as_errors" = "x"; then 948 AC_MSG_RESULT([yes (default)]) 949 WARNINGS_AS_ERRORS=true 950 else 951 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 952 fi 953 AC_SUBST(WARNINGS_AS_ERRORS) 954 955 case "${TOOLCHAIN_TYPE}" in 956 microsoft) 957 DISABLE_WARNING_PREFIX="-wd" 958 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 959 ;; 960 solstudio) 961 DISABLE_WARNING_PREFIX="-erroff=" 962 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 963 ;; 964 gcc) 965 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 966 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 967 [GCC_CAN_DISABLE_WARNINGS=true], 968 [GCC_CAN_DISABLE_WARNINGS=false] 969 ) 970 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 971 DISABLE_WARNING_PREFIX="-Wno-" 972 else 973 DISABLE_WARNING_PREFIX= 974 fi 975 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 976 ;; 977 clang) 978 DISABLE_WARNING_PREFIX="-Wno-" 979 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 980 ;; 981 esac 982 AC_SUBST(DISABLE_WARNING_PREFIX) 983 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 984]) 985