common/autoconf/toolchain.m4

Thu, 10 Oct 2013 14:58:19 +0200

author
ihse
date
Thu, 10 Oct 2013 14:58:19 +0200
changeset 839
174a54ce39c4
parent 838
ec48d637778a
child 857
5b4f14990dd1
permissions
-rw-r--r--

8001931: The new build system whitespace cleanup
Reviewed-by: tbell, simonis, erikj

     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$OPENJDK_TARGET_OS" = xwindows; then
    48     # First line typically looks something like:
    49     # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
    50     COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
    51     COMPILER_VERSION=`$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     BASIC_DEPRECATED_ARG_WITH([dxsdk])
   180     BASIC_DEPRECATED_ARG_WITH([dxsdk-lib])
   181     BASIC_DEPRECATED_ARG_WITH([dxsdk-include])
   182   fi
   184   AC_SUBST(MSVCR_DLL)
   186   # If --build AND --host is set, then the configure script will find any
   187   # cross compilation tools in the PATH. Cross compilation tools
   188   # follows the cross compilation standard where they are prefixed with ${host}.
   189   # For example the binary i686-sun-solaris2.10-gcc
   190   # will cross compile for i686-sun-solaris2.10
   191   # If neither of build and host is not set, then build=host and the
   192   # default compiler found in the path will be used.
   193   # Setting only --host, does not seem to be really supported.
   194   # Please set both --build and --host if you want to cross compile.
   196   if test "x$COMPILE_TYPE" = "xcross"; then
   197     # Now we to find a C/C++ compiler that can build executables for the build
   198     # platform. We can't use the AC_PROG_CC macro, since it can only be used
   199     # once. Also, we need to do this before adding a tools dir to the path,
   200     # otherwise we might pick up cross-compilers which don't use standard naming.
   201     # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
   202     # to wait until they are properly discovered.
   203     AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
   204     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
   205     AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
   206     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
   207     AC_PATH_PROG(BUILD_LD, ld)
   208     BASIC_FIXUP_EXECUTABLE(BUILD_LD)
   209   fi
   210   AC_SUBST(BUILD_CC)
   211   AC_SUBST(BUILD_CXX)
   212   AC_SUBST(BUILD_LD)
   214   # If a devkit is found on the builddeps server, then prepend its path to the
   215   # PATH variable. If there are cross compilers available in the devkit, these
   216   # will be found by AC_PROG_CC et al.
   217   DEVKIT=
   218   BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
   219       [
   220         # Found devkit
   221         PATH="$DEVKIT/bin:$PATH"
   222         SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
   223         if test "x$x_includes" = "xNONE"; then
   224           x_includes="$SYS_ROOT/usr/include/X11"
   225         fi
   226         if test "x$x_libraries" = "xNONE"; then
   227           x_libraries="$SYS_ROOT/usr/lib"
   228         fi
   229       ],
   230       [])
   232   # Store the CFLAGS etal passed to the configure script.
   233   ORG_CFLAGS="$CFLAGS"
   234   ORG_CXXFLAGS="$CXXFLAGS"
   235   ORG_OBJCFLAGS="$OBJCFLAGS"
   237   # autoconf magic only relies on PATH, so update it if tools dir is specified
   238   OLD_PATH="$PATH"
   239   if test "x$TOOLS_DIR" != x; then
   240     PATH=$TOOLS_DIR:$PATH
   241   fi
   244   ### Locate C compiler (CC)
   246   # On windows, only cl.exe is supported.
   247   # On Solaris, cc is preferred to gcc.
   248   # Elsewhere, gcc is preferred to cc.
