flags.m4 revision 2311:1fc62b1c629f
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 PICFLAG="-KPIC" 315 C_FLAG_REORDER='-xF' 316 CXX_FLAG_REORDER='-xF' 317 SHARED_LIBRARY_FLAGS="-G" 318 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 319 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 320 SET_SHARED_LIBRARY_NAME='-h [$]1' 321 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 322 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 323 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only 324 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker 325 # will have to patch this single instruction with a call to some out-of-order code which 326 # does the load from the TOC. This is of course slow. But in that case we also would have 327 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'. 328 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which 329 # can be patched directly by the linker and does not require a jump to out-of-order code. 330 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc' 331 # instead. This creates a distinct TOC for every compilation unit (and thus requires two 332 # loads for accessing a global variable). But there are rumors that this may be seen as a 333 # 'performance feature' because of improved code locality of the symbols used in a 334 # compilation unit. 335 PICFLAG="-qpic" 336 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 337 C_FLAG_REORDER='' 338 CXX_FLAG_REORDER='' 339 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry" 340 SET_EXECUTABLE_ORIGIN="" 341 SET_SHARED_LIBRARY_ORIGIN='' 342 SET_SHARED_LIBRARY_NAME='' 343 SET_SHARED_LIBRARY_MAPFILE='' 344 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 345 PICFLAG="" 346 C_FLAG_REORDER='' 347 CXX_FLAG_REORDER='' 348 SHARED_LIBRARY_FLAGS="-dll" 349 SET_EXECUTABLE_ORIGIN='' 350 SET_SHARED_LIBRARY_ORIGIN='' 351 SET_SHARED_LIBRARY_NAME='' 352 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1' 353 fi 354 355 AC_SUBST(C_FLAG_REORDER) 356 AC_SUBST(CXX_FLAG_REORDER) 357 AC_SUBST(SET_EXECUTABLE_ORIGIN) 358 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 359 AC_SUBST(SET_SHARED_LIBRARY_NAME) 360 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 361 AC_SUBST(SHARED_LIBRARY_FLAGS) 362 363 # The (cross) compiler is now configured, we can now test capabilities 364 # of the target platform. 365]) 366 367# Documentation on common flags used for solstudio in HIGHEST. 368# 369# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 370# done with care, there are some assumptions below that need to 371# be understood about the use of pointers, and IEEE behavior. 372# 373# -fns: Use non-standard floating point mode (not IEEE 754) 374# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 375# -fsingle: Use single precision floating point with 'float' 376# -xalias_level=basic: Assume memory references via basic pointer types do not alias 377# (Source with excessing pointer casting and data access with mixed 378# pointer types are not recommended) 379# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 380# (If you expect perfect errno behavior, do not use this) 381# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 382# -xrestrict: Pointer parameters to functions do not overlap 383# (Similar to -xalias_level=basic usage, but less obvious sometimes. 384# If you pass in multiple pointers to the same data, do not use this) 385# -xlibmil: Inline some library routines 386# (If you expect perfect errno behavior, do not use this) 387# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 388# (If you expect perfect errno behavior, do not use this) 389# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 390 391 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 392 # Bug? 393 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 394 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 395 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 396 #fi 397 398AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 399[ 400 401 ############################################################################### 402 # 403 # Setup the opt flags for different compilers 404 # and different operating systems. 405 # 406 407 # FIXME: this was indirectly the old default, but just inherited. 408 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 409 # C_FLAG_DEPS="-MMD -MF" 410 # fi 411 412 # Generate make dependency files 413 if test "x$TOOLCHAIN_TYPE" = xgcc; then 414 C_FLAG_DEPS="-MMD -MF" 415 elif test "x$TOOLCHAIN_TYPE" = xclang; then 416 C_FLAG_DEPS="-MMD -MF" 417 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 418 C_FLAG_DEPS="-xMMD -xMF" 419 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 420 C_FLAG_DEPS="-qmakedep=gcc -MF" 421 fi 422 CXX_FLAG_DEPS="$C_FLAG_DEPS" 423 AC_SUBST(C_FLAG_DEPS) 424 AC_SUBST(CXX_FLAG_DEPS) 425 426 # Debug symbols 427 if test "x$TOOLCHAIN_TYPE" = xgcc; then 428 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 429 # reduce from default "-g2" option to save space 430 CFLAGS_DEBUG_SYMBOLS="-g1" 431 CXXFLAGS_DEBUG_SYMBOLS="-g1" 432 else 433 CFLAGS_DEBUG_SYMBOLS="-g" 434 CXXFLAGS_DEBUG_SYMBOLS="-g" 435 fi 436 elif test "x$TOOLCHAIN_TYPE" = xclang; then 437 CFLAGS_DEBUG_SYMBOLS="-g" 438 CXXFLAGS_DEBUG_SYMBOLS="-g" 439 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 440 CFLAGS_DEBUG_SYMBOLS="-g -xs" 441 # -g0 enables debug symbols without disabling inlining. 