Google Git
Sign in
android / platform / libcore / e7e662c3bb6caed0552bee2b8bb2c5070fe0e2ba / . / common / autoconf / toolchain.m4
blob: 16b0df04b4f4ca6b6a8f6891358b95996cda152e [file] [log] [blame]
#
# Copyright (c) 2011, 2016, 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++"
# Minimum supported versions, empty means unspecified
TOOLCHAIN_MINIMUM_VERSION_clang="3.2"
TOOLCHAIN_MINIMUM_VERSION_gcc="4.3"
TOOLCHAIN_MINIMUM_VERSION_microsoft="16.00.30319.01" # VS2010
TOOLCHAIN_MINIMUM_VERSION_solstudio="5.13"
TOOLCHAIN_MINIMUM_VERSION_xlc=""
# 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_)
# $2 - optional variable prefix for comparable variable (OPENJDK_BUILD_)
AC_DEFUN([TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS],
[
if test "x[$]$1CC_VERSION_NUMBER" != "x[$]$1CXX_VERSION_NUMBER"; then
AC_MSG_WARN([C and C++ compiler have different version numbers, [$]$1CC_VERSION_NUMBER vs [$]$1CXX_VERSION_NUMBER.])
AC_MSG_WARN([This typically indicates a broken setup, and is not supported])
fi
# We only check CC_VERSION_NUMBER since we assume CXX_VERSION_NUMBER is equal.
if [ [[ "[$]$1CC_VERSION_NUMBER" =~ (.*\.){4} ]] ]; then
AC_MSG_WARN([C compiler version number has more than four parts (W.X.Y.Z): [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
fi
if [ [[ "[$]$1CC_VERSION_NUMBER" =~ [0-9]{6} ]] ]; then
AC_MSG_WARN([C compiler version number has a part larger than 99999: [$]$1CC_VERSION_NUMBER. Comparisons might be wrong.])
fi
$2COMPARABLE_ACTUAL_VERSION=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "[$]$1CC_VERSION_NUMBER"`
])
# Check if the configured compiler (C and C++) is of a specific version or
# newer. TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS must have been called before.
#
# Arguments:
# VERSION: The version string to check against the found version
# IF_AT_LEAST: block to run if the compiler is at least this version (>=)
# IF_OLDER_THAN: block to run if the compiler is older than this version (<)
# PREFIX: Optional variable prefix for compiler to compare version for (OPENJDK_BUILD_)
BASIC_DEFUN_NAMED([TOOLCHAIN_CHECK_COMPILER_VERSION],
[*VERSION PREFIX IF_AT_LEAST IF_OLDER_THAN], [$@],
[
# Need to assign to a variable since m4 is blocked from modifying parts in [].
REFERENCE_VERSION=ARG_VERSION
if [ [[ "$REFERENCE_VERSION" =~ (.*\.){4} ]] ]; then
AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only four parts (W.X.Y.Z) is supported])
fi
if [ [[ "$REFERENCE_VERSION" =~ [0-9]{6} ]] ]; then
AC_MSG_ERROR([Internal error: Cannot compare to ARG_VERSION, only parts < 99999 is supported])
fi
# Version comparison method inspired by http://stackoverflow.com/a/24067243
COMPARABLE_REFERENCE_VERSION=`$AWK -F. '{ printf("%05d%05d%05d%05d\n", [$]1, [$]2, [$]3, [$]4) }' <<< "$REFERENCE_VERSION"`
if test [$]ARG_PREFIX[COMPARABLE_ACTUAL_VERSION] -ge $COMPARABLE_REFERENCE_VERSION ; then
:
ARG_IF_AT_LEAST
else
:
ARG_IF_OLDER_THAN
fi
])
# Setup a number of variables describing how native output files are
# named on this platform/toolchain.
AC_DEFUN([TOOLCHAIN_SETUP_FILENAME_PATTERNS],
[
# Define filename patterns
if test "x$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$OPENJDK_TARGET_OS" = xmacosx; then
