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configure
executable file
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configure
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#!/bin/sh
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
# Configuration script
# Copyright (C) 1988, 90, 91, 92, 93, 94, 95, 96, 1997
# Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# This file was originally written by K. Richard Pixley.
#
# Shell script to create proper links to machine-dependent files in
# preparation for compilation.
#
# If configure succeeds, it leaves its status in config.status.
# If configure fails after disturbing the status quo,
# config.status is removed.
#
export PATH || (echo "OOPS, this isn't sh. Desperation time. I will feed myself to sh."; sh $0 $argv; kill $$)
remove=rm
hard_link=ln
symbolic_link='ln -s'
#for Test
#remove="echo rm"
#hard_link="echo ln"
#symbolic_link="echo ln -s"
# clear some things potentially inherited from environment.
Makefile=Makefile
Makefile_in=Makefile.in
arguments=
build_alias=
cache_file=config.cache
cache_file_option=
configdirs=
exec_prefix=
exec_prefixoption=
fatal=
floating_point=default
gas=default
gcc_version=
gcc_version_trigger=
host_alias=NOHOST
host_makefile_frag=
moveifchange=
norecursion=
other_options=
package_makefile_frag=
package_makefile_rules_frag=
prefix=/usr/local
progname=
program_prefix=
program_prefixoption=
program_suffix=
program_suffixoption=
program_transform_name=
program_transform_nameoption=
redirect=">/dev/null"
removing=
site=
site_makefile_frag=
site_option=
srcdir=
srctrigger=
subdirs=
target_alias=NOTARGET
target_makefile_frag=
undefs=NOUNDEFS
version="$Revision: 1.22 $"
x11=default
### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell. This will permit people
### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
### without also having to set CONFIG_SHELL. This code will work when
### using bash, which sets OSTYPE.
case "${OSTYPE}" in
*win32*)
if [ x${CONFIG_SHELL} = x ]; then
if [ ! -f /bin/sh ]; then
if [ x${SHELL} != x ] && [ -f ${SHELL} ]; then
CONFIG_SHELL=${SHELL}
export CONFIG_SHELL
else
for prog in sh sh.exe bash bash.exe; do
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$prog; then
CONFIG_SHELL=$dir/$prog
export CONFIG_SHELL
break
fi
done
IFS="$save_ifs"
test -n "${CONFIG_SHELL}" && break
done
fi
fi
fi
;;
esac
config_shell=${CONFIG_SHELL-/bin/sh}
NO_EDIT="This file was generated automatically by configure. Do not edit."
