flags.m4 revision 2397:e7c91db2cd25
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# Reset the global CFLAGS/LDFLAGS variables and initialize them with the 27# corresponding configure arguments instead 28AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 29[ 30 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 31 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 32 fi 33 34 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 35 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 36 fi 37 38 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 39 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 40 fi 41 42 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 43 [extra flags to be used when compiling jdk c-files])]) 44 45 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 46 [extra flags to be used when compiling jdk c++-files])]) 47 48 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 49 [extra flags to be used when linking jdk])]) 50 51 EXTRA_CFLAGS="$with_extra_cflags" 52 EXTRA_CXXFLAGS="$with_extra_cxxflags" 53 EXTRA_LDFLAGS="$with_extra_ldflags" 54 55 # Hotspot needs these set in their legacy form 56 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS" 57 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS" 58 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS" 59 60 AC_SUBST(LEGACY_EXTRA_CFLAGS) 61 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 62 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 63 64 AC_SUBST(EXTRA_CFLAGS) 65 AC_SUBST(EXTRA_CXXFLAGS) 66 AC_SUBST(EXTRA_LDFLAGS) 67 68 # The global CFLAGS and LDLAGS variables are used by configure tests and 69 # should include the extra parameters 70 CFLAGS="$EXTRA_CFLAGS" 71 CXXFLAGS="$EXTRA_CXXFLAGS" 72 LDFLAGS="$EXTRA_LDFLAGS" 73 CPPFLAGS="" 74]) 75 76# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 77# that configure can use them while detecting compilers. 78# TOOLCHAIN_TYPE is available here. 79# Param 1 - Optional prefix to all variables. (e.g BUILD_) 80AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 81[ 82 if test "x[$]$1SYSROOT" != "x"; then 83 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 84 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 85 # Solaris Studio does not have a concept of sysroot. Instead we must 86 # make sure the default include and lib dirs are appended to each 87 # compile and link command line. Must also add -I-xbuiltin to enable 88 # inlining of system functions and intrinsics. 89 $1SYSROOT_CFLAGS="-I-xbuiltin -I[$]$1SYSROOT/usr/include" 90 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 91 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR" 92 fi 93 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 94 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 95 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 96 elif test "x$TOOLCHAIN_TYPE" = xclang; then 97 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 98 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 99 fi 100 # Propagate the sysroot args to hotspot 101 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 102 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 103 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 104 # The global CFLAGS and LDFLAGS variables need these for configure to function 105 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 106 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 107 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 108 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 109 fi 110 111 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 112 # We also need -iframework<path>/System/Library/Frameworks 113 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 114 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 115 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 116 # set this here so it doesn't have to be peppered throughout the forest 117 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 118 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 119 fi 120 121 AC_SUBST($1SYSROOT_CFLAGS) 122 AC_SUBST($1SYSROOT_LDFLAGS) 123]) 124 125AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 126[ 127 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 128 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 129 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder 130 # commands produced by the link step (currently AIX only) 131 if test "x$TOOLCHAIN_TYPE" = xxlc; then 132 COMPILER_TARGET_BITS_FLAG="-q" 133 COMPILER_COMMAND_FILE_FLAG="-f" 134 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:" 135 else 136 COMPILER_TARGET_BITS_FLAG="-m" 137 COMPILER_COMMAND_FILE_FLAG="@" 138 COMPILER_BINDCMD_FILE_FLAG="" 139 140 # The solstudio linker does not support @-files. 141 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 142 COMPILER_COMMAND_FILE_FLAG= 143 fi 144 145 # Check if @file is supported by gcc 146 if test "x$TOOLCHAIN_TYPE" = xgcc; then 147 AC_MSG_CHECKING([if @file is supported by gcc]) 148 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument 149 $ECHO "" "--version" > command.file 150 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 151 AC_MSG_RESULT(yes) 152 COMPILER_COMMAND_FILE_FLAG="@" 153 else 154 AC_MSG_RESULT(no) 155 COMPILER_COMMAND_FILE_FLAG= 156 fi 157 $RM command.file 158 fi 159 fi 160 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 161 AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 162 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG) 163 164 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 165 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 166 ARFLAGS="-r" 167 elif test "x$OPENJDK_TARGET_OS" = xaix; then 168 ARFLAGS="-X64" 169 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 170 # lib.exe is used as AR to create static libraries. 171 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 172 else 173 ARFLAGS="" 174 fi 175 AC_SUBST(ARFLAGS) 176 177 ## Setup strip. 178 # FIXME: should this really be per platform, or should it be per toolchain type? 179 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 180 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 181 if test "x$OPENJDK_TARGET_OS" = xlinux; then 182 STRIPFLAGS="-g" 183 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 184 STRIPFLAGS="-x" 185 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 186 STRIPFLAGS="-S" 187 elif test "x$OPENJDK_TARGET_OS" = xaix; then 188 STRIPFLAGS="-X32_64" 189 fi 190 191 AC_SUBST(STRIPFLAGS) 192 193 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 194 CC_OUT_OPTION=-Fo 195 EXE_OUT_OPTION=-out: 196 LD_OUT_OPTION=-out: 197 AR_OUT_OPTION=-out: 198 else 199 # The option used to specify the target .o,.a or .so file. 200 # When compiling, how to specify the to be created object file. 201 CC_OUT_OPTION='-o$(SPACE)' 202 # When linking, how to specify the to be created executable. 203 EXE_OUT_OPTION='-o$(SPACE)' 204 # When linking, how to specify the to be created dynamically linkable library. 