flags.m4 revision 984:08301f5e5780
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 # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX. 120 CCXXFLAGS="$CCXXFLAGS -nologo" 121 fi 122]) 123 124AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 125[ 126 ############################################################################### 127 # 128 # How to compile shared libraries. 129 # 130 131 if test "x$TOOLCHAIN_TYPE" = xgcc; then 132 PICFLAG="-fPIC" 133 C_FLAG_REORDER='' 134 CXX_FLAG_REORDER='' 135 136 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 137 # Linking is different on MacOSX 138 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 139 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.' 140 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 141 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 142 SET_SHARED_LIBRARY_MAPFILE='' 143 else 144 # Default works for linux, might work on other platforms as well. 145 SHARED_LIBRARY_FLAGS='-shared' 146 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1' 147 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN" 148 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1' 149 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1' 150 fi 151 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 152 PICFLAG="-KPIC" 153 C_FLAG_REORDER='-xF' 154 CXX_FLAG_REORDER='-xF' 155 SHARED_LIBRARY_FLAGS="-G" 156 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 157 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 158 SET_SHARED_LIBRARY_NAME='' 159 SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 160 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 161 PICFLAG="-qpic=large" 162 C_FLAG_REORDER='' 163 CXX_FLAG_REORDER='' 164 SHARED_LIBRARY_FLAGS="-qmkshrobj" 165 SET_EXECUTABLE_ORIGIN="" 166 SET_SHARED_LIBRARY_ORIGIN='' 167 SET_SHARED_LIBRARY_NAME='' 168 SET_SHARED_LIBRARY_MAPFILE='' 169 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 170 PICFLAG="" 171 C_FLAG_REORDER='' 172 CXX_FLAG_REORDER='' 173 SHARED_LIBRARY_FLAGS="-LD" 174 SET_EXECUTABLE_ORIGIN='' 175 SET_SHARED_LIBRARY_ORIGIN='' 176 SET_SHARED_LIBRARY_NAME='' 177 SET_SHARED_LIBRARY_MAPFILE='' 178 fi 179 180 AC_SUBST(C_FLAG_REORDER) 181 AC_SUBST(CXX_FLAG_REORDER) 182 AC_SUBST(SHARED_LIBRARY_FLAGS) 183 AC_SUBST(SET_EXECUTABLE_ORIGIN) 184 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 185 AC_SUBST(SET_SHARED_LIBRARY_NAME) 186 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 187 188 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 189 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 190 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 191 CFLAGS_JDKLIB_EXTRA='-xstrconst' 192 fi 193 # The (cross) compiler is now configured, we can now test capabilities 194 # of the target platform. 195]) 196 197# Documentation on common flags used for solstudio in HIGHEST. 198# 199# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 200# done with care, there are some assumptions below that need to 201# be understood about the use of pointers, and IEEE behavior. 202# 203# -fns: Use non-standard floating point mode (not IEEE 754) 204# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 205# -fsingle: Use single precision floating point with 'float' 206# -xalias_level=basic: Assume memory references via basic pointer types do not alias 207# (Source with excessing pointer casting and data access with mixed 208# pointer types are not recommended) 209# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 210# (If you expect perfect errno behavior, do not use this) 211# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 212# -xrestrict: Pointer parameters to functions do not overlap 213# (Similar to -xalias_level=basic usage, but less obvious sometimes. 214# If you pass in multiple pointers to the same data, do not use this) 215# -xlibmil: Inline some library routines 216# (If you expect perfect errno behavior, do not use this) 217# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 218# (If you expect perfect errno behavior, do not use this) 219# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 220 221 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 222 # Bug? 223 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 224 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 225 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 226 #fi 227 228AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 229[ 230 231 ############################################################################### 232 # 233 # Setup the opt flags for different compilers 234 # and different operating systems. 235 # 236 237 # FIXME: this was indirectly the old default, but just inherited. 