flags.m4 revision 2293:2b3e5caafe35
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 * ) 763 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 764 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 765 ;; 766 esac 767 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2)) 768 elif test "x$TOOLCHAIN_TYPE" = xclang; then 769 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE" 770 771 # Restrict the debug information created by Clang to avoid 772 # too big object files and speed the build up a little bit 773 # (see http://llvm.org/bugs/show_bug.cgi?id=7554) 774 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info" 775 if test "x$OPENJDK_$1_OS" = xlinux; then 776 if test "x$OPENJDK_$1_CPU" = xx86; then 777 # Force compatibility with i586 on 32 bit intel platforms. 778 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586" 779 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586" 780 fi 781 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized" 782 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 783 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 784 case $OPENJDK_$1_CPU_ARCH in 785 ppc ) 786 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 787 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 788 ;; 789 * ) 790 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 791 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing" 792 ;; 793 esac 794 fi 795 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 796 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS" 797 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 798 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then 799 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB" 800 fi 801 802 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 803 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 804 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 805 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS" 806 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 807 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 808 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 809 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \ 810 -MD -Zc:wchar_t- -W3 -wd4800 \ 811 -DWIN32_LEAN_AND_MEAN \ 812 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 813 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 814 -DWIN32 -DIAL" 815 if test "x$OPENJDK_$1_CPU" = xx86_64; then 816 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 817 else 818 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 819 fi 820 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 821 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 822 # studio. 823 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 824 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 825 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS" 826 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS" 827 fi 828 fi 829 830 ############################################################################### 831 832 # Adjust flags according to debug level. 833 case $DEBUG_LEVEL in 834 fastdebug | slowdebug ) 835 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 836 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 837 JAVAC_FLAGS="$JAVAC_FLAGS -g" 838 ;; 839 release ) 840 ;; 841 * ) 842 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 843 ;; 844 esac 845 846 # Set some common defines. These works for all compilers, but assume 847 # -D is universally accepted. 848 849 # Setup endianness 850 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 851 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 852 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 853 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 854 # Note: -Dmacro is the same as #define macro 1 855 # -Dmacro= is the same as #define macro 856 if test "x$OPENJDK_$1_OS" = xsolaris; then 857 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 858 else 859 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 860 fi 861 else 862 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 863 # are defined in the system? 864 if test "x$OPENJDK_$1_OS" = xsolaris; then 865 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 866 else 867 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 868 fi 869 fi 870 871 # Setup target OS define. Use OS target name but in upper case. 872 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 873 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE" 874 875 # Setup target CPU 876 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 877 $OPENJDK_$1_ADD_LP64 \ 878 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY" 879 880 # Setup debug/release defines 881 if test "x$DEBUG_LEVEL" = xrelease; then 882 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG" 883 if test "x$OPENJDK_$1_OS" = xsolaris; then 884 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED" 885 fi 886 else 887 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG" 888 fi 889 890 # Set some additional per-OS defines. 