# For full static builds, we're overloading the SHARED_LIBRARY
# variables in order to limit the amount of changes required.
# It would be better to remove SHARED and just use LIBRARY and
# LIBRARY_SUFFIX for libraries that can be built either
# shared or static and use STATIC_* for libraries that are
# always built statically.
if test "x$STATIC_BUILD" = xtrue; then
SHARED_LIBRARY='lib[$]1.a'
SHARED_LIBRARY_SUFFIX='.a'
else
SHARED_LIBRARY='lib[$]1.dylib'
SHARED_LIBRARY_SUFFIX='.dylib'
fi
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}
if test "x$OPENJDK_TARGET_OS" = xmacosx; then
if test -n "$XCODEBUILD"; then
# On Mac OS X, default toolchain to clang after Xcode 5
XCODE_VERSION_OUTPUT=`"$XCODEBUILD" -version 2>&1 | $HEAD -n 1`
$ECHO "$XCODE_VERSION_OUTPUT" | $GREP "Xcode " > /dev/null
if test $? -ne 0; then
AC_MSG_ERROR([Failed to determine Xcode version.])
fi
XCODE_MAJOR_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | \
$SED -e 's/^Xcode \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/' | \
$CUT -f 1 -d .`
AC_MSG_NOTICE([Xcode major version: $XCODE_MAJOR_VERSION])
if test $XCODE_MAJOR_VERSION -ge 5; then
DEFAULT_TOOLCHAIN="clang"
else
DEFAULT_TOOLCHAIN="gcc"
fi
else
# If Xcode is not installed, but the command line tools are
# then we can't run xcodebuild. On these systems we should
# default to clang
DEFAULT_TOOLCHAIN="clang"
fi
else
# First toolchain type in the list is the default
DEFAULT_TOOLCHAIN=${VALID_TOOLCHAINS%% *}
fi
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=${!toolchain_var_name}
toolchain_var_name=TOOLCHAIN_MINIMUM_VERSION_$TOOLCHAIN_TYPE
TOOLCHAIN_MINIMUM_VERSION=${!toolchain_var_name}
toolchain_var_name=TOOLCHAIN_CC_BINARY_$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 $DEFAULT_TOOLCHAIN.])
fi
])
# Before we start detecting the toolchain executables, we might need some
# special setup, e.g. additional paths etc.
AC_DEFUN_ONCE([TOOLCHAIN_PRE_DETECTION],
[
# FIXME: Is this needed?
AC_LANG(C++)
# Store the CFLAGS etc passed to the configure script.
ORG_CFLAGS="$CFLAGS"
ORG_CXXFLAGS="$CXXFLAGS"
# autoconf magic only relies on PATH, so update it if tools dir is specified
OLD_PATH="$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="$VS_LIB"
else
if test "x$XCODE_VERSION_OUTPUT" != x; then
# For Xcode, we set the Xcode version as TOOLCHAIN_VERSION
TOOLCHAIN_VERSION=`$ECHO $XCODE_VERSION_OUTPUT | $CUT -f 2 -d ' '`
TOOLCHAIN_DESCRIPTION="$TOOLCHAIN_DESCRIPTION from Xcode"
else
# Currently we do not define this for other toolchains. This might change as the need arise.
TOOLCHAIN_VERSION=
fi
fi
AC_SUBST(TOOLCHAIN_VERSION)
# 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:$PATH
fi
])
# Restore path, etc
AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
[
# Restore old path, except for the microsoft toolchain, which requires VS_PATH
# to remain in place. Otherwise the compiler will not work in some siutations
# in later configure checks.
if test "x$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"
])
# 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
# or
# cc: Studio 12.5 Sun C 5.14 SunOS_sparc 2016/05/31
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/^.* \(@<:@1-9@:>@\.@<:@0-9.@:>@*\)@<:@^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/^.* 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, $SEARCH_LIST)
$1=$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([$SYMLINK_ORIGINAL])
# We can't handle ccache by gcc wrappers, since we need to know if we're
# using ccache. Instead ccache usage must be controlled by a configure option.
COMPILER_BASENAME=`$BASENAME "$SYMLINK_ORIGINAL"`
if test "x$COMPILER_BASENAME" = "xccache"; then
AC_MSG_NOTICE([Please use --enable-ccache instead of providing a wrapped compiler.])
