flags.m4 revision 1879:a332a34cdc35
1# 2# Copyright (c) 2011, 2015, 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 $EXTRA_LDFLAGS" 59 60 AC_SUBST(LEGACY_EXTRA_CFLAGS) 61 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 62 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 63 64 # The global CFLAGS and LDLAGS variables are used by configure tests and 65 # should include the extra parameters 66 CFLAGS="$EXTRA_CFLAGS" 67 CXXFLAGS="$EXTRA_CXXFLAGS" 68 LDFLAGS="$EXTRA_LDFLAGS" 69 CPPFLAGS="" 70]) 71 72# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 73# that configure can use them while detecting compilers. 74# TOOLCHAIN_TYPE is available here. 75# Param 1 - Optional prefix to all variables. (e.g BUILD_) 76AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 77[ 78 if test "x[$]$1SYSROOT" != "x"; then 79 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 80 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 81 # Solaris Studio does not have a concept of sysroot. Instead we must 82 # make sure the default include and lib dirs are appended to each 83 # compile and link command line. 84 $1SYSROOT_CFLAGS="-I[$]$1SYSROOT/usr/include" 85 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 86 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 87 -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 88 fi 89 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 90 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 91 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 92 elif test "x$TOOLCHAIN_TYPE" = xclang; then 93 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 94 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 95 fi 96 # Propagate the sysroot args to hotspot 97 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 98 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 99 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 100 # The global CFLAGS and LDFLAGS variables need these for configure to function 101 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 102 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 103 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 104 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 105 fi 106 107 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 108 # We also need -iframework<path>/System/Library/Frameworks 109 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 110 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 111 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 112 # set this here so it doesn't have to be peppered throughout the forest 113 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 114 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 115 fi 116 117 AC_SUBST($1SYSROOT_CFLAGS) 118 AC_SUBST($1SYSROOT_LDFLAGS) 119]) 120 121AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 122[ 123 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 124 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 125 if test "x$TOOLCHAIN_TYPE" = xxlc; then 126 COMPILER_TARGET_BITS_FLAG="-q" 127 COMPILER_COMMAND_FILE_FLAG="-f" 128 else 129 COMPILER_TARGET_BITS_FLAG="-m" 130 COMPILER_COMMAND_FILE_FLAG="@" 131 fi 132 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 133 AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 134 135 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 136 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 137 ARFLAGS="-r" 138 elif test "x$OPENJDK_TARGET_OS" = xaix; then 139 ARFLAGS="-X64" 140 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 141 # lib.exe is used as AR to create static libraries. 142 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 143 else 144 ARFLAGS="" 145 fi 146 AC_SUBST(ARFLAGS) 147 148 ## Setup strip. 149 # FIXME: should this really be per platform, or should it be per toolchain type? 150 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 151 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 152 if test "x$OPENJDK_TARGET_OS" = xlinux; then 153 STRIPFLAGS="-g" 154 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 155 STRIPFLAGS="-x" 156 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 157 STRIPFLAGS="-S" 158 elif test "x$OPENJDK_TARGET_OS" = xaix; then 159 STRIPFLAGS="-X32_64" 160 fi 161 162 AC_SUBST(STRIPFLAGS) 163 164 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 165 CC_OUT_OPTION=-Fo 166 EXE_OUT_OPTION=-out: 167 LD_OUT_OPTION=-out: 168 AR_OUT_OPTION=-out: 169 else 170 # The option used to specify the target .o,.a or .so file. 171 # When compiling, how to specify the to be created object file. 172 CC_OUT_OPTION='-o$(SPACE)' 173 # When linking, how to specify the to be created executable. 174 EXE_OUT_OPTION='-o$(SPACE)' 175 # When linking, how to specify the to be created dynamically linkable library. 176 LD_OUT_OPTION='-o$(SPACE)' 177 # When archiving, how to specify the to be create static archive for object files. 178 AR_OUT_OPTION='rcs$(SPACE)' 179 fi 180 AC_SUBST(CC_OUT_OPTION) 181 AC_SUBST(EXE_OUT_OPTION) 182 AC_SUBST(LD_OUT_OPTION) 183 AC_SUBST(AR_OUT_OPTION) 184 185 # On Windows, we need to set RC flags. 