make/autoconf/toolchain.m4
changeset 47216 71c04702a3d5
parent 46237 3aeb6cbc0ccc
child 47258 4bfce39946ba
equal deleted inserted replaced
47215:4ebc2e2fb97c 47216:71c04702a3d5
       
     1 #
       
     2 # Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
       
     3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4 #
       
     5 # This code is free software; you can redistribute it and/or modify it
       
     6 # under the terms of the GNU General Public License version 2 only, as
       
     7 # published by the Free Software Foundation.  Oracle designates this
       
     8 # particular file as subject to the "Classpath" exception as provided
       
     9 # by Oracle in the LICENSE file that accompanied this code.
       
    10 #
       
    11 # This code is distributed in the hope that it will be useful, but WITHOUT
       
    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14 # version 2 for more details (a copy is included in the LICENSE file that
       
    15 # accompanied this code).
       
    16 #
       
    17 # You should have received a copy of the GNU General Public License version
       
    18 # 2 along with this work; if not, write to the Free Software Foundation,
       
    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20 #
       
    21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22 # or visit www.oracle.com if you need additional information or have any
       
    23 # questions.
       
    24 #
       
    25 
       
    26 ########################################################################
       
    27 # This file is responsible for detecting, verifying and setting up the
       
    28 # toolchain, i.e. the compiler, linker and related utilities. It will setup
       
    29 # proper paths to the binaries, but it will not setup any flags.
       
    30 #
       
    31 # The binaries used is determined by the toolchain type, which is the family of
       
    32 # compilers and related tools that are used.
       
    33 ########################################################################
       
    34 
       
    35 
       
    36 # All valid toolchains, regardless of platform (used by help.m4)
       
    37 VALID_TOOLCHAINS_all="gcc clang solstudio xlc microsoft"
       
    38 
       
    39 # These toolchains are valid on different platforms
       
    40 VALID_TOOLCHAINS_linux="gcc clang"
       
    41 VALID_TOOLCHAINS_solaris="solstudio"
       
    42 VALID_TOOLCHAINS_macosx="gcc clang"
       
    43 VALID_TOOLCHAINS_aix="xlc"
       
    44 VALID_TOOLCHAINS_windows="microsoft"
       
    45 
       
    46 # Toolchain descriptions
       
    47 TOOLCHAIN_DESCRIPTION_clang="clang/LLVM"
       
    48 TOOLCHAIN_DESCRIPTION_gcc="GNU Compiler Collection"
       
    49 TOOLCHAIN_DESCRIPTION_microsoft="Microsoft Visual Studio"
       
    50 TOOLCHAIN_DESCRIPTION_solstudio="Oracle Solaris Studio"
       
    51 TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++"
       
    52 
       
    53 # Minimum supported versions, empty means unspecified
       
    54 TOOLCHAIN_MINIMUM_VERSION_clang="3.2"
       
    55 TOOLCHAIN_MINIMUM_VERSION_gcc="4.7"
       
    56 TOOLCHAIN_MINIMUM_VERSION_microsoft="16.00.30319.01" # VS2010
       
    57 TOOLCHAIN_MINIMUM_VERSION_solstudio="5.13"
       
    58 TOOLCHAIN_MINIMUM_VERSION_xlc=""
       
    59 
       
    60 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
       
    61 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
       
    62 # $1 - optional variable prefix for compiler and version variables (BUILD_)
       
    63 # $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
       
    64 AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
       
    65 [
       
    66   if test "x[$]$1CC_VERSION_NUMBER" != "x[$]$1CXX_VERSION_NUMBER"; then
       
    67     AC_MSG_WARN([C and C++ compiler have different version numbers, [$]$1CC_VERSION_NUMBER vs [$]$1CXX_VERSION_NUMBER.])
       
    68     AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
       
    69   fi
       
    70 
       
    71   # We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
       
    72   if [ [[ "[$]$1CC_VERSION_NUMBER" =~ (.*\.){4} ]] ]; then
       
    73     AC_MSG_WARN([C compiler version number has more than four parts (W.X.Y.Z): [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
       
    74   fi
       
    75 
       
    76   if [ [[  "[$]$1CC_VERSION_NUMBER" =~ [0-9]{6} ]] ]; then
       
    77     AC_MSG_WARN([C compiler version number has a part larger than 99999: [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
       
    78   fi
       
    79 
       
    80   $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "[$]$1CC_VERSION_NUMBER"`
       
    81 ])
       
    82 
       
    83 # Check if the configured compiler (C and C++) is of a specific version or
       
    84 # newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
       
    85 #
       
    86 # Arguments:
       
    87 #   VERSION:   The version string to check against the found version
       
    88 #   IF_AT_LEAST:   block to run if the compiler is at least this version (>=)
       
    89 #   IF_OLDER_THAN:   block to run if the compiler is older than this version (<)
       
    90 #   PREFIX:   Optional variable prefix for compiler to compare version for (OPENJDK_BUILD_)
       
    91 BASIC_DEFUN_NAMED([TOOLCHAIN_CHECK_COMPILER_VERSION],
       
    92     [*VERSION PREFIX IF_AT_LEAST IF_OLDER_THAN], [$@],
       
    93 [
       
    94   # Need to assign to a variable since m4 is blocked from modifying parts in [].
       
    95   REFERENCE_VERSION=ARG_VERSION
       
    96 
       
    97   if [ [[ "$REFERENCE_VERSION" =~ (.*\.){4} ]] ]; then
       
    98     AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only four parts (W.X.Y.Z) is supported])
       
    99   fi
       
   100 
       
   101   if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
       
   102     AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only parts < 99999 is supported])
       
   103   fi
       
   104 
       
   105   # Version comparison method inspired by http://stackoverflow.com/a/24067243
       
   106   COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "$REFERENCE_VERSION"`
       
   107 
       
   108   if test [$]ARG_PREFIX[COMPARABLE_ACTUAL_VERSION] -ge $COMPARABLE_REFERENCE_VERSION ; then
       
   109     :
       
   110     ARG_IF_AT_LEAST
       
   111   else
       
   112     :
       
   113     ARG_IF_OLDER_THAN
       
   114   fi
       
   115 ])
       
   116 
       
   117 # Setup a number of variables describing how native output files are
       
   118 # named on this platform/toolchain.
       
