flags.m4 revision 2406:ebb53399f956
1# 2# Copyright (c) 2011, 2016, 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################################################################################ 27# 28# Setup ABI profile (for arm) 29# 30AC_DEFUN([FLAGS_SETUP_ABI_PROFILE], 31[ 32 AC_ARG_WITH(abi-profile, [AS_HELP_STRING([--with-abi-profile], 33 [specify ABI profile for ARM builds (arm-vfp-sflt,arm-vfp-hflt,arm-sflt, armv5-vfp-sflt,armv6-vfp-hflt,arm64,aarch64) @<:@toolchain dependent@:>@ ])]) 34 35 if test "x$with_abi_profile" != x; then 36 if test "x$OPENJDK_TARGET_CPU" != xarm && \ 37 test "x$OPENJDK_TARGET_CPU" != xaarch64; then 38 AC_MSG_ERROR([--with-abi-profile only available on arm/aarch64]) 39 fi 40 41 OPENJDK_TARGET_ABI_PROFILE=$with_abi_profile 42 AC_MSG_CHECKING([for ABI profle]) 43 AC_MSG_RESULT([$OPENJDK_TARGET_ABI_PROFILE]) 44 45 if test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-sflt; then 46 ARM_FLOAT_TYPE=vfp-sflt 47 ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb' 48 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-vfp-hflt; then 49 ARM_FLOAT_TYPE=vfp-hflt 50 ARM_ARCH_TYPE_FLAGS='-march=armv7-a -mthumb' 51 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm-sflt; then 52 ARM_FLOAT_TYPE=sflt 53 ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm' 54 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv5-vfp-sflt; then 55 ARM_FLOAT_TYPE=vfp-sflt 56 ARM_ARCH_TYPE_FLAGS='-march=armv5t -marm' 57 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarmv6-vfp-hflt; then 58 ARM_FLOAT_TYPE=vfp-hflt 59 ARM_ARCH_TYPE_FLAGS='-march=armv6 -marm' 60 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xarm64; then 61 # No special flags, just need to trigger setting JDK_ARCH_ABI_PROP_NAME 62 ARM_FLOAT_TYPE= 63 ARM_ARCH_TYPE_FLAGS= 64 elif test "x$OPENJDK_TARGET_ABI_PROFILE" = xaarch64; 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 else 69 AC_MSG_ERROR([Invalid ABI profile: "$OPENJDK_TARGET_ABI_PROFILE"]) 70 fi 71 72 if test "x$ARM_FLOAT_TYPE" = xvfp-sflt; then 73 ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=softfp -mfpu=vfp -DFLOAT_ARCH=-vfp-sflt' 74 elif test "x$ARM_FLOAT_TYPE" = xvfp-hflt; then 75 ARM_FLOAT_TYPE_FLAGS='-mfloat-abi=hard -mfpu=vfp -DFLOAT_ARCH=-vfp-hflt' 76 elif test "x$ARM_FLOAT_TYPE" = xsflt; then 77 ARM_FLOAT_TYPE_FLAGS='-msoft-float -mfpu=vfp' 78 fi 79 AC_MSG_CHECKING([for $ARM_FLOAT_TYPE floating point flags]) 80 AC_MSG_RESULT([$ARM_FLOAT_TYPE_FLAGS]) 81 82 AC_MSG_CHECKING([for arch type flags]) 83 AC_MSG_RESULT([$ARM_ARCH_TYPE_FLAGS]) 84 85 # Now set JDK_ARCH_ABI_PROP_NAME. This is equivalent to the last part of the 86 # autoconf target triplet. 87 [ JDK_ARCH_ABI_PROP_NAME=`$ECHO $OPENJDK_TARGET_AUTOCONF_NAME | $SED -e 's/.*-\([^-]*\)$/\1/'` ] 88 # Sanity check that it is a known ABI. 89 if test "x$JDK_ARCH_ABI_PROP_NAME" != xgnu && \ 90 test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabi && \ 91 test "x$JDK_ARCH_ABI_PROP_NAME" != xgnueabihf; then 92 AC_MSG_WARN([Unknown autoconf target triplet ABI: "$JDK_ARCH_ABI_PROP_NAME"]) 93 fi 94 AC_MSG_CHECKING([for ABI property name]) 95 AC_MSG_RESULT([$JDK_ARCH_ABI_PROP_NAME]) 96 AC_SUBST(JDK_ARCH_ABI_PROP_NAME) 97 98 # Pass these on to the open part of configure as if they were set using 99 # --with-extra-c[xx]flags. 100 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS" 101 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS" 102 # Get rid of annoying "note: the mangling of 'va_list' has changed in GCC 4.4" 103 # FIXME: This should not really be set using extra_cflags. 104 if test "x$OPENJDK_TARGET_CPU" = xarm; then 105 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-psabi" 106 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -Wno-psabi" 107 fi 108 # Also add JDK_ARCH_ABI_PROP_NAME define, but only to CFLAGS. 109 EXTRA_CFLAGS="$EXTRA_CFLAGS -DJDK_ARCH_ABI_PROP_NAME='\"\$(JDK_ARCH_ABI_PROP_NAME)\"'" 110 # And pass the architecture flags to the linker as well 111 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS" 112 fi 113 114 # When building with an abi profile, the name of that profile is appended on the 115 # bundle platform, which is used in bundle names. 116 if test "x$OPENJDK_TARGET_ABI_PROFILE" != x; then 117 OPENJDK_TARGET_BUNDLE_PLATFORM="$OPENJDK_TARGET_OS_BUNDLE-$OPENJDK_TARGET_ABI_PROFILE" 118 fi 119]) 120 121# Reset the global CFLAGS/LDFLAGS variables and initialize them with the 122# corresponding configure arguments instead 123AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 124[ 125 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 126 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 127 fi 128 129 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 130 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 131 fi 132 133 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 134 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 135 fi 136 137 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 138 [extra flags to be used when compiling jdk c-files])]) 139 140 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 141 [extra flags to be used when compiling jdk c++-files])]) 142 143 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 144 [extra flags to be used when linking jdk])]) 145 146 EXTRA_CFLAGS="$with_extra_cflags" 147 EXTRA_CXXFLAGS="$with_extra_cxxflags" 148 EXTRA_LDFLAGS="$with_extra_ldflags" 149 150 # Hotspot needs these set in their legacy form 151 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS" 152 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS" 153 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS" 154 155 AC_SUBST(LEGACY_EXTRA_CFLAGS) 156 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 157 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 158 159 AC_SUBST(EXTRA_CFLAGS) 160 AC_SUBST(EXTRA_CXXFLAGS) 161 AC_SUBST(EXTRA_LDFLAGS) 162 163 # The global CFLAGS and LDLAGS variables are used by configure tests and 164 # should include the extra parameters 165 CFLAGS="$EXTRA_CFLAGS" 166 CXXFLAGS="$EXTRA_CXXFLAGS" 167 LDFLAGS="$EXTRA_LDFLAGS" 168 CPPFLAGS="" 169]) 170 171# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 172# that configure can use them while detecting compilers. 173# TOOLCHAIN_TYPE is available here. 174# Param 1 - Optional prefix to all variables. (e.g BUILD_) 175AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 176[ 177 if test "x[$]$1SYSROOT" != "x"; then 178 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 179 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 180 # Solaris Studio does not have a concept of sysroot. Instead we must 181 # make sure the default include and lib dirs are appended to each 182 # compile and link command line. Must also add -I-xbuiltin to enable 183 # inlining of system functions and intrinsics. 