238 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 239 # C_FLAG_DEPS="-MMD -MF" 240 # fi 241 242 # Generate make dependency files 243 if test "x$TOOLCHAIN_TYPE" = xgcc; then 244 C_FLAG_DEPS="-MMD -MF" 245 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 246 C_FLAG_DEPS="-xMMD -xMF" 247 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 248 C_FLAG_DEPS="-qmakedep=gcc -MF" 249 fi 250 CXX_FLAG_DEPS="$C_FLAG_DEPS" 251 AC_SUBST(C_FLAG_DEPS) 252 AC_SUBST(CXX_FLAG_DEPS) 253 254 # Debug symbols 255 if test "x$TOOLCHAIN_TYPE" = xgcc; then 256 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 257 CFLAGS_DEBUG_SYMBOLS="-g1" 258 CXXFLAGS_DEBUG_SYMBOLS="-g1" 259 else 260 CFLAGS_DEBUG_SYMBOLS="-g" 261 CXXFLAGS_DEBUG_SYMBOLS="-g" 262 fi 263 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 264 CFLAGS_DEBUG_SYMBOLS="-g -xs" 265 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 266 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 267 CFLAGS_DEBUG_SYMBOLS="-g" 268 CXXFLAGS_DEBUG_SYMBOLS="-g" 269 fi 270 AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 271 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 272 273 # Optimization levels 274 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 275 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 276 277 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 278 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 279 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 280 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 281 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 282 C_O_FLAG_NONE="-xregs=no%frameptr" 283 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 284 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 285 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 286 CXX_O_FLAG_NONE="-xregs=no%frameptr" 287 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 288 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 289 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 290 fi 291 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 292 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 293 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 294 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 295 C_O_FLAG_NONE="" 296 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 297 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 298 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 299 CXX_O_FLAG_NONE="" 300 fi 301 else 302 # The remaining toolchains share opt flags between CC and CXX; 303 # setup for C and duplicate afterwards. 304 if test "x$TOOLCHAIN_TYPE" = xgcc; then 305 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 306 # On MacOSX we optimize for size, something 307 # we should do for all platforms? 308 C_O_FLAG_HIGHEST="-Os" 309 C_O_FLAG_HI="-Os" 310 C_O_FLAG_NORM="-Os" 311 C_O_FLAG_NONE="" 312 else 313 C_O_FLAG_HIGHEST="-O3" 314 C_O_FLAG_HI="-O3" 315 C_O_FLAG_NORM="-O2" 316 C_O_FLAG_NONE="-O0" 317 fi 318 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 319 C_O_FLAG_HIGHEST="-O3" 320 C_O_FLAG_HI="-O3 -qstrict" 321 C_O_FLAG_NORM="-O2" 322 C_O_FLAG_NONE="" 323 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 324 C_O_FLAG_HIGHEST="-O2" 325 C_O_FLAG_HI="-O1" 326 C_O_FLAG_NORM="-O1" 327 C_O_FLAG_NONE="-Od" 328 fi 329 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 330 CXX_O_FLAG_HI="$C_O_FLAG_HI" 331 CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 332 CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 333 fi 334 335 AC_SUBST(C_O_FLAG_HIGHEST) 336 AC_SUBST(C_O_FLAG_HI) 337 AC_SUBST(C_O_FLAG_NORM) 338 AC_SUBST(C_O_FLAG_NONE) 339 AC_SUBST(CXX_O_FLAG_HIGHEST) 340 AC_SUBST(CXX_O_FLAG_HI) 341 AC_SUBST(CXX_O_FLAG_NORM) 342 AC_SUBST(CXX_O_FLAG_NONE) 343]) 344 345AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 346[ 347 # Special extras... 348 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 349 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 350 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 351 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 352 fi 353 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 354 LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall" 355 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 356 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt" 357 fi 358 359 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 360 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 361 fi 362 363 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 364 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 365 fi 366 367 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 368 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 369 fi 370 371 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 372 [extra flags to be used when compiling jdk c-files])]) 373 374 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 375 [extra flags to be used when compiling jdk c++-files])]) 376 377 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 378 [extra flags to be used when linking jdk])]) 379 380 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags" 381 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags" 382 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags" 383 384 # Hotspot needs these set in their legacy form 385 LEGACY_EXTRA_CFLAGS=$with_extra_cflags 386 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags 387 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags 388 389 AC_SUBST(LEGACY_EXTRA_CFLAGS) 390 AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 391 AC_SUBST(LEGACY_EXTRA_LDFLAGS) 392 393 ############################################################################### 394 # 395 # Now setup the CFLAGS and LDFLAGS for the JDK build. 396 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 397 # 398 399 # Setup compiler/platform specific flags to CFLAGS_JDK, 400 # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?) 