186 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 187 RC_FLAGS="-nologo -l0x409" 188 if test "x$VARIANT" = xOPT; then 189 RC_FLAGS="$RC_FLAGS -DNDEBUG" 190 fi 191 192 # The version variables used to create RC_FLAGS may be overridden 193 # in a custom configure script, or possibly the command line. 194 # Let those variables be expanded at make time in spec.gmk. 195 # The \$ are escaped to the shell, and the $(...) variables 196 # are evaluated by make. 197 RC_FLAGS="$RC_FLAGS \ 198 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 199 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 200 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 201 -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 202 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 203 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 204 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 205 fi 206 AC_SUBST(RC_FLAGS) 207 208 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 209 # silence copyright notice and other headers. 210 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 211 fi 212]) 213 214AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 215[ 216 ############################################################################### 217 # 218 # How to compile shared libraries. 219 # 220 221 if test "x$TOOLCHAIN_TYPE" = xgcc; then 222 PICFLAG="-fPIC" 223 C_FLAG_REORDER='' 224 CXX_FLAG_REORDER='' 225 226 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 227 # Linking is different on MacOSX 228 if test "x$STATIC_BUILD" = xtrue; then 229 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 230 else 231 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 232 fi 233 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 234 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 235 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 236 SET_SHARED_LIBRARY_MAPFILE='' 237 else 238 # Default works for linux, might work on other platforms as well. 239 SHARED_LIBRARY_FLAGS='-shared' 240 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 241 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 242 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 243 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 244 fi 245 elif test "x$TOOLCHAIN_TYPE" = xclang; then 246 C_FLAG_REORDER='' 247 CXX_FLAG_REORDER='' 248 249 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 250 # Linking is different on MacOSX 251 PICFLAG='' 252 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 253 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 254 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 255 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 256 SET_SHARED_LIBRARY_MAPFILE='' 257 else 258 # Default works for linux, might work on other platforms as well. 259 PICFLAG='-fPIC' 260 SHARED_LIBRARY_FLAGS='-shared' 261 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 262 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 263 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 264 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 265 fi 266 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 267 PICFLAG="-KPIC" 268 C_FLAG_REORDER='-xF' 269 CXX_FLAG_REORDER='-xF' 270 SHARED_LIBRARY_FLAGS="-G" 271 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 272 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 273 SET_SHARED_LIBRARY_NAME='-h [$]1' 274 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 275 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 276 PICFLAG="-qpic=large" 277 C_FLAG_REORDER='' 278 CXX_FLAG_REORDER='' 279 SHARED_LIBRARY_FLAGS="-qmkshrobj" 280 SET_EXECUTABLE_ORIGIN="" 281 SET_SHARED_LIBRARY_ORIGIN='' 282 SET_SHARED_LIBRARY_NAME='' 283 SET_SHARED_LIBRARY_MAPFILE='' 284 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 285 PICFLAG="" 286 C_FLAG_REORDER='' 287 CXX_FLAG_REORDER='' 288 SHARED_LIBRARY_FLAGS="-dll" 289 SET_EXECUTABLE_ORIGIN='' 290 SET_SHARED_LIBRARY_ORIGIN='' 291 SET_SHARED_LIBRARY_NAME='' 292 SET_SHARED_LIBRARY_MAPFILE='' 293 fi 294 295 AC_SUBST(C_FLAG_REORDER) 296 AC_SUBST(CXX_FLAG_REORDER) 297 AC_SUBST(SET_EXECUTABLE_ORIGIN) 298 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 299 AC_SUBST(SET_SHARED_LIBRARY_NAME) 300 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 301 AC_SUBST(SHARED_LIBRARY_FLAGS) 302 303 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 304 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 305 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 306 CFLAGS_JDKLIB_EXTRA='-xstrconst' 307 fi 308 # The (cross) compiler is now configured, we can now test capabilities 309 # of the target platform. 310]) 311 312# Documentation on common flags used for solstudio in HIGHEST. 313# 314# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 315# done with care, there are some assumptions below that need to 316# be understood about the use of pointers, and IEEE behavior. 