205 LD_OUT_OPTION='-o$(SPACE)' 206 # When archiving, how to specify the to be create static archive for object files. 207 AR_OUT_OPTION='rcs$(SPACE)' 208 fi 209 AC_SUBST(CC_OUT_OPTION) 210 AC_SUBST(EXE_OUT_OPTION) 211 AC_SUBST(LD_OUT_OPTION) 212 AC_SUBST(AR_OUT_OPTION) 213 214 # On Windows, we need to set RC flags. 215 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 216 RC_FLAGS="-nologo -l0x409" 217 JVM_RCFLAGS="-nologo" 218 if test "x$DEBUG_LEVEL" = xrelease; then 219 RC_FLAGS="$RC_FLAGS -DNDEBUG" 220 JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG" 221 fi 222 223 # The version variables used to create RC_FLAGS may be overridden 224 # in a custom configure script, or possibly the command line. 225 # Let those variables be expanded at make time in spec.gmk. 226 # The \$ are escaped to the shell, and the $(...) variables 227 # are evaluated by make. 228 RC_FLAGS="$RC_FLAGS \ 229 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 230 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 231 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 232 -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 233 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 234 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 235 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 236 237 JVM_RCFLAGS="$JVM_RCFLAGS \ 238 -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \ 239 -D\"HS_COMPANY=\$(COMPANY_NAME)\" \ 240 -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \ 241 -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \ 242 -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \ 243 -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \ 244 -D\"HS_FNAME=jvm.dll\" \ 245 -D\"HS_INTERNAL_NAME=jvm\"" 246 fi 247 AC_SUBST(RC_FLAGS) 248 AC_SUBST(JVM_RCFLAGS) 249 250 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 251 # silence copyright notice and other headers. 252 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 253 fi 254]) 255 256AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 257[ 258 ############################################################################### 259 # 260 # How to compile shared libraries. 261 # 262 263 if test "x$TOOLCHAIN_TYPE" = xgcc; then 264 PICFLAG="-fPIC" 265 C_FLAG_REORDER='' 266 CXX_FLAG_REORDER='' 267 268 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 269 # Linking is different on MacOSX 270 if test "x$STATIC_BUILD" = xtrue; then 271 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 272 else 273 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 274 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 275 fi 276 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 277 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 278 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 279 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 280 else 281 # Default works for linux, might work on other platforms as well. 282 SHARED_LIBRARY_FLAGS='-shared' 283 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1' 284 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 285 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 286 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 287 fi 288 elif test "x$TOOLCHAIN_TYPE" = xclang; then 289 C_FLAG_REORDER='' 290 CXX_FLAG_REORDER='' 291 292 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 293 # Linking is different on MacOSX 294 PICFLAG='' 295 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 296 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 297 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 298 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 299 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 300 301 if test "x$STATIC_BUILD" = xfalse; then 302 JVM_CFLAGS="$JVM_CFLAGS -fPIC" 303 fi 304 else 305 # Default works for linux, might work on other platforms as well. 306 PICFLAG='-fPIC' 307 SHARED_LIBRARY_FLAGS='-shared' 308 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1' 309 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 310 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 311 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 312 fi 313 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 314 if test "x$OPENJDK_TARGET_CPU" = xsparcv9; then 315 PICFLAG="-xcode=pic32" 316 else 317 PICFLAG="-KPIC" 318 fi 319 C_FLAG_REORDER='-xF' 320 CXX_FLAG_REORDER='-xF' 321 SHARED_LIBRARY_FLAGS="-G" 322 SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1' 323 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 324 SET_SHARED_LIBRARY_NAME='-h [$]1' 325 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 326 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 327 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only 328 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker 329 # will have to patch this single instruction with a call to some out-of-order code which 330 # does the load from the TOC. This is of course slow. But in that case we also would have 331 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'. 332 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which 333 # can be patched directly by the linker and does not require a jump to out-of-order code. 334 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc' 335 # instead. This creates a distinct TOC for every compilation unit (and thus requires two 336 # loads for accessing a global variable). But there are rumors that this may be seen as a 337 # 'performance feature' because of improved code locality of the symbols used in a 338 # compilation unit. 339 PICFLAG="-qpic" 340 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 341 C_FLAG_REORDER='' 342 CXX_FLAG_REORDER='' 343 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry" 344 SET_EXECUTABLE_ORIGIN="" 345 SET_SHARED_LIBRARY_ORIGIN='' 346 SET_SHARED_LIBRARY_NAME='' 347 SET_SHARED_LIBRARY_MAPFILE='' 348 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 349 PICFLAG="" 350 C_FLAG_REORDER='' 351 CXX_FLAG_REORDER='' 352 SHARED_LIBRARY_FLAGS="-dll" 353 SET_EXECUTABLE_ORIGIN='' 354 SET_SHARED_LIBRARY_ORIGIN='' 355 SET_SHARED_LIBRARY_NAME='' 356 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1' 357 fi 358 359 AC_SUBST(C_FLAG_REORDER) 360 AC_SUBST(CXX_FLAG_REORDER) 361 AC_SUBST(SET_EXECUTABLE_ORIGIN) 362 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 363 AC_SUBST(SET_SHARED_LIBRARY_NAME) 364 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 365 AC_SUBST(SHARED_LIBRARY_FLAGS) 366 367 # The (cross) compiler is now configured, we can now test capabilities 368 # of the target platform. 369]) 370 371# Documentation on common flags used for solstudio in HIGHEST. 372# 373# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 374# done with care, there are some assumptions below that need to 375# be understood about the use of pointers, and IEEE behavior. 