common/autoconf/toolchain.m4

Thu, 02 May 2013 15:46:38 +0200

author
erikj
date
Thu, 02 May 2013 15:46:38 +0200
changeset 698
e404d321abc6
parent 672
2f43964043c2
child 699
e1a929afcfc4
permissions
-rw-r--r--

8013786: JDK-8013480 broke configure on solaris
Reviewed-by: tbell

     1 #
     2 # Copyright (c) 2011, 2012, 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 #
    26 # $1 = compiler to test (CC or CXX)
    27 # $2 = human readable name of compiler (C or C++)
    28 AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
    29 [
    30   COMPILER=[$]$1
    31   COMPILER_NAME=$2
    33   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
    34     # Make sure we use the Sun Studio compiler and not gcc on Solaris, which won't work
    35     COMPILER_VERSION_TEST=`$COMPILER -V 2>&1 | $HEAD -n 1`
    36     $ECHO $COMPILER_VERSION_TEST | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
    37     if test $? -ne 0; then
    38       GCC_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
    40       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required Sun Studio compiler.])
    41       AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_TEST" and with --version: "$GCC_VERSION_TEST"])
    42       AC_MSG_ERROR([Sun Studio compiler is required. Try setting --with-tools-dir.])
    43     else
    44       COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/p"`
    45       COMPILER_VENDOR="Sun Studio"
    46     fi
    47   elif test  "x$OPENJDK_TARGET_OS" = xwindows; then
    48     # First line typically looks something like:
    49     # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01 for 80x86
    50     COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1`
    51     COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*Version \(@<:@1-9@:>@@<:@0-9.@:>@*\) .*/\1/p"`
    52     COMPILER_VENDOR="Microsoft CL.EXE"
    53     COMPILER_CPU_TEST=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* for \(.*\)$/\1/p"`
    54     if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
    55       if test "x$COMPILER_CPU_TEST" != "x80x86"; then
    56         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
    57       fi
    58     elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
    59       if test "x$COMPILER_CPU_TEST" != "xx64"; then
    60         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
    61       fi
    62     fi
    63   else
    64     COMPILER_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
    65     # Check that this is likely to be GCC.
    66     $COMPILER --version 2>&1 | $GREP "Free Software Foundation" > /dev/null
    67     if test $? -ne 0; then
    68       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required GCC compiler.])
    69       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_TEST"])
    70       AC_MSG_ERROR([GCC compiler is required. Try setting --with-tools-dir.])
    71     fi
    73     # First line typically looks something like:
    74     # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
    75     COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/p"`
    76     COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) @<:@1-9@:>@@<:@0-9.@:>@*/\1/p"`
    77   fi
    78   # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
    79   $1_VERSION="$COMPILER_VERSION"
    80   # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)
    81   $1_VENDOR="$COMPILER_VENDOR"
    83   AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
    84 ])
    87 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
    88 [
    89 ###############################################################################
    90 #
    91 # Configure the development tool paths and potential sysroot.
    92 #
    93 AC_LANG(C++)
    95 # The option used to specify the target .o,.a or .so file.
    96 # When compiling, how to specify the to be created object file.
    97 CC_OUT_OPTION='-o$(SPACE)'
    98 # When linking, how to specify the to be created executable.
    99 EXE_OUT_OPTION='-o$(SPACE)'
   100 # When linking, how to specify the to be created dynamically linkable library.
   101 LD_OUT_OPTION='-o$(SPACE)'
   102 # When archiving, how to specify the to be create static archive for object files.
   103 AR_OUT_OPTION='rcs$(SPACE)'
   104 AC_SUBST(CC_OUT_OPTION)
   105 AC_SUBST(EXE_OUT_OPTION)
   106 AC_SUBST(LD_OUT_OPTION)
   107 AC_SUBST(AR_OUT_OPTION)
   108 ])
   110 # $1 = compiler to test (CC or CXX)
   111 # $2 = human readable name of compiler (C or C++)
   112 # $3 = list of compiler names to search for
   113 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
   114 [
   115   COMPILER_NAME=$2
   117   $1=
   118   # If TOOLS_DIR is set, check for all compiler names in there first
   119   # before checking the rest of the PATH.
   120   if test -n "$TOOLS_DIR"; then
   121     PATH_save="$PATH"
   122     PATH="$TOOLS_DIR"
   123     AC_PATH_PROGS(TOOLS_DIR_$1, $3)
   124     $1=$TOOLS_DIR_$1
   125     PATH="$PATH_save"
   126   fi
   128   # AC_PATH_PROGS can't be run multiple times with the same variable,
   129   # so create a new name for this run.