442 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 443 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 444 CFLAGS_DEBUG_SYMBOLS="-g" 445 CXXFLAGS_DEBUG_SYMBOLS="-g" 446 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 447 CFLAGS_DEBUG_SYMBOLS="-Zi" 448 CXXFLAGS_DEBUG_SYMBOLS="-Zi" 449 fi 450 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 451 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 452 453 # Debug symbols for JVM_CFLAGS 454 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 455 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs" 456 if test "x$DEBUG_LEVEL" = xslowdebug; then 457 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 458 else 459 # -g0 does not disable inlining, which -g does. 460 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0" 461 fi 462 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 463 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+" 464 else 465 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 466 fi 467 AC_SUBST(JVM_CFLAGS_SYMBOLS) 468 469 # bounds, memory and behavior checking options 470 if test "x$TOOLCHAIN_TYPE" = xgcc; then 471 case $DEBUG_LEVEL in 472 release ) 473 # no adjustment 474 ;; 475 fastdebug ) 476 # no adjustment 477 ;; 478 slowdebug ) 479 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it 480 # get's added conditionally on whether we produce debug symbols or not. 481 # This is most likely not really correct. 482 483 # Add runtime stack smashing and undefined behavior checks. 484 # Not all versions of gcc support -fstack-protector 485 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 486 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""]) 487 488 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 489 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 490 if test "x$STACK_PROTECTOR_CFLAG" != x; then 491 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 492 fi 493 ;; 494 esac 495 fi 496 497 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 498 if test "x$DEBUG_LEVEL" != xrelease; then 499 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 500 JVM_CFLAGS="$JVM_CFLAGS -homeparams" 501 fi 502 fi 503 fi 504 505 # Optimization levels 506 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 507 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 508 509 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 510 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 511 C_O_FLAG_HIGHEST_JVM="-xO4" 512 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 513 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 514 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 515 C_O_FLAG_DEBUG="-xregs=no%frameptr" 516 C_O_FLAG_DEBUG_JVM="" 517 C_O_FLAG_NONE="-xregs=no%frameptr" 518 CXX_O_FLAG_HIGHEST_JVM="-xO4" 519 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 520 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 521 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 522 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 523 CXX_O_FLAG_DEBUG_JVM="" 524 CXX_O_FLAG_NONE="-xregs=no%frameptr" 525 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 526 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 527 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 528 fi 529 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 530 C_O_FLAG_HIGHEST_JVM="-xO4" 531 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 532 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 533 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 534 C_O_FLAG_DEBUG="" 535 C_O_FLAG_DEBUG_JVM="" 536 C_O_FLAG_NONE="" 537 CXX_O_FLAG_HIGHEST_JVM="-xO4" 538 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 539 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 540 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 541 CXX_O_FLAG_DEBUG="" 542 CXX_O_FLAG_DEBUG_JVM="" 543 CXX_O_FLAG_NONE="" 544 fi 545 else 546 # The remaining toolchains share opt flags between CC and CXX; 547 # setup for C and duplicate afterwards. 548 if test "x$TOOLCHAIN_TYPE" = xgcc; then 549 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 550 # On MacOSX we optimize for size, something 551 # we should do for all platforms? 552 C_O_FLAG_HIGHEST_JVM="-Os" 553 C_O_FLAG_HIGHEST="-Os" 554 C_O_FLAG_HI="-Os" 555 C_O_FLAG_NORM="-Os" 556 C_O_FLAG_SIZE="-Os" 557 else 558 C_O_FLAG_HIGHEST_JVM="-O3" 559 C_O_FLAG_HIGHEST="-O3" 560 C_O_FLAG_HI="-O3" 561 C_O_FLAG_NORM="-O2" 562 C_O_FLAG_SIZE="-Os" 563 fi 564 C_O_FLAG_DEBUG="-O0" 565 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 566 C_O_FLAG_DEBUG_JVM="" 567 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 568 C_O_FLAG_DEBUG_JVM="-O0" 569 fi 570 C_O_FLAG_NONE="-O0" 571 elif test "x$TOOLCHAIN_TYPE" = xclang; then 572 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 573 # On MacOSX we optimize for size, something 574 # we should do for all platforms? 575 C_O_FLAG_HIGHEST_JVM="-Os" 576 C_O_FLAG_HIGHEST="-Os" 577 C_O_FLAG_HI="-Os" 578 C_O_FLAG_NORM="-Os" 579 C_O_FLAG_SIZE="-Os" 580 else 581 C_O_FLAG_HIGHEST_JVM="-O3" 582 C_O_FLAG_HIGHEST="-O3" 583 C_O_FLAG_HI="-O3" 584 C_O_FLAG_NORM="-O2" 585 C_O_FLAG_SIZE="-Os" 586 fi 587 C_O_FLAG_DEBUG="-O0" 588 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 589 C_O_FLAG_DEBUG_JVM="" 590 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 591 C_O_FLAG_DEBUG_JVM="-O0" 592 fi 593 C_O_FLAG_NONE="-O0" 594 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 595 C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue" 596 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue" 597 C_O_FLAG_HI="-O3 -qinline -qinlglue" 598 C_O_FLAG_NORM="-O2" 599 C_O_FLAG_DEBUG="-qnoopt" 600 # FIXME: Value below not verified. 