## this is a little touchy and won't always work, but...
##
## if the argv[0] starts with a slash then it is an absolute name that can (and
## must) be used as is.
##
## otherwise, if argv[0] has no slash in it, we can assume that it is on the
## path. Since PATH might include "." we also add `pwd` to the end of PATH.
##
progname=$0
# if PWD already has a value, it is probably wrong.
if [ -n "$PWD" ]; then PWD=`pwd`; fi
case "${progname}" in
/*) ;;
*/*) ;;
*)
PATH=$PATH:${PWD=`pwd`} ; export PATH
;;
esac
# Loop over all args
while :
do
# Break out if there are no more args
case $# in
0)
break
;;
esac
# Get the first arg, and shuffle
option=$1
shift
# Make all options have two hyphens
orig_option=$option # Save original for error messages
case $option in
--*) ;;
-*) option=-$option ;;
esac
# Split out the argument for options that take them
case $option in
--*=*)
optarg=`echo $option | sed -e 's/^[^=]*=//'`
arguments="$arguments $option"
;;
# These options have mandatory values. Since we didn't find an = sign,
# the value must be in the next argument
--bu* | --cache* | --ex* | --ho* | --pre* | --program-p* | --program-s* | --program-t* | --si* | --sr* | --ta* | --tm* | --x-* | --bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
optarg=$1
shift
arguments="$arguments $option=$optarg"
;;
--v)
arguments="$arguments -v"
;;
--*)
arguments="$arguments $option"
;;
esac
# Now, process the options
case $option in
--build* | --bu*)
case "$build_alias" in
"") build_alias=$optarg ;;
*) echo '***' Can only configure for one build machine at a time. 1>&2
fatal=yes
;;
esac
;;
--cache*)
cache_file=$optarg
;;
--disable-*)
enableopt=`echo ${option} | sed 's:^--disable-:enable_:;s:-:_:g'`
eval $enableopt=no
disableoptions="$disableoptions $option"
;;
--enable-*)
case "$option" in
*=*) ;;
*) optarg=yes ;;
esac
enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
eval "$enableopt='$optarg'"
enableoptions="$enableoptions '$option'"
;;
--exec-prefix* | --ex*)
exec_prefix=$optarg
exec_prefixoption="--exec-prefix=$optarg"
;;
--gas | --g*)
gas=yes
;;
--help | --he*)
fatal=yes
;;
--host* | --ho*)
case $host_alias in
NOHOST) host_alias=$optarg ;;
*) echo '***' Can only configure for one host at a time. 1>&2
fatal=yes
;;
esac
;;
--nfp | --nf*)
floating_point=no
floating_pointoption="--nfp"
;;
--norecursion | --no*)
norecursion=yes
;;
--prefix* | --pre*)
prefix=$optarg
prefixoption="--prefix=$optarg"
;;
--program-prefix* | --program-p*)
program_prefix=$optarg
program_prefixoption="--program-prefix=$optarg"
;;
--program-suffix* | --program-s*)
program_suffix=$optarg
program_suffixoption="--program-suffix=$optarg"
;;
--program-transform-name* | --program-t*)
# Double any backslashes or dollar signs in the argument
program_transform_name="${program_transform_name} -e `echo ${optarg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
program_transform_nameoption="${program_transform_nameoption} --program-transform-name='$optarg'"
;;
--rm)
removing=--rm
;;
--silent | --sil* | --quiet | --q*)
redirect=">/dev/null"
verbose=--silent
;;
--site* | --sit*)
site=$optarg
site_option="--site=$optarg"
;;
--srcdir*/ | --sr*/)
# Remove trailing slashes. Otherwise, when the file name gets
# bolted into an object file as debug info, it has two slashes
# in it. Ordinarily this is ok, but emacs takes double slash
# to mean "forget the first part".
srcdir=`echo $optarg | sed -e 's:/$::'`
;;
--srcdir* | --sr*)
srcdir=$optarg
;;
--target* | --ta*)
case $target_alias in
NOTARGET) target_alias=$optarg ;;
*) echo '***' Can only configure for one target at a time. 1>&2
fatal=yes
;;
esac
;;
--tmpdir* | --tm*)
TMPDIR=$optarg
tmpdiroption="--tmpdir=$optarg"
;;
--verbose | --v | --verb*)
redirect=
verbose=--verbose
;;
--version | --V | --vers*)
echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
exit 0
;;
--with-*)
case "$option" in
*=*) ;;
*) optarg=yes ;;
esac
withopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
eval $withopt="$optarg"
withoptions="$withoptions $option"
;;
--without-*)
withopt=`echo ${option} | sed 's:^--::;s:out::;s:-:_:g'`
eval $withopt=no
withoutoptions="$withoutoptions $option"
;;
--x) with_x=yes
withoptions="$withoptions --with-x"
;;
--x-i* | --x-l*) other_options="$other_options $orig_option"
;;
--bi* | --sb* | --li* | --da* | --sy* | --sh* | --lo* | --in* | --ol* | --ma*)
# These options were added to autoconf for emacs.
;;
--*)
echo "configure: Unrecognized option: \"$orig_option\"; use --help for usage." >&2
exit 1
;;
*)
case $undefs in
NOUNDEFS) undefs=$option ;;
*) echo '***' Can only configure for one host and one target at a time. 1>&2
fatal=yes
;;
esac
;;
