2000-06-20

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_4@770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 231 insertions, 195 deletions

diff --git a/configure b/configure
index 6dd1dd1dd2..5e8d78d223 100644
--- a/configure
+++ b/configure
@@ -1738,31 +1738,63 @@ human*)		ac_cv_func_getpgrp_void=yes;;
 beos*)		;;
 cygwin*)	;;
 os2_emx*)	LIBS="-lm $LIBS"
-		ac_cv_lib_xpg4_setlocale=no
 		ac_cv_lib_dir_opendir=no;;
-*) LIBS="-lm $LIBS";;
-esac
-echo $ac_n "checking for crypt in -lcrypt""... $ac_c" 1>&6
-echo "configure:1747: checking for crypt in -lcrypt" >&5
-ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
+freebsd*)	LIBS="-lm $LIBS"
+		echo $ac_n "checking whether -lxpg4 has to be linked""... $ac_c" 1>&6
+echo "configure:1745: checking whether -lxpg4 has to be linked" >&5
+if eval "test \"`echo '$''{'rb_cv_lib_xpg4_needed'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 1750 "configure"
+#include "confdefs.h"
+
+#include <osreldate.h>
+#if __FreeBSD_version < 400020 || \
+   (__FreeBSD_version >= 500000 && __FreeBSD_version < 500005)
+#error needs libxpg4
+#endif
+		   
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:1761: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  rb_cv_lib_xpg4_needed=no
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  rb_cv_lib_xpg4_needed=yes
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$rb_cv_lib_xpg4_needed" 1>&6
+		if test "$rb_cv_lib_xpg4_needed" = yes; then
+			echo $ac_n "checking for setlocale in -lxpg4""... $ac_c" 1>&6
+echo "configure:1779: checking for setlocale in -lxpg4" >&5
+ac_lib_var=`echo xpg4'_'setlocale | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-lcrypt  $LIBS"
+LIBS="-lxpg4  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1755 "configure"
+#line 1787 "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 crypt();
+char setlocale();
 
 int main() {
-crypt()
+setlocale()
 ; return 0; }
 EOF
-if { (eval echo configure:1766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1777,39 +1809,43 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_lib=HAVE_LIB`echo crypt | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    ac_tr_lib=HAVE_LIB`echo xpg4 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_lib 1
 EOF
 
-  LIBS="-lcrypt $LIBS"
+  LIBS="-lxpg4 $LIBS"
 
 else
   echo "$ac_t""no" 1>&6
 fi
 
-echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:1794: checking for dlopen in -ldl" >&5
-ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
+		fi
+		;;
+*) LIBS="-lm $LIBS";;
+esac
+echo $ac_n "checking for crypt in -lcrypt""... $ac_c" 1>&6
+echo "configure:1830: checking for crypt in -lcrypt" >&5
+ac_lib_var=`echo crypt'_'crypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-ldl  $LIBS"
+LIBS="-lcrypt  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1802 "configure"
+#line 1838 "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 dlopen();
+char crypt();
 
 int main() {
-dlopen()
+crypt()
 ; return 0; }
 EOF
-if { (eval echo configure:1813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1849: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1824,39 +1860,39 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_lib=HAVE_LIB`echo dl | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    ac_tr_lib=HAVE_LIB`echo crypt | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_lib 1
 EOF
 
-  LIBS="-ldl $LIBS"
+  LIBS="-lcrypt $LIBS"
 
 else
   echo "$ac_t""no" 1>&6
 fi
-	# Dynamic linking for SunOS/Solaris and SYSV
-echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:1841: checking for shl_load in -ldld" >&5
-ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
+
+echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
+echo "configure:1877: checking for dlopen in -ldl" >&5
+ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-ldld  $LIBS"
+LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1849 "configure"
+#line 1885 "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 shl_load();
+char dlopen();
 
 int main() {
-shl_load()
+dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:1860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1896: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1871,39 +1907,39 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_lib=HAVE_LIB`echo dld | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    ac_tr_lib=HAVE_LIB`echo dl | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_lib 1
 EOF
 
