common/autoconf/toolchain.m4

Wed, 13 Mar 2013 23:21:35 -0700

author
lana
date
Wed, 13 Mar 2013 23:21:35 -0700
changeset 654
22b9a31a92eb
parent 637
52741ab7c601
parent 650
c4901c0e0579
child 672
2f43964043c2
permissions
-rw-r--r--

Merge

     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_PROGS(NM, [gnm nm])
   445     BASIC_FIXUP_EXECUTABLE(NM)
   446     AC_PATH_PROG(STRIP, strip)
   447     BASIC_FIXUP_EXECUTABLE(STRIP)
   448     AC_PATH_PROG(MCS, mcs)
   449     BASIC_FIXUP_EXECUTABLE(MCS)
   450 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
   451     AC_CHECK_TOOL(NM, nm)
   452     BASIC_FIXUP_EXECUTABLE(NM)
   453     AC_CHECK_TOOL(STRIP, strip)
   454     BASIC_FIXUP_EXECUTABLE(STRIP)
   455 fi
   457 # objcopy is used for moving debug symbols to separate files when
   458 # full debug symbols are enabled.
   459 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
   460     AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
   461     # Only call fixup if objcopy was found.
   462     if test -n "$OBJCOPY"; then
   463         BASIC_FIXUP_EXECUTABLE(OBJCOPY)
   464     fi
   465 fi
   467 AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
   468 if test "x$OBJDUMP" != x; then
   469   # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
   470   BASIC_FIXUP_EXECUTABLE(OBJDUMP)
   471 fi
   473 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
   474    AC_PATH_PROG(LIPO, lipo)
   475    BASIC_FIXUP_EXECUTABLE(LIPO)
   476 fi
   478 # Restore old path without tools dir
   479 PATH="$OLD_PATH"
   480 ])
   483 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
   484 [
   486 ###############################################################################
   487 #
   488 # How to compile shared libraries. 
   489 #
   491 if test "x$GCC" = xyes; then
   492     COMPILER_NAME=gcc
   493     PICFLAG="-fPIC"
   494     LIBRARY_PREFIX=lib
   495     SHARED_LIBRARY='lib[$]1.so'
   496     STATIC_LIBRARY='lib[$]1.a'
   497     SHARED_LIBRARY_FLAGS="-shared"
   498     SHARED_LIBRARY_SUFFIX='.so'
   499     STATIC_LIBRARY_SUFFIX='.a'
   500     OBJ_SUFFIX='.o'
   501     EXE_SUFFIX=''
   502     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
   503     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
   504     C_FLAG_REORDER=''
   505     CXX_FLAG_REORDER=''
   506     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   507     SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   508     LD="$CC"
   509     LDEXE="$CC"
   510     LDCXX="$CXX"
   511     LDEXECXX="$CXX"
   512     POST_STRIP_CMD="$STRIP -g"
   514     # Linking is different on MacOSX
   515     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   516         # Might change in the future to clang.