   119 AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
       
   120 [
       
   121   # Define filename patterns
       
   122   if test "x$OPENJDK_TARGET_OS" = xwindows; then
       
   123     LIBRARY_PREFIX=
       
   124     SHARED_LIBRARY_SUFFIX='.dll'
       
   125     STATIC_LIBRARY_SUFFIX='.lib'
       
   126     SHARED_LIBRARY='[$]1.dll'
       
   127     STATIC_LIBRARY='[$]1.lib'
       
   128     OBJ_SUFFIX='.obj'
       
   129     EXE_SUFFIX='.exe'
       
   130   else
       
   131     LIBRARY_PREFIX=lib
       
   132     SHARED_LIBRARY_SUFFIX='.so'
       
   133     STATIC_LIBRARY_SUFFIX='.a'
       
   134     SHARED_LIBRARY='lib[$]1.so'
       
   135     STATIC_LIBRARY='lib[$]1.a'
       
   136     OBJ_SUFFIX='.o'
       
   137     EXE_SUFFIX=''
       
   138     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
       
   139       # For full static builds, we're overloading the SHARED_LIBRARY
       
   140       # variables in order to limit the amount of changes required.
       
   141       # It would be better to remove SHARED and just use LIBRARY and
       
   142       # LIBRARY_SUFFIX for libraries that can be built either
       
   143       # shared or static and use STATIC_* for libraries that are
       
   144       # always built statically.
       
   145       if test "x$STATIC_BUILD" = xtrue; then
       
   146         SHARED_LIBRARY='lib[$]1.a'
       
   147         SHARED_LIBRARY_SUFFIX='.a'
       
   148       else
       
   149         SHARED_LIBRARY='lib[$]1.dylib'
       
   150         SHARED_LIBRARY_SUFFIX='.dylib'
       
   151       fi
       
   152     fi
       
   153   fi
       
   154 
       
   155   AC_SUBST(LIBRARY_PREFIX)
       
   156   AC_SUBST(SHARED_LIBRARY_SUFFIX)
       
   157   AC_SUBST(STATIC_LIBRARY_SUFFIX)
       
   158   AC_SUBST(SHARED_LIBRARY)
       
   159   AC_SUBST(STATIC_LIBRARY)
       
   160   AC_SUBST(OBJ_SUFFIX)
       
   161   AC_SUBST(EXE_SUFFIX)
       
   162 ])
       
   163 
       
   164 # Determine which toolchain type to use, and make sure it is valid for this
       
   165 # platform. Setup various information about the selected toolchain.
       
   166 AC_DEFUN_ONCE([TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE],
       
   167 [
       
   168   AC_ARG_WITH(toolchain-type, [AS_HELP_STRING([--with-toolchain-type],
       
   169       [the toolchain type (or family) to use, use '--help' to show possible values @<:@platform dependent@:>@])])
       
   170 
       
   171   # Use indirect variable referencing
       
   172   toolchain_var_name=VALID_TOOLCHAINS_$OPENJDK_BUILD_OS
       
   173   VALID_TOOLCHAINS=${!toolchain_var_name}
       
   174 
       
   175   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
       
   176     if test -n "$XCODEBUILD"; then
       
   177       # On Mac OS X, default toolchain to clang after Xcode 5
       
   178       XCODE_VERSION_OUTPUT=`"$XCODEBUILD" -version 2>&1 | $HEAD -n 1`
       
   179       $ECHO "$XCODE_VERSION_OUTPUT" | $GREP "Xcode " > /dev/null
       
   180       if test $? -ne 0; then
       
   181         AC_MSG_ERROR([Failed to determine Xcode version.])
       
   182       fi
       
   183       XCODE_MAJOR_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | \
       
   184           $SED -e 's/^Xcode \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/' | \
       
   185           $CUT -f 1 -d .`
       
   186       AC_MSG_NOTICE([Xcode major version: $XCODE_MAJOR_VERSION])
       
   187       if test $XCODE_MAJOR_VERSION -ge 5; then
       
   188           DEFAULT_TOOLCHAIN="clang"
       
   189       else
       
   190           DEFAULT_TOOLCHAIN="gcc"
       
   191       fi
       
   192     else
       
   193       # If Xcode is not installed, but the command line tools are
       
   194       # then we can't run xcodebuild. On these systems we should
       
   195       # default to clang
       
   196       DEFAULT_TOOLCHAIN="clang"
       
   197     fi
       
   198   else
       
   199     # First toolchain type in the list is the default
       
   200     DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
       
   201   fi
       
   202 
       
   203   if test "x$with_toolchain_type" = xlist; then
       
   204     # List all toolchains
       
   205     AC_MSG_NOTICE([The following toolchains are valid on this platform:])
       
   206     for toolchain in $VALID_TOOLCHAINS; do
       
   207       toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain
       
   208       TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
       
   209       $PRINTF "  %-10s  %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION"
       
   210     done
       
   211 
       
   212     exit 0
       
   213   elif test "x$with_toolchain_type" != x; then
       
   214     # User override; check that it is valid
       
   215     if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then
       
   216       AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.])
       
   217       AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.])
       
   218       AC_MSG_ERROR([Cannot continue.])
       
   219     fi
       
   220     TOOLCHAIN_TYPE=$with_toolchain_type
       
   221   else
       
   222     # No flag given, use default
       
   223     TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN
       
   224   fi
       
   225   AC_SUBST(TOOLCHAIN_TYPE)
       
   226 
       
   227   TOOLCHAIN_CC_BINARY_clang="clang"
       
   228   TOOLCHAIN_CC_BINARY_gcc="gcc"
       
   229   TOOLCHAIN_CC_BINARY_microsoft="cl"
       
   230   TOOLCHAIN_CC_BINARY_solstudio="cc"
       
   231   TOOLCHAIN_CC_BINARY_xlc="xlc_r"
       
   232 
       
   233   TOOLCHAIN_CXX_BINARY_clang="clang++"
       
   234   TOOLCHAIN_CXX_BINARY_gcc="g++"
       
   235   TOOLCHAIN_CXX_BINARY_microsoft="cl"
       
   236   TOOLCHAIN_CXX_BINARY_solstudio="CC"
       
   237   TOOLCHAIN_CXX_BINARY_xlc="xlC_r"
       
   238 
       
   239   # Use indirect variable referencing
       
   240   toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE
       
   241   TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
       
   242   toolchain_var_name=TOOLCHAIN_MINIMUM_VERSION_$TOOLCHAIN_TYPE
       
   243   TOOLCHAIN_MINIMUM_VERSION=${!toolchain_var_name}
       
   244   toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE
       
   245   TOOLCHAIN_CC_BINARY=${!toolchain_var_name}
       
   246   toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE
       
   247   TOOLCHAIN_CXX_BINARY=${!toolchain_var_name}
       
   248 
       
   249   TOOLCHAIN_SETUP_FILENAME_PATTERNS
       
   250 
       
   251   if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then
       
   252     AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)])
       
   253   else
       
   254     AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.])
       
   255   fi
       
   256 ])
       
   257 
       
   258 # Before we start detecting the toolchain executables, we might need some
       
   259 # special setup, e.g. additional paths etc.
       