891 if test "x$OPENJDK_$1_OS" = xlinux; then 892 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX" 893 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe -fPIC -fno-rtti -fno-exceptions \ 894 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer" 895 elif test "x$OPENJDK_$1_OS" = xsolaris; then 896 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS" 897 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \ 898 -D_Crun_inline_placement -library=%none -KPIC -mt -features=no%except" 899 elif test "x$OPENJDK_$1_OS" = xmacosx; then 900 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 901 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE" 902 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE" 903 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \ 904 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \ 905 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \ 906 -fno-omit-frame-pointer" 907 elif test "x$OPENJDK_$1_OS" = xaix; then 908 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX" 909 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows. 910 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \ 911 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \ 912 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno" 913 elif test "x$OPENJDK_$1_OS" = xbsd; then 914 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 915 elif test "x$OPENJDK_$1_OS" = xwindows; then 916 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_" 917 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP" 918 fi 919 920 # Set some additional per-CPU defines. 921 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then 922 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32" 923 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 924 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc" 925 elif test "x$OPENJDK_$1_CPU" = xppc64; then 926 if test "x$OPENJDK_$1_OS" = xlinux; then 927 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 928 # fixes `relocation truncated to fit' error for gcc 4.1. 929 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc" 930 # Use ppc64 instructions, but schedule for power5 931 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5" 932 elif test "x$OPENJDK_$1_OS" = xaix; then 933 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64" 934 fi 935 elif test "x$OPENJDK_$1_CPU" = xppc64le; then 936 if test "x$OPENJDK_$1_OS" = xlinux; then 937 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string" 938 # Little endian machine uses ELFv2 ABI. 939 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2" 940 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI. 941 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power7 -mtune=power8" 942 fi 943 fi 944 945 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then 946 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN" 947 fi 948 949 if test "x$OPENJDK_$1_CPU_BITS" = x64; then 950 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then 951 # Solaris does not have _LP64=1 in the old build. 952 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it. 953 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1" 954 fi 955 fi 956 957 # Set $2JVM_CFLAGS warning handling 958 if test "x$OPENJDK_$1_OS" = xlinux; then 959 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \ 960 -Wunused-value -Woverloaded-virtual" 961 962 if test "x$TOOLCHAIN_TYPE" = xgcc; then 963 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2, 964 IF_AT_LEAST: [ 965 # These flags either do not work or give spurious warnings prior to gcc 4.8. 966 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized" 967 ] 968 ) 969 fi 970 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then 971 # Non-zero builds have stricter warnings 972 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2" 973 else 974 if test "x$TOOLCHAIN_TYPE" = xclang; then 975 # Some versions of llvm do not like -Wundef 976 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef" 977 fi 978 fi 979 elif test "x$OPENJDK_$1_OS" = xmacosx; then 980 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \ 981 -Wsign-compare -Wundef -Wunused-function -Wformat=2" 982 fi 983 984 # Additional macosx handling 985 if test "x$OPENJDK_$1_OS" = xmacosx; then 986 # Setting these parameters makes it an error to link to macosx APIs that are 987 # newer than the given OS version and makes the linked binaries compatible 988 # even if built on a newer version of the OS. 989 # The expected format is X.Y.Z 990 MACOSX_VERSION_MIN=10.7.0 991 AC_SUBST(MACOSX_VERSION_MIN) 992 993 # The macro takes the version with no dots, ex: 1070 994 # Let the flags variables get resolved in make for easier override on make 995 # command line. 996 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 997 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 998 fi 999 1000 # Setup some hard coded includes 1001 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \ 1002 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 1003 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \ 1004 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \ 1005 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 1006 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava" 1007 1008 # The shared libraries are compiled using the picflag. 1009 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1010 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA" 1011 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \ 1012 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA" 1013 1014 # Executable flags 1015 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK" 1016 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK" 1017 1018 AC_SUBST($2CFLAGS_JDKLIB) 1019 AC_SUBST($2CFLAGS_JDKEXE) 1020 AC_SUBST($2CXXFLAGS_JDKLIB) 1021 AC_SUBST($2CXXFLAGS_JDKEXE) 1022 1023 # Setup LDFLAGS et al. 1024 # 1025 1026 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1027 LDFLAGS_MICROSOFT="-nologo -opt:ref" 1028 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no" 1029 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000" 1030 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then 1031 LDFLAGS_SAFESH="-safeseh" 1032 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH" 1033 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH" 1034 # NOTE: Old build added -machine. Probably not needed. 