flags.m4 revision 1829:5a7e1695ac8c
1104477Ssam# 2104477Ssam# Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. 3104477Ssam# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4104477Ssam# 5104477Ssam# This code is free software; you can redistribute it and/or modify it 6104477Ssam# under the terms of the GNU General Public License version 2 only, as 7104477Ssam# published by the Free Software Foundation. Oracle designates this 8104477Ssam# particular file as subject to the "Classpath" exception as provided 9104477Ssam# by Oracle in the LICENSE file that accompanied this code. 10104477Ssam# 11104477Ssam# This code is distributed in the hope that it will be useful, but WITHOUT 12104477Ssam# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13104477Ssam# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14104477Ssam# version 2 for more details (a copy is included in the LICENSE file that 15104477Ssam# accompanied this code). 16104477Ssam# 17104477Ssam# You should have received a copy of the GNU General Public License version 18104477Ssam# 2 along with this work; if not, write to the Free Software Foundation, 19104477Ssam# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20104477Ssam# 21104477Ssam# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22104477Ssam# or visit www.oracle.com if you need additional information or have any 23104477Ssam# questions. 24104477Ssam# 25104477Ssam 26104477Ssam# Reset the global CFLAGS/LDFLAGS variables and initialize them with the 27104477Ssam# corresponding configure arguments instead 28104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS], 29104477Ssam[ 30104477Ssam if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then 31104477Ssam AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags]) 32104477Ssam fi 33104477Ssam 34104477Ssam if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then 35104477Ssam AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags]) 36104477Ssam fi 37104477Ssam 38104477Ssam if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then 39104477Ssam AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags]) 40104477Ssam fi 41104477Ssam 42104477Ssam AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags], 43104477Ssam [extra flags to be used when compiling jdk c-files])]) 44104477Ssam 45104477Ssam AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags], 46104477Ssam [extra flags to be used when compiling jdk c++-files])]) 47104477Ssam 48104477Ssam AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags], 49104477Ssam [extra flags to be used when linking jdk])]) 50104477Ssam 51104477Ssam EXTRA_CFLAGS="$with_extra_cflags" 52104477Ssam EXTRA_CXXFLAGS="$with_extra_cxxflags" 53104477Ssam EXTRA_LDFLAGS="$with_extra_ldflags" 54104477Ssam 55104477Ssam # Hotspot needs these set in their legacy form 56104477Ssam LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS" 57104477Ssam LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS" 58104477Ssam LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS" 59104477Ssam 60104477Ssam AC_SUBST(LEGACY_EXTRA_CFLAGS) 61104477Ssam AC_SUBST(LEGACY_EXTRA_CXXFLAGS) 62104477Ssam AC_SUBST(LEGACY_EXTRA_LDFLAGS) 63104477Ssam 64104477Ssam # The global CFLAGS and LDLAGS variables are used by configure tests and 65104477Ssam # should include the extra parameters 66104477Ssam CFLAGS="$EXTRA_CFLAGS" 67104477Ssam CXXFLAGS="$EXTRA_CXXFLAGS" 68104477Ssam LDFLAGS="$EXTRA_LDFLAGS" 69104477Ssam CPPFLAGS="" 70104477Ssam]) 71104477Ssam 72104477Ssam# Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so 73104477Ssam# that configure can use them while detecting compilers. 74104477Ssam# TOOLCHAIN_TYPE is available here. 75104477Ssam# Param 1 - Optional prefix to all variables. (e.g BUILD_) 76104477SsamAC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS], 77104477Ssam[ 78104477Ssam if test "x[$]$1SYSROOT" != "x"; then 79104477Ssam if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 80104477Ssam if test "x$OPENJDK_TARGET_OS" = xsolaris; then 81104477Ssam # Solaris Studio does not have a concept of sysroot. Instead we must 82104477Ssam # make sure the default include and lib dirs are appended to each 83104477Ssam # compile and link command line. 84104477Ssam $1SYSROOT_CFLAGS="-I[$]$1SYSROOT/usr/include" 85104477Ssam $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \ 86104477Ssam -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \ 87104477Ssam -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR" 88104477Ssam fi 89104477Ssam elif test "x$TOOLCHAIN_TYPE" = xgcc; then 90104477Ssam $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT" 91104477Ssam $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT" 92104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 93104477Ssam $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT" 94104477Ssam $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT" 95104477Ssam fi 96104477Ssam # Propagate the sysroot args to hotspot 97104477Ssam $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS" 98104477Ssam $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS" 99104477Ssam $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS" 100104477Ssam # The global CFLAGS and LDFLAGS variables need these for configure to function 101104477Ssam $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS" 102104477Ssam $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS" 103104477Ssam $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS" 104104477Ssam $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS" 105104477Ssam fi 106104477Ssam 107104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 108104477Ssam # We also need -iframework<path>/System/Library/Frameworks 109104477Ssam $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 110104477Ssam $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks" 111105251Smarkm # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework 112104477Ssam # set this here so it doesn't have to be peppered throughout the forest 