317# 318# -fns: Use non-standard floating point mode (not IEEE 754) 319# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 320# -fsingle: Use single precision floating point with 'float' 321# -xalias_level=basic: Assume memory references via basic pointer types do not alias 322# (Source with excessing pointer casting and data access with mixed 323# pointer types are not recommended) 324# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 325# (If you expect perfect errno behavior, do not use this) 326# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 327# -xrestrict: Pointer parameters to functions do not overlap 328# (Similar to -xalias_level=basic usage, but less obvious sometimes. 329# If you pass in multiple pointers to the same data, do not use this) 330# -xlibmil: Inline some library routines 331# (If you expect perfect errno behavior, do not use this) 332# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 333# (If you expect perfect errno behavior, do not use this) 334# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 335 336 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 337 # Bug? 338 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 339 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 340 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 341 #fi 342 343AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 344[ 345 346 ############################################################################### 347 # 348 # Setup the opt flags for different compilers 349 # and different operating systems. 350 # 351 352 # FIXME: this was indirectly the old default, but just inherited. 353 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 354 # C_FLAG_DEPS="-MMD -MF" 355 # fi 356 357 # Generate make dependency files 358 if test "x$TOOLCHAIN_TYPE" = xgcc; then 359 C_FLAG_DEPS="-MMD -MF" 360 elif test "x$TOOLCHAIN_TYPE" = xclang; then 361 C_FLAG_DEPS="-MMD -MF" 362 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 363 C_FLAG_DEPS="-xMMD -xMF" 364 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 365 C_FLAG_DEPS="-qmakedep=gcc -MF" 366 fi 367 CXX_FLAG_DEPS="$C_FLAG_DEPS" 368 AC_SUBST(C_FLAG_DEPS) 369 AC_SUBST(CXX_FLAG_DEPS) 370 371 # Debug symbols 372 if test "x$TOOLCHAIN_TYPE" = xgcc; then 373 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 374 # reduce from default "-g2" option to save space 375 CFLAGS_DEBUG_SYMBOLS="-g1" 376 CXXFLAGS_DEBUG_SYMBOLS="-g1" 377 else 378 CFLAGS_DEBUG_SYMBOLS="-g" 379 CXXFLAGS_DEBUG_SYMBOLS="-g" 380 fi 381 elif test "x$TOOLCHAIN_TYPE" = xclang; then 382 CFLAGS_DEBUG_SYMBOLS="-g" 383 CXXFLAGS_DEBUG_SYMBOLS="-g" 384 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 385 CFLAGS_DEBUG_SYMBOLS="-g -xs" 386 # FIXME: likely a bug, this disables debug symbols rather than enables them 387 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 388 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 389 CFLAGS_DEBUG_SYMBOLS="-g" 390 CXXFLAGS_DEBUG_SYMBOLS="-g" 391 fi 392 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 393 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 394 395 # bounds, memory and behavior checking options 396 if test "x$TOOLCHAIN_TYPE" = xgcc; then 397 case $DEBUG_LEVEL in 398 release ) 399 # no adjustment 400 ;; 401 fastdebug ) 402 # no adjustment 403 ;; 404 slowdebug ) 405 # Add runtime stack smashing and undefined behavior checks. 406 # Not all versions of gcc support -fstack-protector 407 STACK_PROTECTOR_CFLAG="-fstack-protector-all" 408 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 409 410 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 411 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 412 ;; 413 esac 414 fi 415 416 # Optimization levels 417 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 418 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 419 420 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 421 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 422 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 423 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 424 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 425 C_O_FLAG_DEBUG="-xregs=no%frameptr" 426 C_O_FLAG_NONE="-xregs=no%frameptr" 427 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 428 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 429 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 430 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 431 CXX_O_FLAG_NONE="-xregs=no%frameptr" 432 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 433 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 434 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 435 fi 436 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 437 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 438 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 439 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 440 C_O_FLAG_DEBUG="" 441 C_O_FLAG_NONE="" 442 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 443 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 444 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 445 C_O_FLAG_DEBUG="" 446 CXX_O_FLAG_NONE="" 447 fi 448 else 449 # The remaining toolchains share opt flags between CC and CXX; 450 # setup for C and duplicate afterwards. 