-  LIBS="-ldld $LIBS"
+  LIBS="-ldl $LIBS"
 
 else
   echo "$ac_t""no" 1>&6
 fi
-	# Dynamic linking for HP-UX
-echo $ac_n "checking for setlocale in -lxpg4""... $ac_c" 1>&6
-echo "configure:1888: checking for setlocale in -lxpg4" >&5
-ac_lib_var=`echo xpg4'_'setlocale | sed 'y%./+-%__p_%'`
+	# Dynamic linking for SunOS/Solaris and SYSV
+echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
+echo "configure:1924: checking for shl_load in -ldld" >&5
+ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-lxpg4  $LIBS"
+LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1896 "configure"
+#line 1932 "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 setlocale();
+char shl_load();
 
 int main() {
-setlocale()
+shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:1907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1918,30 +1954,30 @@ LIBS="$ac_save_LIBS"
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_lib=HAVE_LIB`echo xpg4 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    ac_tr_lib=HAVE_LIB`echo dld | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
   cat >> confdefs.h <<EOF
 #define $ac_tr_lib 1
 EOF
 
-  LIBS="-lxpg4 $LIBS"
+  LIBS="-ldld $LIBS"
 
 else
   echo "$ac_t""no" 1>&6
 fi
-	# FreeBSD needs this
+	# Dynamic linking for HP-UX
 
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1940: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1976: checking for $ac_hdr that defines DIR" >&5
 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1945 "configure"
+#line 1981 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -1949,7 +1985,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:1953: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1989: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -1974,7 +2010,7 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1978: checking for opendir in -ldir" >&5
+echo "configure:2014: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1982,7 +2018,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1986 "configure"
+#line 2022 "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
@@ -1993,7 +2029,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1997: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2033: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2015,7 +2051,7 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:2019: checking for opendir in -lx" >&5
+echo "configure:2055: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2023,7 +2059,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2027 "configure"
+#line 2063 "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
@@ -2034,7 +2070,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:2038: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2074: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2057,12 +2093,12 @@ fi
 fi
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2061: checking for ANSI C header files" >&5
+echo "configure:2097: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2066 "configure"
+#line 2102 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2070,7 +2106,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2074: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2110: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2087,7 +2123,7 @@ 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 2091 "configure"
+#line 2127 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2105,7 +2141,7 @@ 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 2109 "configure"
+#line 2145 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2126,7 +2162,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2130 "configure"
+#line 2166 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2137,7 +2173,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2177: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2161,12 +2197,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:2165: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:2201: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2170 "configure"
+#line 2206 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -2182,7 +2218,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:2186: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2222: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -2208,17 +2244,17 @@ for ac_hdr in stdlib.h string.h unistd.h limits.h sys/file.h sys/ioctl.h\
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2212: checking for $ac_hdr" >&5
+echo "configure:2248: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2217 "configure"
+#line 2253 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2222: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2258: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2246,12 +2282,12 @@ done
 
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:2250: checking for uid_t in sys/types.h" >&5
+echo "configure:2286: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2255 "configure"
+#line 2291 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -2280,12 +2316,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:2284: checking for size_t" >&5
+echo "configure:2320: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2289 "configure"
+#line 2325 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2313,12 +2349,12 @@ EOF
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:2317: checking for st_blksize in struct stat" >&5
+echo "configure:2353: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2322 "configure"
+#line 2358 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -2326,7 +2362,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:2330: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2366: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -2348,12 +2384,12 @@ fi
 
 save_LIBOJBS="$LIBOBJS"
 echo $ac_n "checking for st_blocks in struct stat""... $ac_c" 1>&6
-echo "configure:2352: checking for st_blocks in struct stat" >&5
+echo "configure:2388: checking for st_blocks in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2357 "configure"
+#line 2393 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -2361,7 +2397,7 @@ int main() {
 struct stat s; s.st_blocks;
 ; return 0; }
 EOF
-if { (eval echo configure:2365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2401: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blocks=yes
 else
@@ -2385,12 +2421,12 @@ fi
 