184 $1SYSROOT_CFLAGS="-I-xbuiltin -I[$]$1SYSROOT/usr/include" 185 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 186 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR" 187 fi 188 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 189 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 190 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 191 elif test "x$TOOLCHAIN_TYPE" = xclang; then 192 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 193 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 194 fi 195 # Propagate the sysroot args to hotspot 196 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 197 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 198 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 199 # The global CFLAGS and LDFLAGS variables need these for configure to function 200 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 201 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 202 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 203 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 204 fi 205 206 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 207 # We also need -iframework<path>/System/Library/Frameworks 208 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 209 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 210 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 211 # set this here so it doesn't have to be peppered throughout the forest 212 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 213 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 214 fi 215 216 AC_SUBST($1SYSROOT_CFLAGS) 217 AC_SUBST($1SYSROOT_LDFLAGS) 218]) 219 220AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 221[ 222 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 223 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 224 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder 225 # commands produced by the link step (currently AIX only) 226 if test "x$TOOLCHAIN_TYPE" = xxlc; then 227 COMPILER_TARGET_BITS_FLAG="-q" 228 COMPILER_COMMAND_FILE_FLAG="-f" 229 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:" 230 else 231 COMPILER_TARGET_BITS_FLAG="-m" 232 COMPILER_COMMAND_FILE_FLAG="@" 233 COMPILER_BINDCMD_FILE_FLAG="" 234 235 # The solstudio linker does not support @-files. 236 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 237 COMPILER_COMMAND_FILE_FLAG= 238 fi 239 240 # Check if @file is supported by gcc 241 if test "x$TOOLCHAIN_TYPE" = xgcc; then 242 AC_MSG_CHECKING([if @file is supported by gcc]) 243 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument 244 $ECHO "" "--version" > command.file 245 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 246 AC_MSG_RESULT(yes) 247 COMPILER_COMMAND_FILE_FLAG="@" 248 else 249 AC_MSG_RESULT(no) 250 COMPILER_COMMAND_FILE_FLAG= 251 fi 252 $RM command.file 253 fi 254 fi 255 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 256 AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 257 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG) 258 259 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 260 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 261 ARFLAGS="-r" 262 elif test "x$OPENJDK_TARGET_OS" = xaix; then 263 ARFLAGS="-X64" 264 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 265 # lib.exe is used as AR to create static libraries. 266 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 267 else 268 ARFLAGS="" 269 fi 270 AC_SUBST(ARFLAGS) 271 272 ## Setup strip. 273 # FIXME: should this really be per platform, or should it be per toolchain type? 274 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 275 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 276 if test "x$OPENJDK_TARGET_OS" = xlinux; then 277 STRIPFLAGS="-g" 278 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 279 STRIPFLAGS="-x" 280 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 281 STRIPFLAGS="-S" 282 elif test "x$OPENJDK_TARGET_OS" = xaix; then 283 STRIPFLAGS="-X32_64" 284 fi 285 286 AC_SUBST(STRIPFLAGS) 287 288 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 289 CC_OUT_OPTION=-Fo 290 EXE_OUT_OPTION=-out: 291 LD_OUT_OPTION=-out: 292 AR_OUT_OPTION=-out: 293 else 294 # The option used to specify the target .o,.a or .so file. 295 # When compiling, how to specify the to be created object file. 296 CC_OUT_OPTION='-o$(SPACE)' 297 # When linking, how to specify the to be created executable. 298 EXE_OUT_OPTION='-o$(SPACE)' 299 # When linking, how to specify the to be created dynamically linkable library. 300 LD_OUT_OPTION='-o$(SPACE)' 301 # When archiving, how to specify the to be create static archive for object files. 302 AR_OUT_OPTION='rcs$(SPACE)' 303 fi 304 AC_SUBST(CC_OUT_OPTION) 305 AC_SUBST(EXE_OUT_OPTION) 306 AC_SUBST(LD_OUT_OPTION) 307 AC_SUBST(AR_OUT_OPTION) 308 309 # On Windows, we need to set RC flags. 310 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 311 RC_FLAGS="-nologo -l0x409" 312 JVM_RCFLAGS="-nologo" 313 if test "x$DEBUG_LEVEL" = xrelease; then 314 RC_FLAGS="$RC_FLAGS -DNDEBUG" 315 JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG" 316 fi 317 318 # The version variables used to create RC_FLAGS may be overridden 319 # in a custom configure script, or possibly the command line. 320 # Let those variables be expanded at make time in spec.gmk. 321 # The \$ are escaped to the shell, and the $(...) variables 322 # are evaluated by make. 323 RC_FLAGS="$RC_FLAGS \ 324 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 325 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 326 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 327 -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 328 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 329 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 330 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 331 332 JVM_RCFLAGS="$JVM_RCFLAGS \ 333 -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \ 334 -D\"HS_COMPANY=\$(COMPANY_NAME)\" \ 335 -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \ 336 -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \ 337 -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \ 338 -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \ 339 -D\"HS_FNAME=jvm.dll\" \ 340 -D\"HS_INTERNAL_NAME=jvm\"" 341 fi 342 AC_SUBST(RC_FLAGS) 343 AC_SUBST(JVM_RCFLAGS) 344 345 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 346 # silence copyright notice and other headers. 347 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 348 fi 349]) 350 351AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 352[ 353 ############################################################################### 354 # 355 # How to compile shared libraries. 356 # 357 358 if test "x$TOOLCHAIN_TYPE" = xgcc; then 359 PICFLAG="-fPIC" 360 C_FLAG_REORDER='' 361 CXX_FLAG_REORDER='' 362 363 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 364 # Linking is different on MacOSX 365 if test "x$STATIC_BUILD" = xtrue; then 366 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 367 else 368 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 369 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 370 fi 371 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 372 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 373 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 374 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 375 else 376 # Default works for linux, might work on other platforms as well. 377 SHARED_LIBRARY_FLAGS='-shared' 378 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1' 379 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 380 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 381 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 382 fi 383 elif test "x$TOOLCHAIN_TYPE" = xclang; then 384 C_FLAG_REORDER='' 385 CXX_FLAG_REORDER='' 386 387 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 388 # Linking is different on MacOSX 389 PICFLAG='' 390 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 391 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 392 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 393 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 394 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 395 396 if test "x$STATIC_BUILD" = xfalse; then 397 JVM_CFLAGS="$JVM_CFLAGS -fPIC" 398 fi 399 else 400 # Default works for linux, might work on other platforms as well. 401 PICFLAG='-fPIC' 402 SHARED_LIBRARY_FLAGS='-shared' 403 