376# 377# -fns: Use non-standard floating point mode (not IEEE 754) 378# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 379# -fsingle: Use single precision floating point with 'float' 380# -xalias_level=basic: Assume memory references via basic pointer types do not alias 381# (Source with excessing pointer casting and data access with mixed 382# pointer types are not recommended) 383# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 384# (If you expect perfect errno behavior, do not use this) 385# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 386# -xrestrict: Pointer parameters to functions do not overlap 387# (Similar to -xalias_level=basic usage, but less obvious sometimes. 388# If you pass in multiple pointers to the same data, do not use this) 389# -xlibmil: Inline some library routines 390# (If you expect perfect errno behavior, do not use this) 391# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 392# (If you expect perfect errno behavior, do not use this) 393# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 394 395 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 396 # Bug? 397 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 398 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 399 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 400 #fi 401 402AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 403[ 404 405 ############################################################################### 406 # 407 # Setup the opt flags for different compilers 408 # and different operating systems. 409 # 410 411 # FIXME: this was indirectly the old default, but just inherited. 412 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 413 # C_FLAG_DEPS="-MMD -MF" 414 # fi 415 416 # Generate make dependency files 417 if test "x$TOOLCHAIN_TYPE" = xgcc; then 418 C_FLAG_DEPS="-MMD -MF" 419 elif test "x$TOOLCHAIN_TYPE" = xclang; then 420 C_FLAG_DEPS="-MMD -MF" 421 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 422 C_FLAG_DEPS="-xMMD -xMF" 423 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 424 C_FLAG_DEPS="-qmakedep=gcc -MF" 425 fi 426 CXX_FLAG_DEPS="$C_FLAG_DEPS" 427 AC_SUBST(C_FLAG_DEPS) 428 AC_SUBST(CXX_FLAG_DEPS) 429 430 # Debug symbols 431 if test "x$TOOLCHAIN_TYPE" = xgcc; then 432 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 433 # reduce from default "-g2" option to save space 434 CFLAGS_DEBUG_SYMBOLS="-g1" 435 CXXFLAGS_DEBUG_SYMBOLS="-g1" 436 else 437 CFLAGS_DEBUG_SYMBOLS="-g" 438 CXXFLAGS_DEBUG_SYMBOLS="-g" 439 fi 440 elif test "x$TOOLCHAIN_TYPE" = xclang; then 441 CFLAGS_DEBUG_SYMBOLS="-g" 442 CXXFLAGS_DEBUG_SYMBOLS="-g" 443 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 444 CFLAGS_DEBUG_SYMBOLS="-g -xs" 445 # -g0 enables debug symbols without disabling inlining. 446 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 447 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 448 CFLAGS_DEBUG_SYMBOLS="-g" 449 CXXFLAGS_DEBUG_SYMBOLS="-g" 450 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 451 CFLAGS_DEBUG_SYMBOLS="-Zi" 452 CXXFLAGS_DEBUG_SYMBOLS="-Zi" 453 fi 454 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 455 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 456 457 # Debug symbols for JVM_CFLAGS 458 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 459 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs" 460 if test "x$DEBUG_LEVEL" = xslowdebug; then 461 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 462 else 463 # -g0 does not disable inlining, which -g does. 464 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0" 465 fi 466 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 467 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+" 468 else 469 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 470 fi 471 AC_SUBST(JVM_CFLAGS_SYMBOLS) 472 473 # bounds, memory and behavior checking options 474 if test "x$TOOLCHAIN_TYPE" = xgcc; then 475 case $DEBUG_LEVEL in 476 release ) 477 # no adjustment 478 ;; 479 fastdebug ) 480 # no adjustment 481 ;; 482 slowdebug ) 483 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it 484 # get's added conditionally on whether we produce debug symbols or not. 485 # This is most likely not really correct. 486 487 # Add runtime stack smashing and undefined behavior checks. 488 # Not all versions of gcc support -fstack-protector 489 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 490 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""]) 491 492 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 493 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 494 if test "x$STACK_PROTECTOR_CFLAG" != x; then 495 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 496 fi 497 ;; 498 esac 499 fi 500 501 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 502 if test "x$DEBUG_LEVEL" != xrelease; then 503 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 504 JVM_CFLAGS="$JVM_CFLAGS -homeparams" 505 fi 506 fi 507 fi 508 509 # Optimization levels 510 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 511 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 512 513 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 514 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 515 C_O_FLAG_HIGHEST_JVM="-xO4" 516 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 517 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 518 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 519 C_O_FLAG_DEBUG="-xregs=no%frameptr" 520 C_O_FLAG_DEBUG_JVM="" 521 C_O_FLAG_NONE="-xregs=no%frameptr" 522 CXX_O_FLAG_HIGHEST_JVM="-xO4" 523 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 524 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 525 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 526 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 527 CXX_O_FLAG_DEBUG_JVM="" 528 CXX_O_FLAG_NONE="-xregs=no%frameptr" 529 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 530 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 531 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 532 fi 533 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 534 C_O_FLAG_HIGHEST_JVM="-xO4" 535 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 536 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 537 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 538 C_O_FLAG_DEBUG="" 539 C_O_FLAG_DEBUG_JVM="" 540 C_O_FLAG_NONE="" 541 CXX_O_FLAG_HIGHEST_JVM="-xO4" 542 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 543 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 544 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 545 CXX_O_FLAG_DEBUG="" 546 CXX_O_FLAG_DEBUG_JVM="" 547 CXX_O_FLAG_NONE="" 548 fi 549 else 550 # The remaining toolchains share opt flags between CC and CXX; 551 # setup for C and duplicate afterwards. 552 if test "x$TOOLCHAIN_TYPE" = xgcc; then 553 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 554 # On MacOSX we optimize for size, something 555 # we should do for all platforms? 