AC_MSG_ERROR([$TEST_COMPILER is a symbolic link to ccache. This is not supported.])
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
if test "x$TOOLCHAIN_MINIMUM_VERSION" != x; then
TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: $TOOLCHAIN_MINIMUM_VERSION,
IF_OLDER_THAN: [
AC_MSG_WARN([You are using $TOOLCHAIN_TYPE older than $TOOLCHAIN_MINIMUM_VERSION. This is not a supported configuration.])
]
)
fi
#
# Setup the preprocessor (CPP and CXXCPP)
#
AC_PROG_CPP
BASIC_FIXUP_EXECUTABLE(CPP)
AC_PROG_CXXCPP
BASIC_FIXUP_EXECUTABLE(CXXCPP)
#
# Setup the linker (LD)
#
if test "x$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$OPENJDK_TARGET_OS" = xsolaris; then
BASIC_PATH_PROGS(AS, as)
BASIC_FIXUP_EXECUTABLE(AS)
if test "x$AS" = x; then
AC_MSG_ERROR([Solaris assembler (as) is required. Please install via "pkg install pkg:/developer/assembler".])
fi
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],,,)
elif test "x$TOOLCHAIN_TYPE" = xgcc; then
BASIC_CHECK_TOOLS(AR, ar gcc-ar)
else
BASIC_CHECK_TOOLS(AR, ar)
fi
BASIC_FIXUP_EXECUTABLE(AR)
])
# Setup additional tools that is considered a part of the toolchain, but not the
# core part. Many of these are highly platform-specific and do not exist,
# and/or are not needed on all platforms.
AC_DEFUN_ONCE([TOOLCHAIN_DETECT_TOOLCHAIN_EXTRA],
[
if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
BASIC_PATH_PROGS(LIPO, lipo)
BASIC_FIXUP_EXECUTABLE(LIPO)
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)
elif test "x$OPENJDK_TARGET_OS" != xwindows; then
# FIXME: we should unify this with the solaris case above.
BASIC_CHECK_TOOLS(STRIP, strip)
BASIC_FIXUP_EXECUTABLE(STRIP)
if test "x$TOOLCHAIN_TYPE" = xgcc; then
BASIC_CHECK_TOOLS(NM, nm gcc-nm)
else
BASIC_CHECK_TOOLS(NM, nm)
fi
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)
if test "x$OPENJDK_BUILD_OS" = xsolaris; then
# objcopy prior to 2.21.1 on solaris is broken and is not usable.
# Rewrite objcopy version output to VALID_VERSION or BAD_VERSION.
# - version number is last blank separate word on first line
# - version number formats that have been seen:
# - <major>.<minor>
# - <major>.<minor>.<micro>
OBJCOPY_VERSION=`$OBJCOPY --version | $HEAD -n 1`
# The outer [ ] is to prevent m4 from eating the [] in the sed expression.
[ OBJCOPY_VERSION_CHECK=`$ECHO $OBJCOPY_VERSION | $SED -n \
-e 's/.* //' \
-e '/^[01]\./b bad' \
-e '/^2\./{' \
-e ' s/^2\.//' \
-e ' /^[0-9]$/b bad' \
-e ' /^[0-9]\./b bad' \
-e ' /^1[0-9]$/b bad' \
-e ' /^1[0-9]\./b bad' \
-e ' /^20\./b bad' \
-e ' /^21\.0$/b bad' \
-e ' /^21\.0\./b bad' \
-e '}' \
-e ':good' \
-e 's/.*/VALID_VERSION/p' \
-e 'q' \
-e ':bad' \
-e 's/.*/BAD_VERSION/p' \
-e 'q'` ]
if test "x$OBJCOPY_VERSION_CHECK" = xBAD_VERSION; then
OBJCOPY=
AC_MSG_WARN([Ignoring found objcopy since it is broken (prior to 2.21.1). No debug symbols will be generated.])