   260 AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
       
   261 [
       
   262   # FIXME: Is this needed?
       
   263   AC_LANG(C++)
       
   264 
       
   265   # Store the CFLAGS etc passed to the configure script.
       
   266   ORG_CFLAGS="$CFLAGS"
       
   267   ORG_CXXFLAGS="$CXXFLAGS"
       
   268 
       
   269   # autoconf magic only relies on PATH, so update it if tools dir is specified
       
   270   OLD_PATH="$PATH"
       
   271 
       
   272   # On Windows, we need to detect the visual studio installation first.
       
   273   # This will change the PATH, but we need to keep that new PATH even
       
   274   # after toolchain detection is done, since the compiler (on x86) uses
       
   275   # it for DLL resolution in runtime.
       
   276   if test "x$OPENJDK_BUILD_OS" = "xwindows" \
       
   277       && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
       
   278     TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
       
   279     # Reset path to VS_PATH. It will include everything that was on PATH at the time we
       
   280     # ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.
       
   281     PATH="$VS_PATH"
       
   282     # The microsoft toolchain also requires INCLUDE and LIB to be set.
       
   283     export INCLUDE="$VS_INCLUDE"
       
   284     export LIB="$VS_LIB"
       
   285   else
       
   286     if test "x$XCODE_VERSION_OUTPUT" != x; then
       
   287       # For Xcode, we set the Xcode version as TOOLCHAIN_VERSION
       
   288       TOOLCHAIN_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | $CUT -f 2 -d ' '`
       
   289       TOOLCHAIN_DESCRIPTION="$TOOLCHAIN_DESCRIPTION from Xcode"
       
   290     else
       
   291       # Currently we do not define this for other toolchains. This might change as the need arise.
       
   292       TOOLCHAIN_VERSION=
       
   293     fi
       
   294   fi
       
   295   AC_SUBST(TOOLCHAIN_VERSION)
       
   296 
       
   297   # Finally add TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
       
   298   # override all other locations.
       
   299   if test "x$TOOLCHAIN_PATH" != x; then
       
   300     PATH=$TOOLCHAIN_PATH:$PATH
       
   301   fi
       
   302 ])
       
   303 
       
   304 # Restore path, etc
       
   305 AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
       
   306 [
       
   307   # Restore old path, except for the microsoft toolchain, which requires VS_PATH
       
   308   # to remain in place. Otherwise the compiler will not work in some siutations
       
   309   # in later configure checks.
       
   310   if test "x$TOOLCHAIN_TYPE" != "xmicrosoft"; then
       
   311     PATH="$OLD_PATH"
       
   312   fi
       
   313 
       
   314   # Restore the flags to the user specified values.
       
   315   # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
       
   316   CFLAGS="$ORG_CFLAGS"
       
   317   CXXFLAGS="$ORG_CXXFLAGS"
       
   318 ])
       
   319 
       
   320 # Check if a compiler is of the toolchain type we expect, and save the version
       
   321 # information from it. If the compiler does not match the expected type,
       
   322 # this function will abort using AC_MSG_ERROR. If it matches, the version will
       
   323 # be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and
       
   324 # the full version string in CC_VERSION_STRING/CXX_VERSION_STRING.
       
   325 #
       
   326 # $1 = compiler to test (CC or CXX)
       
   327 # $2 = human readable name of compiler (C or C++)
       
   328 AC_DEFUN([TOOLCHAIN_EXTRACT_COMPILER_VERSION],
       
   329 [
       
   330   COMPILER=[$]$1
       
   331   COMPILER_NAME=$2
       
   332 
       
   333   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
       
   334     # cc -V output typically looks like
       
   335     #     cc: Sun C 5.12 Linux_i386 2011/11/16
       
   336     # or
       
   337     #     cc: Studio 12.5 Sun C 5.14 SunOS_sparc 2016/05/31
       
   338     COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
       
   339     # Check that this is likely to be the Solaris Studio cc.
       
   340     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.* Sun $COMPILER_NAME" > /dev/null
       
   341     if test $? -ne 0; then
       
   342       ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       
   343       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       
   344       AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"])
       
   345       AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
       
   346       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
       
   347     fi
       
   348     # Remove usage instructions (if present), and
       
   349     # collapse compiler output into a single line
       
   350     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   351         $SED -e 's/ *@<:@Uu@:>@sage:.*//'`
       
   352     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   353         $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"`
       
   354   elif test  "x$TOOLCHAIN_TYPE" = xxlc; then
       
   355     # xlc -qversion output typically looks like
       
   356     #     IBM XL C/C++ for AIX, V11.1 (5724-X13)
       
   357     #     Version: 11.01.0000.0015
       
   358     COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
       
   359     # Check that this is likely to be the IBM XL C compiler.
       
   360     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
       
   361     if test $? -ne 0; then
       
   362       ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       
   363       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       
   364       AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"])
       
   365       AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
       
   366       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
       
   367     fi
       
   368     # Collapse compiler output into a single line
       
   369     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
       
   370     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   371         $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
       
   372   elif test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   373     # There is no specific version flag, but all output starts with a version string.
       
   374     # First line typically looks something like:
       
   375     # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
       
   376     COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
       
   377     # Check that this is likely to be Microsoft CL.EXE.
       
   378     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
       
   379     if test $? -ne 0; then
       
   380       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       
   381       AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"])
       
   382       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
       
   383     fi
       
   384     # Collapse compiler output into a single line
       
   385     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
       
   386     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   387         $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'`
       
   388   elif test  "x$TOOLCHAIN_TYPE" = xgcc; then
       
   389     # gcc --version output typically looks like
       
   390     #     gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
       
   391     #     Copyright (C) 2013 Free Software Foundation, Inc.
       
