flags.m4 revision 1666:941f3d1bad00
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. 75AC_DEFUN_ONCE([FLAGS_SETUP_SYSROOT_FLAGS], 76[ 77 if test "x$SYSROOT" != "x"; then 78 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 79 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 80 # Solaris Studio does not have a concept of sysroot. Instead we must 81 # make sure the default include and lib dirs are appended to each 82 # compile and link command line. 83 SYSROOT_CFLAGS="-I$SYSROOT/usr/include" 84 SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 85 -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 86 -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 87 fi 88 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 89 SYSROOT_CFLAGS="--sysroot=$SYSROOT" 90 SYSROOT_LDFLAGS="--sysroot=$SYSROOT" 91 elif test "x$TOOLCHAIN_TYPE" = xclang; then 92 SYSROOT_CFLAGS="-isysroot $SYSROOT" 93 SYSROOT_LDFLAGS="-isysroot $SYSROOT" 94 fi 95 # Propagate the sysroot args to hotspot 96 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS" 97 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS" 98 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS" 99 # The global CFLAGS and LDFLAGS variables need these for configure to function 100 CFLAGS="$CFLAGS $SYSROOT_CFLAGS" 101 CPPFLAGS="$CPPFLAGS $SYSROOT_CFLAGS" 102 CXXFLAGS="$CXXFLAGS $SYSROOT_CFLAGS" 103 LDFLAGS="$LDFLAGS $SYSROOT_LDFLAGS" 104 fi 105 106 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 107 # We also need -iframework<path>/System/Library/Frameworks 108 SYSROOT_CFLAGS="$SYSROOT_CFLAGS -iframework $SYSROOT/System/Library/Frameworks" 109 SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -iframework $SYSROOT/System/Library/Frameworks" 110 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 111 # set this here so it doesn't have to be peppered throughout the forest 112 SYSROOT_CFLAGS="$SYSROOT_CFLAGS -F $SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 113 SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -F $SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 114 fi 115 116 AC_SUBST(SYSROOT_CFLAGS) 117 AC_SUBST(SYSROOT_LDFLAGS) 118]) 119 120AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 121[ 122 # Option used to tell the compiler whether to create 32- or 64-bit executables 123 if test "x$TOOLCHAIN_TYPE" = xxlc; then 124 COMPILER_TARGET_BITS_FLAG="-q" 125 else 126 COMPILER_TARGET_BITS_FLAG="-m" 127 fi 128 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 129 130 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 131 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 132 ARFLAGS="-r" 133 elif test "x$OPENJDK_TARGET_OS" = xaix; then 134 ARFLAGS="-X64" 135 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 136 # lib.exe is used as AR to create static libraries. 137 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 138 else 139 ARFLAGS="" 140 fi 141 AC_SUBST(ARFLAGS) 142 143 ## Setup strip. 144 # FIXME: should this really be per platform, or should it be per toolchain type? 145 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 146 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 147 if test "x$OPENJDK_TARGET_OS" = xlinux; then 148 STRIPFLAGS="-g" 149 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 150 STRIPFLAGS="-x" 151 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 152 STRIPFLAGS="-S" 153 elif test "x$OPENJDK_TARGET_OS" = xaix; then 154 STRIPFLAGS="-X32_64" 155 fi 156 157 AC_SUBST(STRIPFLAGS) 158 159 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 160 CC_OUT_OPTION=-Fo 161 EXE_OUT_OPTION=-out: 162 LD_OUT_OPTION=-out: 163 AR_OUT_OPTION=-out: 164 else 165 # The option used to specify the target .o,.a or .so file. 166 # When compiling, how to specify the to be created object file. 167 CC_OUT_OPTION='-o$(SPACE)' 168 # When linking, how to specify the to be created executable. 169 EXE_OUT_OPTION='-o$(SPACE)' 170 # When linking, how to specify the to be created dynamically linkable library. 171 LD_OUT_OPTION='-o$(SPACE)' 172 # When archiving, how to specify the to be create static archive for object files. 173 AR_OUT_OPTION='rcs$(SPACE)' 174 fi 175 AC_SUBST(CC_OUT_OPTION) 176 AC_SUBST(EXE_OUT_OPTION) 177 AC_SUBST(LD_OUT_OPTION) 178 AC_SUBST(AR_OUT_OPTION) 179 180 # On Windows, we need to set RC flags. 181 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 182 RC_FLAGS="-nologo -l0x409" 183 if test "x$VARIANT" = xOPT; then 184 RC_FLAGS="$RC_FLAGS -DNDEBUG" 185 fi 186 187 # The version variables used to create RC_FLAGS may be overridden 188 # in a custom configure script, or possibly the command line. 189 # Let those variables be expanded at make time in spec.gmk. 190 # The \$ are escaped to the shell, and the $(...) variables 191 # are evaluated by make. 192 RC_FLAGS="$RC_FLAGS \ 193 -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 194 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 195 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 196 -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 197 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 198 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 199 -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 200 fi 201 AC_SUBST(RC_FLAGS) 202 203 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 204 # silence copyright notice and other headers. 205 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 206 fi 207]) 208 209AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 210[ 211 ############################################################################### 212 # 213 # How to compile shared libraries. 