new version from configure.in

1 files changed, 77 insertions, 67 deletions

diff --git a/configure b/configure
index 8a23f08..d6c17e9 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 
-# From configure.in Revision: 1.21 
+# From configure.in Revision: 1.22 
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.3 
+# Generated automatically using autoconf version 2.4 
 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -232,7 +232,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.3"
+    echo "configure generated by autoconf version 2.4"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -431,7 +431,12 @@ if test -n "$withval"; then
 		without_gcc=$withval;;
 	esac
 else
-  without_gcc=no
+  
+	case `uname -s` in
+	OSF1)	CC=cc
+		without_gcc=;;
+	*)	without_gcc=no;;
+	esac
 fi
 
 echo "$ac_t""$without_gcc" 1>&6
@@ -613,7 +618,7 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 617 "configure"
+#line 622 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -627,7 +632,7 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 631 "configure"
+#line 636 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
@@ -646,13 +651,15 @@ fi
 rm -f conftest*
   ac_cv_prog_CPP="$CPP"
 fi
+  CPP="$ac_cv_prog_CPP"
+else
+  ac_cv_prog_CPP="$CPP"
 fi
-CPP="$ac_cv_prog_CPP"
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for AIX""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 656 "configure"
+#line 663 "configure"
 #include "confdefs.h"
 #ifdef _AIX
   yes
@@ -679,7 +686,7 @@ if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 683 "configure"
+#line 690 "configure"
 #include "confdefs.h"
 #include <minix/config.h>
 EOF
@@ -729,7 +736,7 @@ else
   ac_cv_c_cross=yes
 else
 cat > conftest.$ac_ext <<EOF
-#line 733 "configure"
+#line 740 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
@@ -750,7 +757,7 @@ if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 754 "configure"
+#line 761 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -772,7 +779,7 @@ 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 776 "configure"
+#line 783 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -790,7 +797,7 @@ 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 794 "configure"
+#line 801 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -811,7 +818,7 @@ if test "$cross_compiling" = yes; then
   ac_cv_header_stdc=no
 else
 cat > conftest.$ac_ext <<EOF
-#line 815 "configure"
+#line 822 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -848,7 +855,7 @@ if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 852 "configure"
+#line 859 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
@@ -885,7 +892,7 @@ if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 889 "configure"
+#line 896 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -924,7 +931,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 928 "configure"
+#line 935 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -958,7 +965,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 962 "configure"
+#line 969 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -991,7 +998,7 @@ fi
 was_it_defined=no
 echo $ac_n "checking for clock_t in time.h""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 995 "configure"
+#line 1002 "configure"
 #include "confdefs.h"
 #include <time.h>
 EOF
@@ -1015,7 +1022,7 @@ if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1019 "configure"
+#line 1026 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1046,7 +1053,7 @@ if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1050 "configure"
+#line 1057 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1077,7 +1084,7 @@ if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1081 "configure"
+#line 1088 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1108,7 +1115,7 @@ if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1112 "configure"
+#line 1119 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1145,7 +1152,7 @@ if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1149 "configure"
+#line 1156 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1176,7 +1183,7 @@ if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1180 "configure"
+#line 1187 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -1209,8 +1216,11 @@ fi
 echo $ac_n "checking MACHDEP""... $ac_c" 1>&6
 if test -z "$MACHDEP"
 then
-	ac_sys_system=`uname -s | tr -d ' ' | tr '[A-Z]' '[a-z]'`
-	ac_sys_release=`uname -r | tr -d ' ' | sed 's/\..*//'`
+	ac_sys_system=`uname -s | tr -d '[/ ]' | tr '[A-Z]' '[a-z]'`
+	ac_sys_release=`uname -r | tr -d '[/ ]' | sed 's/\..*//'`
+	ac_sys_cpu=`(uname -p 2>/dev/null || uname -m) |
+		     tr '[A-Z]' '[-a-z]'`
+##	MACHDEP="$ac_sys_system$ac_sys_release$ac_sys_cpu"
 	MACHDEP="$ac_sys_system$ac_sys_release"
 	case MACHDEP in
 	'')	MACHDEP=unknown;;
@@ -1288,7 +1298,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1292 "configure"
+#line 1302 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1327,7 +1337,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1331 "configure"
+#line 1341 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1366,7 +1376,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsun  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1370 "configure"
+#line 1380 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1413,7 +1423,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1417 "configure"
+#line 1427 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1446,7 +1456,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-linet -lnsl $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1450 "configure"
+#line 1460 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1479,7 +1489,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1483 "configure"
+#line 1493 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1528,7 +1538,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermcap  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1532 "configure"
+#line 1542 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1560,7 +1570,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltermlib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1564 "configure"
+#line 1574 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1619,7 +1629,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1623 "configure"
+#line 1633 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1661,7 +1671,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lmpc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1665 "configure"
+#line 1675 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1699,7 +1709,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1703 "configure"
+#line 1713 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -1786,14 +1796,14 @@ fi
 