   392     #     This is free software; see the source for copying conditions.  There is NO
       
   393     #     warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
       
   394     COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       
   395     # Check that this is likely to be GCC.
       
   396     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
       
   397     if test $? -ne 0; then
       
   398       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       
   399       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"])
       
   400       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
       
   401     fi
       
   402     # Remove Copyright and legalese from version string, and
       
   403     # collapse into a single line
       
   404     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   405         $SED -e 's/ *Copyright .*//'`
       
   406     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   407         $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\)@<:@^0-9.@:>@.*$/\1/'`
       
   408   elif test  "x$TOOLCHAIN_TYPE" = xclang; then
       
   409     # clang --version output typically looks like
       
   410     #    Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
       
   411     #    clang version 3.3 (tags/RELEASE_33/final)
       
   412     # or
       
   413     #    Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
       
   414     #    Target: x86_64-pc-linux-gnu
       
   415     #    Thread model: posix
       
   416     COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       
   417     # Check that this is likely to be clang
       
   418     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
       
   419     if test $? -ne 0; then
       
   420       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       
   421       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"])
       
   422       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
       
   423     fi
       
   424     # Collapse compiler output into a single line
       
   425     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
       
   426     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
       
   427         $SED -e 's/^.* version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
       
   428   else
       
   429       AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.])
       
   430   fi
       
   431   # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
       
   432   $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
       
   433   # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
       
   434   $1_VERSION_STRING="$COMPILER_VERSION_STRING"
       
   435 
       
   436   AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@])
       
   437 ])
       
   438 
       
   439 # Try to locate the given C or C++ compiler in the path, or otherwise.
       
   440 #
       
   441 # $1 = compiler to test (CC or CXX)
       
   442 # $2 = human readable name of compiler (C or C++)
       
   443 # $3 = compiler name to search for
       
   444 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
       
   445 [
       
   446   COMPILER_NAME=$2
       
   447   SEARCH_LIST="$3"
       
   448 
       
   449   if test "x[$]$1" != x; then
       
   450     # User has supplied compiler name already, always let that override.
       
   451     AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
       
   452     if test "x`basename [$]$1`" = "x[$]$1"; then
       
   453       # A command without a complete path is provided, search $PATH.
       
   454 
       
   455       AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
       
   456       if test "x$POTENTIAL_$1" != x; then
       
   457         $1=$POTENTIAL_$1
       
   458       else
       
   459         AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found])
       
   460       fi
       
   461     else
       
   462       # Otherwise it might already be a complete path
       
   463       if test ! -x "[$]$1"; then
       
   464         AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist])
       
   465       fi
       
   466     fi
       
   467   else
       
   468     # No user supplied value. Locate compiler ourselves.
       
   469 
       
   470     # If we are cross compiling, assume cross compilation tools follows the
       
   471     # cross compilation standard where they are prefixed with the autoconf
       
   472     # standard name for the target. For example the binary
       
   473     # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
       
   474     # If we are not cross compiling, then the default compiler name will be
       
   475     # used.
       
   476 
       
   477     $1=
       
   478     # If TOOLCHAIN_PATH is set, check for all compiler names in there first
       
   479     # before checking the rest of the PATH.
       
   480     # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
       
   481     # step, this should not be necessary.
       
   482     if test -n "$TOOLCHAIN_PATH"; then
       
   483       PATH_save="$PATH"
       
   484       PATH="$TOOLCHAIN_PATH"
       
   485       AC_PATH_TOOL(TOOLCHAIN_PATH_$1, $SEARCH_LIST)
       
   486       $1=$TOOLCHAIN_PATH_$1
       
   487       PATH="$PATH_save"
       
   488     fi
       
   489 
       
   490     # AC_PATH_TOOL can't be run multiple times with the same variable,
       
   491     # so create a new name for this run.
       
   492     if test "x[$]$1" = x; then
       
   493       AC_PATH_TOOL(POTENTIAL_$1, $SEARCH_LIST)
       
   494       $1=$POTENTIAL_$1
       
   495     fi
       
   496 
       
   497     if test "x[$]$1" = x; then
       
   498       HELP_MSG_MISSING_DEPENDENCY([devkit])
       
   499       AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
       
   500     fi
       
   501   fi
       
   502 
       
   503   # Now we have a compiler binary in $1. Make sure it's okay.
       
   504   BASIC_FIXUP_EXECUTABLE($1)
       
   505   TEST_COMPILER="[$]$1"
       
   506 
       
   507   AC_MSG_CHECKING([resolved symbolic links for $1])
       
   508   SYMLINK_ORIGINAL="$TEST_COMPILER"
       
   509   BASIC_REMOVE_SYMBOLIC_LINKS(SYMLINK_ORIGINAL)
       
   510   if test "x$TEST_COMPILER" = "x$SYMLINK_ORIGINAL"; then
       
   511     AC_MSG_RESULT([no symlink])
       
   512   else
       
   513     AC_MSG_RESULT([$SYMLINK_ORIGINAL])
       
   514 
       
   515     # We can't handle ccache by gcc wrappers, since we need to know if we're
       
   516     # using ccache. Instead ccache usage must be controlled by a configure option.
       
   517     COMPILER_BASENAME=`$BASENAME "$SYMLINK_ORIGINAL"`
       
   518     if test "x$COMPILER_BASENAME" = "xccache"; then
       
   519       AC_MSG_NOTICE([Please use --enable-ccache instead of providing a wrapped compiler.])
       
   520       AC_MSG_ERROR([$TEST_COMPILER is a symbolic link to ccache. This is not supported.])
       
   521     fi
       
   522   fi
       
   523 
       
   524   TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
       
   525 ])
       
   526 
       
   527 # Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
       
   528 # preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
       
   529 # archiver (AR). Verify that the compilers are correct according to the
       
   530 # toolchain type.
       
   531 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
       
   532 [
       
   533   #
       
   534   # Setup the compilers (CC and CXX)
       
   535   #
       
   536   TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY)
       
   537   # Now that we have resolved CC ourself, let autoconf have its go at it
       
   538   AC_PROG_CC([$CC])
       
   539 
       
   540   TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY)
       
   541   # Now that we have resolved CXX ourself, let autoconf have its go at it
       
   542   AC_PROG_CXX([$CXX])
       
   543 
       
   544   # This is the compiler version number on the form X.Y[.Z]
       
   545   AC_SUBST(CC_VERSION_NUMBER)
       
   546   AC_SUBST(CXX_VERSION_NUMBER)
       
   547 
       
   548   TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS
       
   549 
       
   550   if test "x$TOOLCHAIN_MINIMUM_VERSION" != x; then
       
   551     TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: $TOOLCHAIN_MINIMUM_VERSION,
       
   552         IF_OLDER_THAN: [
       
   553           AC_MSG_WARN([You are using $TOOLCHAIN_TYPE older than $TOOLCHAIN_MINIMUM_VERSION. This is not a supported configuration.])
       
   554         ]
       
   555     )
       
   556   fi
       
   557 
       
   558   #
       
   559   # Setup the preprocessor (CPP and CXXCPP)
       
   560   #
       
   561   AC_PROG_CPP
       
   562   BASIC_FIXUP_EXECUTABLE(CPP)
       
   563   AC_PROG_CXXCPP
       
   564   BASIC_FIXUP_EXECUTABLE(CXXCPP)
       
   565 
       
   566   #
       
   567   # Setup the linker (LD)
       
   568   #
       
   569   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   570     # In the Microsoft toolchain we have a separate LD command "link".
       
   571     # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
       
   572     # a cygwin program for something completely different.
       
   573     AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK])
       
   574     BASIC_FIXUP_EXECUTABLE(LD)
       
   575     # Verify that we indeed succeeded with this trick.
       
   576     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
       
   577     "$LD" --version > /dev/null
       
   578     if test $? -eq 0 ; then
       
   579       AC_MSG_RESULT([no])
       
   580       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
       
   581     else
       
   582       AC_MSG_RESULT([yes])
       
   583     fi
       
   584     LDCXX="$LD"
       
   585   else
       
   586     # All other toolchains use the compiler to link.
       
   587     LD="$CC"
       
   588     LDCXX="$CXX"
       
   589   fi
       
   590   AC_SUBST(LD)
       
   591   # FIXME: it should be CXXLD, according to standard (cf CXXCPP)
       
   592   AC_SUBST(LDCXX)
       
   593 
       
   594   #
       
   595   # Setup the assembler (AS)
       
   596   #
       
   597   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
       
   598     BASIC_PATH_PROGS(AS, as)
       
   599     BASIC_FIXUP_EXECUTABLE(AS)
       
   600     if test "x$AS" = x; then
       
   601       AC_MSG_ERROR([Solaris assembler (as) is required. Please install via "pkg install pkg:/developer/assembler".])
       
   602     fi
       
   603   else
       
   604     # FIXME: is this correct for microsoft?
       
   605     AS="$CC -c"
       
   606   fi
       
   607   AC_SUBST(AS)
       
   608 
       
   609   #
       
   610   # Setup the archiver (AR)
       
   611   #
       
   612   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   613     # The corresponding ar tool is lib.exe (used to create static libraries)
       
   614     AC_CHECK_PROG([AR], [lib],[lib],,,)
       
   615   elif test "x$TOOLCHAIN_TYPE" = xgcc; then
       
   616     BASIC_CHECK_TOOLS(AR, ar gcc-ar)
       
   617   else
       
   618     BASIC_CHECK_TOOLS(AR, ar)
       
   619   fi
       
   620   BASIC_FIXUP_EXECUTABLE(AR)
       
   621 ])
       
   622 
       
   623 # Setup additional tools that is considered a part of the toolchain, but not the
       
   624 # core part. Many of these are highly platform-specific and do not exist,
       
   625 # and/or are not needed on all platforms.
       
   626 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
       
   627 [
       
   628   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
       
   629     BASIC_PATH_PROGS(LIPO, lipo)
       
   630     BASIC_FIXUP_EXECUTABLE(LIPO)
       
   631   fi
       
   632 
       
   633   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   634     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
       
   635     BASIC_FIXUP_EXECUTABLE(MT)
       
   636     # Setup the resource compiler (RC)
       
   637     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
       
   638     BASIC_FIXUP_EXECUTABLE(RC)
       
   639     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
       
   640     BASIC_FIXUP_EXECUTABLE(DUMPBIN)
       
   641     # We need to check for 'msbuild.exe' because at the place where we expect to
       
   642     # find 'msbuild.exe' there's also a directory called 'msbuild' and configure
       
   643     # won't find the 'msbuild.exe' executable in that case (and the
       
   644     # 'ac_executable_extensions' is unusable due to performance reasons).
       
   645     # Notice that we intentionally don't fix up the path to MSBUILD because we
       
   646     # will call it in a DOS shell during freetype detection on Windows (see
       
   647     # 'LIB_SETUP_FREETYPE' in "libraries.m4"
       
   648     AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,)
       
   649   fi
       
   650 
       
   651   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
       
   652     BASIC_PATH_PROGS(STRIP, strip)
       
   653     BASIC_FIXUP_EXECUTABLE(STRIP)
       
   654     BASIC_PATH_PROGS(NM, nm)
       
   655     BASIC_FIXUP_EXECUTABLE(NM)
       
   656     BASIC_PATH_PROGS(GNM, gnm)
       
   657     BASIC_FIXUP_EXECUTABLE(GNM)
       
   658   elif test "x$OPENJDK_TARGET_OS" != xwindows; then
       
   659     # FIXME: we should unify this with the solaris case above.
       
   660     BASIC_CHECK_TOOLS(STRIP, strip)
       
   661     BASIC_FIXUP_EXECUTABLE(STRIP)
       
   662     if test "x$TOOLCHAIN_TYPE" = xgcc; then
       
   663       BASIC_CHECK_TOOLS(NM, nm gcc-nm)
       
   664     else
       
   665       BASIC_CHECK_TOOLS(NM, nm)
       
   666     fi
       
   667     BASIC_FIXUP_EXECUTABLE(NM)
       
   668     GNM="$NM"
       
   669     AC_SUBST(GNM)
       
   670   fi
       
   671 
       
   672   # objcopy is used for moving debug symbols to separate files when
       
   673   # full debug symbols are enabled.
       
   674   if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
       
   675     BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
       
   676     # Only call fixup if objcopy was found.
       