214 # 215 216 if test "x$TOOLCHAIN_TYPE" = xgcc; then 217 PICFLAG="-fPIC" 218 C_FLAG_REORDER='' 219 CXX_FLAG_REORDER='' 220 221 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 222 # Linking is different on MacOSX 223 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 224 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 225 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 226 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 227 SET_SHARED_LIBRARY_MAPFILE='' 228 else 229 # Default works for linux, might work on other platforms as well. 230 SHARED_LIBRARY_FLAGS='-shared' 231 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 232 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 233 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 234 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 235 fi 236 elif test "x$TOOLCHAIN_TYPE" = xclang; then 237 PICFLAG='' 238 C_FLAG_REORDER='' 239 CXX_FLAG_REORDER='' 240 241 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 242 # Linking is different on MacOSX 243 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 244 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 245 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 246 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 247 SET_SHARED_LIBRARY_MAPFILE='' 248 else 249 # Default works for linux, might work on other platforms as well. 250 SHARED_LIBRARY_FLAGS='-shared' 251 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 252 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 253 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 254 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 255 fi 256 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 257 PICFLAG="-KPIC" 258 C_FLAG_REORDER='-xF' 259 CXX_FLAG_REORDER='-xF' 260 SHARED_LIBRARY_FLAGS="-G" 261 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 262 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 263 SET_SHARED_LIBRARY_NAME='' 264 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 265 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 266 PICFLAG="-qpic=large" 267 C_FLAG_REORDER='' 268 CXX_FLAG_REORDER='' 269 SHARED_LIBRARY_FLAGS="-qmkshrobj" 270 SET_EXECUTABLE_ORIGIN="" 271 SET_SHARED_LIBRARY_ORIGIN='' 272 SET_SHARED_LIBRARY_NAME='' 273 SET_SHARED_LIBRARY_MAPFILE='' 274 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 275 PICFLAG="" 276 C_FLAG_REORDER='' 277 CXX_FLAG_REORDER='' 278 SHARED_LIBRARY_FLAGS="-LD" 279 SET_EXECUTABLE_ORIGIN='' 280 SET_SHARED_LIBRARY_ORIGIN='' 281 SET_SHARED_LIBRARY_NAME='' 282 SET_SHARED_LIBRARY_MAPFILE='' 283 fi 284 285 AC_SUBST(C_FLAG_REORDER) 286 AC_SUBST(CXX_FLAG_REORDER) 287 AC_SUBST(SET_EXECUTABLE_ORIGIN) 288 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 289 AC_SUBST(SET_SHARED_LIBRARY_NAME) 290 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 291 292 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 293 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 294 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 295 CFLAGS_JDKLIB_EXTRA='-xstrconst' 296 fi 297 # The (cross) compiler is now configured, we can now test capabilities 298 # of the target platform. 299]) 300 301# Documentation on common flags used for solstudio in HIGHEST. 302# 303# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 304# done with care, there are some assumptions below that need to 305# be understood about the use of pointers, and IEEE behavior. 306# 307# -fns: Use non-standard floating point mode (not IEEE 754) 308# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 309# -fsingle: Use single precision floating point with 'float' 310# -xalias_level=basic: Assume memory references via basic pointer types do not alias 311# (Source with excessing pointer casting and data access with mixed 312# pointer types are not recommended) 313# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 314# (If you expect perfect errno behavior, do not use this) 315# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 316# -xrestrict: Pointer parameters to functions do not overlap 317# (Similar to -xalias_level=basic usage, but less obvious sometimes. 318# If you pass in multiple pointers to the same data, do not use this) 319# -xlibmil: Inline some library routines 320# (If you expect perfect errno behavior, do not use this) 321# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 322# (If you expect perfect errno behavior, do not use this) 323# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 324 325 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 326 # Bug? 327 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 328 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 329 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 330 #fi 331 332AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 333[ 334 335 ############################################################################### 336 # 337 # Setup the opt flags for different compilers 338 # and different operating systems. 339 # 340 341 # FIXME: this was indirectly the old default, but just inherited. 