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 m4_include([flags-cflags.m4]) 27 m4_include([flags-ldflags.m4]) 28 m4_include([flags-other.m4]) 29 30 ################################################################################ 31 # 32 # Setup ABI profile (for arm) 33 # 34 AC_DEFUN([FLAGS_SETUP_ABI_PROFILE], 35 [ 36 AC_ARG_WITH(abi-profile, [AS_HELP_STRING([--with-abi-profile], 37 [specify ABI profile for ARM builds (arm-vfp-sflt,arm-vfp-hflt,arm-sflt, armv5-vfp-sflt,armv6-vfp-hflt,arm64,aarch64) @<:@toolchain dependent@:>@ ])]) 38 39 if test "x$with_abi_profile" != x; then 40 if test "x$OPENJDK_TARGET_CPU" != xarm && \ 41 test "x$OPENJDK_TARGET_CPU" != xaarch64; then 42 AC_MSG_ERROR([--with-abi-profile only available on arm/aarch64]) 43 fi 44 45 OPENJDK_TARGET_ABI_PROFILE=$with_abi_profile 46 AC_MSG_CHECKING([for ABI profle]) 47 AC_MSG_RESULT([$OPENJDK_TARGET_ABI_PROFILE]) 48 49 if test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-sflt; then 50 ARM_FLOAT_TYPE=vfp-sflt 51 ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb' 52 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-hflt; then 53 ARM_FLOAT_TYPE=vfp-hflt 54 ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb' 55 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-sflt; then 56 ARM_FLOAT_TYPE=sflt 57 ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm' 58 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv5-vfp-sflt; then 59 ARM_FLOAT_TYPE=vfp-sflt 60 ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm' 61 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv6-vfp-hflt; then 62 ARM_FLOAT_TYPE=vfp-hflt 63 ARM_ARCH_TYPE_FLAGS='-march=armv6 -marm' 64 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm64; then 65 # No special flags, just need to trigger setting JDK_ARCH_ABI_PROP_NAME 66 ARM_FLOAT_TYPE= 67 ARM_ARCH_TYPE_FLAGS= 68 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xaarch64; then 69 # No special flags, just need to trigger setting JDK_ARCH_ABI_PROP_NAME 70 ARM_FLOAT_TYPE= 71 ARM_ARCH_TYPE_FLAGS= 72 else 73 AC_MSG_ERROR([Invalid ABI profile: "$OPENJDK_TARGET_ABI_PROFILE"]) 74 fi 75 76 if test "x$ARM_FLOAT_TYPE" = xvfp-sflt; then 77 ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=softfp -mfpu=vfp -DFLOAT_ARCH=-vfp-sflt' 78 elif test "x$ARM_FLOAT_TYPE" = xvfp-hflt; then 79 ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=hard -mfpu=vfp -DFLOAT_ARCH=-vfp-hflt' 80 elif test "x$ARM_FLOAT_TYPE" = xsflt; then 81 ARM_FLOAT_TYPE_FLAGS='-msoft-float -mfpu=vfp' 82 fi 83 AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags]) 84 AC_MSG_RESULT([$ARM_FLOAT_TYPE_FLAGS]) 85 86 AC_MSG_CHECKING([for arch type flags]) 87 AC_MSG_RESULT([$ARM_ARCH_TYPE_FLAGS]) 88 89 # Now set JDK_ARCH_ABI_PROP_NAME. This is equivalent to the last part of the 90 # autoconf target triplet. 91 [ JDK_ARCH_ABI_PROP_NAME=`$ECHO $OPENJDK_TARGET_AUTOCONF_NAME | $SED -e 's/.*-\([^-]*\)$/\1/'` ] 92 # Sanity check that it is a known ABI. 93 if test "x$JDK_ARCH_ABI_PROP_NAME" != xgnu && \ 94 test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabi && \ 95 test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabihf; then 96 AC_MSG_WARN([Unknown autoconf target triplet ABI: "$JDK_ARCH_ABI_PROP_NAME"]) 97 fi 98 AC_MSG_CHECKING([for ABI property name]) 99 AC_MSG_RESULT([$JDK_ARCH_ABI_PROP_NAME]) 100 AC_SUBST(JDK_ARCH_ABI_PROP_NAME) 101 fi 102 103 # When building with an abi profile, the name of that profile is appended on the 104 # bundle platform, which is used in bundle names. 