flags.m4 revision 2133:cd05b3e4720c
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 -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 93 fi 94 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 95 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 96 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 97 elif test "x$TOOLCHAIN_TYPE" = xclang; then 98 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 99 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 100 fi 101 # Propagate the sysroot args to hotspot 102 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 103 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 104 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 105 # The global CFLAGS and LDFLAGS variables need these for configure to function 106 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 107 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 108 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 109 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 110 fi 111 112 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 113 # We also need -iframework<path>/System/Library/Frameworks 114 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 115 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 116 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 117 # set this here so it doesn't have to be peppered throughout the forest 118 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 119 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 120 fi 121 122 AC_SUBST($1SYSROOT_CFLAGS) 123 AC_SUBST($1SYSROOT_LDFLAGS) 124]) 125 126AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 127[ 128 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 129 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 130 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder 131 # commands produced by the link step (currently AIX only) 132 if test "x$TOOLCHAIN_TYPE" = xxlc; then 133 COMPILER_TARGET_BITS_FLAG="-q" 134 COMPILER_COMMAND_FILE_FLAG="-f" 135 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:" 136 else 137 COMPILER_TARGET_BITS_FLAG="-m" 138 COMPILER_COMMAND_FILE_FLAG="@" 139 COMPILER_BINDCMD_FILE_FLAG="" 140 141 # The solstudio linker does not support @-files. 142 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 143 COMPILER_COMMAND_FILE_FLAG= 144 fi 145 146 # Check if @file is supported by gcc 147 if test "x$TOOLCHAIN_TYPE" = xgcc; then 148 AC_MSG_CHECKING([if @file is supported by gcc]) 149 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument 150 $ECHO "" "--version" > command.file 151 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then 152 AC_MSG_RESULT(yes) 153 COMPILER_COMMAND_FILE_FLAG="@" 154 else 155 AC_MSG_RESULT(no) 156 COMPILER_COMMAND_FILE_FLAG= 157 fi 158 $RM command.file 159 fi 160 fi 161 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 162 AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 163 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG) 164 165 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 166 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 167 ARFLAGS="-r" 168 elif test "x$OPENJDK_TARGET_OS" = xaix; then 169 ARFLAGS="-X64" 170 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 171 # lib.exe is used as AR to create static libraries. 172 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 173 else 174 ARFLAGS="" 175 fi 176 AC_SUBST(ARFLAGS) 177 178 ## Setup strip. 179 # FIXME: should this really be per platform, or should it be per toolchain type? 180 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 181 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 182 if test "x$OPENJDK_TARGET_OS" = xlinux; then 183 STRIPFLAGS="-g" 184 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 185 STRIPFLAGS="-x" 186 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 187 STRIPFLAGS="-S" 188 elif test "x$OPENJDK_TARGET_OS" = xaix; then 189 STRIPFLAGS="-X32_64" 190 fi 191 192 AC_SUBST(STRIPFLAGS) 193 194 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 195 CC_OUT_OPTION=-Fo 196 EXE_OUT_OPTION=-out: 197 LD_OUT_OPTION=-out: 198 AR_OUT_OPTION=-out: 199 else 200 # The option used to specify the target .o,.a or .so file. 201 # When compiling, how to specify the to be created object file. 202 CC_OUT_OPTION='-o$(SPACE)' 203 # When linking, how to specify the to be created executable. 204 EXE_OUT_OPTION='-o$(SPACE)' 205 # When linking, how to specify the to be created dynamically linkable library. 206 LD_OUT_OPTION='-o$(SPACE)' 207 # When archiving, how to specify the to be create static archive for object files. 208 AR_OUT_OPTION='rcs$(SPACE)' 209 fi 210 AC_SUBST(CC_OUT_OPTION) 211 AC_SUBST(EXE_OUT_OPTION) 212 AC_SUBST(LD_OUT_OPTION) 213 AC_SUBST(AR_OUT_OPTION) 214 215 # On Windows, we need to set RC flags. 