1035 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386" 1036 else 1037 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64" 1038 fi 1039 elif test "x$TOOLCHAIN_TYPE" = xclang; then 1040 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC" 1041 if test "x$OPENJDK_$1_OS" = xmacosx; then 1042 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead. 1043 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1044 fi 1045 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 1046 # If this is a --hash-style=gnu system, use --hash-style=both, why? 1047 # We have previously set HAS_GNU_HASH if this is the case 1048 if test -n "$HAS_GNU_HASH"; then 1049 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both" 1050 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE" 1051 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE" 1052 fi 1053 if test "x$OPENJDK_$1_OS" = xmacosx; then 1054 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.." 1055 fi 1056 if test "x$OPENJDK_$1_OS" = xlinux; then 1057 # And since we now know that the linker is gnu, then add -z defs, to forbid 1058 # undefined symbols in object files. 1059 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs" 1060 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM" 1061 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM" 1062 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack" 1063 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK" 1064 if test "x$OPENJDK_$1_CPU" = xx86; then 1065 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586" 1066 fi 1067 case $DEBUG_LEVEL in 1068 release ) 1069 # tell linker to optimize libraries. 1070 # Should this be supplied to the OSS linker as well? 1071 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1" 1072 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release" 1073 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release" 1074 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1075 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1076 fi 1077 ;; 1078 slowdebug ) 1079 # Hotspot always let the linker optimize 1080 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1081 if test "x$HAS_LINKER_NOW" = "xtrue"; then 1082 # do relocations at load 1083 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG" 1084 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 1085 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG" 1086 fi 1087 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1088 # mark relocations read only 1089 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1090 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1091 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1092 fi 1093 ;; 1094 fastdebug ) 1095 # Hotspot always let the linker optimize 1096 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1" 1097 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 1098 # mark relocations read only 1099 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG" 1100 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 1101 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG" 1102 fi 1103 ;; 1104 * ) 1105 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 1106 ;; 1107 esac 1108 fi 1109 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1110 LDFLAGS_SOLSTUDIO="-Wl,-z,defs" 1111 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext" 1112 LDFLAGS_CXX_SOLSTUDIO="-norunpath" 1113 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib" 1114 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion" 1115 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then 1116 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc" 1117 fi 1118 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 1119 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok" 1120 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC" 1121 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC" 1122 fi 1123 1124 # Customize LDFLAGS for executables 1125 1126 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}" 1127 1128 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1129 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then 1130 LDFLAGS_STACK_SIZE=1048576 1131 else 1132 LDFLAGS_STACK_SIZE=327680 1133 fi 1134 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 1135 elif test "x$OPENJDK_$1_OS" = xlinux; then 1136 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 1137 fi 1138 1139 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}" 1140 1141 # Customize LDFLAGS for libs 1142 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}" 1143 1144 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 1145 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 1146 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1147 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 1148 $2JDKLIB_LIBS="" 1149 else 1150 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1151 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)" 1152 1153 if test "x$1" = "xTARGET"; then 1154 # On some platforms (mac) the linker warns about non existing -L dirs. 1155 # Add server first if available. Linking aginst client does not always produce the same results. 