Mercurial > jdk8-mips64-public / file comparison
comparison: common/autoconf/flags.m4
common/autoconf/flags.m4
- changeset 2206
- 7ba4e17574e0
- child 2215
- 7a73b8b4ac8a
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| 2205:54eb4c29ece4 | 2206:7ba4e17574e0 |
|---|---|
| 1 # | |
| 2 # Copyright (c) 2011, 2018, 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 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], | |
| 27 [ | |
| 28 # Option used to tell the compiler whether to create 32- or 64-bit executables | |
| 29 if test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 30 COMPILER_TARGET_BITS_FLAG="-q" | |
| 31 else | |
| 32 COMPILER_TARGET_BITS_FLAG="-m" | |
| 33 fi | |
| 34 AC_SUBST(COMPILER_TARGET_BITS_FLAG) | |
| 35 | |
| 36 # FIXME: figure out if we should select AR flags depending on OS or toolchain. | |
| 37 if test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 38 ARFLAGS="-r" | |
| 39 elif test "x$OPENJDK_TARGET_OS" = xaix; then | |
| 40 ARFLAGS="-X64" | |
| 41 elif test "x$OPENJDK_TARGET_OS" = xwindows; then | |
| 42 # lib.exe is used as AR to create static libraries. | |
| 43 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" | |
| 44 else | |
| 45 ARFLAGS="" | |
| 46 fi | |
| 47 AC_SUBST(ARFLAGS) | |
| 48 | |
| 49 ## Setup strip. | |
| 50 # FIXME: should this really be per platform, or should it be per toolchain type? | |
| 51 # strip is not provided by clang or solstudio; so guessing platform makes most sense. | |
| 52 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. | |
| 53 if test "x$OPENJDK_TARGET_OS" = xlinux; then | |
| 54 STRIPFLAGS="-g" | |
| 55 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then | |
| 56 STRIPFLAGS="-x" | |
| 57 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 58 STRIPFLAGS="-S" | |
| 59 elif test "x$OPENJDK_TARGET_OS" = xaix; then | |
| 60 STRIPFLAGS="-X32_64" | |
| 61 fi | |
| 62 | |
| 63 if test "x$OPENJDK_TARGET_OS" != xwindows; then | |
| 64 POST_STRIP_CMD="$STRIP $STRIPFLAGS" | |
| 65 fi | |
| 66 AC_SUBST(POST_STRIP_CMD) | |
| 67 | |
| 68 if test "x$OPENJDK_TARGET_OS" = xsolaris; then | |
| 69 # FIXME: break out into MCSFLAGS | |
| 70 POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\"" | |
| 71 fi | |
| 72 AC_SUBST(POST_MCS_CMD) | |
| 73 | |
| 74 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 75 CC_OUT_OPTION=-Fo | |
| 76 EXE_OUT_OPTION=-out: | |
| 77 LD_OUT_OPTION=-out: | |
| 78 AR_OUT_OPTION=-out: | |
| 79 else | |
| 80 # The option used to specify the target .o,.a or .so file. | |
| 81 # When compiling, how to specify the to be created object file. | |
| 82 CC_OUT_OPTION='-o$(SPACE)' | |
| 83 # When linking, how to specify the to be created executable. | |
| 84 EXE_OUT_OPTION='-o$(SPACE)' | |
| 85 # When linking, how to specify the to be created dynamically linkable library. | |
| 86 LD_OUT_OPTION='-o$(SPACE)' | |
| 87 # When archiving, how to specify the to be create static archive for object files. | |
| 88 AR_OUT_OPTION='rcs$(SPACE)' | |
| 89 fi | |
| 90 AC_SUBST(CC_OUT_OPTION) | |
| 91 AC_SUBST(EXE_OUT_OPTION) | |
| 92 AC_SUBST(LD_OUT_OPTION) | |
| 93 AC_SUBST(AR_OUT_OPTION) | |
| 94 | |
| 95 # On Windows, we need to set RC flags. | |
| 96 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 97 RC_FLAGS="-nologo -l 0x409 -r" | |
| 98 if test "x$VARIANT" = xOPT; then | |
| 99 RC_FLAGS="$RC_FLAGS -d NDEBUG" | |
| 100 fi | |
| 101 | |
| 102 # The version variables used to create RC_FLAGS may be overridden | |
| 103 # in a custom configure script, or possibly the command line. | |
| 104 # Let those variables be expanded at make time in spec.gmk. | |
| 105 # The \$ are escaped to the shell, and the $(...) variables | |
| 106 # are evaluated by make. | |
| 107 RC_FLAGS="$RC_FLAGS \ | |
| 108 -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \ | |
| 109 -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \ | |
| 110 -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ | |
| 111 -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ | |
| 112 -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ | |
| 113 -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ | |
| 114 -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" | |
| 115 fi | |
| 116 AC_SUBST(RC_FLAGS) | |
| 117 | |
| 118 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 119 # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX. | |
| 120 CCXXFLAGS="$CCXXFLAGS -nologo" | |
| 121 fi | |
| 122 ]) | |
| 123 | |
| 124 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], | |
| 125 [ | |
| 126 ############################################################################### | |
| 127 # | |
| 128 # How to compile shared libraries. | |
| 129 # | |
| 130 | |
| 131 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 132 PICFLAG="-fPIC" | |
| 133 C_FLAG_REORDER='' | |
| 134 CXX_FLAG_REORDER='' | |
| 135 | |
| 136 if test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 137 # Linking is different on MacOSX | |
| 138 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" | |
| 139 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' | |
| 140 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" | |
| 141 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' | |
| 142 SET_SHARED_LIBRARY_MAPFILE='' | |
| 143 else | |
| 144 # Default works for linux, might work on other platforms as well. | |
| 145 SHARED_LIBRARY_FLAGS='-shared' | |
| 146 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' | |
| 147 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" | |
| 148 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' | |
| 149 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' | |
| 150 fi | |
| 151 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 152 PICFLAG="-KPIC" | |
| 153 C_FLAG_REORDER='-xF' | |
| 154 CXX_FLAG_REORDER='-xF' | |
| 155 SHARED_LIBRARY_FLAGS="-G" | |
| 156 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' | |
| 157 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" | |
| 158 SET_SHARED_LIBRARY_NAME='' | |
| 159 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' | |
| 160 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 161 PICFLAG="-qpic=large" | |
| 162 C_FLAG_REORDER='' | |
| 163 CXX_FLAG_REORDER='' | |
| 164 SHARED_LIBRARY_FLAGS="-qmkshrobj" | |
| 165 SET_EXECUTABLE_ORIGIN="" | |
| 166 SET_SHARED_LIBRARY_ORIGIN='' | |
| 167 SET_SHARED_LIBRARY_NAME='' | |
| 168 SET_SHARED_LIBRARY_MAPFILE='' | |
| 169 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 170 PICFLAG="" | |
| 171 C_FLAG_REORDER='' | |
| 172 CXX_FLAG_REORDER='' | |
| 173 SHARED_LIBRARY_FLAGS="-LD" | |
| 174 SET_EXECUTABLE_ORIGIN='' | |
| 175 SET_SHARED_LIBRARY_ORIGIN='' | |
| 176 SET_SHARED_LIBRARY_NAME='' | |
| 177 SET_SHARED_LIBRARY_MAPFILE='' | |
| 178 fi | |
| 179 | |
| 180 AC_SUBST(C_FLAG_REORDER) | |
| 181 AC_SUBST(CXX_FLAG_REORDER) | |
| 182 AC_SUBST(SHARED_LIBRARY_FLAGS) | |
| 183 AC_SUBST(SET_EXECUTABLE_ORIGIN) | |
| 184 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) | |
| 185 AC_SUBST(SET_SHARED_LIBRARY_NAME) | |
| 186 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) | |
| 187 | |
| 188 if test "x$OPENJDK_TARGET_OS" = xsolaris; then | |
| 189 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" | |
| 190 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" | |
| 191 CFLAGS_JDKLIB_EXTRA='-xstrconst' | |
| 192 fi | |
| 193 # The (cross) compiler is now configured, we can now test capabilities | |
| 194 # of the target platform. | |
| 195 ]) | |
| 196 | |
| 197 # Documentation on common flags used for solstudio in HIGHEST. | |
| 198 # | |
| 199 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be | |
| 200 # done with care, there are some assumptions below that need to | |
| 201 # be understood about the use of pointers, and IEEE behavior. | |
| 202 # | |
| 203 # -fns: Use non-standard floating point mode (not IEEE 754) | |
| 204 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) | |
| 205 # -fsingle: Use single precision floating point with 'float' | |
| 206 # -xalias_level=basic: Assume memory references via basic pointer types do not alias | |
| 207 # (Source with excessing pointer casting and data access with mixed | |
| 208 # pointer types are not recommended) | |