401 if test "x$TOOLCHAIN_TYPE" = xgcc; then 402 # these options are used for both C and C++ compiles 403 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 404 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 405 case $OPENJDK_TARGET_CPU_ARCH in 406 arm ) 407 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 408 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 409 ;; 410 ppc ) 411 # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing 412 ;; 413 * ) 414 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer" 415 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 416 ;; 417 esac 418 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 419 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 420 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 421 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 422 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" 423 fi 424 425 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 426 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 427 elif test "x$TOOLCHAIN_TYPE" = xxlc; then 428 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 429 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 430 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 431 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 432 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \ 433 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 434 -DWIN32 -DIAL" 435 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 436 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64" 437 else 438 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86" 439 fi 440 fi 441 442 ############################################################################### 443 444 # Adjust flags according to debug level. 445 case $DEBUG_LEVEL in 446 fastdebug ) 447 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS" 448 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS" 449 C_O_FLAG_HI="$C_O_FLAG_NORM" 450 C_O_FLAG_NORM="$C_O_FLAG_NORM" 451 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 452 CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM" 453 JAVAC_FLAGS="$JAVAC_FLAGS -g" 454 ;; 455 slowdebug ) 456 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS" 457 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS" 458 C_O_FLAG_HI="$C_O_FLAG_NONE" 459 C_O_FLAG_NORM="$C_O_FLAG_NONE" 460 CXX_O_FLAG_HI="$CXX_O_FLAG_NONE" 461 CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE" 462 JAVAC_FLAGS="$JAVAC_FLAGS -g" 463 ;; 464 esac 465 466 # Setup LP64 467 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64" 468 469 # Set some common defines. These works for all compilers, but assume 470 # -D is universally accepted. 471 472 # Setup endianness 473 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 474 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 475 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 476 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 477 # Note: -Dmacro is the same as #define macro 1 478 # -Dmacro= is the same as #define macro 479 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 480 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 481 else 482 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 483 fi 484 else 485 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN" 486 fi 487 488 # Setup target OS define. Use OS target name but in upper case. 489 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 490 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 491 492 # Setup target CPU 493 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 494 495 # Setup debug/release defines 496 if test "x$DEBUG_LEVEL" = xrelease; then 497 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG" 498 if test "x$OPENJDK_TARGET_OS" = xsolaris; then 499 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED" 500 fi 501 else 502 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG" 503 fi 504 505 # Setup release name 506 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'" 507 508 509 # Set some additional per-OS defines. 510 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 511 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 512 elif test "x$OPENJDK_TARGET_OS" = xaix; then 513 # FIXME: PPC64 should not be here. 514 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64" 515 elif test "x$OPENJDK_TARGET_OS" = xbsd; then 516 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 517 fi 518 519 # Additional macosx handling 520 if test "x$OPENJDK_TARGET_OS" = xmacosx; then 521 if test "x$TOOLCHAIN_TYPE" = xgcc; then 522 # FIXME: This needs to be exported in spec.gmk due to closed legacy code. 523 # FIXME: clean this up, and/or move it elsewhere. 524 525 # Setting these parameters makes it an error to link to macosx APIs that are 526 # newer than the given OS version and makes the linked binaries compatible 527 # even if built on a newer version of the OS. 528 # The expected format is X.Y.Z 529 MACOSX_VERSION_MIN=10.7.0 530 AC_SUBST(MACOSX_VERSION_MIN) 531 532 # The macro takes the version with no dots, ex: 1070 533 # Let the flags variables get resolved in make for easier override on make 534 # command line. 535 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 536 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 537 fi 538 fi 539 540 # Setup some hard coded includes 541 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \ 542 -I${JDK_OUTPUTDIR}/include \ 543 -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \ 544 -I${JDK_TOPDIR}/src/share/javavm/export \ 545 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \ 546 -I${JDK_TOPDIR}/src/share/native/common \ 547 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common" 548 549 # The shared libraries are compiled using the picflag. 