   130   if test "x[$]$1" = x; then
   131     AC_PATH_PROGS(POTENTIAL_$1, $3)
   132     $1=$POTENTIAL_$1
   133   fi
   135   if test "x[$]$1" = x; then
   136       HELP_MSG_MISSING_DEPENDENCY([devkit])
   137       AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
   138   fi
   139   BASIC_FIXUP_EXECUTABLE($1)
   140   AC_MSG_CHECKING([resolved symbolic links for $1])
   141   TEST_COMPILER="[$]$1"
   142   BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
   143   AC_MSG_RESULT([$TEST_COMPILER])
   144   AC_MSG_CHECKING([if $1 is disguised ccache])
   146   COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
   147   if test "x$COMPILER_BASENAME" = "xccache"; then
   148     AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
   149     # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
   150     # We want to control ccache invocation ourselves, so ignore this cc and try
   151     # searching again.
   153     # Remove the path to the fake ccache cc from the PATH
   154     RETRY_COMPILER_SAVED_PATH="$PATH"
   155     COMPILER_DIRNAME=`$DIRNAME [$]$1`
   156     PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
   158     # Try again looking for our compiler
   159     AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
   160     BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
   161     PATH="$RETRY_COMPILER_SAVED_PATH"
   163     AC_MSG_CHECKING([for resolved symbolic links for $1])
   164     BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
   165     AC_MSG_RESULT([$PROPER_COMPILER_$1])
   166     $1="$PROPER_COMPILER_$1"
   167   else
   168     AC_MSG_RESULT([no, keeping $1])
   169     $1="$TEST_COMPILER"
   170   fi
   171   TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
   172 ])
   175 AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
   176 [
   177 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   178   TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
   179   TOOLCHAIN_SETUP_DXSDK
   180 fi
   182 AC_SUBST(MSVCR_DLL)
   184 # If --build AND --host is set, then the configure script will find any
   185 # cross compilation tools in the PATH. Cross compilation tools
   186 # follows the cross compilation standard where they are prefixed with ${host}.
   187 # For example the binary i686-sun-solaris2.10-gcc
   188 # will cross compile for i686-sun-solaris2.10
   189 # If neither of build and host is not set, then build=host and the
   190 # default compiler found in the path will be used.
   191 # Setting only --host, does not seem to be really supported.
   192 # Please set both --build and --host if you want to cross compile.
   194 if test "x$COMPILE_TYPE" = "xcross"; then
   195     # Now we to find a C/C++ compiler that can build executables for the build
   196     # platform. We can't use the AC_PROG_CC macro, since it can only be used
   197     # once. Also, we need to do this before adding a tools dir to the path,
   198     # otherwise we might pick up cross-compilers which don't use standard naming.
   199     # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
   200     # to wait until they are properly discovered.
   201     AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
   202     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
   203     AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
   204     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
   205     AC_PATH_PROG(BUILD_LD, ld)
   206     BASIC_FIXUP_EXECUTABLE(BUILD_LD)
   207 fi
   208 AC_SUBST(BUILD_CC)
   209 AC_SUBST(BUILD_CXX)
   210 AC_SUBST(BUILD_LD)
   212 # If a devkit is found on the builddeps server, then prepend its path to the
   213 # PATH variable. If there are cross compilers available in the devkit, these
   214 # will be found by AC_PROG_CC et al.
   215 DEVKIT=
   216 BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
   217                     [# Found devkit
   218                      PATH="$DEVKIT/bin:$PATH"
   219                      SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
   220                      if test "x$x_includes" = "xNONE"; then
   221                          x_includes="$SYS_ROOT/usr/include/X11"
   222                      fi
   223                      if test "x$x_libraries" = "xNONE"; then
   224                          x_libraries="$SYS_ROOT/usr/lib"
   225                      fi
   226                     ],
   227                     [])
   229 if test "x$SYS_ROOT" != "x/" ; then                    
   230     CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
   231     CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
   232     OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
   233     OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS" 
   234     CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
   235     LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
   236 fi
   238 # Store the CFLAGS etal passed to the configure script.
   239 ORG_CFLAGS="$CFLAGS"
   240 ORG_CXXFLAGS="$CXXFLAGS"
   241 ORG_OBJCFLAGS="$OBJCFLAGS"
   243 # autoconf magic only relies on PATH, so update it if tools dir is specified
   244 OLD_PATH="$PATH"
   245 if test "x$TOOLS_DIR" != x; then
   246   PATH=$TOOLS_DIR:$PATH
   247 fi
   250 ### Locate C compiler (CC)
   252 # On windows, only cl.exe is supported.
   253 # On Solaris, cc is preferred to gcc.
   254 # Elsewhere, gcc is preferred to cc.
   256 if test "x$CC" != x; then
   257   COMPILER_CHECK_LIST="$CC"
   258 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   259   COMPILER_CHECK_LIST="cl"
   260 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
   261   COMPILER_CHECK_LIST="cc gcc"
   262 else
   263   COMPILER_CHECK_LIST="gcc cc"
   264 fi
   266 TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
   267 # Now that we have resolved CC ourself, let autoconf have its go at it
   268 AC_PROG_CC([$CC])
   270 ### Locate C++ compiler (CXX)
   272 if test "x$CXX" != x; then
   273   COMPILER_CHECK_LIST="$CXX"
   274 elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   275   COMPILER_CHECK_LIST="cl"
   276 elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
   277   COMPILER_CHECK_LIST="CC g++"
   278 else
   279   COMPILER_CHECK_LIST="g++ CC"
   280 fi
   282 TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
   283 # Now that we have resolved CXX ourself, let autoconf have its go at it
   284 AC_PROG_CXX([$CXX])
   286 ### Locate other tools
   288 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   289     AC_PROG_OBJC
   290     BASIC_FIXUP_EXECUTABLE(OBJC)
   291 else
   292     OBJC=
   293 fi
   295 # Restore the flags to the user specified values.
   296 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
   297 CFLAGS="$ORG_CFLAGS"
   298 CXXFLAGS="$ORG_CXXFLAGS"
   299 OBJCFLAGS="$ORG_OBJCFLAGS"
   301 LD="$CC"
   302 LDEXE="$CC"
   303 LDCXX="$CXX"
   304 LDEXECXX="$CXX"
   305 AC_SUBST(LD)
   306 # LDEXE is the linker to use, when creating executables.
   307 AC_SUBST(LDEXE)
   308 # Linking C++ libraries.
   309 AC_SUBST(LDCXX)
   310 # Linking C++ executables.
   311 AC_SUBST(LDEXECXX)
   313 if test "x$OPENJDK_TARGET_OS" != xwindows; then
   314     AC_CHECK_TOOL(AR, ar)
   315     BASIC_FIXUP_EXECUTABLE(AR)
   316 fi
   317 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   318     ARFLAGS="-r"
   319 else
   320     ARFLAGS=""
   321 fi
   322 AC_SUBST(ARFLAGS)
   324 # For hotspot, we need these in Windows mixed path; other platforms keep them the same
   325 HOTSPOT_CXX="$CXX"
   326 HOTSPOT_LD="$LD"
   327 AC_SUBST(HOTSPOT_CXX)
   328 AC_SUBST(HOTSPOT_LD)
   330 COMPILER_NAME=gcc
   331 COMPILER_TYPE=CC
   332 AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
   333     # For now, assume that we are always compiling using cl.exe. 
   334     CC_OUT_OPTION=-Fo
   335     EXE_OUT_OPTION=-out:
   336     LD_OUT_OPTION=-out:
   337     AR_OUT_OPTION=-out:
   338     # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
   339     # program for something completely different.
   340     AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
   341     # Since we must ignore the first found link, WINLD will contain
   342     # the full path to the link.exe program.
   343     BASIC_FIXUP_EXECUTABLE(WINLD)
   344     printf "Windows linker was found at $WINLD\n"
   345     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
   346     "$WINLD" --version > /dev/null
   347     if test $? -eq 0 ; then
   348       AC_MSG_RESULT([no])
   349       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
   350     else
   351       AC_MSG_RESULT([yes])
   352     fi
   353     LD="$WINLD"
   354     LDEXE="$WINLD"
   355     LDCXX="$WINLD"
   356     LDEXECXX="$WINLD"
   358     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
   359     BASIC_FIXUP_EXECUTABLE(MT)
   360     # The resource compiler
   361     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
   362     BASIC_FIXUP_EXECUTABLE(RC)
   364     # For hotspot, we need these in Windows mixed path,
   365     # so rewrite them all. Need added .exe suffix.
   366     HOTSPOT_CXX="$CXX.exe"
   367     HOTSPOT_LD="$LD.exe"
   368     HOTSPOT_MT="$MT.exe"
   369     HOTSPOT_RC="$RC.exe"
   370     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
   371     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
   372     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
   373     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
   374     AC_SUBST(HOTSPOT_MT)
   375     AC_SUBST(HOTSPOT_RC)
   377     RC_FLAGS="-nologo -l 0x409 -r"
   378     AS_IF([test "x$VARIANT" = xOPT], [
   379         RC_FLAGS="$RC_FLAGS -d NDEBUG"
   380     ])
   381     JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
   382     AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
   383         JDK_UPDATE_VERSION_NOTNULL=0
   384     ])
   385     RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
   386     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
   387     RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
   388     RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
   389     RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
   390     RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
   391     RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
   393     # lib.exe is used to create static libraries.
   394     AC_CHECK_PROG([WINAR], [lib],[lib],,,)
   395     BASIC_FIXUP_EXECUTABLE(WINAR)
   396     AR="$WINAR"
   397     ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
   399     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
   400     BASIC_FIXUP_EXECUTABLE(DUMPBIN)
   402     COMPILER_TYPE=CL
   403     CCXXFLAGS="$CCXXFLAGS -nologo"
   404 ])
   405 AC_SUBST(RC_FLAGS)
   406 AC_SUBST(COMPILER_TYPE)
   408 AC_PROG_CPP
   409 BASIC_FIXUP_EXECUTABLE(CPP)
   411 AC_PROG_CXXCPP
   412 BASIC_FIXUP_EXECUTABLE(CXXCPP)
   414 if test "x$COMPILE_TYPE" != "xcross"; then
   415     # If we are not cross compiling, use the same compilers for
   416     # building the build platform executables. The cross-compilation
   417     # case needed to be done earlier, but this can only be done after
   418     # the native tools have been localized.
   419     BUILD_CC="$CC"
   420     BUILD_CXX="$CXX"
   421     BUILD_LD="$LD"
   422 fi
   424 # for solaris we really need solaris tools, and not gnu equivalent
   425 #   these seems to normally reside in /usr/ccs/bin so add that to path before
   426 #   starting to probe
   427 #
   428 #   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
   429 #         so that it can be overriden --with-tools-dir
   430 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
   431     PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
   432 fi
   434 # Find the right assembler.
   435 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   436     AC_PATH_PROG(AS, as)
   437     BASIC_FIXUP_EXECUTABLE(AS)
   438 else
   439     AS="$CC -c"
   440 fi
   441 AC_SUBST(AS)
   443 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   444     AC_PATH_PROG(NM, nm)
   445     BASIC_FIXUP_EXECUTABLE(NM)
   446     AC_PATH_PROG(GNM, gnm)
   447     BASIC_FIXUP_EXECUTABLE(GNM)
   448     AC_PATH_PROG(STRIP, strip)
   449     BASIC_FIXUP_EXECUTABLE(STRIP)
   450     AC_PATH_PROG(MCS, mcs)
   451     BASIC_FIXUP_EXECUTABLE(MCS)
   452 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
   453     AC_CHECK_TOOL(NM, nm)
   454     BASIC_FIXUP_EXECUTABLE(NM)
   455     GNM="$NM"
   456     AC_SUBST(GNM)
   457     AC_CHECK_TOOL(STRIP, strip)
   458     BASIC_FIXUP_EXECUTABLE(STRIP)
   459 fi
   461 # objcopy is used for moving debug symbols to separate files when
   462 # full debug symbols are enabled.
   463 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
   464     AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
   465     # Only call fixup if objcopy was found.
   466     if test -n "$OBJCOPY"; then
   467         BASIC_FIXUP_EXECUTABLE(OBJCOPY)
   468     fi
   469 fi
   471 AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
   472 if test "x$OBJDUMP" != x; then
   473   # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
   474   BASIC_FIXUP_EXECUTABLE(OBJDUMP)
   475 fi
   477 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
   478    AC_PATH_PROG(LIPO, lipo)
   479    BASIC_FIXUP_EXECUTABLE(LIPO)
   480 fi
   482 # Restore old path without tools dir
   483 PATH="$OLD_PATH"
   484 ])
   487 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
   488 [
   490 ###############################################################################
   491 #
   492 # How to compile shared libraries. 
   493 #
   495 if test "x$GCC" = xyes; then
   496     COMPILER_NAME=gcc
   497     PICFLAG="-fPIC"
   498     LIBRARY_PREFIX=lib
   499     SHARED_LIBRARY='lib[$]1.so'
   500     STATIC_LIBRARY='lib[$]1.a'
   501     SHARED_LIBRARY_FLAGS="-shared"
   502     SHARED_LIBRARY_SUFFIX='.so'
   503     STATIC_LIBRARY_SUFFIX='.a'
   504     OBJ_SUFFIX='.o'
   505     EXE_SUFFIX=''
   506     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
   507     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
   508     C_FLAG_REORDER=''
   509     CXX_FLAG_REORDER=''
   510     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   511     SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   512     LD="$CC"
   513     LDEXE="$CC"
   514     LDCXX="$CXX"
   515     LDEXECXX="$CXX"
   516     POST_STRIP_CMD="$STRIP -g"
   518     # Linking is different on MacOSX
   519     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   520         # Might change in the future to clang.
   521         COMPILER_NAME=gcc
   522         SHARED_LIBRARY='lib[$]1.dylib'
   523         SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
   524         SHARED_LIBRARY_SUFFIX='.dylib'
   525         EXE_SUFFIX=''
   526         SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
   527         SET_SHARED_LIBRARY_MAPFILE=''
   528         SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
   529         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   530         POST_STRIP_CMD="$STRIP -S"
   531     fi
   532 else
   533     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   534         # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
   535         COMPILER_NAME=ossc
   536         PICFLAG="-KPIC"
   537         LIBRARY_PREFIX=lib
   538         SHARED_LIBRARY='lib[$]1.so'
   539         STATIC_LIBRARY='lib[$]1.a'
   540         SHARED_LIBRARY_FLAGS="-G"
   541         SHARED_LIBRARY_SUFFIX='.so'
   542         STATIC_LIBRARY_SUFFIX='.a'
   543         OBJ_SUFFIX='.o'
   544         EXE_SUFFIX=''
   545         SET_SHARED_LIBRARY_NAME=''
   546         SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
   547 	C_FLAG_REORDER='-xF'
   548 	CXX_FLAG_REORDER='-xF'
   549         SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
   550         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   551         CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
   552         CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
   553         CFLAGS_JDKLIB_EXTRA='-xstrconst'
   554         POST_STRIP_CMD="$STRIP -x"
   555         POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
   556     fi
   557     if test "x$OPENJDK_TARGET_OS" = xwindows; then
   558         # If it is not gcc, then assume it is the MS Visual Studio compiler
   559         COMPILER_NAME=cl
   560         PICFLAG=""
   561         LIBRARY_PREFIX=
   562         SHARED_LIBRARY='[$]1.dll'
   563         STATIC_LIBRARY='[$]1.lib'
   564         SHARED_LIBRARY_FLAGS="-LD"
   565         SHARED_LIBRARY_SUFFIX='.dll'
   566         STATIC_LIBRARY_SUFFIX='.lib'
   567         OBJ_SUFFIX='.obj'
   568         EXE_SUFFIX='.exe'
   569         SET_SHARED_LIBRARY_NAME=''
   570         SET_SHARED_LIBRARY_MAPFILE=''
   571         SET_SHARED_LIBRARY_ORIGIN=''
   572         SET_EXECUTABLE_ORIGIN=''
   573     fi
   574 fi
   576 AC_SUBST(OBJ_SUFFIX)
   577 AC_SUBST(SHARED_LIBRARY)
   578 AC_SUBST(STATIC_LIBRARY)
   579 AC_SUBST(LIBRARY_PREFIX)
   580 AC_SUBST(SHARED_LIBRARY_SUFFIX)
   581 AC_SUBST(STATIC_LIBRARY_SUFFIX)
   582 AC_SUBST(EXE_SUFFIX)
   583 AC_SUBST(SHARED_LIBRARY_FLAGS)
   584 AC_SUBST(SET_SHARED_LIBRARY_NAME)
   585 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
   586 AC_SUBST(C_FLAG_REORDER)
   587 AC_SUBST(CXX_FLAG_REORDER)
   588 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
   589 AC_SUBST(SET_EXECUTABLE_ORIGIN)
   590 AC_SUBST(POST_STRIP_CMD)
   591 AC_SUBST(POST_MCS_CMD)
   593 # The (cross) compiler is now configured, we can now test capabilities
   594 # of the target platform.
   595 ])
   597 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
   598 [
   600 ###############################################################################
   601 #
   602 # Setup the opt flags for different compilers
   603 # and different operating systems.
   604 #
   606 #
   607 # NOTE: check for -mstackrealign needs to be below potential addition of -m32
   608 #
   609 if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
   610     # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
   611     # While waiting for a better solution, the current workaround is to use -mstackrealign.
   612     CFLAGS="$CFLAGS -mstackrealign"
   613     AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
   614     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
   615                    [
   616 		        AC_MSG_RESULT([yes])
   617                    ],
   618 	           [
   619 		        AC_MSG_RESULT([no])
   620 	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
   621 	           ])
   622 fi
   624 C_FLAG_DEPS="-MMD -MF"
   625 CXX_FLAG_DEPS="-MMD -MF"
   627 case $COMPILER_TYPE in
   628   CC )
   629     D_FLAG="-g"
   630     case $COMPILER_NAME in
   631       gcc )
   632       	case $OPENJDK_TARGET_OS in
   633 	  macosx )
   634 	    # On MacOSX we optimize for size, something
   635 	    # we should do for all platforms?
   636 	    C_O_FLAG_HI="-Os"
   637 	    C_O_FLAG_NORM="-Os"
   638 	    C_O_FLAG_NONE=""
   639 	    ;;
   640 	  *)
   641 	    C_O_FLAG_HI="-O3"
   642 	    C_O_FLAG_NORM="-O2"
   643 	    C_O_FLAG_NONE="-O0"
   644 	    CFLAGS_DEBUG_SYMBOLS="-g"
   645 	    CXXFLAGS_DEBUG_SYMBOLS="-g"
   646 	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
   647 	       CFLAGS_DEBUG_SYMBOLS="-g1"
   648 	       CXXFLAGS_DEBUG_SYMBOLS="-g1"
   649 	    fi
   650 	    ;;
   651 	esac
   652         CXX_O_FLAG_HI="$C_O_FLAG_HI"
   653         CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   654         CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   655         ;;
   656       ossc )
   657         #
   658         # Forte has different names for this with their C++ compiler...
   659         #
   660         C_FLAG_DEPS="-xMMD -xMF"
   661         CXX_FLAG_DEPS="-xMMD -xMF"
   663         # Extra options used with HIGHEST
   664         #
   665         # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
   666         #          done with care, there are some assumptions below that need to
   667         #          be understood about the use of pointers, and IEEE behavior.
   668         #
   669         # Use non-standard floating point mode (not IEEE 754)
   670         CC_HIGHEST="$CC_HIGHEST -fns"
   671         # Do some simplification of floating point arithmetic (not IEEE 754)
   672         CC_HIGHEST="$CC_HIGHEST -fsimple"
   673         # Use single precision floating point with 'float'
   674         CC_HIGHEST="$CC_HIGHEST -fsingle"
   675         # Assume memory references via basic pointer types do not alias
   676         #   (Source with excessing pointer casting and data access with mixed 
   677         #    pointer types are not recommended)
   678         CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
   679         # Use intrinsic or inline versions for math/std functions
   680         #   (If you expect perfect errno behavior, do not use this)
   681         CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
   682         # Loop data dependency optimizations (need -xO3 or higher)
   683         CC_HIGHEST="$CC_HIGHEST -xdepend"
   684         # Pointer parameters to functions do not overlap
   685         #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
   686         #    If you pass in multiple pointers to the same data, do not use this)
   687         CC_HIGHEST="$CC_HIGHEST -xrestrict"
   688         # Inline some library routines
   689         #   (If you expect perfect errno behavior, do not use this)
   690         CC_HIGHEST="$CC_HIGHEST -xlibmil"
   691         # Use optimized math routines
   692         #   (If you expect perfect errno behavior, do not use this)
   693         #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
   694         #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
   696         if test "x$OPENJDK_TARGET_CPU" = xsparc; then
   697           CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
   698           CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
   699         fi
   701         case $OPENJDK_TARGET_CPU_ARCH in
   702           x86)
   703             C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
   704             C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
   705             C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
   706             C_O_FLAG_NONE="-xregs=no%frameptr"
   707             CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
   708             CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
   709             CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
   710             CXX_O_FLAG_NONE="-xregs=no%frameptr"
   711             if test "x$OPENJDK_TARGET_CPU" = xx86; then
   712                C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
   713                CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
   714             fi
   715             ;;
   716           sparc)
   717             CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
   718             CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
   719             C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
   720             C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
   721             C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
   722             C_O_FLAG_NONE=""
   723             CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
   724             CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   725             CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   726             CXX_O_FLAG_NONE=""
   727             ;;
   728         esac
   730     CFLAGS_DEBUG_SYMBOLS="-g -xs"
   731     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
   732     esac
   733     ;;
   734   CL )
   735     D_FLAG=
   736     C_O_FLAG_HIGHEST="-O2"
   737     C_O_FLAG_HI="-O1"
   738     C_O_FLAG_NORM="-O1"
   739     C_O_FLAG_NONE="-Od"
   740     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
   741     CXX_O_FLAG_HI="$C_O_FLAG_HI"
   742     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   743     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   744     ;;
   745 esac
   747 if test -z "$C_O_FLAG_HIGHEST"; then
   748    C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
   749 fi
   751 if test -z "$CXX_O_FLAG_HIGHEST"; then
   752    CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
   753 fi
   755 AC_SUBST(C_O_FLAG_HIGHEST)
   756 AC_SUBST(C_O_FLAG_HI)
   757 AC_SUBST(C_O_FLAG_NORM)
   758 AC_SUBST(C_O_FLAG_NONE)
   759 AC_SUBST(CXX_O_FLAG_HIGHEST)
   760 AC_SUBST(CXX_O_FLAG_HI)
   761 AC_SUBST(CXX_O_FLAG_NORM)
   762 AC_SUBST(CXX_O_FLAG_NONE)
   763 AC_SUBST(C_FLAG_DEPS)
   764 AC_SUBST(CXX_FLAG_DEPS)
   765 ])
   767 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
   768 [
   770 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
   771    AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
   772 fi
   774 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
   775    AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
   776 fi
   778 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
   779    AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
   780 fi
   782 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
   783     [extra flags to be used when compiling jdk c-files])])
   785 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
   786     [extra flags to be used when compiling jdk c++-files])])
   788 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
   789     [extra flags to be used when linking jdk])])
   791 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
   792 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
   793 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
   795 # Hotspot needs these set in their legacy form
   796 LEGACY_EXTRA_CFLAGS=$with_extra_cflags
   797 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
   798 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
   800 AC_SUBST(LEGACY_EXTRA_CFLAGS)
   801 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
   802 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
   804 ###############################################################################
   805 #
   806 # Now setup the CFLAGS and LDFLAGS for the JDK build.
