jdk8-mips64-public: common/autoconf/toolchain.m4@ddf2d8bf87c0 (annotated)

common/autoconf/toolchain.m4@ddf2d8bf87c0 (annotated)

common/autoconf/toolchain.m4

Thu, 05 Apr 2018 08:14:51 -0700

author: kevinw
date: Thu, 05 Apr 2018 08:14:51 -0700
changeset 2207: ddf2d8bf87c0
parent 2206: 7ba4e17574e0
child 2208: feba63b3fa36
permissions: -rw-r--r--

8035725: Must keep microsoft VS_PATH on PATH after toolchain detection
Reviewed-by: ihse, erikj

 #
 # Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this
 # particular file as subject to the "Classpath" exception as provided
 # by Oracle in the LICENSE file that accompanied this code.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
 ########################################################################
 # This file is responsible for detecting, verifying and setting up the
 # toolchain, i.e. the compiler, linker and related utilities. It will setup
 # proper paths to the binaries, but it will not setup any flags.
 #
 # The binaries used is determined by the toolchain type, which is the family of
 # compilers and related tools that are used.
 ########################################################################
 # All valid toolchains, regardless of platform (used by help.m4)
 VALID_TOOLCHAINS_all="gcc clang solstudio xlc microsoft"
 # These toolchains are valid on different platforms
 VALID_TOOLCHAINS_linux="gcc clang"
 VALID_TOOLCHAINS_solaris="solstudio"
 VALID_TOOLCHAINS_macosx="gcc clang"
 VALID_TOOLCHAINS_aix="xlc"
 VALID_TOOLCHAINS_windows="microsoft"
 # Toolchain descriptions
 TOOLCHAIN_DESCRIPTION_clang="clang/LLVM"
 TOOLCHAIN_DESCRIPTION_gcc="GNU Compiler Collection"
 TOOLCHAIN_DESCRIPTION_microsoft="Microsoft Visual Studio"
 TOOLCHAIN_DESCRIPTION_solstudio="Oracle Solaris Studio"
 TOOLCHAIN_DESCRIPTION_xlc="IBM XL C/C++"
 # Prepare the system so that TOOLCHAIN_CHECK_COMPILER_VERSION can be called.
 # Must have CC_VERSION_NUMBER and CXX_VERSION_NUMBER.
 # $1 - optional variable prefix for compiler and version variables (BUILD_)
 # $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
 AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
 [
   if test "x$CC_VERSION" != "x$CXX_VERSION"; then
     AC_MSG_WARN([C and C++ compiler has different version numbers, $CC_VERSION vs $CXX_VERSION.])
     AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
   fi
   # We only check CC_VERSION since we assume CXX_VERSION is equal.
   if [ [[ "$CC_VERSION" =~ (.*\.){3} ]] ]; then
     AC_MSG_WARN([C compiler version number has more than three parts (X.Y.Z): $CC_VERSION. Comparisons might be wrong.])
   fi
   if [ [[  "$CC_VERSION" =~ [0-9]{6} ]] ]; then
     AC_MSG_WARN([C compiler version number has a part larger than 99999: $CC_VERSION. Comparisons might be wrong.])
   fi
   $2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$CC_VERSION"`
 ])
 # Check if the configured compiler (C and C++) is of a specific version or
 # newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
 #
 # Arguments:
 #   $1:   The version string to check against the found version
 #   $2:   block to run if the compiler is at least this version (>=)
 #   $3:   block to run if the compiler is older than this version (<)
 AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
 [
   REFERENCE_VERSION=$1
   if [ [[ "$REFERENCE_VERSION" =~ (.*\.){3} ]] ]; then
     AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only three parts (X.Y.Z) is supported])
   fi
   if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
     AC_MSG_ERROR([Internal error: Cannot compare to $REFERENCE_VERSION, only parts < 99999 is supported])
   fi
   # Version comparison method inspired by http://stackoverflow.com/a/24067243
   COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d\n", [$]1, [$]2, [$]3) }' <<< "$REFERENCE_VERSION"`
   if test $COMPARABLE_ACTUAL_VERSION -ge $COMPARABLE_REFERENCE_VERSION ; then
     m4_ifval([$2], [$2], [:])
   else
     m4_ifval([$3], [$3], [:])
   fi
 ])