| 209 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions | |
| 210 # (If you expect perfect errno behavior, do not use this) | |
| 211 # -xdepend: Loop data dependency optimizations (need -xO3 or higher) | |
| 212 # -xrestrict: Pointer parameters to functions do not overlap | |
| 213 # (Similar to -xalias_level=basic usage, but less obvious sometimes. | |
| 214 # If you pass in multiple pointers to the same data, do not use this) | |
| 215 # -xlibmil: Inline some library routines | |
| 216 # (If you expect perfect errno behavior, do not use this) | |
| 217 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) | |
| 218 # (If you expect perfect errno behavior, do not use this) | |
| 219 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now | |
| 220 | |
| 221 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. | |
| 222 # Bug? | |
| 223 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then | |
| 224 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" | |
| 225 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" | |
| 226 #fi | |
| 227 | |
| 228 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], | |
| 229 [ | |
| 230 | |
| 231 ############################################################################### | |
| 232 # | |
| 233 # Setup the opt flags for different compilers | |
| 234 # and different operating systems. | |
| 235 # | |
| 236 | |
| 237 # FIXME: this was indirectly the old default, but just inherited. | |
| 238 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 239 # C_FLAG_DEPS="-MMD -MF" | |
| 240 # fi | |
| 241 | |
| 242 # Generate make dependency files | |
| 243 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 244 C_FLAG_DEPS="-MMD -MF" | |
| 245 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 246 C_FLAG_DEPS="-xMMD -xMF" | |
| 247 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 248 C_FLAG_DEPS="-qmakedep=gcc -MF" | |
| 249 fi | |
| 250 CXX_FLAG_DEPS="$C_FLAG_DEPS" | |
| 251 AC_SUBST(C_FLAG_DEPS) | |
| 252 AC_SUBST(CXX_FLAG_DEPS) | |
| 253 | |
| 254 # Debug symbols | |
| 255 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 256 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then | |
| 257 CFLAGS_DEBUG_SYMBOLS="-g1" | |
| 258 CXXFLAGS_DEBUG_SYMBOLS="-g1" | |
| 259 else | |
| 260 CFLAGS_DEBUG_SYMBOLS="-g" | |
| 261 CXXFLAGS_DEBUG_SYMBOLS="-g" | |
| 262 fi | |
| 263 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 264 CFLAGS_DEBUG_SYMBOLS="-g -xs" | |
| 265 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" | |
| 266 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 267 CFLAGS_DEBUG_SYMBOLS="-g" | |
| 268 CXXFLAGS_DEBUG_SYMBOLS="-g" | |
| 269 fi | |
| 270 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) | |
| 271 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) | |
| 272 | |
| 273 # Optimization levels | |
| 274 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 275 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xalias_level=basic -xbuiltin=%all -xdepend -xrestrict -xlibmil" | |
| 276 | |
| 277 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then | |
| 278 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? | |
| 279 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr" | |
| 280 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" | |
| 281 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" | |
| 282 C_O_FLAG_NONE="-xregs=no%frameptr" | |
| 283 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" | |
| 284 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" | |
| 285 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" | |
| 286 CXX_O_FLAG_NONE="-xregs=no%frameptr" | |
| 287 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then | |
| 288 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" | |
| 289 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" | |
| 290 fi | |
| 291 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then | |
| 292 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" | |
| 293 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" | |
| 294 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" | |
| 295 C_O_FLAG_NONE="" | |