451 if test "x$TOOLCHAIN_TYPE" = xgcc; then 452 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 453 # On MacOSX we optimize for size, something 454 # we should do for all platforms? 455 C_O_FLAG_HIGHEST="-Os" 456 C_O_FLAG_HI="-Os" 457 C_O_FLAG_NORM="-Os" 458 else 459 C_O_FLAG_HIGHEST="-O3" 460 C_O_FLAG_HI="-O3" 461 C_O_FLAG_NORM="-O2" 462 fi 463 C_O_FLAG_DEBUG="-O0" 464 C_O_FLAG_NONE="-O0" 465 elif test "x$TOOLCHAIN_TYPE" = xclang; then 466 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 467 # On MacOSX we optimize for size, something 468 # we should do for all platforms? 469 C_O_FLAG_HIGHEST="-Os" 470 C_O_FLAG_HI="-Os" 471 C_O_FLAG_NORM="-Os" 472 else 473 C_O_FLAG_HIGHEST="-O3" 474 C_O_FLAG_HI="-O3" 475 C_O_FLAG_NORM="-O2" 476 fi 477 C_O_FLAG_DEBUG="-O0" 478 C_O_FLAG_NONE="-O0" 479 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 480 C_O_FLAG_HIGHEST="-O3" 481 C_O_FLAG_HI="-O3 -qstrict" 482 C_O_FLAG_NORM="-O2" 483 C_O_FLAG_DEBUG="-qnoopt" 484 C_O_FLAG_NONE="-qnoopt" 485 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 486 C_O_FLAG_HIGHEST="-O2" 487 C_O_FLAG_HI="-O1" 488 C_O_FLAG_NORM="-O1" 489 C_O_FLAG_DEBUG="-Od" 490 C_O_FLAG_NONE="-Od" 491 fi 492 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 493 CXX_O_FLAG_HI="$C_O_FLAG_HI" 494 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 495 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 496 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 497 fi 498 499 # Adjust optimization flags according to debug level. 500 case $DEBUG_LEVEL in 501 release ) 502 # no adjustment 503 ;; 504 fastdebug ) 505 # Not quite so much optimization 506 C_O_FLAG_HI="$C_O_FLAG_NORM" 507 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 508 ;; 509 slowdebug ) 510 # Disable optimization 511 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 512 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 513 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 514 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 515 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 516 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 517 ;; 518 esac 519 520 AC_SUBST(C_O_FLAG_HIGHEST) 521 AC_SUBST(C_O_FLAG_HI) 522 AC_SUBST(C_O_FLAG_NORM) 523 AC_SUBST(C_O_FLAG_DEBUG) 524 AC_SUBST(C_O_FLAG_NONE) 525 AC_SUBST(CXX_O_FLAG_HIGHEST) 526 AC_SUBST(CXX_O_FLAG_HI) 527 AC_SUBST(CXX_O_FLAG_NORM) 528 AC_SUBST(CXX_O_FLAG_DEBUG) 529 AC_SUBST(CXX_O_FLAG_NONE) 530]) 531 532AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 533[ 534 # Special extras... 535 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 536 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 537 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 538 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 539 fi 540 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 541 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 542 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 543 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 544 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 545 fi 546 547 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 548 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 549 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 550 551 ############################################################################### 552 # 553 # Now setup the CFLAGS and LDFLAGS for the JDK build. 554 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 555 # 556 557 # Setup compiler/platform specific flags into 558 # CFLAGS_JDK - C Compiler flags 559 # CXXFLAGS_JDK - C++ Compiler flags 560 # COMMON_CCXXFLAGS_JDK - common to C and C++ 561 if test "x$TOOLCHAIN_TYPE" = xgcc; then 562 if test "x$OPENJDK_TARGET_CPU" = xx86; then 563 # Force compatibility with i586 on 32 bit intel platforms. 564 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 565 fi 566 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 567 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 568 case $OPENJDK_TARGET_CPU_ARCH in 569 arm ) 570 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 571 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 572 ;; 573 ppc ) 574 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 575 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 576 ;; 577 * ) 578 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 579 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 580 ;; 581 esac 582 elif test "x$TOOLCHAIN_TYPE" = xclang; then 583 if test "x$OPENJDK_TARGET_OS" = xlinux; then 584 if test "x$OPENJDK_TARGET_CPU" = xx86; then 585 # Force compatibility with i586 on 32 bit intel platforms. 