📄 configure
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# 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" fidoneif test -r "$cache_file"; then echo "loading cache $cache_file" . $cache_fileelse echo "creating cache $cache_file" > $cache_filefiac_ext=c# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.ac_cpp='$CPP $CPPFLAGS'ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then ac_n= ac_c='' ac_t=' ' else ac_n=-n ac_c= ac_t= fielse ac_n= ac_c='\c' ac_t=fi# Where are wetopdir=`pwd`# determine widget set (motif, tcl/tk or xt) to use# ui=motif# Check whether --with-motif or --without-motif was given.if test "${with_motif+set}" = set; then withval="$with_motif" ui=motif;location=$withvalfi# Check whether --with-tk or --without-tk was given.if test "${with_tk+set}" = set; then withval="$with_tk" ui=tk;location=$withvalfi# Check whether --with-xt or --without-xt was given.if test "${with_xt+set}" = set; then withval="$with_xt" ui=xt; location=$withvalfi# Check whether --with-text or --without-text was given.if test "${with_text+set}" = set; then withval="$with_text" ui=text; location=$withvalfiecho $ac_n "checking for POSIXized ISC""... $ac_c" 1>&6if test -d /etc/conf/kconfig.d && grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1then echo "$ac_t""yes" 1>&6 ISC=yes # If later tests want to check for ISC. cat >> confdefs.h <<\EOF#define _POSIX_SOURCE 1EOF if test "$GCC" = yes; then CC="$CC -posix" else CC="$CC -Xp" fielse echo "$ac_t""no" 1>&6 ISC=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="$ac_save_ifs"fifiCC="$ac_cv_prog_CC"if test -n "$CC"; then echo "$ac_t""$CC" 1>&6else echo "$ac_t""no" 1>&6fiif test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args.set dummy cc; 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}:" ac_prog_rejected=no for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then ac_prog_rejected=yes continue fi ac_cv_prog_CC="cc" break fi done IFS="$ac_save_ifs"if test $ac_prog_rejected = yes; then # We found a bogon in the path, so make sure we never use it. set dummy $ac_cv_prog_CC shift if test $# -gt 0; then # We chose a different compiler from the bogus one. # However, it has the same basename, so the bogon will be chosen # first if we set CC to just the basename; use the full file name. shift set dummy "$ac_dir/$ac_word" "$@" shift ac_cv_prog_CC="$@" fifififiCC="$ac_cv_prog_CC"if test -n "$CC"; then echo "$ac_t""$CC" 1>&6else echo "$ac_t""no" 1>&6fi test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }fiecho $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) $ac_c" 1>&6else cat > conftest.c <<EOF#ifdef __GNUC__ yes;#endifEOFif { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:666: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yeselse ac_cv_prog_gcc=nofifiecho "$ac_t""$ac_cv_prog_gcc" 1>&6if test $ac_cv_prog_gcc = yes; then GCC=yes if test "${CFLAGS+set}" != set; then echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else echo 'void f(){}' > conftest.cif test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then ac_cv_prog_gcc_g=yeselse ac_cv_prog_gcc_g=nofirm -f conftest*fiecho "$ac_t""$ac_cv_prog_gcc_g" 1>&6 if test $ac_cv_prog_gcc_g = yes; then CFLAGS="-g -O" else CFLAGS="-O" fi fielse GCC= test "${CFLAGS+set}" = set || CFLAGS="-g"fiecho $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 718 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"{ (eval echo configure:724: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }ac_err=`grep -v '^ *+' conftest.out`if test -z "$ac_err"; then :else echo "$ac_err" >&5 rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF#line 733 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"{ (eval echo configure:739: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }ac_err=`grep -v '^ *+' conftest.out`if test -z "$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>&6ac_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="$ac_aux_dir/install.sh -c" break fidoneif test -z "$ac_aux_dir"; then { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; }fiac_config_guess=$ac_aux_dir/config.guessac_config_sub=$ac_aux_dir/config.subac_configure=$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""... $ac_c" 1>&6if test -z "$INSTALL"; thenif eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do # Account for people who put trailing slashes in PATH elements. case "$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="$ac_save_ifs"fi if test "${ac_cv_path_install+set}" = set; then INSTALL="$ac_cv_path_install" else # As a last resort, use the slow shell script. We don't cache a # path for INSTALL within a source directory, because that will # break other packages using the cache if that directory is # removed, or if the path is relative. INSTALL="$ac_install_sh" fifiecho "$ac_t""$INSTALL" 1>&6# 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'# Extract the first word of "flex", so it can be a program name with args.set dummy flex; ac_word=$2echo $ac_n "checking for $ac_word""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test -n "$LEX"; then ac_cv_prog_LEX="$LEX" # Let the user override the test.else IFS="${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_LEX="flex" break fi done IFS="$ac_save_ifs" test -z "$ac_cv_prog_LEX" && ac_cv_prog_LEX="lex"fifiLEX="$ac_cv_prog_LEX"if test -n "$LEX"; then echo "$ac_t""$LEX" 1>&6else echo "$ac_t""no" 1>&6fiif test -z "$LEXLIB"then case "$LEX" in flex*) ac_lib=fl ;; *) ac_lib=l ;; esac echo $ac_n "checking for -l$ac_lib""... $ac_c" 1>&6ac_lib_var=`echo $ac_lib'_'yywrap | tr './+\055' '__p_'`if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else ac_save_LIBS="$LIBS"LIBS="-l$ac_lib $LIBS"cat > conftest.$ac_ext <<EOF#line 879 "configure"#include "confdefs.h"/* Override any gcc2 internal prototype to avoid an error. *//* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char yywrap();int main() { return 0; }int t() {yywrap(); return 0; }EOFif { (eval echo configure:891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then rm -rf conftest* eval "ac_cv_lib_$ac_lib_var=yes"else rm -rf conftest* eval "ac_cv_lib_$ac_lib_var=no"firm -f conftest*LIBS="$ac_save_LIBS"fiif eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then echo "$ac_t""yes" 1>&6 LEXLIB="-l$ac_lib"else echo "$ac_t""no" 1>&6fifiecho $ac_n "checking whether ln -s works""... $ac_c" 1>&6if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else rm -f conftestdataif ln -s X conftestdata 2>/dev/nullthen rm -f conftestdata ac_cv_prog_LN_S="ln -s"else ac_cv_prog_LN_S=lnfifiLN_S="$ac_cv_prog_LN_S"if test "$ac_cv_prog_LN_S" = "ln -s"; then
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