   517         COMPILER_NAME=gcc
   518         SHARED_LIBRARY='lib[$]1.dylib'
   519         SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
   520         SHARED_LIBRARY_SUFFIX='.dylib'
   521         EXE_SUFFIX=''
   522         SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1' 
   523         SET_SHARED_LIBRARY_MAPFILE=''
   524         SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
   525         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   526         POST_STRIP_CMD="$STRIP -S"
   527     fi
   528 else
   529     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   530         # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
   531         COMPILER_NAME=ossc
   532         PICFLAG="-KPIC"
   533         LIBRARY_PREFIX=lib
   534         SHARED_LIBRARY='lib[$]1.so'
   535         STATIC_LIBRARY='lib[$]1.a'
   536         SHARED_LIBRARY_FLAGS="-G"
   537         SHARED_LIBRARY_SUFFIX='.so'
   538         STATIC_LIBRARY_SUFFIX='.a'
   539         OBJ_SUFFIX='.o'
   540         EXE_SUFFIX=''
   541         SET_SHARED_LIBRARY_NAME=''
   542         SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
   543 	C_FLAG_REORDER='-xF'
   544 	CXX_FLAG_REORDER='-xF'
   545         SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
   546         SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   547         CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
   548         CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
   549         CFLAGS_JDKLIB_EXTRA='-xstrconst'
   550         POST_STRIP_CMD="$STRIP -x"
   551         POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
   552     fi
   553     if test "x$OPENJDK_TARGET_OS" = xwindows; then
   554         # If it is not gcc, then assume it is the MS Visual Studio compiler
   555         COMPILER_NAME=cl
   556         PICFLAG=""
   557         LIBRARY_PREFIX=
   558         SHARED_LIBRARY='[$]1.dll'
   559         STATIC_LIBRARY='[$]1.lib'
   560         SHARED_LIBRARY_FLAGS="-LD"
   561         SHARED_LIBRARY_SUFFIX='.dll'
   562         STATIC_LIBRARY_SUFFIX='.lib'
   563         OBJ_SUFFIX='.obj'
   564         EXE_SUFFIX='.exe'
   565         SET_SHARED_LIBRARY_NAME=''
   566         SET_SHARED_LIBRARY_MAPFILE=''
   567         SET_SHARED_LIBRARY_ORIGIN=''
   568         SET_EXECUTABLE_ORIGIN=''
   569     fi
   570 fi
   572 AC_SUBST(OBJ_SUFFIX)
   573 AC_SUBST(SHARED_LIBRARY)
   574 AC_SUBST(STATIC_LIBRARY)
   575 AC_SUBST(LIBRARY_PREFIX)
   576 AC_SUBST(SHARED_LIBRARY_SUFFIX)
   577 AC_SUBST(STATIC_LIBRARY_SUFFIX)
   578 AC_SUBST(EXE_SUFFIX)
   579 AC_SUBST(SHARED_LIBRARY_FLAGS)
   580 AC_SUBST(SET_SHARED_LIBRARY_NAME)
   581 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
   582 AC_SUBST(C_FLAG_REORDER)
   583 AC_SUBST(CXX_FLAG_REORDER)
   584 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
   585 AC_SUBST(SET_EXECUTABLE_ORIGIN)
   586 AC_SUBST(POST_STRIP_CMD)
   587 AC_SUBST(POST_MCS_CMD)
   589 # The (cross) compiler is now configured, we can now test capabilities
   590 # of the target platform.
   591 ])
   593 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
   594 [
   596 ###############################################################################
   597 #
   598 # Setup the opt flags for different compilers
   599 # and different operating systems.
   600 #
   602 #
   603 # NOTE: check for -mstackrealign needs to be below potential addition of -m32
   604 #
   605 if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
   606     # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
   607     # While waiting for a better solution, the current workaround is to use -mstackrealign.
   608     CFLAGS="$CFLAGS -mstackrealign"
   609     AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
   610     AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
   611                    [
   612 		        AC_MSG_RESULT([yes])
   613                    ],
   614 	           [
   615 		        AC_MSG_RESULT([no])
   616 	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
   617 	           ])
   618 fi
   620 C_FLAG_DEPS="-MMD -MF"
   621 CXX_FLAG_DEPS="-MMD -MF"
   623 case $COMPILER_TYPE in
   624   CC )
   625     D_FLAG="-g"
   626     case $COMPILER_NAME in
   627       gcc )
   628       	case $OPENJDK_TARGET_OS in
   629 	  macosx )
   630 	    # On MacOSX we optimize for size, something
   631 	    # we should do for all platforms?
