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freebsd/contrib/diff/configure
Andrey A. Chernov f5e00e241f Initial import
1997-10-29 16:14:35 +00:00

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#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 1.120
# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
#
# This configure script 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, or (at your option)
# any later version.
#
# This script 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 script; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# The redistribution and modification terms for this script do not affect
# the terms for software that it configures.
ac_help=
# Omit some internal or obsolete options to make the list less imposing.
ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
Configuration:
--cache-file=FILE cache test results in FILE
--help print this message
--no-create do not create output files
--quiet, --silent do not print \`checking...' messages
--version print the version of autoconf that created configure
Directory and file names:
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
--srcdir=DIR find the sources in DIR [configure dir or ..]
--program-prefix=PREFIX prepend PREFIX to installed program names
--program-suffix=SUFFIX append SUFFIX to installed program names
--program-transform-name=PROGRAM run sed PROGRAM on installed program names
Host type:
--build=BUILD configure for building on BUILD [BUILD=HOST]
--host=HOST configure for HOST [guessed]
--target=TARGET configure for TARGET [TARGET=HOST]
Features and packages:
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--x-includes=DIR X include files are in DIR
--x-libraries=DIR X library files are in DIR
--enable and --with options recognized:$ac_help"
# Initialize some variables set by options.
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
cache_file=./config.cache
exec_prefix=NONE
host=NONE
no_create=
nonopt=NONE
no_recursion=
prefix=NONE
program_prefix=NONE
program_suffix=NONE
program_transform_name=s,x,x,
silent=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE
# Initialize some other variables.
subdirs=
ac_prev=
for ac_option
do
# If the previous option needs an argument, assign it.
if test -n "$ac_prev"; then
eval "$ac_prev=\$ac_option"
ac_prev=
continue
fi
case "$ac_option" in
-*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
*) ac_optarg= ;;
esac
# Accept the important Cygnus configure options, so we can diagnose typos.
case "$ac_option" in
-build | --build | --buil | --bui | --bu | --b)
ac_prev=build ;;
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
build="$ac_optarg" ;;
-cache-file | --cache-file | --cache-fil | --cache-fi \
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
ac_prev=cache_file ;;
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
cache_file="$ac_optarg" ;;
-disable-* | --disable-*)
ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
# Reject names that are not valid shell variable names.
if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
fi
ac_feature=`echo $ac_feature| sed 's/-/_/g'`
eval "enable_${ac_feature}=no" ;;
-enable-* | --enable-*)
ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
# Reject names that are not valid shell variable names.
if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
{ echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
fi
ac_feature=`echo $ac_feature| sed 's/-/_/g'`
case "$ac_option" in
*=*) ;;
*) ac_optarg=yes ;;
esac
eval "enable_${ac_feature}='$ac_optarg'" ;;
-exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
| --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
| --exec | --exe | --ex)
ac_prev=exec_prefix ;;
-exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
| --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
| --exec=* | --exe=* | --ex=*)
exec_prefix="$ac_optarg" ;;
-gas | --gas | --ga | --g)
# Obsolete; use --with-gas.
with_gas=yes ;;
-help | --help | --hel | --he)
cat << EOF
$ac_usage
EOF
exit 0 ;;
-host | --host | --hos | --ho)
ac_prev=host ;;
-host=* | --host=* | --hos=* | --ho=*)
host="$ac_optarg" ;;
-nfp | --nfp | --nf)
# Obsolete; use --without-fp.
with_fp=no ;;
-no-create | --no-create | --no-creat | --no-crea | --no-cre \
| --no-cr | --no-c)
no_create=yes ;;
-no-recursion | --no-recursion | --no-recursio | --no-recursi \
| --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
no_recursion=yes ;;
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
ac_prev=prefix ;;
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
prefix="$ac_optarg" ;;
-program-prefix | --program-prefix | --program-prefi | --program-pref \
| --program-pre | --program-pr | --program-p)
ac_prev=program_prefix ;;
-program-prefix=* | --program-prefix=* | --program-prefi=* \
| --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
program_prefix="$ac_optarg" ;;
-program-suffix | --program-suffix | --program-suffi | --program-suff \
| --program-suf | --program-su | --program-s)
ac_prev=program_suffix ;;
-program-suffix=* | --program-suffix=* | --program-suffi=* \
| --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
program_suffix="$ac_optarg" ;;
-program-transform-name | --program-transform-name \
| --program-transform-nam | --program-transform-na \
| --program-transform-n | --program-transform- \
| --program-transform | --program-transfor \
| --program-transfo | --program-transf \
| --program-trans | --program-tran \
| --progr-tra | --program-tr | --program-t)
ac_prev=program_transform_name ;;
-program-transform-name=* | --program-transform-name=* \
| --program-transform-nam=* | --program-transform-na=* \
| --program-transform-n=* | --program-transform-=* \
| --program-transform=* | --program-transfor=* \
| --program-transfo=* | --program-transf=* \
| --program-trans=* | --program-tran=* \
| --progr-tra=* | --program-tr=* | --program-t=*)
program_transform_name="$ac_optarg" ;;
-q | -quiet | --quiet | --quie | --qui | --qu | --q \
| -silent | --silent | --silen | --sile | --sil)
silent=yes ;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
srcdir="$ac_optarg" ;;
-target | --target | --targe | --targ | --tar | --ta | --t)
ac_prev=target ;;
-target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
target="$ac_optarg" ;;
-v | -verbose | --verbose | --verbos | --verbo | --verb)
verbose=yes ;;
-version | --version | --versio | --versi | --vers)
echo "configure generated by autoconf version 1.120"
exit 0 ;;
-with-* | --with-*)
ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
# Reject names that are not valid shell variable names.
if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
fi
ac_package=`echo $ac_package| sed 's/-/_/g'`
case "$ac_option" in
*=*) ;;
*) ac_optarg=yes ;;
esac
eval "with_${ac_package}='$ac_optarg'" ;;
-without-* | --without-*)
ac_package=`echo $ac_option|sed -e 's/-*without-//'`
# Reject names that are not valid shell variable names.
if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
fi
ac_package=`echo $ac_package| sed 's/-/_/g'`
eval "with_${ac_package}=no" ;;
--x)
# Obsolete; use --with-x.
with_x=yes ;;
-x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
| --x-incl | --x-inc | --x-in | --x-i)
ac_prev=x_includes ;;
-x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
| --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
x_includes="$ac_optarg" ;;
-x-libraries | --x-libraries | --x-librarie | --x-librari \
| --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
ac_prev=x_libraries ;;
-x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
| --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
x_libraries="$ac_optarg" ;;
-*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
;;
*)
if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
echo "configure: warning: $ac_option: invalid host type" 1>&2
fi
if test "x$nonopt" != xNONE; then
{ echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
fi
nonopt="$ac_option"
;;
esac
done
if test -n "$ac_prev"; then
{ echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; }
fi
trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
# File descriptor usage:
# 0 unused; standard input
# 1 file creation
# 2 errors and warnings
# 3 unused; some systems may open it to /dev/tty
# 4 checking for... messages and results
# 5 compiler messages saved in config.log
if test "$silent" = yes; then
exec 4>/dev/null
else
exec 4>&1
fi
exec 5>./config.log
echo "\
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
" 1>&5
# Strip out --no-create and --no-recursion so they do not pile up.
# Also quote any args containing shell metacharacters.
ac_configure_args=
for ac_arg
do
case "$ac_arg" in
-no-create | --no-create | --no-creat | --no-crea | --no-cre \
| --no-cr | --no-c) ;;
-no-recursion | --no-recursion | --no-recursio | --no-recursi \
| --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
*" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
ac_configure_args="$ac_configure_args '$ac_arg'" ;;
*) ac_configure_args="$ac_configure_args $ac_arg" ;;
esac
done
# NLS nuisances.
# Only set LANG and LC_ALL to C if already set.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}" = set; then LANG=C; export LANG; fi
# confdefs.h avoids OS command line length limits that DEFS can exceed.
rm -rf conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h
# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
ac_unique_file=diff.h
# Find the source files, if location was not specified.
if test -z "$srcdir"; then
ac_srcdir_defaulted=yes
# Try the directory containing this script, then its parent.
ac_prog=$0
ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
srcdir=$ac_confdir
if test ! -r $srcdir/$ac_unique_file; then
srcdir=..