 LIBOBJS="$save_LIBOBJS"
 echo $ac_n "checking for st_rdev in struct stat""... $ac_c" 1>&6
-echo "configure:2389: checking for st_rdev in struct stat" >&5
+echo "configure:2425: checking for st_rdev in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2394 "configure"
+#line 2430 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -2398,7 +2434,7 @@ int main() {
 struct stat s; s.st_rdev;
 ; return 0; }
 EOF
-if { (eval echo configure:2402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2438: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_rdev=yes
 else
@@ -2420,7 +2456,7 @@ fi
 
 
 echo $ac_n "checking type of array argument to getgroups""... $ac_c" 1>&6
-echo "configure:2424: checking type of array argument to getgroups" >&5
+echo "configure:2460: checking type of array argument to getgroups" >&5
 if eval "test \"`echo '$''{'ac_cv_type_getgroups'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2428,7 +2464,7 @@ else
   ac_cv_type_getgroups=cross
 else
   cat > conftest.$ac_ext <<EOF
-#line 2432 "configure"
+#line 2468 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Rendell for this test.  */
@@ -2453,7 +2489,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:2457: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2493: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
     ac_cv_type_getgroups=gid_t
 else
@@ -2467,7 +2503,7 @@ fi
 
 if test $ac_cv_type_getgroups = cross; then
         cat > conftest.$ac_ext <<EOF
-#line 2471 "configure"
+#line 2507 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -2491,12 +2527,12 @@ EOF
 
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2495: checking return type of signal handlers" >&5
+echo "configure:2531: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2500 "configure"
+#line 2536 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2513,7 +2549,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2553: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2534,19 +2570,19 @@ EOF
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:2538: checking for working alloca.h" >&5
+echo "configure:2574: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2543 "configure"
+#line 2579 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 void *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:2550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2586: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -2567,12 +2603,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:2571: checking for alloca" >&5
+echo "configure:2607: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2576 "configure"
+#line 2612 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -2600,7 +2636,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:2604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2640: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -2632,12 +2668,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:2636: checking whether alloca needs Cray hooks" >&5
+echo "configure:2672: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2641 "configure"
+#line 2677 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -2662,12 +2698,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2666: checking for $ac_func" >&5
+echo "configure:2702: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2671 "configure"
+#line 2707 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2690,7 +2726,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2730: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2717,7 +2753,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:2721: checking stack direction for C alloca" >&5
+echo "configure:2757: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2725,7 +2761,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 2729 "configure"
+#line 2765 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -2744,7 +2780,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:2748: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2784: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -2766,12 +2802,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:2770: checking for pid_t" >&5
+echo "configure:2806: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2775 "configure"
+#line 2811 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2800,17 +2836,17 @@ fi
 
 ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
-echo "configure:2804: checking for vfork.h" >&5
+echo "configure:2840: checking for vfork.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2809 "configure"
+#line 2845 "configure"
 #include "confdefs.h"
 #include <vfork.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2814: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2850: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2835,18 +2871,18 @@ else
 fi
 
 echo $ac_n "checking for working vfork""... $ac_c" 1>&6
-echo "configure:2839: checking for working vfork" >&5
+echo "configure:2875: checking for working vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   echo $ac_n "checking for vfork""... $ac_c" 1>&6
-echo "configure:2845: checking for vfork" >&5
+echo "configure:2881: checking for vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2850 "configure"
+#line 2886 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vfork(); below.  */
@@ -2869,7 +2905,7 @@ vfork();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vfork=yes"
 else
@@ -2891,7 +2927,7 @@ fi
 ac_cv_func_vfork_works=$ac_cv_func_vfork
 else
   cat > conftest.$ac_ext <<EOF
-#line 2895 "configure"
+#line 2931 "configure"
 #include "confdefs.h"
 /* Thanks to Paul Eggert for this test.  */
 #include <stdio.h>
@@ -2986,7 +3022,7 @@ main() {
   }
 }
 EOF
-if { (eval echo configure:2990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3026: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_vfork_works=yes
 else
@@ -3009,7 +3045,7 @@ EOF
 fi
 
 echo $ac_n "checking for 8-bit clean memcmp""... $ac_c" 1>&6
-echo "configure:3013: checking for 8-bit clean memcmp" >&5
+echo "configure:3049: checking for 8-bit clean memcmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_memcmp_clean'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3017,7 +3053,7 @@ else
   ac_cv_func_memcmp_clean=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3021 "configure"
+#line 3057 "configure"
 #include "confdefs.h"
 
 main()
@@ -3027,7 +3063,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3031: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3067: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_memcmp_clean=yes
 else
@@ -3049,12 +3085,12 @@ for ac_func in dup2 memmove mkdir strcasecmp strncasecmp strerror strftime\
 		 isinf isnan finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3053: checking for $ac_func" >&5
+echo "configure:3089: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3058 "configure"
+#line 3094 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3077,7 +3113,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3110,12 +3146,12 @@ for ac_func in fmod killpg drand48 random wait4 waitpid syscall getcwd\
 	      dlopen sigprocmask sigaction _setjmp setsid
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3114: checking for $ac_func" >&5
+echo "configure:3150: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3119 "configure"
+#line 3155 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3138,7 +3174,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3142: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3163,12 +3199,12 @@ fi
 done
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:3167: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:3203: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3172 "configure"
+#line 3208 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -3176,7 +3212,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:3180: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3216: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -3197,12 +3233,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:3201: checking for tm_zone in struct tm" >&5
+echo "configure:3237: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3206 "configure"
+#line 3242 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -3210,7 +3246,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:3214: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3250: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -3230,12 +3266,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:3234: checking for tzname" >&5
+echo "configure:3270: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3239 "configure"
+#line 3275 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -3245,7 +3281,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:3249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -3268,14 +3304,14 @@ fi
 
 if test "$ac_cv_func_strftime" = no; then
     cat > conftest.$ac_ext <<EOF
-#line 3272 "configure"
+#line 3308 "configure"
 #include "confdefs.h"
 
 int main() {
 extern int daylight; int i = daylight;
 ; return 0; }
 EOF
-if { (eval echo configure:3279: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_DAYLIGHT 1
@@ -3295,7 +3331,7 @@ EOF
 
 else
   echo $ac_n "checking for BSD signal semantics""... $ac_c" 1>&6
-echo "configure:3299: checking for BSD signal semantics" >&5
+echo "configure:3335: checking for BSD signal semantics" >&5
 if eval "test \"`echo '$''{'rb_cv_bsd_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3303,7 +3339,7 @@ else
   rb_cv_bsd_signal=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3307 "configure"
+#line 3343 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -3325,7 +3361,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3365: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_bsd_signal=yes
 else
@@ -3349,7 +3385,7 @@ EOF
 fi
 
 echo $ac_n "checking whether getpgrp takes no argument""... $ac_c" 1>&6
-echo "configure:3353: checking whether getpgrp takes no argument" >&5
+echo "configure:3389: checking whether getpgrp takes no argument" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getpgrp_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3357,7 +3393,7 @@ else
   { echo "configure: error: cannot check getpgrp if cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3361 "configure"
+#line 3397 "configure"
 #include "confdefs.h"
 
 /*
@@ -3412,7 +3448,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3416: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3452: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_getpgrp_void=yes
 else
@@ -3436,7 +3472,7 @@ EOF
 fi
 
 echo $ac_n "checking whether setpgrp takes no argument""... $ac_c" 1>&6
-echo "configure:3440: checking whether setpgrp takes no argument" >&5
+echo "configure:3476: checking whether setpgrp takes no argument" >&5
 if eval "test \"`echo '$''{'ac_cv_func_setpgrp_void'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3444,7 +3480,7 @@ else
   { echo "configure: error: cannot check setpgrp if cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3448 "configure"
+#line 3484 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_UNISTD_H
@@ -3464,7 +3500,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3504: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_setpgrp_void=no
 else
@@ -3489,7 +3525,7 @@ fi
   
 
 echo $ac_n "checking for working strtod""... $ac_c" 1>&6
-echo "configure:3493: checking for working strtod" >&5
+echo "configure:3529: checking for working strtod" >&5
 if eval "test \"`echo '$''{'rb_cv_func_strtod'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3497,7 +3533,7 @@ else
   rb_cv_func_strtod=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3501 "configure"
+#line 3537 "configure"
 #include "confdefs.h"
 
 double strtod ();
@@ -3527,7 +3563,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3567: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_func_strtod=yes
 else
@@ -3545,14 +3581,14 @@ echo "$ac_t""$rb_cv_func_strtod" 1>&6
 test $rb_cv_func_strtod = no && LIBOBJS="$LIBOBJS strtod.o"
 