   632 	    C_O_FLAG_HI="-Os"
   633 	    C_O_FLAG_NORM="-Os"
   634 	    C_O_FLAG_NONE=""
   635 	    ;;
   636 	  *)
   637 	    C_O_FLAG_HI="-O3"
   638 	    C_O_FLAG_NORM="-O2"
   639 	    C_O_FLAG_NONE="-O0"
   640 	    CFLAGS_DEBUG_SYMBOLS="-g"
   641 	    CXXFLAGS_DEBUG_SYMBOLS="-g"
   642 	    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
   643 	       CFLAGS_DEBUG_SYMBOLS="-g1"
   644 	       CXXFLAGS_DEBUG_SYMBOLS="-g1"
   645 	    fi
   646 	    ;;
   647 	esac
   648         CXX_O_FLAG_HI="$C_O_FLAG_HI"
   649         CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   650         CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   651         ;;
   652       ossc )
   653         #
   654         # Forte has different names for this with their C++ compiler...
   655         #
   656         C_FLAG_DEPS="-xMMD -xMF"
   657         CXX_FLAG_DEPS="-xMMD -xMF"
   659         # Extra options used with HIGHEST
   660         #
   661         # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
   662         #          done with care, there are some assumptions below that need to
   663         #          be understood about the use of pointers, and IEEE behavior.
   664         #
   665         # Use non-standard floating point mode (not IEEE 754)
   666         CC_HIGHEST="$CC_HIGHEST -fns"
   667         # Do some simplification of floating point arithmetic (not IEEE 754)
   668         CC_HIGHEST="$CC_HIGHEST -fsimple"
   669         # Use single precision floating point with 'float'
   670         CC_HIGHEST="$CC_HIGHEST -fsingle"
   671         # Assume memory references via basic pointer types do not alias
   672         #   (Source with excessing pointer casting and data access with mixed 
   673         #    pointer types are not recommended)
   674         CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
   675         # Use intrinsic or inline versions for math/std functions
   676         #   (If you expect perfect errno behavior, do not use this)
   677         CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
   678         # Loop data dependency optimizations (need -xO3 or higher)
   679         CC_HIGHEST="$CC_HIGHEST -xdepend"
   680         # Pointer parameters to functions do not overlap
   681         #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
   682         #    If you pass in multiple pointers to the same data, do not use this)
   683         CC_HIGHEST="$CC_HIGHEST -xrestrict"
   684         # Inline some library routines
   685         #   (If you expect perfect errno behavior, do not use this)
   686         CC_HIGHEST="$CC_HIGHEST -xlibmil"
   687         # Use optimized math routines
   688         #   (If you expect perfect errno behavior, do not use this)
   689         #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
   690         #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
   692         if test "x$OPENJDK_TARGET_CPU" = xsparc; then
   693           CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
   694           CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
   695         fi
   697         case $OPENJDK_TARGET_CPU_ARCH in
   698           x86)
   699             C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
   700             C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
   701             C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
   702             C_O_FLAG_NONE="-xregs=no%frameptr"
   703             CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
   704             CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
   705             CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
   706             CXX_O_FLAG_NONE="-xregs=no%frameptr"
   707             if test "x$OPENJDK_TARGET_CPU" = xx86; then
   708                C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
   709                CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
   710             fi
   711             ;;
   712           sparc)
   713             CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
   714             CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
   715             C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
   716             C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
   717             C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
   718             C_O_FLAG_NONE=""
   719             CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
   720             CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   721             CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   722             CXX_O_FLAG_NONE=""
   723             ;;
   724         esac
   726     CFLAGS_DEBUG_SYMBOLS="-g -xs"
   727     CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
   728     esac
   729     ;;
   730   CL )
   731     D_FLAG=
   732     C_O_FLAG_HIGHEST="-O2"
   733     C_O_FLAG_HI="-O1"
   734     C_O_FLAG_NORM="-O1"
   735     C_O_FLAG_NONE="-Od"
   736     CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
   737     CXX_O_FLAG_HI="$C_O_FLAG_HI"
   738     CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   739     CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   740     ;;
   741 esac
   743 if test -z "$C_O_FLAG_HIGHEST"; then
   744    C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
   745 fi
   747 if test -z "$CXX_O_FLAG_HIGHEST"; then
   748    CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
   749 fi
   751 AC_SUBST(C_O_FLAG_HIGHEST)
   752 AC_SUBST(C_O_FLAG_HI)
   753 AC_SUBST(C_O_FLAG_NORM)
   754 AC_SUBST(C_O_FLAG_NONE)
   755 AC_SUBST(CXX_O_FLAG_HIGHEST)
   756 AC_SUBST(CXX_O_FLAG_HI)
   757 AC_SUBST(CXX_O_FLAG_NORM)