| 296 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" | |
| 297 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" | |
| 298 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" | |
| 299 CXX_O_FLAG_NONE="" | |
| 300 fi | |
| 301 else | |
| 302 # The remaining toolchains share opt flags between CC and CXX; | |
| 303 # setup for C and duplicate afterwards. | |
| 304 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 305 if test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 306 # On MacOSX we optimize for size, something | |
| 307 # we should do for all platforms? | |
| 308 C_O_FLAG_HIGHEST="-Os" | |
| 309 C_O_FLAG_HI="-Os" | |
| 310 C_O_FLAG_NORM="-Os" | |
| 311 C_O_FLAG_NONE="" | |
| 312 else | |
| 313 C_O_FLAG_HIGHEST="-O3" | |
| 314 C_O_FLAG_HI="-O3" | |
| 315 C_O_FLAG_NORM="-O2" | |
| 316 C_O_FLAG_NONE="-O0" | |
| 317 fi | |
| 318 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 319 C_O_FLAG_HIGHEST="-O3" | |
| 320 C_O_FLAG_HI="-O3 -qstrict" | |
| 321 C_O_FLAG_NORM="-O2" | |
| 322 C_O_FLAG_NONE="" | |
| 323 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 324 C_O_FLAG_HIGHEST="-O2" | |
| 325 C_O_FLAG_HI="-O1" | |
| 326 C_O_FLAG_NORM="-O1" | |
| 327 C_O_FLAG_NONE="-Od" | |
| 328 fi | |
| 329 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" | |
| 330 CXX_O_FLAG_HI="$C_O_FLAG_HI" | |
| 331 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" | |
| 332 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" | |
| 333 fi | |
| 334 | |
| 335 AC_SUBST(C_O_FLAG_HIGHEST) | |
| 336 AC_SUBST(C_O_FLAG_HI) | |
| 337 AC_SUBST(C_O_FLAG_NORM) | |
| 338 AC_SUBST(C_O_FLAG_NONE) | |
| 339 AC_SUBST(CXX_O_FLAG_HIGHEST) | |
| 340 AC_SUBST(CXX_O_FLAG_HI) | |
| 341 AC_SUBST(CXX_O_FLAG_NORM) | |
| 342 AC_SUBST(CXX_O_FLAG_NONE) | |
| 343 ]) | |
| 344 | |
| 345 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], | |
| 346 [ | |
| 347 # Special extras... | |
| 348 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 349 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then | |
| 350 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" | |
| 351 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" | |
| 352 fi | |
| 353 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 354 LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall" | |
| 355 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" | |
| 356 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" | |
| 357 elif test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 358 $2CXXSTD_CXXFLAG="-std=gnu++98" | |
| 359 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]$2CXXSTD_CXXFLAG -Werror], | |
| 360 [], [$2CXXSTD_CXXFLAG=""]) | |
| 361 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}" | |
| 362 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}" | |
| 363 AC_SUBST($2CXXSTD_CXXFLAG) | |
| 364 fi | |
| 365 | |
| 366 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then | |
| 367 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) | |
| 368 fi | |
| 369 | |
| 370 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then | |
| 371 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) | |
| 372 fi | |
| 373 | |
| 374 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then | |
| 375 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) | |
| 376 fi | |
| 377 | |
| 378 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], | |
| 379 [extra flags to be used when compiling jdk c-files])]) | |
| 380 | |
| 381 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], | |
| 382 [extra flags to be used when compiling jdk c++-files])]) | |
| 383 | |
| 384 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], | |
| 385 [extra flags to be used when linking jdk])]) | |
| 386 | |
| 387 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags" | |
| 388 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags" | |
| 389 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags" | |
| 390 | |
| 391 # Hotspot needs these set in their legacy form | |
| 392 LEGACY_EXTRA_CFLAGS=$with_extra_cflags | |
| 393 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags | |
| 394 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags | |
| 395 | |
| 396 AC_SUBST(LEGACY_EXTRA_CFLAGS) | |
| 397 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) | |
| 398 AC_SUBST(LEGACY_EXTRA_LDFLAGS) | |
| 399 | |
| 400 ############################################################################### | |
| 401 # | |
| 402 # Now setup the CFLAGS and LDFLAGS for the JDK build. | |
| 403 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. | |
| 404 # | |
| 405 | |
| 406 # Setup compiler/platform specific flags to CFLAGS_JDK, | |
| 407 # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?) | |
| 408 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 409 # these options are used for both C and C++ compiles | |
| 410 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ | |
| 411 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" | |
| 412 case $OPENJDK_TARGET_CPU_ARCH in | |
| 413 arm ) | |
| 414 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing | |
| 415 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" | |
| 416 ;; | |
| 417 ppc ) | |
| 418 # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing | |
| 419 ;; | |
| 420 * ) | |
| 421 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer" | |
| 422 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" | |
| 423 ;; | |
| 424 esac | |
| 425 TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS) | |
| 426 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 427 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" | |
| 428 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then | |
| 429 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" | |
| 430 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" | |
| 431 fi | |
| 432 | |
| 433 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" | |
| 434 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" | |
| 435 elif test "x$TOOLCHAIN_TYPE" = xxlc; then | |
| 436 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" | |
| 437 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" | |
| 438 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 439 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ | |
| 440 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \ | |
| 441 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ | |
| 442 -DWIN32 -DIAL" | |
| 443 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then | |
| 444 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64" | |
| 445 else | |
| 446 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86" | |
| 447 fi | |
| 448 fi | |
| 449 | |
| 450 ############################################################################### | |
| 451 | |
| 452 # Adjust flags according to debug level. | |
| 453 case $DEBUG_LEVEL in | |
| 454 fastdebug ) | |
| 455 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS" | |
| 456 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS" | |
| 457 C_O_FLAG_HI="$C_O_FLAG_NORM" | |
| 458 C_O_FLAG_NORM="$C_O_FLAG_NORM" | |
| 459 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" | |
| 460 CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM" | |
| 461 JAVAC_FLAGS="$JAVAC_FLAGS -g" | |
| 462 ;; | |
| 463 slowdebug ) | |
| 464 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS" | |
| 465 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS" | |
| 466 C_O_FLAG_HI="$C_O_FLAG_NONE" | |
| 467 C_O_FLAG_NORM="$C_O_FLAG_NONE" | |
| 468 CXX_O_FLAG_HI="$CXX_O_FLAG_NONE" | |
| 469 CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE" | |
| 470 JAVAC_FLAGS="$JAVAC_FLAGS -g" | |
| 471 ;; | |
| 472 esac | |
| 473 | |
| 474 # Setup LP64 | |
| 475 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64" | |
| 476 | |
| 477 # Set some common defines. These works for all compilers, but assume | |
| 478 # -D is universally accepted. | |
| 479 | |
| 480 # Setup endianness | |
| 481 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then | |
| 482 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the | |
| 483 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN | |
| 484 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). | |