   250   if test "x$CC" != x; then
   251     COMPILER_CHECK_LIST="$CC"
   252   elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   253     COMPILER_CHECK_LIST="cl"
   254   elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
   255     COMPILER_CHECK_LIST="cc gcc"
   256   else
   257     COMPILER_CHECK_LIST="gcc cc"
   258   fi
   260   TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
   261   # Now that we have resolved CC ourself, let autoconf have its go at it
   262   AC_PROG_CC([$CC])
   264   ### Locate C++ compiler (CXX)
   266   if test "x$CXX" != x; then
   267     COMPILER_CHECK_LIST="$CXX"
   268   elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
   269     COMPILER_CHECK_LIST="cl"
   270   elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
   271     COMPILER_CHECK_LIST="CC g++"
   272   else
   273     COMPILER_CHECK_LIST="g++ CC"
   274   fi
   276   TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
   277   # Now that we have resolved CXX ourself, let autoconf have its go at it
   278   AC_PROG_CXX([$CXX])
   280   ### Locate other tools
   282   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   283     AC_PROG_OBJC
   284     BASIC_FIXUP_EXECUTABLE(OBJC)
   285   else
   286     OBJC=
   287   fi
   289   # Restore the flags to the user specified values.
   290   # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
   291   CFLAGS="$ORG_CFLAGS"
   292   CXXFLAGS="$ORG_CXXFLAGS"
   293   OBJCFLAGS="$ORG_OBJCFLAGS"
   295   LD="$CC"
   296   LDEXE="$CC"
   297   LDCXX="$CXX"
   298   LDEXECXX="$CXX"
   299   AC_SUBST(LD)
   300   # LDEXE is the linker to use, when creating executables.
   301   AC_SUBST(LDEXE)
   302   # Linking C++ libraries.
   303   AC_SUBST(LDCXX)
   304   # Linking C++ executables.
   305   AC_SUBST(LDEXECXX)
   307   if test "x$OPENJDK_TARGET_OS" != xwindows; then
   308     AC_CHECK_TOOL(AR, ar)
   309     BASIC_FIXUP_EXECUTABLE(AR)
   310   fi
   311   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   312     ARFLAGS="-r"
   313   else
   314     ARFLAGS=""
   315   fi
   316   AC_SUBST(ARFLAGS)
   318   # For hotspot, we need these in Windows mixed path; other platforms keep them the same
   319   HOTSPOT_CXX="$CXX"
   320   HOTSPOT_LD="$LD"
   321   AC_SUBST(HOTSPOT_CXX)
   322   AC_SUBST(HOTSPOT_LD)
   324   COMPILER_NAME=gcc
   325   COMPILER_TYPE=CC
   326   AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
   327     # For now, assume that we are always compiling using cl.exe.
   328     CC_OUT_OPTION=-Fo
   329     EXE_OUT_OPTION=-out:
   330     LD_OUT_OPTION=-out:
   331     AR_OUT_OPTION=-out:
   332     # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
   333     # program for something completely different.
   334     AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
   335     # Since we must ignore the first found link, WINLD will contain
   336     # the full path to the link.exe program.
   337     BASIC_FIXUP_EXECUTABLE(WINLD)
   338     printf "Windows linker was found at $WINLD\n"
   339     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
   340     "$WINLD" --version > /dev/null
   341     if test $? -eq 0 ; then
   342       AC_MSG_RESULT([no])
   343       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
   344     else
   345       AC_MSG_RESULT([yes])
   346     fi
   347     LD="$WINLD"
   348     LDEXE="$WINLD"
   349     LDCXX="$WINLD"
   350     LDEXECXX="$WINLD"
   352     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
   353     BASIC_FIXUP_EXECUTABLE(MT)
   354     # The resource compiler
   355     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
   356     BASIC_FIXUP_EXECUTABLE(RC)
   358     # For hotspot, we need these in Windows mixed path,
   359     # so rewrite them all. Need added .exe suffix.
   360     HOTSPOT_CXX="$CXX.exe"
   361     HOTSPOT_LD="$LD.exe"
   362     HOTSPOT_MT="$MT.exe"
   363     HOTSPOT_RC="$RC.exe"
   364     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
   365     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
   366     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
   367     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
   368     AC_SUBST(HOTSPOT_MT)
   369     AC_SUBST(HOTSPOT_RC)
   371     RC_FLAGS="-nologo -l 0x409 -r"
   372     AS_IF([test "x$VARIANT" = xOPT], [
   373     RC_FLAGS="$RC_FLAGS -d NDEBUG"
   374   ])
   376   # The version variables used to create RC_FLAGS may be overridden
   377   # in a custom configure script, or possibly the command line.
   378   # Let those variables be expanded at make time in spec.gmk.
