Hash :
a8b67c4f
Author :
Date :
1995-03-15T00:00:00
The Independent JPEG Group's JPEG software v5b
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#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.1
# Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
#
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_help="$ac_help
--enable-maxmem[=N] enable use of temp files, set max mem usage to N MB"
ac_help="$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=
site=
srcdir=
target=NONE
verbose=
x_includes=NONE
x_libraries=NONE
# Initialize some other variables.
subdirs=
ac_prev=
for ac_option
do
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if test -n "$ac_prev"; then
eval "$ac_prev=\$ac_option"
ac_prev=
continue
fi
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*) ac_optarg= ;;
esac
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case "$ac_option" in
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ac_prev=build ;;
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
build="$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=* \
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eval "enable_${ac_feature}=no" ;;
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ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
# Reject names that are not valid shell variable names.
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eval "enable_${ac_feature}='$ac_optarg'" ;;
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cat << EOF
Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
Configuration:
--cache-file=FILE cache test results in FILE
--help print this message
--no-create do not create output files
--quiet, --silent do not print \`checking...' messages
--version print the version of autoconf that created configure
Directory and file names:
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[$ac_default_prefix]
--exec-prefix=PREFIX install architecture-dependent files in PREFIX
[same as prefix]
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--program-prefix=PREFIX prepend PREFIX to installed program names
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--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:$ac_help
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exit 0 ;;
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ac_prev=prefix ;;
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| --program-trans=* | --program-tran=* \
| --progr-tra=* | --program-tr=* | --program-t=*)
program_transform_name="$ac_optarg" ;;
-q | -quiet | --quiet | --quie | --qui | --qu | --q \
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silent=yes ;;
-site | --site | --sit)
ac_prev=site ;;
-site=* | --site=* | --sit=*)
site="$ac_optarg" ;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
ac_prev=srcdir ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
srcdir="$ac_optarg" ;;
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ac_prev=target ;;
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target="$ac_optarg" ;;
-v | -verbose | --verbose | --verbos | --verbo | --verb)
verbose=yes ;;
-version | --version | --versio | --versi | --vers)
echo "configure generated by autoconf version 2.1"
exit 0 ;;
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ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
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{ echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
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ac_package=`echo $ac_package| sed 's/-/_/g'`
case "$ac_option" in
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*) ac_optarg=yes ;;
esac
eval "with_${ac_package}='$ac_optarg'" ;;
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ac_package=`echo $ac_option|sed -e 's/-*without-//'`
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{ 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.
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-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=* \
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x_includes="$ac_optarg" ;;
-x-libraries | --x-libraries | --x-librarie | --x-librari \
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ac_prev=x_libraries ;;
-x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
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x_libraries="$ac_optarg" ;;
-*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
;;
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varname=`echo "$ac_option"|sed -e 's/=.*//'`
# Reject names that aren't valid shell variable names.
if test -n "`echo $varname| sed 's/[a-zA-Z0-9_]//g'`"; then
{ echo "configure: error: $varname: invalid shell variable name" 1>&2; exit 1; }
fi
val="`echo "$ac_option"|sed 's/[^=]*=//'`"
test -n "$verbose" && echo " setting shell variable $varname to $val"
eval "$varname='$val'"
eval "export $varname" ;;
*)
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).
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# 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
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ac_unique_file=jcmaster.c
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ac_srcdir_defaulted=yes
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ac_prog=$0
ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
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fi
else
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fi
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{ echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
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fi
fi
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# Prefer explicitly selected file to automatically selected ones.