586 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 587 fi 588 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 589 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 590 case $OPENJDK_TARGET_CPU_ARCH in 591 ppc ) 592 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 593 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 594 ;; 595 * ) 596 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 597 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 598 ;; 599 esac 600 fi 601 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 602 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 603 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 604 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 605 fi 606 607 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 608 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 609 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 610 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 611 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 612 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 613 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 614 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 615 -DWIN32_LEAN_AND_MEAN \ 616 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 617 -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 618 -DWIN32 -DIAL" 619 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 620 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 621 else 622 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 623 fi 624 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 625 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 626 # studio. 627 if test "x$TOOLCHAIN_VERSION" = "x2010"; then 628 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 629 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 630 fi 631 fi 632 633 ############################################################################### 634 635 # Adjust flags according to debug level. 636 case $DEBUG_LEVEL in 637 fastdebug | slowdebug ) 638 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 639 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 640 JAVAC_FLAGS="$JAVAC_FLAGS -g" 641 ;; 642 release ) 643 ;; 644 * ) 645 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 646 ;; 647 esac 648 649 # Setup LP64 650 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 651 652 # Set some common defines. These works for all compilers, but assume 653 # -D is universally accepted. 654 655 # Setup endianness 656 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 657 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 658 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 659 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 660 # Note: -Dmacro is the same as #define macro 1 661 # -Dmacro= is the same as #define macro 662 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 663 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 664 else 665 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 666 fi 667 else 668 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 669 # are defined in the system? 670 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 671 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 672 else 673 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 674 fi 675 fi 676 677 # Setup target OS define. Use OS target name but in upper case. 678 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 679 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 680 681 # Setup target CPU 682 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 683 684 # Setup debug/release defines 685 if test "x$DEBUG_LEVEL" = xrelease; then 686 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 687 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 688 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 689 fi 690 else 691 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 692 fi 693 694 # Set some additional per-OS defines. 695 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 696 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 697 elif test "x$OPENJDK_TARGET_OS" = xaix; then 698 # FIXME: PPC64 should not be here. 699 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 700 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 701 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 702 fi 703 704 # Additional macosx handling 705 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 706 # Setting these parameters makes it an error to link to macosx APIs that are 707 # newer than the given OS version and makes the linked binaries compatible 708 # even if built on a newer version of the OS. 709 # The expected format is X.Y.Z 710 MACOSX_VERSION_MIN=10.7.0 711 AC_SUBST(MACOSX_VERSION_MIN) 712 713 # The macro takes the version with no dots, ex: 1070 714 # Let the flags variables get resolved in make for easier override on make 715 # command line. 716 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 717 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 718 fi 719 720 # Setup some hard coded includes 721 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 722 -I${JDK_TOPDIR}/src/java.base/share/native/include \ 723 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 724 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include \ 725 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 726 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava" 727 728 # The shared libraries are compiled using the picflag. 