556 C_O_FLAG_HIGHEST_JVM="-Os" 557 C_O_FLAG_HIGHEST="-Os" 558 C_O_FLAG_HI="-Os" 559 C_O_FLAG_NORM="-Os" 560 C_O_FLAG_SIZE="-Os" 561 else 562 C_O_FLAG_HIGHEST_JVM="-O3" 563 C_O_FLAG_HIGHEST="-O3" 564 C_O_FLAG_HI="-O3" 565 C_O_FLAG_NORM="-O2" 566 C_O_FLAG_SIZE="-Os" 567 fi 568 C_O_FLAG_DEBUG="-O0" 569 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 570 C_O_FLAG_DEBUG_JVM="" 571 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 572 C_O_FLAG_DEBUG_JVM="-O0" 573 fi 574 C_O_FLAG_NONE="-O0" 575 elif test "x$TOOLCHAIN_TYPE" = xclang; then 576 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 577 # On MacOSX we optimize for size, something 578 # we should do for all platforms? 579 C_O_FLAG_HIGHEST_JVM="-Os" 580 C_O_FLAG_HIGHEST="-Os" 581 C_O_FLAG_HI="-Os" 582 C_O_FLAG_NORM="-Os" 583 C_O_FLAG_SIZE="-Os" 584 else 585 C_O_FLAG_HIGHEST_JVM="-O3" 586 C_O_FLAG_HIGHEST="-O3" 587 C_O_FLAG_HI="-O3" 588 C_O_FLAG_NORM="-O2" 589 C_O_FLAG_SIZE="-Os" 590 fi 591 C_O_FLAG_DEBUG="-O0" 592 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 593 C_O_FLAG_DEBUG_JVM="" 594 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 595 C_O_FLAG_DEBUG_JVM="-O0" 596 fi 597 C_O_FLAG_NONE="-O0" 598 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 599 C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue" 600 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue" 601 C_O_FLAG_HI="-O3 -qinline -qinlglue" 602 C_O_FLAG_NORM="-O2" 603 C_O_FLAG_DEBUG="-qnoopt" 604 # FIXME: Value below not verified. 605 C_O_FLAG_DEBUG_JVM="" 606 C_O_FLAG_NONE="-qnoopt" 607 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 608 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-" 609 C_O_FLAG_HIGHEST="-O2" 610 C_O_FLAG_HI="-O1" 611 C_O_FLAG_NORM="-O1" 612 C_O_FLAG_DEBUG="-Od" 613 C_O_FLAG_DEBUG_JVM="" 614 C_O_FLAG_NONE="-Od" 615 C_O_FLAG_SIZE="-Os" 616 fi 617 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM" 618 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 619 CXX_O_FLAG_HI="$C_O_FLAG_HI" 620 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 621 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 622 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM" 623 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 624 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE" 625 fi 626 627 # Adjust optimization flags according to debug level. 628 case $DEBUG_LEVEL in 629 release ) 630 # no adjustment 631 ;; 632 fastdebug ) 633 # Not quite so much optimization 634 C_O_FLAG_HI="$C_O_FLAG_NORM" 635 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 636 ;; 637 slowdebug ) 638 # Disable optimization 639 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM" 640 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 641 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 642 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 643 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG" 644 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM" 645 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 646 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 647 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 648 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG" 649 ;; 650 esac 651 652 AC_SUBST(C_O_FLAG_HIGHEST_JVM) 653 AC_SUBST(C_O_FLAG_HIGHEST) 654 AC_SUBST(C_O_FLAG_HI) 655 AC_SUBST(C_O_FLAG_NORM) 656 AC_SUBST(C_O_FLAG_DEBUG) 657 AC_SUBST(C_O_FLAG_NONE) 658 AC_SUBST(C_O_FLAG_SIZE) 659 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM) 660 AC_SUBST(CXX_O_FLAG_HIGHEST) 661 AC_SUBST(CXX_O_FLAG_HI) 662 AC_SUBST(CXX_O_FLAG_NORM) 663 AC_SUBST(CXX_O_FLAG_DEBUG) 664 AC_SUBST(CXX_O_FLAG_NONE) 665 AC_SUBST(CXX_O_FLAG_SIZE) 666]) 667 668 669AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 670[ 671 672 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET]) 673 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_]) 674 675 # Tests are only ever compiled for TARGET 676 # Flags for compiling test libraries 677 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 678 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 679 680 # Flags for compiling test executables 681 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 682 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 683 684 AC_SUBST(CFLAGS_TESTLIB) 685 AC_SUBST(CFLAGS_TESTEXE) 686 AC_SUBST(CXXFLAGS_TESTLIB) 687 AC_SUBST(CXXFLAGS_TESTEXE) 688 689 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 690 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE $JAVA_BASE_LDFLAGS" 691 692 AC_SUBST(LDFLAGS_TESTLIB) 693 AC_SUBST(LDFLAGS_TESTEXE) 694 695]) 696 697################################################################################ 698# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check 699# conditionals against. 700# $2 - Optional prefix for each variable defined. 701AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER], 702[ 703 # Special extras... 704 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 705 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 706 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 707 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 708 fi 709 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 710 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 711 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 712 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 713 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 714 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 715 $2CXXSTD_CXXFLAG="-std=gnu++98" 716 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror], 717 IF_FALSE: [$2CXXSTD_CXXFLAG=""]) 718 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}" 719 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}" 720 AC_SUBST([$2CXXSTD_CXXFLAG]) 721 fi 722 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 723 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 724 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 725 fi 726 727 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 728 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 729 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 730 fi 731 732 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}" 733 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}" 734 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}" 735 736 ############################################################################### 737 # 738 # Now setup the CFLAGS and LDFLAGS for the JDK build. 739 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 740 # 741 742 # Setup compiler/platform specific flags into 743 # $2CFLAGS_JDK - C Compiler flags 744 # $2CXXFLAGS_JDK - C++ Compiler flags 745 # $2COMMON_CCXXFLAGS_JDK - common to C and C++ 746 if test "x$TOOLCHAIN_TYPE" = xgcc; then 747 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 748 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT" 749 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new" 750 if test "x$OPENJDK_$1_CPU" = xx86; then 751 # Force compatibility with i586 on 32 bit intel platforms. 