configure.in: Cache the results of testing for cmp's capabilities.

2003-07-20  Phil Edwards  <pme@gcc.gnu.org>

	* configure.in:  Cache the results of testing for cmp's capabilities.
	* configure:  Regenerate.

From-SVN: r69607

3 files changed, 243 insertions, 231 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2123f9c..6ce6234 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-20  Phil Edwards  <pme@gcc.gnu.org>
+
+	* configure.in:  Cache the results of testing for cmp's capabilities.
+	* configure:  Regenerate.
+
 2003-07-20  Mark Mitchell  <mark@codesourcery.com>
 
 	PR debug/11279
diff --git a/gcc/configure b/gcc/configure
index 860fb4d..3877175 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -2687,20 +2687,27 @@ fi
 # but we need to sink errors and handle broken shells.
 echo $ac_n "checking for cmp's capabilities""... $ac_c" 1>&6
 echo "configure:2690: checking for cmp's capabilities" >&5
-echo abfoo >t1
-echo cdfoo >t2
-if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
-  if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
-    make_compare_target=slowcompare
+if eval "test \"`echo '$''{'gcc_cv_prog_cmp_skip'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+   echo abfoo >t1
+  echo cdfoo >t2
+  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
+    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
+      make_compare_target=slowcompare
+    else
+      make_compare_target=gnucompare
+    fi
   else
-    make_compare_target=gnucompare
+    make_compare_target=slowcompare
   fi
-else
-  make_compare_target=slowcompare
+  rm t1 t2
+  gcc_cv_prog_cmp_skip=$make_compare_target
+
 fi
-rm t1 t2
 
-echo "$ac_t""$make_compare_target" 1>&6
+echo "$ac_t""$gcc_cv_prog_cmp_skip" 1>&6
+
 
 # How about lex?
 if test -f $srcdir/../flex/skel.c; then
@@ -2709,7 +2716,7 @@ else
   # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2713: checking for $ac_word" >&5
+echo "configure:2720: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_FLEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2746,7 +2753,7 @@ else
   # Extract the first word of "bison", so it can be a program name with args.
 set dummy bison; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2750: checking for $ac_word" >&5
+echo "configure:2757: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_BISON'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2780,12 +2787,12 @@ fi
 # --------------------
 
 echo $ac_n "checking for GNU C library""... $ac_c" 1>&6
-echo "configure:2784: checking for GNU C library" >&5
+echo "configure:2791: checking for GNU C library" >&5
 if eval "test \"`echo '$''{'gcc_cv_glibc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2789 "configure"
+#line 2796 "configure"
 #include "confdefs.h"
 #include <features.h>
 int main() {
@@ -2795,7 +2802,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:2799: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2806: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_glibc=yes
 else
@@ -2816,12 +2823,12 @@ EOF
 fi
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2820: checking for ANSI C header files" >&5
+echo "configure:2827: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2825 "configure"
+#line 2832 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2829,7 +2836,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2833: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2840: \"$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*
@@ -2846,7 +2853,7 @@ 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 2850 "configure"
+#line 2857 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2864,7 +2871,7 @@ 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 2868 "configure"
+#line 2875 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2885,7 +2892,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2889 "configure"
+#line 2896 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2896,7 +2903,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2900: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2907: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2920,12 +2927,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:2924: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:2931: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2929 "configure"
+#line 2936 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -2934,7 +2941,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:2938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2945: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -2955,19 +2962,19 @@ EOF
 fi
 
 echo $ac_n "checking for working stdbool.h""... $ac_c" 1>&6
-echo "configure:2959: checking for working stdbool.h" >&5
+echo "configure:2966: checking for working stdbool.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdbool_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2964 "configure"
+#line 2971 "configure"
 #include "confdefs.h"
 #include <stdbool.h>
 int main() {
 bool foo = false;
 ; return 0; }
 EOF
-if { (eval echo configure:2971: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2978: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_stdbool_h=yes
 else
@@ -2988,12 +2995,12 @@ EOF
 fi
 
 echo $ac_n "checking whether string.h and strings.h may both be included""... $ac_c" 1>&6
-echo "configure:2992: checking whether string.h and strings.h may both be included" >&5
+echo "configure:2999: checking whether string.h and strings.h may both be included" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_string'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2997 "configure"
+#line 3004 "configure"
 #include "confdefs.h"
 #include <string.h>
 #include <strings.h>
@@ -3001,7 +3008,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3005: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3012: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_header_string=yes
 else
@@ -3022,12 +3029,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
-echo "configure:3026: checking for sys/wait.h that is POSIX.1 compatible" >&5
+echo "configure:3033: checking for sys/wait.h that is POSIX.1 compatible" >&5
 if eval "test \"`echo '$''{'ac_cv_header_sys_wait_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3031 "configure"
+#line 3038 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -3043,7 +3050,7 @@ wait (&s);
 s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
 ; return 0; }
 EOF
-if { (eval echo configure:3047: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_sys_wait_h=yes
 else
@@ -3070,17 +3077,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h \
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3074: checking for $ac_hdr" >&5
+echo "configure:3081: 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 3079 "configure"
+#line 3086 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3084: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3091: \"$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*
@@ -3110,17 +3117,17 @@ done
 # Check for thread headers.
 ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for thread.h""... $ac_c" 1>&6
-echo "configure:3114: checking for thread.h" >&5
+echo "configure:3121: checking for thread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3119 "configure"
+#line 3126 "configure"
 #include "confdefs.h"
 #include <thread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3124: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3131: \"$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*
@@ -3144,17 +3151,17 @@ fi
 
 ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for pthread.h""... $ac_c" 1>&6
-echo "configure:3148: checking for pthread.h" >&5
+echo "configure:3155: checking for pthread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3153 "configure"
+#line 3160 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3158: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3165: \"$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*
@@ -3179,12 +3186,12 @@ fi
 
 # These tests can't be done till we know if we have limits.h.
 echo $ac_n "checking for CHAR_BIT""... $ac_c" 1>&6
-echo "configure:3183: checking for CHAR_BIT" >&5
+echo "configure:3190: checking for CHAR_BIT" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_char_bit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3188 "configure"
+#line 3195 "configure"
 #include "confdefs.h"
 #ifdef HAVE_LIMITS_H
 #include <limits.h>
@@ -3209,7 +3216,7 @@ fi
 echo "$ac_t""$gcc_cv_decl_char_bit" 1>&6
 if test $gcc_cv_decl_char_bit = no; then
   echo $ac_n "checking number of bits in a byte""... $ac_c" 1>&6
-echo "configure:3213: checking number of bits in a byte" >&5
+echo "configure:3220: checking number of bits in a byte" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_nbby'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3217,7 +3224,7 @@ else
  gcc_cv_c_nbby=
  while test $i -lt 65; do
    cat > conftest.$ac_ext <<EOF
-#line 3221 "configure"
+#line 3228 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3227,7 +3234,7 @@ switch(0) {
   ; }
 ; return 0; }
 EOF
-if { (eval echo configure:3231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3238: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_nbby=$i; break
 else
@@ -3252,14 +3259,14 @@ EOF
 fi
 fi
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:3256: checking whether byte ordering is bigendian" >&5
+echo "configure:3263: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'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 3263 "configure"
+#line 3270 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3270,11 +3277,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3281: \"$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 3278 "configure"
+#line 3285 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -3285,7 +3292,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3289: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3296: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -3305,7 +3312,7 @@ if test "$cross_compiling" = yes; then
    echo $ac_n "cross-compiling... " 2>&6 
 else
   cat > conftest.$ac_ext <<EOF
-#line 3309 "configure"
+#line 3316 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -3318,7 +3325,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:3322: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3329: \"$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
@@ -3336,7 +3343,7 @@ fi
 echo "$ac_t""$ac_cv_c_bigendian" 1>&6
 if test $ac_cv_c_bigendian = unknown; then
 echo $ac_n "checking to probe for byte ordering""... $ac_c" 1>&6
-echo "configure:3340: checking to probe for byte ordering" >&5
+echo "configure:3347: checking to probe for byte ordering" >&5
 
 cat >conftest.c <<EOF
 short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
@@ -3416,7 +3423,7 @@ esac
 # These libraries may be used by collect2.
 # We may need a special search path to get them linked.
 echo $ac_n "checking for collect2 libraries""... $ac_c" 1>&6
-echo "configure:3420: checking for collect2 libraries" >&5
+echo "configure:3427: checking for collect2 libraries" >&5
 if eval "test \"`echo '$''{'gcc_cv_collect2_libs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3427,7 +3434,7 @@ for libs in '' -lld -lmld \
 do
 	LIBS="$libs"
 	cat > conftest.$ac_ext <<EOF
-#line 3431 "configure"
+#line 3438 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3438,7 +3445,7 @@ int main() {
 ldopen()
 ; return 0; }
 EOF
-if { (eval echo configure:3442: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   gcc_cv_collect2_libs="$libs"; break
 else
@@ -3464,14 +3471,14 @@ save_LIBS="$LIBS"
 LIBS=
 
 echo $ac_n "checking for library containing exc_resume""... $ac_c" 1>&6
-echo "configure:3468: checking for library containing exc_resume" >&5
+echo "configure:3475: checking for library containing exc_resume" >&5
 if eval "test \"`echo '$''{'ac_cv_search_exc_resume'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_func_search_save_LIBS="$LIBS"
 ac_cv_search_exc_resume="no"
 cat > conftest.$ac_ext <<EOF
-#line 3475 "configure"
+#line 3482 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3482,7 +3489,7 @@ int main() {
 exc_resume()
 ; return 0; }
 EOF
-if { (eval echo configure:3486: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3493: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_exc_resume="none required"
 else
@@ -3493,7 +3500,7 @@ rm -f conftest*
 test "$ac_cv_search_exc_resume" = "no" && for i in exc; do
 LIBS="-l$i  $ac_func_search_save_LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3497 "configure"
+#line 3504 "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
@@ -3504,7 +3511,7 @@ int main() {
 exc_resume()
 ; return 0; }
 EOF
-if { (eval echo configure:3508: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3515: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_exc_resume="-l$i"
 break
@@ -3534,14 +3541,14 @@ save_LIBS="$LIBS"
 LIBS=
 