| 485 # Note: -Dmacro is the same as #define macro 1 | |
| 486 # -Dmacro= is the same as #define macro | |
| 487 if test "x$OPENJDK_TARGET_OS" = xsolaris; then | |
| 488 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" | |
| 489 else | |
| 490 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN" | |
| 491 fi | |
| 492 else | |
| 493 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN" | |
| 494 fi | |
| 495 | |
| 496 # Setup target OS define. Use OS target name but in upper case. | |
| 497 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
| 498 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" | |
| 499 | |
| 500 # Setup target CPU | |
| 501 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" | |
| 502 | |
| 503 # Setup debug/release defines | |
| 504 if test "x$DEBUG_LEVEL" = xrelease; then | |
| 505 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG" | |
| 506 if test "x$OPENJDK_TARGET_OS" = xsolaris; then | |
| 507 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED" | |
| 508 fi | |
| 509 else | |
| 510 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG" | |
| 511 fi | |
| 512 | |
| 513 # Setup release name | |
| 514 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" | |
| 515 | |
| 516 | |
| 517 # Set some additional per-OS defines. | |
| 518 if test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 519 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" | |
| 520 elif test "x$OPENJDK_TARGET_OS" = xaix; then | |
| 521 # FIXME: PPC64 should not be here. | |
| 522 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64" | |
| 523 elif test "x$OPENJDK_TARGET_OS" = xbsd; then | |
| 524 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE" | |
| 525 fi | |
| 526 | |
| 527 # Additional macosx handling | |
| 528 if test "x$OPENJDK_TARGET_OS" = xmacosx; then | |
| 529 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 530 # FIXME: This needs to be exported in spec.gmk due to closed legacy code. | |
| 531 # FIXME: clean this up, and/or move it elsewhere. | |
| 532 | |
| 533 # Setting these parameters makes it an error to link to macosx APIs that are | |
| 534 # newer than the given OS version and makes the linked binaries compatible | |
| 535 # even if built on a newer version of the OS. | |
| 536 # The expected format is X.Y.Z | |
| 537 MACOSX_VERSION_MIN=10.7.0 | |
| 538 AC_SUBST(MACOSX_VERSION_MIN) | |
| 539 | |
| 540 # The macro takes the version with no dots, ex: 1070 | |
| 541 # Let the flags variables get resolved in make for easier override on make | |
| 542 # command line. | |
| 543 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" | |
| 544 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" | |
| 545 fi | |
| 546 fi | |
| 547 | |
| 548 # Setup some hard coded includes | |
| 549 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \ | |
| 550 -I${JDK_OUTPUTDIR}/include \ | |
| 551 -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \ | |
| 552 -I${JDK_TOPDIR}/src/share/javavm/export \ | |
| 553 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \ | |
| 554 -I${JDK_TOPDIR}/src/share/native/common \ | |
| 555 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common" | |
| 556 | |
| 557 # The shared libraries are compiled using the picflag. | |
| 558 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" | |
| 559 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA " | |
| 560 | |
| 561 # Executable flags | |
| 562 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK" | |
| 563 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK" | |
| 564 | |
| 565 AC_SUBST(CFLAGS_JDKLIB) | |
| 566 AC_SUBST(CFLAGS_JDKEXE) | |
| 567 AC_SUBST(CXXFLAGS_JDKLIB) | |
| 568 AC_SUBST(CXXFLAGS_JDKEXE) | |
| 569 | |
| 570 # Setup LDFLAGS et al. | |
| 571 # | |
| 572 # Now this is odd. The JDK native libraries have to link against libjvm.so | |
| 573 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. | |
| 574 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library | |
| 575 # is identical for client and server? Yes. Which is picked at runtime (client or server)? | |