   379   # The \$ are escaped to the shell, and the $(...) variables
   380   # are evaluated by make.
   381   RC_FLAGS="$RC_FLAGS \
   382       -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
   383       -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
   384       -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
   385       -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
   386       -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
   387       -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
   388       -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
   390   # lib.exe is used to create static libraries.
   391   AC_CHECK_PROG([WINAR], [lib],[lib],,,)
   392   BASIC_FIXUP_EXECUTABLE(WINAR)
   393   AR="$WINAR"
   394   ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
   396   AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
   397       BASIC_FIXUP_EXECUTABLE(DUMPBIN)
   399       COMPILER_TYPE=CL
   400       CCXXFLAGS="$CCXXFLAGS -nologo"
   401   ])
   402   AC_SUBST(RC_FLAGS)
   403   AC_SUBST(COMPILER_TYPE)
   405   AC_PROG_CPP
   406   BASIC_FIXUP_EXECUTABLE(CPP)
   408   AC_PROG_CXXCPP
   409   BASIC_FIXUP_EXECUTABLE(CXXCPP)
   411   if test "x$COMPILE_TYPE" != "xcross"; then
   412     # If we are not cross compiling, use the same compilers for
   413     # building the build platform executables. The cross-compilation
   414     # case needed to be done earlier, but this can only be done after
   415     # the native tools have been localized.
   416     BUILD_CC="$CC"
   417     BUILD_CXX="$CXX"
   418     BUILD_LD="$LD"
   419   fi
   421   # for solaris we really need solaris tools, and not gnu equivalent
   422   #   these seems to normally reside in /usr/ccs/bin so add that to path before
   423   #   starting to probe
   424   #
   425   #   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
   426   #         so that it can be overriden --with-tools-dir
   427   if test "x$OPENJDK_BUILD_OS" = xsolaris; then
   428     PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
   429   fi
   431   # Find the right assembler.
   432   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   433     AC_PATH_PROG(AS, as)
   434     BASIC_FIXUP_EXECUTABLE(AS)
   435   else
   436     AS="$CC -c"
   437   fi
   438   AC_SUBST(AS)
   440   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   441     AC_PATH_PROG(NM, nm)
   442     BASIC_FIXUP_EXECUTABLE(NM)
   443     AC_PATH_PROG(GNM, gnm)
   444     BASIC_FIXUP_EXECUTABLE(GNM)
   445     AC_PATH_PROG(STRIP, strip)
   446     BASIC_FIXUP_EXECUTABLE(STRIP)
   447     AC_PATH_PROG(MCS, mcs)
   448     BASIC_FIXUP_EXECUTABLE(MCS)
   449   elif test "x$OPENJDK_TARGET_OS" != xwindows; then
   450     AC_CHECK_TOOL(NM, nm)
   451     BASIC_FIXUP_EXECUTABLE(NM)
   452     GNM="$NM"
   453     AC_SUBST(GNM)
   454     AC_CHECK_TOOL(STRIP, strip)
   455     BASIC_FIXUP_EXECUTABLE(STRIP)
   456   fi
   458   # objcopy is used for moving debug symbols to separate files when
   459   # full debug symbols are enabled.
   460   if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
   461     AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
   462     # Only call fixup if objcopy was found.
   463     if test -n "$OBJCOPY"; then
   464       BASIC_FIXUP_EXECUTABLE(OBJCOPY)
   465     fi
   466   fi
   468   AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
   469   if test "x$OBJDUMP" != x; then
   470     # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
   471     BASIC_FIXUP_EXECUTABLE(OBJDUMP)
   472   fi
   474   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
   475     AC_PATH_PROG(LIPO, lipo)
   476     BASIC_FIXUP_EXECUTABLE(LIPO)
   477   fi
   479   TOOLCHAIN_SETUP_JTREG
   481   # Restore old path without tools dir
   482   PATH="$OLD_PATH"
   483 ])
   486 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
   487 [
   489   ###############################################################################
   490   #
   491   # How to compile shared libraries.