601 C_O_FLAG_DEBUG_JVM="" 602 C_O_FLAG_NONE="-qnoopt" 603 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 604 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-" 605 C_O_FLAG_HIGHEST="-O2" 606 C_O_FLAG_HI="-O1" 607 C_O_FLAG_NORM="-O1" 608 C_O_FLAG_DEBUG="-Od" 609 C_O_FLAG_DEBUG_JVM="" 610 C_O_FLAG_NONE="-Od" 611 C_O_FLAG_SIZE="-Os" 612 fi 613 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM" 614 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 615 CXX_O_FLAG_HI="$C_O_FLAG_HI" 616 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 617 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 618 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM" 619 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 620 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE" 621 fi 622 623 # Adjust optimization flags according to debug level. 624 case $DEBUG_LEVEL in 625 release ) 626 # no adjustment 627 ;; 628 fastdebug ) 629 # Not quite so much optimization 630 C_O_FLAG_HI="$C_O_FLAG_NORM" 631 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 632 ;; 633 slowdebug ) 634 # Disable optimization 635 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM" 636 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 637 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 638 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 639 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG" 640 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM" 641 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 642 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 643 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 644 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG" 645 ;; 646 esac 647 648 AC_SUBST(C_O_FLAG_HIGHEST_JVM) 649 AC_SUBST(C_O_FLAG_HIGHEST) 650 AC_SUBST(C_O_FLAG_HI) 651 AC_SUBST(C_O_FLAG_NORM) 652 AC_SUBST(C_O_FLAG_DEBUG) 653 AC_SUBST(C_O_FLAG_NONE) 654 AC_SUBST(C_O_FLAG_SIZE) 655 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM) 656 AC_SUBST(CXX_O_FLAG_HIGHEST) 657 AC_SUBST(CXX_O_FLAG_HI) 658 AC_SUBST(CXX_O_FLAG_NORM) 659 AC_SUBST(CXX_O_FLAG_DEBUG) 660 AC_SUBST(CXX_O_FLAG_NONE) 661 AC_SUBST(CXX_O_FLAG_SIZE) 662]) 663 664 665AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 666[ 667 668 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET]) 669 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_]) 670 671 # Tests are only ever compiled for TARGET 672 # Flags for compiling test libraries 673 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 674 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 675 676 # Flags for compiling test executables 677 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 678 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 679 680 AC_SUBST(CFLAGS_TESTLIB) 681 AC_SUBST(CFLAGS_TESTEXE) 682 AC_SUBST(CXXFLAGS_TESTLIB) 683 AC_SUBST(CXXFLAGS_TESTEXE) 684 685 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 686 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE $JAVA_BASE_LDFLAGS" 687 688 AC_SUBST(LDFLAGS_TESTLIB) 689 AC_SUBST(LDFLAGS_TESTEXE) 690 691]) 692 693################################################################################ 694# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check 695# conditionals against. 696# $2 - Optional prefix for each variable defined. 697AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER], 698[ 699 # Special extras... 700 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 701 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 702 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 703 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 704 fi 705 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 706 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 707 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 708 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 709 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 710 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 711 $2CXXSTD_CXXFLAG="-std=gnu++98" 712 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror], 713 IF_FALSE: [$2CXXSTD_CXXFLAG=""]) 714 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}" 715 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}" 716 AC_SUBST([$2CXXSTD_CXXFLAG]) 717 fi 718 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 719 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 720 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 721 fi 722 723 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 724 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 725 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 726 fi 727 728 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}" 729 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}" 730 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}" 731 732 ############################################################################### 733 # 734 # Now setup the CFLAGS and LDFLAGS for the JDK build. 735 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 736 # 737 738 # Setup compiler/platform specific flags into 739 # $2CFLAGS_JDK - C Compiler flags 740 # $2CXXFLAGS_JDK - C++ Compiler flags 741 # $2COMMON_CCXXFLAGS_JDK - common to C and C++ 742 if test "x$TOOLCHAIN_TYPE" = xgcc; then 743 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 744 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT" 745 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new" 746 if test "x$OPENJDK_$1_CPU" = xx86; then 747 # Force compatibility with i586 on 32 bit intel platforms. 