1156 # Only add client/minimal dir if client/minimal is being built. 1157 # Default to server for other variants. 1158 if HOTSPOT_CHECK_JVM_VARIANT(server); then 1159 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1160 elif HOTSPOT_CHECK_JVM_VARIANT(client); then 1161 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/client" 1162 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then 1163 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/minimal" 1164 else 1165 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1166 fi 1167 elif test "x$1" = "xBUILD"; then 1168 # When building a buildjdk, it's always only the server variant 1169 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \ 1170 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server" 1171 fi 1172 1173 $2JDKLIB_LIBS="-ljava -ljvm" 1174 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 1175 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc" 1176 fi 1177 1178 fi 1179 1180$2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}" 1181 1182 # Set $2JVM_LIBS (per os) 1183 if test "x$OPENJDK_$1_OS" = xlinux; then 1184 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread" 1185 elif test "x$OPENJDK_$1_OS" = xsolaris; then 1186 # FIXME: This hard-coded path is not really proper. 1187 if test "x$OPENJDK_$1_CPU" = xx86_64; then 1188 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1" 1189 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then 1190 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1" 1191 fi 1192 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \ 1193 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt" 1194 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1195 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1196 elif test "x$OPENJDK_$1_OS" = xaix; then 1197 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread" 1198 elif test "x$OPENJDK_$1_OS" = xbsd; then 1199 $2JVM_LIBS="[$]$2JVM_LIBS -lm" 1200 elif test "x$OPENJDK_$1_OS" = xwindows; then 1201 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \ 1202 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \ 1203 wsock32.lib winmm.lib version.lib psapi.lib" 1204 fi 1205 1206 # Set $2JVM_ASFLAGS 1207 if test "x$OPENJDK_$1_OS" = xlinux; then 1208 if test "x$OPENJDK_$1_CPU" = xx86; then 1209 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586" 1210 fi 1211 elif test "x$OPENJDK_$1_OS" = xmacosx; then 1212 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16" 1213 fi 1214 1215 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}" 1216 1217 AC_SUBST($2LDFLAGS_JDKLIB) 1218 AC_SUBST($2LDFLAGS_JDKEXE) 1219 AC_SUBST($2JDKLIB_LIBS) 1220 AC_SUBST($2JDKEXE_LIBS) 1221 AC_SUBST($2LDFLAGS_CXX_JDK) 1222 AC_SUBST($2LDFLAGS_HASH_STYLE) 1223 1224 AC_SUBST($2JVM_CFLAGS) 1225 AC_SUBST($2JVM_LDFLAGS) 1226 AC_SUBST($2JVM_ASFLAGS) 1227 AC_SUBST($2JVM_LIBS) 1228 1229]) 1230 1231# FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1232# IF_FALSE: [RUN-IF-FALSE]) 1233# ------------------------------------------------------------ 1234# Check that the C compiler supports an argument 1235BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS], 1236 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1237[ 1238 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"]) 1239 supports=yes 1240 1241 saved_cflags="$CFLAGS" 1242 CFLAGS="$CFLAGS ARG_ARGUMENT" 1243 AC_LANG_PUSH([C]) 1244 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1245 [supports=no]) 1246 AC_LANG_POP([C]) 1247 CFLAGS="$saved_cflags" 1248 1249 AC_MSG_RESULT([$supports]) 1250 if test "x$supports" = "xyes" ; then 1251 : 1252 ARG_IF_TRUE 1253 else 1254 : 1255 ARG_IF_FALSE 1256 fi 1257]) 1258 1259# FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1260# IF_FALSE: [RUN-IF-FALSE]) 1261# ------------------------------------------------------------ 1262# Check that the C++ compiler supports an argument 1263BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS], 1264 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1265[ 1266 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"]) 1267 supports=yes 1268 1269 saved_cxxflags="$CXXFLAGS" 1270 CXXFLAGS="$CXXFLAG ARG_ARGUMENT" 1271 AC_LANG_PUSH([C++]) 1272 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 1273 [supports=no]) 1274 AC_LANG_POP([C++]) 1275 CXXFLAGS="$saved_cxxflags" 1276 1277 AC_MSG_RESULT([$supports]) 1278 if test "x$supports" = "xyes" ; then 1279 : 1280 ARG_IF_TRUE 1281 else 1282 : 1283 ARG_IF_FALSE 1284 fi 1285]) 1286 1287# FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1288# IF_FALSE: [RUN-IF-FALSE]) 1289# ------------------------------------------------------------ 1290# Check that the C and C++ compilers support an argument 1291BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS], 1292 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1293[ 1294 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1295 IF_TRUE: [C_COMP_SUPPORTS="yes"], 1296 IF_FALSE: [C_COMP_SUPPORTS="no"]) 1297 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT], 1298 IF_TRUE: [CXX_COMP_SUPPORTS="yes"], 1299 IF_FALSE: [CXX_COMP_SUPPORTS="no"]) 1300 1301 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"]) 1302 supports=no 1303 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi 1304 1305 AC_MSG_RESULT([$supports]) 1306 if test "x$supports" = "xyes" ; then 1307 : 1308 ARG_IF_TRUE 1309 else 1310 : 1311 ARG_IF_FALSE 1312 fi 1313]) 1314 1315# FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE], 