esac
done
# process host and target
# Do some error checking and defaulting for the host and target type.
# The inputs are:
# configure --host=HOST --target=TARGET UNDEFS
#
# The rules are:
# 1. You aren't allowed to specify --host, --target, and undefs at the
# same time.
# 2. Host defaults to undefs.
# 3. If undefs is not specified, then host defaults to the current host,
# as determined by config.guess.
# 4. Target defaults to undefs.
# 5. If undefs is not specified, then target defaults to host.
case "${fatal}" in
"")
# Make sure that host, target & undefs aren't all specified at the
# same time.
case $host_alias---$target_alias---$undefs in
NOHOST---*---* | *---NOTARGET---* | *---*---NOUNDEFS)
;;
*) echo '***' Can only configure for one host and one target at a time. 1>&2
fatal=yes
break 2
;;
esac
# Now, do defaulting for host.
case $host_alias in
NOHOST)
case $undefs in
NOUNDEFS)
# Neither --host option nor undefs were present.
# Call config.guess.
guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
if host_alias=`${config_shell} ${guesssys}`
then
# If the string we are going to use for
# the target is a prefix of the string
# we just guessed for the host, then
# assume we are running native, and force
# the same string for both target and host.
case $target_alias in
NOTARGET) ;;
*)
if expr $host_alias : $target_alias >/dev/null
then
host_alias=$target_alias
fi
;;
esac
echo "Configuring for a ${host_alias} host." 1>&2
arguments="--host=$host_alias $arguments"
else
echo 'Config.guess failed to determine the host type. You need to specify one.' 1>&2
fatal=yes
fi
;;
*)
host_alias=$undefs
arguments="--host=$host_alias $arguments"
undefs=NOUNDEFS
;;
esac
esac
# Do defaulting for target. If --target option isn't present, default
# to undefs. If undefs isn't present, default to host.
case $target_alias in
NOTARGET)
case $undefs in
NOUNDEFS)
target_alias=$host_alias
;;
*)
target_alias=$undefs
arguments="--target=$target_alias $arguments"
;;
esac
esac
;;
*) ;;
esac
if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
exec 1>&2
echo Usage: configure [OPTIONS] [HOST]
echo
echo Options: [defaults in brackets]
echo ' --prefix=MYDIR install into MYDIR [/usr/local]'
echo ' --exec-prefix=MYDIR install host-dependent files into MYDIR [/usr/local]'
echo ' --help print this message [normal config]'
echo ' --build=BUILD configure for building on BUILD [BUILD=HOST]'
echo ' --host=HOST configure for HOST [determined via config.guess]'
echo ' --norecursion configure this directory only [recurse]'
echo ' --program-prefix=FOO prepend FOO to installed program names [""]'
echo ' --program-suffix=FOO append FOO to installed program names [""]'
echo ' --program-transform-name=P transform installed names by sed pattern P [""]'
echo ' --site=SITE configure with site-specific makefile for SITE'
echo ' --srcdir=DIR find the sources in DIR [. or ..]'
echo ' --target=TARGET configure for TARGET [TARGET=HOST]'
echo ' --tmpdir=TMPDIR create temporary files in TMPDIR [/tmp]'
echo ' --nfp configure for software floating point [hard float]'
echo ' --with-FOO, --with-FOO=BAR package FOO is available (parameter BAR)'
echo ' --without-FOO package FOO is NOT available'
echo ' --enable-FOO, --enable-FOO=BAR include feature FOO (parameter BAR)'
echo ' --disable-FOO do not include feature FOO'
echo
echo 'Where HOST and TARGET are something like "sparc-sunos", "mips-sgi-irix5", etc.'