   492   #
   494   if test "x$GCC" = xyes; then
   495     COMPILER_NAME=gcc
   496     PICFLAG="-fPIC"
   497     LIBRARY_PREFIX=lib
   498     SHARED_LIBRARY='lib[$]1.so'
   499     STATIC_LIBRARY='lib[$]1.a'
   500     SHARED_LIBRARY_FLAGS="-shared"
   501     SHARED_LIBRARY_SUFFIX='.so'
   502     STATIC_LIBRARY_SUFFIX='.a'
   503     OBJ_SUFFIX='.o'
   504     EXE_SUFFIX=''
   505     SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
   506     SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
   507     C_FLAG_REORDER=''
   508     CXX_FLAG_REORDER=''
   509     SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   510     SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
   511     LD="$CC"
   512     LDEXE="$CC"
   513     LDCXX="$CXX"
   514     LDEXECXX="$CXX"
   515     POST_STRIP_CMD="$STRIP -g"
   517     # Linking is different on MacOSX
   518     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   519       # Might change in the future to clang.
   520       COMPILER_NAME=gcc
   521       SHARED_LIBRARY='lib[$]1.dylib'
   522       SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
   523       SHARED_LIBRARY_SUFFIX='.dylib'
   524       EXE_SUFFIX=''
   525       SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
   526       SET_SHARED_LIBRARY_MAPFILE=''
   527       SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
   528       SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   529       POST_STRIP_CMD="$STRIP -S"
   530     fi
   531   else
   532     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   533       # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
   534       COMPILER_NAME=ossc
   535       PICFLAG="-KPIC"
   536       LIBRARY_PREFIX=lib
   537       SHARED_LIBRARY='lib[$]1.so'
   538       STATIC_LIBRARY='lib[$]1.a'
   539       SHARED_LIBRARY_FLAGS="-G"
   540       SHARED_LIBRARY_SUFFIX='.so'
   541       STATIC_LIBRARY_SUFFIX='.a'
   542       OBJ_SUFFIX='.o'
   543       EXE_SUFFIX=''
   544       SET_SHARED_LIBRARY_NAME=''
   545       SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
   546       C_FLAG_REORDER='-xF'
   547       CXX_FLAG_REORDER='-xF'
   548       SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
   549       SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
   550       CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
   551       CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
   552       CFLAGS_JDKLIB_EXTRA='-xstrconst'
   553       POST_STRIP_CMD="$STRIP -x"
   554       POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
   555     fi
   556     if test "x$OPENJDK_TARGET_OS" = xwindows; then
   557       # If it is not gcc, then assume it is the MS Visual Studio compiler
   558       COMPILER_NAME=cl
   559       PICFLAG=""
   560       LIBRARY_PREFIX=
   561       SHARED_LIBRARY='[$]1.dll'
   562       STATIC_LIBRARY='[$]1.lib'
   563       SHARED_LIBRARY_FLAGS="-LD"
   564       SHARED_LIBRARY_SUFFIX='.dll'
   565       STATIC_LIBRARY_SUFFIX='.lib'
   566       OBJ_SUFFIX='.obj'
   567       EXE_SUFFIX='.exe'
   568       SET_SHARED_LIBRARY_NAME=''
   569       SET_SHARED_LIBRARY_MAPFILE=''
   570       SET_SHARED_LIBRARY_ORIGIN=''
   571       SET_EXECUTABLE_ORIGIN=''
   572     fi
   573   fi
   575   AC_SUBST(COMPILER_NAME)
   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     )
   623   fi
   625   C_FLAG_DEPS="-MMD -MF"
   626   CXX_FLAG_DEPS="-MMD -MF"
   628   case $COMPILER_TYPE in
   629     CC )
   630       case $COMPILER_NAME in
   631         gcc )
   632           case $OPENJDK_TARGET_OS in
   633             macosx )
   634               # On MacOSX we optimize for size, something
   635               # we should do for all platforms?