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:3549: checking whether byte ordering is bigendian" >&5
+echo "configure:3585: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 3556 "configure"
+#line 3592 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3563,11 +3599,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3567: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3603: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 3571 "configure"
+#line 3607 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3578,7 +3614,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3582: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3618: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -3598,7 +3634,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3602 "configure"
+#line 3638 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -3611,7 +3647,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:3615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3651: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -3635,12 +3671,12 @@ EOF
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:3639: checking for working const" >&5
+echo "configure:3675: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3644 "configure"
+#line 3680 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3689,7 +3725,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3693: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3729: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -3710,14 +3746,14 @@ EOF
 fi
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:3714: checking whether char is unsigned" >&5
+echo "configure:3750: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 3721 "configure"
+#line 3757 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -3739,7 +3775,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 3743 "configure"
+#line 3779 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -3749,7 +3785,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:3753: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3789: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_char_unsigned=yes
 else
@@ -3774,7 +3810,7 @@ fi
 
 
 echo $ac_n "checking whether right shift preserve sign bit""... $ac_c" 1>&6
-echo "configure:3778: checking whether right shift preserve sign bit" >&5
+echo "configure:3814: checking whether right shift preserve sign bit" >&5
 if eval "test \"`echo '$''{'rb_cv_rshift_sign'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3782,7 +3818,7 @@ else
   rb_cv_rshift_sign=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 3786 "configure"
+#line 3822 "configure"
 #include "confdefs.h"
 
 int
@@ -3794,7 +3830,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3798: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3834: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_rshift_sign=yes
 else
@@ -3822,19 +3858,19 @@ EOF
 fi
 
 echo $ac_n "checking count field in FILE structures""... $ac_c" 1>&6
-echo "configure:3826: checking count field in FILE structures" >&5
+echo "configure:3862: checking count field in FILE structures" >&5
 if eval "test \"`echo '$''{'rb_cv_fcnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3831 "configure"
+#line 3867 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_cnt = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3838: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3874: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_fcnt="_cnt"
 else
@@ -3844,14 +3880,14 @@ fi
 rm -f conftest*
 if test "$rb_cv_fcnt" = ""; then
     cat > conftest.$ac_ext <<EOF
-#line 3848 "configure"
+#line 3884 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->__cnt = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3855: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3891: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_fcnt="__cnt"
 else
@@ -3862,14 +3898,14 @@ rm -f conftest*
 fi
 if test "$rb_cv_fcnt" = ""; then
     cat > conftest.$ac_ext <<EOF
-#line 3866 "configure"
+#line 3902 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_r = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3873: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3909: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_fcnt="_r"
 else
@@ -3880,14 +3916,14 @@ rm -f conftest*
 fi
 if test "$rb_cv_fcnt" = ""; then
     cat > conftest.$ac_ext <<EOF
-#line 3884 "configure"
+#line 3920 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->readCount = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3891: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3927: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_fcnt="readCount"
 else
@@ -3898,14 +3934,14 @@ rm -f conftest*
 fi
 if test "$rb_cv_fcnt" = ""; then
     cat > conftest.$ac_ext <<EOF
-#line 3902 "configure"
+#line 3938 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_rcount = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3909: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3945: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_fcnt="_rcount"
 else
@@ -3973,7 +4009,7 @@ fi
 
 
 echo $ac_n "checking whether ELF binaries are produced""... $ac_c" 1>&6
-echo "configure:3977: checking whether ELF binaries are produced" >&5
+echo "configure:4013: checking whether ELF binaries are produced" >&5
 if eval "test \"`echo '$''{'rb_cv_binary_elf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3981,7 +4017,7 @@ else
   rb_cv_binary_elf=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 3985 "configure"
+#line 4021 "configure"
 #include "confdefs.h"
 