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CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
else
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fi
fi
for ac_site_file in $CONFIG_SITE; do
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echo "loading site script $ac_site_file"
. "$ac_site_file"
fi
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
ac_compile='${CC-cc} $CFLAGS $CPPFLAGS conftest.$ac_ext -c 1>&5 2>&5'
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if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
# Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
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ac_n= ac_c='
' ac_t=' '
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ac_n=-n ac_c= ac_t=
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ac_n= ac_c='\c' ac_t=
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echo $ac_n "(cached) $ac_c" 1>&4
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echo "$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 $ac_cv_prog_gcc = yes; then
GCC=yes
else
GCC=
fi
if test "${CFLAGS+set}" != set; then
echo $ac_n "checking whether ${CC-cc} accepts -O""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_cc_o'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
echo 'int f(){ return 0; }' > conftest.c
if test -z "`${CC-cc} -O -c conftest.c 2>&1`"; then
ac_cv_prog_cc_o=yes
else
ac_cv_prog_cc_o=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_prog_cc_o" 1>&4
if test $ac_cv_prog_cc_o = yes; then
CFLAGS="-O"
else
CFLAGS=""
fi
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 497 "configure"
#include "confdefs.h"
#include <assert.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 511 "configure"
#include "confdefs.h"
#include <assert.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
# 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 543 "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 function prototypes""... $ac_c" 1>&4
if eval "test \"`echo '${'ijg_cv_have_prototypes'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 564 "configure"
#include "confdefs.h"
int testfunction (int arg1, int * arg2); /* check prototypes */
struct methods_struct { /* check method-pointer declarations */
int (*error_exit) (char *msgtext);
int (*trace_message) (char *msgtext);
int (*another_method) (void);
};
int testfunction (int arg1, int * arg2) /* check definitions */
{ return arg2[arg1]; }
int test2function (void) /* check void arg list */
{ return 0; }
int main() { return 0; }
int t() {
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
ijg_cv_have_prototypes=yes
else
rm -rf conftest*
ijg_cv_have_prototypes=no
fi
rm -f conftest*
fi
echo "$ac_t""$ijg_cv_have_prototypes" 1>&4
if test $ijg_cv_have_prototypes = yes; then
cat >> confdefs.h <<\EOF
#define HAVE_PROTOTYPES
EOF
else
echo Your compiler does not seem to know about function prototypes.
echo Perhaps it needs a special switch to enable ANSI C mode.
echo If so, we recommend running configure like this:
echo " ./configure CC='cc -switch'"
echo where -switch is the proper switch.
fi
ac_safe=`echo "stddef.h" | tr './\055' '___'`
echo $ac_n "checking for stddef.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 612 "configure"
#include "confdefs.h"
#include <stddef.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 "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_STDDEF_H
EOF
else
echo "$ac_t""no" 1>&4
fi
ac_safe=`echo "stdlib.h" | tr './\055' '___'`
echo $ac_n "checking for stdlib.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 644 "configure"
#include "confdefs.h"
#include <stdlib.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 "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_STDLIB_H
EOF
else
echo "$ac_t""no" 1>&4
fi
ac_safe=`echo "string.h" | tr './\055' '___'`
echo $ac_n "checking for string.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 676 "configure"
#include "confdefs.h"
#include <string.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 "$ac_t""yes" 1>&4
:
else
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NEED_BSD_STRINGS
EOF
fi
echo $ac_n "checking for size_t""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 705 "configure"
#include "confdefs.h"
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <stdio.h>
#ifdef NEED_BSD_STRINGS
#include <strings.h>
#else
#include <string.h>
#endif
typedef size_t my_size_t;
int main() { return 0; }
int t() {
my_size_t foovar;
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
ijg_size_t_ok=yes
else
rm -rf conftest*
ijg_size_t_ok="not ANSI, perhaps it is in sys/types.h"
fi
rm -f conftest*
echo "$ac_t""$ijg_size_t_ok" 1>&4
if test "$ijg_size_t_ok" != yes; then
ac_safe=`echo "sys/types.h" | tr './\055' '___'`
echo $ac_n "checking for sys/types.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 744 "configure"
#include "confdefs.h"
#include <sys/types.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 "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define NEED_SYS_TYPES_H
EOF
cat > conftest.$ac_ext <<EOF
#line 767 "configure"
#include "confdefs.h"
#include <sys/types.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
egrep "size_t" >/dev/null 2>&1; then
rm -rf conftest*
ijg_size_t_ok="size_t is in sys/types.h"
else
rm -rf conftest*
ijg_size_t_ok=no
fi
rm -f conftest*
else
echo "$ac_t""no" 1>&4
ijg_size_t_ok=no
fi
echo "$ac_t""$ijg_size_t_ok" 1>&4
if test "$ijg_size_t_ok" = no; then
echo Type size_t is not defined in any of the usual places.
