blob: df02d8e157a2a08beda50e51ba3364d858cf99a5 [file] [log] [blame]
#
# 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_NUMBER" != "x$CXX_VERSION_NUMBER"; then
AC_MSG_WARN([C and C++ compiler has different version numbers, $CC_VERSION_NUMBER vs $CXX_VERSION_NUMBER.])
AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
fi
# We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
if [ [[ "$CC_VERSION_NUMBER" =~ (.*\.){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_NUMBER" =~ [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_NUMBER"`
])
# 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"
# autoconf magic only relies on PATH, so update it if tools dir is specified
OLD_PATH="$PATH"
# On Windows, we need to detect the visual studio installation first.
# This will change the PATH, but we need to keep that new PATH even
# after toolchain detection is done, since the compiler (on x86) uses
# it for DLL resolution in runtime.
if test "x$OPENJDK_BUILD_OS" = "xwindows" \
&& test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
# Reset path to VS_PATH. It will include everything that was on PATH at the time we
# ran TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV.
PATH="$VS_PATH"
# The microsoft toolchain also requires INCLUDE and LIB to be set.
export INCLUDE="$VS_INCLUDE"
export LIB="$VS_LIB"
fi
# 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]]}" -ge 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 TOOLCHAIN_PATH at the beginning, to allow --with-tools-dir to
# override all other locations.
if test "x$TOOLCHAIN_PATH" != x; then
PATH=$TOOLCHAIN_PATH:$PATH
fi
])
# Restore path, etc
AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
[
# Restore old path, except for the microsoft toolchain, which requires VS_PATH
# to remain in place. Otherwise the compiler will not work in some situations
# in later configure checks.
if test "x$TOOLCHAIN_TYPE" != "xmicrosoft"; then
PATH="$OLD_PATH"
fi
# Restore the flags to the user specified values.
# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
CFLAGS="$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 "Apple LLVM version\|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.
$1=
# If TOOLCHAIN_PATH is set, check for all compiler names in there first
# before checking the rest of the PATH.
# FIXME: Now that we prefix the TOOLS_DIR to the PATH in the PRE_DETECTION
# step, this should not be necessary.
if test -n "$TOOLCHAIN_PATH"; then
PATH_save="$PATH"
PATH="$TOOLCHAIN_PATH"
AC_PATH_PROGS(TOOLCHAIN_PATH_$1, $SEARCH_LIST)
$1=$TOOLCHAIN_PATH_$1
PATH="$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"
AC_MSG_CHECKING([resolved symbolic links for $1])
SYMLINK_ORIGINAL="$TEST_COMPILER"
BASIC_REMOVE_SYMBOLIC_LINKS(SYMLINK_ORIGINAL)
if test "x$TEST_COMPILER" = "x$SYMLINK_ORIGINAL"; then
AC_MSG_RESULT([no symlink])
else
AC_MSG_RESULT([$SYMLINK_ORIGINAL])
AC_MSG_CHECKING([if $1 is disguised ccache])
COMPILER_BASENAME=`$BASENAME "$SYMLINK_ORIGINAL"`
if test "x$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])
fi
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$TOOLCHAIN_TYPE" = xmicrosoft; then
AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
BASIC_FIXUP_EXECUTABLE(MT)
# Setup the resource compiler (RC)
AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
BASIC_FIXUP_EXECUTABLE(RC)
AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
BASIC_FIXUP_EXECUTABLE(DUMPBIN)
# We need to check for 'msbuild.exe' because at the place where we expect to
# find 'msbuild.exe' there's also a directory called 'msbuild' and configure
# won't find the 'msbuild.exe' executable in that case (and the
# 'ac_executable_extensions' is unusable due to performance reasons).
# Notice that we intentionally don't fix up the path to MSBUILD because we
# will call it in a DOS shell during freetype detection on Windows (see
# 'LIB_SETUP_FREETYPE' in "libraries.m4"
AC_CHECK_PROG([MSBUILD], [msbuild.exe], [msbuild.exe],,,)
fi
if test "x$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$COMPILER_CPU_TEST" != "x80x86" -a "x$COMPILER_CPU_TEST" != "xx86"; then
AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86" or "x86".])
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)
])