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1' 404 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 405 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 406 407 # arm specific settings 408 if test "x$OPENJDK_TARGET_CPU" = "xarm"; then 409 # '-Wl,-z,origin' isn't used on arm. 410 SET_SHARED_LIBRARY_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 411 else 412 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 413 fi 414 415 fi 416 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 417 if test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 418 PICFLAG="-xcode=pic32" 419 else 420 PICFLAG="-KPIC" 421 fi 422 C_FLAG_REORDER='-xF' 423 CXX_FLAG_REORDER='-xF' 424 SHARED_LIBRARY_FLAGS="-G" 425 SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1' 426 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 427 SET_SHARED_LIBRARY_NAME='-h [$]1' 428 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 429 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 430 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only 431 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker 432 # will have to patch this single instruction with a call to some out-of-order code which 433 # does the load from the TOC. This is of course slow. But in that case we also would have 434 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'. 435 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which 436 # can be patched directly by the linker and does not require a jump to out-of-order code. 437 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc' 438 # instead. This creates a distinct TOC for every compilation unit (and thus requires two 439 # loads for accessing a global variable). But there are rumors that this may be seen as a 440 # 'performance feature' because of improved code locality of the symbols used in a 441 # compilation unit. 442 PICFLAG="-qpic" 443 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 444 C_FLAG_REORDER='' 445 CXX_FLAG_REORDER='' 446 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry" 447 SET_EXECUTABLE_ORIGIN="" 448 SET_SHARED_LIBRARY_ORIGIN='' 449 SET_SHARED_LIBRARY_NAME='' 450 SET_SHARED_LIBRARY_MAPFILE='' 451 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 452 PICFLAG="" 453 C_FLAG_REORDER='' 454 CXX_FLAG_REORDER='' 455 SHARED_LIBRARY_FLAGS="-dll" 456 SET_EXECUTABLE_ORIGIN='' 457 SET_SHARED_LIBRARY_ORIGIN='' 458 SET_SHARED_LIBRARY_NAME='' 459 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1' 460 fi 461 462 AC_SUBST(C_FLAG_REORDER) 463 AC_SUBST(CXX_FLAG_REORDER) 464 AC_SUBST(SET_EXECUTABLE_ORIGIN) 465 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 466 AC_SUBST(SET_SHARED_LIBRARY_NAME) 467 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 468 AC_SUBST(SHARED_LIBRARY_FLAGS) 469 470 # The (cross) compiler is now configured, we can now test capabilities 471 # of the target platform. 472]) 473 474# Documentation on common flags used for solstudio in HIGHEST. 475# 476# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 477# done with care, there are some assumptions below that need to 478# be understood about the use of pointers, and IEEE behavior. 479# 480# -fns: Use non-standard floating point mode (not IEEE 754) 481# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 482# -fsingle: Use single precision floating point with 'float' 483# -xalias_level=basic: Assume memory references via basic pointer types do not alias 484# (Source with excessing pointer casting and data access with mixed 485# pointer types are not recommended) 486# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 487# (If you expect perfect errno behavior, do not use this) 488# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 489# -xrestrict: Pointer parameters to functions do not overlap 490# (Similar to -xalias_level=basic usage, but less obvious sometimes. 491# If you pass in multiple pointers to the same data, do not use this) 492# -xlibmil: Inline some library routines 493# (If you expect perfect errno behavior, do not use this) 494# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 495# (If you expect perfect errno behavior, do not use this) 496# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 497 498 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 499 # Bug? 500 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 501 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 502 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 503 #fi 504 505AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 506[ 507 508 ############################################################################### 509 # 510 # Setup the opt flags for different compilers 511 # and different operating systems. 512 # 513 514 # FIXME: this was indirectly the old default, but just inherited. 515 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 516 # C_FLAG_DEPS="-MMD -MF" 517 # fi 518 519 # Generate make dependency files 520 if test "x$TOOLCHAIN_TYPE" = xgcc; then 521 C_FLAG_DEPS="-MMD -MF" 522 elif test "x$TOOLCHAIN_TYPE" = xclang; then 523 C_FLAG_DEPS="-MMD -MF" 524 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 525 C_FLAG_DEPS="-xMMD -xMF" 526 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 527 C_FLAG_DEPS="-qmakedep=gcc -MF" 528 fi 529 CXX_FLAG_DEPS="$C_FLAG_DEPS" 530 AC_SUBST(C_FLAG_DEPS) 531 AC_SUBST(CXX_FLAG_DEPS) 532 533 # Debug symbols 534 if test "x$TOOLCHAIN_TYPE" = xgcc; then 535 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 536 # reduce from default "-g2" option to save space 537 CFLAGS_DEBUG_SYMBOLS="-g1" 538 CXXFLAGS_DEBUG_SYMBOLS="-g1" 539 else 540 CFLAGS_DEBUG_SYMBOLS="-g" 541 CXXFLAGS_DEBUG_SYMBOLS="-g" 542 fi 543 elif test "x$TOOLCHAIN_TYPE" = xclang; then 544 CFLAGS_DEBUG_SYMBOLS="-g" 545 CXXFLAGS_DEBUG_SYMBOLS="-g" 546 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 547 CFLAGS_DEBUG_SYMBOLS="-g -xs" 548 # -g0 enables debug symbols without disabling inlining. 549 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 550 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 551 CFLAGS_DEBUG_SYMBOLS="-g" 552 CXXFLAGS_DEBUG_SYMBOLS="-g" 553 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 554 CFLAGS_DEBUG_SYMBOLS="-Zi" 555 CXXFLAGS_DEBUG_SYMBOLS="-Zi" 556 fi 557 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 558 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 559 560 # Debug symbols for JVM_CFLAGS 561 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 562 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs" 563 if test "x$DEBUG_LEVEL" = xslowdebug; then 564 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 565 else 566 # -g0 does not disable inlining, which -g does. 567 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0" 568 fi 569 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 570 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+" 571 else 572 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 573 fi 574 AC_SUBST(JVM_CFLAGS_SYMBOLS) 575 576 # bounds, memory and behavior checking options 577 if test "x$TOOLCHAIN_TYPE" = xgcc; then 578 case $DEBUG_LEVEL in 579 release ) 580 # no adjustment 581 ;; 582 fastdebug ) 583 # no adjustment 584 ;; 585 slowdebug ) 586 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it 587 # get's added conditionally on whether we produce debug symbols or not. 588 # This is most likely not really correct. 589 590 # Add runtime stack smashing and undefined behavior checks. 