   758 AC_SUBST(CXX_O_FLAG_NONE)
   759 AC_SUBST(C_FLAG_DEPS)
   760 AC_SUBST(CXX_FLAG_DEPS)
   761 ])
   763 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
   764 [
   766 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
   767    AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
   768 fi
   770 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
   771    AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
   772 fi
   774 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
   775    AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
   776 fi
   778 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
   779     [extra flags to be used when compiling jdk c-files])])
   781 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
   782     [extra flags to be used when compiling jdk c++-files])])
   784 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
   785     [extra flags to be used when linking jdk])])
   787 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
   788 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
   789 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
   791 # Hotspot needs these set in their legacy form
   792 LEGACY_EXTRA_CFLAGS=$with_extra_cflags
   793 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
   794 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
   796 AC_SUBST(LEGACY_EXTRA_CFLAGS)
   797 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
   798 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
   800 ###############################################################################
   801 #
   802 # Now setup the CFLAGS and LDFLAGS for the JDK build.
   803 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
   804 #
   805 case $COMPILER_NAME in
   806       gcc )
   807       	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
   808                           -pipe \
   809                           -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
   810 	  case $OPENJDK_TARGET_CPU_ARCH in
   811 	  arm )
   812             # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
   813 	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   814 	  ;;
   815 	  ppc )
   816             # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
   817 	  ;;
   818 	  * )
   819 	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
   820 	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   821           ;;
   822 	  esac
   823           ;;
   824       ossc )
   825           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
   826           case $OPENJDK_TARGET_CPU_ARCH in
   827           x86 )
   828             CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
   829        	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
   830           ;;
   831           esac
   833       	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
   834       	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
   836           LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
   837           LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
   838           ;;
   839       cl )
   840           CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
   841                -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
   842 	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
   843 	       -DWIN32 -DIAL"
   844           case $OPENJDK_TARGET_CPU in
   845               x86 )
   846                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
   847                   ;;
   848               x86_64 )
   849                   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
   850                   ;;
   851           esac
   852           ;;
   853 esac
   855 ###############################################################################
   857 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
   859 # The package path is used only on macosx?
   860 PACKAGE_PATH=/opt/local
   861 AC_SUBST(PACKAGE_PATH)
   863 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
   864     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
   865     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
   866     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
   867     #   Note: -Dmacro         is the same as    #define macro 1
   868     #         -Dmacro=	    is the same as    #define macro
   869     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   870         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
   871     else
   872         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
   873     fi
   874 else
   875     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
   876 fi
   877 if test "x$OPENJDK_TARGET_OS" = xlinux; then
   878     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
   879 fi
   880 if test "x$OPENJDK_TARGET_OS" = xwindows; then
   881     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
   882 fi
   883 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   884     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
   885 fi
   886 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   887     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
   888     # Setting these parameters makes it an error to link to macosx APIs that are 
   889     # newer than the given OS version and makes the linked binaries compatible even
   890     # if built on a newer version of the OS.
   891     # The expected format is X.Y.Z
   892     MACOSX_VERSION_MIN=10.7.0
   893     AC_SUBST(MACOSX_VERSION_MIN)
   894     # The macro takes the version with no dots, ex: 1070
   895     # Let the flags variables get resolved in make for easier override on make
   896     # command line.