echo Try putting '"typedef unsigned int size_t;"' in jconfig.h.
fi
fi
echo $ac_n "checking for type unsigned char""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 794 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
unsigned char un_char;
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_UNSIGNED_CHAR
EOF
else
rm -rf conftest*
echo "$ac_t""no" 1>&4
fi
rm -f conftest*
echo $ac_n "checking for type unsigned short""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 816 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
unsigned short un_short;
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
echo "$ac_t""yes" 1>&4
cat >> confdefs.h <<\EOF
#define HAVE_UNSIGNED_SHORT
EOF
else
rm -rf conftest*
echo "$ac_t""no" 1>&4
fi
rm -f conftest*
echo $ac_n "checking for type void""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 838 "configure"
#include "confdefs.h"
/* Caution: a C++ compiler will insist on valid prototypes */
typedef void * void_ptr; /* check void * */
#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */
typedef void (*void_func) (int a, int b);
#else
typedef void (*void_func) ();
#endif
#ifdef HAVE_PROTOTYPES /* check void function result */
void test3function (void_ptr arg1, void_func arg2)
#else
void test3function (arg1, arg2)
void_ptr arg1;
void_func arg2;
#endif
{
char * locptr = (char *) arg1; /* check casting to and from void * */
arg1 = (void *) locptr;
(*arg2) (1, 2); /* check call of fcn returning void */
}
int main() { return 0; }
int t() {
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
echo "$ac_t""yes" 1>&4
else
rm -rf conftest*
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define void char
EOF
fi
rm -f conftest*
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 884 "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 $ac_compile; then
rm -rf conftest*
ac_cv_c_const=yes
else
rm -rf conftest*
ac_cv_c_const=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_c_const" 1>&4
if test $ac_cv_c_const = no; then
cat >> confdefs.h <<\EOF
#define const
EOF
fi
echo $ac_n "checking for inline""... $ac_c" 1>&4
ijg_cv_inline=""
cat > conftest.$ac_ext <<EOF
#line 955 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
} inline int foo() { return 0; }
int bar() { return foo();
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
ijg_cv_inline="inline"
else
rm -rf conftest*
cat > conftest.$ac_ext <<EOF
#line 970 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
} __inline__ int foo() { return 0; }
int bar() { return foo();
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
ijg_cv_inline="__inline__"
else
rm -rf conftest*
cat > conftest.$ac_ext <<EOF
#line 985 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
} __inline int foo() { return 0; }
int bar() { return foo();
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
ijg_cv_inline="__inline"
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
echo "$ac_t""$ijg_cv_inline" 1>&4
cat >> confdefs.h <<EOF
#define INLINE $ijg_cv_inline
EOF
echo $ac_n "checking for broken incomplete types""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1011 "configure"
#include "confdefs.h"
typedef struct undefined_structure * undef_struct_ptr;
int main() { return 0; }
int t() {
; return 0; }
EOF
if eval $ac_compile; then
rm -rf conftest*
echo "$ac_t""ok" 1>&4
else
rm -rf conftest*
echo "$ac_t""broken" 1>&4
cat >> confdefs.h <<\EOF
#define INCOMPLETE_TYPES_BROKEN
EOF
fi
rm -f conftest*
echo $ac_n "checking for short external names""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1033 "configure"
#include "confdefs.h"
int possibly_duplicate_function () { return 0; }
int possibly_dupli_function () { return 1; }
int main() { return 0; }
int t() {
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
echo "$ac_t""ok" 1>&4
else
rm -rf conftest*
echo "$ac_t""short" 1>&4
cat >> confdefs.h <<\EOF
#define NEED_SHORT_EXTERNAL_NAMES
EOF
fi
rm -f conftest*
echo $ac_n "checking to see if char is signed""... $ac_c" 1>&4
if test "$cross_compiling" = yes; then
echo Assuming that char is signed on target machine.