fi
else
ac_srcdir_defaulted=no
fi
if test ! -r $srcdir/$ac_unique_file; then
if test "$ac_srcdir_defaulted" = yes; then
{ echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
else
{ echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
fi
fi
# Prefer explicitly selected file to automatically selected ones.
if test -z "$CONFIG_SITE"; then
if test "x$prefix" != xNONE; then
CONFIG_SITE=$prefix/lib/config.site
else
CONFIG_SITE=/usr/local/lib/config.site
fi
# System dependent files override system independent ones.
if test "x$exec_prefix" != xNONE && test "x$exec_prefix" != "x$prefix"; then
CONFIG_SITE="$CONFIG_SITE $exec_prefix/lib/config.site"
fi
fi
for ac_site_file in $CONFIG_SITE; do
if test -r "$ac_site_file"; then
echo "loading site script $ac_site_file"
. "$ac_site_file"
fi
done
if test -r "$cache_file"; then
echo "loading cache $cache_file"
. $cache_file
else
echo "creating cache $cache_file"
> $cache_file
fi
ac_ext=c
# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
ac_cpp='$CPP $CPPFLAGS'
ac_link='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext -o conftest $LIBS 1>&5 2>&5'
if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
ac_n= ac_c='
' ac_t=' '
else
ac_n=-n ac_c= ac_t=
fi
else
ac_n= ac_c='\c' ac_t=
fi
if test "$program_transform_name" = s,x,x,; then
program_transform_name=
else
# Double any \ or $.
echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
rm -f conftestsed
fi
test "$program_prefix" != NONE &&
program_transform_name="s,^,${program_prefix},; $program_transform_name"
# Use a double $ so make ignores it.
test "$program_suffix" != NONE &&
program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"
# sed with no file args requires a program.
test "$program_transform_name" = "" && program_transform_name="s,x,x,"
# Extract the first word of "gcc", so it can be a program name with args.
set dummy gcc; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_CC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test -n "$CC"; then
ac_cv_prog_CC="$CC" # Let the user override the test.
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
ac_cv_prog_CC="gcc"
break
fi
done
IFS="$ac_save_ifs"
test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
fi
fi
CC="$ac_cv_prog_CC"
if test -n "$CC"; then
echo "$ac_t""$CC" 1>&4
else
echo "$ac_t""no" 1>&4
fi
echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_gcc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.c <<EOF
#ifdef __GNUC__
yes
#endif
EOF
if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
ac_cv_prog_gcc=yes
else
ac_cv_prog_gcc=no
fi
fi
echo "$ac_t""$ac_cv_prog_gcc" 1>&4
if test $ac_cv_prog_gcc = yes; then
GCC=yes
if test "${CFLAGS+set}" != set; then
echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_gcc_g'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
ac_cv_prog_gcc_g=yes
else
ac_cv_prog_gcc_g=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_prog_gcc_g" 1>&4
if test $ac_cv_prog_gcc_g = yes; then
CFLAGS="-g -O"
else
CFLAGS="-O"
fi
fi
else
GCC=
test "${CFLAGS+set}" = set || CFLAGS="-g"
fi
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&4
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
fi
if test -z "$CPP"; then
if eval "test \"`echo '${'ac_cv_prog_CPP'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
# This must be in double quotes, not single quotes, because CPP may get
# substituted into the Makefile and "${CC-cc}" will confuse make.
CPP="${CC-cc} -E"
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
#line 513 "configure"
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
else
echo "$ac_err" >&5
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
#line 527 "configure"
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
else
echo "$ac_err" >&5
rm -rf conftest*
CPP=/lib/cpp
fi
rm -f conftest*
fi
rm -f conftest*
ac_cv_prog_CPP="$CPP"
fi
fi
CPP="$ac_cv_prog_CPP"
echo "$ac_t""$CPP" 1>&4
ac_aux_dir=
for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
if test -f $ac_dir/install-sh; then
ac_aux_dir=$ac_dir
ac_install_sh="$ac_aux_dir/install-sh -c"
break
elif test -f $ac_dir/install.sh; then
ac_aux_dir=$ac_dir
ac_install_sh="$ac_aux_dir/install.sh -c"
break
fi
done
if test -z "$ac_aux_dir"; then
{ echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }
fi
ac_config_guess=$ac_aux_dir/config.guess
ac_config_sub=$ac_aux_dir/config.sub
ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
# Find a good install program. We prefer a C program (faster),
# so one script is as good as another. But avoid the broken or
# incompatible versions:
# SysV /etc/install, /usr/sbin/install
# SunOS /usr/etc/install
# IRIX /sbin/install
# AIX /bin/install
# AFS /usr/afsws/bin/install, which mishandles nonexistent args
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&4
if test -z "$INSTALL"; then
if eval "test \"`echo '${'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
case "$ac_dir" in
''|.|/etc|/usr/sbin|/usr/etc|/sbin|/usr/afsws/bin|/usr/ucb) ;;
*)
# OSF1 and SCO ODT 3.0 have their own names for install.
for ac_prog in ginstall installbsd scoinst install; do
if test -f $ac_dir/$ac_prog; then
if test $ac_prog = install &&
grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
# AIX install. It has an incompatible calling convention.
# OSF/1 installbsd also uses dspmsg, but is usable.
:
else
ac_cv_path_install="$ac_dir/$ac_prog -c"
break 2
fi
fi
done
;;
esac
done
IFS="$ac_save_ifs"
# As a last resort, use the slow shell script.
test -z "$ac_cv_path_install" && ac_cv_path_install="$ac_install_sh"
fi
INSTALL="$ac_cv_path_install"
fi
echo "$ac_t""$INSTALL" 1>&4
# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
# It thinks the first close brace ends the variable substitution.
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&4
if test -d /etc/conf/kconfig.d &&
grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
then
echo "$ac_t""yes" 1>&4
ISC=yes # If later tests want to check for ISC.