 echo $ac_n "checking for library containing ldexp""... $ac_c" 1>&6
-echo "configure:3538: checking for library containing ldexp" >&5
+echo "configure:3545: checking for library containing ldexp" >&5
 if eval "test \"`echo '$''{'ac_cv_search_ldexp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_func_search_save_LIBS="$LIBS"
 ac_cv_search_ldexp="no"
 cat > conftest.$ac_ext <<EOF
-#line 3545 "configure"
+#line 3552 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3552,7 +3559,7 @@ int main() {
 ldexp()
 ; return 0; }
 EOF
-if { (eval echo configure:3556: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_ldexp="none required"
 else
@@ -3563,7 +3570,7 @@ rm -f conftest*
 test "$ac_cv_search_ldexp" = "no" && for i in m; do
 LIBS="-l$i  $ac_func_search_save_LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3567 "configure"
+#line 3574 "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
@@ -3574,7 +3581,7 @@ int main() {
 ldexp()
 ; return 0; }
 EOF
-if { (eval echo configure:3578: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3585: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_ldexp="-l$i"
 break
@@ -3601,12 +3608,12 @@ LIBS="$save_LIBS"
 # Use <inttypes.h> only if it exists,
 # doesn't clash with <sys/types.h>, and declares intmax_t.
 echo $ac_n "checking for inttypes.h""... $ac_c" 1>&6
-echo "configure:3605: checking for inttypes.h" >&5
+echo "configure:3612: checking for inttypes.h" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3610 "configure"
+#line 3617 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
@@ -3614,7 +3621,7 @@ int main() {
 intmax_t i = -1;
 ; return 0; }
 EOF
-if { (eval echo configure:3618: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3625: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_header_inttypes_h=yes
 else
@@ -3642,12 +3649,12 @@ for ac_func in times clock dup2 kill getrlimit setrlimit atoll atoq \
         setlocale
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3646: checking for $ac_func" >&5
+echo "configure:3653: 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 3651 "configure"
+#line 3658 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3670,7 +3677,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3681: \"$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
@@ -3697,7 +3704,7 @@ done
 
 if test x$ac_cv_func_mbstowcs = xyes; then
   echo $ac_n "checking whether mbstowcs works""... $ac_c" 1>&6
-echo "configure:3701: checking whether mbstowcs works" >&5
+echo "configure:3708: checking whether mbstowcs works" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_mbstowcs_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3705,7 +3712,7 @@ else
   gcc_cv_func_mbstowcs_works=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 3709 "configure"
+#line 3716 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main()
@@ -3714,7 +3721,7 @@ int main()
   return 0;
 }
 EOF
-if { (eval echo configure:3718: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gcc_cv_func_mbstowcs_works=yes
 else
@@ -3738,12 +3745,12 @@ EOF
 fi
 
 echo $ac_n "checking for ssize_t""... $ac_c" 1>&6
-echo "configure:3742: checking for ssize_t" >&5
+echo "configure:3749: checking for ssize_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_ssize_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3747 "configure"
+#line 3754 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3774,12 +3781,12 @@ fi
 # Try to determine the array type of the second argument of getgroups
 # for the target system (int or gid_t).
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:3778: checking for uid_t in sys/types.h" >&5
+echo "configure:3785: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3783 "configure"
+#line 3790 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -3808,7 +3815,7 @@ EOF
 fi
 
 echo $ac_n "checking type of array argument to getgroups""... $ac_c" 1>&6
-echo "configure:3812: checking type of array argument to getgroups" >&5
+echo "configure:3819: checking type of array argument to getgroups" >&5
 if eval "test \"`echo '$''{'ac_cv_type_getgroups'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3816,7 +3823,7 @@ else
   ac_cv_type_getgroups=cross
 else
   cat > conftest.$ac_ext <<EOF
-#line 3820 "configure"
+#line 3827 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Rendell for this test.  */
@@ -3841,7 +3848,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:3845: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3852: \"$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
@@ -3855,7 +3862,7 @@ fi
 
 if test $ac_cv_type_getgroups = cross; then
         cat > conftest.$ac_ext <<EOF
-#line 3859 "configure"
+#line 3866 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -3896,7 +3903,7 @@ fi
 
 
 echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6
-echo "configure:3900: checking whether the printf functions support %p" >&5
+echo "configure:3907: checking whether the printf functions support %p" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3904,7 +3911,7 @@ else
   gcc_cv_func_printf_ptr=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 3908 "configure"
+#line 3915 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 
@@ -3917,7 +3924,7 @@ int main()
   return (p != q);
 }
 EOF
-if { (eval echo configure:3921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gcc_cv_func_printf_ptr=yes
 else
@@ -3947,7 +3954,7 @@ if test $ac_cv_header_sys_mman_h != yes \
    gcc_cv_func_mmap_anon=no
 else
    echo $ac_n "checking whether read-only mmap of a plain file works""... $ac_c" 1>&6
-echo "configure:3951: checking whether read-only mmap of a plain file works" >&5
+echo "configure:3958: checking whether read-only mmap of a plain file works" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_mmap_file'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3966,7 +3973,7 @@ fi
 
 echo "$ac_t""$gcc_cv_func_mmap_file" 1>&6
    echo $ac_n "checking whether mmap from /dev/zero works""... $ac_c" 1>&6
-echo "configure:3970: checking whether mmap from /dev/zero works" >&5
+echo "configure:3977: checking whether mmap from /dev/zero works" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_mmap_dev_zero'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3992,12 +3999,12 @@ echo "$ac_t""$gcc_cv_func_mmap_dev_zero" 1>&6
 
    # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
    echo $ac_n "checking for MAP_ANON(YMOUS)""... $ac_c" 1>&6
-echo "configure:3996: checking for MAP_ANON(YMOUS)" >&5
+echo "configure:4003: checking for MAP_ANON(YMOUS)" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_map_anon'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4001 "configure"
+#line 4008 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/mman.h>
@@ -4011,7 +4018,7 @@ int main() {
 int n = MAP_ANONYMOUS;
 ; return 0; }
 EOF
-if { (eval echo configure:4015: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4022: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_decl_map_anon=yes
 else
@@ -4029,7 +4036,7 @@ echo "$ac_t""$gcc_cv_decl_map_anon" 1>&6
      gcc_cv_func_mmap_anon=no
    else
      echo $ac_n "checking whether mmap with MAP_ANON(YMOUS) works""... $ac_c" 1>&6
-echo "configure:4033: checking whether mmap with MAP_ANON(YMOUS) works" >&5
+echo "configure:4040: checking whether mmap with MAP_ANON(YMOUS) works" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_mmap_anon'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4084,12 +4091,12 @@ case "${host}" in
   ;;
 esac
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:4088: checking for pid_t" >&5
+echo "configure:4095: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4093 "configure"
+#line 4100 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -4118,17 +4125,17 @@ fi
 
 ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
-echo "configure:4122: checking for vfork.h" >&5
+echo "configure:4129: checking for vfork.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4127 "configure"
+#line 4134 "configure"
 #include "confdefs.h"
 #include <vfork.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4132: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4139: \"$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*
@@ -4153,18 +4160,18 @@ else
 fi
 
 echo $ac_n "checking for working vfork""... $ac_c" 1>&6
-echo "configure:4157: checking for working vfork" >&5
+echo "configure:4164: checking for working vfork" >&5
 if eval "test \"`echo '$''{'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""... $ac_c" 1>&6
-echo "configure:4163: checking for vfork" >&5
+echo "configure:4170: checking for vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4168 "configure"
+#line 4175 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vfork(); below.  */
@@ -4187,7 +4194,7 @@ vfork();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4191: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4198: \"$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
@@ -4209,7 +4216,7 @@ fi
 ac_cv_func_vfork_works=$ac_cv_func_vfork
 else
   cat > conftest.$ac_ext <<EOF
-#line 4213 "configure"
+#line 4220 "configure"
 #include "confdefs.h"
 /* Thanks to Paul Eggert for this test.  */
 #include <stdio.h>
@@ -4304,7 +4311,7 @@ main() {
   }
 }
 EOF
-if { (eval echo configure:4308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4315: \"$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
@@ -4343,7 +4350,7 @@ fi
 
 
   echo $ac_n "checking for iconv""... $ac_c" 1>&6
-echo "configure:4347: checking for iconv" >&5
+echo "configure:4354: checking for iconv" >&5
 if eval "test \"`echo '$''{'am_cv_func_iconv'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4351,7 +4358,7 @@ else
     am_cv_func_iconv="no, consider installing GNU libiconv"
     am_cv_lib_iconv=no
     cat > conftest.$ac_ext <<EOF
-#line 4355 "configure"
+#line 4362 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <iconv.h>
@@ -4361,7 +4368,7 @@ iconv_t cd = iconv_open("","");
        iconv_close(cd);
 ; return 0; }
 EOF
-if { (eval echo configure:4365: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4372: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   am_cv_func_iconv=yes
 else
@@ -4373,7 +4380,7 @@ rm -f conftest*
       am_save_LIBS="$LIBS"
       LIBS="$LIBS $am_cv_libiconv_ldpath -liconv"
       cat > conftest.$ac_ext <<EOF
-#line 4377 "configure"
+#line 4384 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <iconv.h>
@@ -4383,7 +4390,7 @@ iconv_t cd = iconv_open("","");
          iconv_close(cd);
 ; return 0; }
 EOF
-if { (eval echo configure:4387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4394: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   am_cv_lib_iconv=yes
         am_cv_func_iconv=yes
@@ -4404,13 +4411,13 @@ echo "$ac_t""$am_cv_func_iconv" 1>&6
 EOF
 
     echo $ac_n "checking for iconv declaration""... $ac_c" 1>&6
-echo "configure:4408: checking for iconv declaration" >&5
+echo "configure:4415: checking for iconv declaration" >&5
     if eval "test \"`echo '$''{'am_cv_proto_iconv'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4414 "configure"
+#line 4421 "configure"
 #include "confdefs.h"
 