113104477Ssam $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 114104477Ssam $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks" 115104477Ssam fi 116104477Ssam 117104477Ssam AC_SUBST($1SYSROOT_CFLAGS) 118104477Ssam AC_SUBST($1SYSROOT_LDFLAGS) 119104477Ssam]) 120104477Ssam 121104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS], 122104477Ssam[ 123104477Ssam # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output 124104477Ssam # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler 125104477Ssam if test "x$TOOLCHAIN_TYPE" = xxlc; then 126104477Ssam COMPILER_TARGET_BITS_FLAG="-q" 127104477Ssam COMPILER_COMMAND_FILE_FLAG="-f" 128104477Ssam else 129104477Ssam COMPILER_TARGET_BITS_FLAG="-m" 130104477Ssam COMPILER_COMMAND_FILE_FLAG="@" 131104477Ssam fi 132104477Ssam AC_SUBST(COMPILER_TARGET_BITS_FLAG) 133104477Ssam AC_SUBST(COMPILER_COMMAND_FILE_FLAG) 134104477Ssam 135104477Ssam # FIXME: figure out if we should select AR flags depending on OS or toolchain. 136104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 137104477Ssam ARFLAGS="-r" 138104477Ssam elif test "x$OPENJDK_TARGET_OS" = xaix; then 139104477Ssam ARFLAGS="-X64" 140104477Ssam elif test "x$OPENJDK_TARGET_OS" = xwindows; then 141104477Ssam # lib.exe is used as AR to create static libraries. 142104477Ssam ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT" 143104477Ssam else 144104477Ssam ARFLAGS="" 145104477Ssam fi 146104477Ssam AC_SUBST(ARFLAGS) 147104477Ssam 148104477Ssam ## Setup strip. 149104477Ssam # FIXME: should this really be per platform, or should it be per toolchain type? 150104477Ssam # strip is not provided by clang or solstudio; so guessing platform makes most sense. 151104477Ssam # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD. 152104477Ssam if test "x$OPENJDK_TARGET_OS" = xlinux; then 153104477Ssam STRIPFLAGS="-g" 154104477Ssam elif test "x$OPENJDK_TARGET_OS" = xsolaris; then 155104477Ssam STRIPFLAGS="-x" 156104477Ssam elif test "x$OPENJDK_TARGET_OS" = xmacosx; then 157104477Ssam STRIPFLAGS="-S" 158104477Ssam elif test "x$OPENJDK_TARGET_OS" = xaix; then 159104477Ssam STRIPFLAGS="-X32_64" 160104477Ssam fi 161104477Ssam 162104477Ssam AC_SUBST(STRIPFLAGS) 163109596Ssam 164109596Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 165104477Ssam CC_OUT_OPTION=-Fo 166104477Ssam EXE_OUT_OPTION=-out: 167109596Ssam LD_OUT_OPTION=-out: 168109596Ssam AR_OUT_OPTION=-out: 169104477Ssam else 170104477Ssam # The option used to specify the target .o,.a or .so file. 171104477Ssam # When compiling, how to specify the to be created object file. 172109596Ssam CC_OUT_OPTION='-o$(SPACE)' 173109596Ssam # When linking, how to specify the to be created executable. 174112121Ssam EXE_OUT_OPTION='-o$(SPACE)' 175109596Ssam # When linking, how to specify the to be created dynamically linkable library. 176109596Ssam LD_OUT_OPTION='-o$(SPACE)' 177104477Ssam # When archiving, how to specify the to be create static archive for object files. 178104477Ssam AR_OUT_OPTION='rcs$(SPACE)' 179104477Ssam fi 180104477Ssam AC_SUBST(CC_OUT_OPTION) 181104477Ssam AC_SUBST(EXE_OUT_OPTION) 182104477Ssam AC_SUBST(LD_OUT_OPTION) 183104477Ssam AC_SUBST(AR_OUT_OPTION) 184104477Ssam 185104477Ssam # On Windows, we need to set RC flags. 186104477Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 187104477Ssam RC_FLAGS="-nologo -l0x409" 188104477Ssam if test "x$VARIANT" = xOPT; then 189104477Ssam RC_FLAGS="$RC_FLAGS -DNDEBUG" 190104477Ssam fi 191104477Ssam 192104477Ssam # The version variables used to create RC_FLAGS may be overridden 193104477Ssam # in a custom configure script, or possibly the command line. 194104477Ssam # Let those variables be expanded at make time in spec.gmk. 195104477Ssam # The \$ are escaped to the shell, and the $(...) variables 196104477Ssam # are evaluated by make. 197104477Ssam RC_FLAGS="$RC_FLAGS \ 198104477Ssam -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \ 199104477Ssam -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \ 200104477Ssam -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \ 201104477Ssam -D\"JDK_VER=\$(VERSION_NUMBER)\" \ 202104477Ssam -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \ 203104477Ssam -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \ 204104477Ssam -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\"" 205104477Ssam fi 206104477Ssam AC_SUBST(RC_FLAGS) 207104477Ssam 208104477Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 209104477Ssam # silence copyright notice and other headers. 210104477Ssam COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo" 211104477Ssam fi 212104477Ssam]) 213104477Ssam 214104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS], 215104477Ssam[ 216104477Ssam ############################################################################### 217104477Ssam # 218104477Ssam # How to compile shared libraries. 219104477Ssam # 220104477Ssam 221104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 222104477Ssam PICFLAG="-fPIC" 223104477Ssam C_FLAG_REORDER='' 224104477Ssam CXX_FLAG_REORDER='' 225104477Ssam 226104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 227104477Ssam # Linking is different on MacOSX 228104477Ssam if test "x$STATIC_BUILD" = xtrue; then 229104477Ssam SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup' 230104477Ssam else 231104477Ssam SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 232104477Ssam fi 233104477Ssam SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 234104477Ssam SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 235104477Ssam SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 236104477Ssam SET_SHARED_LIBRARY_MAPFILE='' 237104477Ssam else 238104477Ssam # Default works for linux, might work on other platforms as well. 239104477Ssam SHARED_LIBRARY_FLAGS='-shared' 240104477Ssam SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 241104477Ssam SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 242104477Ssam SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 243104477Ssam SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 244104477Ssam fi 245104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 246104477Ssam C_FLAG_REORDER='' 247104477Ssam CXX_FLAG_REORDER='' 248104477Ssam 249104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 250104477Ssam # Linking is different on MacOSX 251104477Ssam PICFLAG='' 252104477Ssam SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG" 253104477Ssam SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.' 254104477Ssam SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 255104477Ssam SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1' 256104477Ssam SET_SHARED_LIBRARY_MAPFILE='' 257104477Ssam else 258104477Ssam # Default works for linux, might work on other platforms as well. 259104477Ssam PICFLAG='-fPIC' 260104477Ssam SHARED_LIBRARY_FLAGS='-shared' 261104477Ssam SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1' 262104477Ssam SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN" 263104477Ssam SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1' 264104477Ssam SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1' 265104477Ssam fi 266104477Ssam elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 267104477Ssam PICFLAG="-KPIC" 268104477Ssam C_FLAG_REORDER='-xF' 269104477Ssam CXX_FLAG_REORDER='-xF' 270104477Ssam SHARED_LIBRARY_FLAGS="-G" 271104477Ssam SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1' 272104477Ssam SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN" 273104477Ssam SET_SHARED_LIBRARY_NAME='-h [$]1' 274104477Ssam SET_SHARED_LIBRARY_MAPFILE='-M[$]1' 275104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 276104477Ssam PICFLAG="-qpic=large" 277104477Ssam C_FLAG_REORDER='' 278104477Ssam CXX_FLAG_REORDER='' 279104477Ssam SHARED_LIBRARY_FLAGS="-qmkshrobj" 280104477Ssam SET_EXECUTABLE_ORIGIN="" 281104477Ssam SET_SHARED_LIBRARY_ORIGIN='' 282104477Ssam SET_SHARED_LIBRARY_NAME='' 283104477Ssam SET_SHARED_LIBRARY_MAPFILE='' 284104477Ssam elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 285104477Ssam PICFLAG="" 286104477Ssam C_FLAG_REORDER='' 287104477Ssam CXX_FLAG_REORDER='' 288104477Ssam SHARED_LIBRARY_FLAGS="-dll" 289104477Ssam SET_EXECUTABLE_ORIGIN='' 290104477Ssam SET_SHARED_LIBRARY_ORIGIN='' 291104477Ssam SET_SHARED_LIBRARY_NAME='' 292104477Ssam SET_SHARED_LIBRARY_MAPFILE='' 293104477Ssam fi 294104477Ssam 295104477Ssam AC_SUBST(C_FLAG_REORDER) 296104477Ssam AC_SUBST(CXX_FLAG_REORDER) 297104477Ssam AC_SUBST(SET_EXECUTABLE_ORIGIN) 298104477Ssam AC_SUBST(SET_SHARED_LIBRARY_ORIGIN) 299104477Ssam AC_SUBST(SET_SHARED_LIBRARY_NAME) 300104477Ssam AC_SUBST(SET_SHARED_LIBRARY_MAPFILE) 301104477Ssam AC_SUBST(SHARED_LIBRARY_FLAGS) 302104477Ssam 303104477Ssam if test "x$OPENJDK_TARGET_OS" = xsolaris; then 304104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__" 305104477Ssam CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__" 306104477Ssam CFLAGS_JDKLIB_EXTRA='-xstrconst' 307104477Ssam fi 308104477Ssam # The (cross) compiler is now configured, we can now test capabilities 309104477Ssam # of the target platform. 310104477Ssam]) 311104477Ssam 312104477Ssam# Documentation on common flags used for solstudio in HIGHEST. 313104477Ssam# 314104477Ssam# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be 315104477Ssam# done with care, there are some assumptions below that need to 316104477Ssam# be understood about the use of pointers, and IEEE behavior. 317104477Ssam# 318104477Ssam# -fns: Use non-standard floating point mode (not IEEE 754) 319104477Ssam# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754) 320104477Ssam# -fsingle: Use single precision floating point with 'float' 321104477Ssam# -xalias_level=basic: Assume memory references via basic pointer types do not alias 322104477Ssam# (Source with excessing pointer casting and data access with mixed 323104477Ssam# pointer types are not recommended) 324104477Ssam# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions 325104477Ssam# (If you expect perfect errno behavior, do not use this) 326104477Ssam# -xdepend: Loop data dependency optimizations (need -xO3 or higher) 327104477Ssam# -xrestrict: Pointer parameters to functions do not overlap 328104477Ssam# (Similar to -xalias_level=basic usage, but less obvious sometimes. 329104477Ssam# If you pass in multiple pointers to the same data, do not use this) 330104477Ssam# -xlibmil: Inline some library routines 331104477Ssam# (If you expect perfect errno behavior, do not use this) 332104477Ssam# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED) 333104477Ssam# (If you expect perfect errno behavior, do not use this) 334104477Ssam# Can cause undefined external on Solaris 8 X86 on __sincos, removing for now 335104477Ssam 336104477Ssam # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore. 337104477Ssam # Bug? 338104477Ssam #if test "x$OPENJDK_TARGET_CPU" = xsparc; then 339104477Ssam # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s" 340104477Ssam # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s" 341104477Ssam #fi 342104477Ssam 343104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION], 344104477Ssam[ 345104477Ssam 346104477Ssam ############################################################################### 347104477Ssam # 348104477Ssam # Setup the opt flags for different compilers 349104477Ssam # and different operating systems. 350104477Ssam # 351104477Ssam 352104477Ssam # FIXME: this was indirectly the old default, but just inherited. 353104477Ssam # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 354104477Ssam # C_FLAG_DEPS="-MMD -MF" 355104477Ssam # fi 356104477Ssam 357104477Ssam # Generate make dependency files 358104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 359104477Ssam C_FLAG_DEPS="-MMD -MF" 360104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 361104477Ssam C_FLAG_DEPS="-MMD -MF" 362104477Ssam elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 363104477Ssam C_FLAG_DEPS="-xMMD -xMF" 364104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 365104477Ssam C_FLAG_DEPS="-qmakedep=gcc -MF" 366104477Ssam fi 367104477Ssam CXX_FLAG_DEPS="$C_FLAG_DEPS" 368104477Ssam AC_SUBST(C_FLAG_DEPS) 369104477Ssam AC_SUBST(CXX_FLAG_DEPS) 370104477Ssam 371104477Ssam # Debug symbols 372104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 373104477Ssam if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then 374104477Ssam # reduce from default "-g2" option to save space 375104477Ssam CFLAGS_DEBUG_SYMBOLS="-g1" 376104477Ssam CXXFLAGS_DEBUG_SYMBOLS="-g1" 377104477Ssam else 378104477Ssam CFLAGS_DEBUG_SYMBOLS="-g" 379104477Ssam CXXFLAGS_DEBUG_SYMBOLS="-g" 380104477Ssam fi 381104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 382104477Ssam CFLAGS_DEBUG_SYMBOLS="-g" 383104477Ssam CXXFLAGS_DEBUG_SYMBOLS="-g" 384104477Ssam elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 385104477Ssam CFLAGS_DEBUG_SYMBOLS="-g -xs" 386104477Ssam # FIXME: likely a bug, this disables debug symbols rather than enables them 387104477Ssam CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs" 388104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 389104477Ssam CFLAGS_DEBUG_SYMBOLS="-g" 390104477Ssam CXXFLAGS_DEBUG_SYMBOLS="-g" 391104477Ssam fi 392104477Ssam AC_SUBST(CFLAGS_DEBUG_SYMBOLS) 393104477Ssam AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS) 394104477Ssam 395104477Ssam # bounds, memory and behavior checking options 396104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 397104477Ssam case $DEBUG_LEVEL in 398104477Ssam release ) 399104477Ssam # no adjustment 400104477Ssam ;; 401104477Ssam fastdebug ) 402104477Ssam # no adjustment 403104477Ssam ;; 404104477Ssam slowdebug ) 405104477Ssam # Add runtime stack smashing and undefined behavior checks. 406104477Ssam # Not all versions of gcc support -fstack-protector 407104477Ssam STACK_PROTECTOR_CFLAG="-fstack-protector-all" 408104477Ssam FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""]) 409104477Ssam 410104477Ssam CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 411104477Ssam CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1" 412104477Ssam ;; 413104477Ssam esac 414104477Ssam fi 415104477Ssam 416104477Ssam # Optimization levels 417104477Ssam if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 418104477Ssam CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil" 419104477Ssam 420104477Ssam if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then 421104477Ssam # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global? 422104477Ssam C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr" 423104477Ssam C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr" 424104477Ssam C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr" 425104477Ssam C_O_FLAG_DEBUG="-xregs=no%frameptr" 426104477Ssam C_O_FLAG_NONE="-xregs=no%frameptr" 427104477Ssam CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr" 428104477Ssam CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr" 429104477Ssam CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr" 430104477Ssam CXX_O_FLAG_DEBUG="-xregs=no%frameptr" 431104477Ssam CXX_O_FLAG_NONE="-xregs=no%frameptr" 432104477Ssam if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 433104477Ssam C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium" 434104477Ssam CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium" 435104477Ssam fi 436104477Ssam elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 437104477Ssam C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra" 438104477Ssam C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0" 439104477Ssam C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0" 440104477Ssam C_O_FLAG_DEBUG="" 441104477Ssam C_O_FLAG_NONE="" 442104477Ssam CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra" 443104477Ssam CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 444104477Ssam CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0" 445104477Ssam C_O_FLAG_DEBUG="" 446104477Ssam CXX_O_FLAG_NONE="" 447104477Ssam fi 448104477Ssam else 449104477Ssam # The remaining toolchains share opt flags between CC and CXX; 450104477Ssam # setup for C and duplicate afterwards. 451104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 452104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 453104477Ssam # On MacOSX we optimize for size, something 454104477Ssam # we should do for all platforms? 455104477Ssam C_O_FLAG_HIGHEST="-Os" 456104477Ssam C_O_FLAG_HI="-Os" 457104477Ssam C_O_FLAG_NORM="-Os" 458104477Ssam else 459104477Ssam C_O_FLAG_HIGHEST="-O3" 460104477Ssam C_O_FLAG_HI="-O3" 461104477Ssam C_O_FLAG_NORM="-O2" 462104477Ssam fi 463104477Ssam C_O_FLAG_DEBUG="-O0" 464104477Ssam C_O_FLAG_NONE="-O0" 465104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 466104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 467104477Ssam # On MacOSX we optimize for size, something 468104477Ssam # we should do for all platforms? 469104477Ssam C_O_FLAG_HIGHEST="-Os" 470104477Ssam C_O_FLAG_HI="-Os" 471104477Ssam C_O_FLAG_NORM="-Os" 472104477Ssam else 473104477Ssam C_O_FLAG_HIGHEST="-O3" 474104477Ssam C_O_FLAG_HI="-O3" 475104477Ssam C_O_FLAG_NORM="-O2" 476104918Ssam fi 477104918Ssam C_O_FLAG_DEBUG="-O0" 478104477Ssam C_O_FLAG_NONE="-O0" 479104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 480104477Ssam C_O_FLAG_HIGHEST="-O3" 481104477Ssam C_O_FLAG_HI="-O3 -qstrict" 482104477Ssam C_O_FLAG_NORM="-O2" 483104477Ssam C_O_FLAG_DEBUG="-qnoopt" 484104477Ssam C_O_FLAG_NONE="-qnoop" 485104477Ssam elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 486104477Ssam C_O_FLAG_HIGHEST="-O2" 487104477Ssam C_O_FLAG_HI="-O1" 488104477Ssam C_O_FLAG_NORM="-O1" 489104477Ssam C_O_FLAG_DEBUG="-Od" 490104477Ssam C_O_FLAG_NONE="-Od" 491104477Ssam fi 492104477Ssam CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST" 493104477Ssam CXX_O_FLAG_HI="$C_O_FLAG_HI" 494104477Ssam CXX_O_FLAG_NORM="$C_O_FLAG_NORM" 495104477Ssam CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG" 496104477Ssam CXX_O_FLAG_NONE="$C_O_FLAG_NONE" 497104477Ssam fi 498104477Ssam 499104477Ssam # Adjust optimization flags according to debug level. 500104477Ssam case $DEBUG_LEVEL in 501104477Ssam release ) 502104477Ssam # no adjustment 503104477Ssam ;; 504104477Ssam fastdebug ) 505104477Ssam # Not quite so much optimization 506104477Ssam C_O_FLAG_HI="$C_O_FLAG_NORM" 507104477Ssam CXX_O_FLAG_HI="$CXX_O_FLAG_NORM" 508104477Ssam ;; 509104477Ssam slowdebug ) 510104477Ssam # Disable optimization 511104477Ssam C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG" 512104477Ssam C_O_FLAG_HI="$C_O_FLAG_DEBUG" 513104477Ssam C_O_FLAG_NORM="$C_O_FLAG_DEBUG" 514104477Ssam CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG" 515104477Ssam CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG" 516104477Ssam CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG" 517104477Ssam ;; 518104477Ssam esac 519104477Ssam 520104477Ssam AC_SUBST(C_O_FLAG_HIGHEST) 521104477Ssam AC_SUBST(C_O_FLAG_HI) 522104477Ssam AC_SUBST(C_O_FLAG_NORM) 523104477Ssam AC_SUBST(C_O_FLAG_DEBUG) 524104477Ssam AC_SUBST(C_O_FLAG_NONE) 525104477Ssam AC_SUBST(CXX_O_FLAG_HIGHEST) 526104477Ssam AC_SUBST(CXX_O_FLAG_HI) 527104477Ssam AC_SUBST(CXX_O_FLAG_NORM) 528104477Ssam AC_SUBST(CXX_O_FLAG_DEBUG) 529104477Ssam AC_SUBST(CXX_O_FLAG_NONE) 530104477Ssam]) 531104477Ssam 532104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK], 533104477Ssam[ 534104477Ssam # Special extras... 535104477Ssam if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 536104477Ssam if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then 537104477Ssam CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 538104477Ssam CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl" 539104477Ssam fi 540104477Ssam CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 541104477Ssam CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt" 542104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 543104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 544104477Ssam CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt" 545104477Ssam fi 546104477Ssam 547104477Ssam CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS" 548104477Ssam CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS" 549104477Ssam LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS" 550104477Ssam 551104477Ssam ############################################################################### 552104477Ssam # 553104477Ssam # Now setup the CFLAGS and LDFLAGS for the JDK build. 554104477Ssam # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. 555104477Ssam # 556104477Ssam 557104477Ssam # Setup compiler/platform specific flags into 558104477Ssam # CFLAGS_JDK - C Compiler flags 559104477Ssam # CXXFLAGS_JDK - C++ Compiler flags 560104477Ssam # COMMON_CCXXFLAGS_JDK - common to C and C++ 561104477Ssam if test "x$TOOLCHAIN_TYPE" = xgcc; then 562104477Ssam if test "x$OPENJDK_TARGET_CPU" = xx86; then 563104477Ssam # Force compatibility with i586 on 32 bit intel platforms. 564104477Ssam COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 565104477Ssam fi 566104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 567104477Ssam -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 568104477Ssam case $OPENJDK_TARGET_CPU_ARCH in 569104477Ssam arm ) 570104477Ssam # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing 571104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 572104477Ssam ;; 573104477Ssam ppc ) 574104477Ssam # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 575104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 576104477Ssam ;; 577104477Ssam * ) 578104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 579104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 580104477Ssam ;; 581104477Ssam esac 582104477Ssam elif test "x$TOOLCHAIN_TYPE" = xclang; then 583104477Ssam if test "x$OPENJDK_TARGET_OS" = xlinux; then 584104477Ssam if test "x$OPENJDK_TARGET_CPU" = xx86; then 585104477Ssam # Force compatibility with i586 on 32 bit intel platforms. 586104477Ssam COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586" 587104477Ssam fi 588104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ 589104477Ssam -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE" 590104477Ssam case $OPENJDK_TARGET_CPU_ARCH in 591104477Ssam ppc ) 592104477Ssam # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing 593104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 594104477Ssam ;; 595104477Ssam * ) 596104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer" 597104477Ssam CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" 598104477Ssam ;; 599104477Ssam esac 600104477Ssam fi 601104477Ssam elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 602104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" 603104477Ssam if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then 604104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" 605104477Ssam fi 606104477Ssam 607104477Ssam CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal" 608104477Ssam CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib" 609104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 610104477Ssam CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 611104477Ssam CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC" 612104477Ssam elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 613104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \ 614104477Ssam -Zi -MD -Zc:wchar_t- -W3 -wd4800 \ 615104477Ssam -DWIN32_LEAN_AND_MEAN \ 616104477Ssam -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \ 617104477Ssam -D_WINSOCK_DEPRECATED_NO_WARNINGS \ 618104477Ssam -DWIN32 -DIAL" 619104477Ssam if test "x$OPENJDK_TARGET_CPU" = xx86_64; then 620104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64" 621104477Ssam else 622104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86" 623104477Ssam fi 624104477Ssam # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to 625104477Ssam # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual 626104477Ssam # studio. 