| 576 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following | |
| 577 # libraries will link to whatever is in memory. Yuck. | |
| 578 # | |
| 579 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. | |
| 580 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then | |
| 581 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" | |
| 582 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then | |
| 583 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" | |
| 584 fi | |
| 585 # TODO: make -debug optional "--disable-full-debug-symbols" | |
| 586 LDFLAGS_JDK="$LDFLAGS_JDK -debug" | |
| 587 LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib" | |
| 588 LDFLAGS_JDKLIB_SUFFIX="" | |
| 589 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then | |
| 590 LDFLAGS_STACK_SIZE=1048576 | |
| 591 else | |
| 592 LDFLAGS_STACK_SIZE=327680 | |
| 593 fi | |
| 594 LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE" | |
| 595 else | |
| 596 if test "x$TOOLCHAIN_TYPE" = xgcc; then | |
| 597 # If this is a --hash-style=gnu system, use --hash-style=both, why? | |
| 598 # We have previously set HAS_GNU_HASH if this is the case | |
| 599 if test -n "$HAS_GNU_HASH"; then | |
| 600 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both " | |
| 601 fi | |
| 602 if test "x$OPENJDK_TARGET_OS" = xlinux; then | |
| 603 # And since we now know that the linker is gnu, then add -z defs, to forbid | |
| 604 # undefined symbols in object files. | |
| 605 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" | |
| 606 if test "x$DEBUG_LEVEL" = "xrelease"; then | |
| 607 # When building release libraries, tell the linker optimize them. | |
| 608 # Should this be supplied to the OSS linker as well? | |
| 609 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" | |
| 610 fi | |
| 611 fi | |
| 612 fi | |
| 613 | |
| 614 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 615 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" | |
| 616 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" | |
| 617 fi | |
| 618 | |
| 619 LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \ | |
| 620 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}" | |
| 621 | |
| 622 # On some platforms (mac) the linker warns about non existing -L dirs. | |
| 623 # Add server first if available. Linking aginst client does not always produce the same results. | |
| 624 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. | |
| 625 # Default to server for other variants. | |
| 626 if test "x$JVM_VARIANT_SERVER" = xtrue; then | |
| 627 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" | |
| 628 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then | |
| 629 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client" | |
| 630 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then | |
| 631 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal" | |
| 632 else | |
| 633 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" | |
| 634 fi | |
| 635 | |
| 636 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" | |
| 637 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then | |
| 638 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" | |
| 639 fi | |
| 640 | |
| 641 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" | |
| 642 if test "x$OPENJDK_TARGET_OS" = xlinux; then | |
| 643 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" | |
| 644 fi | |
| 645 fi | |
| 646 AC_SUBST(LDFLAGS_JDKLIB) | |
| 647 AC_SUBST(LDFLAGS_JDKEXE) | |
| 648 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) | |
| 649 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) | |
| 650 AC_SUBST(LDFLAGS_CXX_JDK) | |
| 651 ]) | |
| 652 | |
| 653 | |
| 654 # FLAGS_C_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], | |
| 655 # [RUN-IF-FALSE]) | |
| 656 # ------------------------------------------------------------ | |
| 657 # Check that the C compiler supports an argument | |
| 658 AC_DEFUN([FLAGS_C_COMPILER_CHECK_ARGUMENTS], | |
| 659 [ | |
| 660 AC_MSG_CHECKING([if the C compiler supports "$1"]) | |
| 661 supports=yes | |
| 662 | |
| 663 saved_cflags="$CFLAGS" | |
| 664 CFLAGS="$CFLAGS $1" | |