 # Setup a number of variables describing how native output files are
 # named on this platform/toolchain.
 AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
 [
   # Define filename patterns
   if test "x$OPENJDK_TARGET_OS" = xwindows; then
     LIBRARY_PREFIX=
     SHARED_LIBRARY_SUFFIX='.dll'
     STATIC_LIBRARY_SUFFIX='.lib'
     SHARED_LIBRARY='[$]1.dll'
     STATIC_LIBRARY='[$]1.lib'
     OBJ_SUFFIX='.obj'
     EXE_SUFFIX='.exe'
   else
     LIBRARY_PREFIX=lib
     SHARED_LIBRARY_SUFFIX='.so'
     STATIC_LIBRARY_SUFFIX='.a'
     SHARED_LIBRARY='lib[$]1.so'
     STATIC_LIBRARY='lib[$]1.a'
     OBJ_SUFFIX='.o'
     EXE_SUFFIX=''
     if test "x$OPENJDK_TARGET_OS" = xmacosx; then
       SHARED_LIBRARY='lib[$]1.dylib'
       SHARED_LIBRARY_SUFFIX='.dylib'
     fi
   fi
   AC_SUBST(LIBRARY_PREFIX)
   AC_SUBST(SHARED_LIBRARY_SUFFIX)
   AC_SUBST(STATIC_LIBRARY_SUFFIX)
   AC_SUBST(SHARED_LIBRARY)
   AC_SUBST(STATIC_LIBRARY)
   AC_SUBST(OBJ_SUFFIX)
   AC_SUBST(EXE_SUFFIX)
 ])
 # Determine which toolchain type to use, and make sure it is valid for this
 # platform. Setup various information about the selected toolchain.
 AC_DEFUN_ONCE([TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE],
 [
   AC_ARG_WITH(toolchain-type, [AS_HELP_STRING([--with-toolchain-type],
       [the toolchain type (or family) to use, use '--help' to show possible values @<:@platform dependent@:>@])])
   # Use indirect variable referencing
   toolchain_var_name=VALID_TOOLCHAINS_$OPENJDK_BUILD_OS
   VALID_TOOLCHAINS=${!toolchain_var_name}
   # First toolchain type in the list is the default
   DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
   if test "x$with_toolchain_type" = xlist; then
     # List all toolchains
     AC_MSG_NOTICE([The following toolchains are valid on this platform:])
     for toolchain in $VALID_TOOLCHAINS; do
       toolchain_var_name=TOOLCHAIN_DESCRIPTION_$toolchain
       TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
       $PRINTF "  %-10s  %s\n" $toolchain "$TOOLCHAIN_DESCRIPTION"
     done
     exit 0
   elif test "x$with_toolchain_type" != x; then
     # User override; check that it is valid
     if test "x${VALID_TOOLCHAINS/$with_toolchain_type/}" = "x${VALID_TOOLCHAINS}"; then
       AC_MSG_NOTICE([Toolchain type $with_toolchain_type is not valid on this platform.])
       AC_MSG_NOTICE([Valid toolchains: $VALID_TOOLCHAINS.])
       AC_MSG_ERROR([Cannot continue.])
     fi
     TOOLCHAIN_TYPE=$with_toolchain_type
   else
     # No flag given, use default
     TOOLCHAIN_TYPE=$DEFAULT_TOOLCHAIN
   fi
   AC_SUBST(TOOLCHAIN_TYPE)
   TOOLCHAIN_CC_BINARY_clang="clang"
   TOOLCHAIN_CC_BINARY_gcc="gcc"
   TOOLCHAIN_CC_BINARY_microsoft="cl"
   TOOLCHAIN_CC_BINARY_solstudio="cc"
   TOOLCHAIN_CC_BINARY_xlc="xlc_r"
   TOOLCHAIN_CXX_BINARY_clang="clang++"
   TOOLCHAIN_CXX_BINARY_gcc="g++"
   TOOLCHAIN_CXX_BINARY_microsoft="cl"
   TOOLCHAIN_CXX_BINARY_solstudio="CC"
   TOOLCHAIN_CXX_BINARY_xlc="xlC_r"
   # Use indirect variable referencing
   toolchain_var_name=TOOLCHAIN_DESCRIPTION_$TOOLCHAIN_TYPE
   TOOLCHAIN_DESCRIPTION=${!toolchain_var_name}
   toolchain_var_name=TOOLCHAIN_CC_BINARY_$TOOLCHAIN_TYPE
   TOOLCHAIN_CC_BINARY=${!toolchain_var_name}
   toolchain_var_name=TOOLCHAIN_CXX_BINARY_$TOOLCHAIN_TYPE
   TOOLCHAIN_CXX_BINARY=${!toolchain_var_name}
   TOOLCHAIN_SETUP_FILENAME_PATTERNS
   if test "x$TOOLCHAIN_TYPE" = "x$DEFAULT_TOOLCHAIN"; then
     AC_MSG_NOTICE([Using default toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION)])
   else
     AC_MSG_NOTICE([Using user selected toolchain $TOOLCHAIN_TYPE ($TOOLCHAIN_DESCRIPTION). Default toolchain is $DEFAULT_TOOLCHAIN.])
   fi
 ])
 # Before we start detecting the toolchain executables, we might need some
 # special setup, e.g. additional paths etc.
 AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
 [
   # FIXME: Is this needed?
   AC_LANG(C++)
   # Store the CFLAGS etal passed to the configure script.
   ORG_CFLAGS="$CFLAGS"
   ORG_CXXFLAGS="$CXXFLAGS"
   ORG_OBJCFLAGS="$OBJCFLAGS"
   # On Windows, we need to detect the visual studio installation first.
   # This will change the PATH, but we need to keep that new PATH even
   # after toolchain detection is done, since the compiler (on x86) uses
   # it for DLL resolution in runtime.
   if test "x$OPENJDK_BUILD_OS" = "xwindows" && test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
     TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
   fi
   # autoconf magic only relies on PATH, so update it if tools dir is specified
   OLD_PATH="$PATH"
   # Before we locate the compilers, we need to sanitize the Xcode build environment
   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
     # determine path to Xcode developer directory
     # can be empty in which case all the tools will rely on a sane Xcode 4 installation
     SET_DEVELOPER_DIR=
     if test -n "$XCODE_PATH"; then
       DEVELOPER_DIR="$XCODE_PATH"/Contents/Developer
     fi
     # DEVELOPER_DIR could also be provided directly
     AC_MSG_CHECKING([Determining if we need to set DEVELOPER_DIR])
     if test -n "$DEVELOPER_DIR"; then
       if test ! -d "$DEVELOPER_DIR"; then
         AC_MSG_ERROR([Xcode Developer path does not exist: $DEVELOPER_DIR, please provide a path to the Xcode 4 application bundle using --with-xcode-path])
       fi
       if test ! -f "$DEVELOPER_DIR"/usr/bin/xcodebuild; then
         AC_MSG_ERROR([Xcode Developer path is not valid: $DEVELOPER_DIR, it must point to Contents/Developer inside an Xcode application bundle])
       fi
       # make it visible to all the tools immediately
       export DEVELOPER_DIR
       SET_DEVELOPER_DIR="export DEVELOPER_DIR := $DEVELOPER_DIR"
       AC_MSG_RESULT([yes ($DEVELOPER_DIR)])
     else
       AC_MSG_RESULT([no])
     fi
     AC_SUBST(SET_DEVELOPER_DIR)
     AC_PATH_PROG(XCODEBUILD, xcodebuild)
     if test -z "$XCODEBUILD"; then
       AC_MSG_ERROR([The xcodebuild tool was not found, the Xcode command line tools are required to build on Mac OS X])
     fi
     # Fail-fast: verify we're building on Xcode 4, we cannot build with Xcode 5 or later
     XCODE_VERSION=`$XCODEBUILD -version | grep '^Xcode ' | sed 's/Xcode //'`
     XC_VERSION_PARTS=( ${XCODE_VERSION//./ } )
     if test ! "${XC_VERSION_PARTS[[0]]}" = "4"; then
       AC_MSG_ERROR([Xcode 4 is required to build JDK 8, the version found was $XCODE_VERSION. Use --with-xcode-path to specify the location of Xcode 4 or make Xcode 4 active by using xcode-select.])
     fi
     # Some versions of Xcode 5 command line tools install gcc and g++ as symlinks to
     # clang and clang++, which will break the build. So handle that here if we need to.
     if test -L "/usr/bin/gcc" -o -L "/usr/bin/g++"; then
       # use xcrun to find the real gcc and add it's directory to PATH
       # then autoconf magic will find it
       AC_MSG_NOTICE([Found gcc symlinks to clang in /usr/bin, adding path to real gcc to PATH])
       XCODE_BIN_PATH=$(dirname `xcrun -find gcc`)
       PATH="$XCODE_BIN_PATH":$PATH
     fi
     # Determine appropriate SDKPATH, don't use SDKROOT as it interferes with the stub tools
     AC_MSG_CHECKING([Determining Xcode SDK path])
     # allow SDKNAME to be set to override the default SDK selection
     SDKPATH=`"$XCODEBUILD" -sdk ${SDKNAME:-macosx} -version | grep '^Path: ' | sed 's/Path: //'`
     if test -n "$SDKPATH"; then
       AC_MSG_RESULT([$SDKPATH])
     else
       AC_MSG_RESULT([(none, will use system headers and frameworks)])
     fi
     AC_SUBST(SDKPATH)
     # Perform a basic sanity test
     if test ! -f "$SDKPATH/System/Library/Frameworks/Foundation.framework/Headers/Foundation.h"; then
       AC_MSG_ERROR([Unable to find required framework headers, provide a valid path to Xcode 4 using --with-xcode-path])
     fi
     # if SDKPATH is non-empty then we need to add -isysroot and -iframework for gcc and g++
     if test -n "$SDKPATH"; then
       # We need -isysroot <path> and -iframework<path>/System/Library/Frameworks
       CFLAGS_JDK="${CFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
       CXXFLAGS_JDK="${CXXFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
       LDFLAGS_JDK="${LDFLAGS_JDK} -isysroot \"$SDKPATH\" -iframework\"$SDKPATH/System/Library/Frameworks\""
     fi
     # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
     # setting this here means it doesn't have to be peppered throughout the forest
     CFLAGS_JDK="$CFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
     CXXFLAGS_JDK="$CXXFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
     LDFLAGS_JDK="$LDFLAGS_JDK -F\"$SDKPATH/System/Library/Frameworks/JavaVM.framework/Frameworks\""
   fi
   # For solaris we really need solaris tools, and not the GNU equivalent.
   # The build tools on Solaris reside in /usr/ccs (C Compilation System),
   # so add that to path before starting to probe.
   # FIXME: This was originally only done for AS,NM,GNM,STRIP,MCS,OBJCOPY,OBJDUMP.
   if test "x$OPENJDK_BUILD_OS" = xsolaris; then
     PATH="/usr/ccs/bin:$PATH"
   fi
   # Finally add TOOLS_DIR at the beginning, to allow --with-tools-dir to
   # override all other locations.
   if test "x$TOOLS_DIR" != x; then
     PATH=$TOOLS_DIR:$PATH
   fi
   # If a devkit is found on the builddeps server, then prepend its path to the
   # PATH variable. If there are cross compilers available in the devkit, these
   # will be found by AC_PROG_CC et al.
   DEVKIT=
   BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
       [
         # Found devkit
         PATH="$DEVKIT/bin:$PATH"
         SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
         if test "x$x_includes" = "xNONE"; then
           x_includes="$SYS_ROOT/usr/include/X11"
         fi
         if test "x$x_libraries" = "xNONE"; then
           x_libraries="$SYS_ROOT/usr/lib"
         fi
       ],
       [])
 ])
 # Restore path, etc
 AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
 [
   # Restore old path.
   PATH="$OLD_PATH"
   # Restore the flags to the user specified values.
   # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
   CFLAGS="$ORG_CFLAGS"
   CXXFLAGS="$ORG_CXXFLAGS"
   OBJCFLAGS="$ORG_OBJCFLAGS"
 ])
 # Check if a compiler is of the toolchain type we expect, and save the version
 # information from it. If the compiler does not match the expected type,
 # this function will abort using AC_MSG_ERROR. If it matches, the version will
 # be stored in CC_VERSION_NUMBER/CXX_VERSION_NUMBER (as a dotted number), and
 # the full version string in CC_VERSION_STRING/CXX_VERSION_STRING.
 #
 # $1 = compiler to test (CC or CXX)
 # $2 = human readable name of compiler (C or C++)
 AC_DEFUN([TOOLCHAIN_EXTRACT_COMPILER_VERSION],
 [
   COMPILER=[$]$1
   COMPILER_NAME=$2
   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
     # cc -V output typically looks like
     #     cc: Sun C 5.12 Linux_i386 2011/11/16
     COMPILER_VERSION_OUTPUT=`$COMPILER -V 2>&1`
     # Check that this is likely to be the Solaris Studio cc.
     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
     if test $? -ne 0; then
       ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_OUTPUT"])
       AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
     fi
     # Remove usage instructions (if present), and
     # collapse compiler output into a single line
     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/ *@<:@Uu@:>@sage:.*//'`
     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/"`
   elif test  "x$TOOLCHAIN_TYPE" = xxlc; then
     # xlc -qversion output typically looks like
     #     IBM XL C/C++ for AIX, V11.1 (5724-X13)
     #     Version: 11.01.0000.0015
     COMPILER_VERSION_OUTPUT=`$COMPILER -qversion 2>&1`
     # Check that this is likely to be the IBM XL C compiler.
     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "IBM XL C" > /dev/null
     if test $? -ne 0; then
       ALT_VERSION_OUTPUT=`$COMPILER --version 2>&1`
       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       AC_MSG_NOTICE([The result from running with -qversion was: "$COMPILER_VERSION_OUTPUT"])
       AC_MSG_NOTICE([The result from running with --version was: "$ALT_VERSION_OUTPUT"])
       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
     fi
     # Collapse compiler output into a single line
     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/^.*, V\(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
   elif test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     # There is no specific version flag, but all output starts with a version string.
     # First line typically looks something like:
     # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
     COMPILER_VERSION_OUTPUT=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
     # Check that this is likely to be Microsoft CL.EXE.
     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Microsoft.*Compiler" > /dev/null
     if test $? -ne 0; then
       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       AC_MSG_NOTICE([The result from running it was: "$COMPILER_VERSION_OUTPUT"])
       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
     fi
     # Collapse compiler output into a single line
     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/^.*ersion.\(@<:@1-9@:>@@<:@0-9.@:>@*\) .*$/\1/'`
   elif test  "x$TOOLCHAIN_TYPE" = xgcc; then
     # gcc --version output typically looks like
     #     gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
     #     Copyright (C) 2013 Free Software Foundation, Inc.
     #     This is free software; see the source for copying conditions.  There is NO
     #     warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
     # Check that this is likely to be GCC.
     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "Free Software Foundation" > /dev/null
     if test $? -ne 0; then
       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION"])
       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
     fi
     # Remove Copyright and legalese from version string, and
     # collapse into a single line
     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/ *Copyright .*//'`
     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\) .*$/\1/'`
   elif test  "x$TOOLCHAIN_TYPE" = xclang; then
     # clang --version output typically looks like
     #    Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
     #    clang version 3.3 (tags/RELEASE_33/final)
     # or
     #    Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2)
     #    Target: x86_64-pc-linux-gnu
     #    Thread model: posix
     COMPILER_VERSION_OUTPUT=`$COMPILER --version 2>&1`
     # Check that this is likely to be clang
     $ECHO "$COMPILER_VERSION_OUTPUT" | $GREP "clang" > /dev/null
     if test $? -ne 0; then
       AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required $TOOLCHAIN_TYPE compiler.])
       AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_OUTPUT"])
       AC_MSG_ERROR([A $TOOLCHAIN_TYPE compiler is required. Try setting --with-tools-dir.])
     fi
     # Collapse compiler output into a single line
     COMPILER_VERSION_STRING=`$ECHO $COMPILER_VERSION_OUTPUT`
     COMPILER_VERSION_NUMBER=`$ECHO $COMPILER_VERSION_OUTPUT | \
         $SED -e 's/^.*clang version \(@<:@1-9@:>@@<:@0-9.@:>@*\).*$/\1/'`
   else
       AC_MSG_ERROR([Unknown toolchain type $TOOLCHAIN_TYPE.])
   fi
   # This sets CC_VERSION_NUMBER or CXX_VERSION_NUMBER. (This comment is a grep marker)
   $1_VERSION_NUMBER="$COMPILER_VERSION_NUMBER"
   # This sets CC_VERSION_STRING or CXX_VERSION_STRING. (This comment is a grep marker)
   $1_VERSION_STRING="$COMPILER_VERSION_STRING"
   AC_MSG_NOTICE([Using $TOOLCHAIN_TYPE $COMPILER_NAME compiler version $COMPILER_VERSION_NUMBER @<:@$COMPILER_VERSION_STRING@:>@])
 ])
 # Try to locate the given C or C++ compiler in the path, or otherwise.
 #
 # $1 = compiler to test (CC or CXX)
 # $2 = human readable name of compiler (C or C++)
 # $3 = list of compiler names to search for
 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
 [
   COMPILER_NAME=$2
   SEARCH_LIST="$3"
   if test "x[$]$1" != x; then
     # User has supplied compiler name already, always let that override.
     AC_MSG_NOTICE([Will use user supplied compiler $1=[$]$1])
     if test "x`basename [$]$1`" = "x[$]$1"; then
       # A command without a complete path is provided, search $PATH.
       AC_PATH_PROGS(POTENTIAL_$1, [$]$1)
       if test "x$POTENTIAL_$1" != x; then
         $1=$POTENTIAL_$1
       else
         AC_MSG_ERROR([User supplied compiler $1=[$]$1 could not be found])
       fi
     else
       # Otherwise it might already be a complete path
       if test ! -x "[$]$1"; then
         AC_MSG_ERROR([User supplied compiler $1=[$]$1 does not exist])
       fi
     fi
   else
     # No user supplied value. Locate compiler ourselves.
     # If we are cross compiling, assume cross compilation tools follows the
     # cross compilation standard where they are prefixed with the autoconf
     # standard name for the target. For example the binary
     # i686-sun-solaris2.10-gcc will cross compile for i686-sun-solaris2.10.
     # If we are not cross compiling, then the default compiler name will be
     # used.
     $1=
     # If TOOLS_DIR is set, check for all compiler names in there first
     # before checking the rest of the PATH.
     # FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
     # step, this should not be necessary.
     if test -n "$TOOLS_DIR"; then
       PATH_save="$PATH"
       PATH="$TOOLS_DIR"
       AC_PATH_PROGS(TOOLS_DIR_$1, $3)
       $1=$TOOLS_DIR_$1
       PATH="$PATH_save"
     fi
     # AC_PATH_PROGS can't be run multiple times with the same variable,
     # so create a new name for this run.
     if test "x[$]$1" = x; then
       AC_PATH_PROGS(POTENTIAL_$1, $3)
       $1=$POTENTIAL_$1
     fi
     if test "x[$]$1" = x; then
       HELP_MSG_MISSING_DEPENDENCY([devkit])
       AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
     fi
   fi
   # Now we have a compiler binary in $1. Make sure it's okay.
   BASIC_FIXUP_EXECUTABLE($1)
   TEST_COMPILER="[$]$1"
   # Don't remove symbolic links on AIX because 'xlc_r' and 'xlC_r' may all be links
   # to 'xlc' but it is crucial that we invoke the compiler with the right name!
   if test "x$OPENJDK_BUILD_OS" != xaix; then
     # FIXME: This test should not be needed anymore; we don't do that for any platform.
     AC_MSG_CHECKING([resolved symbolic links for $1])
     BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
     AC_MSG_RESULT([$TEST_COMPILER])
   fi
   AC_MSG_CHECKING([if $1 is disguised ccache])
   COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
   if test "x$COMPILER_BASENAME" = "xccache"; then
     AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
     # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
     # We want to control ccache invocation ourselves, so ignore this cc and try
     # searching again.
     # Remove the path to the fake ccache cc from the PATH
     RETRY_COMPILER_SAVED_PATH="$PATH"
     COMPILER_DIRNAME=`$DIRNAME [$]$1`
     PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
     # Try again looking for our compiler
     AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
     BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
     PATH="$RETRY_COMPILER_SAVED_PATH"
     AC_MSG_CHECKING([for resolved symbolic links for $1])
     BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
     AC_MSG_RESULT([$PROPER_COMPILER_$1])
     $1="$PROPER_COMPILER_$1"
   else
     AC_MSG_RESULT([no, keeping $1])
     $1="$TEST_COMPILER"
   fi
   TOOLCHAIN_EXTRACT_COMPILER_VERSION([$1], [$COMPILER_NAME])
 ])
 # Detect the core components of the toolchain, i.e. the compilers (CC and CXX),
 # preprocessor (CPP and CXXCPP), the linker (LD), the assembler (AS) and the
 # archiver (AR). Verify that the compilers are correct according to the
 # toolchain type.
 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_CORE],
 [
   #
   # Setup the compilers (CC and CXX)
   #
   TOOLCHAIN_FIND_COMPILER([CC], [C], $TOOLCHAIN_CC_BINARY)
   # Now that we have resolved CC ourself, let autoconf have its go at it
   AC_PROG_CC([$CC])
   TOOLCHAIN_FIND_COMPILER([CXX], [C++], $TOOLCHAIN_CXX_BINARY)
   # Now that we have resolved CXX ourself, let autoconf have its go at it
   AC_PROG_CXX([$CXX])
   # This is the compiler version number on the form X.Y[.Z]
   AC_SUBST(CC_VERSION_NUMBER)
   AC_SUBST(CXX_VERSION_NUMBER)
   TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS
   #
   # Setup the preprocessor (CPP and CXXCPP)
   #
   AC_PROG_CPP
   BASIC_FIXUP_EXECUTABLE(CPP)
   AC_PROG_CXXCPP
   BASIC_FIXUP_EXECUTABLE(CXXCPP)
   #
   # Setup the linker (LD)
   #
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     # In the Microsoft toolchain we have a separate LD command "link".
     # Make sure we reject /usr/bin/link (as determined in CYGWIN_LINK), which is
     # a cygwin program for something completely different.
     AC_CHECK_PROG([LD], [link],[link],,, [$CYGWIN_LINK])
     BASIC_FIXUP_EXECUTABLE(LD)
     # Verify that we indeed succeeded with this trick.
     AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
     "$LD" --version > /dev/null
     if test $? -eq 0 ; then
       AC_MSG_RESULT([no])
       AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
     else
       AC_MSG_RESULT([yes])
     fi
     LDCXX="$LD"
   else
     # All other toolchains use the compiler to link.
     LD="$CC"
     LDCXX="$CXX"
   fi
   AC_SUBST(LD)
   # FIXME: it should be CXXLD, according to standard (cf CXXCPP)
   AC_SUBST(LDCXX)
   #
   # Setup the assembler (AS)
   #
   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
     # FIXME: should this really be solaris, or solstudio?
     BASIC_PATH_PROGS(AS, as)
     BASIC_FIXUP_EXECUTABLE(AS)
   else
     # FIXME: is this correct for microsoft?
     AS="$CC -c"
   fi
   AC_SUBST(AS)
   #
   # Setup the archiver (AR)
   #
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     # The corresponding ar tool is lib.exe (used to create static libraries)
     AC_CHECK_PROG([AR], [lib],[lib],,,)
   else
     BASIC_CHECK_TOOLS(AR, ar)
   fi
   BASIC_FIXUP_EXECUTABLE(AR)
 ])
 # Setup additional tools that is considered a part of the toolchain, but not the
 # core part. Many of these are highly platform-specific and do not exist,
 # and/or are not needed on all platforms.
 AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
 [
   if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
     AC_PROG_OBJC
     BASIC_FIXUP_EXECUTABLE(OBJC)
     BASIC_PATH_PROGS(LIPO, lipo)
     BASIC_FIXUP_EXECUTABLE(LIPO)
   else
     OBJC=
   fi
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
     BASIC_FIXUP_EXECUTABLE(MT)
     # Setup the resource compiler (RC)
     AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
     BASIC_FIXUP_EXECUTABLE(RC)
     AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
     BASIC_FIXUP_EXECUTABLE(DUMPBIN)
   fi
   if test "x$OPENJDK_TARGET_OS" = xsolaris; then
     BASIC_PATH_PROGS(STRIP, strip)
     BASIC_FIXUP_EXECUTABLE(STRIP)
     BASIC_PATH_PROGS(NM, nm)
     BASIC_FIXUP_EXECUTABLE(NM)
     BASIC_PATH_PROGS(GNM, gnm)
     BASIC_FIXUP_EXECUTABLE(GNM)
     BASIC_PATH_PROGS(MCS, mcs)
     BASIC_FIXUP_EXECUTABLE(MCS)
   elif test "x$OPENJDK_TARGET_OS" != xwindows; then
     # FIXME: we should unify this with the solaris case above.
     BASIC_CHECK_TOOLS(STRIP, strip)
     BASIC_FIXUP_EXECUTABLE(STRIP)
     AC_PATH_PROG(OTOOL, otool)
     if test "x$OTOOL" = "x"; then
       OTOOL="true"
     fi
     BASIC_CHECK_TOOLS(NM, nm)
     BASIC_FIXUP_EXECUTABLE(NM)
     GNM="$NM"
     AC_SUBST(GNM)
   fi
   # objcopy is used for moving debug symbols to separate files when
   # full debug symbols are enabled.
   if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
     BASIC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
     # Only call fixup if objcopy was found.
     if test -n "$OBJCOPY"; then
       BASIC_FIXUP_EXECUTABLE(OBJCOPY)
     fi
   fi
   BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
   if test "x$OBJDUMP" != x; then
     # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE
     # bails if argument is missing.
     BASIC_FIXUP_EXECUTABLE(OBJDUMP)
   fi
 ])
 # Setup the build tools (i.e, the compiler and linker used to build programs
 # that should be run on the build platform, not the target platform, as a build
 # helper). Since the non-cross-compile case uses the normal, target compilers
 # for this, we can only do this after these have been setup.
 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_BUILD_COMPILERS],
 [
   if test "x$COMPILE_TYPE" = "xcross"; then
     # Now we need to find a C/C++ compiler that can build executables for the
     # build platform. We can't use the AC_PROG_CC macro, since it can only be
     # used once. Also, we need to do this without adding a tools dir to the
     # path, otherwise we might pick up cross-compilers which don't use standard
     # naming.
     # FIXME: we should list the discovered compilers as an exclude pattern!
     # If we do that, we can do this detection before POST_DETECTION, and still
     # find the build compilers in the tools dir, if needed.
     BASIC_PATH_PROGS(BUILD_CC, [cl cc gcc])
     BASIC_FIXUP_EXECUTABLE(BUILD_CC)
     BASIC_PATH_PROGS(BUILD_CXX, [cl CC g++])
     BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
     BASIC_PATH_PROGS(BUILD_LD, ld)
     BASIC_FIXUP_EXECUTABLE(BUILD_LD)
   else
     # If we are not cross compiling, use the normal target compilers for
     # building the build platform executables.
     BUILD_CC="$CC"
     BUILD_CXX="$CXX"
     BUILD_LD="$LD"
   fi
 ])
 # Setup legacy variables that are still needed as alternative ways to refer to
 # parts of the toolchain.
 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_LEGACY],
 [
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     # For hotspot, we need these in Windows mixed path,
     # so rewrite them all. Need added .exe suffix.
     HOTSPOT_CXX="$CXX.exe"
     HOTSPOT_LD="$LD.exe"
     HOTSPOT_MT="$MT.exe"
     HOTSPOT_RC="$RC.exe"
     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
     BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
     AC_SUBST(HOTSPOT_MT)
     AC_SUBST(HOTSPOT_RC)
   else
     HOTSPOT_CXX="$CXX"
     HOTSPOT_LD="$LD"
   fi
   AC_SUBST(HOTSPOT_CXX)
   AC_SUBST(HOTSPOT_LD)
   if test  "x$TOOLCHAIN_TYPE" = xclang; then
     USE_CLANG=true
   fi
   AC_SUBST(USE_CLANG)
   # LDEXE is the linker to use, when creating executables. Not really used.
   # FIXME: These should just be removed!
   LDEXE="$LD"
   LDEXECXX="$LDCXX"
   AC_SUBST(LDEXE)
   AC_SUBST(LDEXECXX)
 ])
 # Do some additional checks on the detected tools.
 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
  [
   # The package path is used only on macosx?
   # FIXME: clean this up, and/or move it elsewhere.
   PACKAGE_PATH=/opt/local
   AC_SUBST(PACKAGE_PATH)
   # Check for extra potential brokenness.
   if test  "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     # On Windows, double-check that we got the right compiler.
     CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
     COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
     if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
       if test "x$COMPILER_CPU_TEST" != "x80x86"; then
         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
       fi
     elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
       if test "x$COMPILER_CPU_TEST" != "xx64"; then
         AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
       fi
     fi
   fi
   if test "x$TOOLCHAIN_TYPE" = xgcc; then
     # If this is a --hash-style=gnu system, use --hash-style=both, why?
     HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
     # This is later checked when setting flags.
   fi
   # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
   # in executable.'
   USING_BROKEN_SUSE_LD=no
   if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
     AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
     echo "SUNWprivate_1.1 { local: *; };" > version-script.map
     echo "int main() { }" > main.c
     if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
       AC_MSG_RESULT(no)
       USING_BROKEN_SUSE_LD=no
     else
       AC_MSG_RESULT(yes)
       USING_BROKEN_SUSE_LD=yes
     fi
     rm -rf version-script.map main.c
   fi
   AC_SUBST(USING_BROKEN_SUSE_LD)
 ])
 # Setup the JTReg Regression Test Harness.
 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
 [
   AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
       [Regression Test Harness @<:@probed@:>@])],
       [],
       [with_jtreg=no])
   if test "x$with_jtreg" = xno; then
     # jtreg disabled
     AC_MSG_CHECKING([for jtreg])
     AC_MSG_RESULT(no)
   else
     if test "x$with_jtreg" != xyes; then
       # with path specified.
       JT_HOME="$with_jtreg"
     fi
     if test "x$JT_HOME" != x; then
       AC_MSG_CHECKING([for jtreg])
       # use JT_HOME enviroment var.
       BASIC_FIXUP_PATH([JT_HOME])
       # jtreg win32 script works for everybody
       JTREGEXE="$JT_HOME/bin/jtreg"
       if test ! -f "$JTREGEXE"; then
         AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
       fi
       AC_MSG_RESULT($JTREGEXE)
     else
       # try to find jtreg on path
       BASIC_REQUIRE_PROGS(JTREGEXE, jtreg)
       JT_HOME="`$DIRNAME $JTREGEXE`"
     fi
   fi
   AC_SUBST(JT_HOME)
   AC_SUBST(JTREGEXE)
 ])

Mercurial > jdk8-mips64-public / annotate

common/autoconf/toolchain.m4@ddf2d8bf87c0 (annotated)

common/autoconf/toolchain.m4