1316# IF_FALSE: [RUN-IF-FALSE]) 1317# ------------------------------------------------------------ 1318# Check that the linker support an argument 1319BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS], 1320 [*ARGUMENT IF_TRUE IF_FALSE], [$@], 1321[ 1322 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"]) 1323 supports=yes 1324 1325 saved_ldflags="$LDFLAGS" 1326 LDFLAGS="$LDFLAGS ARG_ARGUMENT" 1327 AC_LANG_PUSH([C]) 1328 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 1329 [], [supports=no]) 1330 AC_LANG_POP([C]) 1331 LDFLAGS="$saved_ldflags" 1332 1333 AC_MSG_RESULT([$supports]) 1334 if test "x$supports" = "xyes" ; then 1335 : 1336 ARG_IF_TRUE 1337 else 1338 : 1339 ARG_IF_FALSE 1340 fi 1341]) 1342 1343AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 1344[ 1345 # Some Zero and Shark settings. 1346 # ZERO_ARCHFLAG tells the compiler which mode to build for 1347 case "${OPENJDK_TARGET_CPU}" in 1348 s390) 1349 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 1350 ;; 1351 *) 1352 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 1353 esac 1354 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""]) 1355 AC_SUBST(ZERO_ARCHFLAG) 1356 1357 # Check that the compiler supports -mX (or -qX on AIX) flags 1358 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 1359 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 1360 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 1361 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 1362 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 1363 1364 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 1365 [do not consider native warnings to be an error @<:@enabled@:>@])]) 1366 1367 AC_MSG_CHECKING([if native warnings are errors]) 1368 if test "x$enable_warnings_as_errors" = "xyes"; then 1369 AC_MSG_RESULT([yes (explicitely set)]) 1370 WARNINGS_AS_ERRORS=true 1371 elif test "x$enable_warnings_as_errors" = "xno"; then 1372 AC_MSG_RESULT([no]) 1373 WARNINGS_AS_ERRORS=false 1374 elif test "x$enable_warnings_as_errors" = "x"; then 1375 AC_MSG_RESULT([yes (default)]) 1376 WARNINGS_AS_ERRORS=true 1377 else 1378 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 1379 fi 1380 1381 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 1382 # Set legacy hotspot variable 1383 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 1384 else 1385 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 1386 fi 1387 1388 AC_SUBST(WARNINGS_AS_ERRORS) 1389 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 1390 1391 case "${TOOLCHAIN_TYPE}" in 1392 microsoft) 1393 DISABLE_WARNING_PREFIX="-wd" 1394 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 1395 ;; 1396 solstudio) 1397 DISABLE_WARNING_PREFIX="-erroff=" 1398 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 1399 ;; 1400 gcc) 1401 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 1402 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1403 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true], 1404 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false] 1405 ) 1406 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1407 DISABLE_WARNING_PREFIX="-Wno-" 1408 else 1409 DISABLE_WARNING_PREFIX= 1410 fi 1411 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1412 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset 1413 # CFLAGS since any target specific flags will likely not work with the 1414 # build compiler 1415 CC_OLD="$CC" 1416 CXX_OLD="$CXX" 1417 CC="$BUILD_CC" 1418 CXX="$BUILD_CXX" 1419 CFLAGS_OLD="$CFLAGS" 1420 CFLAGS="" 1421 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist], 1422 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1423 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1424 ) 1425 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1426 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1427 else 1428 BUILD_CC_DISABLE_WARNING_PREFIX= 1429 fi 1430 CC="$CC_OLD" 1431 CXX="$CXX_OLD" 1432 CFLAGS="$CFLAGS_OLD" 1433 ;; 1434 clang) 1435 DISABLE_WARNING_PREFIX="-Wno-" 1436 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1437 ;; 1438 xlc) 1439 DISABLE_WARNING_PREFIX="-qsuppress=" 1440 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w" 1441 ;; 1442 esac 1443 AC_SUBST(DISABLE_WARNING_PREFIX) 1444 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX) 1445 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1446]) 1447 1448# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX]) 1449# Arguments: 1450# $1 - Optional prefix for each variable defined. 1451AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS], 1452[ 1453 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code 1454 # runs afoul of the more aggressive versions of these optimisations. 1455 # Notably, value range propagation now assumes that the this pointer of C++ 1456 # member functions is non-null. 1457 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks" 1458 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1459 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror], 1460 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""]) 1461 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse" 1462 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation 1463 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror], 1464 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""]) 1465 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}]) 1466 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1467 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}" 1468]) 1469