105 if test "x$OPENJDK_TARGET_ABI_PROFILE" != x; then 106 OPENJDK_TARGET_BUNDLE_PLATFORM="$OPENJDK_TARGET_OS_BUNDLE-$OPENJDK_TARGET_ABI_PROFILE" 107 fi 108 ]) 109 110 AC_DEFUN([FLAGS_SETUP_MACOSX_VERSION], 111 [ 112 # Additional macosx handling 113 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 114 # MACOSX_VERSION_MIN specifies the lowest version of Macosx that the built 115 # binaries should be compatible with, even if compiled on a newer version 116 # of the OS. It currently has a hard coded value. Setting this also limits 117 # exposure to API changes in header files. Bumping this is likely to 118 # require code changes to build. 119 MACOSX_VERSION_MIN=10.9.0 120 MACOSX_VERSION_MIN_NODOTS=${MACOSX_VERSION_MIN//\./} 121 122 AC_SUBST(MACOSX_VERSION_MIN) 123 124 # Setting --with-macosx-version-max=<version> makes it an error to build or 125 # link to macosx APIs that are newer than the given OS version. The expected 126 # format for <version> is either nn.n.n or nn.nn.nn. See /usr/include/AvailabilityMacros.h. 127 AC_ARG_WITH([macosx-version-max], [AS_HELP_STRING([--with-macosx-version-max], 128 [error on use of newer functionality. @<:@macosx@:>@])], 129 [ 130 if echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]]\.[[0-9]]\$"; then 131 MACOSX_VERSION_MAX=$with_macosx_version_max 132 elif echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]][[0-9]]\.[[0-9]][[0-9]]\$"; then 133 MACOSX_VERSION_MAX=$with_macosx_version_max 134 elif test "x$with_macosx_version_max" = "xno"; then 135 # Use build system default 136 MACOSX_VERSION_MAX= 137 else 138 AC_MSG_ERROR([osx version format must be nn.n.n or nn.nn.nn]) 139 fi 140 ], 141 [MACOSX_VERSION_MAX=] 142 ) 143 MACOSX_VERSION_MAX_NODOTS=${MACOSX_VERSION_MAX//\./} 144 145 AC_SUBST(MACOSX_VERSION_MAX) 146 fi 147 ]) 148 149 # Reset the global CFLAGS/LDFLAGS variables and initialize them with the 150 # corresponding configure arguments instead 151 AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 152 [ 153 if test "x$CFLAGS" != "x"; then 154 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 155 fi 156 157 if test "x$CXXFLAGS" != "x"; then 158 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 159 fi 160 161 if test "x$LDFLAGS" != "x"; then 162 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 163 fi 164 165 if test "x$ASFLAGS" != "x"; then 166 AC_MSG_WARN([Ignoring ASFLAGS($ASFLAGS) found in environment. Use --with-extra-asflags]) 167 fi 168 169 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 170 [extra flags to be used when compiling jdk c-files])]) 171 172 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 173 [extra flags to be used when compiling jdk c++-files])]) 174 175 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 176 [extra flags to be used when linking jdk])]) 177 178 AC_ARG_WITH(extra-asflags, [AS_HELP_STRING([--with-extra-asflags], 179 [extra flags to be passed to the assembler])]) 180 181 USER_CFLAGS="$with_extra_cflags" 182 USER_CXXFLAGS="$with_extra_cxxflags" 183 USER_LDFLAGS="$with_extra_ldflags" 184 USER_ASFLAGS="$with_extra_asflags" 185 ]) 186 187 # Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 188 # that configure can use them while detecting compilers. 189 # TOOLCHAIN_TYPE is available here. 190 # Param 1 - Optional prefix to all variables. (e.g BUILD_) 191 AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 192 [ 193 if test "x[$]$1SYSROOT" != "x"; then 194 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 195 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 196 # Solaris Studio does not have a concept of sysroot. Instead we must 197 # make sure the default include and lib dirs are appended to each 198 # compile and link command line. Must also add -I-xbuiltin to enable 199 # inlining of system functions and intrinsics. 200 $1SYSROOT_CFLAGS="-I-xbuiltin -I[$]$1SYSROOT/usr/include" 201 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 202 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR" 203 # If the devkit contains the ld linker, make sure we use it. 204 AC_PATH_PROG(SOLARIS_LD, ld, , $DEVKIT_TOOLCHAIN_PATH:$DEVKIT_EXTRA_PATH) 205 # Make sure this ld is runnable. 206 if test -f "$SOLARIS_LD"; then 207 if "$SOLARIS_LD" -V > /dev/null 2> /dev/null; then 208 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -Yl,$(dirname $SOLARIS_LD)" 209 else 210 AC_MSG_WARN([Could not run $SOLARIS_LD found in devkit, reverting to system ld]) 211 fi 212 fi 213 fi 214 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 215 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 216 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 217 elif test "x$TOOLCHAIN_TYPE" = xclang; then 218 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 219 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 220 fi 221 fi 222 223 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 224 # We also need -iframework<path>/System/Library/Frameworks 225 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 226 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 227 if test -d "[$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" ; then 228 # These always need to be set on macOS 10.X, or we can't find the frameworks embedded in JavaVM.framework 229 # set this here so it doesn't have to be peppered throughout the forest 230 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 231 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 232 fi 233 fi 234 235 AC_SUBST($1SYSROOT_CFLAGS) 236 AC_SUBST($1SYSROOT_LDFLAGS) 237 ]) 238 239 AC_DEFUN_ONCE([FLAGS_PRE_TOOLCHAIN], 240 [ 241 # We should always include user supplied flags 242 FLAGS_SETUP_USER_SUPPLIED_FLAGS 243 # The sysroot flags are needed for configure to be able to run the compilers 244 FLAGS_SETUP_SYSROOT_FLAGS 245 246 # For solstudio and xlc, the word size flag is required for correct behavior. 247 # For clang/gcc, the flag is only strictly required for reduced builds, but 248 # set it always where possible (x86, sparc and ppc). 249 if test "x$TOOLCHAIN_TYPE" = xxlc; then 250 MACHINE_FLAG="-q${OPENJDK_TARGET_CPU_BITS}" 251 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 252 MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}" 253 elif test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then 254 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86 || 255 test "x$OPENJDK_TARGET_CPU_ARCH" = xsparc || 256 test "x$OPENJDK_TARGET_CPU_ARCH" = xppc; then 257 MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}" 258 fi 259 fi 260 261 # FIXME: global flags are not used yet... 262 # The "global" flags will *always* be set. Without them, it is not possible to 263 # get a working compilation. 264 GLOBAL_CFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CFLAGS" 265 GLOBAL_CXXFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CXXFLAGS" 266 GLOBAL_LDFLAGS="$MACHINE_FLAG $SYSROOT_LDFLAGS $USER_LDFLAGS" 267 # FIXME: Don't really know how to do with this, but this was the old behavior 268 GLOBAL_CPPFLAGS="$SYSROOT_CFLAGS" 269 AC_SUBST(GLOBAL_CFLAGS) 270 AC_SUBST(GLOBAL_CXXFLAGS) 271 AC_SUBST(GLOBAL_LDFLAGS) 272 AC_SUBST(GLOBAL_CPPFLAGS) 273 274 # FIXME: For compatilibity, export this as EXTRA_CFLAGS for now. 275 EXTRA_CFLAGS="$MACHINE_FLAG $USER_CFLAGS" 276 EXTRA_CXXFLAGS="$MACHINE_FLAG $USER_CXXFLAGS" 277 EXTRA_LDFLAGS="$MACHINE_FLAG $USER_LDFLAGS" 278 EXTRA_ASFLAGS="$USER_ASFLAGS" 279 280 AC_SUBST(EXTRA_CFLAGS) 281 AC_SUBST(EXTRA_CXXFLAGS) 282 AC_SUBST(EXTRA_LDFLAGS) 283 AC_SUBST(EXTRA_ASFLAGS) 284 285 # For autoconf testing to work, the global flags must also be stored in the 286 # "unnamed" CFLAGS etc. 287 CFLAGS="$GLOBAL_CFLAGS" 288 CXXFLAGS="$GLOBAL_CXXFLAGS" 289 