📄 configure
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# Also quote any args containing shell metacharacters.ac_configure_args=for ac_argdo 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 $ac_arg" ;; esacdone# NLS nuisances.# Only set LANG and LC_ALL to C if already set.# These must not be set unconditionally because not all systems understand# e.g. LANG=C (notably SCO).if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fiif test "${LANG+set}" = set; then LANG=C; export LANG; fi# confdefs.h avoids OS command line length limits that DEFS can exceed.rm -rf conftest* confdefs.h# AIX cpp loses on an empty file, so make sure it contains at least a newline.echo > confdefs.h# A filename unique to this package, relative to the directory that# configure is in, which we can look for to find out if srcdir is correct.ac_unique_file=jcmaster.c# Find the source files, if location was not specified.if test -z "$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=.. fielse ac_srcdir_defaulted=nofiif 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 $srcdir" 1>&2; exit 1; } fifisrcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`# Prefer explicitly selected file to automatically selected ones.if test -z "$CONFIG_SITE"; then if test "x$prefix" != xNONE; then CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site" else CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" fififor ac_site_file in $CONFIG_SITE; do if test -r "$ac_site_file"; then echo "loading site script $ac_site_file" . "$ac_site_file" fidoneac_ext=c# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.ac_cpp='echo $CPP $CPPFLAGS 1>&5;$CPP $CPPFLAGS'ac_compile='echo ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5;${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'ac_link='echo ${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5;${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $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= fielse ac_n= ac_c='\c' ac_t=fi# Extract the first word of "gcc", so it can be a program name with args.set dummy gcc; ac_word=$2echo $ac_n "checking for $ac_word""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test -n "$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"fifiCC="$ac_cv_prog_CC"if test -n "$CC"; then echo "$ac_t""$CC" 1>&6else echo "$ac_t""no" 1>&6fiecho $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.c <<EOF#ifdef __GNUC__ yes;#endifEOFif ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yeselse ac_cv_prog_gcc=nofifiecho "$ac_t""$ac_cv_prog_gcc" 1>&6if test $ac_cv_prog_gcc = yes; then GCC=yeselse GCC=fiif test "${CFLAGS+set}" != set; then echo $ac_n "checking whether ${CC-cc} accepts -O""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_cc_o'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else echo 'int f(){ return 0; }' > conftest.cif test -z "`${CC-cc} -O -c conftest.c 2>&1`"; then ac_cv_prog_cc_o=yeselse ac_cv_prog_cc_o=nofirm -f conftest*fi echo "$ac_t""$ac_cv_prog_cc_o" 1>&6 if test $ac_cv_prog_cc_o = yes; then CFLAGS="-O" else CFLAGS="" fifiecho $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6# On Suns, sometimes $CPP names a directory.if test -n "$CPP" && test -d "$CPP"; then CPP=fiif test -z "$CPP"; thenif eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else # This must be in double quotes, not single quotes, because CPP may get # substituted into the Makefile and "${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 615 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFeval "$ac_cpp conftest.$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 629 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFeval "$ac_cpp conftest.$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/cppfirm -f conftest*firm -f conftest* ac_cv_prog_CPP="$CPP"fi CPP="$ac_cv_prog_CPP"else ac_cv_prog_CPP="$CPP"fiecho "$ac_t""$CPP" 1>&6# If we cannot run a trivial program, we must be cross compiling.echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test "$cross_compiling" = yes; then ac_cv_c_cross=yeselsecat > conftest.$ac_ext <<EOF#line 663 "configure"#include "confdefs.h"main(){return(0);}EOFeval $ac_linkif test -s conftest && (./conftest; exit) 2>/dev/null; then ac_cv_c_cross=noelse ac_cv_c_cross=yesfifirm -fr conftest*fiecho "$ac_t""$ac_cv_c_cross" 1>&6cross_compiling=$ac_cv_c_crossecho $ac_n "checking for function prototypes""... $ac_c" 1>&6if eval "test \"`echo '$''{'ijg_cv_have_prototypes'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 685 "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; }EOFif eval $ac_compile; then rm -rf conftest* ijg_cv_have_prototypes=yeselse rm -rf conftest* ijg_cv_have_prototypes=nofirm -f conftest*fiecho "$ac_t""$ijg_cv_have_prototypes" 1>&6if test $ijg_cv_have_prototypes = yes; then cat >> confdefs.h <<\EOF#define HAVE_PROTOTYPES EOFelse 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.fiac_safe=`echo "stddef.h" | tr './\055' '___'`echo $ac_n "checking for stddef.h""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 733 "configure"#include "confdefs.h"#include <stddef.h>EOFeval "$ac_cpp conftest.$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"firm -f conftest*fiif eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF#define HAVE_STDDEF_H EOFelse echo "$ac_t""no" 1>&6fiac_safe=`echo "stdlib.h" | tr './\055' '___'`echo $ac_n "checking for stdlib.h""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 765 "configure"#include "confdefs.h"#include <stdlib.h>EOFeval "$ac_cpp conftest.$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"firm -f conftest*fiif eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF#define HAVE_STDLIB_H EOFelse echo "$ac_t""no" 1>&6fiac_safe=`echo "string.h" | tr './\055' '___'`echo $ac_n "checking for string.h""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 797 "configure"#include "confdefs.h"#include <string.h>EOFeval "$ac_cpp conftest.$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"firm -f conftest*fiif eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 :else echo "$ac_t""no" 1>&6cat >> confdefs.h <<\EOF#define NEED_BSD_STRINGS EOFfiecho $ac_n "checking for size_t""... $ac_c" 1>&6cat > conftest.$ac_ext <<EOF#line 826 "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>#endiftypedef size_t my_size_t;int main() { return 0; }int t() { my_size_t foovar; ; return 0; }EOFif eval $ac_compile; then rm -rf conftest* ijg_size_t_ok=yeselse rm -rf conftest* ijg_size_t_ok="not ANSI, perhaps it is in sys/types.h"firm -f conftest*echo "$ac_t""$ijg_size_t_ok" 1>&6if test "$ijg_size_t_ok" != yes; thenac_safe=`echo "sys/types.h" | tr './\055' '___'`echo $ac_n "checking for sys/types.h""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 865 "configure"#include "confdefs.h"#include <sys/types.h>
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