748 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 749 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 750 fi 751 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 752 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 753 case $OPENJDK_$1_CPU_ARCH in 754 arm ) 755 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 756 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 757 ;; 758 ppc ) 759 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 760 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 761 ;; 762 s390 ) 763 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer -mbackchain -march=z10" 764 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 765 ;; 766 * ) 767 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 768 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 769 ;; 770 esac 771 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2)) 772 elif test "x$TOOLCHAIN_TYPE" = xclang; then 773 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 774 775 # Restrict the debug information created by Clang to avoid 776 # too big object files and speed the build up a little bit 777 # (see http://llvm.org/bugs/show_bug.cgi?id=7554) 778 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info" 779 if test "x$OPENJDK_$1_OS" = xlinux; then 780 if test "x$OPENJDK_$1_CPU" = xx86; then 781 # Force compatibility with i586 on 32 bit intel platforms. 782 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 783 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 784 fi 785 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized" 786 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 787 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 788 case $OPENJDK_$1_CPU_ARCH in 789 ppc ) 790 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 791 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 792 ;; 793 * ) 794 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 795 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 796 ;; 797 esac 798 fi 799 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 800 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS" 801 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 802 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then 803 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB" 804 fi 805 806 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 807 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 808 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 809 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS" 810 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 811 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 812 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 813 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \ 814 -MD -Zc:wchar_t- -W3 -wd4800 \ 815 -DWIN32_LEAN_AND_MEAN \ 816 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 817 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 818 -DWIN32 -DIAL" 819 if test "x$OPENJDK_$1_CPU" = xx86_64; then 820 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 821 else 822 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 823 fi 824 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 825 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 826 # studio. 827 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 828 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 829 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS" 830 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS" 831 fi 832 fi 833 834 ############################################################################### 835 836 # Adjust flags according to debug level. 837 case $DEBUG_LEVEL in 838 fastdebug | slowdebug ) 839 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 840 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 841 JAVAC_FLAGS="$JAVAC_FLAGS -g" 842 ;; 843 release ) 844 ;; 845 * ) 846 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 847 ;; 848 esac 849 850 # Set some common defines. These works for all compilers, but assume 851 # -D is universally accepted. 852 853 # Setup endianness 854 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 855 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 856 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 857 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 858 # Note: -Dmacro is the same as #define macro 1 859 # -Dmacro= is the same as #define macro 860 if test "x$OPENJDK_$1_OS" = xsolaris; then 861 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 862 else 863 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 864 fi 865 else 866 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 867 # are defined in the system? 868 if test "x$OPENJDK_$1_OS" = xsolaris; then 869 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 870 else 871 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 872 fi 873 fi 874 875 # Setup target OS define. Use OS target name but in upper case. 876 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 877 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE" 878 879 # Setup target CPU 880 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 881 $OPENJDK_$1_ADD_LP64 \ 882 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY" 883 884 # Setup debug/release defines 885 if test "x$DEBUG_LEVEL" = xrelease; then 886 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG" 887 if test "x$OPENJDK_$1_OS" = xsolaris; then 888 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED" 889 fi 890 else 891 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG" 892 fi 893 894 # Set some additional per-OS defines. 