729 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 730 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 731 732 # Executable flags 733 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 734 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 735 736 AC_SUBST(CFLAGS_JDKLIB) 737 AC_SUBST(CFLAGS_JDKEXE) 738 AC_SUBST(CXXFLAGS_JDKLIB) 739 AC_SUBST(CXXFLAGS_JDKEXE) 740 741 # Flags for compiling test libraries 742 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 743 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 744 745 # Flags for compiling test executables 746 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 747 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 748 749 AC_SUBST(CFLAGS_TESTLIB) 750 AC_SUBST(CFLAGS_TESTEXE) 751 AC_SUBST(CXXFLAGS_TESTLIB) 752 AC_SUBST(CXXFLAGS_TESTEXE) 753 754 # Setup LDFLAGS et al. 755 # 756 757 # Now this is odd. The JDK native libraries have to link against libjvm.so 758 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 759 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 760 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 761 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 762 # libraries will link to whatever is in memory. Yuck. 763 # 764 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 765 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 766 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 767 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 768 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 769 fi 770 # TODO: make -debug optional "--disable-full-debug-symbols" 771 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 772 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 773 # If this is a --hash-style=gnu system, use --hash-style=both, why? 774 # We have previously set HAS_GNU_HASH if this is the case 775 if test -n "$HAS_GNU_HASH"; then 776 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,--hash-style=both" 777 fi 778 if test "x$OPENJDK_TARGET_OS" = xlinux; then 779 # And since we now know that the linker is gnu, then add -z defs, to forbid 780 # undefined symbols in object files. 781 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-z,defs" 782 case $DEBUG_LEVEL in 783 release ) 784 # tell linker to optimize libraries. 785 # Should this be supplied to the OSS linker as well? 786 LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-O1" 787 ;; 788 slowdebug ) 789 if test "x$HAS_LINKER_NOW" = "xtrue"; then 790 # do relocations at load 791 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 792 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 793 fi 794 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 795 # mark relocations read only 796 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 797 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 798 fi 799 ;; 800 fastdebug ) 801 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 802 # mark relocations read only 803 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 804 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 805 fi 806 ;; 807 * ) 808 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 809 ;; 810 esac 811 fi 812 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 813 LDFLAGS_JDK="$LDFLAGS_JDK -Wl,-z,defs -xildoff -ztext" 814 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 815 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 816 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -bexpall -bernotok" 817 fi 818 819 # Customize LDFLAGS for executables 820 821 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 822 823 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 824 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 825 LDFLAGS_STACK_SIZE=1048576 826 else 827 LDFLAGS_STACK_SIZE=327680 828 fi 829 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 830 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 831 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 832 fi 833 834 # Customize LDFLAGS for libs 835 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 836 837 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 838 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 839 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 840 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 841 JDKLIB_LIBS="" 842 else 843 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 844 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 845 846 # On some platforms (mac) the linker warns about non existing -L dirs. 847 # Add server first if available. Linking aginst client does not always produce the same results. 848 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 849 # Default to server for other variants. 