cat >> confdefs.h <<\EOF
#define _POSIX_SOURCE 1
EOF
if test "$GCC" = yes; then
CC="$CC -posix"
else
CC="$CC -Xp"
fi
else
echo "$ac_t""no" 1>&4
ISC=
fi
ac_safe=`echo "minix/config.h" | tr './' '__'`
echo $ac_n "checking for minix/config.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 646 "configure"
#include "confdefs.h"
#include <minix/config.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
eval "ac_cv_header_$ac_safe=yes"
else
echo "$ac_err" >&5
rm -rf conftest*
eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&4
MINIX=yes
else
echo "$ac_t""no" 1>&4
MINIX=
fi
if test "$MINIX" = yes; then
cat >> confdefs.h <<\EOF
#define _POSIX_SOURCE 1
EOF
cat >> confdefs.h <<\EOF
#define _POSIX_1_SOURCE 2
EOF
cat >> confdefs.h <<\EOF
#define _MINIX 1
EOF
fi
echo $ac_n "checking for working const""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_const'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 690 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
/* Ultrix mips cc rejects this. */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this. */
char const *const *ccp;
char **p;
/* NEC SVR4.0.2 mips cc rejects this. */
struct point {int x, y;};
static struct point const zero;
/* AIX XL C 1.02.0.0 rejects this.
It does not let you subtract one const X* pointer from another in an arm
of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this. */
char *t;
char const *s = 0 ? (char *) 0 : (char const *) 0;
*t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
int x[] = {25, 17};
const int *foo = &x[0];
++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
typedef const int *iptr;
iptr p = 0;
++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
"k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
struct s { int j; const int *ap[3]; };
struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
const int foo = 10;
}
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_c_const=yes
else
rm -rf conftest*
ac_cv_c_const=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_c_const" 1>&4
if test $ac_cv_c_const = no; then
cat >> confdefs.h <<\EOF
#define const
EOF
fi
# If we cannot run a trivial program, we must be cross compiling.
echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_cross'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test "$cross_compiling" = yes; then
ac_cv_cross=yes
else
cat > conftest.$ac_ext <<EOF
#line 767 "configure"
#include "confdefs.h"
main(){return(0);}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_c_cross=no
else
ac_cv_c_cross=yes
fi
fi
rm -fr conftest*
fi
cross_compiling=$ac_cv_c_cross
echo "$ac_t""$ac_cv_c_cross" 1>&4
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 788 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <float.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
ac_cv_header_stdc=yes
else
echo "$ac_err" >&5
rm -rf conftest*
ac_cv_header_stdc=no
fi
rm -f conftest*
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 810 "configure"
#include "confdefs.h"
#include <string.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "memchr" >/dev/null 2>&1; then
:
else
rm -rf conftest*
ac_cv_header_stdc=no
fi
rm -f conftest*
fi
if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 828 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "free" >/dev/null 2>&1; then
:
else
rm -rf conftest*
ac_cv_header_stdc=no
fi
rm -f conftest*
fi
if test $ac_cv_header_stdc = yes; then
# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
if test "$cross_compiling" = yes; then
ac_cv_header_stdc=no
else
cat > conftest.$ac_ext <<EOF
#line 849 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
int main () { int i; for (i = 0; i < 256; i++)
if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
:
else
ac_cv_header_stdc=no
fi
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_header_stdc" 1>&4
if test $ac_cv_header_stdc = yes; then
cat >> confdefs.h <<\EOF
#define STDC_HEADERS 1
EOF
fi
for ac_hdr in unistd.h fcntl.h limits.h stdlib.h string.h sys/file.h time.h
do
ac_safe=`echo "$ac_hdr" | tr './' '__'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 886 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
eval "ac_cv_header_$ac_safe=yes"
else
echo "$ac_err" >&5
rm -rf conftest*
eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&4
ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
else
echo "$ac_t""no" 1>&4
fi
done
ac_header_dirent=no
for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
do
ac_safe=`echo "$ac_hdr" | tr './' '__'`
echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 923 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_hdr>
int main() { return 0; }
int t() {
DIR *dirp = 0;
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_header_dirent_$ac_safe=yes"
else
rm -rf conftest*
eval "ac_cv_header_dirent_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&4
ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./' '[A-Z]__'`
cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
ac_header_dirent=$ac_hdr; break
else
echo "$ac_t""no" 1>&4
fi
done
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix,
# and -lx contains other useful things as well. (FIXME what are they?)
if test $ac_header_dirent = dirent.h; then
echo $ac_n "checking for -ldir""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_dir'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
ac_save_LIBS="$LIBS"
LIBS="$LIBS -ldir "
cat > conftest.$ac_ext <<EOF
#line 963 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
opendir()
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_lib_dir=yes"
else
rm -rf conftest*
eval "ac_cv_lib_dir=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"
fi
if eval "test \"`echo '$ac_cv_lib_'dir`\" = yes"; then
echo "$ac_t""yes" 1>&4
LIBS="$LIBS -ldir"
else
echo "$ac_t""no" 1>&4
fi
fi
echo $ac_n "checking for -lx""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_lib_x'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
ac_save_LIBS="$LIBS"
LIBS="$LIBS -lx "
cat > conftest.$ac_ext <<EOF
#line 997 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
main()
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_lib_x=yes"
else
rm -rf conftest*
eval "ac_cv_lib_x=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"
fi
if eval "test \"`echo '$ac_cv_lib_'x`\" = yes"; then
echo "$ac_t""yes" 1>&4
LIBS="$LIBS -lx"
else
echo "$ac_t""no" 1>&4
fi
echo $ac_n "checking whether stat file-mode macros are broken""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_stat_broken'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1029 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifdef S_ISBLK
# if S_ISBLK (S_IFDIR)
You lose.
# endif
# ifdef S_IFCHR
# if S_ISBLK (S_IFCHR)
You lose.
# endif
# endif
#endif
#ifdef S_ISLNK
# if S_ISLNK (S_IFREG)
You lose.
# endif
#endif
#ifdef S_ISSOCK
# if S_ISSOCK (S_IFREG)
You lose.
# endif
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "You lose" >/dev/null 2>&1; then
rm -rf conftest*
ac_cv_header_stat_broken=yes
else
rm -rf conftest*
ac_cv_header_stat_broken=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_header_stat_broken" 1>&4
if test $ac_cv_header_stat_broken = yes; then
cat >> confdefs.h <<\EOF
#define STAT_MACROS_BROKEN 1
EOF
fi
echo $ac_n "checking for sys/wait.h that is compatible with Posix.1""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1081 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/wait.h>
#ifndef WEXITSTATUS
#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
int main() { return 0; }
int t() {
int s;
wait (&s);
waitpid (0, &s, 0);
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_header_sys_wait_h=yes
else
rm -rf conftest*
ac_cv_header_sys_wait_h=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_header_sys_wait_h" 1>&4
if test $ac_cv_header_sys_wait_h = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_SYS_WAIT_H 1
EOF
fi
echo $ac_n "checking for pid_t""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_pid_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1122 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "pid_t" >/dev/null 2>&1; then
rm -rf conftest*
ac_cv_type_pid_t=yes
else
rm -rf conftest*
ac_cv_type_pid_t=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_type_pid_t" 1>&4
if test $ac_cv_type_pid_t = no; then
cat >> confdefs.h <<\EOF
#define pid_t int
EOF
fi
echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_type_signal'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1153 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
extern void (*signal ()) ();
int main() { return 0; }
int t() {
int i;
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_type_signal=void
else
rm -rf conftest*
ac_cv_type_signal=int
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_type_signal" 1>&4
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF
for ac_func in dup2 memchr sigaction strchr strerror tmpnam
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1189 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char $ac_func(); $ac_func();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
rm -rf conftest*
eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
echo "$ac_t""yes" 1>&4
ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
else
echo "$ac_t""no" 1>&4
fi
done
for ac_func in memchr waitpid
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1236 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char $ac_func(); $ac_func();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
rm -rf conftest*
eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
echo "$ac_t""yes" 1>&4
:
else
echo "$ac_t""no" 1>&4
LIBOBJS="$LIBOBJS ${ac_func}.o"
fi
done
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo $ac_n "checking for working alloca.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_alloca_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1281 "configure"
#include "confdefs.h"
#include <alloca.h>
int main() { return 0; }
int t() {
char *p = alloca(2 * sizeof(int));
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_header_alloca_h=yes
else
rm -rf conftest*
ac_cv_header_alloca_h=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_header_alloca_h" 1>&4
if test $ac_cv_header_alloca_h = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA_H 1
EOF
fi
echo $ac_n "checking for alloca""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_alloca'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1312 "configure"
#include "confdefs.h"
#ifdef __GNUC__
# define alloca __builtin_alloca
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# endif
# endif
# endif
#endif
int main() { return 0; }
int t() {
char *p = (char *) alloca(1);
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_func_alloca=yes
else
rm -rf conftest*
ac_cv_func_alloca=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_func_alloca" 1>&4
if test $ac_cv_func_alloca = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA 1