216 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 217 RC_FLAGS="-nologo -l0x409" 218 JVM_RCFLAGS="-nologo" 219 if test "x$DEBUG_LEVEL" = xrelease; then 220 RC_FLAGS="$RC_FLAGS -DNDEBUG" 221 JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG" 222 fi 223 224 # The version variables used to create RC_FLAGS may be overridden 225 # in a custom configure script, or possibly the command line. 226 # Let those variables be expanded at make time in spec.gmk. 227 # The \$ are escaped to the shell, and the $(...) variables 228 # are evaluated by make. 229 RC_FLAGS="$RC_FLAGS \ 230 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 231 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 232 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 233 -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 234 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 235 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 236 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 237 238 JVM_RCFLAGS="$JVM_RCFLAGS \ 239 -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \ 240 -D\"HS_COMPANY=\$(COMPANY_NAME)\" \ 241 -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \ 242 -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \ 243 -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \ 244 -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \ 245 -D\"HS_FNAME=jvm.dll\" \ 246 -D\"HS_INTERNAL_NAME=jvm\"" 247 fi 248 AC_SUBST(RC_FLAGS) 249 AC_SUBST(JVM_RCFLAGS) 250 251 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 252 # silence copyright notice and other headers. 253 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 254 fi 255]) 256 257AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 258[ 259 ############################################################################### 260 # 261 # How to compile shared libraries. 262 # 263 264 if test "x$TOOLCHAIN_TYPE" = xgcc; then 265 PICFLAG="-fPIC" 266 C_FLAG_REORDER='' 267 CXX_FLAG_REORDER='' 268 269 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 270 # Linking is different on MacOSX 271 if test "x$STATIC_BUILD" = xtrue; then 272 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 273 else 274 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 275 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 276 fi 277 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 278 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 279 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 280 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 281 else 282 # Default works for linux, might work on other platforms as well. 283 SHARED_LIBRARY_FLAGS='-shared' 284 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 285 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 286 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 287 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 288 fi 289 elif test "x$TOOLCHAIN_TYPE" = xclang; then 290 C_FLAG_REORDER='' 291 CXX_FLAG_REORDER='' 292 293 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 294 # Linking is different on MacOSX 295 PICFLAG='' 296 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 297 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 298 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 299 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 300 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1' 301 302 if test "x$STATIC_BUILD" = xfalse; then 303 JVM_CFLAGS="$JVM_CFLAGS -fPIC" 304 fi 305 else 306 # Default works for linux, might work on other platforms as well. 307 PICFLAG='-fPIC' 308 SHARED_LIBRARY_FLAGS='-shared' 309 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 310 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 311 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 312 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 313 fi 314 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 315 PICFLAG="-KPIC" 316 C_FLAG_REORDER='-xF' 317 CXX_FLAG_REORDER='-xF' 318 SHARED_LIBRARY_FLAGS="-G" 319 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 320 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 321 SET_SHARED_LIBRARY_NAME='-h [$]1' 322 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 323 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 324 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only 325 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker 326 # will have to patch this single instruction with a call to some out-of-order code which 327 # does the load from the TOC. This is of course slow. But in that case we also would have 328 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'. 329 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which 330 # can be patched directly by the linker and does not require a jump to out-of-order code. 331 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc' 332 # instead. This creates a distinct TOC for every compilation unit (and thus requires two 333 # loads for accessing a global variable). But there are rumors that this may be seen as a 334 # 'performance feature' because of improved code locality of the symbols used in a 335 # compilation unit. 336 PICFLAG="-qpic" 337 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG" 338 C_FLAG_REORDER='' 339 CXX_FLAG_REORDER='' 340 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry" 341 SET_EXECUTABLE_ORIGIN="" 342 SET_SHARED_LIBRARY_ORIGIN='' 343 SET_SHARED_LIBRARY_NAME='' 344 SET_SHARED_LIBRARY_MAPFILE='' 345 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 346 PICFLAG="" 347 C_FLAG_REORDER='' 348 CXX_FLAG_REORDER='' 349 SHARED_LIBRARY_FLAGS="-dll" 350 SET_EXECUTABLE_ORIGIN='' 351 SET_SHARED_LIBRARY_ORIGIN='' 352 SET_SHARED_LIBRARY_NAME='' 353 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1' 354 fi 355 356 AC_SUBST(C_FLAG_REORDER) 357 AC_SUBST(CXX_FLAG_REORDER) 358 AC_SUBST(SET_EXECUTABLE_ORIGIN) 359 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 360 AC_SUBST(SET_SHARED_LIBRARY_NAME) 361 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 362 AC_SUBST(SHARED_LIBRARY_FLAGS) 363 364 # The (cross) compiler is now configured, we can now test capabilities 365 # of the target platform. 366]) 367 368# Documentation on common flags used for solstudio in HIGHEST. 