   677     if test -n "$OBJCOPY"; then
       
   678       BASIC_FIXUP_EXECUTABLE(OBJCOPY)
       
   679       if test "x$OPENJDK_BUILD_OS" = xsolaris; then
       
   680         # objcopy prior to 2.21.1 on solaris is broken and is not usable.
       
   681         # Rewrite objcopy version output to VALID_VERSION or BAD_VERSION.
       
   682         # - version number is last blank separate word on first line
       
   683         # - version number formats that have been seen:
       
   684         #   - <major>.<minor>
       
   685         #   - <major>.<minor>.<micro>
       
   686         OBJCOPY_VERSION=`$OBJCOPY --version | $HEAD -n 1`
       
   687         # The outer [ ] is to prevent m4 from eating the [] in the sed expression.
       
   688         [ OBJCOPY_VERSION_CHECK=`$ECHO $OBJCOPY_VERSION | $SED -n \
       
   689               -e 's/.* //' \
       
   690               -e '/^[01]\./b bad' \
       
   691               -e '/^2\./{' \
       
   692               -e '  s/^2\.//' \
       
   693               -e '  /^[0-9]$/b bad' \
       
   694               -e '  /^[0-9]\./b bad' \
       
   695               -e '  /^1[0-9]$/b bad' \
       
   696               -e '  /^1[0-9]\./b bad' \
       
   697               -e '  /^20\./b bad' \
       
   698               -e '  /^21\.0$/b bad' \
       
   699               -e '  /^21\.0\./b bad' \
       
   700               -e '}' \
       
   701               -e ':good' \
       
   702               -e 's/.*/VALID_VERSION/p' \
       
   703               -e 'q' \
       
   704               -e ':bad' \
       
   705               -e 's/.*/BAD_VERSION/p' \
       
   706               -e 'q'` ]
       
   707         if test "x$OBJCOPY_VERSION_CHECK" = xBAD_VERSION; then
       
   708           OBJCOPY=
       
   709           AC_MSG_WARN([Ignoring found objcopy since it is broken (prior to 2.21.1). No debug symbols will be generated.])
       
   710           AC_MSG_NOTICE([objcopy reports version $OBJCOPY_VERSION])
       
   711           AC_MSG_NOTICE([Note: patch 149063-01 or newer contains the correct Solaris 10 SPARC version])
       
   712           AC_MSG_NOTICE([Note: patch 149064-01 or newer contains the correct Solaris 10 X86 version])
       
   713           AC_MSG_NOTICE([Note: Solaris 11 Update 1 contains the correct version])
       
   714         fi
       
   715       fi
       
   716     fi
       
   717   fi
       
   718 
       
   719   BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
       
   720   if test "x$OBJDUMP" != x; then
       
   721     # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE
       
   722     # bails if argument is missing.
       
   723     BASIC_FIXUP_EXECUTABLE(OBJDUMP)
       
   724   fi
       
   725 ])
       
   726 
       
   727 # Setup the build tools (i.e, the compiler and linker used to build programs
       
   728 # that should be run on the build platform, not the target platform, as a build
       
   729 # helper). Since the non-cross-compile case uses the normal, target compilers
       
   730 # for this, we can only do this after these have been setup.
       
   731 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
       
   732 [
       
   733   if test "x$COMPILE_TYPE" = "xcross"; then
       
   734     # Now we need to find a C/C++ compiler that can build executables for the
       
   735     # build platform. We can't use the AC_PROG_CC macro, since it can only be
       
   736     # used once. Also, we need to do this without adding a tools dir to the
       
   737     # path, otherwise we might pick up cross-compilers which don't use standard
       
   738     # naming.
       
   739 
       
   740     OLDPATH="$PATH"
       
   741 
       
   742     AC_ARG_WITH(build-devkit, [AS_HELP_STRING([--with-build-devkit],
       
   743         [Devkit to use for the build platform toolchain])])
       
   744     if test "x$with_build_devkit" = "xyes"; then
       
   745       AC_MSG_ERROR([--with-build-devkit must have a value])
       
   746     elif test -n "$with_build_devkit"; then
       
   747       if test ! -d "$with_build_devkit"; then
       
   748         AC_MSG_ERROR([--with-build-devkit points to non existing dir: $with_build_devkit])
       
   749       else
       
   750         BASIC_FIXUP_PATH([with_build_devkit])
       
   751         BUILD_DEVKIT_ROOT="$with_build_devkit"
       
   752         # Check for a meta data info file in the root of the devkit
       
   753         if test -f "$BUILD_DEVKIT_ROOT/devkit.info"; then
       
   754           # Process devkit.info so that existing devkit variables are not
       
   755           # modified by this
       
   756           $SED -e "s/^DEVKIT_/BUILD_DEVKIT_/g" \
       
   757               -e "s/\$DEVKIT_ROOT/\$BUILD_DEVKIT_ROOT/g" \
       
   758               -e "s/\$host/\$build/g" \
       
   759               $BUILD_DEVKIT_ROOT/devkit.info \
       
   760               > $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
       
   761           . $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
       
   762           # This potentially sets the following:
       
   763           # A descriptive name of the devkit
       
   764           BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_NAME])
       
   765           # Corresponds to --with-extra-path
       
   766           BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_EXTRA_PATH])
       
   767           # Corresponds to --with-toolchain-path
       
   768           BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_TOOLCHAIN_PATH])
       
   769           # Corresponds to --with-sysroot
       
   770           BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_SYSROOT])
       
   771           # Skip the Window specific parts
       
   772         fi
       
   773 
       
   774         AC_MSG_CHECKING([for build platform devkit])
       
   775         if test "x$BUILD_DEVKIT_NAME" != x; then
       
   776           AC_MSG_RESULT([$BUILD_DEVKIT_NAME in $BUILD_DEVKIT_ROOT])
       
   777         else
       
   778           AC_MSG_RESULT([$BUILD_DEVKIT_ROOT])
       
   779         fi
       
   780 
       
   781         BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
       
   782         FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
       
   783 
       
   784          # Fallback default of just /bin if DEVKIT_PATH is not defined
       
   785         if test "x$BUILD_DEVKIT_TOOLCHAIN_PATH" = x; then
       
   786           BUILD_DEVKIT_TOOLCHAIN_PATH="$BUILD_DEVKIT_ROOT/bin"
       
   787         fi
       
   788         PATH="$BUILD_DEVKIT_TOOLCHAIN_PATH:$BUILD_DEVKIT_EXTRA_PATH"
       
   789       fi
       
   790     fi
       
   791 
       
   792     # FIXME: we should list the discovered compilers as an exclude pattern!
       