895 if test "x$OPENJDK_$1_OS" = xlinux; then 896 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX" 897 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe -fPIC -fno-rtti -fno-exceptions \ 898 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer" 899 elif test "x$OPENJDK_$1_OS" = xsolaris; then 900 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS" 901 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \ 902 -D_Crun_inline_placement -library=%none -KPIC -mt -features=no%except" 903 elif test "x$OPENJDK_$1_OS" = xmacosx; then 904 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 905 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE" 906 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE" 907 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \ 908 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \ 909 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \ 910 -fno-omit-frame-pointer" 911 elif test "x$OPENJDK_$1_OS" = xaix; then 912 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX" 913 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows. 914 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \ 915 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \ 916 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno" 917 elif test "x$OPENJDK_$1_OS" = xbsd; then 918 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 919 elif test "x$OPENJDK_$1_OS" = xwindows; then 920 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_" 921 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP" 922 fi 923 924 # Set some additional per-CPU defines. 925 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then 926 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32" 927 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 928 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc" 929 elif test "x$OPENJDK_$1_CPU" = xppc64; then 930 if test "x$OPENJDK_$1_OS" = xlinux; then 931 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 932 # fixes `relocation truncated to fit' error for gcc 4.1. 933 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc" 934 # Use ppc64 instructions, but schedule for power5 935 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5" 936 elif test "x$OPENJDK_$1_OS" = xaix; then 937 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64" 938 fi 939 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 940 if test "x$OPENJDK_$1_OS" = xlinux; then 941 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 942 # Little endian machine uses ELFv2 ABI. 943 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2" 944 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI. 945 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power7 -mtune=power8" 946 fi 947 elif test "x$OPENJDK_$1_CPU" = xs390x; then 948 if test "x$OPENJDK_$1_OS" = xlinux; then 949 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mbackchain -march=z10" 950 fi 951 fi 952 953 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 954 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN" 955 fi 956 957 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 958 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then 959 # Solaris does not have _LP64=1 in the old build. 960 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it. 961 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1" 962 fi 963 fi 964 965 # Set $2JVM_CFLAGS warning handling 966 if test "x$OPENJDK_$1_OS" = xlinux; then 967 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \ 968 -Wunused-value -Woverloaded-virtual" 969 970 if test "x$TOOLCHAIN_TYPE" = xgcc; then 971 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2, 972 IF_AT_LEAST: [ 973 # These flags either do not work or give spurious warnings prior to gcc 4.8. 974 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized" 975 ] 976 ) 977 fi 978 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 979 # Non-zero builds have stricter warnings 980 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2" 981 else 982 if test "x$TOOLCHAIN_TYPE" = xclang; then 983 # Some versions of llvm do not like -Wundef 984 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef" 985 fi 986 fi 987 elif test "x$OPENJDK_$1_OS" = xmacosx; then 988 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \ 989 -Wsign-compare -Wundef -Wunused-function -Wformat=2" 990 fi 991 992 # Additional macosx handling 993 if test "x$OPENJDK_$1_OS" = xmacosx; then 994 # Setting these parameters makes it an error to link to macosx APIs that are 995 # newer than the given OS version and makes the linked binaries compatible 996 # even if built on a newer version of the OS. 997 # The expected format is X.Y.Z 998 MACOSX_VERSION_MIN=10.7.0 999 AC_SUBST(MACOSX_VERSION_MIN) 1000 1001 # The macro takes the version with no dots, ex: 1070 1002 # Let the flags variables get resolved in make for easier override on make 1003 # command line. 1004 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1005 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1006 fi 1007 1008 # Setup some hard coded includes 1009 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 1010 -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \ 1011 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 1012 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \ 1013 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \ 1014 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 1015 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava" 1016 1017 # The shared libraries are compiled using the picflag. 