591 # Not all versions of gcc support -fstack-protector 592 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 593 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""]) 594 595 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 596 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 597 if test "x$STACK_PROTECTOR_CFLAG" != x; then 598 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 599 fi 600 ;; 601 esac 602 fi 603 604 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 605 if test "x$DEBUG_LEVEL" != xrelease; then 606 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 607 JVM_CFLAGS="$JVM_CFLAGS -homeparams" 608 fi 609 fi 610 fi 611 612 # Optimization levels 613 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 614 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 615 616 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 617 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 618 C_O_FLAG_HIGHEST_JVM="-xO4" 619 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 620 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 621 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 622 C_O_FLAG_DEBUG="-xregs=no%frameptr" 623 C_O_FLAG_DEBUG_JVM="" 624 C_O_FLAG_NONE="-xregs=no%frameptr" 625 CXX_O_FLAG_HIGHEST_JVM="-xO4" 626 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 627 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 628 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 629 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 630 CXX_O_FLAG_DEBUG_JVM="" 631 CXX_O_FLAG_NONE="-xregs=no%frameptr" 632 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 633 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 634 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 635 fi 636 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 637 C_O_FLAG_HIGHEST_JVM="-xO4" 638 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 639 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 640 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 641 C_O_FLAG_DEBUG="" 642 C_O_FLAG_DEBUG_JVM="" 643 C_O_FLAG_NONE="" 644 CXX_O_FLAG_HIGHEST_JVM="-xO4" 645 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 646 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 647 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 648 CXX_O_FLAG_DEBUG="" 649 CXX_O_FLAG_DEBUG_JVM="" 650 CXX_O_FLAG_NONE="" 651 fi 652 else 653 # The remaining toolchains share opt flags between CC and CXX; 654 # setup for C and duplicate afterwards. 655 if test "x$TOOLCHAIN_TYPE" = xgcc; then 656 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 657 # On MacOSX we optimize for size, something 658 # we should do for all platforms? 659 C_O_FLAG_HIGHEST_JVM="-Os" 660 C_O_FLAG_HIGHEST="-Os" 661 C_O_FLAG_HI="-Os" 662 C_O_FLAG_NORM="-Os" 663 C_O_FLAG_SIZE="-Os" 664 else 665 C_O_FLAG_HIGHEST_JVM="-O3" 666 C_O_FLAG_HIGHEST="-O3" 667 C_O_FLAG_HI="-O3" 668 C_O_FLAG_NORM="-O2" 669 C_O_FLAG_SIZE="-Os" 670 fi 671 C_O_FLAG_DEBUG="-O0" 672 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 673 C_O_FLAG_DEBUG_JVM="" 674 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 675 C_O_FLAG_DEBUG_JVM="-O0" 676 fi 677 C_O_FLAG_NONE="-O0" 678 elif test "x$TOOLCHAIN_TYPE" = xclang; then 679 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 680 # On MacOSX we optimize for size, something 681 # we should do for all platforms? 682 C_O_FLAG_HIGHEST_JVM="-Os" 683 C_O_FLAG_HIGHEST="-Os" 684 C_O_FLAG_HI="-Os" 685 C_O_FLAG_NORM="-Os" 686 C_O_FLAG_SIZE="-Os" 687 else 688 C_O_FLAG_HIGHEST_JVM="-O3" 689 C_O_FLAG_HIGHEST="-O3" 690 C_O_FLAG_HI="-O3" 691 C_O_FLAG_NORM="-O2" 692 C_O_FLAG_SIZE="-Os" 693 fi 694 C_O_FLAG_DEBUG="-O0" 695 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 696 C_O_FLAG_DEBUG_JVM="" 697 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 698 C_O_FLAG_DEBUG_JVM="-O0" 699 fi 700 C_O_FLAG_NONE="-O0" 701 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 702 C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue" 703 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue" 704 C_O_FLAG_HI="-O3 -qinline -qinlglue" 705 C_O_FLAG_NORM="-O2" 706 C_O_FLAG_DEBUG="-qnoopt" 707 # FIXME: Value below not verified. 708 C_O_FLAG_DEBUG_JVM="" 709 C_O_FLAG_NONE="-qnoopt" 710 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 711 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-" 712 C_O_FLAG_HIGHEST="-O2" 713 C_O_FLAG_HI="-O1" 714 C_O_FLAG_NORM="-O1" 715 C_O_FLAG_DEBUG="-Od" 716 C_O_FLAG_DEBUG_JVM="" 717 C_O_FLAG_NONE="-Od" 718 C_O_FLAG_SIZE="-Os" 719 fi 720 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM" 721 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 722 CXX_O_FLAG_HI="$C_O_FLAG_HI" 723 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 724 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 725 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM" 726 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 727 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE" 728 fi 729 730 # Adjust optimization flags according to debug level. 731 case $DEBUG_LEVEL in 732 release ) 733 # no adjustment 734 ;; 735 fastdebug ) 736 # Not quite so much optimization 737 C_O_FLAG_HI="$C_O_FLAG_NORM" 738 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 739 ;; 740 slowdebug ) 741 # Disable optimization 742 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM" 743 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 744 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 745 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 746 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG" 747 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM" 748 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 749 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 750 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 751 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG" 752 ;; 753 esac 754 755 AC_SUBST(C_O_FLAG_HIGHEST_JVM) 756 AC_SUBST(C_O_FLAG_HIGHEST) 757 AC_SUBST(C_O_FLAG_HI) 758 AC_SUBST(C_O_FLAG_NORM) 759 AC_SUBST(C_O_FLAG_DEBUG) 760 AC_SUBST(C_O_FLAG_NONE) 761 AC_SUBST(C_O_FLAG_SIZE) 762 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM) 763 AC_SUBST(CXX_O_FLAG_HIGHEST) 764 AC_SUBST(CXX_O_FLAG_HI) 765 AC_SUBST(CXX_O_FLAG_NORM) 766 AC_SUBST(CXX_O_FLAG_DEBUG) 767 AC_SUBST(CXX_O_FLAG_NONE) 768 AC_SUBST(CXX_O_FLAG_SIZE) 769]) 770 771 772AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 773[ 774 775 FLAGS_SETUP_ABI_PROFILE 776 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET]) 777 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_]) 778 779 # Tests are only ever compiled for TARGET 780 # Flags for compiling test libraries 781 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 782 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 783 784 # Flags for compiling test executables 785 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 786 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 787 788 AC_SUBST(CFLAGS_TESTLIB) 789 AC_SUBST(CFLAGS_TESTEXE) 790 AC_SUBST(CXXFLAGS_TESTLIB) 791 AC_SUBST(CXXFLAGS_TESTEXE) 792 793 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 794 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE $JAVA_BASE_LDFLAGS" 795 796 AC_SUBST(LDFLAGS_TESTLIB) 797 AC_SUBST(LDFLAGS_TESTEXE) 798 799]) 800 801################################################################################ 802# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check 803# conditionals against. 804# $2 - Optional prefix for each variable defined. 805AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER], 806[ 807 # Special extras... 