AC_MSG_NOTICE([objcopy reports version $OBJCOPY_VERSION])
AC_MSG_NOTICE([Note: patch 149063-01 or newer contains the correct Solaris 10 SPARC version])
AC_MSG_NOTICE([Note: patch 149064-01 or newer contains the correct Solaris 10 X86 version])
AC_MSG_NOTICE([Note: Solaris 11 Update 1 contains the correct version])
fi
fi
fi
fi
BASIC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
if test "x$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$COMPILE_TYPE" = "xcross"; then
# Now we need to find a C/C++ compiler that can build executables for the
# build platform. We can't use the AC_PROG_CC macro, since it can only be
# used once. Also, we need to do this without adding a tools dir to the
# path, otherwise we might pick up cross-compilers which don't use standard
# naming.
OLDPATH="$PATH"
AC_ARG_WITH(build-devkit, [AS_HELP_STRING([--with-build-devkit],
[Devkit to use for the build platform toolchain])])
if test "x$with_build_devkit" = "xyes"; then
AC_MSG_ERROR([--with-build-devkit must have a value])
elif test -n "$with_build_devkit"; then
if test ! -d "$with_build_devkit"; then
AC_MSG_ERROR([--with-build-devkit points to non existing dir: $with_build_devkit])
else
BASIC_FIXUP_PATH([with_build_devkit])
BUILD_DEVKIT_ROOT="$with_build_devkit"
# Check for a meta data info file in the root of the devkit
if test -f "$BUILD_DEVKIT_ROOT/devkit.info"; then
# Process devkit.info so that existing devkit variables are not
# modified by this
$SED -e "s/^DEVKIT_/BUILD_DEVKIT_/g" \
-e "s/\$DEVKIT_ROOT/\$BUILD_DEVKIT_ROOT/g" \
-e "s/\$host/\$build/g" \
$BUILD_DEVKIT_ROOT/devkit.info \
> $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
. $CONFIGURESUPPORT_OUTPUTDIR/build-devkit.info
# This potentially sets the following:
# A descriptive name of the devkit
BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_NAME])
# Corresponds to --with-extra-path
BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_EXTRA_PATH])
# Corresponds to --with-toolchain-path
BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_TOOLCHAIN_PATH])
# Corresponds to --with-sysroot
BASIC_EVAL_DEVKIT_VARIABLE([BUILD_DEVKIT_SYSROOT])
# Skip the Window specific parts
fi
AC_MSG_CHECKING([for build platform devkit])
if test "x$BUILD_DEVKIT_NAME" != x; then
AC_MSG_RESULT([$BUILD_DEVKIT_NAME in $BUILD_DEVKIT_ROOT])
else
AC_MSG_RESULT([$BUILD_DEVKIT_ROOT])
fi
BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
# Fallback default of just /bin if DEVKIT_PATH is not defined
if test "x$BUILD_DEVKIT_TOOLCHAIN_PATH" = x; then
BUILD_DEVKIT_TOOLCHAIN_PATH="$BUILD_DEVKIT_ROOT/bin"
fi
PATH="$BUILD_DEVKIT_TOOLCHAIN_PATH:$BUILD_DEVKIT_EXTRA_PATH"