1018 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1019 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA" 1020 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1021 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA" 1022 1023 # Executable flags 1024 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK" 1025 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK" 1026 1027 AC_SUBST($2CFLAGS_JDKLIB) 1028 AC_SUBST($2CFLAGS_JDKEXE) 1029 AC_SUBST($2CXXFLAGS_JDKLIB) 1030 AC_SUBST($2CXXFLAGS_JDKEXE) 1031 1032 # Setup LDFLAGS et al. 1033 # 1034 1035 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1036 LDFLAGS_MICROSOFT="-nologo -opt:ref" 1037 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no" 1038 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000" 1039 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then 1040 LDFLAGS_SAFESH="-safeseh" 1041 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH" 1042 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH" 1043 # NOTE: Old build added -machine. Probably not needed. 1044 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386" 1045 else 1046 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64" 1047 fi 1048 elif test "x$TOOLCHAIN_TYPE" = xclang; then 1049 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC" 1050 if test "x$OPENJDK_$1_OS" = xmacosx; then 1051 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. 1052 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1053 fi 1054 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 1055 # If this is a --hash-style=gnu system, use --hash-style=both, why? 1056 # We have previously set HAS_GNU_HASH if this is the case 1057 if test -n "$HAS_GNU_HASH"; then 1058 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both" 1059 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE" 1060 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE" 1061 fi 1062 if test "x$OPENJDK_$1_OS" = xmacosx; then 1063 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1064 fi 1065 if test "x$OPENJDK_$1_OS" = xlinux; then 1066 # And since we now know that the linker is gnu, then add -z defs, to forbid 1067 # undefined symbols in object files. 1068 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs" 1069 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM" 1070 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM" 1071 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack" 1072 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK" 1073 if test "x$OPENJDK_$1_CPU" = xx86; then 1074 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586" 1075 fi 1076 case $DEBUG_LEVEL in 1077 release ) 1078 # tell linker to optimize libraries. 1079 # Should this be supplied to the OSS linker as well? 1080 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1" 1081 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release" 1082 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release" 1083 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1084 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1085 fi 1086 ;; 1087 slowdebug ) 1088 # Hotspot always let the linker optimize 1089 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1090 if test "x$HAS_LINKER_NOW" = "xtrue"; then 1091 # do relocations at load 1092 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG" 1093 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 1094 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG" 1095 fi 1096 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1097 # mark relocations read only 1098 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1099 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1100 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1101 fi 1102 ;; 1103 fastdebug ) 1104 # Hotspot always let the linker optimize 1105 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1106 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1107 # mark relocations read only 1108 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1109 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1110 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1111 fi 1112 ;; 1113 * ) 1114 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 1115 ;; 1116 esac 1117 fi 1118 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1119 LDFLAGS_SOLSTUDIO="-Wl,-z,defs" 1120 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext" 1121 LDFLAGS_CXX_SOLSTUDIO="-norunpath" 1122 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib" 1123 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion" 1124 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 1125 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc" 1126 fi 1127 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 1128 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok" 1129 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC" 1130 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC" 1131 fi 1132 1133 # Customize LDFLAGS for executables 1134 1135 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}" 1136 1137 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1138 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then 1139 LDFLAGS_STACK_SIZE=1048576 1140 else 1141 LDFLAGS_STACK_SIZE=327680 1142 fi 1143 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 1144 elif test "x$OPENJDK_$1_OS" = xlinux; then 1145 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 1146 fi 1147 1148 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}" 1149 1150 # Customize LDFLAGS for libs 1151 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}" 1152 1153 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 1154 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1155 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1156 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 1157 $2JDKLIB_LIBS="" 1158 else 1159 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1160 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)" 1161 1162 if test "x$1" = "xTARGET"; then 1163 # On some platforms (mac) the linker warns about non existing -L dirs. 1164 # Add server first if available. Linking aginst client does not always produce the same results. 