369# 370# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 371# done with care, there are some assumptions below that need to 372# be understood about the use of pointers, and IEEE behavior. 373# 374# -fns: Use non-standard floating point mode (not IEEE 754) 375# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 376# -fsingle: Use single precision floating point with 'float' 377# -xalias_level=basic: Assume memory references via basic pointer types do not alias 378# (Source with excessing pointer casting and data access with mixed 379# pointer types are not recommended) 380# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 381# (If you expect perfect errno behavior, do not use this) 382# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 383# -xrestrict: Pointer parameters to functions do not overlap 384# (Similar to -xalias_level=basic usage, but less obvious sometimes. 385# If you pass in multiple pointers to the same data, do not use this) 386# -xlibmil: Inline some library routines 387# (If you expect perfect errno behavior, do not use this) 388# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 389# (If you expect perfect errno behavior, do not use this) 390# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 391 392 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 393 # Bug? 394 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 395 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 396 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 397 #fi 398 399AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 400[ 401 402 ############################################################################### 403 # 404 # Setup the opt flags for different compilers 405 # and different operating systems. 406 # 407 408 # FIXME: this was indirectly the old default, but just inherited. 409 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 410 # C_FLAG_DEPS="-MMD -MF" 411 # fi 412 413 # Generate make dependency files 414 if test "x$TOOLCHAIN_TYPE" = xgcc; then 415 C_FLAG_DEPS="-MMD -MF" 416 elif test "x$TOOLCHAIN_TYPE" = xclang; then 417 C_FLAG_DEPS="-MMD -MF" 418 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 419 C_FLAG_DEPS="-xMMD -xMF" 420 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 421 C_FLAG_DEPS="-qmakedep=gcc -MF" 422 fi 423 CXX_FLAG_DEPS="$C_FLAG_DEPS" 424 AC_SUBST(C_FLAG_DEPS) 425 AC_SUBST(CXX_FLAG_DEPS) 426 427 # Debug symbols 428 if test "x$TOOLCHAIN_TYPE" = xgcc; then 429 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 430 # reduce from default "-g2" option to save space 431 CFLAGS_DEBUG_SYMBOLS="-g1" 432 CXXFLAGS_DEBUG_SYMBOLS="-g1" 433 else 434 CFLAGS_DEBUG_SYMBOLS="-g" 435 CXXFLAGS_DEBUG_SYMBOLS="-g" 436 fi 437 elif test "x$TOOLCHAIN_TYPE" = xclang; then 438 CFLAGS_DEBUG_SYMBOLS="-g" 439 CXXFLAGS_DEBUG_SYMBOLS="-g" 440 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 441 CFLAGS_DEBUG_SYMBOLS="-g -xs" 442 # -g0 enables debug symbols without disabling inlining. 443 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 444 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 445 CFLAGS_DEBUG_SYMBOLS="-g" 446 CXXFLAGS_DEBUG_SYMBOLS="-g" 447 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 448 CFLAGS_DEBUG_SYMBOLS="-Zi" 449 CXXFLAGS_DEBUG_SYMBOLS="-Zi" 450 fi 451 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 452 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 453 454 # Debug symbols for JVM_CFLAGS 455 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 456 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs" 457 if test "x$DEBUG_LEVEL" = xslowdebug; then 458 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 459 else 460 # -g0 does not disable inlining, which -g does. 461 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0" 462 fi 463 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 464 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+" 465 else 466 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g" 467 fi 468 AC_SUBST(JVM_CFLAGS_SYMBOLS) 469 470 # bounds, memory and behavior checking options 471 if test "x$TOOLCHAIN_TYPE" = xgcc; then 472 case $DEBUG_LEVEL in 473 release ) 474 # no adjustment 475 ;; 476 fastdebug ) 477 # no adjustment 478 ;; 479 slowdebug ) 480 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it 481 # get's added conditionally on whether we produce debug symbols or not. 482 # This is most likely not really correct. 483 484 # Add runtime stack smashing and undefined behavior checks. 485 # Not all versions of gcc support -fstack-protector 486 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 487 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""]) 488 489 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 490 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 491 if test "x$STACK_PROTECTOR_CFLAG" != x; then 492 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 493 fi 494 ;; 495 esac 496 fi 497 498 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 499 if test "x$DEBUG_LEVEL" != xrelease; then 500 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 501 JVM_CFLAGS="$JVM_CFLAGS -homeparams" 502 fi 503 fi 504 fi 505 506 # Optimization levels 507 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 508 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 509 510 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 511 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 512 C_O_FLAG_HIGHEST_JVM="-xO4" 513 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 514 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 515 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 