550 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 551 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA " 552 553 # Executable flags 554 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK" 555 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK" 556 557 AC_SUBST(CFLAGS_JDKLIB) 558 AC_SUBST(CFLAGS_JDKEXE) 559 AC_SUBST(CXXFLAGS_JDKLIB) 560 AC_SUBST(CXXFLAGS_JDKEXE) 561 562 # Setup LDFLAGS et al. 563 # 564 # Now this is odd. The JDK native libraries have to link against libjvm.so 565 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 566 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 567 # is identical for client and server? Yes. Which is picked at runtime (client or server)? 568 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 569 # libraries will link to whatever is in memory. Yuck. 570 # 571 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 572 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 573 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 574 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 575 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 576 fi 577 # TODO: make -debug optional "--disable-full-debug-symbols" 578 LDFLAGS_JDK="$LDFLAGS_JDK -debug" 579 LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib" 580 LDFLAGS_JDKLIB_SUFFIX="" 581 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 582 LDFLAGS_STACK_SIZE=1048576 583 else 584 LDFLAGS_STACK_SIZE=327680 585 fi 586 LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE" 587 else 588 if test "x$TOOLCHAIN_TYPE" = xgcc; then 589 # If this is a --hash-style=gnu system, use --hash-style=both, why? 590 # We have previously set HAS_GNU_HASH if this is the case 591 if test -n "$HAS_GNU_HASH"; then 592 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both " 593 fi 594 if test "x$OPENJDK_TARGET_OS" = xlinux; then 595 # And since we now know that the linker is gnu, then add -z defs, to forbid 596 # undefined symbols in object files. 597 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs" 598 if test "x$DEBUG_LEVEL" = "xrelease"; then 599 # When building release libraries, tell the linker optimize them. 600 # Should this be supplied to the OSS linker as well? 601 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1" 602 fi 603 fi 604 fi 605 606 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 607 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext" 608 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 609 fi 610 611 LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \ 612 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}" 613 614 # On some platforms (mac) the linker warns about non existing -L dirs. 615 # Add server first if available. Linking aginst client does not always produce the same results. 616 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 617 # Default to server for other variants. 618 if test "x$JVM_VARIANT_SERVER" = xtrue; then 619 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" 620 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 621 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client" 622 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 623 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 624 else 625 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server" 626 fi 627 628 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm" 629 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 630 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc" 631 fi 632 633 LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 634 if test "x$OPENJDK_TARGET_OS" = xlinux; then 635 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined" 636 fi 637 fi 638 AC_SUBST(LDFLAGS_JDKLIB) 639 AC_SUBST(LDFLAGS_JDKEXE) 640 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX) 641 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX) 642 AC_SUBST(LDFLAGS_CXX_JDK) 643]) 644 645 646# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 647# [RUN-IF-FALSE]) 648# ------------------------------------------------------------ 649# Check that the c and c++ compilers support an argument 650AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 651[ 652 AC_MSG_CHECKING([if compiler supports "$1"]) 653 supports=yes 654 655 saved_cflags="$CFLAGS" 656 CFLAGS="$CFLAGS $1" 657 AC_LANG_PUSH([C]) 658 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 659 [supports=no]) 660 AC_LANG_POP([C]) 661 CFLAGS="$saved_cflags" 662 663 saved_cxxflags="$CXXFLAGS" 664 CXXFLAGS="$CXXFLAG $1" 665 AC_LANG_PUSH([C++]) 666 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 667 [supports=no]) 668 AC_LANG_POP([C++]) 669 CXXFLAGS="$saved_cxxflags" 670 671 AC_MSG_RESULT([$supports]) 672 if test "x$supports" = "xyes" ; then 673 m4_ifval([$2], [$2], [:]) 674 else 675 m4_ifval([$3], [$3], [:]) 676 fi 677]) 678 679AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 680[ 681 # Some Zero and Shark settings. 682 # ZERO_ARCHFLAG tells the compiler which mode to build for 683 case "${OPENJDK_TARGET_CPU}" in 684 s390) 685 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 686 ;; 687 *) 688 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 689 esac 690 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 691 AC_SUBST(ZERO_ARCHFLAG) 692 693 # Check that the compiler supports -mX (or -qX on AIX) flags 694 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 695 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 696 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 697 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 698 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 699]) 700