 #include <stdlib.h>
@@ -4429,7 +4436,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:4433: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   am_cv_proto_iconv_arg1=""
 else
@@ -4462,19 +4469,19 @@ LIBICONV_DEP=
 
 
   echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:4466: checking for LC_MESSAGES" >&5
+echo "configure:4473: checking for LC_MESSAGES" >&5
 if eval "test \"`echo '$''{'am_cv_val_LC_MESSAGES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4471 "configure"
+#line 4478 "configure"
 #include "confdefs.h"
 #include <locale.h>
 int main() {
 return LC_MESSAGES
 ; return 0; }
 EOF
-if { (eval echo configure:4478: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4485: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   am_cv_val_LC_MESSAGES=yes
 else
@@ -4505,12 +4512,12 @@ for ac_func in getenv atol sbrk abort atof getcwd getwd \
 do
   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:4509: checking whether $ac_func is declared" >&5
+echo "configure:4516: checking whether $ac_func is declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4514 "configure"
+#line 4521 "configure"
 #include "confdefs.h"
 #undef $ac_tr_decl
 #define $ac_tr_decl 1
@@ -4524,7 +4531,7 @@ char *(*pfn) = (char *(*)) $ac_func ;
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4528: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4535: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_have_decl_$ac_func=yes"
 else
@@ -4626,12 +4633,12 @@ for ac_func in getrlimit setrlimit getrusage
 do
   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:4630: checking whether $ac_func is declared" >&5
+echo "configure:4637: checking whether $ac_func is declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4635 "configure"
+#line 4642 "configure"
 #include "confdefs.h"
 #undef $ac_tr_decl
 #define $ac_tr_decl 1
@@ -4649,7 +4656,7 @@ char *(*pfn) = (char *(*)) $ac_func ;
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4653: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4660: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_have_decl_$ac_func=yes"
 else
@@ -4688,7 +4695,7 @@ fi
 
 
 cat > conftest.$ac_ext <<EOF
-#line 4692 "configure"
+#line 4699 "configure"
 #include "confdefs.h"
 
 #include "ansidecl.h"
@@ -4701,7 +4708,7 @@ int main() {
 rlim_t l = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4705: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4718,12 +4725,12 @@ for ac_func in ldgetname
 do
   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:4722: checking whether $ac_func is declared" >&5
+echo "configure:4729: checking whether $ac_func is declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4727 "configure"
+#line 4734 "configure"
 #include "confdefs.h"
 #undef $ac_tr_decl
 #define $ac_tr_decl 1
@@ -4741,7 +4748,7 @@ char *(*pfn) = (char *(*)) $ac_func ;
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4745: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4752: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_have_decl_$ac_func=yes"
 else
@@ -4777,12 +4784,12 @@ for ac_func in times
 do
   ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 echo $ac_n "checking whether $ac_func is declared""... $ac_c" 1>&6
-echo "configure:4781: checking whether $ac_func is declared" >&5
+echo "configure:4788: checking whether $ac_func is declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_have_decl_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4786 "configure"
+#line 4793 "configure"
 #include "confdefs.h"
 #undef $ac_tr_decl
 #define $ac_tr_decl 1
@@ -4800,7 +4807,7 @@ char *(*pfn) = (char *(*)) $ac_func ;
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:4804: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4811: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_have_decl_$ac_func=yes"
 else
@@ -4834,13 +4841,13 @@ fi
 
 # More time-related stuff.
 echo $ac_n "checking for struct tms""... $ac_c" 1>&6
-echo "configure:4838: checking for struct tms" >&5
+echo "configure:4845: checking for struct tms" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tms'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 cat > conftest.$ac_ext <<EOF
-#line 4844 "configure"
+#line 4851 "configure"
 #include "confdefs.h"
 
 #include "ansidecl.h"
@@ -4853,7 +4860,7 @@ int main() {
 struct tms tms;
 ; return 0; }
 EOF
-if { (eval echo configure:4857: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4864: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tms=yes
 else
@@ -4876,13 +4883,13 @@ fi
 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
 # revisit after autoconf 2.50.
 echo $ac_n "checking for clock_t""... $ac_c" 1>&6
-echo "configure:4880: checking for clock_t" >&5
+echo "configure:4887: checking for clock_t" >&5
 if eval "test \"`echo '$''{'gcc_cv_type_clock_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 cat > conftest.$ac_ext <<EOF
-#line 4886 "configure"
+#line 4893 "configure"
 #include "confdefs.h"
 
 #include "ansidecl.h"
@@ -4892,7 +4899,7 @@ int main() {
 clock_t x;
 ; return 0; }
 EOF
-if { (eval echo configure:4896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4903: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_type_clock_t=yes
 else
@@ -4913,12 +4920,12 @@ EOF
 fi
 
 echo $ac_n "checking for uchar""... $ac_c" 1>&6
-echo "configure:4917: checking for uchar" >&5
+echo "configure:4924: checking for uchar" >&5
 if eval "test \"`echo '$''{'gcc_cv_type_uchar'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4922 "configure"
+#line 4929 "configure"
 #include "confdefs.h"
 