 
 # checks for library functions
-for ac_func in chown clock dlopen ftime ftruncate gethostname_r gettimeofday getpeername getpgrp getpid getwd link lstat nice readlink select setgid setuid setsid setpgid setpgrp setvbuf siginterrupt symlink tcgetpgrp tcsetpgrp times truncate uname waitpid
+for ac_func in chown clock dlopen ftime ftruncate gethostname_r gettimeofday getpeername getpgrp getpid getwd link lstat nice readlink select setgid setuid setsid setpgid setpgrp setvbuf siginterrupt strftime symlink tcgetpgrp tcsetpgrp times truncate uname waitpid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1797 "configure"
+#line 1807 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1844,7 +1854,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1848 "configure"
+#line 1858 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1891,7 +1901,7 @@ if eval "test \"`echo '$''{'ac_cv_func_getpgrp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1895 "configure"
+#line 1905 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getpgrp(); below.  */
@@ -1926,7 +1936,7 @@ fi
 if eval "test \"`echo '$ac_cv_func_'getpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 1930 "configure"
+#line 1940 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() { return 0; }
@@ -1952,7 +1962,7 @@ if eval "test \"`echo '$''{'ac_cv_func_setpgrp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1956 "configure"
+#line 1966 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char setpgrp(); below.  */
@@ -1987,7 +1997,7 @@ fi
 if eval "test \"`echo '$ac_cv_func_'setpgrp`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 1991 "configure"
+#line 2001 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() { return 0; }
@@ -2013,7 +2023,7 @@ if eval "test \"`echo '$''{'ac_cv_func_gettimeofday'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2017 "configure"
+#line 2027 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gettimeofday(); below.  */
@@ -2048,7 +2058,7 @@ fi
 if eval "test \"`echo '$ac_cv_func_'gettimeofday`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   cat > conftest.$ac_ext <<EOF
-#line 2052 "configure"
+#line 2062 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() { return 0; }
@@ -2078,7 +2088,7 @@ if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2082 "configure"
+#line 2092 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -2111,7 +2121,7 @@ if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2115 "configure"
+#line 2125 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -2143,7 +2153,7 @@ if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2147 "configure"
+#line 2157 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -2174,7 +2184,7 @@ if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2178 "configure"
+#line 2188 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -2210,7 +2220,7 @@ if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2214 "configure"
+#line 2224 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() { return 0; }
@@ -2240,7 +2250,7 @@ fi
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2244 "configure"
+#line 2254 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -2272,7 +2282,7 @@ else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 2276 "configure"
+#line 2286 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -2294,7 +2304,7 @@ 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 2298 "configure"
+#line 2308 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -2328,7 +2338,7 @@ if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2332 "configure"
+#line 2342 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -2400,7 +2410,7 @@ fi
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2404 "configure"
+#line 2414 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -2425,7 +2435,7 @@ echo "$ac_t""$works" 1>&6
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2429 "configure"
+#line 2439 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -2450,7 +2460,7 @@ echo "$ac_t""$works" 1>&6
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2454 "configure"
+#line 2464 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() { return 0; }
@@ -2472,7 +2482,7 @@ echo "$ac_t""$have_prototypes" 1>&6
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2476 "configure"
+#line 2486 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -2498,7 +2508,7 @@ if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2502 "configure"
+#line 2512 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() { return 0; }
@@ -2526,7 +2536,7 @@ 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 2530 "configure"
+#line 2540 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -2558,7 +2568,7 @@ echo "$ac_t""$bad_forward" 1>&6
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
 cat > conftest.$ac_ext <<EOF
-#line 2562 "configure"
+#line 2572 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -2596,7 +2606,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2600 "configure"
+#line 2610 "configure"
 #include "confdefs.h"
 
 int main() { return 0; }
@@ -2666,7 +2676,7 @@ if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2670 "configure"
+#line 2680 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2721,7 +2731,7 @@ else
   ac_cv_func_getopt=no
 else
 cat > conftest.$ac_ext <<EOF
-#line 2725 "configure"
+#line 2735 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 extern int optind, opterr, getopt();
@@ -2822,7 +2832,7 @@ do
     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 2.3"
+    echo "$CONFIG_STATUS generated by autoconf version 2.4"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;