342 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 343 # C_FLAG_DEPS="-MMD -MF" 344 # fi 345 346 # Generate make dependency files 347 if test "x$TOOLCHAIN_TYPE" = xgcc; then 348 C_FLAG_DEPS="-MMD -MF" 349 elif test "x$TOOLCHAIN_TYPE" = xclang; then 350 C_FLAG_DEPS="-MMD -MF" 351 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 352 C_FLAG_DEPS="-xMMD -xMF" 353 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 354 C_FLAG_DEPS="-qmakedep=gcc -MF" 355 fi 356 CXX_FLAG_DEPS="$C_FLAG_DEPS" 357 AC_SUBST(C_FLAG_DEPS) 358 AC_SUBST(CXX_FLAG_DEPS) 359 360 # Debug symbols 361 if test "x$TOOLCHAIN_TYPE" = xgcc; then 362 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 363 # reduce from default "-g2" option to save space 364 CFLAGS_DEBUG_SYMBOLS="-g1" 365 CXXFLAGS_DEBUG_SYMBOLS="-g1" 366 else 367 CFLAGS_DEBUG_SYMBOLS="-g" 368 CXXFLAGS_DEBUG_SYMBOLS="-g" 369 fi 370 elif test "x$TOOLCHAIN_TYPE" = xclang; then 371 CFLAGS_DEBUG_SYMBOLS="-g" 372 CXXFLAGS_DEBUG_SYMBOLS="-g" 373 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 374 CFLAGS_DEBUG_SYMBOLS="-g -xs" 375 # FIXME: likely a bug, this disables debug symbols rather than enables them 376 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 377 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 378 CFLAGS_DEBUG_SYMBOLS="-g" 379 CXXFLAGS_DEBUG_SYMBOLS="-g" 380 fi 381 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 382 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 383 384 # bounds, memory and behavior checking options 385 if test "x$TOOLCHAIN_TYPE" = xgcc; then 386 case $DEBUG_LEVEL in 387 release ) 388 # no adjustment 389 ;; 390 fastdebug ) 391 # no adjustment 392 ;; 393 slowdebug ) 394 # Add runtime stack smashing and undefined behavior checks. 395 # Not all versions of gcc support -fstack-protector 396 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 397 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 398 399 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 400 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 401 ;; 402 esac 403 fi 404 405 # Optimization levels 406 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 407 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 408 409 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 410 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 411 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 412 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 413 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 414 C_O_FLAG_DEBUG="-xregs=no%frameptr" 415 C_O_FLAG_NONE="-xregs=no%frameptr" 416 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 417 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 418 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 419 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 420 CXX_O_FLAG_NONE="-xregs=no%frameptr" 421 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 422 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 423 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 424 fi 425 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 426 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 427 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 428 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 429 C_O_FLAG_DEBUG="" 430 C_O_FLAG_NONE="" 431 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 432 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 433 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 434 C_O_FLAG_DEBUG="" 435 CXX_O_FLAG_NONE="" 436 fi 437 else 438 # The remaining toolchains share opt flags between CC and CXX; 439 # setup for C and duplicate afterwards. 440 if test "x$TOOLCHAIN_TYPE" = xgcc; then 441 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 442 # On MacOSX we optimize for size, something 443 # we should do for all platforms? 444 C_O_FLAG_HIGHEST="-Os" 445 C_O_FLAG_HI="-Os" 446 C_O_FLAG_NORM="-Os" 447 else 448 C_O_FLAG_HIGHEST="-O3" 449 C_O_FLAG_HI="-O3" 450 C_O_FLAG_NORM="-O2" 451 fi 452 C_O_FLAG_DEBUG="-O0" 453 C_O_FLAG_NONE="-O0" 454 elif test "x$TOOLCHAIN_TYPE" = xclang; then 455 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 456 # On MacOSX we optimize for size, something 457 # we should do for all platforms? 458 C_O_FLAG_HIGHEST="-Os" 459 C_O_FLAG_HI="-Os" 460 C_O_FLAG_NORM="-Os" 461 else 462 C_O_FLAG_HIGHEST="-O3" 463 C_O_FLAG_HI="-O3" 464 C_O_FLAG_NORM="-O2" 465 fi 466 C_O_FLAG_DEBUG="-O0" 467 C_O_FLAG_NONE="-O0" 468 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 469 C_O_FLAG_HIGHEST="-O3" 470 C_O_FLAG_HI="-O3 -qstrict" 471 C_O_FLAG_NORM="-O2" 472 C_O_FLAG_DEBUG="-qnoopt" 473 C_O_FLAG_NONE="-qnoop" 474 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 475 C_O_FLAG_HIGHEST="-O2" 476 C_O_FLAG_HI="-O1" 477 C_O_FLAG_NORM="-O1" 478 C_O_FLAG_DEBUG="-Od" 479 C_O_FLAG_NONE="-Od" 480 fi 481 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 482 CXX_O_FLAG_HI="$C_O_FLAG_HI" 483 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 484 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 485 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 486 fi 487 488 # Adjust optimization flags according to debug level. 489 case $DEBUG_LEVEL in 490 release ) 491 # no adjustment 492 ;; 493 fastdebug ) 494 # Not quite so much optimization 495 C_O_FLAG_HI="$C_O_FLAG_NORM" 496 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 497 ;; 498 slowdebug ) 499 # Disable optimization 500 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 501 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 502 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 503 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 504 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 505 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 506 ;; 507 esac 508 509 AC_SUBST(C_O_FLAG_HIGHEST) 510 AC_SUBST(C_O_FLAG_HI) 511 AC_SUBST(C_O_FLAG_NORM) 512 AC_SUBST(C_O_FLAG_DEBUG) 513 AC_SUBST(C_O_FLAG_NONE) 514 AC_SUBST(CXX_O_FLAG_HIGHEST) 515 AC_SUBST(CXX_O_FLAG_HI) 516 AC_SUBST(CXX_O_FLAG_NORM) 517 AC_SUBST(CXX_O_FLAG_DEBUG) 518 AC_SUBST(CXX_O_FLAG_NONE) 519]) 520 521AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 522[ 523 # Special extras... 524 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 525 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 526 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 527 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 528 fi 529 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 530 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 531 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 532 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 533 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 534 fi 535 536 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 537 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 538 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 539 540 ############################################################################### 541 # 542 # Now setup the CFLAGS and LDFLAGS for the JDK build. 543 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 544 # 545 546 # Setup compiler/platform specific flags into 547 # CFLAGS_JDK - C Compiler flags 548 # CXXFLAGS_JDK - C++ Compiler flags 549 # COMMON_CCXXFLAGS_JDK - common to C and C++ 550 if test "x$TOOLCHAIN_TYPE" = xgcc; then 551 if test "x$OPENJDK_TARGET_CPU" = xx86; then 552 # Force compatibility with i586 on 32 bit intel platforms. 553 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 554 fi 555 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 556 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 557 case $OPENJDK_TARGET_CPU_ARCH in 558 arm ) 559 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 560 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 561 ;; 562 ppc ) 563 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 564 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 565 ;; 566 * ) 567 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 568 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 569 ;; 570 esac 571 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 572 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 573 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 574 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 575 fi 576 577 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 578 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 579 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 580 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 581 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 582 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 583 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 584 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 585 -DWIN32_LEAN_AND_MEAN \ 586 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 587 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 588 -DWIN32 -DIAL" 589 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 590 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 591 else 592 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 593 fi 594 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 595 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 596 # studio. 597 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 598 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 599 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 600 fi 601 fi 602 603 ############################################################################### 604 605 # Adjust flags according to debug level. 606 case $DEBUG_LEVEL in 607 fastdebug | slowdebug ) 608 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 609 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 610 JAVAC_FLAGS="$JAVAC_FLAGS -g" 611 ;; 612 release ) 613 ;; 614 * ) 615 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 616 ;; 617 esac 618 619 # Setup LP64 620 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 621 622 # Set some common defines. These works for all compilers, but assume 623 # -D is universally accepted. 624 625 # Setup endianness 626 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 627 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 628 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 629 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 630 # Note: -Dmacro is the same as #define macro 1 631 # -Dmacro= is the same as #define macro 632 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 633 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 634 else 635 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 636 fi 637 else 638 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 639 # are defined in the system? 640 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 641 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 642 else 643 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 644 fi 645 fi 646 647 # Setup target OS define. Use OS target name but in upper case. 648 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 649 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 650 651 # Setup target CPU 652 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 653 654 # Setup debug/release defines 655 if test "x$DEBUG_LEVEL" = xrelease; then 656 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 657 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 658 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 659 fi 660 else 661 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 662 fi 663 664 # Setup release name 665 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 666 667 668 # Set some additional per-OS defines. 669 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 670 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 671 elif test "x$OPENJDK_TARGET_OS" = xaix; then 672 # FIXME: PPC64 should not be here. 673 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 674 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 675 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 676 fi 677 678 # Additional macosx handling 679 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 680 # Setting these parameters makes it an error to link to macosx APIs that are 681 # newer than the given OS version and makes the linked binaries compatible 682 # even if built on a newer version of the OS. 683 # The expected format is X.Y.Z 684 MACOSX_VERSION_MIN=10.7.0 685 AC_SUBST(MACOSX_VERSION_MIN) 686 687 # The macro takes the version with no dots, ex: 1070 688 # Let the flags variables get resolved in make for easier override on make 689 # command line. 690 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 691 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 692 fi 693 694 # Setup some hard coded includes 695 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 696 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 697 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 698 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include" 699 700 # The shared libraries are compiled using the picflag. 701 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 702 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 703 704 # Executable flags 705 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 706 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 707 708 AC_SUBST(CFLAGS_JDKLIB) 709 AC_SUBST(CFLAGS_JDKEXE) 710 AC_SUBST(CXXFLAGS_JDKLIB) 711 AC_SUBST(CXXFLAGS_JDKEXE) 712 713 # Flags for compiling test libraries 714 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 715 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 716 717 # Flags for compiling test executables 718 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 719 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 720 721 AC_SUBST(CFLAGS_TESTLIB) 722 AC_SUBST(CFLAGS_TESTEXE) 723 AC_SUBST(CXXFLAGS_TESTLIB) 724 AC_SUBST(CXXFLAGS_TESTEXE) 725 726 # Setup LDFLAGS et al. 727 # 728 729 # Now this is odd. The JDK native libraries have to link against libjvm.so 730 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 731 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 732 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 733 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 734 # libraries will link to whatever is in memory. Yuck. 735 # 736 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 737 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 738 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 739 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 740 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 741 fi 742 # TODO: make -debug optional "--disable-full-debug-symbols" 743 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 744 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 745 # If this is a --hash-style=gnu system, use --hash-style=both, why? 746 # We have previously set HAS_GNU_HASH if this is the case 747 if test -n "$HAS_GNU_HASH"; then 748 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 749 fi 750 if test "x$OPENJDK_TARGET_OS" = xlinux; then 751 # And since we now know that the linker is gnu, then add -z defs, to forbid 752 # undefined symbols in object files. 753 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 754 case $DEBUG_LEVEL in 755 release ) 756 # tell linker to optimize libraries. 757 # Should this be supplied to the OSS linker as well? 758 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 759 ;; 760 slowdebug ) 761 if test "x$HAS_LINKER_NOW" = "xtrue"; then 762 # do relocations at load 763 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 764 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 765 fi 766 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 767 # mark relocations read only 768 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 769 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 770 fi 771 ;; 772 fastdebug ) 773 if test "x$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 * ) 780 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 781 ;; 782 esac 783 fi 784 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 785 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 786 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 787 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 788 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -liconv -bexpall -bernotok" 789 fi 790 791 # Customize LDFLAGS for executables 792 793 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 794 795 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 796 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 797 LDFLAGS_STACK_SIZE=1048576 798 else 799 LDFLAGS_STACK_SIZE=327680 800 fi 801 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 802 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 803 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 804 fi 805 806 # Customize LDFLAGS for libs 807 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 808 809 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 810 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 811 LDFLAGS_JDKLIB_SUFFIX="" 812 else 813 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 814 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 815 816 # On some platforms (mac) the linker warns about non existing -L dirs. 817 # Add server first if available. Linking aginst client does not always produce the same results. 818 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 819 # Default to server for other variants. 820 if test "x$JVM_VARIANT_SERVER" = xtrue; then 821 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 822 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 823 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 824 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 825 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 826 else 827 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 828 fi 829 830 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 831 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 832 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 833 fi 834 fi 835 836 AC_SUBST(LDFLAGS_JDKLIB) 837 AC_SUBST(LDFLAGS_JDKEXE) 838 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 839 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 840 AC_SUBST(LDFLAGS_CXX_JDK) 841 842 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 843 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 844 LDFLAGS_TESTLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX" 845 LDFLAGS_TESTEXE_SUFFIX="$LDFLAGS_JDKEXE_SUFFIX" 846 847 AC_SUBST(LDFLAGS_TESTLIB) 848 AC_SUBST(LDFLAGS_TESTEXE) 849 AC_SUBST(LDFLAGS_TESTLIB_SUFFIX) 850 AC_SUBST(LDFLAGS_TESTEXE_SUFFIX) 851]) 852 853# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 854# [RUN-IF-FALSE]) 855# ------------------------------------------------------------ 856# Check that the c and c++ compilers support an argument 857AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 858[ 859 AC_MSG_CHECKING([if compiler supports "$1"]) 860 supports=yes 861 862 saved_cflags="$CFLAGS" 863 CFLAGS="$CFLAGS $1" 864 AC_LANG_PUSH([C]) 865 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 866 [supports=no]) 867 AC_LANG_POP([C]) 868 CFLAGS="$saved_cflags" 869 870 saved_cxxflags="$CXXFLAGS" 871 CXXFLAGS="$CXXFLAG $1" 872 AC_LANG_PUSH([C++]) 873 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 874 [supports=no]) 875 AC_LANG_POP([C++]) 876 CXXFLAGS="$saved_cxxflags" 877 878 AC_MSG_RESULT([$supports]) 879 if test "x$supports" = "xyes" ; then 880 m4_ifval([$2], [$2], [:]) 881 else 882 m4_ifval([$3], [$3], [:]) 883 fi 884]) 885 886# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 887# [RUN-IF-FALSE]) 888# ------------------------------------------------------------ 889# Check that the linker support an argument 890AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 891[ 892 AC_MSG_CHECKING([if linker supports "$1"]) 893 supports=yes 894 895 saved_ldflags="$LDFLAGS" 896 LDFLAGS="$LDFLAGS $1" 897 AC_LANG_PUSH([C]) 898 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 899 [], [supports=no]) 900 AC_LANG_POP([C]) 901 LDFLAGS="$saved_ldflags" 902 903 AC_MSG_RESULT([$supports]) 904 if test "x$supports" = "xyes" ; then 905 m4_ifval([$2], [$2], [:]) 906 else 907 m4_ifval([$3], [$3], [:]) 908 fi 909]) 910 911AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 912[ 913 # Some Zero and Shark settings. 914 # ZERO_ARCHFLAG tells the compiler which mode to build for 915 case "${OPENJDK_TARGET_CPU}" in 916 s390) 917 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 918 ;; 919 *) 920 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 921 esac 922 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 923 AC_SUBST(ZERO_ARCHFLAG) 924 925 # Check that the compiler supports -mX (or -qX on AIX) flags 926 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 927 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 928 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 929 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 930 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 931 932 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 933 [do not consider native warnings to be an error @<:@enabled@:>@])]) 934 935 AC_MSG_CHECKING([if native warnings are errors]) 936 if test "x$enable_warnings_as_errors" = "xyes"; then 937 AC_MSG_RESULT([yes (explicitely set)]) 938 WARNINGS_AS_ERRORS=true 939 elif test "x$enable_warnings_as_errors" = "xno"; then 940 AC_MSG_RESULT([no]) 941 WARNINGS_AS_ERRORS=false 942 elif test "x$enable_warnings_as_errors" = "x"; then 943 AC_MSG_RESULT([yes (default)]) 944 WARNINGS_AS_ERRORS=true 945 else 946 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 947 fi 948 AC_SUBST(WARNINGS_AS_ERRORS) 949 950 case "${TOOLCHAIN_TYPE}" in 951 microsoft) 952 DISABLE_WARNING_PREFIX="-wd" 953 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 954 ;; 955 solstudio) 956 DISABLE_WARNING_PREFIX="-erroff=" 957 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 958 ;; 959 gcc) 960 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 961 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 962 [GCC_CAN_DISABLE_WARNINGS=true], 963 [GCC_CAN_DISABLE_WARNINGS=false] 964 ) 965 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 966 DISABLE_WARNING_PREFIX="-Wno-" 967 else 968 DISABLE_WARNING_PREFIX= 969 fi 970 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 971 ;; 972 clang) 973 DISABLE_WARNING_PREFIX="-Wno-" 974 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 975 ;; 976 esac 977 AC_SUBST(DISABLE_WARNING_PREFIX) 978 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 979]) 980