flags.m4 revision 1070:77ee6827e0b2
1# 2# Copyright (c) 2011, 2014, 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 26AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 27[ 28 # Option used to tell the compiler whether to create 32- or 64-bit executables 29 if test "x$TOOLCHAIN_TYPE" = xxlc; then 30 COMPILER_TARGET_BITS_FLAG="-q" 31 else 32 COMPILER_TARGET_BITS_FLAG="-m" 33 fi 34 AC_SUBST(COMPILER_TARGET_BITS_FLAG) 35 36 # FIXME: figure out if we should select AR flags depending on OS or toolchain. 37 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 38 ARFLAGS="-r" 39 elif test "x$OPENJDK_TARGET_OS" = xaix; then 40 ARFLAGS="-X64" 41 elif test "x$OPENJDK_TARGET_OS" = xwindows; then 42 # lib.exe is used as AR to create static libraries. 43 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 44 else 45 ARFLAGS="" 46 fi 47 AC_SUBST(ARFLAGS) 48 49 ## Setup strip. 50 # FIXME: should this really be per platform, or should it be per toolchain type? 51 # strip is not provided by clang or solstudio; so guessing platform makes most sense. 52 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 53 if test "x$OPENJDK_TARGET_OS" = xlinux; then 54 STRIPFLAGS="-g" 55 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 56 STRIPFLAGS="-x" 57 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 58 STRIPFLAGS="-S" 59 elif test "x$OPENJDK_TARGET_OS" = xaix; then 60 STRIPFLAGS="-X32_64" 61 fi 62 63 if test "x$OPENJDK_TARGET_OS" != xwindows; then 64 POST_STRIP_CMD="$STRIP $STRIPFLAGS" 65 fi 66 AC_SUBST(POST_STRIP_CMD) 67 68 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 69 # FIXME: break out into MCSFLAGS 70 POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\"" 71 fi 72 AC_SUBST(POST_MCS_CMD) 73 74 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 75 CC_OUT_OPTION=-Fo 76 EXE_OUT_OPTION=-out: 77 LD_OUT_OPTION=-out: 78 AR_OUT_OPTION=-out: 79 else 80 # The option used to specify the target .o,.a or .so file. 81 # When compiling, how to specify the to be created object file. 82 CC_OUT_OPTION='-o$(SPACE)' 83 # When linking, how to specify the to be created executable. 84 EXE_OUT_OPTION='-o$(SPACE)' 85 # When linking, how to specify the to be created dynamically linkable library. 86 LD_OUT_OPTION='-o$(SPACE)' 87 # When archiving, how to specify the to be create static archive for object files. 88 AR_OUT_OPTION='rcs$(SPACE)' 89 fi 90 AC_SUBST(CC_OUT_OPTION) 91 AC_SUBST(EXE_OUT_OPTION) 92 AC_SUBST(LD_OUT_OPTION) 93 AC_SUBST(AR_OUT_OPTION) 94 95 # On Windows, we need to set RC flags. 96 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 97 RC_FLAGS="-nologo -l 0x409 -r" 98 if test "x$VARIANT" = xOPT; then 99 RC_FLAGS="$RC_FLAGS -d NDEBUG" 100 fi 101 102 # The version variables used to create RC_FLAGS may be overridden 103 # in a custom configure script, or possibly the command line. 104 # Let those variables be expanded at make time in spec.gmk. 105 # The \$ are escaped to the shell, and the $(...) variables 106 # are evaluated by make. 107 RC_FLAGS="$RC_FLAGS \ 108 -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \ 109 -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \ 110 -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 111 -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \ 112 -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 113 -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \ 114 -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\"" 115 fi 116 AC_SUBST(RC_FLAGS) 117 118 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 119 # silence copyright notice and other headers. 120 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 121 fi 122 123 if test "x$SYSROOT" != "x"; then 124 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 125 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 126 # Solaris Studio does not have a concept of sysroot. Instead we must 127 # make sure the default include and lib dirs are appended to each 128 # compile and link command line. 129 SYSROOT_CFLAGS="-I$SYSROOT/usr/include" 130 SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 131 -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 132 -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 133 fi 134 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 135 SYSROOT_CFLAGS="--sysroot=\"$SYSROOT\"" 136 SYSROOT_LDFLAGS="--sysroot=\"$SYSROOT\"" 137 elif test "x$TOOLCHAIN_TYPE" = xclang; then 138 SYSROOT_CFLAGS="-isysroot \"$SYSROOT\"" 139 SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\"" 140 fi 141 # Propagate the sysroot args to hotspot 142 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS" 143 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS" 144 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS" 145 fi 146 AC_SUBST(SYSROOT_CFLAGS) 147 AC_SUBST(SYSROOT_LDFLAGS) 148]) 149 150AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 151[ 152 ############################################################################### 153 # 154 # How to compile shared libraries. 