752 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 753 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 754 fi 755 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 756 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 757 case $OPENJDK_$1_CPU_ARCH in 758 arm ) 759 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 760 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 761 ;; 762 ppc ) 763 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 764 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 765 ;; 766 s390 ) 767 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer -mbackchain -march=z10" 768 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 769 ;; 770 * ) 771 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 772 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 773 ;; 774 esac 775 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2)) 776 elif test "x$TOOLCHAIN_TYPE" = xclang; then 777 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 778 779 # Restrict the debug information created by Clang to avoid 780 # too big object files and speed the build up a little bit 781 # (see http://llvm.org/bugs/show_bug.cgi?id=7554) 782 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info" 783 if test "x$OPENJDK_$1_OS" = xlinux; then 784 if test "x$OPENJDK_$1_CPU" = xx86; then 785 # Force compatibility with i586 on 32 bit intel platforms. 786 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 787 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 788 fi 789 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized" 790 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 791 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 792 case $OPENJDK_$1_CPU_ARCH in 793 ppc ) 794 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 795 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 796 ;; 797 * ) 798 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 799 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 800 ;; 801 esac 802 fi 803 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 804 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS" 805 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 806 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then 807 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB" 808 fi 809 810 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 811 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 812 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 813 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS" 814 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 815 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 816 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 817 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \ 818 -MD -Zc:wchar_t- -W3 -wd4800 \ 819 -DWIN32_LEAN_AND_MEAN \ 820 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 821 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 822 -DWIN32 -DIAL" 823 if test "x$OPENJDK_$1_CPU" = xx86_64; then 824 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 825 else 826 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 827 fi 828 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 829 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 830 # studio. 831 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 832 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 833 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS" 834 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS" 835 fi 836 fi 837 838 ############################################################################### 839 840 # Adjust flags according to debug level. 841 case $DEBUG_LEVEL in 842 fastdebug | slowdebug ) 843 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 844 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 845 ;; 846 release ) 847 ;; 848 * ) 849 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 850 ;; 851 esac 852 853 # Set some common defines. These works for all compilers, but assume 854 # -D is universally accepted. 855 856 # Setup endianness 857 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 858 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 859 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 860 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 861 # Note: -Dmacro is the same as #define macro 1 862 # -Dmacro= is the same as #define macro 863 if test "x$OPENJDK_$1_OS" = xsolaris; then 864 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 865 else 866 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 867 fi 868 else 869 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 870 # are defined in the system? 871 if test "x$OPENJDK_$1_OS" = xsolaris; then 872 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 873 else 874 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 875 fi 876 fi 877 878 # Setup target OS define. Use OS target name but in upper case. 879 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 880 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE" 881 882 # Setup target CPU 883 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 884 $OPENJDK_$1_ADD_LP64 \ 885 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY" 886 887 # Setup debug/release defines 888 if test "x$DEBUG_LEVEL" = xrelease; then 889 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG" 890 if test "x$OPENJDK_$1_OS" = xsolaris; then 891 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED" 892 fi 893 else 894 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG" 895 fi 896 897 # Set some additional per-OS defines. 898 if test "x$OPENJDK_$1_OS" = xlinux; then 899 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX" 900 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe $PICFLAG -fno-rtti -fno-exceptions \ 901 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer" 902 elif test "x$OPENJDK_$1_OS" = xsolaris; then 903 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS" 904 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \ 905 -D_Crun_inline_placement -library=%none $PICFLAG -mt -features=no%except" 906 elif test "x$OPENJDK_$1_OS" = xmacosx; then 907 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 908 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE" 909 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE" 910 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \ 911 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \ 912 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \ 913 -fno-omit-frame-pointer" 914 elif test "x$OPENJDK_$1_OS" = xaix; then 915 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX" 916 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows. 917 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \ 918 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \ 919 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno" 920 elif test "x$OPENJDK_$1_OS" = xbsd; then 921 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 922 elif test "x$OPENJDK_$1_OS" = xwindows; then 923 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_" 924 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP" 925 fi 926 927 # Set some additional per-CPU defines. 