| 665 AC_LANG_PUSH([C]) | |
| 666 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], | |
| 667 [supports=no]) | |
| 668 AC_LANG_POP([C]) | |
| 669 CFLAGS="$saved_cflags" | |
| 670 | |
| 671 AC_MSG_RESULT([$supports]) | |
| 672 if test "x$supports" = "xyes" ; then | |
| 673 m4_ifval([$2], [$2], [:]) | |
| 674 else | |
| 675 m4_ifval([$3], [$3], [:]) | |
| 676 fi | |
| 677 ]) | |
| 678 | |
| 679 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], | |
| 680 # [RUN-IF-FALSE]) | |
| 681 # ------------------------------------------------------------ | |
| 682 # Check that the C++ compiler supports an argument | |
| 683 AC_DEFUN([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], | |
| 684 [ | |
| 685 AC_MSG_CHECKING([if the C++ compiler supports "$1"]) | |
| 686 supports=yes | |
| 687 | |
| 688 saved_cxxflags="$CXXFLAGS" | |
| 689 CXXFLAGS="$CXXFLAG $1" | |
| 690 AC_LANG_PUSH([C++]) | |
| 691 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], | |
| 692 [supports=no]) | |
| 693 AC_LANG_POP([C++]) | |
| 694 CXXFLAGS="$saved_cxxflags" | |
| 695 | |
| 696 AC_MSG_RESULT([$supports]) | |
| 697 if test "x$supports" = "xyes" ; then | |
| 698 m4_ifval([$2], [$2], [:]) | |
| 699 else | |
| 700 m4_ifval([$3], [$3], [:]) | |
| 701 fi | |
| 702 ]) | |
| 703 | |
| 704 # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], | |
| 705 # [RUN-IF-FALSE]) | |
| 706 # ------------------------------------------------------------ | |
| 707 # Check that the C and C++ compilers support an argument | |
| 708 AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], | |
| 709 [ | |
| 710 FLAGS_C_COMPILER_CHECK_ARGUMENTS([$1], | |
| 711 [C_COMP_SUPPORTS="yes"], | |
| 712 [C_COMP_SUPPORTS="no"]) | |
| 713 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([$1], | |
| 714 [CXX_COMP_SUPPORTS="yes"], | |
| 715 [CXX_COMP_SUPPORTS="no"]) | |
| 716 | |
| 717 AC_MSG_CHECKING([if both compilers support "$1"]) | |
| 718 supports=no | |
| 719 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi | |
| 720 | |
| 721 AC_MSG_RESULT([$supports]) | |
| 722 if test "x$supports" = "xyes" ; then | |
| 723 m4_ifval([$2], [$2], [:]) | |
| 724 else | |
| 725 m4_ifval([$3], [$3], [:]) | |
| 726 fi | |
| 727 ]) | |
| 728 | |
| 729 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], | |
| 730 [ | |
| 731 # Some Zero and Shark settings. | |
| 732 # ZERO_ARCHFLAG tells the compiler which mode to build for | |
| 733 case "${OPENJDK_TARGET_CPU}" in | |
| 734 s390) | |
| 735 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" | |
| 736 ;; | |
| 737 *) | |
| 738 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" | |
| 739 esac | |
| 740 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) | |
| 741 AC_SUBST(ZERO_ARCHFLAG) | |
| 742 | |
| 743 # Check that the compiler supports -mX (or -qX on AIX) flags | |
| 744 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does | |
| 745 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], | |
| 746 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], | |
| 747 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) | |
| 748 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) | |
| 749 ]) | |
| 750 | |
| 751 AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS], | |
| 752 [ | |
| 753 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code | |
| 754 # runs afoul of the more aggressive versions of these optimisations. | |
| 755 # Notably, value range propagation now assumes that the this pointer of C++ | |
| 756 # member functions is non-null. | |
| 757 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" | |
| 758 FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], | |
| 759 [], [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) | |
| 760 AC_SUBST([NO_DELETE_NULL_POINTER_CHECKS_CFLAG]) | |
| 761 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" | |
| 762 FLAGS_COMPILER_CHECK_ARGUMENTS([$NO_LIFETIME_DSE_CFLAG -Werror], | |
| 763 [], [NO_LIFETIME_DSE_CFLAG=""]) | |
| 764 CFLAGS_JDK="${CFLAGS_JDK} ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" | |
| 765 AC_SUBST([NO_LIFETIME_DSE_CFLAG]) | |
| 766 ]) | |
| 767 |