EOF
fi
if test $ac_cv_func_alloca = no; then
# The SVR3 libPW and SVR4 libucb both contain incompatible functions
# that cause trouble. Some versions do not even contain alloca or
# contain a buggy version. If you still want to use their alloca,
# use ar to extract alloca.o from them instead of compiling alloca.c.
ALLOCA=alloca.o
cat >> confdefs.h <<\EOF
#define C_ALLOCA 1
EOF
echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_os_cray'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1370 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
#else
wenotbecray
#endif
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "webecray" >/dev/null 2>&1; then
rm -rf conftest*
ac_cv_os_cray=yes
else
rm -rf conftest*
ac_cv_os_cray=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_os_cray" 1>&4
if test $ac_cv_os_cray = yes; then
echo $ac_n "checking for _getb67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func__getb67'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1397 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub__getb67) || defined (__stub____getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char _getb67(); _getb67();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func__getb67=yes"
else
rm -rf conftest*
eval "ac_cv_func__getb67=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'_getb67`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END _getb67
EOF
else
echo "$ac_t""no" 1>&4
echo $ac_n "checking for GETB67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_GETB67'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1438 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_GETB67) || defined (__stub___GETB67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char GETB67(); GETB67();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func_GETB67=yes"
else
rm -rf conftest*
eval "ac_cv_func_GETB67=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'GETB67`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END GETB67
EOF
else
echo "$ac_t""no" 1>&4
echo $ac_n "checking for getb67""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_getb67'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1479 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_getb67) || defined (__stub___getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char getb67(); getb67();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func_getb67=yes"
else
rm -rf conftest*
eval "ac_cv_func_getb67=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'getb67`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define CRAY_STACKSEG_END getb67
EOF
else
echo "$ac_t""no" 1>&4
fi
fi
fi
fi
echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_c_stack_direction'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test "$cross_compiling" = yes; then
ac_cv_c_stack_direction=0
else
cat > conftest.$ac_ext <<EOF
#line 1531 "configure"
#include "confdefs.h"
find_stack_direction ()
{
static char *addr = 0;
auto char dummy;
if (addr == 0)
{
addr = &dummy;
return find_stack_direction ();
}
else
return (&dummy > addr) ? 1 : -1;
}
main ()
{
exit (find_stack_direction() < 0);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_c_stack_direction=1
else
ac_cv_c_stack_direction=-1
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_c_stack_direction" 1>&4
cat >> confdefs.h <<EOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
EOF
fi
echo $ac_n "checking whether closedir returns void""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_closedir_void'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test "$cross_compiling" = yes; then
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
else
cat > conftest.$ac_ext <<EOF
#line 1574 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_header_dirent>
int closedir(); main() { exit(closedir(opendir(".")) != 0); }
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_func_closedir_void=no
else
ac_cv_func_closedir_void=yes
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_func_closedir_void" 1>&4
if test $ac_cv_func_closedir_void = yes; then
cat >> confdefs.h <<\EOF
#define CLOSEDIR_VOID 1
EOF
fi
ac_safe=`echo "vfork.h" | tr './' '__'`
echo $ac_n "checking for vfork.h""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1603 "configure"
#include "confdefs.h"
#include <vfork.h>
EOF
eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
eval "ac_cv_header_$ac_safe=yes"
else
echo "$ac_err" >&5
rm -rf conftest*
eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_VFORK_H 1
EOF
else
echo "$ac_t""no" 1>&4
fi
echo $ac_n "checking for working vfork""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_vfork'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test "$cross_compiling" = yes; then
ac_cv_func_vfork=no
else
cat > conftest.$ac_ext <<EOF
#line 1638 "configure"
#include "confdefs.h"
/* Thanks to Paul Eggert for this test. */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_VFORK_H
#include <vfork.h>
#endif
/* On sparc systems, changes by the child to local and incoming
argument registers are propagated back to the parent.
The compiler is told about this with #include <vfork.h>,
but some compilers (e.g. gcc -O) don't grok <vfork.h>.