808 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 809 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 810 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 811 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 812 fi 813 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 814 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 815 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 816 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 817 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 818 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 819 $2CXXSTD_CXXFLAG="-std=gnu++98" 820 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror], 821 IF_FALSE: [$2CXXSTD_CXXFLAG=""]) 822 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}" 823 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}" 824 AC_SUBST([$2CXXSTD_CXXFLAG]) 825 fi 826 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 827 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 828 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 829 fi 830 831 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 832 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 833 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 834 fi 835 836 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}" 837 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}" 838 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}" 839 840 ############################################################################### 841 # 842 # Now setup the CFLAGS and LDFLAGS for the JDK build. 843 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 844 # 845 846 # Setup compiler/platform specific flags into 847 # $2CFLAGS_JDK - C Compiler flags 848 # $2CXXFLAGS_JDK - C++ Compiler flags 849 # $2COMMON_CCXXFLAGS_JDK - common to C and C++ 850 if test "x$TOOLCHAIN_TYPE" = xgcc; then 851 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 852 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT" 853 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new" 854 if test "x$OPENJDK_$1_CPU" = xx86; then 855 # Force compatibility with i586 on 32 bit intel platforms. 856 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 857 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 858 fi 859 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 860 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 861 case $OPENJDK_$1_CPU_ARCH in 862 arm ) 863 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 864 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 865 $2COMMON_CCXXFLAGS_JDK="${$2COMMON_CCXXFLAGS_JDK} -fsigned-char" 866 ;; 867 ppc ) 868 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 869 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 870 ;; 871 s390 ) 872 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer -mbackchain -march=z10" 873 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 874 ;; 875 * ) 876 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 877 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 878 ;; 879 esac 880 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2)) 881 elif test "x$TOOLCHAIN_TYPE" = xclang; then 882 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 883 884 # Restrict the debug information created by Clang to avoid 885 # too big object files and speed the build up a little bit 886 # (see http://llvm.org/bugs/show_bug.cgi?id=7554) 887 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info" 888 if test "x$OPENJDK_$1_OS" = xlinux; then 889 if test "x$OPENJDK_$1_CPU" = xx86; then 890 # Force compatibility with i586 on 32 bit intel platforms. 891 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 892 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 893 fi 894 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized" 895 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 896 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 897 case $OPENJDK_$1_CPU_ARCH in 898 ppc ) 899 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 900 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 901 ;; 902 * ) 903 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 904 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 905 ;; 906 esac 907 fi 908 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 909 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS" 910 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 911 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then 912 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB" 913 fi 914 915 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 916 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 917 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 918 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS" 919 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 920 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 921 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 922 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \ 923 -MD -Zc:wchar_t- -W3 -wd4800 \ 924 -DWIN32_LEAN_AND_MEAN \ 925 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 926 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 927 -DWIN32 -DIAL" 928 if test "x$OPENJDK_$1_CPU" = xx86_64; then 929 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 930 else 931 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 932 fi 933 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 934 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 935 # studio. 936 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 937 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 938 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS" 939 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS" 940 fi 941 fi 942 943 ############################################################################### 944 945 # Adjust flags according to debug level. 946 case $DEBUG_LEVEL in 947 fastdebug | slowdebug ) 948 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 949 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 950 ;; 951 release ) 952 ;; 953 * ) 954 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 955 ;; 956 esac 957 958 # Set some common defines. These works for all compilers, but assume 959 # -D is universally accepted. 960 961 # Setup endianness 962 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 963 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 964 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 965 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 966 # Note: -Dmacro is the same as #define macro 1 967 # -Dmacro= is the same as #define macro 968 if test "x$OPENJDK_$1_OS" = xsolaris; then 969 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 970 else 971 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 972 fi 973 else 974 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 975 # are defined in the system? 976 if test "x$OPENJDK_$1_OS" = xsolaris; then 977 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 978 else 979 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 980 fi 981 fi 982 983 # Setup target OS define. Use OS target name but in upper case. 984 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 985 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE" 986 987 # Setup target CPU 988 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 989 $OPENJDK_$1_ADD_LP64 \ 990 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY" 991 992 # Setup debug/release defines 993 if test "x$DEBUG_LEVEL" = xrelease; then 994 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG" 995 if test "x$OPENJDK_$1_OS" = xsolaris; then 996 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED" 997 fi 998 else 999 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG" 1000 fi 1001 1002 # Set some additional per-OS defines. 