516 C_O_FLAG_DEBUG="-xregs=no%frameptr" 517 C_O_FLAG_DEBUG_JVM="" 518 C_O_FLAG_NONE="-xregs=no%frameptr" 519 CXX_O_FLAG_HIGHEST_JVM="-xO4" 520 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 521 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 522 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 523 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 524 CXX_O_FLAG_DEBUG_JVM="" 525 CXX_O_FLAG_NONE="-xregs=no%frameptr" 526 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 527 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 528 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 529 fi 530 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 531 C_O_FLAG_HIGHEST_JVM="-xO4" 532 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 533 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 534 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 535 C_O_FLAG_DEBUG="" 536 C_O_FLAG_DEBUG_JVM="" 537 C_O_FLAG_NONE="" 538 CXX_O_FLAG_HIGHEST_JVM="-xO4" 539 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 540 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 541 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 542 CXX_O_FLAG_DEBUG="" 543 CXX_O_FLAG_DEBUG_JVM="" 544 CXX_O_FLAG_NONE="" 545 fi 546 else 547 # The remaining toolchains share opt flags between CC and CXX; 548 # setup for C and duplicate afterwards. 549 if test "x$TOOLCHAIN_TYPE" = xgcc; then 550 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 551 # On MacOSX we optimize for size, something 552 # we should do for all platforms? 553 C_O_FLAG_HIGHEST_JVM="-Os" 554 C_O_FLAG_HIGHEST="-Os" 555 C_O_FLAG_HI="-Os" 556 C_O_FLAG_NORM="-Os" 557 C_O_FLAG_SIZE="-Os" 558 else 559 C_O_FLAG_HIGHEST_JVM="-O3" 560 C_O_FLAG_HIGHEST="-O3" 561 C_O_FLAG_HI="-O3" 562 C_O_FLAG_NORM="-O2" 563 C_O_FLAG_SIZE="-Os" 564 fi 565 C_O_FLAG_DEBUG="-O0" 566 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 567 C_O_FLAG_DEBUG_JVM="" 568 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 569 C_O_FLAG_DEBUG_JVM="-O0" 570 fi 571 C_O_FLAG_NONE="-O0" 572 elif test "x$TOOLCHAIN_TYPE" = xclang; then 573 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 574 # On MacOSX we optimize for size, something 575 # we should do for all platforms? 576 C_O_FLAG_HIGHEST_JVM="-Os" 577 C_O_FLAG_HIGHEST="-Os" 578 C_O_FLAG_HI="-Os" 579 C_O_FLAG_NORM="-Os" 580 C_O_FLAG_SIZE="-Os" 581 else 582 C_O_FLAG_HIGHEST_JVM="-O3" 583 C_O_FLAG_HIGHEST="-O3" 584 C_O_FLAG_HI="-O3" 585 C_O_FLAG_NORM="-O2" 586 C_O_FLAG_SIZE="-Os" 587 fi 588 C_O_FLAG_DEBUG="-O0" 589 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 590 C_O_FLAG_DEBUG_JVM="" 591 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 592 C_O_FLAG_DEBUG_JVM="-O0" 593 fi 594 C_O_FLAG_NONE="-O0" 595 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 596 C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue" 597 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue" 598 C_O_FLAG_HI="-O3 -qinline -qinlglue" 599 C_O_FLAG_NORM="-O2" 600 C_O_FLAG_DEBUG="-qnoopt" 601 # FIXME: Value below not verified. 602 C_O_FLAG_DEBUG_JVM="" 603 C_O_FLAG_NONE="-qnoopt" 604 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 605 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-" 606 C_O_FLAG_HIGHEST="-O2" 607 C_O_FLAG_HI="-O1" 608 C_O_FLAG_NORM="-O1" 609 C_O_FLAG_DEBUG="-Od" 610 C_O_FLAG_DEBUG_JVM="" 611 C_O_FLAG_NONE="-Od" 612 C_O_FLAG_SIZE="-Os" 613 fi 614 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM" 615 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 616 CXX_O_FLAG_HI="$C_O_FLAG_HI" 617 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 618 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 619 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM" 620 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 621 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE" 622 fi 623 624 # Adjust optimization flags according to debug level. 625 case $DEBUG_LEVEL in 626 release ) 627 # no adjustment 628 ;; 629 fastdebug ) 630 # Not quite so much optimization 631 C_O_FLAG_HI="$C_O_FLAG_NORM" 632 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 633 ;; 634 slowdebug ) 635 # Disable optimization 636 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM" 637 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 638 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 639 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 640 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG" 641 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM" 642 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 643 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 644 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 645 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG" 646 ;; 647 esac 648 649 AC_SUBST(C_O_FLAG_HIGHEST_JVM) 650 AC_SUBST(C_O_FLAG_HIGHEST) 651 AC_SUBST(C_O_FLAG_HI) 652 AC_SUBST(C_O_FLAG_NORM) 653 AC_SUBST(C_O_FLAG_DEBUG) 654 AC_SUBST(C_O_FLAG_NONE) 655 AC_SUBST(C_O_FLAG_SIZE) 656 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM) 657 AC_SUBST(CXX_O_FLAG_HIGHEST) 658 AC_SUBST(CXX_O_FLAG_HI) 659 AC_SUBST(CXX_O_FLAG_NORM) 660 AC_SUBST(CXX_O_FLAG_DEBUG) 661 AC_SUBST(CXX_O_FLAG_NONE) 662 AC_SUBST(CXX_O_FLAG_SIZE) 663]) 664 665 666AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 667[ 668 669 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET]) 670 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_]) 671 672 # Tests are only ever compiled for TARGET 673 # Flags for compiling test libraries 674 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 675 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 676 677 # Flags for compiling test executables 678 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 679 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 680 681 AC_SUBST(CFLAGS_TESTLIB) 682 AC_SUBST(CFLAGS_TESTEXE) 683 AC_SUBST(CXXFLAGS_TESTLIB) 684 AC_SUBST(CXXFLAGS_TESTEXE) 685 686 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 687 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 688 689 AC_SUBST(LDFLAGS_TESTLIB) 690 AC_SUBST(LDFLAGS_TESTEXE) 691 692]) 693 694################################################################################ 695# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check 696# conditionals against. 