   793     # If we do that, we can do this detection before POST_DETECTION, and still
       
   794     # find the build compilers in the tools dir, if needed.
       
   795     BASIC_REQUIRE_PROGS(BUILD_CC, [cl cc gcc])
       
   796     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
       
   797     BASIC_REQUIRE_PROGS(BUILD_CXX, [cl CC g++])
       
   798     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
       
   799     BASIC_PATH_PROGS(BUILD_NM, nm gcc-nm)
       
   800     BASIC_FIXUP_EXECUTABLE(BUILD_NM)
       
   801     BASIC_PATH_PROGS(BUILD_AR, ar gcc-ar)
       
   802     BASIC_FIXUP_EXECUTABLE(BUILD_AR)
       
   803     BASIC_PATH_PROGS(BUILD_OBJCOPY, objcopy)
       
   804     BASIC_FIXUP_EXECUTABLE(BUILD_OBJCOPY)
       
   805     BASIC_PATH_PROGS(BUILD_STRIP, strip)
       
   806     BASIC_FIXUP_EXECUTABLE(BUILD_STRIP)
       
   807     # Assume the C compiler is the assembler
       
   808     BUILD_AS="$BUILD_CC -c"
       
   809     # Just like for the target compiler, use the compiler as linker
       
   810     BUILD_LD="$BUILD_CC"
       
   811     BUILD_LDCXX="$BUILD_CXX"
       
   812 
       
   813     PATH="$OLDPATH"
       
   814 
       
   815     TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CC, [BuildC])
       
   816     TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CXX, [BuildC++])
       
   817     TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([BUILD_], [OPENJDK_BUILD_])
       
   818   else
       
   819     # If we are not cross compiling, use the normal target compilers for
       
   820     # building the build platform executables.
       
   821     BUILD_CC="$CC"
       
   822     BUILD_CXX="$CXX"
       
   823     BUILD_LD="$LD"
       
   824     BUILD_LDCXX="$LDCXX"
       
   825     BUILD_NM="$NM"
       
   826     BUILD_AS="$AS"
       
   827     BUILD_OBJCOPY="$OBJCOPY"
       
   828     BUILD_STRIP="$STRIP"
       
   829     BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
       
   830     BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
       
   831     BUILD_AR="$AR"
       
   832 
       
   833     TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([], [OPENJDK_BUILD_])
       
   834   fi
       
   835 
       
   836   AC_SUBST(BUILD_CC)
       
   837   AC_SUBST(BUILD_CXX)
       
   838   AC_SUBST(BUILD_LD)
       
   839   AC_SUBST(BUILD_LDCXX)
       
   840   AC_SUBST(BUILD_NM)
       
   841   AC_SUBST(BUILD_AS)
       
   842   AC_SUBST(BUILD_SYSROOT_CFLAGS)
       
   843   AC_SUBST(BUILD_SYSROOT_LDFLAGS)
       
   844   AC_SUBST(BUILD_AR)
       
   845 ])
       
   846 
       
   847 # Do some additional checks on the detected tools.
       
   848 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
       
   849 [
       
   850   # The package path is used only on macosx?
       
   851   # FIXME: clean this up, and/or move it elsewhere.
       
   852   PACKAGE_PATH=/opt/local
       
   853   AC_SUBST(PACKAGE_PATH)
       
   854 
       
   855   # Check for extra potential brokenness.
       
   856   if test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   857     # On Windows, double-check that we got the right compiler.
       
   858     CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
       
   859     COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
       
   860     if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
       
   861       if test "x$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then
       
   862         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".])
       
   863       fi
       
   864     elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
       
   865       if test "x$COMPILER_CPU_TEST" != "xx64"; then
       
   866         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
       
   867       fi
       
   868     fi
       
   869   fi
       
   870 
       
   871   if test "x$TOOLCHAIN_TYPE" = xgcc; then
       
   872     # If this is a --hash-style=gnu system, use --hash-style=both, why?
       
   873     HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
       
   874     # This is later checked when setting flags.
       
   875 
       
   876     # "-Og" suppported for GCC 4.8 and later
       
   877     CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
       
   878     FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CFLAG_OPTIMIZE_DEBUG_FLAG],
       
   879       IF_TRUE: [HAS_CFLAG_OPTIMIZE_DEBUG=true],
       
   880       IF_FALSE: [HAS_CFLAG_OPTIMIZE_DEBUG=false])
       
   881 
       
   882     # "-z relro" supported in GNU binutils 2.17 and later
       
   883     LINKER_RELRO_FLAG="-Wl,-z,relro"
       
   884     FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_RELRO_FLAG],
       
   885       IF_TRUE: [HAS_LINKER_RELRO=true],
       
   886       IF_FALSE: [HAS_LINKER_RELRO=false])
       
   887 
       
   888     # "-z now" supported in GNU binutils 2.11 and later
       
   889     LINKER_NOW_FLAG="-Wl,-z,now"
       
   890     FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_NOW_FLAG],
       
   891       IF_TRUE: [HAS_LINKER_NOW=true],
       
   892       IF_FALSE: [HAS_LINKER_NOW=false])
       
   893   fi
       
   894 
       
   895   # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
       
   896   # in executable.'
       
   897   USING_BROKEN_SUSE_LD=no
       
   898   if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
       
   899     AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
       
   900     $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map
       
   901     $ECHO "int main() { }" > main.c
       
   902     if $CXX -Wl,-version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
       
   903       AC_MSG_RESULT(no)
       
   904       USING_BROKEN_SUSE_LD=no
       
   905     else
       
   906       AC_MSG_RESULT(yes)
       
   907       USING_BROKEN_SUSE_LD=yes
       
   908     fi
       
   909     $RM version-script.map main.c a.out
       
   910   fi
       
   911   AC_SUBST(USING_BROKEN_SUSE_LD)
       
   912 
       
   913   # Setup hotspot lecagy names for toolchains
       
   914   HOTSPOT_TOOLCHAIN_TYPE=$TOOLCHAIN_TYPE
       
   915   if test "x$TOOLCHAIN_TYPE" = xclang; then
       
   916     HOTSPOT_TOOLCHAIN_TYPE=gcc
       
   917   elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
       
   918     HOTSPOT_TOOLCHAIN_TYPE=sparcWorks
       
   919   elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       
   920     HOTSPOT_TOOLCHAIN_TYPE=visCPP
       
   921   fi
       
   922   AC_SUBST(HOTSPOT_TOOLCHAIN_TYPE)
       
   923 ])
       
   924 
       
   925 # Setup the JTReg Regression Test Harness.
       