   807 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
   808 #
   809 case $COMPILER_NAME in
   810       gcc )
   811       	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
   812                           -pipe \
   813                           -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
   814 	  case $OPENJDK_TARGET_CPU_ARCH in
   815 	  arm )
   816             # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
   817 	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   818 	  ;;
   819 	  ppc )
   820             # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
   821 	  ;;
   822 	  * )
   823 	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
   824 	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   825           ;;
   826 	  esac
   827           ;;
   828       ossc )
   829           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
   830           case $OPENJDK_TARGET_CPU_ARCH in
   831           x86 )
   832             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
   833        	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
   834           ;;
   835           esac
   837       	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
   838       	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
   840           LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
   841           LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
   842           ;;
   843       cl )
   844           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
   845                -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
   846 	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
   847 	       -DWIN32 -DIAL"
   848           case $OPENJDK_TARGET_CPU in
   849               x86 )
   850                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
   851                   ;;
   852               x86_64 )
   853                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
   854                   ;;
   855           esac
   856           ;;
   857 esac
   859 ###############################################################################
   861 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
   863 # The package path is used only on macosx?
   864 PACKAGE_PATH=/opt/local
   865 AC_SUBST(PACKAGE_PATH)
   867 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
   868     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
   869     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
   870     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
   871     #   Note: -Dmacro         is the same as    #define macro 1
   872     #         -Dmacro=	    is the same as    #define macro
   873     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   874         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
   875     else
   876         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
   877     fi
   878 else
   879     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
   880 fi
   881 if test "x$OPENJDK_TARGET_OS" = xlinux; then
   882     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
   883 fi
   884 if test "x$OPENJDK_TARGET_OS" = xwindows; then
   885     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
   886 fi
   887 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   888     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
   889 fi
   890 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   891     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
   892     # Setting these parameters makes it an error to link to macosx APIs that are 
   893     # newer than the given OS version and makes the linked binaries compatible even
   894     # if built on a newer version of the OS.
   895     # The expected format is X.Y.Z
   896     MACOSX_VERSION_MIN=10.7.0
   897     AC_SUBST(MACOSX_VERSION_MIN)
   898     # The macro takes the version with no dots, ex: 1070
   899     # Let the flags variables get resolved in make for easier override on make
   900     # command line.
   901     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   902     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   903 fi
   904 if test "x$OPENJDK_TARGET_OS" = xbsd; then
   905     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
   906 fi
   907 if test "x$DEBUG_LEVEL" = xrelease; then
   908     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
   909     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   910         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
   911     fi
   912 else
   913     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
   914 fi
   916 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
   917 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
   919 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
   920         -I${JDK_OUTPUTDIR}/include \
   921         -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
   922         -I${JDK_TOPDIR}/src/share/javavm/export \
   923         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
   924         -I${JDK_TOPDIR}/src/share/native/common \
   925         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
   927 # The shared libraries are compiled using the picflag.
   928 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
   929 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
   931 # Executable flags
   932 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
   933 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
   935 # Now this is odd. The JDK native libraries have to link against libjvm.so
   936 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
   937 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
   938 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
   939 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
   940 # libraries will link to whatever is in memory. Yuck. 
   941 #
   942 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
   943 if test "x$COMPILER_NAME" = xcl; then
   944     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
   945     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
   946         LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
   947     fi
   948     # TODO: make -debug optional "--disable-full-debug-symbols"
   949     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
   950     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
   951     LDFLAGS_JDKLIB_SUFFIX=""
   952     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
   953         LDFLAGS_STACK_SIZE=1048576
   954     else
   955         LDFLAGS_STACK_SIZE=327680
   956     fi
   957     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
   958 else
   959     if test "x$COMPILER_NAME" = xgcc; then
   960         # If this is a --hash-style=gnu system, use --hash-style=both, why?