697# $2 - Optional prefix for each variable defined. 698AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER], 699[ 700 # Special extras... 701 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 702 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 703 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 704 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 705 fi 706 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 707 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 708 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 709 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 710 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 711 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 712 $2CXXSTD_CXXFLAG="-std=gnu++98" 713 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror], 714 IF_FALSE: [$2CXXSTD_CXXFLAG=""]) 715 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$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 $2CFLAGS_JDKLIB_EXTRA='-xstrconst' 722 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 723 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 724 fi 725 726 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 727 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__" 728 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__" 729 $2CFLAGS_JDKLIB_EXTRA='-xstrconst' 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 * ) 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: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS) 772 elif test "x$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 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \ 902 -D_Crun_inline_placement -library=%none -KPIC -mt -xwe -features=no%except" 903 elif test "x$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 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power7 -mtune=power8" 946 fi 947 fi 948 949 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 950 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN" 951 fi 952 953 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 954 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then 955 # Solaris does not have _LP64=1 in the old build. 956 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it. 957 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1" 958 fi 959 fi 960 961 # Set $2JVM_CFLAGS warning handling 962 if test "x$OPENJDK_$1_OS" = xlinux; then 963 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \ 964 -Wunused-value -Woverloaded-virtual" 965 966 if test "x$TOOLCHAIN_TYPE" = xgcc; then 967 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2, 968 IF_AT_LEAST: [ 969 # These flags either do not work or give spurious warnings prior to gcc 4.8. 970 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized" 971 ] 972 ) 973 fi 974 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 975 # Non-zero builds have stricter warnings 976 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2" 977 else 978 if test "x$TOOLCHAIN_TYPE" = xclang; then 979 # Some versions of llvm do not like -Wundef 980 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef" 981 fi 982 fi 983 elif test "x$OPENJDK_$1_OS" = xmacosx; then 984 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \ 985 -Wsign-compare -Wundef -Wunused-function -Wformat=2" 986 fi 987 988 # Additional macosx handling 989 if test "x$OPENJDK_$1_OS" = xmacosx; then 990 # Setting these parameters makes it an error to link to macosx APIs that are 991 # newer than the given OS version and makes the linked binaries compatible 992 # even if built on a newer version of the OS. 993 # The expected format is X.Y.Z 994 MACOSX_VERSION_MIN=10.7.0 995 AC_SUBST(MACOSX_VERSION_MIN) 996 997 # The macro takes the version with no dots, ex: 1070 998 # Let the flags variables get resolved in make for easier override on make 999 # command line. 1000 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1001 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 1002 fi 1003 1004 # Setup some hard coded includes 1005 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 1006 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 1007 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \ 1008 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \ 1009 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 1010 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava" 1011 1012 # The shared libraries are compiled using the picflag. 