928 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then 929 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32" 930 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 931 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc" 932 elif test "x$OPENJDK_$1_CPU" = xppc64; then 933 if test "x$OPENJDK_$1_OS" = xlinux; then 934 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 935 # fixes `relocation truncated to fit' error for gcc 4.1. 936 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc" 937 # Use ppc64 instructions, but schedule for power5 938 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5" 939 elif test "x$OPENJDK_$1_OS" = xaix; then 940 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64" 941 fi 942 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 943 if test "x$OPENJDK_$1_OS" = xlinux; then 944 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 945 # Little endian machine uses ELFv2 ABI. 946 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2" 947 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI. 948 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power8 -mtune=power8" 949 fi 950 elif test "x$OPENJDK_$1_CPU" = xs390x; then 951 if test "x$OPENJDK_$1_OS" = xlinux; then 952 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mbackchain -march=z10" 953 fi 954 fi 955 956 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 957 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN" 958 fi 959 960 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 961 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then 962 # Solaris does not have _LP64=1 in the old build. 963 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it. 964 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1" 965 fi 966 fi 967 968 # Set $2JVM_CFLAGS warning handling 969 if test "x$OPENJDK_$1_OS" = xlinux; then 970 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \ 971 -Wunused-value -Woverloaded-virtual" 972 973 if test "x$TOOLCHAIN_TYPE" = xgcc; then 974 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2, 975 IF_AT_LEAST: [ 976 # These flags either do not work or give spurious warnings prior to gcc 4.8. 977 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized" 978 ] 979 ) 980 fi 981 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 982 # Non-zero builds have stricter warnings 983 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2" 984 else 985 if test "x$TOOLCHAIN_TYPE" = xclang; then 986 # Some versions of llvm do not like -Wundef 987 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef" 988 fi 989 fi 990 elif test "x$OPENJDK_$1_OS" = xmacosx; then 991 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \ 992 -Wsign-compare -Wundef -Wunused-function -Wformat=2" 993 fi 994 995 # Additional macosx handling 996 if test "x$OPENJDK_$1_OS" = xmacosx; then 997 # Setting these parameters makes it an error to link to macosx APIs that are 998 # newer than the given OS version and makes the linked binaries compatible 999 # even if built on a newer version of the OS. 1000 # The expected format is X.Y.Z 1001 MACOSX_VERSION_MIN=10.7.0 1002 AC_SUBST(MACOSX_VERSION_MIN) 1003 1004 # The macro takes the version with no dots, ex: 1070 1005 # Let the flags variables get resolved in make for easier override on make 1006 # command line. 1007 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1008 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1009 fi 1010 1011 # Setup some hard coded includes 1012 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 1013 -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \ 1014 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 1015 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \ 1016 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \ 1017 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 1018 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava" 1019 1020 # The shared libraries are compiled using the picflag. 1021 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1022 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA" 1023 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1024 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA" 1025 1026 # Executable flags 1027 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK" 1028 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK" 1029 1030 AC_SUBST($2CFLAGS_JDKLIB) 1031 AC_SUBST($2CFLAGS_JDKEXE) 1032 AC_SUBST($2CXXFLAGS_JDKLIB) 1033 AC_SUBST($2CXXFLAGS_JDKEXE) 1034 1035 # Setup LDFLAGS et al. 1036 # 1037 1038 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1039 LDFLAGS_MICROSOFT="-nologo -opt:ref" 1040 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no" 1041 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000" 1042 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then 1043 LDFLAGS_SAFESH="-safeseh" 1044 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH" 1045 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH" 1046 # NOTE: Old build added -machine. Probably not needed. 1047 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386" 1048 else 1049 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64" 1050 fi 1051 elif test "x$TOOLCHAIN_TYPE" = xclang; then 1052 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC" 1053 if test "x$OPENJDK_$1_OS" = xmacosx; then 1054 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. 1055 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1056 fi 1057 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 1058 # If this is a --hash-style=gnu system, use --hash-style=both, why? 1059 # We have previously set HAS_GNU_HASH if this is the case 1060 if test -n "$HAS_GNU_HASH"; then 1061 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both" 1062 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE" 1063 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE" 1064 fi 1065 if test "x$OPENJDK_$1_OS" = xmacosx; then 1066 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1067 fi 1068 if test "x$OPENJDK_$1_OS" = xlinux; then 1069 # And since we now know that the linker is gnu, then add -z defs, to forbid 1070 # undefined symbols in object files. 1071 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs" 1072 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM" 1073 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM" 1074 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack" 1075 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK" 1076 if test "x$OPENJDK_$1_CPU" = xx86; then 1077 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586" 1078 fi 1079 case $DEBUG_LEVEL in 1080 release ) 1081 # tell linker to optimize libraries. 