   961         HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
   962         if test -n "$HAS_GNU_HASH"; then
   963             LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
   964         fi
   965         if test "x$OPENJDK_TARGET_OS" = xlinux; then 
   966           # And since we now know that the linker is gnu, then add -z defs, to forbid
   967           # undefined symbols in object files.
   968           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
   969           if test "x$DEBUG_LEVEL" = "xrelease"; then
   970               # When building release libraries, tell the linker optimize them.
   971               # Should this be supplied to the OSS linker as well?
   972               LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
   973           fi
   974         fi
   975     fi
   976     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
   977                     -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
   979     # On some platforms (mac) the linker warns about non existing -L dirs.
   980     # Add server first if available. Linking aginst client does not always produce the same results.
   981     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
   982     # Default to server for other variants.
   983     if test "x$JVM_VARIANT_SERVER" = xtrue; then
   984         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
   985     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
   986         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
   987     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
   988         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
   989     else
   990         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
   991     fi
   993     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
   994     if test "x$COMPILER_NAME" = xossc; then
   995         LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
   996     fi
   998     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
   999     if test "x$OPENJDK_TARGET_OS" = xlinux; then
  1000         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
  1001     fi
  1002 fi
  1004 # Adjust flags according to debug level.
  1005 case $DEBUG_LEVEL in
  1006       fastdebug ) 
  1007               CFLAGS="$CFLAGS $D_FLAG"
  1008               JAVAC_FLAGS="$JAVAC_FLAGS -g"
  1009               ;;
  1010       slowdebug )
  1011               CFLAGS="$CFLAGS $D_FLAG"
  1012 	      C_O_FLAG_HI="$C_O_FLAG_NONE"
  1013 	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
  1014 	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
  1015 	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
  1016               JAVAC_FLAGS="$JAVAC_FLAGS -g"
  1017               ;;
  1018 esac              
  1021 AC_SUBST(CFLAGS_JDKLIB)
  1022 AC_SUBST(CFLAGS_JDKEXE)
  1024 AC_SUBST(CXXFLAGS_JDKLIB)
  1025 AC_SUBST(CXXFLAGS_JDKEXE)
  1027 AC_SUBST(LDFLAGS_JDKLIB)
  1028 AC_SUBST(LDFLAGS_JDKEXE)
  1029 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
  1030 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
  1031 AC_SUBST(LDFLAGS_CXX_JDK)
  1032 ])
  1035 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
  1036 #                                   [RUN-IF-FALSE])
  1037 # ------------------------------------------------------------
  1038 # Check that the c and c++ compilers support an argument
  1039 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
  1041   AC_MSG_CHECKING([if compiler supports "$1"])
  1042   supports=yes
  1044   saved_cflags="$CFLAGS"
  1045   CFLAGS="$CFLAGS $1"
  1046   AC_LANG_PUSH([C])
  1047   AC_COMPILE_IFELSE([
  1048     AC_LANG_SOURCE([[int i;]])
  1049   ], [], [supports=no])
  1050   AC_LANG_POP([C])
  1051   CFLAGS="$saved_cflags"
  1053   saved_cxxflags="$CXXFLAGS"
  1054   CXXFLAGS="$CXXFLAG $1"
  1055   AC_LANG_PUSH([C++])
  1056   AC_COMPILE_IFELSE([
  1057     AC_LANG_SOURCE([[int i;]])
  1058   ], [], [supports=no])
  1059   AC_LANG_POP([C++])
  1060   CXXFLAGS="$saved_cxxflags"
  1062   AC_MSG_RESULT([$supports])
  1063   if test "x$supports" = "xyes" ; then
  1064     m4_ifval([$2], [$2], [:])
  1065   else
  1066     m4_ifval([$3], [$3], [:])
  1067   fi
  1068 ])
  1070 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
  1072   # Some Zero and Shark settings.
  1073   # ZERO_ARCHFLAG tells the compiler which mode to build for
  1074   case "${OPENJDK_TARGET_CPU}" in
  1075     s390)
  1076       ZERO_ARCHFLAG="-m31"
  1077       ;;
  1078     *)
  1079       ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
  1080   esac
  1081   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
  1082   AC_SUBST(ZERO_ARCHFLAG)
  1084   # Check that the compiler supports -mX flags
  1085   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
  1086   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
  1087     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
  1088     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
  1089   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
  1090 ])

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