echo If it is unsigned, this will be a little bit inefficient.
else
cat > conftest.$ac_ext <<EOF
#line 1064 "configure"
#include "confdefs.h"
#ifdef HAVE_PROTOTYPES
int is_char_signed (int arg)
#else
int is_char_signed (arg)
int arg;
#endif
{
if (arg == 189) { /* expected result for unsigned char */
return 0; /* type char is unsigned */
}
else if (arg != -67) { /* expected result for signed char */
printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
printf("I fear the JPEG software will not work at all.\n\n");
}
return 1; /* assume char is signed otherwise */
}
char signed_char_check = (char) (-67);
main() {
exit(is_char_signed((int) signed_char_check));
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define CHAR_IS_UNSIGNED
EOF
else
echo "$ac_t""yes" 1>&4
fi
fi
rm -fr conftest*
echo $ac_n "checking to see if right shift is signed""... $ac_c" 1>&4
if test "$cross_compiling" = yes; then
echo "$ac_t""Assuming that right shift is signed on target machine." 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1105 "configure"
#include "confdefs.h"
#ifdef HAVE_PROTOTYPES
int is_shifting_signed (long arg)
#else
int is_shifting_signed (arg)
long arg;
#endif
/* See whether right-shift on a long is signed or not. */
{
long res = arg >> 4;
if (res == -0x7F7E80CL) { /* expected result for signed shift */
return 1; /* right shift is signed */
}
/* see if unsigned-shift hack will fix it. */
/* we can't just test exact value since it depends on width of long... */
res |= (~0L) << (32-4);
if (res == -0x7F7E80CL) { /* expected result now? */
return 0; /* right shift is unsigned */
}
printf("Right shift isn't acting as I expect it to.\n");
printf("I fear the JPEG software will not work at all.\n\n");
return 0; /* try it with unsigned anyway */
}
main() {
exit(is_shifting_signed(-0x7F7E80B1L));
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define RIGHT_SHIFT_IS_UNSIGNED
EOF
else
echo "$ac_t""yes" 1>&4
fi
fi
rm -fr conftest*
echo $ac_n "checking to see if fopen accepts b spec""... $ac_c" 1>&4
if test "$cross_compiling" = yes; then
echo "$ac_t""Assuming that it does." 1>&4
else
cat > conftest.$ac_ext <<EOF
#line 1152 "configure"
#include "confdefs.h"
#include <stdio.h>
main() {
if (fopen("conftestdata", "wb") != NULL)
exit(0);
exit(1);
}
EOF
eval $ac_link
if test -s conftest && (./conftest; exit) 2>/dev/null; then
echo "$ac_t""yes" 1>&4
else
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define DONT_USE_B_MODE
EOF
fi
fi
rm -fr conftest*
# 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 '${'ijg_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
ijg_cv_path_install="$ac_dir/$ac_prog -c"
break 2
fi
fi
done
;;
esac
done
IFS="$ac_save_ifs"
# As a last resort, use cp
test -z "$ijg_cv_path_install" && ijg_cv_path_install="cp"
fi
INSTALL="$ijg_cv_path_install"
fi
echo "$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='$(INSTALL)'
if test -z "$INSTALL_DATA"; then
if test "$INSTALL" = cp; then
INSTALL_DATA='$(INSTALL)'
else
INSTALL_DATA='$(INSTALL) -m 644'
fi
fi
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&4
if eval "test \"`echo '${'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&4
else
if test -n "$RANLIB"; then
ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
else
IFS="${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_RANLIB="ranlib"
break
fi
done
IFS="$ac_save_ifs"
test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
fi
fi
RANLIB="$ac_cv_prog_RANLIB"
if test -n "$RANLIB"; then
echo "$ac_t""$RANLIB" 1>&4
else
echo "$ac_t""no" 1>&4
fi
MEMORYMGR="jmemnobs.o"
MAXMEM="no"
# Check whether --enable-maxmem or --disable-maxmem was given.
enableval="$enable_maxmem"
if test -n "$enableval"; then
MAXMEM="$enableval"