1003 if test "x$OPENJDK_$1_OS" = xlinux; then 1004 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX" 1005 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe $PICFLAG -fno-rtti -fno-exceptions \ 1006 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer" 1007 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1008 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS" 1009 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \ 1010 -D_Crun_inline_placement -library=%none $PICFLAG -mt -features=no%except" 1011 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1012 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 1013 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE" 1014 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE" 1015 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \ 1016 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \ 1017 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \ 1018 -fno-omit-frame-pointer" 1019 elif test "x$OPENJDK_$1_OS" = xaix; then 1020 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX" 1021 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows. 1022 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \ 1023 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \ 1024 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno" 1025 elif test "x$OPENJDK_$1_OS" = xbsd; then 1026 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 1027 elif test "x$OPENJDK_$1_OS" = xwindows; then 1028 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_" 1029 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP" 1030 fi 1031 1032 # Set some additional per-CPU defines. 1033 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then 1034 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32" 1035 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1036 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc" 1037 elif test "x$OPENJDK_$1_CPU" = xppc64; then 1038 if test "x$OPENJDK_$1_OS" = xlinux; then 1039 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 1040 # fixes `relocation truncated to fit' error for gcc 4.1. 1041 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc" 1042 # Use ppc64 instructions, but schedule for power5 1043 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5" 1044 elif test "x$OPENJDK_$1_OS" = xaix; then 1045 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64" 1046 fi 1047 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 1048 if test "x$OPENJDK_$1_OS" = xlinux; then 1049 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 1050 # Little endian machine uses ELFv2 ABI. 1051 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2" 1052 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI. 1053 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power8 -mtune=power8" 1054 fi 1055 elif test "x$OPENJDK_$1_CPU" = xs390x; then 1056 if test "x$OPENJDK_$1_OS" = xlinux; then 1057 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mbackchain -march=z10" 1058 fi 1059 fi 1060 1061 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 1062 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN" 1063 fi 1064 1065 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 1066 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then 1067 # Solaris does not have _LP64=1 in the old build. 1068 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it. 1069 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1" 1070 fi 1071 fi 1072 1073 # Set $2JVM_CFLAGS warning handling 1074 if test "x$OPENJDK_$1_OS" = xlinux; then 1075 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \ 1076 -Wunused-value -Woverloaded-virtual" 1077 1078 if test "x$TOOLCHAIN_TYPE" = xgcc; then 1079 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2, 1080 IF_AT_LEAST: [ 1081 # These flags either do not work or give spurious warnings prior to gcc 4.8. 1082 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized" 1083 ] 1084 ) 1085 fi 1086 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 1087 # Non-zero builds have stricter warnings 1088 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2" 1089 else 1090 if test "x$TOOLCHAIN_TYPE" = xclang; then 1091 # Some versions of llvm do not like -Wundef 1092 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef" 1093 fi 1094 fi 1095 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1096 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \ 1097 -Wsign-compare -Wundef -Wunused-function -Wformat=2" 1098 fi 1099 1100 # Additional macosx handling 1101 if test "x$OPENJDK_$1_OS" = xmacosx; then 1102 # Setting these parameters makes it an error to link to macosx APIs that are 1103 # newer than the given OS version and makes the linked binaries compatible 1104 # even if built on a newer version of the OS. 1105 # The expected format is X.Y.Z 1106 MACOSX_VERSION_MIN=10.7.0 1107 AC_SUBST(MACOSX_VERSION_MIN) 1108 1109 # The macro takes the version with no dots, ex: 1070 1110 # Let the flags variables get resolved in make for easier override on make 1111 # command line. 1112 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1113 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1114 fi 1115 1116 # Setup some hard coded includes 1117 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 1118 -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \ 1119 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 1120 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \ 1121 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \ 1122 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 1123 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava" 1124 1125 # The shared libraries are compiled using the picflag. 1126 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1127 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA" 1128 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1129 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA" 1130 1131 # Executable flags 1132 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK" 1133 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK" 1134 1135 AC_SUBST($2CFLAGS_JDKLIB) 1136 AC_SUBST($2CFLAGS_JDKEXE) 1137 AC_SUBST($2CXXFLAGS_JDKLIB) 1138 AC_SUBST($2CXXFLAGS_JDKEXE) 1139 1140 # Setup LDFLAGS et al. 1141 # 1142 1143 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1144 LDFLAGS_MICROSOFT="-nologo -opt:ref" 1145 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no" 1146 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000" 1147 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then 1148 LDFLAGS_SAFESH="-safeseh" 1149 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH" 1150 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH" 1151 # NOTE: Old build added -machine. Probably not needed. 1152 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386" 1153 else 1154 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64" 1155 fi 1156 elif test "x$TOOLCHAIN_TYPE" = xclang; then 1157 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC" 1158 if test "x$OPENJDK_$1_OS" = xmacosx; then 1159 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. 1160 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1161 fi 1162 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 1163 # If this is a --hash-style=gnu system, use --hash-style=both, why? 1164 # We have previously set HAS_GNU_HASH if this is the case 1165 if test -n "$HAS_GNU_HASH"; then 1166 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both" 1167 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE" 1168 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE" 1169 fi 1170 if test "x$OPENJDK_$1_OS" = xmacosx; then 1171 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1172 fi 1173 if test "x$OPENJDK_$1_OS" = xlinux; then 1174 # And since we now know that the linker is gnu, then add -z defs, to forbid 1175 # undefined symbols in object files. 1176 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs" 1177 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM" 1178 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM" 1179 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack" 1180 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK" 1181 if test "x$OPENJDK_$1_CPU" = xx86; then 1182 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586" 1183 fi 1184 case $DEBUG_LEVEL in 1185 release ) 1186 # tell linker to optimize libraries. 1187 # Should this be supplied to the OSS linker as well? 1188 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1" 1189 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release" 1190 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release" 1191 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1192 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1193 fi 1194 ;; 1195 slowdebug ) 1196 # Hotspot always let the linker optimize 1197 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1198 if test "x$HAS_LINKER_NOW" = "xtrue"; then 1199 # do relocations at load 1200 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG" 1201 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 1202 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG" 1203 fi 1204 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1205 # mark relocations read only 1206 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1207 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1208 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1209 fi 1210 ;; 1211 fastdebug ) 1212 # Hotspot always let the linker optimize 1213 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1214 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1215 # mark relocations read only 1216 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1217 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1218 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1219 fi 1220 ;; 1221 * ) 1222 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 1223 ;; 1224 esac 1225 fi 1226 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1227 LDFLAGS_SOLSTUDIO="-Wl,-z,defs" 1228 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext" 1229 LDFLAGS_CXX_SOLSTUDIO="-norunpath" 1230 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib" 1231 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion" 1232 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 1233 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc" 1234 fi 1235 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 1236 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok" 1237 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC" 1238 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC" 1239 fi 1240 1241 # Customize LDFLAGS for executables 1242 1243 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}" 1244 1245 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1246 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then 1247 LDFLAGS_STACK_SIZE=1048576 1248 else 1249 LDFLAGS_STACK_SIZE=327680 1250 fi 1251 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 1252 elif test "x$OPENJDK_$1_OS" = xlinux; then 1253 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 1254 fi 1255 1256 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}" 1257 1258 # Customize LDFLAGS for libs 1259 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}" 1260 1261 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 1262 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1263 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1264 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 1265 $2JDKLIB_LIBS="" 1266 else 1267 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1268 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base" 1269 1270 if test "x$1" = "xTARGET"; then 1271 # On some platforms (mac) the linker warns about non existing -L dirs. 1272 # For any of the variants server, client or minimal, the dir matches the 1273 # variant name. The "main" variant should be used for linking. For the 1274 # rest, the dir is just server. 1275 if HOTSPOT_CHECK_JVM_VARIANT(server) || HOTSPOT_CHECK_JVM_VARIANT(client) \ 1276 || HOTSPOT_CHECK_JVM_VARIANT(minimal); then 1277 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1278 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/$JVM_VARIANT_MAIN" 1279 else 1280 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1281 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server" 1282 fi 1283 elif test "x$1" = "xBUILD"; then 1284 # When building a buildjdk, it's always only the server variant 1285 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1286 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server" 1287 fi 1288 1289 $2JDKLIB_LIBS="-ljava -ljvm" 1290 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1291 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc" 1292 fi 1293 1294 fi 1295 1296$2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}" 1297 1298 # Set $2JVM_LIBS (per os) 1299 if test "x$OPENJDK_$1_OS" = xlinux; then 1300 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread" 1301 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1302 # FIXME: This hard-coded path is not really proper. 1303 if test "x$OPENJDK_$1_CPU" = xx86_64; then 1304 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1" 1305 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1306 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1" 1307 fi 1308 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \ 1309 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt" 1310 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1311 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1312 elif test "x$OPENJDK_$1_OS" = xaix; then 1313 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread" 1314 elif test "x$OPENJDK_$1_OS" = xbsd; then 1315 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1316 elif test "x$OPENJDK_$1_OS" = xwindows; then 1317 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \ 1318 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \ 1319 wsock32.lib winmm.lib version.lib psapi.lib" 1320 fi 1321 1322 # Set $2JVM_ASFLAGS 1323 if test "x$OPENJDK_$1_OS" = xlinux; then 1324 if test "x$OPENJDK_$1_CPU" = xx86; then 1325 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586" 1326 fi 1327 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1328 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16" 1329 fi 1330 1331 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}" 1332 1333 AC_SUBST($2LDFLAGS_JDKLIB) 1334 AC_SUBST($2LDFLAGS_JDKEXE) 1335 AC_SUBST($2JDKLIB_LIBS) 1336 AC_SUBST($2JDKEXE_LIBS) 1337 AC_SUBST($2LDFLAGS_CXX_JDK) 1338 AC_SUBST($2LDFLAGS_HASH_STYLE) 1339 1340 AC_SUBST($2JVM_CFLAGS) 1341 AC_SUBST($2JVM_LDFLAGS) 1342 AC_SUBST($2JVM_ASFLAGS) 1343 AC_SUBST($2JVM_LIBS) 1344 1345]) 1346 1347# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1348# IF_FALSE: [RUN-IF-FALSE]) 1349# ------------------------------------------------------------ 1350# Check that the C compiler supports an argument 1351BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 1352 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1353[ 1354 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"]) 1355 supports=yes 1356 1357 saved_cflags="$CFLAGS" 1358 CFLAGS="$CFLAGS