 #include "ansidecl.h"
@@ -4929,7 +4936,7 @@ if ((uchar *)0) return 0;
  if (sizeof(uchar)) return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:4933: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4940: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_uchar=yes
 else
@@ -4959,7 +4966,7 @@ if test "${enable_initfini_array+set}" = set; then
 else
   
 echo $ac_n "checking for .preinit_array/.init_array/.fini_array support""... $ac_c" 1>&6
-echo "configure:4963: checking for .preinit_array/.init_array/.fini_array support" >&5
+echo "configure:4970: checking for .preinit_array/.init_array/.fini_array support" >&5
 if eval "test \"`echo '$''{'gcc_cv_initfini_array'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4967,7 +4974,7 @@ else
   gcc_cv_initfini_array=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 4971 "configure"
+#line 4978 "configure"
 #include "confdefs.h"
 
 static int x = -1;
@@ -4975,7 +4982,7 @@ int main (void) { return x; }
 int foo (void) { x = 0; }
 int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
 EOF
-if { (eval echo configure:4979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4986: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   gcc_cv_initfini_array=yes
 else
@@ -5003,12 +5010,12 @@ fi
 
 # mkdir takes a single argument on some systems. 
 echo $ac_n "checking if mkdir takes one argument""... $ac_c" 1>&6
-echo "configure:5007: checking if mkdir takes one argument" >&5
+echo "configure:5014: checking if mkdir takes one argument" >&5
 if eval "test \"`echo '$''{'gcc_cv_mkdir_takes_one_arg'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5012 "configure"
+#line 5019 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -5025,7 +5032,7 @@ int main() {
 mkdir ("foo", 0);
 ; return 0; }
 EOF
-if { (eval echo configure:5029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5036: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_mkdir_takes_one_arg=no
 else
@@ -5065,7 +5072,7 @@ fi
 
 
 echo $ac_n "checking for main in -lunwind""... $ac_c" 1>&6
-echo "configure:5069: checking for main in -lunwind" >&5
+echo "configure:5076: checking for main in -lunwind" >&5
 ac_lib_var=`echo unwind'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5073,14 +5080,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lunwind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5077 "configure"
+#line 5084 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:5084: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5091: \"$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
@@ -5375,7 +5382,7 @@ if test -f ../intl/config.intl; then
   . ../intl/config.intl
 fi
 echo $ac_n "checking whether NLS is requested""... $ac_c" 1>&6
-echo "configure:5379: checking whether NLS is requested" >&5
+echo "configure:5386: checking whether NLS is requested" >&5
 if test x"$USE_NLS" != xyes; then
   echo "$ac_t""no" 1>&6
 else
@@ -5386,7 +5393,7 @@ EOF
 
 
   echo $ac_n "checking for catalogs to be installed""... $ac_c" 1>&6
-echo "configure:5390: checking for catalogs to be installed" >&5
+echo "configure:5397: checking for catalogs to be installed" >&5
   # Look for .po and .gmo files in the source directory.
   CATALOGS=  
   XLINGUAS=
@@ -5436,7 +5443,7 @@ fi
 case $host_os in
 	win32 | pe | cygwin* | mingw32* | uwin*)
 echo $ac_n "checking whether windows registry support is requested""... $ac_c" 1>&6
-echo "configure:5440: checking whether windows registry support is requested" >&5
+echo "configure:5447: checking whether windows registry support is requested" >&5
 if test "x$enable_win32_registry" != xno; then
   cat >> confdefs.h <<\EOF
 #define ENABLE_WIN32_REGISTRY 1
@@ -5445,14 +5452,14 @@ EOF
   echo "$ac_t""yes" 1>&6
   
 echo $ac_n "checking for library containing RegOpenKeyExA""... $ac_c" 1>&6
-echo "configure:5449: checking for library containing RegOpenKeyExA" >&5
+echo "configure:5456: checking for library containing RegOpenKeyExA" >&5
 if eval "test \"`echo '$''{'ac_cv_search_RegOpenKeyExA'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_func_search_save_LIBS="$LIBS"
 ac_cv_search_RegOpenKeyExA="no"
 cat > conftest.$ac_ext <<EOF
-#line 5456 "configure"
+#line 5463 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5463,7 +5470,7 @@ int main() {
 RegOpenKeyExA()
 ; return 0; }
 EOF
-if { (eval echo configure:5467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5474: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_RegOpenKeyExA="none required"
 else
@@ -5474,7 +5481,7 @@ rm -f conftest*
 test "$ac_cv_search_RegOpenKeyExA" = "no" && for i in advapi32; do
 LIBS="-l$i  $ac_func_search_save_LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5478 "configure"
+#line 5485 "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
@@ -5485,7 +5492,7 @@ int main() {
 RegOpenKeyExA()
 ; return 0; }
 EOF
-if { (eval echo configure:5489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5496: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_RegOpenKeyExA="-l$i"
 break
@@ -5527,7 +5534,7 @@ esac
 