   897     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   898     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   899 fi
   900 if test "x$OPENJDK_TARGET_OS" = xbsd; then
   901     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
   902 fi
   903 if test "x$DEBUG_LEVEL" = xrelease; then
   904     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
   905     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   906         CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
   907     fi
   908 else
   909     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
   910 fi
   912 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
   913 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
   915 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
   916         -I${JDK_OUTPUTDIR}/include \
   917         -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
   918         -I${JDK_TOPDIR}/src/share/javavm/export \
   919         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
   920         -I${JDK_TOPDIR}/src/share/native/common \
   921         -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
   923 # The shared libraries are compiled using the picflag.
   924 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
   925 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
   927 # Executable flags
   928 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
   929 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
   931 # Now this is odd. The JDK native libraries have to link against libjvm.so
   932 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
   933 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
   934 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
   935 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
   936 # libraries will link to whatever is in memory. Yuck. 
   937 #
   938 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
   939 if test "x$COMPILER_NAME" = xcl; then
   940     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
   941     if test "x$OPENJDK_TARGET_CPU" = xx86; then 
   942         LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
   943     fi
   944     # TODO: make -debug optional "--disable-full-debug-symbols"
   945     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
   946     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
   947     LDFLAGS_JDKLIB_SUFFIX=""
   948     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
   949         LDFLAGS_STACK_SIZE=1048576
   950     else
   951         LDFLAGS_STACK_SIZE=327680
   952     fi
   953     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
   954 else
   955     if test "x$COMPILER_NAME" = xgcc; then
   956         # If this is a --hash-style=gnu system, use --hash-style=both, why?
   957         HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
   958         if test -n "$HAS_GNU_HASH"; then
   959             LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
   960         fi
   961         if test "x$OPENJDK_TARGET_OS" = xlinux; then 
   962           # And since we now know that the linker is gnu, then add -z defs, to forbid
   963           # undefined symbols in object files.
   964           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
   965           if test "x$DEBUG_LEVEL" = "xrelease"; then
   966               # When building release libraries, tell the linker optimize them.
   967               # Should this be supplied to the OSS linker as well?
   968               LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
   969           fi
   970         fi
   971     fi
   972     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
   973                     -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
   975     # On some platforms (mac) the linker warns about non existing -L dirs.
   976     # Add server first if available. Linking aginst client does not always produce the same results.
   977     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
   978     # Default to server for other variants.
   979     if test "x$JVM_VARIANT_SERVER" = xtrue; then
   980         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
   981     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
   982         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
   983     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
   984         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
   985     else
   986         LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
   987     fi
   989     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
   990     if test "x$COMPILER_NAME" = xossc; then
   991         LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
   992     fi
   994     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
   995     if test "x$OPENJDK_TARGET_OS" = xlinux; then
   996         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
   997     fi
   998 fi
  1000 # Adjust flags according to debug level.
  1001 case $DEBUG_LEVEL in
  1002       fastdebug ) 
  1003               CFLAGS="$CFLAGS $D_FLAG"
  1004               JAVAC_FLAGS="$JAVAC_FLAGS -g"
  1005               ;;
  1006       slowdebug )
  1007               CFLAGS="$CFLAGS $D_FLAG"
  1008 	      C_O_FLAG_HI="$C_O_FLAG_NONE"
  1009 	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
  1010 	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
  1011 	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
  1012               JAVAC_FLAGS="$JAVAC_FLAGS -g"
  1013               ;;
  1014 esac              
  1017 AC_SUBST(CFLAGS_JDKLIB)
  1018 AC_SUBST(CFLAGS_JDKEXE)
  1020 AC_SUBST(CXXFLAGS_JDKLIB)
  1021 AC_SUBST(CXXFLAGS_JDKEXE)
  1023 AC_SUBST(LDFLAGS_JDKLIB)
  1024 AC_SUBST(LDFLAGS_JDKEXE)
  1025 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
  1026 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
  1027 AC_SUBST(LDFLAGS_CXX_JDK)
  1028 ])

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