fi
# support --with-maxmem for backwards compatibility with IJG V5.
# Check whether --with-maxmem or --without-maxmem was given.
withval="$with_maxmem"
if test -n "$withval"; then
MAXMEM="$withval"
fi
if test "x$MAXMEM" = xyes; then
MAXMEM=1
fi
if test "x$MAXMEM" != xno; then
if test -n "`echo $MAXMEM | sed 's/[0-9]//g'`"; then
{ echo "configure: error: non-numeric argument to --enable-maxmem" 1>&2; exit 1; }
fi
DEFAULTMAXMEM=`expr $MAXMEM \* 1048576`
cat >> confdefs.h <<EOF
#define DEFAULT_MAX_MEM ${DEFAULTMAXMEM}
EOF
echo $ac_n "checking for 'tmpfile()'""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1289 "configure"
#include "confdefs.h"
#include <stdio.h>
int main() { return 0; }
int t() {
FILE * tfile = tmpfile();
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
echo "$ac_t""yes" 1>&4
MEMORYMGR="jmemansi.o"
else
rm -rf conftest*
echo "$ac_t""no" 1>&4
MEMORYMGR="jmemname.o"
cat >> confdefs.h <<\EOF
#define NEED_SIGNAL_CATCHER
EOF
echo $ac_n "checking for 'mktemp()'""... $ac_c" 1>&4
cat > conftest.$ac_ext <<EOF
#line 1310 "configure"
#include "confdefs.h"
int main() { return 0; }
int t() {
char fname[80]; mktemp(fname);
; return 0; }
EOF
if eval $ac_link; then
rm -rf conftest*
echo "$ac_t""yes" 1>&4
else
rm -rf conftest*
echo "$ac_t""no" 1>&4
cat >> confdefs.h <<\EOF
#define NO_MKTEMP
EOF
fi
rm -f conftest*
fi
rm -f conftest*
fi
# Prepare to massage makefile.cfg correctly.
if test $ijg_cv_have_prototypes = yes; then
ANSI2KNR=""
ISANSICOM="# "
else
ANSI2KNR="ansi2knr"
ISANSICOM=""
fi
# ansi2knr needs -DBSD if string.h is missing
if test $ac_cv_header_string_h = no; then
ANSI2KNRFLAGS="-DBSD"
else
ANSI2KNRFLAGS=""
fi
# Set up -I directives
if test "x$srcdir" = x.; then
INCLUDEFLAGS='-I$(srcdir)'
else
INCLUDEFLAGS='-I. -I$(srcdir)'
fi
trap '' 1 2 15
trap 'rm -fr conftest* confdefs* core $ac_clean_files; exit 1' 1 2 15
test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$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 2.1"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "\$ac_cs_usage"; exit 0 ;;
*) echo "\$ac_cs_usage"; exit 1 ;;
esac
done
ac_given_srcdir=$srcdir
trap 'rm -fr Makefile:makefile.cfg jconfig.h:jconfig.cfg conftest*; exit 1' 1 2 15
# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g$/@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@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@RANLIB@%$RANLIB%g
s%@MEMORYMGR@%$MEMORYMGR%g
s%@ANSI2KNR@%$ANSI2KNR%g
s%@ISANSICOM@%$ISANSICOM%g
s%@ANSI2KNRFLAGS@%$ANSI2KNRFLAGS%g
s%@INCLUDEFLAGS@%$INCLUDEFLAGS%g
CEOF
EOF
cat >> $CONFIG_STATUS <<EOF
CONFIG_FILES=\${CONFIG_FILES-"Makefile:makefile.cfg"}
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
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
" -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-"jconfig.h:jconfig.cfg"}
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
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
exit 0
EOF
chmod +x $CONFIG_STATUS
rm -fr confdefs* $ac_clean_files
test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS