flags.m4 revision 1663:6e5ccf55ed76
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$OPENJDK_TARGET_OS" = xaix; then 154 STRIPFLAGS="-X32_64" 155 fi 156 157 if test "x$OPENJDK_TARGET_OS" != xwindows; then 158 POST_STRIP_CMD="$STRIP $STRIPFLAGS" 159 fi 160 AC_SUBST(POST_STRIP_CMD) 161 162 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 163 CC_OUT_OPTION=-Fo 164 EXE_OUT_OPTION=-out: 165 LD_OUT_OPTION=-out: 166 AR_OUT_OPTION=-out: 167 else 168 # The option used to specify the target .o,.a or .so file. 169 # When compiling, how to specify the to be created object file. 170 CC_OUT_OPTION='-o$(SPACE)' 171 # When linking, how to specify the to be created executable. 172 EXE_OUT_OPTION='-o$(SPACE)' 173 # When linking, how to specify the to be created dynamically linkable library. 174 LD_OUT_OPTION='-o$(SPACE)' 175 # When archiving, how to specify the to be create static archive for object files. 176 AR_OUT_OPTION='rcs$(SPACE)' 177 fi 178 AC_SUBST(CC_OUT_OPTION) 179 AC_SUBST(EXE_OUT_OPTION) 180 AC_SUBST(LD_OUT_OPTION) 181 AC_SUBST(AR_OUT_OPTION) 182 183 # On Windows, we need to set RC flags. 184 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 185 RC_FLAGS="-nologo -l0x409" 186 if test "x$VARIANT" = xOPT; then 187 RC_FLAGS="$RC_FLAGS -DNDEBUG" 188 fi 189 190 # The version variables used to create RC_FLAGS may be overridden 191 # in a custom configure script, or possibly the command line. 192 # Let those variables be expanded at make time in spec.gmk. 193 # The \$ are escaped to the shell, and the $(...) variables 194 # are evaluated by make. 195 RC_FLAGS="$RC_FLAGS \ 196 -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 197 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 198 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 199 -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 200 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 201 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 202 -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 203 fi 204 AC_SUBST(RC_FLAGS) 205 206 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 207 # silence copyright notice and other headers. 208 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 209 fi 210]) 211 212AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 213[ 214 ############################################################################### 215 # 216 # How to compile shared libraries. 217 # 218 219 if test "x$TOOLCHAIN_TYPE" = xgcc; then 220 PICFLAG="-fPIC" 221 C_FLAG_REORDER='' 222 CXX_FLAG_REORDER='' 223 224 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 225 # Linking is different on MacOSX 226 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 227 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 228 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 229 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 230 SET_SHARED_LIBRARY_MAPFILE='' 231 else 232 # Default works for linux, might work on other platforms as well. 233 SHARED_LIBRARY_FLAGS='-shared' 234 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 235 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 236 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 237 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 238 fi 239 elif test "x$TOOLCHAIN_TYPE" = xclang; then 240 PICFLAG='' 241 C_FLAG_REORDER='' 242 CXX_FLAG_REORDER='' 243 244 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 245 # Linking is different on MacOSX 246 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 247 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 248 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 249 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 250 SET_SHARED_LIBRARY_MAPFILE='' 251 else 252 # Default works for linux, might work on other platforms as well. 253 SHARED_LIBRARY_FLAGS='-shared' 254 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 255 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 256 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 257 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 258 fi 259 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 260 PICFLAG="-KPIC" 261 C_FLAG_REORDER='-xF' 262 CXX_FLAG_REORDER='-xF' 263 SHARED_LIBRARY_FLAGS="-G" 264 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 265 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 266 SET_SHARED_LIBRARY_NAME='' 267 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 268 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 269 PICFLAG="-qpic=large" 270 C_FLAG_REORDER='' 271 CXX_FLAG_REORDER='' 272 SHARED_LIBRARY_FLAGS="-qmkshrobj" 273 SET_EXECUTABLE_ORIGIN="" 274 SET_SHARED_LIBRARY_ORIGIN='' 275 SET_SHARED_LIBRARY_NAME='' 276 SET_SHARED_LIBRARY_MAPFILE='' 277 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 278 PICFLAG="" 279 C_FLAG_REORDER='' 280 CXX_FLAG_REORDER='' 281 SHARED_LIBRARY_FLAGS="-LD" 282 SET_EXECUTABLE_ORIGIN='' 283 SET_SHARED_LIBRARY_ORIGIN='' 284 SET_SHARED_LIBRARY_NAME='' 285 SET_SHARED_LIBRARY_MAPFILE='' 286 fi 287 288 AC_SUBST(C_FLAG_REORDER) 289 AC_SUBST(CXX_FLAG_REORDER) 290 AC_SUBST(SET_EXECUTABLE_ORIGIN) 291 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 292 AC_SUBST(SET_SHARED_LIBRARY_NAME) 293 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 294 295 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 296 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 297 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 298 CFLAGS_JDKLIB_EXTRA='-xstrconst' 299 fi 300 # The (cross) compiler is now configured, we can now test capabilities 301 # of the target platform. 302]) 303 304# Documentation on common flags used for solstudio in HIGHEST. 305# 306# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 307# done with care, there are some assumptions below that need to 308# be understood about the use of pointers, and IEEE behavior. 309# 310# -fns: Use non-standard floating point mode (not IEEE 754) 311# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 312# -fsingle: Use single precision floating point with 'float' 313# -xalias_level=basic: Assume memory references via basic pointer types do not alias 314# (Source with excessing pointer casting and data access with mixed 315# pointer types are not recommended) 316# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 317# (If you expect perfect errno behavior, do not use this) 318# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 319# -xrestrict: Pointer parameters to functions do not overlap 320# (Similar to -xalias_level=basic usage, but less obvious sometimes. 321# If you pass in multiple pointers to the same data, do not use this) 322# -xlibmil: Inline some library routines 323# (If you expect perfect errno behavior, do not use this) 324# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 325# (If you expect perfect errno behavior, do not use this) 326# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 327 328 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 329 # Bug? 330 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 331 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 332 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 333 #fi 334 335AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 336[ 337 338 ############################################################################### 339 # 340 # Setup the opt flags for different compilers 341 # and different operating systems. 342 # 343 344 # FIXME: this was indirectly the old default, but just inherited. 345 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 346 # C_FLAG_DEPS="-MMD -MF" 347 # fi 348 349 # Generate make dependency files 350 if test "x$TOOLCHAIN_TYPE" = xgcc; then 351 C_FLAG_DEPS="-MMD -MF" 352 elif test "x$TOOLCHAIN_TYPE" = xclang; then 353 C_FLAG_DEPS="-MMD -MF" 354 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 355 C_FLAG_DEPS="-xMMD -xMF" 356 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 357 C_FLAG_DEPS="-qmakedep=gcc -MF" 358 fi 359 CXX_FLAG_DEPS="$C_FLAG_DEPS" 360 AC_SUBST(C_FLAG_DEPS) 361 AC_SUBST(CXX_FLAG_DEPS) 362 363 # Debug symbols 364 if test "x$TOOLCHAIN_TYPE" = xgcc; then 365 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 366 # reduce from default "-g2" option to save space 367 CFLAGS_DEBUG_SYMBOLS="-g1" 368 CXXFLAGS_DEBUG_SYMBOLS="-g1" 369 else 370 CFLAGS_DEBUG_SYMBOLS="-g" 371 CXXFLAGS_DEBUG_SYMBOLS="-g" 372 fi 373 elif test "x$TOOLCHAIN_TYPE" = xclang; then 374 CFLAGS_DEBUG_SYMBOLS="-g" 375 CXXFLAGS_DEBUG_SYMBOLS="-g" 376 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 377 CFLAGS_DEBUG_SYMBOLS="-g -xs" 378 # FIXME: likely a bug, this disables debug symbols rather than enables them 379 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 380 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 381 CFLAGS_DEBUG_SYMBOLS="-g" 382 CXXFLAGS_DEBUG_SYMBOLS="-g" 383 fi 384 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 385 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 386 387 # bounds, memory and behavior checking options 388 if test "x$TOOLCHAIN_TYPE" = xgcc; then 389 case $DEBUG_LEVEL in 390 release ) 391 # no adjustment 392 ;; 393 fastdebug ) 394 # no adjustment 395 ;; 396 slowdebug ) 397 # Add runtime stack smashing and undefined behavior checks. 398 # Not all versions of gcc support -fstack-protector 399 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 400 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 401 402 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 403 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 404 ;; 405 esac 406 fi 407 408 # Optimization levels 409 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 410 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 411 412 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 413 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 414 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 415 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 416 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 417 C_O_FLAG_DEBUG="-xregs=no%frameptr" 418 C_O_FLAG_NONE="-xregs=no%frameptr" 419 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 420 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 421 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 422 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 423 CXX_O_FLAG_NONE="-xregs=no%frameptr" 424 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 425 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 426 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 427 fi 428 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 429 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 430 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 431 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 432 C_O_FLAG_DEBUG="" 433 C_O_FLAG_NONE="" 434 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 435 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 436 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 437 C_O_FLAG_DEBUG="" 438 CXX_O_FLAG_NONE="" 439 fi 440 else 441 # The remaining toolchains share opt flags between CC and CXX; 442 # setup for C and duplicate afterwards. 443 if test "x$TOOLCHAIN_TYPE" = xgcc; then 444 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 445 # On MacOSX we optimize for size, something 446 # we should do for all platforms? 447 C_O_FLAG_HIGHEST="-Os" 448 C_O_FLAG_HI="-Os" 449 C_O_FLAG_NORM="-Os" 450 else 451 C_O_FLAG_HIGHEST="-O3" 452 C_O_FLAG_HI="-O3" 453 C_O_FLAG_NORM="-O2" 454 fi 455 C_O_FLAG_DEBUG="-O0" 456 C_O_FLAG_NONE="-O0" 457 elif test "x$TOOLCHAIN_TYPE" = xclang; then 458 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 459 # On MacOSX we optimize for size, something 460 # we should do for all platforms? 461 C_O_FLAG_HIGHEST="-Os" 462 C_O_FLAG_HI="-Os" 463 C_O_FLAG_NORM="-Os" 464 else 465 C_O_FLAG_HIGHEST="-O3" 466 C_O_FLAG_HI="-O3" 467 C_O_FLAG_NORM="-O2" 468 fi 469 C_O_FLAG_DEBUG="-O0" 470 C_O_FLAG_NONE="-O0" 471 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 472 C_O_FLAG_HIGHEST="-O3" 473 C_O_FLAG_HI="-O3 -qstrict" 474 C_O_FLAG_NORM="-O2" 475 C_O_FLAG_DEBUG="-qnoopt" 476 C_O_FLAG_NONE="-qnoop" 477 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 478 C_O_FLAG_HIGHEST="-O2" 479 C_O_FLAG_HI="-O1" 480 C_O_FLAG_NORM="-O1" 481 C_O_FLAG_DEBUG="-Od" 482 C_O_FLAG_NONE="-Od" 483 fi 484 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 485 CXX_O_FLAG_HI="$C_O_FLAG_HI" 486 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 487 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 488 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 489 fi 490 491 # Adjust optimization flags according to debug level. 492 case $DEBUG_LEVEL in 493 release ) 494 # no adjustment 495 ;; 496 fastdebug ) 497 # Not quite so much optimization 498 C_O_FLAG_HI="$C_O_FLAG_NORM" 499 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 500 ;; 501 slowdebug ) 502 # Disable optimization 503 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 504 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 505 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 506 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 507 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 508 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 509 ;; 510 esac 511 512 AC_SUBST(C_O_FLAG_HIGHEST) 513 AC_SUBST(C_O_FLAG_HI) 514 AC_SUBST(C_O_FLAG_NORM) 515 AC_SUBST(C_O_FLAG_DEBUG) 516 AC_SUBST(C_O_FLAG_NONE) 517 AC_SUBST(CXX_O_FLAG_HIGHEST) 518 AC_SUBST(CXX_O_FLAG_HI) 519 AC_SUBST(CXX_O_FLAG_NORM) 520 AC_SUBST(CXX_O_FLAG_DEBUG) 521 AC_SUBST(CXX_O_FLAG_NONE) 522]) 523 524AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 525[ 526 # Special extras... 527 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 528 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 529 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 530 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 531 fi 532 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 533 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 534 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 535 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 536 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 537 fi 538 539 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 540 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 541 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 542 543 ############################################################################### 544 # 545 # Now setup the CFLAGS and LDFLAGS for the JDK build. 546 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 547 # 548 549 # Setup compiler/platform specific flags into 550 # CFLAGS_JDK - C Compiler flags 551 # CXXFLAGS_JDK - C++ Compiler flags 552 # COMMON_CCXXFLAGS_JDK - common to C and C++ 553 if test "x$TOOLCHAIN_TYPE" = xgcc; then 554 if test "x$OPENJDK_TARGET_CPU" = xx86; then 555 # Force compatibility with i586 on 32 bit intel platforms. 556 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 557 fi 558 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 559 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 560 case $OPENJDK_TARGET_CPU_ARCH in 561 arm ) 562 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 563 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 564 ;; 565 ppc ) 566 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 567 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 568 ;; 569 * ) 570 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 571 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 572 ;; 573 esac 574 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 575 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 576 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 577 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 578 fi 579 580 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 581 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 582 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 583 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 584 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 585 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 586 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 587 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 588 -DWIN32_LEAN_AND_MEAN \ 589 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 590 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 591 -DWIN32 -DIAL" 592 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 593 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 594 else 595 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 596 fi 597 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 598 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 599 # studio. 600 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 601 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 602 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 603 fi 604 fi 605 606 ############################################################################### 607 608 # Adjust flags according to debug level. 609 case $DEBUG_LEVEL in 610 fastdebug | slowdebug ) 611 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 612 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 613 JAVAC_FLAGS="$JAVAC_FLAGS -g" 614 ;; 615 release ) 616 ;; 617 * ) 618 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 619 ;; 620 esac 621 622 # Setup LP64 623 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 624 625 # Set some common defines. These works for all compilers, but assume 626 # -D is universally accepted. 627 628 # Setup endianness 629 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 630 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 631 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 632 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 633 # Note: -Dmacro is the same as #define macro 1 634 # -Dmacro= is the same as #define macro 635 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 636 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 637 else 638 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 639 fi 640 else 641 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 642 # are defined in the system? 643 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 644 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 645 else 646 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 647 fi 648 fi 649 650 # Setup target OS define. Use OS target name but in upper case. 651 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 652 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 653 654 # Setup target CPU 655 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 656 657 # Setup debug/release defines 658 if test "x$DEBUG_LEVEL" = xrelease; then 659 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 660 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 661 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 662 fi 663 else 664 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 665 fi 666 667 # Setup release name 668 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 669 670 671 # Set some additional per-OS defines. 672 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 673 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 674 elif test "x$OPENJDK_TARGET_OS" = xaix; then 675 # FIXME: PPC64 should not be here. 676 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 677 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 678 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 679 fi 680 681 # Additional macosx handling 682 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 683 # Setting these parameters makes it an error to link to macosx APIs that are 684 # newer than the given OS version and makes the linked binaries compatible 685 # even if built on a newer version of the OS. 686 # The expected format is X.Y.Z 687 MACOSX_VERSION_MIN=10.7.0 688 AC_SUBST(MACOSX_VERSION_MIN) 689 690 # The macro takes the version with no dots, ex: 1070 691 # Let the flags variables get resolved in make for easier override on make 692 # command line. 693 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 694 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 695 fi 696 697 # Setup some hard coded includes 698 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 699 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 700 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 701 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include" 702 703 # The shared libraries are compiled using the picflag. 704 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 705 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 706 707 # Executable flags 708 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 709 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 710 711 AC_SUBST(CFLAGS_JDKLIB) 712 AC_SUBST(CFLAGS_JDKEXE) 713 AC_SUBST(CXXFLAGS_JDKLIB) 714 AC_SUBST(CXXFLAGS_JDKEXE) 715 716 # Flags for compiling test libraries 717 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 718 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 719 720 # Flags for compiling test executables 721 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 722 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 723 724 AC_SUBST(CFLAGS_TESTLIB) 725 AC_SUBST(CFLAGS_TESTEXE) 726 AC_SUBST(CXXFLAGS_TESTLIB) 727 AC_SUBST(CXXFLAGS_TESTEXE) 728 729 # Setup LDFLAGS et al. 730 # 731 732 # Now this is odd. The JDK native libraries have to link against libjvm.so 733 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 734 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 735 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 736 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 737 # libraries will link to whatever is in memory. Yuck. 738 # 739 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 740 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 741 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 742 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 743 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 744 fi 745 # TODO: make -debug optional "--disable-full-debug-symbols" 746 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 747 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 748 # If this is a --hash-style=gnu system, use --hash-style=both, why? 749 # We have previously set HAS_GNU_HASH if this is the case 750 if test -n "$HAS_GNU_HASH"; then 751 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 752 fi 753 if test "x$OPENJDK_TARGET_OS" = xlinux; then 754 # And since we now know that the linker is gnu, then add -z defs, to forbid 755 # undefined symbols in object files. 756 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 757 case $DEBUG_LEVEL in 758 release ) 759 # tell linker to optimize libraries. 760 # Should this be supplied to the OSS linker as well? 761 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 762 ;; 763 slowdebug ) 764 if test "x$HAS_LINKER_NOW" = "xtrue"; then 765 # do relocations at load 766 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 767 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 768 fi 769 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 770 # mark relocations read only 771 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 772 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 773 fi 774 ;; 775 fastdebug ) 776 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 777 # mark relocations read only 778 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 779 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 780 fi 781 ;; 782 * ) 783 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 784 ;; 785 esac 786 fi 787 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 788 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 789 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 790 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 791 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -liconv -bexpall -bernotok" 792 fi 793 794 # Customize LDFLAGS for executables 795 796 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 797 798 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 799 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 800 LDFLAGS_STACK_SIZE=1048576 801 else 802 LDFLAGS_STACK_SIZE=327680 803 fi 804 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 805 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 806 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 807 fi 808 809 # Customize LDFLAGS for libs 810 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 811 812 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 813 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 814 LDFLAGS_JDKLIB_SUFFIX="" 815 else 816 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 817 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 818 819 # On some platforms (mac) the linker warns about non existing -L dirs. 820 # Add server first if available. Linking aginst client does not always produce the same results. 821 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 822 # Default to server for other variants. 823 if test "x$JVM_VARIANT_SERVER" = xtrue; then 824 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 825 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 826 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 827 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 828 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 829 else 830 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 831 fi 832 833 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 834 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 835 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 836 fi 837 fi 838 839 AC_SUBST(LDFLAGS_JDKLIB) 840 AC_SUBST(LDFLAGS_JDKEXE) 841 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 842 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 843 AC_SUBST(LDFLAGS_CXX_JDK) 844 845 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 846 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 847 LDFLAGS_TESTLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX" 848 LDFLAGS_TESTEXE_SUFFIX="$LDFLAGS_JDKEXE_SUFFIX" 849 850 AC_SUBST(LDFLAGS_TESTLIB) 851 AC_SUBST(LDFLAGS_TESTEXE) 852 AC_SUBST(LDFLAGS_TESTLIB_SUFFIX) 853 AC_SUBST(LDFLAGS_TESTEXE_SUFFIX) 854]) 855 856# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 857# [RUN-IF-FALSE]) 858# ------------------------------------------------------------ 859# Check that the c and c++ compilers support an argument 860AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 861[ 862 AC_MSG_CHECKING([if compiler supports "$1"]) 863 supports=yes 864 865 saved_cflags="$CFLAGS" 866 CFLAGS="$CFLAGS $1" 867 AC_LANG_PUSH([C]) 868 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 869 [supports=no]) 870 AC_LANG_POP([C]) 871 CFLAGS="$saved_cflags" 872 873 saved_cxxflags="$CXXFLAGS" 874 CXXFLAGS="$CXXFLAG $1" 875 AC_LANG_PUSH([C++]) 876 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 877 [supports=no]) 878 AC_LANG_POP([C++]) 879 CXXFLAGS="$saved_cxxflags" 880 881 AC_MSG_RESULT([$supports]) 882 if test "x$supports" = "xyes" ; then 883 m4_ifval([$2], [$2], [:]) 884 else 885 m4_ifval([$3], [$3], [:]) 886 fi 887]) 888 889# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 890# [RUN-IF-FALSE]) 891# ------------------------------------------------------------ 892# Check that the linker support an argument 893AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 894[ 895 AC_MSG_CHECKING([if linker supports "$1"]) 896 supports=yes 897 898 saved_ldflags="$LDFLAGS" 899 LDFLAGS="$LDFLAGS $1" 900 AC_LANG_PUSH([C]) 901 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 902 [], [supports=no]) 903 AC_LANG_POP([C]) 904 LDFLAGS="$saved_ldflags" 905 906 AC_MSG_RESULT([$supports]) 907 if test "x$supports" = "xyes" ; then 908 m4_ifval([$2], [$2], [:]) 909 else 910 m4_ifval([$3], [$3], [:]) 911 fi 912]) 913 914AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 915[ 916 # Some Zero and Shark settings. 917 # ZERO_ARCHFLAG tells the compiler which mode to build for 918 case "${OPENJDK_TARGET_CPU}" in 919 s390) 920 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 921 ;; 922 *) 923 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 924 esac 925 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 926 AC_SUBST(ZERO_ARCHFLAG) 927 928 # Check that the compiler supports -mX (or -qX on AIX) flags 929 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 930 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 931 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 932 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 933 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 934 935 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 936 [do not consider native warnings to be an error @<:@enabled@:>@])]) 937 938 AC_MSG_CHECKING([if native warnings are errors]) 939 if test "x$enable_warnings_as_errors" = "xyes"; then 940 AC_MSG_RESULT([yes (explicitely set)]) 941 WARNINGS_AS_ERRORS=true 942 elif test "x$enable_warnings_as_errors" = "xno"; then 943 AC_MSG_RESULT([no]) 944 WARNINGS_AS_ERRORS=false 945 elif test "x$enable_warnings_as_errors" = "x"; then 946 AC_MSG_RESULT([yes (default)]) 947 WARNINGS_AS_ERRORS=true 948 else 949 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 950 fi 951 AC_SUBST(WARNINGS_AS_ERRORS) 952 953 case "${TOOLCHAIN_TYPE}" in 954 microsoft) 955 DISABLE_WARNING_PREFIX="-wd" 956 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 957 ;; 958 solstudio) 959 DISABLE_WARNING_PREFIX="-erroff=" 960 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 961 ;; 962 gcc) 963 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 964 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 965 [GCC_CAN_DISABLE_WARNINGS=true], 966 [GCC_CAN_DISABLE_WARNINGS=false] 967 ) 968 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 969 DISABLE_WARNING_PREFIX="-Wno-" 970 else 971 DISABLE_WARNING_PREFIX= 972 fi 973 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 974 ;; 975 clang) 976 DISABLE_WARNING_PREFIX="-Wno-" 977 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 978 ;; 979 esac 980 AC_SUBST(DISABLE_WARNING_PREFIX) 981 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 982]) 983