1082 # Should this be supplied to the OSS linker as well? 1083 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1" 1084 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release" 1085 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release" 1086 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1087 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1088 fi 1089 ;; 1090 slowdebug ) 1091 # Hotspot always let the linker optimize 1092 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1093 if test "x$HAS_LINKER_NOW" = "xtrue"; then 1094 # do relocations at load 1095 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG" 1096 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 1097 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG" 1098 fi 1099 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1100 # mark relocations read only 1101 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1102 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1103 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1104 fi 1105 ;; 1106 fastdebug ) 1107 # Hotspot always let the linker optimize 1108 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1109 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1110 # mark relocations read only 1111 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1112 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1113 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1114 fi 1115 ;; 1116 * ) 1117 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 1118 ;; 1119 esac 1120 fi 1121 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1122 LDFLAGS_SOLSTUDIO="-Wl,-z,defs" 1123 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext" 1124 LDFLAGS_CXX_SOLSTUDIO="-norunpath" 1125 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib" 1126 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion" 1127 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 1128 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc" 1129 fi 1130 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 1131 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok" 1132 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC" 1133 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC" 1134 fi 1135 1136 # Customize LDFLAGS for executables 1137 1138 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}" 1139 1140 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1141 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then 1142 LDFLAGS_STACK_SIZE=1048576 1143 else 1144 LDFLAGS_STACK_SIZE=327680 1145 fi 1146 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 1147 elif test "x$OPENJDK_$1_OS" = xlinux; then 1148 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 1149 fi 1150 1151 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}" 1152 1153 # Customize LDFLAGS for libs 1154 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}" 1155 1156 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 1157 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1158 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1159 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 1160 $2JDKLIB_LIBS="" 1161 else 1162 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1163 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)" 1164 1165 if test "x$1" = "xTARGET"; then 1166 # On some platforms (mac) the linker warns about non existing -L dirs. 1167 # For any of the variants server, client or minimal, the dir matches the 1168 # variant name. The "main" variant should be used for linking. For the 1169 # rest, the dir is just server. 1170 if HOTSPOT_CHECK_JVM_VARIANT(server) || HOTSPOT_CHECK_JVM_VARIANT(client) \ 1171 || HOTSPOT_CHECK_JVM_VARIANT(minimal); then 1172 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1173 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/$JVM_VARIANT_MAIN" 1174 else 1175 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1176 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1177 fi 1178 elif test "x$1" = "xBUILD"; then 1179 # When building a buildjdk, it's always only the server variant 1180 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1181 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1182 fi 1183 1184 $2JDKLIB_LIBS="-ljava -ljvm" 1185 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1186 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc" 1187 fi 1188 1189 fi 1190 1191$2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}" 1192 1193 # Set $2JVM_LIBS (per os) 1194 if test "x$OPENJDK_$1_OS" = xlinux; then 1195 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread" 1196 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1197 # FIXME: This hard-coded path is not really proper. 1198 if test "x$OPENJDK_$1_CPU" = xx86_64; then 1199 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1" 1200 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1201 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1" 1202 fi 1203 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \ 1204 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt" 1205 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1206 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1207 elif test "x$OPENJDK_$1_OS" = xaix; then 1208 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread" 1209 elif test "x$OPENJDK_$1_OS" = xbsd; then 1210 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1211 elif test "x$OPENJDK_$1_OS" = xwindows; then 1212 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \ 1213 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \ 1214 wsock32.lib winmm.lib version.lib psapi.lib" 1215 fi 1216 1217 # Set $2JVM_ASFLAGS 1218 if test "x$OPENJDK_$1_OS" = xlinux; then 1219 if test "x$OPENJDK_$1_CPU" = xx86; then 1220 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586" 1221 fi 1222 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1223 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16" 1224 fi 1225 1226 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}" 1227 1228 AC_SUBST($2LDFLAGS_JDKLIB) 1229 AC_SUBST($2LDFLAGS_JDKEXE) 1230 AC_SUBST($2JDKLIB_LIBS) 1231 AC_SUBST($2JDKEXE_LIBS) 1232 AC_SUBST($2LDFLAGS_CXX_JDK) 1233 AC_SUBST($2LDFLAGS_HASH_STYLE) 1234 1235 AC_SUBST($2JVM_CFLAGS) 1236 AC_SUBST($2JVM_LDFLAGS) 1237 AC_SUBST($2JVM_ASFLAGS) 1238 AC_SUBST($2JVM_LIBS) 1239 1240]) 1241 1242# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1243# IF_FALSE: [RUN-IF-FALSE]) 1244# ------------------------------------------------------------ 1245# Check that the C compiler supports an argument 1246BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 1247 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1248[ 1249 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"]) 1250 supports=yes 1251 1252 saved_cflags="$CFLAGS" 1253 CFLAGS="$CFLAGS ARG_ARGUMENT" 1254 AC_LANG_PUSH([C]) 1255 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1256 [supports=no]) 1257 AC_LANG_POP([C]) 1258 CFLAGS="$saved_cflags" 1259 1260 AC_MSG_RESULT([$supports]) 1261 if test "x$supports" = "xyes" ; then 1262 : 1263 ARG_IF_TRUE 1264 else 1265 : 1266 ARG_IF_FALSE 1267 fi 1268]) 1269 1270# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1271# IF_FALSE: [RUN-IF-FALSE]) 1272# ------------------------------------------------------------ 1273# Check that the C++ compiler supports an argument 1274BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 1275 