1013 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1014 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA" 1015 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1016 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA" 1017 1018 # Executable flags 1019 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK" 1020 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK" 1021 1022 AC_SUBST($2CFLAGS_JDKLIB) 1023 AC_SUBST($2CFLAGS_JDKEXE) 1024 AC_SUBST($2CXXFLAGS_JDKLIB) 1025 AC_SUBST($2CXXFLAGS_JDKEXE) 1026 1027 # Setup LDFLAGS et al. 1028 # 1029 1030 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1031 LDFLAGS_MICROSOFT="-nologo -opt:ref" 1032 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no" 1033 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000" 1034 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then 1035 LDFLAGS_SAFESH="-safeseh" 1036 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH" 1037 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH" 1038 # NOTE: Old build added -machine. Probably not needed. 1039 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386" 1040 else 1041 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64" 1042 fi 1043 elif test "x$TOOLCHAIN_TYPE" = xclang; then 1044 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC" 1045 if test "x$OPENJDK_$1_OS" = xmacosx; then 1046 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. 1047 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1048 fi 1049 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 1050 # If this is a --hash-style=gnu system, use --hash-style=both, why? 1051 # We have previously set HAS_GNU_HASH if this is the case 1052 if test -n "$HAS_GNU_HASH"; then 1053 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both" 1054 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE" 1055 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE" 1056 fi 1057 if test "x$OPENJDK_$1_OS" = xmacosx; then 1058 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1059 fi 1060 if test "x$OPENJDK_$1_OS" = xlinux; then 1061 # And since we now know that the linker is gnu, then add -z defs, to forbid 1062 # undefined symbols in object files. 1063 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs" 1064 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM" 1065 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM" 1066 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack" 1067 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK" 1068 if test "x$OPENJDK_$1_CPU" = xx86; then 1069 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586" 1070 fi 1071 case $DEBUG_LEVEL in 1072 release ) 1073 # tell linker to optimize libraries. 1074 # Should this be supplied to the OSS linker as well? 1075 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1" 1076 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release" 1077 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release" 1078 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1079 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1080 fi 1081 ;; 1082 slowdebug ) 1083 # Hotspot always let the linker optimize 1084 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1085 if test "x$HAS_LINKER_NOW" = "xtrue"; then 1086 # do relocations at load 1087 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG" 1088 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 1089 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG" 1090 fi 1091 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1092 # mark relocations read only 1093 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1094 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1095 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1096 fi 1097 ;; 1098 fastdebug ) 1099 # Hotspot always let the linker optimize 1100 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1101 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1102 # mark relocations read only 1103 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1104 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1105 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1106 fi 1107 ;; 1108 * ) 1109 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 1110 ;; 1111 esac 1112 fi 1113 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1114 LDFLAGS_SOLSTUDIO="-Wl,-z,defs" 1115 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -xildoff -ztext" 1116 LDFLAGS_CXX_SOLSTUDIO="-norunpath" 1117 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib" 1118 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion" 1119 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 1120 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc" 1121 fi 1122 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 1123 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok" 1124 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC" 1125 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC" 1126 fi 1127 1128 # Customize LDFLAGS for executables 1129 1130 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}" 1131 1132 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1133 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then 1134 LDFLAGS_STACK_SIZE=1048576 1135 else 1136 LDFLAGS_STACK_SIZE=327680 1137 fi 1138 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 1139 elif test "x$OPENJDK_$1_OS" = xlinux; then 1140 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 1141 fi 1142 1143 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}" 1144 1145 # Customize LDFLAGS for libs 1146 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}" 1147 1148 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 1149 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1150 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \ 1151 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 1152 $2JDKLIB_LIBS="" 1153 else 1154 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \ 1155 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)" 1156 1157 if test "x$1" = "xTARGET"; then 1158 # On some platforms (mac) the linker warns about non existing -L dirs. 1159 # Add server first if available. Linking aginst client does not always produce the same results. 