   926 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
       
   927 [
       
   928   AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
       
   929       [Regression Test Harness @<:@probed@:>@])])
       
   930 
       
   931   if test "x$with_jtreg" = xno; then
       
   932     # jtreg disabled
       
   933     AC_MSG_CHECKING([for jtreg test harness])
       
   934     AC_MSG_RESULT([no, disabled])
       
   935   elif test "x$with_jtreg" != xyes && test "x$with_jtreg" != x; then
       
   936     # An explicit path is specified, use it.
       
   937     JT_HOME="$with_jtreg"
       
   938     if test ! -d "$JT_HOME"; then
       
   939       AC_MSG_ERROR([jtreg home directory from --with-jtreg=$with_jtreg does not exist])
       
   940     fi
       
   941 
       
   942     if test ! -e "$JT_HOME/lib/jtreg.jar"; then
       
   943       AC_MSG_ERROR([jtreg home directory from --with-jtreg=$with_jtreg is not a valid jtreg home])
       
   944     fi
       
   945 
       
   946     JTREGEXE="$JT_HOME/bin/jtreg"
       
   947     if test ! -x "$JTREGEXE"; then
       
   948       AC_MSG_ERROR([jtreg home directory from --with-jtreg=$with_jtreg does not contain valid jtreg executable])
       
   949     fi
       
   950 
       
   951     AC_MSG_CHECKING([for jtreg test harness])
       
   952     AC_MSG_RESULT([$JT_HOME])
       
   953   else
       
   954     # Try to locate jtreg
       
   955     if test "x$JT_HOME" != x; then
       
   956       # JT_HOME set in environment, use it
       
   957       if test ! -d "$JT_HOME"; then
       
   958         AC_MSG_WARN([Ignoring JT_HOME pointing to invalid directory: $JT_HOME])
       
   959         JT_HOME=
       
   960       else
       
   961         if test ! -e "$JT_HOME/lib/jtreg.jar"; then
       
   962           AC_MSG_WARN([Ignoring JT_HOME which is not a valid jtreg home: $JT_HOME])
       
   963           JT_HOME=
       
   964         elif test ! -x "$JT_HOME/bin/jtreg"; then
       
   965           AC_MSG_WARN([Ignoring JT_HOME which does not contain valid jtreg executable: $JT_HOME])
       
   966           JT_HOME=
       
   967         else
       
   968           JTREGEXE="$JT_HOME/bin/jtreg"
       
   969           AC_MSG_NOTICE([Located jtreg using JT_HOME from environment])
       
   970         fi
       
   971       fi
       
   972     fi
       
   973 
       
   974     if test "x$JT_HOME" = x; then
       
   975       # JT_HOME is not set in environment, or was deemed invalid.
       
   976       # Try to find jtreg on path
       
   977       BASIC_PATH_PROGS(JTREGEXE, jtreg)
       
   978       if test "x$JTREGEXE" != x; then
       
   979         # That's good, now try to derive JT_HOME
       
   980         JT_HOME=`(cd $($DIRNAME $JTREGEXE)/.. && pwd)`
       
   981         if test ! -e "$JT_HOME/lib/jtreg.jar"; then
       
   982           AC_MSG_WARN([Ignoring jtreg from path since a valid jtreg home cannot be found])
       
   983           JT_HOME=
       
   984           JTREGEXE=
       
   985         else
       
   986           AC_MSG_NOTICE([Located jtreg using jtreg executable in path])
       
   987         fi
       
   988       fi
       
   989     fi
       
   990 
       
   991     AC_MSG_CHECKING([for jtreg test harness])
       
   992     if test "x$JT_HOME" != x; then
       
   993       AC_MSG_RESULT([$JT_HOME])
       
   994     else
       
   995       AC_MSG_RESULT([no, not found])
       
   996 
       
   997       if test "x$with_jtreg" = xyes; then
       
   998         AC_MSG_ERROR([--with-jtreg was specified, but no jtreg found.])
       
   999       fi
       
  1000     fi
       
  1001   fi
       
  1002 
       
  1003   BASIC_FIXUP_EXECUTABLE(JTREGEXE)
       
  1004   BASIC_FIXUP_PATH(JT_HOME)
       
  1005   AC_SUBST(JT_HOME)
       
  1006   AC_SUBST(JTREGEXE)
       
  1007 ])
       
  1008 
       
  1009 # Setup the JIB dependency resolver
       
  1010 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JIB],
       
  1011 [
       
  1012   AC_ARG_WITH(jib, [AS_HELP_STRING([--with-jib],
       
  1013       [Jib dependency management tool @<:@not used@:>@])])
       
  1014 
       
  1015   if test "x$with_jib" = xno || test "x$with_jib" = x; then
       
  1016     # jib disabled
       
  1017     AC_MSG_CHECKING([for jib])
       
  1018     AC_MSG_RESULT(no)
       
  1019   elif test "x$with_jib" = xyes; then
       
  1020     AC_MSG_ERROR([Must supply a value to --with-jib])
       
  1021   else
       
  1022     JIB_HOME="${with_jib}"
       
  1023     AC_MSG_CHECKING([for jib])
       
  1024     AC_MSG_RESULT(${JIB_HOME})
       
  1025     if test ! -d "${JIB_HOME}"; then
       
  1026       AC_MSG_ERROR([--with-jib must be a directory])
       
  1027     fi
       
  1028     JIB_JAR=$(ls ${JIB_HOME}/lib/jib-*.jar)
       
  1029     if test ! -f "${JIB_JAR}"; then
       
  1030       AC_MSG_ERROR([Could not find jib jar file in ${JIB_HOME}])
       
  1031     fi
       
  1032   fi
       
  1033 
       
  1034   AC_SUBST(JIB_JAR)
       
  1035 ])