850 if test "x$JVM_VARIANT_SERVER" = xtrue; then 851 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 852 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 853 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 854 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 855 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 856 else 857 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 858 fi 859 860 JDKLIB_LIBS="-ljava -ljvm" 861 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 862 JDKLIB_LIBS="$JDKLIB_LIBS -lc" 863 fi 864 fi 865 866 AC_SUBST(LDFLAGS_JDKLIB) 867 AC_SUBST(LDFLAGS_JDKEXE) 868 AC_SUBST(JDKLIB_LIBS) 869 AC_SUBST(JDKEXE_LIBS) 870 AC_SUBST(LDFLAGS_CXX_JDK) 871 872 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 873 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 874 875 AC_SUBST(LDFLAGS_TESTLIB) 876 AC_SUBST(LDFLAGS_TESTEXE) 877]) 878 879# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 880# [RUN-IF-FALSE]) 881# ------------------------------------------------------------ 882# Check that the c and c++ compilers support an argument 883AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 884[ 885 AC_MSG_CHECKING([if compiler supports "$1"]) 886 supports=yes 887 888 saved_cflags="$CFLAGS" 889 CFLAGS="$CFLAGS $1" 890 AC_LANG_PUSH([C]) 891 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 892 [supports=no]) 893 AC_LANG_POP([C]) 894 CFLAGS="$saved_cflags" 895 896 saved_cxxflags="$CXXFLAGS" 897 CXXFLAGS="$CXXFLAG $1" 898 AC_LANG_PUSH([C++]) 899 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 900 [supports=no]) 901 AC_LANG_POP([C++]) 902 CXXFLAGS="$saved_cxxflags" 903 904 AC_MSG_RESULT([$supports]) 905 if test "x$supports" = "xyes" ; then 906 m4_ifval([$2], [$2], [:]) 907 else 908 m4_ifval([$3], [$3], [:]) 909 fi 910]) 911 912# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 913# [RUN-IF-FALSE]) 914# ------------------------------------------------------------ 915# Check that the linker support an argument 916AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 917[ 918 AC_MSG_CHECKING([if linker supports "$1"]) 919 supports=yes 920 921 saved_ldflags="$LDFLAGS" 922 LDFLAGS="$LDFLAGS $1" 923 AC_LANG_PUSH([C]) 924 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 925 [], [supports=no]) 926 AC_LANG_POP([C]) 927 LDFLAGS="$saved_ldflags" 928 929 AC_MSG_RESULT([$supports]) 930 if test "x$supports" = "xyes" ; then 931 m4_ifval([$2], [$2], [:]) 932 else 933 m4_ifval([$3], [$3], [:]) 934 fi 935]) 936 937AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 938[ 939 # Some Zero and Shark settings. 940 # ZERO_ARCHFLAG tells the compiler which mode to build for 941 case "${OPENJDK_TARGET_CPU}" in 942 s390) 943 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 944 ;; 945 *) 946 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 947 esac 948 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 949 AC_SUBST(ZERO_ARCHFLAG) 950 951 # Check that the compiler supports -mX (or -qX on AIX) flags 952 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 953 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 954 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 955 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 956 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 957 958 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 959 [do not consider native warnings to be an error @<:@enabled@:>@])]) 960 961 AC_MSG_CHECKING([if native warnings are errors]) 962 if test "x$enable_warnings_as_errors" = "xyes"; then 963 AC_MSG_RESULT([yes (explicitely set)]) 964 WARNINGS_AS_ERRORS=true 965 elif test "x$enable_warnings_as_errors" = "xno"; then 966 AC_MSG_RESULT([no]) 967 WARNINGS_AS_ERRORS=false 968 elif test "x$enable_warnings_as_errors" = "x"; then 969 AC_MSG_RESULT([yes (default)]) 970 WARNINGS_AS_ERRORS=true 971 else 972 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 973 fi 974 975 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 976 # Set legacy hotspot variable 977 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 978 else 979 HOTSPOT_SET_WARNINGS_AS_ERRORS="" 980 fi 981 982 AC_SUBST(WARNINGS_AS_ERRORS) 983 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 984 985 case "${TOOLCHAIN_TYPE}" in 986 microsoft) 987 DISABLE_WARNING_PREFIX="-wd" 988 CFLAGS_WARNINGS_ARE_ERRORS="-WX" 989 ;; 990 solstudio) 991 DISABLE_WARNING_PREFIX="-erroff=" 992 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 993 ;; 994 gcc) 995 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 996 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 997 [GCC_CAN_DISABLE_WARNINGS=true], 998 [GCC_CAN_DISABLE_WARNINGS=false] 999 ) 1000 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1001 DISABLE_WARNING_PREFIX="-Wno-" 1002 else 1003 DISABLE_WARNING_PREFIX= 1004 fi 1005 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1006 # Repeate the check for the BUILD_CC 1007 CC_OLD="$CC" 1008 CC="$BUILD_CC" 1009 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 1010 [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1011 [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1012 ) 1013 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1014 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1015 else 1016 BUILD_CC_DISABLE_WARNING_PREFIX= 1017 fi 1018 CC="$CC_OLD" 1019 ;; 1020 clang) 1021 DISABLE_WARNING_PREFIX="-Wno-" 1022 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1023 ;; 1024 esac 1025 AC_SUBST(DISABLE_WARNING_PREFIX) 1026 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1027]) 1028