1165 # Only add client/minimal dir if client/minimal is being built. 1166 # Default to server for other variants. 1167 if HOTSPOT_CHECK_JVM_VARIANT(server); then 1168 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1169 elif HOTSPOT_CHECK_JVM_VARIANT(client); then 1170 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/client" 1171 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then 1172 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/minimal" 1173 else 1174 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1175 fi 1176 elif test "x$1" = "xBUILD"; then 1177 # When building a buildjdk, it's always only the server variant 1178 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1179 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1180 fi 1181 1182 $2JDKLIB_LIBS="-ljava -ljvm" 1183 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1184 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc" 1185 fi 1186 1187 fi 1188 1189$2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}" 1190 1191 # Set $2JVM_LIBS (per os) 1192 if test "x$OPENJDK_$1_OS" = xlinux; then 1193 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread" 1194 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1195 # FIXME: This hard-coded path is not really proper. 1196 if test "x$OPENJDK_$1_CPU" = xx86_64; then 1197 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1" 1198 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1199 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1" 1200 fi 1201 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \ 1202 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt" 1203 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1204 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1205 elif test "x$OPENJDK_$1_OS" = xaix; then 1206 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread" 1207 elif test "x$OPENJDK_$1_OS" = xbsd; then 1208 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1209 elif test "x$OPENJDK_$1_OS" = xwindows; then 1210 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \ 1211 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \ 1212 wsock32.lib winmm.lib version.lib psapi.lib" 1213 fi 1214 1215 # Set $2JVM_ASFLAGS 1216 if test "x$OPENJDK_$1_OS" = xlinux; then 1217 if test "x$OPENJDK_$1_CPU" = xx86; then 1218 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586" 1219 fi 1220 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1221 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16" 1222 fi 1223 1224 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}" 1225 1226 AC_SUBST($2LDFLAGS_JDKLIB) 1227 AC_SUBST($2LDFLAGS_JDKEXE) 1228 AC_SUBST($2JDKLIB_LIBS) 1229 AC_SUBST($2JDKEXE_LIBS) 1230 AC_SUBST($2LDFLAGS_CXX_JDK) 1231 AC_SUBST($2LDFLAGS_HASH_STYLE) 1232 1233 AC_SUBST($2JVM_CFLAGS) 1234 AC_SUBST($2JVM_LDFLAGS) 1235 AC_SUBST($2JVM_ASFLAGS) 1236 AC_SUBST($2JVM_LIBS) 1237 1238]) 1239 1240# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1241# IF_FALSE: [RUN-IF-FALSE]) 1242# ------------------------------------------------------------ 1243# Check that the C compiler supports an argument 1244BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 1245 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1246[ 1247 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"]) 1248 supports=yes 1249 1250 saved_cflags="$CFLAGS" 1251 CFLAGS="$CFLAGS ARG_ARGUMENT" 1252 AC_LANG_PUSH([C]) 1253 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1254 [supports=no]) 1255 AC_LANG_POP([C]) 1256 CFLAGS="$saved_cflags" 1257 1258 AC_MSG_RESULT([$supports]) 1259 if test "x$supports" = "xyes" ; then 1260 : 1261 ARG_IF_TRUE 1262 else 1263 : 1264 ARG_IF_FALSE 1265 fi 1266]) 1267 1268# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1269# IF_FALSE: [RUN-IF-FALSE]) 1270# ------------------------------------------------------------ 1271# Check that the C++ compiler supports an argument 1272BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 1273 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1274[ 1275 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"]) 1276 supports=yes 1277 1278 saved_cxxflags="$CXXFLAGS" 1279 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 1280 AC_LANG_PUSH([C++]) 1281 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1282 [supports=no]) 1283 AC_LANG_POP([C++]) 1284 CXXFLAGS="$saved_cxxflags" 1285 1286 AC_MSG_RESULT([$supports]) 1287 if test "x$supports" = "xyes" ; then 1288 : 1289 ARG_IF_TRUE 1290 else 1291 : 1292 ARG_IF_FALSE 1293 fi 1294]) 1295 1296# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1297# IF_FALSE: [RUN-IF-FALSE]) 1298# ------------------------------------------------------------ 1299# Check that the C and C++ compilers support an argument 1300BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 1301 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1302[ 1303 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1304 IF_TRUE: [C_COMP_SUPPORTS="yes"], 1305 IF_FALSE: [C_COMP_SUPPORTS="no"]) 1306 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1307 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 1308 IF_FALSE: [CXX_COMP_SUPPORTS="no"]) 1309 1310 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"]) 1311 supports=no 1312 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi 1313 1314 AC_MSG_RESULT([$supports]) 1315 if test "x$supports" = "xyes" ; then 