627104477Ssam if test "x$TOOLCHAIN_VERSION" = "x2010"; then 628104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 629104477Ssam -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" 630104477Ssam fi 631104477Ssam fi 632104477Ssam 633104477Ssam ############################################################################### 634104477Ssam 635104477Ssam # Adjust flags according to debug level. 636104477Ssam case $DEBUG_LEVEL in 637104477Ssam fastdebug | slowdebug ) 638104477Ssam CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS" 639104477Ssam CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS" 640104477Ssam JAVAC_FLAGS="$JAVAC_FLAGS -g" 641104477Ssam ;; 642104477Ssam release ) 643104477Ssam ;; 644104477Ssam * ) 645104477Ssam AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 646104477Ssam ;; 647104477Ssam esac 648104477Ssam 649104477Ssam # Setup LP64 650104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64" 651104477Ssam 652104477Ssam # Set some common defines. These works for all compilers, but assume 653104477Ssam # -D is universally accepted. 654104477Ssam 655104477Ssam # Setup endianness 656104477Ssam if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then 657104477Ssam # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the 658104477Ssam # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN 659104477Ssam # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h). 660104477Ssam # Note: -Dmacro is the same as #define macro 1 661104477Ssam # -Dmacro= is the same as #define macro 662104477Ssam if test "x$OPENJDK_TARGET_OS" = xsolaris; then 663104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN=" 664105190Ssam else 665105190Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN" 666104477Ssam fi 667104477Ssam else 668104477Ssam # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they 669104477Ssam # are defined in the system? 670104477Ssam if test "x$OPENJDK_TARGET_OS" = xsolaris; then 671104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN=" 672104477Ssam else 673104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN" 674104477Ssam fi 675104477Ssam fi 676104477Ssam 677104477Ssam # Setup target OS define. Use OS target name but in upper case. 678104477Ssam OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` 679104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE" 680104477Ssam 681104477Ssam # Setup target CPU 682104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY" 683104477Ssam 684104477Ssam # Setup debug/release defines 685104477Ssam if test "x$DEBUG_LEVEL" = xrelease; then 686104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG" 687104477Ssam if test "x$OPENJDK_TARGET_OS" = xsolaris; then 688104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED" 689104477Ssam fi 690104477Ssam else 691104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG" 692104477Ssam fi 693104477Ssam 694104477Ssam # Set some additional per-OS defines. 695104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 696104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT" 697104477Ssam elif test "x$OPENJDK_TARGET_OS" = xaix; then 698104477Ssam # FIXME: PPC64 should not be here. 699104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64" 700104477Ssam elif test "x$OPENJDK_TARGET_OS" = xbsd; then 701104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE" 702104477Ssam fi 703104477Ssam 704104477Ssam # Additional macosx handling 705104477Ssam if test "x$OPENJDK_TARGET_OS" = xmacosx; then 706104477Ssam # Setting these parameters makes it an error to link to macosx APIs that are 707104477Ssam # newer than the given OS version and makes the linked binaries compatible 708104477Ssam # even if built on a newer version of the OS. 709104477Ssam # The expected format is X.Y.Z 710104477Ssam MACOSX_VERSION_MIN=10.7.0 711104477Ssam AC_SUBST(MACOSX_VERSION_MIN) 712104477Ssam 713104477Ssam # The macro takes the version with no dots, ex: 1070 714104477Ssam # Let the flags variables get resolved in make for easier override on make 715104477Ssam # command line. 716104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 717104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)" 718104477Ssam fi 719104477Ssam 720104477Ssam # Setup some hard coded includes 721104477Ssam COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \ 722104477Ssam -I${JDK_TOPDIR}/src/java.base/share/native/include \ 723104477Ssam -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \ 724104477Ssam -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include \ 725104477Ssam -I${JDK_TOPDIR}/src/java.base/share/native/libjava \ 726104477Ssam -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava" 727104477Ssam 728104477Ssam # The shared libraries are compiled using the picflag. 729104477Ssam CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 730104477Ssam CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 731104477Ssam 732104477Ssam # Executable flags 733104477Ssam CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 734104477Ssam CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 735104477Ssam 736104477Ssam AC_SUBST(CFLAGS_JDKLIB) 737104477Ssam AC_SUBST(CFLAGS_JDKEXE) 738104477Ssam AC_SUBST(CXXFLAGS_JDKLIB) 739104477Ssam AC_SUBST(CXXFLAGS_JDKEXE) 740104477Ssam 741104477Ssam # Flags for compiling test libraries 742104477Ssam CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA" 743104477Ssam CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA" 744104477Ssam 745104477Ssam # Flags for compiling test executables 746104477Ssam CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK" 747104477Ssam CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK" 748104477Ssam 749104477Ssam AC_SUBST(CFLAGS_TESTLIB) 750104477Ssam AC_SUBST(CFLAGS_TESTEXE) 751104477Ssam AC_SUBST(CXXFLAGS_TESTLIB) 752104477Ssam AC_SUBST(CXXFLAGS_TESTEXE) 753104477Ssam 754104477Ssam # Setup LDFLAGS et al. 755104477Ssam # 756104477Ssam 757104477Ssam # Now this is odd. The JDK native libraries have to link against libjvm.so 758104477Ssam # On 32-bit machines there is normally two distinct libjvm.so:s, client and server. 759104477Ssam # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library 760104477Ssam # is identical for client and server? Yes. Which is picked at runtime (client or server)? 761104477Ssam # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following 762104477Ssam # libraries will link to whatever is in memory. Yuck. 763104477Ssam # 764104477Ssam # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh. 765104477Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 766104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no" 767104477Ssam if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then 768104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK -safeseh" 769104477Ssam fi 770104477Ssam # TODO: make -debug optional "--disable-full-debug-symbols" 771104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK -debug" 772104477Ssam elif test "x$TOOLCHAIN_TYPE" = xgcc; then 773104477Ssam # If this is a --hash-style=gnu system, use --hash-style=both, why? 774104477Ssam # We have previously set HAS_GNU_HASH if this is the case 775104477Ssam if test -n "$HAS_GNU_HASH"; then 776104477Ssam LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,--hash-style=both" 777104477Ssam fi 778104477Ssam if test "x$OPENJDK_TARGET_OS" = xlinux; then 779104477Ssam # And since we now know that the linker is gnu, then add -z defs, to forbid 780104477Ssam # undefined symbols in object files. 781104477Ssam LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-z,defs" 782104477Ssam case $DEBUG_LEVEL in 783104477Ssam release ) 784104477Ssam # tell linker to optimize libraries. 785104477Ssam # Should this be supplied to the OSS linker as well? 786104477Ssam LDFLAGS_JDK="${LDFLAGS_JDK} -Wl,-O1" 787104477Ssam ;; 788104477Ssam slowdebug ) 789104477Ssam if test "x$HAS_LINKER_NOW" = "xtrue"; then 790104477Ssam # do relocations at load 791104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG" 792104477Ssam LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG" 793104477Ssam fi 794104477Ssam if test "x$HAS_LINKER_RELRO" = "xtrue"; then 795104477Ssam # mark relocations read only 796104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 797104477Ssam LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 798104477Ssam fi 799104477Ssam ;; 800104477Ssam fastdebug ) 801104477Ssam if test "x$HAS_LINKER_RELRO" = "xtrue"; then 802104477Ssam # mark relocations read only 803104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG" 804104477Ssam LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG" 805104477Ssam fi 806104477Ssam ;; 807104477Ssam * ) 808104477Ssam AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL]) 809104477Ssam ;; 810104477Ssam esac 811104477Ssam fi 812104477Ssam elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then 813104477Ssam LDFLAGS_JDK="$LDFLAGS_JDK -Wl,-z,defs -xildoff -ztext" 814104477Ssam LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib" 815104477Ssam elif test "x$TOOLCHAIN_TYPE" = xxlc; then 816104477Ssam LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -bexpall -bernotok" 817104477Ssam fi 818104477Ssam 819104477Ssam # Customize LDFLAGS for executables 820104477Ssam 821104477Ssam LDFLAGS_JDKEXE="${LDFLAGS_JDK}" 822104477Ssam 823104477Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 824104477Ssam if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then 825104477Ssam LDFLAGS_STACK_SIZE=1048576 826104477Ssam else 827104477Ssam LDFLAGS_STACK_SIZE=327680 828104477Ssam fi 829104477Ssam LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE" 830104477Ssam elif test "x$OPENJDK_TARGET_OS" = xlinux; then 831104477Ssam LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined" 832104477Ssam fi 833104477Ssam 834104477Ssam # Customize LDFLAGS for libs 835104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDK}" 836104477Ssam 837104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}" 838104477Ssam if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then 839104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 840104477Ssam -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base" 841104477Ssam JDKLIB_LIBS="" 842104477Ssam else 843104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} \ 844104477Ssam -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}" 845104477Ssam 846104477Ssam # On some platforms (mac) the linker warns about non existing -L dirs. 847104477Ssam # Add server first if available. Linking aginst client does not always produce the same results. 848104477Ssam # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1. 849104477Ssam # Default to server for other variants. 850104477Ssam if test "x$JVM_VARIANT_SERVER" = xtrue; then 851104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 852104477Ssam elif test "x$JVM_VARIANT_CLIENT" = xtrue; then 853104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client" 854104477Ssam elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then 855104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal" 856104477Ssam else 857104477Ssam LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server" 858104477Ssam fi 859104477Ssam 860104477Ssam JDKLIB_LIBS="-ljava -ljvm" 861104477Ssam if test "x$TOOLCHAIN_TYPE" = xsolstudio; then 862104477Ssam JDKLIB_LIBS="$JDKLIB_LIBS -lc" 863104477Ssam fi 864104477Ssam fi 865104477Ssam 866104477Ssam AC_SUBST(LDFLAGS_JDKLIB) 867104477Ssam AC_SUBST(LDFLAGS_JDKEXE) 868104477Ssam AC_SUBST(JDKLIB_LIBS) 869104477Ssam AC_SUBST(JDKEXE_LIBS) 870104477Ssam AC_SUBST(LDFLAGS_CXX_JDK) 871104477Ssam 872104477Ssam LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB" 873104477Ssam LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE" 874104477Ssam 875104477Ssam AC_SUBST(LDFLAGS_TESTLIB) 876104477Ssam AC_SUBST(LDFLAGS_TESTEXE) 877104477Ssam]) 878104477Ssam 879104477Ssam# FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 880104477Ssam# [RUN-IF-FALSE]) 881104477Ssam# ------------------------------------------------------------ 882104477Ssam# Check that the c and c++ compilers support an argument 883104477SsamAC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS], 884104477Ssam[ 885104477Ssam AC_MSG_CHECKING([if compiler supports "$1"]) 886104477Ssam supports=yes 887104477Ssam 888104477Ssam saved_cflags="$CFLAGS" 889104477Ssam CFLAGS="$CFLAGS $1" 890104477Ssam AC_LANG_PUSH([C]) 891104477Ssam AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 892104477Ssam [supports=no]) 893104477Ssam AC_LANG_POP([C]) 894104477Ssam CFLAGS="$saved_cflags" 895104477Ssam 896104477Ssam saved_cxxflags="$CXXFLAGS" 897104477Ssam CXXFLAGS="$CXXFLAG $1" 898104477Ssam AC_LANG_PUSH([C++]) 899104477Ssam AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 900104477Ssam [supports=no]) 901104477Ssam AC_LANG_POP([C++]) 902104477Ssam CXXFLAGS="$saved_cxxflags" 903104477Ssam 904104477Ssam AC_MSG_RESULT([$supports]) 905104477Ssam if test "x$supports" = "xyes" ; then 906104477Ssam m4_ifval([$2], [$2], [:]) 907104477Ssam else 908104477Ssam m4_ifval([$3], [$3], [:]) 909104477Ssam fi 910104477Ssam]) 911104477Ssam 912104477Ssam# FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE], 913104477Ssam# [RUN-IF-FALSE]) 914104477Ssam# ------------------------------------------------------------ 915104477Ssam# Check that the linker support an argument 916104477SsamAC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS], 917104477Ssam[ 918104477Ssam AC_MSG_CHECKING([if linker supports "$1"]) 919104477Ssam supports=yes 920104477Ssam 921104477Ssam saved_ldflags="$LDFLAGS" 922104477Ssam LDFLAGS="$LDFLAGS $1" 923104477Ssam AC_LANG_PUSH([C]) 924104477Ssam AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])], 925104477Ssam [], [supports=no]) 926104477Ssam AC_LANG_POP([C]) 927104477Ssam LDFLAGS="$saved_ldflags" 928104477Ssam 929104477Ssam AC_MSG_RESULT([$supports]) 930104477Ssam if test "x$supports" = "xyes" ; then 931104477Ssam m4_ifval([$2], [$2], [:]) 932104477Ssam else 933104477Ssam m4_ifval([$3], [$3], [:]) 934104477Ssam fi 935104477Ssam]) 936104477Ssam 937104477SsamAC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC], 938104477Ssam[ 939104477Ssam # Some Zero and Shark settings. 940104477Ssam # ZERO_ARCHFLAG tells the compiler which mode to build for 941104477Ssam case "${OPENJDK_TARGET_CPU}" in 942104477Ssam s390) 943104477Ssam ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31" 944104477Ssam ;; 945104477Ssam *) 946104477Ssam ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}" 947104477Ssam esac 948104477Ssam FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""]) 949104477Ssam AC_SUBST(ZERO_ARCHFLAG) 950104477Ssam 951104477Ssam # Check that the compiler supports -mX (or -qX on AIX) flags 952104477Ssam # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does 953104477Ssam FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}], 954104477Ssam [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true], 955104477Ssam [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false]) 956104477Ssam AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG) 957104477Ssam 958104477Ssam AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors], 959104477Ssam [do not consider native warnings to be an error @<:@enabled@:>@])]) 960104477Ssam 961104477Ssam AC_MSG_CHECKING([if native warnings are errors]) 962104477Ssam if test "x$enable_warnings_as_errors" = "xyes"; then 963104477Ssam AC_MSG_RESULT([yes (explicitely set)]) 964104477Ssam WARNINGS_AS_ERRORS=true 965104477Ssam elif test "x$enable_warnings_as_errors" = "xno"; then 966104477Ssam AC_MSG_RESULT([no]) 967104477Ssam WARNINGS_AS_ERRORS=false 968104477Ssam elif test "x$enable_warnings_as_errors" = "x"; then 969104477Ssam AC_MSG_RESULT([yes (default)]) 970104477Ssam WARNINGS_AS_ERRORS=true 971104477Ssam else 972104477Ssam AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument]) 973104477Ssam fi 974104477Ssam 975104477Ssam if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then 976104477Ssam # Set legacy hotspot variable 977104477Ssam HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS=" 978104477Ssam else 979104477Ssam HOTSPOT_SET_WARNINGS_AS_ERRORS="" 980104477Ssam fi 981104477Ssam 982104477Ssam AC_SUBST(WARNINGS_AS_ERRORS) 983104477Ssam AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS) 984104477Ssam 985104477Ssam case "${TOOLCHAIN_TYPE}" in 986104477Ssam microsoft) 987104477Ssam DISABLE_WARNING_PREFIX="-wd" 988104477Ssam CFLAGS_WARNINGS_ARE_ERRORS="-WX" 989104477Ssam ;; 990104477Ssam solstudio) 991104477Ssam DISABLE_WARNING_PREFIX="-erroff=" 992104477Ssam CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all" 993104477Ssam ;; 994104477Ssam gcc) 995104477Ssam # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error 996104477Ssam FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 997104477Ssam [GCC_CAN_DISABLE_WARNINGS=true], 998104477Ssam [GCC_CAN_DISABLE_WARNINGS=false] 999104477Ssam ) 1000104477Ssam if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1001104477Ssam DISABLE_WARNING_PREFIX="-Wno-" 1002104477Ssam else 1003104477Ssam DISABLE_WARNING_PREFIX= 1004104477Ssam fi 1005104477Ssam CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1006104477Ssam # Repeate the check for the BUILD_CC 1007104477Ssam CC_OLD="$CC" 1008104477Ssam CC="$BUILD_CC" 1009104477Ssam FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist], 1010104477Ssam [BUILD_CC_CAN_DISABLE_WARNINGS=true], 1011104477Ssam [BUILD_CC_CAN_DISABLE_WARNINGS=false] 1012104477Ssam ) 1013104477Ssam if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then 1014104477Ssam BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-" 1015104477Ssam else 1016104477Ssam BUILD_CC_DISABLE_WARNING_PREFIX= 1017104477Ssam fi 1018104477Ssam CC="$CC_OLD" 1019104477Ssam ;; 1020104477Ssam clang) 1021104477Ssam DISABLE_WARNING_PREFIX="-Wno-" 1022104477Ssam CFLAGS_WARNINGS_ARE_ERRORS="-Werror" 1023104477Ssam ;; 1024104477Ssam esac 1025104477Ssam AC_SUBST(DISABLE_WARNING_PREFIX) 1026104477Ssam AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS) 1027104477Ssam]) 1028104477Ssam