 /* Test for whether ELF binaries are produced */
@@ -4001,7 +4037,7 @@ main() {
 }
 
 EOF
-if { (eval echo configure:4005: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_binary_elf=yes
 else
@@ -4049,7 +4085,7 @@ STATIC=
 if test "$with_dln_a_out" != yes; then
   rb_cv_dlopen=unknown
   echo $ac_n "checking whether OS depend dynamic link works""... $ac_c" 1>&6
-echo "configure:4053: checking whether OS depend dynamic link works" >&5
+echo "configure:4089: checking whether OS depend dynamic link works" >&5
   if test "$GCC" = yes; then
     case "$host_os" in
     nextstep*)	;;
@@ -4169,12 +4205,12 @@ if test "$ac_cv_header_a_out_h" = yes; then
   if test "$with_dln_a_out" = yes || test "$rb_cv_dlopen" = unknown; then
     cat confdefs.h > config.h
     echo $ac_n "checking whether matz's dln works""... $ac_c" 1>&6
-echo "configure:4173: checking whether matz's dln works" >&5
+echo "configure:4209: checking whether matz's dln works" >&5
 if eval "test \"`echo '$''{'rb_cv_dln_a_out'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4178 "configure"
+#line 4214 "configure"
 #include "confdefs.h"
 
 #define USE_DLN_A_OUT
@@ -4184,7 +4220,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rb_cv_dln_a_out=yes
 else
@@ -4291,7 +4327,7 @@ fi
 case "$host_os" in
   human*)
     echo $ac_n "checking for _harderr in -lsignal""... $ac_c" 1>&6
-echo "configure:4295: checking for _harderr in -lsignal" >&5
+echo "configure:4331: checking for _harderr in -lsignal" >&5
 ac_lib_var=`echo signal'_'_harderr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4299,7 +4335,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsignal  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4303 "configure"
+#line 4339 "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
@@ -4310,7 +4346,7 @@ int main() {
 _harderr()
 ; return 0; }
 EOF
-if { (eval echo configure:4314: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4338,7 +4374,7 @@ else
 fi
 
     echo $ac_n "checking for hmemset in -lhmem""... $ac_c" 1>&6
-echo "configure:4342: checking for hmemset in -lhmem" >&5
+echo "configure:4378: checking for hmemset in -lhmem" >&5
 ac_lib_var=`echo hmem'_'hmemset | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4346,7 +4382,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lhmem  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4350 "configure"
+#line 4386 "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
@@ -4357,7 +4393,7 @@ int main() {
 hmemset()
 ; return 0; }
 EOF
-if { (eval echo configure:4361: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4397: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4387,12 +4423,12 @@ fi
     for ac_func in select gettimeofday
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4391: checking for $ac_func" >&5
+echo "configure:4427: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4396 "configure"
+#line 4432 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4415,7 +4451,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4455: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4440,7 +4476,7 @@ fi
 done
 
     echo $ac_n "checking whether PD libc _dtos18 fail to convert big number""... $ac_c" 1>&6
-echo "configure:4444: checking whether PD libc _dtos18 fail to convert big number" >&5
+echo "configure:4480: checking whether PD libc _dtos18 fail to convert big number" >&5
 if eval "test \"`echo '$''{'rb_cv_missing__dtos18'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4448,7 +4484,7 @@ else
   rb_cv_missing__dtos18=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4452 "configure"
+#line 4488 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4460,7 +4496,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:4464: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_missing__dtos18=yes
 else
@@ -4482,7 +4518,7 @@ EOF
 
     fi
     echo $ac_n "checking whether PD libc fconvert fail to round""... $ac_c" 1>&6
-echo "configure:4486: checking whether PD libc fconvert fail to round" >&5
+echo "configure:4522: checking whether PD libc fconvert fail to round" >&5
 if eval "test \"`echo '$''{'rb_cv_missing_fconvert'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4490,7 +4526,7 @@ else
   rb_cv_missing_fconvert=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4494 "configure"
+#line 4530 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -4503,7 +4539,7 @@ main ()
 }
 
 EOF
-if { (eval echo configure:4507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   rb_cv_missing_fconvert=yes
 else