1316 : 1317 ARG_IF_TRUE 1318 else 1319 : 1320 ARG_IF_FALSE 1321 fi 1322]) 1323 1324# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1325# IF_FALSE: [RUN-IF-FALSE]) 1326# ------------------------------------------------------------ 1327# Check that the linker support an argument 1328BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 1329 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1330[ 1331 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 1332 supports=yes 1333 1334 saved_ldflags="$LDFLAGS" 1335 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 1336 AC_LANG_PUSH([C]) 1337 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 1338 [], [supports=no]) 1339 AC_LANG_POP([C]) 1340 LDFLAGS="$saved_ldflags" 1341 1342 AC_MSG_RESULT([$supports]) 1343 if test "x$supports" = "xyes" ; then 1344 : 1345 ARG_IF_TRUE 1346 else 1347 : 1348 ARG_IF_FALSE 1349 fi 1350]) 1351 1352AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 1353[ 1354 # Some Zero and Shark settings. 1355 # ZERO_ARCHFLAG tells the compiler which mode to build for 1356 case "${OPENJDK_TARGET_CPU}" in 1357 s390) 1358 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 1359 ;; 1360 *) 1361 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 1362 esac 1363 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 1364 AC_SUBST(ZERO_ARCHFLAG) 1365 1366 # Check that the compiler supports -mX (or -qX on AIX) flags 1367 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 1368 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 1369 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 1370 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 1371 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 1372 1373 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 1374 [do not consider native warnings to be an error @<:@enabled@:>@])]) 1375 1376 AC_MSG_CHECKING([if native warnings are errors]) 1377 if test "x$enable_warnings_as_errors" = "xyes"; then 1378 AC_MSG_RESULT([yes (explicitely set)]) 1379 WARNINGS_AS_ERRORS=true 1380 elif test "x$enable_warnings_as_errors" = "xno"; then 1381 AC_MSG_RESULT([no]) 1382 WARNINGS_AS_ERRORS=false 1383 elif test "x$enable_warnings_as_errors" = "x"; then 1384 AC_MSG_RESULT([yes (default)]) 1385 WARNINGS_AS_ERRORS=true 1386 else 1387 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 1388 fi 1389 1390 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1391 # Set legacy hotspot variable 1392 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1393 else 1394 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1395 fi 1396 1397 AC_SUBST(WARNINGS_AS_ERRORS) 1398 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1399 1400 case "${TOOLCHAIN_TYPE}" in 1401 microsoft) 1402 DISABLE_WARNING_PREFIX="-wd" 1403 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1404 ;; 1405 solstudio) 1406 DISABLE_WARNING_PREFIX="-erroff=" 1407 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1408 ;; 1409 gcc) 1410 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1411 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1412 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1413 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1414 ) 1415 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1416 DISABLE_WARNING_PREFIX="-Wno-" 1417 else 1418 DISABLE_WARNING_PREFIX= 1419 fi 1420 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1421 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset 1422 # CFLAGS since any target specific flags will likely not work with the 1423 # build compiler 1424 CC_OLD="$CC" 1425 CXX_OLD="$CXX" 1426 CC="$BUILD_CC" 1427 CXX="$BUILD_CXX" 1428 CFLAGS_OLD="$CFLAGS" 1429 CFLAGS="" 1430 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1431 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1432 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1433 ) 1434 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1435 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1436 else 1437 BUILD_CC_DISABLE_WARNING_PREFIX= 1438 fi 1439 CC="$CC_OLD" 1440 CXX="$CXX_OLD" 1441 CFLAGS="$CFLAGS_OLD" 1442 ;; 1443 clang) 1444 DISABLE_WARNING_PREFIX="-Wno-" 1445 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1446 ;; 1447 xlc) 1448 DISABLE_WARNING_PREFIX="-qsuppress=" 1449 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w" 1450 ;; 1451 esac 1452 AC_SUBST(DISABLE_WARNING_PREFIX) 1453 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX) 1454 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1455]) 1456 1457# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX]) 1458# Arguments: 1459# $1 - Optional prefix for each variable defined. 1460AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS], 1461[ 1462 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code 1463 # runs afoul of the more aggressive versions of these optimisations. 1464 # Notably, value range propagation now assumes that the this pointer of C++ 1465 # member functions is non-null. 1466 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" 1467 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1468 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], 1469 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) 1470 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" 1471 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1472 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror], 1473 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""]) 1474 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}]) 1475 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1476 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1477]) 1478