echo
if [ -r config.status ] ; then
cat config.status
fi
exit 1
fi
configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
topsrcdir=`cd \`dirname ${progname}\`; pwd`
# this is a hack. sun4 must always be a valid host alias or this will fail.
if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
true
else
echo '***' cannot find config.sub. 1>&2
exit 1
fi
touch config.junk
if ${config_shell} ${moveifchange} config.junk config.trash ; then
true
else
echo '***' cannot find move-if-change. 1>&2
exit 1
fi
rm -f config.junk config.trash
case "${srcdir}" in
"")
if [ -r configure.in ] ; then
srcdir=.
else
if [ -r ${progname}.in ] ; then
srcdir=`echo ${progname} | sed 's:/configure$::'`
else
echo '***' "Can't find configure.in. Try using --srcdir=some_dir" 1>&2
exit 1
fi
fi
;;
*)
# Set srcdir to "." if that's what it is.
# This is important for multilib support.
if [ ! -d ${srcdir} ] ; then
echo "Invalid source directory ${srcdir}" >&2
exit 1
fi
pwd=`pwd`
srcpwd=`cd ${srcdir} ; pwd`
if [ "${pwd}" = "${srcpwd}" ] ; then
srcdir=.
fi
esac
### warn about some conflicting configurations.
case "${srcdir}" in
".") ;;
*)
if [ -f ${srcdir}/config.status ] ; then
echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
exit 1
fi
esac
# default exec_prefix
case "${exec_prefixoption}" in
"") exec_prefix="\$(prefix)" ;;
*) ;;
esac
# Define the trigger file to make sure configure will re-run whenever
# the gcc version number changes.
if [ "${with_gcc_version_trigger+set}" = set ]; then
gcc_version_trigger="$with_gcc_version_trigger"
gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${with_gcc_version_trigger}`
else
# If gcc's sources are available, define the trigger file.
if [ -f ${topsrcdir}/gcc/version.c ] ; then
gcc_version_trigger=${topsrcdir}/gcc/version.c
gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${gcc_version_trigger}`
case "$arguments" in
*--with-gcc-version-trigger=$gcc_version_trigger* )
;;
* )
# Make sure configure.in knows about this.
arguments="--with-gcc-version-trigger=$gcc_version_trigger $arguments"
;;
esac
withoptions="--with-gcc-version-trigger=$gcc_version_trigger $withoptions"
fi
fi
### break up ${srcdir}/configure.in.
case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
"")
echo '***' ${srcdir}/configure.in has no \"per-host:\" line. 1>&2
# Check for a directory that's been converted to use autoconf since
# it was last configured.
if grep AC_OUTPUT ${srcdir}/configure.in >/dev/null ; then
echo '***' Hmm, looks like this directory has been autoconfiscated. 1>&2
if [ -r ${srcdir}/configure ] ; then
echo '***' Running the local configure script. 1>&2
case "${cache_file}" in
"") cache_file_option= ;;
*) cache_file_option="--cache-file=${cache_file}" ;;
esac
srcdiroption="--srcdir=${srcdir}"
case "${build_alias}" in
"") buildopt= ;;
*) buildopt="--build=${build_alias}" ;;
esac
eval exec ${config_shell} ${srcdir}/configure ${verbose} \
${buildopt} --host=${host_alias} --target=${target_alias} \
${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
${srcdiroption} \
${program_prefixoption} ${program_suffixoption} \
${program_transform_nameoption} ${site_option} \
${withoptions} ${withoutoptions} \
${enableoptions} ${disableoptions} ${floating_pointoption} \
${cache_file_option} ${removing} ${other_options} ${redirect}
else
echo '***' There is no configure script present though. 1>&2
fi
fi
exit 1
;;
*) ;;
esac
case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
"")
echo '***' ${srcdir}/configure.in has no \"per-target:\" line. 1>&2
exit 1
;;
*) ;;
esac
case "${TMPDIR}" in
"") TMPDIR=/tmp ; export TMPDIR ;;
*) ;;
