📄 configure
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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="$ac_save_ifs"fifiCC="$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>&6echo "configure:952: checking for $ac_word" >&5if eval "test \"`echo '$''{'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 $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6echo "configure:1000: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5ac_ext=c# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.ac_cpp='$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 $LIBS 1>&5'cross_compiling=$ac_cv_prog_cc_crosscat > conftest.$ac_ext <<EOF#line 1010 "configure"#include "confdefs.h"main(){return(0);}EOFif { (eval echo configure:1014: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then ac_cv_prog_cc_works=yes # If we can't run a trivial program, we are probably using a cross compiler. if (./conftest; exit) 2>/dev/null; then ac_cv_prog_cc_cross=no else ac_cv_prog_cc_cross=yes fielse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 ac_cv_prog_cc_works=nofirm -fr conftest*echo "$ac_t""$ac_cv_prog_cc_works" 1>&6if test $ac_cv_prog_cc_works = no; then { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }fiecho $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6echo "configure:1034: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6cross_compiling=$ac_cv_prog_cc_crossecho $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6echo "configure:1039: checking whether we are using GNU C" >&5if eval "test \"`echo '$''{'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:1048: \"$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 $ac_cv_prog_gcc = yes; then GCC=yes ac_test_CFLAGS="${CFLAGS+set}" ac_save_CFLAGS="$CFLAGS" CFLAGS= echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6echo "configure:1063: checking whether ${CC-cc} accepts -g" >&5if eval "test \"`echo '$''{'ac_cv_prog_cc_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_cc_g=yeselse ac_cv_prog_cc_g=nofirm -f conftest*fiecho "$ac_t""$ac_cv_prog_cc_g" 1>&6 if test "$ac_test_CFLAGS" = set; then CFLAGS="$ac_save_CFLAGS" elif test $ac_cv_prog_cc_g = yes; then CFLAGS="-g -O2" else CFLAGS="-O2" fielse GCC= test "${CFLAGS+set}" = set || CFLAGS="-g"fiecho $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6echo "configure:1091: checking how to run the C preprocessor" >&5# 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 1106 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"{ (eval echo configure:1112: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }ac_err=`grep -v '^ *+' conftest.out`if test -z "$ac_err"; then :else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF#line 1123 "configure"#include "confdefs.h"#include <assert.h>Syntax ErrorEOFac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"{ (eval echo configure:1129: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }ac_err=`grep -v '^ *+' conftest.out`if test -z "$ac_err"; then :else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&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>&6if test $ac_cv_prog_gcc = yes; then echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6echo "configure:1153: checking whether ${CC-cc} needs -traditional" >&5if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else ac_pattern="Autoconf.*'x'" cat > conftest.$ac_ext <<EOF#line 1159 "configure"#include "confdefs.h"#include <sgtty.h>Autoconf TIOCGETPEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "$ac_pattern" >/dev/null 2>&1; then rm -rf conftest* ac_cv_prog_gcc_traditional=yeselse rm -rf conftest* ac_cv_prog_gcc_traditional=nofirm -f conftest* if test $ac_cv_prog_gcc_traditional = no; then cat > conftest.$ac_ext <<EOF#line 1177 "configure"#include "confdefs.h"#include <termio.h>Autoconf TCGETAEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "$ac_pattern" >/dev/null 2>&1; then rm -rf conftest* ac_cv_prog_gcc_traditional=yesfirm -f conftest* fifiecho "$ac_t""$ac_cv_prog_gcc_traditional" 1>&6 if test $ac_cv_prog_gcc_traditional = yes; then CC="$CC -traditional" fifi# Extract the first word of "ranlib", so it can be a program name with args.set dummy ranlib; ac_word=$2echo $ac_n "checking for $ac_word""... $ac_c" 1>&6echo "configure:1201: checking for $ac_word" >&5if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test -n "$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=":"fifiRANLIB="$ac_cv_prog_RANLIB"if test -n "$RANLIB"; then echo "$ac_t""$RANLIB" 1>&6else echo "$ac_t""no" 1>&6fiecho $ac_n "checking for POSIXized ISC""... $ac_c" 1>&6echo "configure:1228: checking for POSIXized ISC" >&5if test -d /etc/conf/kconfig.d && grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1then echo "$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=fiecho $ac_n "checking for AIX""... $ac_c" 1>&6echo "configure:1249: checking for AIX" >&5cat > conftest.$ac_ext <<EOF#line 1251 "configure"#include "confdefs.h"#ifdef _AIX yes#endifEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "yes" >/dev/null 2>&1; then rm -rf conftest* echo "$ac_t""yes" 1>&6; cat >> confdefs.h <<\EOF#define _ALL_SOURCE 1EOFelse rm -rf conftest* echo "$ac_t""no" 1>&6firm -f conftest*ac_safe=`echo "minix/config.h" | sed 'y%./+-%__p_%'`echo $ac_n "checking for minix/config.h""... $ac_c" 1>&6echo "configure:1274: checking for minix/config.h" >&5if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1279 "configure"#include "confdefs.h"#include <minix/config.h>EOFac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"{ (eval echo configure:1284: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }ac_err=`grep -v '^ *+' conftest.out`if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes"else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no"firm -f conftest*fiif eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 MINIX=yeselse echo "$ac_t""no" 1>&6MINIX=fiif test "$MINIX" = yes; then cat >> confdefs.h <<\EOF#define _POSIX_SOURCE 1EOF cat >> confdefs.h <<\EOF#define _POSIX_1_SOURCE 2EOF cat >> confdefs.h <<\EOF#define _MINIX 1EOFfiecho $ac_n "checking for ${CC-cc} option to accept ANSI C""... $ac_c" 1>&6echo "configure:1325: checking for ${CC-cc} option to accept ANSI C" >&5if eval "test \"`echo '$''{'am_cv_prog_cc_stdc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else am_cv_prog_cc_stdc=noac_save_CC="$CC"# Don't try gcc -ansi; that turns off useful extensions and# breaks some systems' header files.# AIX -qlanglvl=ansi# Ultrix and OSF/1 -std1# HP-UX -Aa -D_HPUX_SOURCE# SVR4 -Xc -D__EXTENSIONS__for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"do CC="$ac_save_CC $ac_arg" cat > conftest.$ac_ext <<EOF#line 1341 "configure"#include "confdefs.h"#include <stdarg.h>#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */struct buf { int x; };FILE * (*rcsopen) (struct buf *, struct stat *, int);static char *e (p, i) char **p; int i;{ return p[i];}static char *f (char * (*g) (char **, int), char **p, ...){ char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s;}int test (int i, double x);struct s1 {int (*f) (int a);};struct s2 {int (*f) (double a);};int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);int argc;char **argv;int main() {return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];; return 0; }EOFif { (eval echo configure:1378: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* am_cv_prog_cc_stdc="$ac_arg"; breakelse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5firm -f conftest*doneCC="$ac_save_CC"
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