LDFLAGS="$GLOBAL_LDFLAGS" 290 CPPFLAGS="$GLOBAL_CPPFLAGS" 291 ]) 292 293 AC_DEFUN([FLAGS_SETUP_TOOLCHAIN_CONTROL], 294 [ 295 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 296 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 297 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder 298 # commands produced by the link step (currently AIX only) 299 if test "x$TOOLCHAIN_TYPE" = xxlc; then 300 COMPILER_TARGET_BITS_FLAG="-q" 301 COMPILER_COMMAND_FILE_FLAG="-f" 302 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:" 303 else 304 COMPILER_TARGET_BITS_FLAG="-m" 305 COMPILER_COMMAND_FILE_FLAG="@" 306 COMPILER_BINDCMD_FILE_FLAG="" 307 308 # The solstudio linker does not support @-files. 309 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 310 COMPILER_COMMAND_FILE_FLAG= 311 fi 312 313 # Check if @file is supported by gcc 314 if test "x$TOOLCHAIN_TYPE" = xgcc; then 315 AC_MSG_CHECKING([if @file is supported by gcc]) 316 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument 317 $ECHO "" "--version" > command.file 318 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 319 AC_MSG_RESULT(yes) 320 COMPILER_COMMAND_FILE_FLAG="@" 321 else 322 AC_MSG_RESULT(no) 323 COMPILER_COMMAND_FILE_FLAG= 324 fi 325 $RM command.file 326 fi 327 fi 328 329 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 330 AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 331 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG) 332 333 # Check that the compiler supports -mX (or -qX on AIX) flags 334 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 335 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 336 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 337 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 338 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 339 340 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 341 CC_OUT_OPTION=-Fo 342 LD_OUT_OPTION=-out: 343 AR_OUT_OPTION=-out: 344 else 345 # The option used to specify the target .o,.a or .so file. 346 # When compiling, how to specify the to be created object file. 347 CC_OUT_OPTION='-o$(SPACE)' 348 # When linking, how to specify the output 349 LD_OUT_OPTION='-o$(SPACE)' 350 # When archiving, how to specify the destination static archive. 351 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 352 AR_OUT_OPTION='-r -cs$(SPACE)' 353 else 354 AR_OUT_OPTION='-rcs$(SPACE)' 355 fi 356 fi 357 AC_SUBST(CC_OUT_OPTION) 358 AC_SUBST(LD_OUT_OPTION) 359 AC_SUBST(AR_OUT_OPTION) 360 361 # Generate make dependency files 362 if test "x$TOOLCHAIN_TYPE" = xgcc; then 363 C_FLAG_DEPS="-MMD -MF" 364 elif test "x$TOOLCHAIN_TYPE" = xclang; then 365 C_FLAG_DEPS="-MMD -MF" 366 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 367 C_FLAG_DEPS="-xMMD -xMF" 368 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 369 C_FLAG_DEPS="-qmakedep=gcc -MF" 370 fi 371 CXX_FLAG_DEPS="$C_FLAG_DEPS" 372 AC_SUBST(C_FLAG_DEPS) 373 AC_SUBST(CXX_FLAG_DEPS) 374 ]) 375 376 AC_DEFUN_ONCE([FLAGS_POST_TOOLCHAIN], 377 [ 378 FLAGS_SETUP_TOOLCHAIN_CONTROL 379 380 if test "x$BUILD_SYSROOT" != x; then 381 FLAGS_SETUP_SYSROOT_FLAGS([BUILD_]) 382 else 383 if test "x$COMPILE_TYPE" != "xcross"; then 384 BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS" 385 BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS" 386 fi 387 fi 388 AC_SUBST(BUILD_SYSROOT_CFLAGS) 389 AC_SUBST(BUILD_SYSROOT_LDFLAGS) 390 391 ]) 392 393 AC_DEFUN([FLAGS_SETUP_FLAGS], 394 [ 395 FLAGS_SETUP_MACOSX_VERSION 396 FLAGS_SETUP_ABI_PROFILE 397 398 FLAGS_SETUP_SHARED_LIBS 399 FLAGS_SETUP_DEBUG_SYMBOLS 400 FLAGS_SETUP_WARNINGS 401 FLAGS_SETUP_QUALITY_CHECKS 402 FLAGS_SETUP_OPTIMIZATION 403 404 FLAGS_SETUP_CFLAGS 405 FLAGS_SETUP_LDFLAGS 406 407 FLAGS_SETUP_ARFLAGS 408 