   636               C_O_FLAG_HI="-Os"
   637               C_O_FLAG_NORM="-Os"
   638               C_O_FLAG_NONE=""
   639               ;;
   640             *)
   641               C_O_FLAG_HI="-O3"
   642               C_O_FLAG_NORM="-O2"
   643               C_O_FLAG_NONE="-O0"
   644               ;;
   645           esac
   646           CXX_O_FLAG_HI="$C_O_FLAG_HI"
   647           CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   648           CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   649           CFLAGS_DEBUG_SYMBOLS="-g"
   650           CXXFLAGS_DEBUG_SYMBOLS="-g"
   651           if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
   652             CFLAGS_DEBUG_SYMBOLS="-g1"
   653             CXXFLAGS_DEBUG_SYMBOLS="-g1"
   654           fi
   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 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
   724               CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   725               CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
   726               CXX_O_FLAG_NONE=""
   727               ;;
   728           esac
   730           CFLAGS_DEBUG_SYMBOLS="-g -xs"
   731           CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
   732       esac
   733       ;;
   734     CL )
   735       C_O_FLAG_HIGHEST="-O2"
   736       C_O_FLAG_HI="-O1"
   737       C_O_FLAG_NORM="-O1"
   738       C_O_FLAG_NONE="-Od"
   739       CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
   740       CXX_O_FLAG_HI="$C_O_FLAG_HI"
   741       CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
   742       CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
   743       ;;
   744   esac
   746   if test -z "$C_O_FLAG_HIGHEST"; then
   747     C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
   748   fi
   750   if test -z "$CXX_O_FLAG_HIGHEST"; then
   751     CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
   752   fi
   754   AC_SUBST(C_O_FLAG_HIGHEST)
   755   AC_SUBST(C_O_FLAG_HI)
   756   AC_SUBST(C_O_FLAG_NORM)
   757   AC_SUBST(C_O_FLAG_NONE)
   758   AC_SUBST(CXX_O_FLAG_HIGHEST)
   759   AC_SUBST(CXX_O_FLAG_HI)
   760   AC_SUBST(CXX_O_FLAG_NORM)
   761   AC_SUBST(CXX_O_FLAG_NONE)
   762   AC_SUBST(C_FLAG_DEPS)
   763   AC_SUBST(CXX_FLAG_DEPS)
   764 ])
   766 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
   767 [
   769   if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
   770     AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
   771   fi
   773   if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
   774     AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
   775   fi
   777   if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
   778     AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
   779   fi
   781   AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
   782       [extra flags to be used when compiling jdk c-files])])
   784   AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
   785       [extra flags to be used when compiling jdk c++-files])])
   787   AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
   788       [extra flags to be used when linking jdk])])
   790   CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
   791   CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
   792   LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
   794   # Hotspot needs these set in their legacy form
   795   LEGACY_EXTRA_CFLAGS=$with_extra_cflags
   796   LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
   797   LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
   799   AC_SUBST(LEGACY_EXTRA_CFLAGS)
   800   AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
   801   AC_SUBST(LEGACY_EXTRA_LDFLAGS)
   803   ###############################################################################
   804   #
   805   # Now setup the CFLAGS and LDFLAGS for the JDK build.
   806   # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
   807   #
   808   case $COMPILER_NAME in
   809     gcc )
   810       CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
   811       -pipe \
   812       -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
   813       case $OPENJDK_TARGET_CPU_ARCH in
   814         arm )
   815           # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
   816           CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   817           ;;
   818         ppc )
   819           # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
   820           ;;
   821         * )
   822           CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
   823           CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
   824           ;;
   825       esac
   826       ;;
   827     ossc )
   828       CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
   829       case $OPENJDK_TARGET_CPU_ARCH in
   830         x86 )
   831           CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
   832           CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
   833           ;;
   834       esac
   836       CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
   837       CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
   839       LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
   840       LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
   841       ;;
   842     cl )
   843       CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
   844       -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
   845       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
   846       -DWIN32 -DIAL"
   847       case $OPENJDK_TARGET_CPU in
   848         x86 )
   849           CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
   850           ;;
   851         x86_64 )
   852           CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
   853           ;;
   854       esac
   855       ;;
   856   esac
   858   ###############################################################################
   860   # Adjust flags according to debug level.
   861   case $DEBUG_LEVEL in
   862     fastdebug )
   863       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
   864       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
   865       C_O_FLAG_HI="$C_O_FLAG_NORM"
   866       C_O_FLAG_NORM="$C_O_FLAG_NORM"
   867       CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
   868       CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
   869       JAVAC_FLAGS="$JAVAC_FLAGS -g"
   870       ;;
   871     slowdebug )
   872       CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
   873       CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
   874       C_O_FLAG_HI="$C_O_FLAG_NONE"
   875       C_O_FLAG_NORM="$C_O_FLAG_NONE"
   876       CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
   877       CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
   878       JAVAC_FLAGS="$JAVAC_FLAGS -g"
   879       ;;
   880   esac
   882   CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
   884   # The package path is used only on macosx?
   885   PACKAGE_PATH=/opt/local
   886   AC_SUBST(PACKAGE_PATH)
   888   if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
   889     # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
   890     #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
   891     #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
   892     #   Note: -Dmacro         is the same as    #define macro 1
   893     #         -Dmacro=        is the same as    #define macro
   894     if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   895       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
   896     else
   897       CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
   898     fi
   899   else
   900     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
   901   fi
   902   if test "x$OPENJDK_TARGET_OS" = xlinux; then
   903     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
   904   fi
   905   if test "x$OPENJDK_TARGET_OS" = xwindows; then
   906     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
   907   fi
   908   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   909     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
   910   fi
   911   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
   912     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
   913     # Setting these parameters makes it an error to link to macosx APIs that are
   914     # newer than the given OS version and makes the linked binaries compatible even
   915     # if built on a newer version of the OS.
   916     # The expected format is X.Y.Z
   917     MACOSX_VERSION_MIN=10.7.0
   918     AC_SUBST(MACOSX_VERSION_MIN)
   919     # The macro takes the version with no dots, ex: 1070
   920     # Let the flags variables get resolved in make for easier override on make
   921     # command line.
   922     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   923     LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
   924   fi
   925   if test "x$OPENJDK_TARGET_OS" = xbsd; then
   926     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
   927   fi
   928   if test "x$DEBUG_LEVEL" = xrelease; then
   929     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
   930   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
   931     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
   932   fi
   933   else
   934     CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
   935   fi
   937   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
   938   CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
   940   CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
   941       -I${JDK_OUTPUTDIR}/include \
   942       -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
   943       -I${JDK_TOPDIR}/src/share/javavm/export \
   944       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
   945       -I${JDK_TOPDIR}/src/share/native/common \
   946       -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
   948   # The shared libraries are compiled using the picflag.
   949   CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
   950   CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
   952   # Executable flags
   953   CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
   954   CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
   956   # Now this is odd. The JDK native libraries have to link against libjvm.so
   957   # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
   958   # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
   959   # is identical for client and server? Yes. Which is picked at runtime (client or server)?
   960   # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
   961   # libraries will link to whatever is in memory. Yuck.
   962   #
   963   # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
   964   if test "x$COMPILER_NAME" = xcl; then
   965     LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
   966     if test "x$OPENJDK_TARGET_CPU" = xx86; then
   967       LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
   968     fi
   969     # TODO: make -debug optional "--disable-full-debug-symbols"
   970     LDFLAGS_JDK="$LDFLAGS_JDK -debug"
   971     LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
   972     LDFLAGS_JDKLIB_SUFFIX=""
   973     if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
   974       LDFLAGS_STACK_SIZE=1048576
   975     else
   976       LDFLAGS_STACK_SIZE=327680
   977     fi
   978     LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
   979   else
   980     if test "x$COMPILER_NAME" = xgcc; then
   981       # If this is a --hash-style=gnu system, use --hash-style=both, why?
   982       HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
   983       if test -n "$HAS_GNU_HASH"; then
   984         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
   985       fi
   986       if test "x$OPENJDK_TARGET_OS" = xlinux; then
   987         # And since we now know that the linker is gnu, then add -z defs, to forbid
   988         # undefined symbols in object files.
   989         LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
   990         if test "x$DEBUG_LEVEL" = "xrelease"; then
   991           # When building release libraries, tell the linker optimize them.
   992           # Should this be supplied to the OSS linker as well?
   993           LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
   994         fi
   995       fi
   996     fi
   997     LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
   998         -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
  1000     # On some platforms (mac) the linker warns about non existing -L dirs.
  1001     # Add server first if available. Linking aginst client does not always produce the same results.
  1002     # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
  1003     # Default to server for other variants.
  1004     if test "x$JVM_VARIANT_SERVER" = xtrue; then
  1005       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
  1006     elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
  1007       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
  1008     elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
  1009       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
  1010     else
  1011       LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
  1012     fi
  1014     LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
  1015     if test "x$COMPILER_NAME" = xossc; then
  1016       LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
  1017     fi
  1019     LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
  1020     if test "x$OPENJDK_TARGET_OS" = xlinux; then
  1021       LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
  1022     fi
  1023   fi
  1025   AC_SUBST(CFLAGS_JDKLIB)
  1026   AC_SUBST(CFLAGS_JDKEXE)
  1028   AC_SUBST(CXXFLAGS_JDKLIB)
  1029   AC_SUBST(CXXFLAGS_JDKEXE)
  1031   AC_SUBST(LDFLAGS_JDKLIB)
  1032   AC_SUBST(LDFLAGS_JDKEXE)
  1033   AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
  1034   AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
  1035   AC_SUBST(LDFLAGS_CXX_JDK)
  1036 ])
  1039 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
  1040 #                                   [RUN-IF-FALSE])
  1041 # ------------------------------------------------------------
  1042 # Check that the c and c++ compilers support an argument
  1043 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
  1045   AC_MSG_CHECKING([if compiler supports "$1"])
  1046   supports=yes
  1048   saved_cflags="$CFLAGS"
  1049   CFLAGS="$CFLAGS $1"
  1050   AC_LANG_PUSH([C])
  1051   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
  1052       [supports=no])
  1053   AC_LANG_POP([C])
  1054   CFLAGS="$saved_cflags"
  1056   saved_cxxflags="$CXXFLAGS"
  1057   CXXFLAGS="$CXXFLAG $1"
  1058   AC_LANG_PUSH([C++])
  1059   AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
  1060       [supports=no])
  1061   AC_LANG_POP([C++])
  1062   CXXFLAGS="$saved_cxxflags"
  1064   AC_MSG_RESULT([$supports])
  1065   if test "x$supports" = "xyes" ; then
  1066     m4_ifval([$2], [$2], [:])
  1067   else
  1068     m4_ifval([$3], [$3], [:])
  1069   fi
  1070 ])
  1072 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
  1074   # Some Zero and Shark settings.
  1075   # ZERO_ARCHFLAG tells the compiler which mode to build for
  1076   case "${OPENJDK_TARGET_CPU}" in
  1077     s390)
  1078       ZERO_ARCHFLAG="-m31"
  1079       ;;
  1080     *)
  1081       ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
  1082   esac
  1083   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
  1084   AC_SUBST(ZERO_ARCHFLAG)
  1086   # Check that the compiler supports -mX flags
  1087   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
  1088   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
  1089       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
  1090       [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
  1091   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
  1092 ])
  1094 # Setup the JTREG paths
  1095 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
  1097   AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
  1098       [Regression Test Harness @<:@probed@:>@])],
  1099       [],
  1100       [with_jtreg=no])
  1102   if test "x$with_jtreg" = xno; then
  1103     # jtreg disabled
  1104     AC_MSG_CHECKING([for jtreg])
  1105     AC_MSG_RESULT(no)
  1106   else
  1107     if test "x$with_jtreg" != xyes; then
  1108       # with path specified.
  1109       JT_HOME="$with_jtreg"
  1110     fi
  1112     if test "x$JT_HOME" != x; then
  1113       AC_MSG_CHECKING([for jtreg])
  1115       # use JT_HOME enviroment var.
  1116       BASIC_FIXUP_PATH([JT_HOME])
  1118       # jtreg win32 script works for everybody
  1119       JTREGEXE="$JT_HOME/win32/bin/jtreg"
  1121       if test ! -f "$JTREGEXE"; then
  1122         AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
  1123       fi
  1125       AC_MSG_RESULT($JTREGEXE)
  1126     else
  1127       # try to find jtreg on path
  1128       BASIC_REQUIRE_PROG(JTREGEXE, jtreg)
  1129       JT_HOME="`$DIRNAME $JTREGEXE`"
  1130     fi
  1131   fi
  1133   AC_SUBST(JT_HOME)
  1134   AC_SUBST(JTREGEXE)
  1135 ])

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