1160 # Only add client/minimal dir if client/minimal is being built. 1161 # Default to server for other variants. 1162 if HOTSPOT_CHECK_JVM_VARIANT(server); then 1163 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1164 elif HOTSPOT_CHECK_JVM_VARIANT(client); then 1165 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/client" 1166 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then 1167 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/minimal" 1168 else 1169 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1170 fi 1171 elif test "x$1" = "xBUILD"; then 1172 # When building a buildjdk, it's always only the server variant 1173 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \ 1174 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1175 fi 1176 1177 $2JDKLIB_LIBS="-ljava -ljvm" 1178 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1179 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc" 1180 fi 1181 1182 fi 1183 1184 # Set $2JVM_LIBS (per os) 1185 if test "x$OPENJDK_$1_OS" = xlinux; then 1186 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread" 1187 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1188 # FIXME: This hard-coded path is not really proper. 1189 if test "x$OPENJDK_$1_CPU" = xx86_64; then 1190 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1" 1191 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1192 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1" 1193 fi 1194 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \ 1195 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt" 1196 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1197 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1198 elif test "x$OPENJDK_$1_OS" = xaix; then 1199 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread" 1200 elif test "x$OPENJDK_$1_OS" = xbsd; then 1201 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1202 elif test "x$OPENJDK_$1_OS" = xwindows; then 1203 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \ 1204 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \ 1205 wsock32.lib winmm.lib version.lib psapi.lib" 1206 fi 1207 1208 # Set $2JVM_ASFLAGS 1209 if test "x$OPENJDK_$1_OS" = xlinux; then 1210 if test "x$OPENJDK_$1_CPU" = xx86; then 1211 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586" 1212 fi 1213 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1214 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16" 1215 fi 1216 1217 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}" 1218 1219 AC_SUBST($2LDFLAGS_JDKLIB) 1220 AC_SUBST($2LDFLAGS_JDKEXE) 1221 AC_SUBST($2JDKLIB_LIBS) 1222 AC_SUBST($2JDKEXE_LIBS) 1223 AC_SUBST($2LDFLAGS_CXX_JDK) 1224 AC_SUBST($2LDFLAGS_HASH_STYLE) 1225 1226 AC_SUBST($2JVM_CFLAGS) 1227 AC_SUBST($2JVM_LDFLAGS) 1228 AC_SUBST($2JVM_ASFLAGS) 1229 AC_SUBST($2JVM_LIBS) 1230 1231]) 1232 1233# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1234# IF_FALSE: [RUN-IF-FALSE]) 1235# ------------------------------------------------------------ 1236# Check that the C compiler supports an argument 1237BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 1238 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1239[ 1240 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"]) 1241 supports=yes 1242 1243 saved_cflags="$CFLAGS" 1244 CFLAGS="$CFLAGS ARG_ARGUMENT" 1245 AC_LANG_PUSH([C]) 1246 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1247 [supports=no]) 1248 AC_LANG_POP([C]) 1249 CFLAGS="$saved_cflags" 1250 1251 AC_MSG_RESULT([$supports]) 1252 if test "x$supports" = "xyes" ; then 1253 : 1254 ARG_IF_TRUE 1255 else 1256 : 1257 ARG_IF_FALSE 1258 fi 1259]) 1260 1261# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1262# IF_FALSE: [RUN-IF-FALSE]) 1263# ------------------------------------------------------------ 1264# Check that the C++ compiler supports an argument 1265BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 1266 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1267[ 1268 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"]) 1269 supports=yes 1270 1271 saved_cxxflags="$CXXFLAGS" 1272 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 1273 AC_LANG_PUSH([C++]) 1274 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1275 [supports=no]) 1276 AC_LANG_POP([C++]) 1277 CXXFLAGS="$saved_cxxflags" 1278 1279 AC_MSG_RESULT([$supports]) 1280 if test "x$supports" = "xyes" ; then 1281 : 1282 ARG_IF_TRUE 1283 else 1284 : 1285 ARG_IF_FALSE 1286 fi 1287]) 1288 1289# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1290# IF_FALSE: [RUN-IF-FALSE]) 1291# ------------------------------------------------------------ 1292# Check that the C and C++ compilers support an argument 1293BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 1294 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1295[ 1296 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1297 IF_TRUE: [C_COMP_SUPPORTS="yes"], 1298 IF_FALSE: [C_COMP_SUPPORTS="no"]) 1299 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1300 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 1301 IF_FALSE: [CXX_COMP_SUPPORTS="no"]) 1302 1303 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"]) 1304 supports=no 1305 