esac
# keep this filename short for &%*%$*# 14 char file names
tmpfile=${TMPDIR}/cONf$$
# Note that under many versions of sh a trap handler for 0 will *override* any
# exit status you explicitly specify! At this point, the only non-error exit
# is at the end of the script; these actions are duplicated there, minus
# the "exit 1". Don't use "exit 0" anywhere after this without resetting the
# trap handler, or you'll lose.
trap "rm -f Makefile.tem ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos; exit 1" 0 1 2 15
# split ${srcdir}/configure.in into common, per-host, per-target,
# and post-target parts. Post-target is optional.
sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
else
sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
echo >${tmpfile}.pos
fi
### do common part of configure.in
. ${tmpfile}.com
# some sanity checks on configure.in
case "${srctrigger}" in
"")
echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in. 1>&2
exit 1
;;
*) ;;
esac
case "${build_alias}" in
"")
if result=`${config_shell} ${configsub} ${host_alias}` ; then
build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
build=${build_cpu}-${build_vendor}-${build_os}
build_alias=${host_alias}
fi
;;
*)
if result=`${config_shell} ${configsub} ${build_alias}` ; then
buildopt="--build=${build_alias}"
build_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
build_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
build_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
build=${build_cpu}-${build_vendor}-${build_os}
else
echo "Unrecognized build system name ${build_alias}." 1>&2
exit 1
fi
;;
esac
if result=`${config_shell} ${configsub} ${host_alias}` ; then
true
else
echo "Unrecognized host system name ${host_alias}." 1>&2
exit 1
fi
host_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
host_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
host_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
host=${host_cpu}-${host_vendor}-${host_os}
. ${tmpfile}.hst
if result=`${config_shell} ${configsub} ${target_alias}` ; then
true
else
echo "Unrecognized target system name ${target_alias}." 1>&2
exit 1
fi
target_cpu=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
target_vendor=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
target_os=`echo $result | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
target=${target_cpu}-${target_vendor}-${target_os}
. ${tmpfile}.tgt
# Find the source files, if location was not specified.
case "${srcdir}" in
"")
srcdirdefaulted=1
srcdir=.
if [ ! -r ${srctrigger} ] ; then
srcdir=..
fi
;;
*) ;;
esac
if [ ! -r ${srcdir}/${srctrigger} ] ; then
case "${srcdirdefaulted}" in
"") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
*) echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
esac
echo '***' \(At least ${srctrigger} is missing.\) 1>&2
exit 1
fi
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='$(exec_prefix)'/${target_alias}
if [ "${host_alias}" != "${target_alias}" ] ; then
if [ "${program_prefixoption}" = "" ] ; then
if [ "${program_suffixoption}" = "" ] ; then
if [ "${program_transform_nameoption}" = "" ] ; then
program_prefix=${target_alias}- ;
fi
fi
fi
fi
# Merge program_prefix and program_suffix onto program_transform_name.
# (program_suffix used to use $, but it's hard to preserve $ through both
# make and sh.)
if [ "${program_suffix}" != "" ] ; then
program_transform_name="-e s,\\\\(.*\\\\),\\\\1${program_suffix}, ${program_transform_name}"
fi
if [ "${program_prefix}" != "" ] ; then
program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
fi
# If CC and CXX are not set in the environment, and the Makefile
# exists, try to extract them from it. This is to handle running
# ./config.status by hand.
if [ -z "${CC}" -a -r Makefile ]; then
sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CC[ ]*=/ s/CC[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
CC=`tail -1 Makefile.cc`
rm -f Makefile.cc
fi
if [ -z "${CFLAGS}" -a -r Makefile ]; then
sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CFLAGS[ ]*=/ s/CFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
CFLAGS=`tail -1 Makefile.cc`
rm -f Makefile.cc
fi
if [ -z "${CXX}" -a -r Makefile ]; then
sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CXX[ ]*=/ s/CXX[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
CXX=`tail -1 Makefile.cc`
rm -f Makefile.cc
fi
if [ -z "${CXXFLAGS}" -a -r Makefile ]; then
sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CXXFLAGS[ ]*=/ s/CXXFLAGS[ ]*=[ ]*\(.*\)/\1/p' < Makefile > Makefile.cc