ARG_ARGUMENT" 1359 AC_LANG_PUSH([C]) 1360 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1361 [supports=no]) 1362 AC_LANG_POP([C]) 1363 CFLAGS="$saved_cflags" 1364 1365 AC_MSG_RESULT([$supports]) 1366 if test "x$supports" = "xyes" ; then 1367 : 1368 ARG_IF_TRUE 1369 else 1370 : 1371 ARG_IF_FALSE 1372 fi 1373]) 1374 1375# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1376# IF_FALSE: [RUN-IF-FALSE]) 1377# ------------------------------------------------------------ 1378# Check that the C++ compiler supports an argument 1379BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 1380 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1381[ 1382 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"]) 1383 supports=yes 1384 1385 saved_cxxflags="$CXXFLAGS" 1386 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 1387 AC_LANG_PUSH([C++]) 1388 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1389 [supports=no]) 1390 AC_LANG_POP([C++]) 1391 CXXFLAGS="$saved_cxxflags" 1392 1393 AC_MSG_RESULT([$supports]) 1394 if test "x$supports" = "xyes" ; then 1395 : 1396 ARG_IF_TRUE 1397 else 1398 : 1399 ARG_IF_FALSE 1400 fi 1401]) 1402 1403# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1404# IF_FALSE: [RUN-IF-FALSE]) 1405# ------------------------------------------------------------ 1406# Check that the C and C++ compilers support an argument 1407BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 1408 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1409[ 1410 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1411 IF_TRUE: [C_COMP_SUPPORTS="yes"], 1412 IF_FALSE: [C_COMP_SUPPORTS="no"]) 1413 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1414 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 1415 IF_FALSE: [CXX_COMP_SUPPORTS="no"]) 1416 1417 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"]) 1418 supports=no 1419 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi 1420 1421 AC_MSG_RESULT([$supports]) 1422 if test "x$supports" = "xyes" ; then 1423 : 1424 ARG_IF_TRUE 1425 else 1426 : 1427 ARG_IF_FALSE 1428 fi 1429]) 1430 1431# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1432# IF_FALSE: [RUN-IF-FALSE]) 1433# ------------------------------------------------------------ 1434# Check that the linker support an argument 1435BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 1436 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1437[ 1438 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 1439 supports=yes 1440 1441 saved_ldflags="$LDFLAGS" 1442 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 1443 AC_LANG_PUSH([C]) 1444 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 1445 [], [supports=no]) 1446 AC_LANG_POP([C]) 1447 LDFLAGS="$saved_ldflags" 1448 1449 AC_MSG_RESULT([$supports]) 1450 if test "x$supports" = "xyes" ; then 1451 : 1452 ARG_IF_TRUE 1453 else 1454 : 1455 ARG_IF_FALSE 1456 fi 1457]) 1458 1459AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 1460[ 1461 # Some Zero and Shark settings. 1462 # ZERO_ARCHFLAG tells the compiler which mode to build for 1463 case "${OPENJDK_TARGET_CPU}" in 1464 s390) 1465 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 1466 ;; 1467 *) 1468 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 1469 esac 1470 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 1471 AC_SUBST(ZERO_ARCHFLAG) 1472 1473 # Check that the compiler supports -mX (or -qX on AIX) flags 1474 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 1475 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 1476 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 1477 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 1478 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 1479 1480 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 1481 [do not consider native warnings to be an error @<:@enabled@:>@])]) 1482 1483 AC_MSG_CHECKING([if native warnings are errors]) 1484 if test "x$enable_warnings_as_errors" = "xyes"; then 1485 AC_MSG_RESULT([yes (explicitly set)]) 1486 WARNINGS_AS_ERRORS=true 1487 elif test "x$enable_warnings_as_errors" = "xno"; then 1488 AC_MSG_RESULT([no]) 1489 WARNINGS_AS_ERRORS=false 1490 elif test "x$enable_warnings_as_errors" = "x"; then 1491 AC_MSG_RESULT([yes (default)]) 1492 WARNINGS_AS_ERRORS=true 1493 else 1494 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 1495 fi 1496 1497 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1498 # Set legacy hotspot variable 1499 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1500 else 1501 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1502 fi 1503 1504 AC_SUBST(WARNINGS_AS_ERRORS) 1505 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1506 1507 case "${TOOLCHAIN_TYPE}" in 1508 microsoft) 1509 DISABLE_WARNING_PREFIX="-wd" 1510 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1511 ;; 1512 solstudio) 1513 DISABLE_WARNING_PREFIX="-erroff=" 1514 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1515 ;; 1516 gcc) 1517 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1518 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1519 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1520 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1521 ) 1522 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1523 DISABLE_WARNING_PREFIX="-Wno-" 1524 else 1525 DISABLE_WARNING_PREFIX= 1526 fi 1527 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1528 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset 1529 # CFLAGS since any target specific flags will likely not work with the 1530 # build compiler 1531 CC_OLD="$CC" 1532 CXX_OLD="$CXX" 1533 CC="$BUILD_CC" 1534 CXX="$BUILD_CXX" 1535 CFLAGS_OLD="$CFLAGS" 1536 CFLAGS="" 1537 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1538 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1539 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1540 ) 1541 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1542 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1543 else 1544 BUILD_CC_DISABLE_WARNING_PREFIX= 1545 fi 1546 CC="$CC_OLD" 1547 CXX="$CXX_OLD" 1548 CFLAGS="$CFLAGS_OLD" 1549 ;; 1550 clang) 1551 DISABLE_WARNING_PREFIX="-Wno-" 1552 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1553 ;; 1554 xlc) 1555 DISABLE_WARNING_PREFIX="-qsuppress=" 1556 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w" 1557 ;; 1558 esac 1559 AC_SUBST(DISABLE_WARNING_PREFIX) 1560 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX) 1561 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1562]) 1563 1564# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX]) 1565# Arguments: 1566# $1 - Optional prefix for each variable defined. 1567AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS], 1568[ 1569 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code 1570 # runs afoul of the more aggressive versions of these optimisations. 1571 # Notably, value range propagation now assumes that the this pointer of C++ 1572 # member functions is non-null. 1573 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" 1574 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1575 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], 1576 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) 1577 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" 1578 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1579 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror], 1580 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""]) 1581 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}]) 1582 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1583 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1584]) 1585