 if test "x$enable_win32_registry" != xno; then
   echo $ac_n "checking registry key on windows hosts""... $ac_c" 1>&6
-echo "configure:5531: checking registry key on windows hosts" >&5
+echo "configure:5538: checking registry key on windows hosts" >&5
   cat >> confdefs.h <<EOF
 #define WIN32_REGISTRY_KEY "$gcc_cv_win32_registry_key"
 EOF
@@ -5737,7 +5744,7 @@ esac
 # build->target assembler and hope that it will have the same features
 # as the host->target assembler we'll be using.
 echo $ac_n "checking what assembler to use""... $ac_c" 1>&6
-echo "configure:5741: checking what assembler to use" >&5
+echo "configure:5748: checking what assembler to use" >&5
 in_tree_gas=no
 gcc_cv_as=
 gcc_cv_gas_major_version=
@@ -5858,7 +5865,7 @@ esac
 # build->target linker and hope that it will have the same features
 # as the host->target linker we'll be using.
 echo $ac_n "checking what linker to use""... $ac_c" 1>&6
-echo "configure:5862: checking what linker to use" >&5
+echo "configure:5869: checking what linker to use" >&5
 in_tree_ld=no
 gcc_cv_ld=
 gcc_cv_gld_major_version=
@@ -5966,7 +5973,7 @@ esac
 # Figure out what nm we will be using.
 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
 echo $ac_n "checking what nm to use""... $ac_c" 1>&6
-echo "configure:5970: checking what nm to use" >&5
+echo "configure:5977: checking what nm to use" >&5
 in_tree_nm=no
 if test -x nm$host_exeext; then
 	gcc_cv_nm=./nm$host_exeext
@@ -5989,7 +5996,7 @@ esac
 
 # Figure out what objdump we will be using.
 echo $ac_n "checking what objdump to use""... $ac_c" 1>&6
-echo "configure:5993: checking what objdump to use" >&5
+echo "configure:6000: checking what objdump to use" >&5
 in_tree_objdump=no
 if test -x objdump$host_exeext; then
 	gcc_cv_objdump=./objdump$host_exeext
@@ -6014,7 +6021,7 @@ esac
 
 # Figure out what assembler alignment features are present.
 echo $ac_n "checking assembler for .balign and .p2align""... $ac_c" 1>&6
-echo "configure:6018: checking assembler for .balign and .p2align" >&5
+echo "configure:6025: checking assembler for .balign and .p2align" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_balign_and_p2align'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6026,7 +6033,7 @@ fi
   elif test x$gcc_cv_as != x; then
     echo '.balign 4
 .p2align 2' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6030: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6037: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_balign_and_p2align=yes
     else
@@ -6046,7 +6053,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for .p2align with maximum skip""... $ac_c" 1>&6
-echo "configure:6050: checking assembler for .p2align with maximum skip" >&5
+echo "configure:6057: checking assembler for .p2align with maximum skip" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_max_skip_p2align'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6057,7 +6064,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '.p2align 4,,7' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6061: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6068: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_max_skip_p2align=yes
     else
@@ -6077,7 +6084,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for working .subsection -1""... $ac_c" 1>&6
-echo "configure:6081: checking assembler for working .subsection -1" >&5
+echo "configure:6088: checking assembler for working .subsection -1" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_subsection_m1'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6092,7 +6099,7 @@ fi
 .subsection -1
 conftest_label2: .word 0
 .previous' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6096: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6103: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	if test x$gcc_cv_nm != x; then
     $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
@@ -6120,7 +6127,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for .weak""... $ac_c" 1>&6
-echo "configure:6124: checking assembler for .weak" >&5
+echo "configure:6131: checking assembler for .weak" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_weak'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6131,7 +6138,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '	.weak foobar' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6135: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6142: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_weak=yes
     else
@@ -6158,7 +6165,7 @@ fi
 # to be safe.
 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
 echo $ac_n "checking assembler for .hidden""... $ac_c" 1>&6
-echo "configure:6162: checking assembler for .hidden" >&5
+echo "configure:6169: checking assembler for .hidden" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6171,7 +6178,7 @@ fi
   elif test x$gcc_cv_as != x; then
     echo '	.hidden foobar
 foobar:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6175: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6182: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_hidden=yes
     else
@@ -6186,7 +6193,7 @@ echo "$ac_t""$gcc_cv_as_hidden" 1>&6
 
 
 echo $ac_n "checking linker for .hidden support""... $ac_c" 1>&6
-echo "configure:6190: checking linker for .hidden support" >&5
+echo "configure:6197: checking linker for .hidden support" >&5
 if eval "test \"`echo '$''{'gcc_cv_ld_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6260,7 +6267,7 @@ fi
 