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1276[ 1277 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"]) 1278 supports=yes 1279 1280 saved_cxxflags="$CXXFLAGS" 1281 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 1282 AC_LANG_PUSH([C++]) 1283 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1284 [supports=no]) 1285 AC_LANG_POP([C++]) 1286 CXXFLAGS="$saved_cxxflags" 1287 1288 AC_MSG_RESULT([$supports]) 1289 if test "x$supports" = "xyes" ; then 1290 : 1291 ARG_IF_TRUE 1292 else 1293 : 1294 ARG_IF_FALSE 1295 fi 1296]) 1297 1298# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1299# IF_FALSE: [RUN-IF-FALSE]) 1300# ------------------------------------------------------------ 1301# Check that the C and C++ compilers support an argument 1302BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 1303 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1304[ 1305 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1306 IF_TRUE: [C_COMP_SUPPORTS="yes"], 1307 IF_FALSE: [C_COMP_SUPPORTS="no"]) 1308 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1309 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 1310 IF_FALSE: [CXX_COMP_SUPPORTS="no"]) 1311 1312 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"]) 1313 supports=no 1314 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi 1315 1316 AC_MSG_RESULT([$supports]) 1317 if test "x$supports" = "xyes" ; then 1318 : 1319 ARG_IF_TRUE 1320 else 1321 : 1322 ARG_IF_FALSE 1323 fi 1324]) 1325 1326# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1327# IF_FALSE: [RUN-IF-FALSE]) 1328# ------------------------------------------------------------ 1329# Check that the linker support an argument 1330BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 1331 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1332[ 1333 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 1334 supports=yes 1335 1336 saved_ldflags="$LDFLAGS" 1337 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 1338 AC_LANG_PUSH([C]) 1339 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 1340 [], [supports=no]) 1341 AC_LANG_POP([C]) 1342 LDFLAGS="$saved_ldflags" 1343 1344 AC_MSG_RESULT([$supports]) 1345 if test "x$supports" = "xyes" ; then 1346 : 1347 ARG_IF_TRUE 1348 else 1349 : 1350 ARG_IF_FALSE 1351 fi 1352]) 1353 1354AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 1355[ 1356 # Some Zero and Shark settings. 1357 # ZERO_ARCHFLAG tells the compiler which mode to build for 1358 case "${OPENJDK_TARGET_CPU}" in 1359 s390) 1360 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 1361 ;; 1362 *) 1363 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 1364 esac 1365 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 1366 AC_SUBST(ZERO_ARCHFLAG) 1367 1368 # Check that the compiler supports -mX (or -qX on AIX) flags 1369 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 1370 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 1371 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 1372 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 1373 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 1374 1375 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 1376 [do not consider native warnings to be an error @<:@enabled@:>@])]) 1377 1378 AC_MSG_CHECKING([if native warnings are errors]) 1379 if test "x$enable_warnings_as_errors" = "xyes"; then 1380 AC_MSG_RESULT([yes (explicitly set)]) 1381 WARNINGS_AS_ERRORS=true 1382 elif test "x$enable_warnings_as_errors" = "xno"; then 1383 AC_MSG_RESULT([no]) 1384 WARNINGS_AS_ERRORS=false 1385 elif test "x$enable_warnings_as_errors" = "x"; then 1386 AC_MSG_RESULT([yes (default)]) 1387 WARNINGS_AS_ERRORS=true 1388 else 1389 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 1390 fi 1391 1392 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1393 # Set legacy hotspot variable 1394 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1395 else 1396 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1397 fi 1398 1399 AC_SUBST(WARNINGS_AS_ERRORS) 1400 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1401 1402 case "${TOOLCHAIN_TYPE}" in 1403 microsoft) 1404 DISABLE_WARNING_PREFIX="-wd" 1405 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1406 ;; 1407 solstudio) 1408 DISABLE_WARNING_PREFIX="-erroff=" 1409 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1410 ;; 1411 gcc) 1412 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1413 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1414 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1415 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1416 ) 1417 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1418 DISABLE_WARNING_PREFIX="-Wno-" 1419 else 1420 DISABLE_WARNING_PREFIX= 1421 fi 1422 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1423 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset 1424 # CFLAGS since any target specific flags will likely not work with the 1425 # build compiler 1426 CC_OLD="$CC" 1427 CXX_OLD="$CXX" 1428 CC="$BUILD_CC" 1429 CXX="$BUILD_CXX" 1430 CFLAGS_OLD="$CFLAGS" 1431 CFLAGS="" 1432 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1433 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1434 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1435 ) 1436 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1437 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1438 else 1439 BUILD_CC_DISABLE_WARNING_PREFIX= 1440 fi 1441 CC="$CC_OLD" 1442 CXX="$CXX_OLD" 1443 CFLAGS="$CFLAGS_OLD" 1444 ;; 1445 clang) 1446 DISABLE_WARNING_PREFIX="-Wno-" 1447 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1448 ;; 1449 xlc) 1450 DISABLE_WARNING_PREFIX="-qsuppress=" 1451 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w" 1452 ;; 1453 esac 1454 AC_SUBST(DISABLE_WARNING_PREFIX) 1455 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX) 1456 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1457]) 1458 1459# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX]) 1460# Arguments: 1461# $1 - Optional prefix for each variable defined. 1462AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS], 1463[ 1464 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code 1465 # runs afoul of the more aggressive versions of these optimisations. 1466 # Notably, value range propagation now assumes that the this pointer of C++ 1467 # member functions is non-null. 1468 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" 1469 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1470 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], 1471 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) 1472 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" 1473 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1474 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror], 1475 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""]) 1476 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}]) 1477 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1478 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1479]) 1480