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi 1306 1307 AC_MSG_RESULT([$supports]) 1308 if test "x$supports" = "xyes" ; then 1309 : 1310 ARG_IF_TRUE 1311 else 1312 : 1313 ARG_IF_FALSE 1314 fi 1315]) 1316 1317# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1318# IF_FALSE: [RUN-IF-FALSE]) 1319# ------------------------------------------------------------ 1320# Check that the linker support an argument 1321BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 1322 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1323[ 1324 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 1325 supports=yes 1326 1327 saved_ldflags="$LDFLAGS" 1328 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 1329 AC_LANG_PUSH([C]) 1330 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 1331 [], [supports=no]) 1332 AC_LANG_POP([C]) 1333 LDFLAGS="$saved_ldflags" 1334 1335 AC_MSG_RESULT([$supports]) 1336 if test "x$supports" = "xyes" ; then 1337 : 1338 ARG_IF_TRUE 1339 else 1340 : 1341 ARG_IF_FALSE 1342 fi 1343]) 1344 1345AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 1346[ 1347 # Some Zero and Shark settings. 1348 # ZERO_ARCHFLAG tells the compiler which mode to build for 1349 case "${OPENJDK_TARGET_CPU}" in 1350 s390) 1351 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 1352 ;; 1353 *) 1354 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 1355 esac 1356 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 1357 AC_SUBST(ZERO_ARCHFLAG) 1358 1359 # Check that the compiler supports -mX (or -qX on AIX) flags 1360 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 1361 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 1362 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 1363 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 1364 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 1365 1366 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 1367 [do not consider native warnings to be an error @<:@enabled@:>@])]) 1368 1369 AC_MSG_CHECKING([if native warnings are errors]) 1370 if test "x$enable_warnings_as_errors" = "xyes"; then 1371 AC_MSG_RESULT([yes (explicitely set)]) 1372 WARNINGS_AS_ERRORS=true 1373 elif test "x$enable_warnings_as_errors" = "xno"; then 1374 AC_MSG_RESULT([no]) 1375 WARNINGS_AS_ERRORS=false 1376 elif test "x$enable_warnings_as_errors" = "x"; then 1377 AC_MSG_RESULT([yes (default)]) 1378 WARNINGS_AS_ERRORS=true 1379 else 1380 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 1381 fi 1382 1383 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1384 # Set legacy hotspot variable 1385 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1386 else 1387 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1388 fi 1389 1390 AC_SUBST(WARNINGS_AS_ERRORS) 1391 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1392 1393 case "${TOOLCHAIN_TYPE}" in 1394 microsoft) 1395 DISABLE_WARNING_PREFIX="-wd" 1396 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1397 ;; 1398 solstudio) 1399 DISABLE_WARNING_PREFIX="-erroff=" 1400 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1401 ;; 1402 gcc) 1403 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1404 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1405 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1406 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1407 ) 1408 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1409 DISABLE_WARNING_PREFIX="-Wno-" 1410 else 1411 DISABLE_WARNING_PREFIX= 1412 fi 1413 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1414 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset 1415 # CFLAGS since any target specific flags will likely not work with the 1416 # build compiler 1417 CC_OLD="$CC" 1418 CXX_OLD="$CXX" 1419 CC="$BUILD_CC" 1420 CXX="$BUILD_CXX" 1421 CFLAGS_OLD="$CFLAGS" 1422 CFLAGS="" 1423 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1424 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1425 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1426 ) 1427 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1428 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1429 else 1430 BUILD_CC_DISABLE_WARNING_PREFIX= 1431 fi 1432 CC="$CC_OLD" 1433 CXX="$CXX_OLD" 1434 CFLAGS="$CFLAGS_OLD" 1435 ;; 1436 clang) 1437 DISABLE_WARNING_PREFIX="-Wno-" 1438 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1439 ;; 1440 xlc) 1441 DISABLE_WARNING_PREFIX="-qsuppress=" 1442 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w" 1443 ;; 1444 esac 1445 AC_SUBST(DISABLE_WARNING_PREFIX) 1446 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX) 1447 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1448]) 1449 1450AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS], 1451[ 1452 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code 1453 # runs afoul of the more aggressive versions of these optimisations. 1454 # Notably, value range propagation now assumes that the this pointer of C++ 1455 # member functions is non-null. 1456 NO_NULL_POINTER_CHECK_CFLAG="-fno-delete-null-pointer-checks" 1457 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_NULL_POINTER_CHECK_CFLAG -Werror], 1458 IF_FALSE: [NO_NULL_POINTER_CHECK_CFLAG=""]) 1459 AC_SUBST([NO_NULL_POINTER_CHECK_CFLAG]) 1460 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" 1461 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror], 1462 IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""]) 1463 CFLAGS_JDK="${CFLAGS_JDK} ${NO_NULL_POINTER_CHECK_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1464 AC_SUBST([NO_LIFETIME_DSE_CFLAG]) 1465]) 1466