CXXFLAGS=`tail -1 Makefile.cc`
rm -f Makefile.cc
fi
# Generate a default definition for YACC. This is used if the makefile can't
# locate bison or byacc in objdir.
for prog in 'bison -y' byacc yacc
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_YACC="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_YACC" && break
done
# Generate a default definition for M4. This is used if the makefile can't
# locate m4 in objdir.
for prog in gm4 gnum4 m4
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_M4="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_M4" && break
done
# Generate a default definition for LEX. This is used if the makefile can't
# locate flex in objdir.
for prog in flex lex
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_LEX="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_LEX" && break
done
if [ "${build}" != "${host}" ]; then
# If we are doing a Canadian Cross, in which the host and build systems
# are not the same, we set reasonable default values for the tools.
tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
for var in ${tools}; do
if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^'"${var}"'[ ]*=/ s/'"${var}"'[ ]*=[ ]*\(.*\)/\1/p' \
< Makefile > Makefile.v
t=`tail -1 Makefile.v`
if [ -n "${t}" ]; then
eval "${var}='${t}'"
fi
rm -f Makefile.v
fi
done
AR=${AR-${host_alias}-ar}
AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
AS=${AS-${host_alias}-as}
AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
BISON=${BISON-bison}
CC=${CC-${host_alias}-gcc}
CFLAGS=${CFLAGS-"-g -O2"}
CXX=${CXX-${host_alias}-c++}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
HOST_PREFIX=${build_alias}-
HOST_PREFIX_1=${build_alias}-
LD=${LD-${host_alias}-ld}
LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
MAKEINFO=${MAKEINFO-makeinfo}
NM=${NM-${host_alias}-nm}
NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
RANLIB=${RANLIB-${host_alias}-ranlib}
RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
WINDRES=${WINDRES-${host_alias}-windres}
WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
if [ -z "${YACC}" ]; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/bison; then
YACC="bison -y"
break
fi
if test -f $dir/byacc; then
YACC=byacc
break
fi
if test -f $dir/yacc; then
YACC=yacc
break
fi
done
IFS="$save_ifs"
if [ -z "${YACC}" ]; then
YACC="bison -y"
fi
fi
if [ -z "${LEX}" ]; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/flex; then
LEX=flex
break
fi
if test -f $dir/lex; then
LEX=lex
break
fi
done
IFS="$save_ifs"
LEX=${LEX-flex}
fi
# Export variables which autoconf might try to set.
export AS
export AR
export CC_FOR_BUILD
export DLLTOOL
export LD
export NM
export RANLIB
export WINDRES
else
# If CC is still not set, try to get gcc.
if [ -z "${CC}" ]; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
CC="gcc"
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
break
fi
done
IFS="$save_ifs"
CC=${CC-cc}
fi
CXX=${CXX-"c++"}
CFLAGS=${CFLAGS-"-g"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi
export CC
export CXX
export CFLAGS
export CXXFLAGS
# FIXME: This should be in configure.in, not configure
case "$host" in
*go32*)
enable_gdbtk=no ;;
*msdosdjgpp*)
enable_gdbtk=no ;;
*cygwin32*)
enable_gdbtk=no ;;
esac
# FIXME: This should be in configure.in, not configure
# Determine whether gdb needs tk/tcl or not.
if [ "$enable_gdbtk" != "no" ]; then
GDB_TK="all-tcl all-tk all-itcl all-tix"
else
GDB_TK=""
fi
for subdir in . ${subdirs} ; do
# ${subdir} is relative path from . to the directory we're currently
# configuring.
# ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
### figure out what to do with srcdir
case "${srcdir}" in
".") # no -srcdir option. We're building in place.
makesrcdir=. ;;
/*) # absolute path
makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
;;
*) # otherwise relative
case "${subdir}" in
.) makesrcdir=${srcdir} ;;
*) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;