Test for this by using a static variable whose address
is put into a register that is clobbered by the vfork. */
static
#ifdef __cplusplus
sparc_address_test (int arg)
#else
sparc_address_test (arg) int arg;
#endif
{
static pid_t child;
if (!child) {
child = vfork ();
if (child < 0)
perror ("vfork");
if (!child) {
arg = getpid();
write(-1, "", 0);
_exit (arg);
}
}
}
static int signalled;
static RETSIGTYPE catch (s) int s; { signalled = 1; }
main() {
pid_t parent = getpid ();
pid_t child;
sparc_address_test ();
signal (SIGINT, catch);
child = vfork ();
if (child == 0) {
/* Here is another test for sparc vfork register problems.
This test uses lots of local variables, at least
as many local variables as main has allocated so far
including compiler temporaries. 4 locals are enough for
gcc 1.40.3 on a sparc, but we use 8 to be safe.
A buggy compiler should reuse the register of parent
for one of the local variables, since it will think that
parent can't possibly be used any more in this routine.
Assigning to the local variable will thus munge parent
in the parent process. */
pid_t
p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(),
p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid();
/* Convince the compiler that p..p7 are live; otherwise, it might
use the same hardware register for all 8 local variables. */
if (p != p1 || p != p2 || p != p3 || p != p4
|| p != p5 || p != p6 || p != p7)
_exit(1);
/* On some systems (e.g. SunOS 5.2), if the parent is catching
a signal, the child ignores the signal before execing,
and the parent later receives that signal, the parent dumps core.
Test for this by ignoring SIGINT in the child. */
signal (SIGINT, SIG_IGN);
/* On some systems (e.g. IRIX 3.3),
vfork doesn't separate parent from child file descriptors.
If the child closes a descriptor before it execs or exits,
this munges the parent's descriptor as well.
Test for this by closing stdout in the child. */
_exit(close(fileno(stdout)) != 0);
} else {
int status;
struct stat st;
while (wait(&status) != child)
;
exit(
/* Was there some problem with vforking? */
child < 0
/* Did the child fail? (This shouldn't happen.) */
|| status
/* Did the vfork/compiler bug occur? */
|| parent != getpid()
/* Did the signal handling bug occur? */
|| kill(parent, SIGINT) != 0
|| signalled != 1
/* Did the file descriptor bug occur? */
|| fstat(fileno(stdout), &st) != 0
);
}
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
ac_cv_func_vfork=yes
else
ac_cv_func_vfork=no
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_func_vfork" 1>&4
if test $ac_cv_func_vfork = no; then
cat >> confdefs.h <<\EOF
#define vfork fork
EOF
fi
echo $ac_n "checking for vprintf""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func_vprintf'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1768 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_vprintf) || defined (__stub___vprintf)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char vprintf(); vprintf();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func_vprintf=yes"
else
rm -rf conftest*
eval "ac_cv_func_vprintf=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'vprintf`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_VPRINTF 1
EOF
else
echo "$ac_t""no" 1>&4
fi
if test "$ac_cv_func_vprintf" != yes; then
echo $ac_n "checking for _doprnt""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_func__doprnt'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1812 "configure"
#include "confdefs.h"
#include <ctype.h> /* Arbitrary system header to define __stub macros. */
int main() { return 0; }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub__doprnt) || defined (__stub____doprnt)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
char _doprnt(); _doprnt();
#endif
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
eval "ac_cv_func__doprnt=yes"
else
rm -rf conftest*
eval "ac_cv_func__doprnt=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_func_'_doprnt`\" = yes"; then
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_DOPRNT 1
EOF
else
echo "$ac_t""no" 1>&4
fi
fi
echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_struct_st_blksize'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1857 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { return 0; }
int t() {
struct stat s; s.st_blksize;
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
ac_cv_struct_st_blksize=yes
else
rm -rf conftest*
ac_cv_struct_st_blksize=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_struct_st_blksize" 1>&4
if test $ac_cv_struct_st_blksize = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_ST_BLKSIZE 1
EOF
fi
trap '' 1 2 15
if test -w $cache_file; then
echo "updating cache $cache_file"
cat > $cache_file <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs. It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already. You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
EOF
# Ultrix sh set writes to stderr and can't be redirected directly.
(set) 2>&1 |
sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/: \${\1='\2'}/p" \
>> $cache_file
else
echo "not updating unwritable cache $cache_file"
fi
trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
test "x$prefix" = xNONE && prefix=/usr/local
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
ac_vpsub='/^[ ]*VPATH[ ]*=[^:]*$/d'
fi
trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
DEFS=-DHAVE_CONFIG_H
# Without the "./", some shells look in PATH for config.status.
: ${CONFIG_STATUS=./config.status}
echo creating $CONFIG_STATUS
rm -f $CONFIG_STATUS
cat > $CONFIG_STATUS <<EOF
#!/bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
# $0 $ac_configure_args
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.
ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
for ac_option
do
case "\$ac_option" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "$CONFIG_STATUS generated by autoconf version 1.120"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "\$ac_cs_usage"; exit 0 ;;
*) echo "\$ac_cs_usage"; exit 1 ;;
esac
done
ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"
trap 'rm -fr Makefile config.h:config.hin conftest*; exit 1' 1 2 15
# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g;
s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
$ac_vpsub
$extrasub
s%@CFLAGS@%$CFLAGS%g
s%@CPPFLAGS@%$CPPFLAGS%g
s%@CXXFLAGS@%$CXXFLAGS%g
s%@DEFS@%$DEFS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@LIBS@%$LIBS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@LIBOBJS@%$LIBOBJS%g
s%@ALLOCA@%$ALLOCA%g
CEOF
EOF
cat >> $CONFIG_STATUS <<EOF
CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
EOF
cat >> $CONFIG_STATUS <<\EOF
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
# Support "outfile[:infile]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
# Adjust relative srcdir, etc. for subdirectories.
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
ac_dir_suffix="/$ac_dir"
# A "../" for each directory in $ac_dir_suffix.
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
else
ac_dir_suffix= ac_dots=
fi
case "$ac_given_srcdir" in
.) srcdir=.
if test -z "$ac_dots"; then top_srcdir=.
else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
*) # Relative path.
srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
case "$ac_given_INSTALL" in
[/$]*) INSTALL="$ac_given_INSTALL" ;;
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
echo creating "$ac_file"
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
*Makefile*) ac_comsub="1i\\
# $configure_input" ;;
*) ac_comsub= ;;
esac
sed -e "$ac_comsub
s%@configure_input@%$configure_input%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@INSTALL@%$INSTALL%g
" -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
fi; done
rm -f conftest.subs
# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
# NAME is the cpp macro being defined and VALUE is the value it is being given.
#
# ac_d sets the value in "#define NAME VALUE" lines.
ac_dA='s%^\([ ]*\)#\([ ]*define[ ][ ]*\)'
ac_dB='\([ ][ ]*\)[^ ]*%\1#\2'
ac_dC='\3'
ac_dD='%g'
# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
ac_uA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_uB='\([ ]\)%\1#\2define\3'
ac_uC=' '
ac_uD='\4%g'
# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
ac_eA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_eB='$%\1#\2define\3'
ac_eC=' '
ac_eD='%g'
CONFIG_HEADERS=${CONFIG_HEADERS-"config.h:config.hin"}
for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
# Support "outfile[:infile]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
echo creating $ac_file
rm -f conftest.frag conftest.in conftest.out
cp $ac_given_srcdir/$ac_file_in conftest.in
EOF
# Transform confdefs.h into a sed script conftest.vals that substitutes
# the proper values into config.h.in to produce config.h. And first:
# Protect against being on the right side of a sed subst in config.status.
# Protect against being in an unquoted here document in config.status.
rm -f conftest.vals
cat > conftest.hdr <<\EOF
s/[\\&%]/\\&/g
s%[\\$`]%\\&%g
s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
s%ac_d%ac_u%gp
s%ac_u%ac_e%gp
EOF
sed -n -f conftest.hdr confdefs.h > conftest.vals
rm -f conftest.hdr
# This sed command replaces #undef with comments. This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it.
cat >> conftest.vals <<\EOF
s%^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
EOF
# Break up conftest.vals because some shells have a limit on
# the size of here documents, and old seds have small limits too.
# Maximum number of lines to put in a single here document.
ac_max_here_lines=12
rm -f conftest.tail
while :
do
ac_lines=`grep -c . conftest.vals`
# grep -c gives empty output for an empty file on some AIX systems.
if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
# Write a limited-size here document to conftest.frag.
echo ' cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
echo 'CEOF
sed -f conftest.frag conftest.in > conftest.out
rm -f conftest.in
mv conftest.out conftest.in
' >> $CONFIG_STATUS
sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
rm -f conftest.vals
mv conftest.tail conftest.vals
done
rm -f conftest.vals
cat >> $CONFIG_STATUS <<\EOF
rm -f conftest.frag conftest.h
echo "/* $ac_file. Generated automatically by configure. */" > conftest.h
cat conftest.in >> conftest.h
rm -f conftest.in
if cmp -s $ac_file conftest.h 2>/dev/null; then
echo "$ac_file is unchanged"
rm -f conftest.h
else
rm -f $ac_file
mv conftest.h $ac_file
fi
fi; done
date > stamp-h
exit 0
EOF
chmod +x $CONFIG_STATUS
rm -fr confdefs* $ac_clean_files
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS
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