FLAGS_SETUP_STRIPFLAGS 409 FLAGS_SETUP_RCFLAGS 410 411 FLAGS_SETUP_ASFLAGS 412 FLAGS_SETUP_ASFLAGS_CPU_DEP([TARGET]) 413 FLAGS_SETUP_ASFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_]) 414 ]) 415 416 # FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 417 # IF_FALSE: [RUN-IF-FALSE]) 418 # ------------------------------------------------------------ 419 # Check that the C compiler supports an argument 420 BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 421 [*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@], 422 [ 423 AC_MSG_CHECKING([if ARG_PREFIX[CC] supports "ARG_ARGUMENT"]) 424 supports=yes 425 426 saved_cflags="$CFLAGS" 427 saved_cc="$CC" 428 CFLAGS="$CFLAGS ARG_ARGUMENT" 429 CC="$ARG_PREFIX[CC]" 430 AC_LANG_PUSH([C]) 431 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 432 [supports=no]) 433 AC_LANG_POP([C]) 434 CC="$saved_cc" 435 CFLAGS="$saved_cflags" 436 437 AC_MSG_RESULT([$supports]) 438 if test "x$supports" = "xyes" ; then 439 : 440 ARG_IF_TRUE 441 else 442 : 443 ARG_IF_FALSE 444 fi 445 ]) 446 447 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 448 # IF_FALSE: [RUN-IF-FALSE]) 449 # ------------------------------------------------------------ 450 # Check that the C++ compiler supports an argument 451 BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 452 [*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@], 453 [ 454 AC_MSG_CHECKING([if ARG_PREFIX[CXX] supports "ARG_ARGUMENT"]) 455 supports=yes 456 457 saved_cxxflags="$CXXFLAGS" 458 saved_cxx="$CXX" 459 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 460 CXX="$ARG_PREFIX[CXX]" 461 AC_LANG_PUSH([C++]) 462 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 463 [supports=no]) 464 AC_LANG_POP([C++]) 465 CXX="$saved_cxx" 466 CXXFLAGS="$saved_cxxflags" 467 468 AC_MSG_RESULT([$supports]) 469 if test "x$supports" = "xyes" ; then 470 : 471 ARG_IF_TRUE 472 else 473 : 474 ARG_IF_FALSE 475 fi 476 ]) 477 478 # FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 479 # IF_FALSE: [RUN-IF-FALSE]) 480 # ------------------------------------------------------------ 481 # Check that the C and C++ compilers support an argument 482 BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 483 [*ARGUMENT IF_TRUE IF_FALSE PREFIX], [$@], 484 [ 485 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 486 IF_TRUE: [C_COMP_SUPPORTS="yes"], 487 IF_FALSE: [C_COMP_SUPPORTS="no"], 488 PREFIX: [ARG_PREFIX]) 489 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 490 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 491 IF_FALSE: [CXX_COMP_SUPPORTS="no"], 492 PREFIX: [ARG_PREFIX]) 493 494 AC_MSG_CHECKING([if both ARG_PREFIX[CC] and ARG_PREFIX[CXX] support "ARG_ARGUMENT"]) 495 supports=no 496 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then 497 supports=yes; 498 fi 499 500 AC_MSG_RESULT([$supports]) 501 if test "x$supports" = "xyes" ; then 502 : 503 ARG_IF_TRUE 504 else 505 : 506 ARG_IF_FALSE 507 fi 508 ]) 509 510 # FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 511 # IF_FALSE: [RUN-IF-FALSE]) 512 # ------------------------------------------------------------ 513 # Check that the linker support an argument 514 BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 515 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 516 [ 517 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 518 supports=yes 519 520 saved_ldflags="$LDFLAGS" 521 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 522 AC_LANG_PUSH([C]) 523 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 524 [], [supports=no]) 525 AC_LANG_POP([C]) 526 LDFLAGS="$saved_ldflags" 527 528 AC_MSG_RESULT([$supports]) 529 if test "x$supports" = "xyes" ; then 530 : 531 ARG_IF_TRUE 532 else 533 : 534 ARG_IF_FALSE 535 fi 536 ])