155 # 156 157 if test "x$TOOLCHAIN_TYPE" = xgcc; then 158 PICFLAG="-fPIC" 159 C_FLAG_REORDER='' 160 CXX_FLAG_REORDER='' 161 162 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 163 # Linking is different on MacOSX 164 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 165 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 166 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 167 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 168 SET_SHARED_LIBRARY_MAPFILE='' 169 else 170 # Default works for linux, might work on other platforms as well. 171 SHARED_LIBRARY_FLAGS='-shared' 172 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 173 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 174 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 175 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 176 fi 177 elif test "x$TOOLCHAIN_TYPE" = xclang; then 178 PICFLAG='' 179 C_FLAG_REORDER='' 180 CXX_FLAG_REORDER='' 181 182 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 183 # Linking is different on MacOSX 184 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 185 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 186 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 187 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 188 SET_SHARED_LIBRARY_MAPFILE='' 189 else 190 # Default works for linux, might work on other platforms as well. 191 SHARED_LIBRARY_FLAGS='-shared' 192 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 193 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 194 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 195 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 196 fi 197 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 198 PICFLAG="-KPIC" 199 C_FLAG_REORDER='-xF' 200 CXX_FLAG_REORDER='-xF' 201 SHARED_LIBRARY_FLAGS="-G" 202 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 203 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 204 SET_SHARED_LIBRARY_NAME='' 205 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 206 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 207 PICFLAG="-qpic=large" 208 C_FLAG_REORDER='' 209 CXX_FLAG_REORDER='' 210 SHARED_LIBRARY_FLAGS="-qmkshrobj" 211 SET_EXECUTABLE_ORIGIN="" 212 SET_SHARED_LIBRARY_ORIGIN='' 213 SET_SHARED_LIBRARY_NAME='' 214 SET_SHARED_LIBRARY_MAPFILE='' 215 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 216 PICFLAG="" 217 C_FLAG_REORDER='' 218 CXX_FLAG_REORDER='' 219 SHARED_LIBRARY_FLAGS="-LD" 220 SET_EXECUTABLE_ORIGIN='' 221 SET_SHARED_LIBRARY_ORIGIN='' 222 SET_SHARED_LIBRARY_NAME='' 223 SET_SHARED_LIBRARY_MAPFILE='' 224 fi 225 226 AC_SUBST(C_FLAG_REORDER) 227 AC_SUBST(CXX_FLAG_REORDER) 228 AC_SUBST(SHARED_LIBRARY_FLAGS) 229 AC_SUBST(SET_EXECUTABLE_ORIGIN) 230 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 231 AC_SUBST(SET_SHARED_LIBRARY_NAME) 232 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 233 234 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 235 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 236 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 237 CFLAGS_JDKLIB_EXTRA='-xstrconst' 238 fi 239 # The (cross) compiler is now configured, we can now test capabilities 240 # of the target platform. 241]) 242 243# Documentation on common flags used for solstudio in HIGHEST. 244# 245# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 246# done with care, there are some assumptions below that need to 247# be understood about the use of pointers, and IEEE behavior. 248# 249# -fns: Use non-standard floating point mode (not IEEE 754) 250# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 251# -fsingle: Use single precision floating point with 'float' 252# -xalias_level=basic: Assume memory references via basic pointer types do not alias 253# (Source with excessing pointer casting and data access with mixed 254# pointer types are not recommended) 255# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 256# (If you expect perfect errno behavior, do not use this) 257# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 258# -xrestrict: Pointer parameters to functions do not overlap 259# (Similar to -xalias_level=basic usage, but less obvious sometimes. 260# If you pass in multiple pointers to the same data, do not use this) 261# -xlibmil: Inline some library routines 262# (If you expect perfect errno behavior, do not use this) 263# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 264# (If you expect perfect errno behavior, do not use this) 265# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 266 267 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 268 # Bug? 269 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 270 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 271 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 272 #fi 273 274AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 275[ 276 277 ############################################################################### 278 # 279 # Setup the opt flags for different compilers 280 # and different operating systems. 281 # 282 283 # FIXME: this was indirectly the old default, but just inherited. 284 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 285 # C_FLAG_DEPS="-MMD -MF" 286 # fi 287 288 # Generate make dependency files 289 if test "x$TOOLCHAIN_TYPE" = xgcc; then 290 C_FLAG_DEPS="-MMD -MF" 291 elif test "x$TOOLCHAIN_TYPE" = xclang; then 292 C_FLAG_DEPS="-MMD -MF" 293 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 294 C_FLAG_DEPS="-xMMD -xMF" 295 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 296 C_FLAG_DEPS="-qmakedep=gcc -MF" 297 fi 298 CXX_FLAG_DEPS="$C_FLAG_DEPS" 299 AC_SUBST(C_FLAG_DEPS) 300 AC_SUBST(CXX_FLAG_DEPS) 301 302 # Debug symbols 303 if test "x$TOOLCHAIN_TYPE" = xgcc; then 304 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 305 # reduce from default "-g2" option to save space 306 CFLAGS_DEBUG_SYMBOLS="-g1" 307 CXXFLAGS_DEBUG_SYMBOLS="-g1" 308 else 309 CFLAGS_DEBUG_SYMBOLS="-g" 310 CXXFLAGS_DEBUG_SYMBOLS="-g" 311 fi 312 elif test "x$TOOLCHAIN_TYPE" = xclang; then 313 CFLAGS_DEBUG_SYMBOLS="-g" 314 CXXFLAGS_DEBUG_SYMBOLS="-g" 315 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 316 CFLAGS_DEBUG_SYMBOLS="-g -xs" 317 # FIXME: likely a bug, this disables debug symbols rather than enables them 318 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 319 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 320 CFLAGS_DEBUG_SYMBOLS="-g" 321 CXXFLAGS_DEBUG_SYMBOLS="-g" 322 fi 323 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 324 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 325 326 # bounds, memory and behavior checking options 327 if test "x$TOOLCHAIN_TYPE" = xgcc; then 328 case $DEBUG_LEVEL in 329 release ) 330 # no adjustment 331 ;; 332 fastdebug ) 333 # Add compile time bounds checks. 334 CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1" 335 CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1" 336 ;; 337 slowdebug ) 338 # Add runtime bounds checks and symbol info. 339 CFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1" 340 CXXFLAGS_DEBUG_OPTIONS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1" 341 if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then 342 CFLAGS_DEBUG_OPTIONS="$CFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG" 343 CXXFLAGS_DEBUG_OPTIONS="$CXXFLAGS_DEBUG_OPTIONS $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG" 344 fi 345 ;; 346 esac 347 fi 348 AC_SUBST(CFLAGS_DEBUG_OPTIONS) 349 AC_SUBST(CXXFLAGS_DEBUG_OPTIONS) 350 351 # Optimization levels 352 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 353 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 354 355 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 356 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 357 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 358 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 359 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 360 C_O_FLAG_DEBUG="-xregs=no%frameptr" 361 C_O_FLAG_NONE="-xregs=no%frameptr" 362 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 363 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 364 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 365 CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 366 CXX_O_FLAG_NONE="-xregs=no%frameptr" 367 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 368 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 369 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 370 fi 371 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 372 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 373 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 374 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 375 C_O_FLAG_DEBUG="" 376 C_O_FLAG_NONE="" 377 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 378 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 379 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 380 C_O_FLAG_DEBUG="" 381 CXX_O_FLAG_NONE="" 382 fi 383 else 384 # The remaining toolchains share opt flags between CC and CXX; 385 # setup for C and duplicate afterwards. 386 if test "x$TOOLCHAIN_TYPE" = xgcc; then 387 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 388 # On MacOSX we optimize for size, something 389 # we should do for all platforms? 390 C_O_FLAG_HIGHEST="-Os" 391 C_O_FLAG_HI="-Os" 392 C_O_FLAG_NORM="-Os" 393 else 394 C_O_FLAG_HIGHEST="-O3" 395 C_O_FLAG_HI="-O3" 396 C_O_FLAG_NORM="-O2" 397 fi 398 if test "x$HAS_CFLAG_OPTIMIZE_DEBUG" = "xtrue"; then 399 C_O_FLAG_DEBUG="$CFLAG_OPTIMIZE_DEBUG_FLAG" 400 else 401 C_O_FLAG_DEBUG="-O0" 402 fi 403 C_O_FLAG_NONE="-O0" 404 elif test "x$TOOLCHAIN_TYPE" = xclang; then 405 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 406 # On MacOSX we optimize for size, something 407 # we should do for all platforms? 408 C_O_FLAG_HIGHEST="-Os" 409 C_O_FLAG_HI="-Os" 410 C_O_FLAG_NORM="-Os" 411 else 412 C_O_FLAG_HIGHEST="-O3" 413 C_O_FLAG_HI="-O3" 414 C_O_FLAG_NORM="-O2" 415 fi 416 C_O_FLAG_DEBUG="-O0" 417 C_O_FLAG_NONE="-O0" 418 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 419 C_O_FLAG_HIGHEST="-O3" 420 C_O_FLAG_HI="-O3 -qstrict" 421 C_O_FLAG_NORM="-O2" 422 C_O_FLAG_DEBUG="-qnoopt" 423 C_O_FLAG_NONE="-qnoop" 424 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 425 C_O_FLAG_HIGHEST="-O2" 426 C_O_FLAG_HI="-O1" 427 C_O_FLAG_NORM="-O1" 428 C_O_FLAG_DEBUG="-Od" 429 C_O_FLAG_NONE="-Od" 430 fi 431 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 432 CXX_O_FLAG_HI="$C_O_FLAG_HI" 433 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 434 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 435 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 436 fi 437 438 # Adjust optimization flags according to debug level. 439 case $DEBUG_LEVEL in 440 release ) 441 # no adjustment 442 ;; 443 fastdebug ) 444 # Not quite so much optimization 445 C_O_FLAG_HI="$C_O_FLAG_NORM" 446 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 447 ;; 448 slowdebug ) 449 # Disable optimization 450 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 451 C_O_FLAG_HI="$C_O_FLAG_DEBUG" 452 C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 453 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 454 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 455 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 456 ;; 457 esac 458 459 AC_SUBST(C_O_FLAG_HIGHEST) 460 AC_SUBST(C_O_FLAG_HI) 461 AC_SUBST(C_O_FLAG_NORM) 462 AC_SUBST(C_O_FLAG_DEBUG) 463 AC_SUBST(C_O_FLAG_NONE) 464 AC_SUBST(CXX_O_FLAG_HIGHEST) 465 AC_SUBST(CXX_O_FLAG_HI) 466 AC_SUBST(CXX_O_FLAG_NORM) 467 AC_SUBST(CXX_O_FLAG_DEBUG) 468 AC_SUBST(CXX_O_FLAG_NONE) 469]) 470 471AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 472[ 473 # Special extras... 474 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 475 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 476 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 477 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 478 fi 479 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 480 LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall" 481 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 482 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 483 fi 484 485 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 486 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 487 fi 488 489 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 490 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 491 fi 492 493 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 494 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 495 fi 496 497 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 498 [extra flags to be used when compiling jdk c-files])]) 499 500 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 501 [extra flags to be used when compiling jdk c++-files])]) 502 503 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 504 [extra flags to be used when linking jdk])]) 505 506 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags" 507 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags" 508 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags" 509 510 # Hotspot needs these set in their legacy form 511 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags" 512 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags" 513 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags" 514 515 AC_SUBST(LEGACY_EXTRA_CFLAGS) 516 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 517 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 518 519 ############################################################################### 520 # 521 # Now setup the CFLAGS and LDFLAGS for the JDK build. 522 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 523 # 524 525 # Setup compiler/platform specific flags into 526 # CFLAGS_JDK - C Compiler flags 527 # CXXFLAGS_JDK - C++ Compiler flags 528 # COMMON_CCXXFLAGS_JDK - common to C and C++ 529 if test "x$TOOLCHAIN_TYPE" = xgcc; then 530 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 531 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 532 case $OPENJDK_TARGET_CPU_ARCH in 533 arm ) 534 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 535 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 536 ;; 537 ppc ) 538 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 539 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 540 ;; 541 * ) 542 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 543 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 544 ;; 545 esac 546 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 547 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 548 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 549 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 550 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" 551 fi 552 553 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 554 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 555 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 556 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 557 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 558 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 559 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 560 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \ 561 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 562 -DWIN32 -DIAL" 563 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 564 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 565 else 566 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 567 fi 568 fi 569 570 ############################################################################### 571 572 # Adjust flags according to debug level. 573 case $DEBUG_LEVEL in 574 fastdebug | slowdebug ) 575 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 576 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 577 JAVAC_FLAGS="$JAVAC_FLAGS -g" 578 ;; 579 release ) 580 ;; 581 * ) 582 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 583 ;; 584 esac 585 586 # Setup LP64 587 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 588 589 # Set some common defines. These works for all compilers, but assume 590 # -D is universally accepted. 591 592 # Setup endianness 593 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 594 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 595 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 596 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 597 # Note: -Dmacro is the same as #define macro 1 598 # -Dmacro= is the same as #define macro 599 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 600 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 601 else 602 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 603 fi 604 else 605 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 606 # are defined in the system? 607 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 608 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 609 else 610 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 611 fi 612 fi 613 614 # Setup target OS define. Use OS target name but in upper case. 615 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 616 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 617 618 # Setup target CPU 619 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 620 621 # Setup debug/release defines 622 if test "x$DEBUG_LEVEL" = xrelease; then 623 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 624 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 625 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 626 fi 627 else 628 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 629 fi 630 631 # Setup release name 632 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 633 634 635 # Set some additional per-OS defines. 636 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 637 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 638 elif test "x$OPENJDK_TARGET_OS" = xaix; then 639 # FIXME: PPC64 should not be here. 640 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 641 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 642 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 643 fi 644 645 # Additional macosx handling 646 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 647 if test "x$TOOLCHAIN_TYPE" = xgcc; then 648 # FIXME: This needs to be exported in spec.gmk due to closed legacy code. 649 # FIXME: clean this up, and/or move it elsewhere. 650 651 # Setting these parameters makes it an error to link to macosx APIs that are 652 # newer than the given OS version and makes the linked binaries compatible 653 # even if built on a newer version of the OS. 654 # The expected format is X.Y.Z 655 MACOSX_VERSION_MIN=10.7.0 656 AC_SUBST(MACOSX_VERSION_MIN) 657 658 # The macro takes the version with no dots, ex: 1070 659 # Let the flags variables get resolved in make for easier override on make 660 # command line. 661 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 662 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 663 fi 664 fi 665 666 # Setup some hard coded includes 667 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 668 -I${JDK_OUTPUTDIR}/include \ 669 -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \ 670 -I${JDK_TOPDIR}/src/share/javavm/export \ 671 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \ 672 -I${JDK_TOPDIR}/src/share/native/common \ 673 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common" 674 675 # The shared libraries are compiled using the picflag. 676 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 677 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA " 678 679 # Executable flags 680 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 681 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 682 683 AC_SUBST(CFLAGS_JDKLIB) 684 AC_SUBST(CFLAGS_JDKEXE) 685 AC_SUBST(CXXFLAGS_JDKLIB) 686 AC_SUBST(CXXFLAGS_JDKEXE) 687 688 # Setup LDFLAGS et al. 689 # 690 691 # Now this is odd. The JDK native libraries have to link against libjvm.so 692 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 693 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 694 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 695 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 696 # libraries will link to whatever is in memory. Yuck. 697 # 698 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 699 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 700 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 701 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 702 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 703 fi 704 # TODO: make -debug optional "--disable-full-debug-symbols" 705 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 706 elif test "x$TOOLCHAIN_TYPE" = xgcc; then 707 # If this is a --hash-style=gnu system, use --hash-style=both, why? 708 # We have previously set HAS_GNU_HASH if this is the case 709 if test -n "$HAS_GNU_HASH"; then 710 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both" 711 fi 712 if test "x$OPENJDK_TARGET_OS" = xlinux; then 713 # And since we now know that the linker is gnu, then add -z defs, to forbid 714 # undefined symbols in object files. 715 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 716 case $DEBUG_LEVEL in 717 release ) 718 # tell linker to optimize libraries. 719 # Should this be supplied to the OSS linker as well? 720 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 721 ;; 722 slowdebug ) 723 if test "x$HAS_LINKER_NOW" = "xtrue"; then 724 # do relocations at load 725 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 726 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 727 fi 728 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 729 # mark relocations read only 730 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 731 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 732 fi 733 ;; 734 fastdebug ) 735 if test "x$HAS_LINKER_RELRO" = "xtrue"; then 736 # mark relocations read only 737 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 738 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 739 fi 740 ;; 741 * ) 742 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 743 ;; 744 esac 745 fi 746 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 747 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 748 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 749 fi 750 751 if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then 752 # If undefined behaviour detection is enabled then we need to tell linker. 753 case $DEBUG_LEVEL in 754 release | fastdebug ) 755 ;; 756 slowdebug ) 757 AC_MSG_WARN([$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR]) 758 if test "x$HAS_CFLAG_DETECT_UNDEFINED_BEHAVIOR" = "xtrue"; then 759 # enable undefined behaviour checking 760 LDFLAGS_JDK="$LDFLAGS_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`" 761 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK `$ECHO -n $CFLAG_DETECT_UNDEFINED_BEHAVIOR_FLAG | sed -e "s/[ ]*\([^ ]\+\)/ -Xlinker \1/g"`" 762 fi 763 ;; 764 * ) 765 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 766 ;; 767 esac 768 fi 769 770 # Customize LDFLAGS for executables 771 772 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 773 774 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 775 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 776 LDFLAGS_STACK_SIZE=1048576 777 else 778 LDFLAGS_STACK_SIZE=327680 779 fi 780 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 781 elif test "x$OPENJDK_TARGET_OS" = xlinux; then 782 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 783 fi 784 785 # Customize LDFLAGS for libs 786 LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 787 788 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 789 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${JDK_OUTPUTDIR}/lib" 790 LDFLAGS_JDKLIB_SUFFIX="" 791 else 792 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \ 793 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}" 794 795 # On some platforms (mac) the linker warns about non existing -L dirs. 796 # Add server first if available. Linking aginst client does not always produce the same results. 797 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 798 # Default to server for other variants. 799 if test "x$JVM_VARIANT_SERVER" = xtrue; then 800 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" 801 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 802 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client" 803 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 804 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 805 else 806 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" 807 fi 808 809 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 810 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 811 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 812 fi 813 fi 814 815 AC_SUBST(LDFLAGS_JDKLIB) 816 AC_SUBST(LDFLAGS_JDKEXE) 817 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 818 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 819 AC_SUBST(LDFLAGS_CXX_JDK) 820]) 821 822# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 823# [RUN-IF-FALSE]) 824# ------------------------------------------------------------ 825# Check that the c and c++ compilers support an argument 826AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 827[ 828 AC_MSG_CHECKING([if compiler supports "$1"]) 829 supports=yes 830 831 saved_cflags="$CFLAGS" 832 CFLAGS="$CFLAGS $1" 833 AC_LANG_PUSH([C]) 834 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 835 [supports=no]) 836 AC_LANG_POP([C]) 837 CFLAGS="$saved_cflags" 838 839 saved_cxxflags="$CXXFLAGS" 840 CXXFLAGS="$CXXFLAG $1" 841 AC_LANG_PUSH([C++]) 842 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 843 [supports=no]) 844 AC_LANG_POP([C++]) 845 CXXFLAGS="$saved_cxxflags" 846 847 AC_MSG_RESULT([$supports]) 848 if test "x$supports" = "xyes" ; then 849 m4_ifval([$2], [$2], [:]) 850 else 851 m4_ifval([$3], [$3], [:]) 852 fi 853]) 854 855# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 856# [RUN-IF-FALSE]) 857# ------------------------------------------------------------ 858# Check that the linker support an argument 859AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 860[ 861 AC_MSG_CHECKING([if linker supports "$1"]) 862 supports=yes 863 864 saved_ldflags="$LDFLAGS" 865 LDFLAGS="$LDFLAGS $1" 866 AC_LANG_PUSH([C]) 867 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 868 [], [supports=no]) 869 AC_LANG_POP([C]) 870 LDFLAGS="$saved_ldflags" 871 872 AC_MSG_RESULT([$supports]) 873 if test "x$supports" = "xyes" ; then 874 m4_ifval([$2], [$2], [:]) 875 else 876 m4_ifval([$3], [$3], [:]) 877 fi 878]) 879 880AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 881[ 882 # Some Zero and Shark settings. 883 # ZERO_ARCHFLAG tells the compiler which mode to build for 884 case "${OPENJDK_TARGET_CPU}" in 885 s390) 886 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 887 ;; 888 *) 889 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 890 esac 891 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 892 AC_SUBST(ZERO_ARCHFLAG) 893 894 # Check that the compiler supports -mX (or -qX on AIX) flags 895 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 896 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 897 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 898 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 899 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 900 901 case "${TOOLCHAIN_TYPE}" in 902 microsoft) 903 CFLAGS_WARNINGS_ARE_ERRORS="/WX" 904 ;; 905 solstudio) 906 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 907 ;; 908 gcc) 909 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 910 ;; 911 clang) 912 CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 913 ;; 914 esac 915 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 916]) 917