fi
fi
# FIXME: we should list the discovered compilers as an exclude pattern!
# If we do that, we can do this detection before POST_DETECTION, and still
# find the build compilers in the tools dir, if needed.
BASIC_REQUIRE_PROGS(BUILD_CC, [cl cc gcc])
BASIC_FIXUP_EXECUTABLE(BUILD_CC)
BASIC_REQUIRE_PROGS(BUILD_CXX, [cl CC g++])
BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
BASIC_PATH_PROGS(BUILD_NM, nm gcc-nm)
BASIC_FIXUP_EXECUTABLE(BUILD_NM)
BASIC_PATH_PROGS(BUILD_AR, ar gcc-ar)
BASIC_FIXUP_EXECUTABLE(BUILD_AR)
BASIC_PATH_PROGS(BUILD_OBJCOPY, objcopy)
BASIC_FIXUP_EXECUTABLE(BUILD_OBJCOPY)
BASIC_PATH_PROGS(BUILD_STRIP, strip)
BASIC_FIXUP_EXECUTABLE(BUILD_STRIP)
# Assume the C compiler is the assembler
BUILD_AS="$BUILD_CC -c"
# Just like for the target compiler, use the compiler as linker
BUILD_LD="$BUILD_CC"
BUILD_LDCXX="$BUILD_CXX"
PATH="$OLDPATH"
TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CC, [BuildC])
TOOLCHAIN_EXTRACT_COMPILER_VERSION(BUILD_CXX, [BuildC++])
TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([BUILD_], [OPENJDK_BUILD_])
else
# If we are not cross compiling, use the normal target compilers for
# building the build platform executables.
BUILD_CC="$CC"
BUILD_CXX="$CXX"
BUILD_LD="$LD"
BUILD_LDCXX="$LDCXX"
BUILD_NM="$NM"
BUILD_AS="$AS"
BUILD_OBJCOPY="$OBJCOPY"
BUILD_STRIP="$STRIP"
BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
BUILD_AR="$AR"
TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([], [OPENJDK_BUILD_])
fi
AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CXX)
AC_SUBST(BUILD_LD)
AC_SUBST(BUILD_LDCXX)
AC_SUBST(BUILD_NM)
AC_SUBST(BUILD_AS)
AC_SUBST(BUILD_SYSROOT_CFLAGS)
AC_SUBST(BUILD_SYSROOT_LDFLAGS)
AC_SUBST(BUILD_AR)
])
# 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 | $GREP 'hash-style=gnu'`
# This is later checked when setting flags.
# "-Og" suppported for GCC 4.8 and later
CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CFLAG_OPTIMIZE_DEBUG_FLAG],
IF_TRUE: [HAS_CFLAG_OPTIMIZE_DEBUG=true],
IF_FALSE: [HAS_CFLAG_OPTIMIZE_DEBUG=false])
# "-z relro" supported in GNU binutils 2.17 and later
LINKER_RELRO_FLAG="-Wl,-z,relro"
FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_RELRO_FLAG],
IF_TRUE: [HAS_LINKER_RELRO=true],
IF_FALSE: [HAS_LINKER_RELRO=false])
# "-z now" supported in GNU binutils 2.11 and later
LINKER_NOW_FLAG="-Wl,-z,now"
FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_NOW_FLAG],
IF_TRUE: [HAS_LINKER_NOW=true],
IF_FALSE: [HAS_LINKER_NOW=false])
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 -Wl,-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
$RM version-script.map main.c a.out
fi
AC_SUBST(USING_BROKEN_SUSE_LD)
# Setup hotspot lecagy names for toolchains
HOTSPOT_TOOLCHAIN_TYPE=$TOOLCHAIN_TYPE
if test "x$TOOLCHAIN_TYPE" = xclang; then
HOTSPOT_TOOLCHAIN_TYPE=gcc
elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
HOTSPOT_TOOLCHAIN_TYPE=sparcWorks
elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
HOTSPOT_TOOLCHAIN_TYPE=visCPP
fi
AC_SUBST(HOTSPOT_TOOLCHAIN_TYPE)
])
# Setup the JTReg Regression Test Harness.
AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
[
AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
[Regression Test Harness @<:@probed@:>@])],
[],
[with_jtreg=no])
if test "x$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)
])