 # Check if we have .[us]leb128, and support symbol arithmetic with it.
 echo $ac_n "checking assembler for .sleb128 and .uleb128""... $ac_c" 1>&6
-echo "configure:6264: checking assembler for .sleb128 and .uleb128" >&5
+echo "configure:6271: checking assembler for .sleb128 and .uleb128" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_leb128'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6277,7 +6284,7 @@ L1:
 	.uleb128 1280
 	.sleb128 -1010
 L2:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6281: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6288: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	# GAS versions before 2.11 do not support uleb128,
   # despite appearing to.
@@ -6313,7 +6320,7 @@ fi
 # GAS versions up to and including 2.11.0 may mis-optimize
 # .eh_frame data.
 echo $ac_n "checking assembler for eh_frame optimization""... $ac_c" 1>&6
-echo "configure:6317: checking assembler for eh_frame optimization" >&5
+echo "configure:6324: checking assembler for eh_frame optimization" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_eh_frame'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6356,7 +6363,7 @@ __FRAME_BEGIN__:
 	.byte	0x4
 	.4byte	.L1-.LFB1
 .LEFDE1:' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6360: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6367: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	  cat > conftest.lit <<EOF
  0000 10000000 00000000 017a0001 781a0004  .........z..x...
@@ -6377,7 +6384,7 @@ EOF
     || cmp conftest.big conftest.got > /dev/null 2>&1; }
   then
     gcc_cv_as_eh_frame=yes
-  elif { ac_try='$gcc_cv_as -o conftest.o --traditional-format /dev/null'; { (eval echo configure:6381: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  elif { ac_try='$gcc_cv_as -o conftest.o --traditional-format /dev/null'; { (eval echo configure:6388: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     gcc_cv_as_eh_frame=buggy
   else
     # Uh oh, what do we do now?
@@ -6402,7 +6409,7 @@ EOF
 fi
 
 echo $ac_n "checking assembler for section merging support""... $ac_c" 1>&6
-echo "configure:6406: checking assembler for section merging support" >&5
+echo "configure:6413: checking assembler for section merging support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_shf_merge'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6414,7 +6421,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
-    if { ac_try='$gcc_cv_as --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6418: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6425: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_shf_merge=yes
     else
@@ -6613,7 +6620,7 @@ if test -z "$tls_first_major"; then
   : # If we don't have a check, assume no support.
 else
   echo $ac_n "checking assembler for thread-local storage support""... $ac_c" 1>&6
-echo "configure:6617: checking assembler for thread-local storage support" >&5
+echo "configure:6624: checking assembler for thread-local storage support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_tls'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6624,7 +6631,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6628: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s >&5'; { (eval echo configure:6635: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_tls=yes
     else
@@ -6650,7 +6657,7 @@ case "$target" in
   # All TARGET_ABI_OSF targets.
   alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:6654: checking assembler for explicit relocation support" >&5
+echo "configure:6661: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_alpha_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6673,7 +6680,7 @@ fi
 	ldah	$1, d($29)	!gprelhigh
 	lda	$1, d($1)	!gprellow
 	lda	$29, 0($29)	!gpdisp!3' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6677: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6684: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_alpha_explicit_relocs=yes
     else
@@ -6695,14 +6702,14 @@ fi
 
   sparc*-*-*)
     echo $ac_n "checking assembler for .register""... $ac_c" 1>&6
-echo "configure:6699: checking assembler for .register" >&5
+echo "configure:6706: checking assembler for .register" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_register_op'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   gcc_cv_as_sparc_register_op=no
   if test x$gcc_cv_as != x; then
     echo '.register %g2, #scratch' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6706: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6713: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_sparc_register_op=yes
     else
@@ -6722,14 +6729,14 @@ EOF
 fi
 
     echo $ac_n "checking assembler for -relax option""... $ac_c" 1>&6
-echo "configure:6726: checking assembler for -relax option" >&5
+echo "configure:6733: checking assembler for -relax option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_relax'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   gcc_cv_as_sparc_relax=no
   if test x$gcc_cv_as != x; then
     echo '.text' > conftest.s
-    if { ac_try='$gcc_cv_as -relax -o conftest.o conftest.s >&5'; { (eval echo configure:6733: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -relax -o conftest.o conftest.s >&5'; { (eval echo configure:6740: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_sparc_relax=yes
     else
@@ -6749,7 +6756,7 @@ EOF
 fi
 
     echo $ac_n "checking assembler for unaligned pcrel relocs""... $ac_c" 1>&6
-echo "configure:6753: checking assembler for unaligned pcrel relocs" >&5
+echo "configure:6760: checking assembler for unaligned pcrel relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6762,7 +6769,7 @@ foo:
 .align 4
 .byte 0
 .uaword %r_disp32(foo)' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6766: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6773: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	if test x$gcc_cv_ld != x \
        && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
@@ -6785,7 +6792,7 @@ EOF
 
 
       echo $ac_n "checking assembler for unaligned pcrel relocs against hidden symbols""... $ac_c" 1>&6
-echo "configure:6789: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
+echo "configure:6796: checking assembler for unaligned pcrel relocs against hidden symbols" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6800,7 +6807,7 @@ else
 .hidden foo
 foo:
 .skip 4' > conftest.s
-    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6804: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -K PIC -o conftest.o conftest.s >&5'; { (eval echo configure:6811: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
 	 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
@@ -6833,7 +6840,7 @@ fi
 fi # unaligned pcrel relocs
 
     echo $ac_n "checking assembler for offsetable %lo()""... $ac_c" 1>&6
-echo "configure:6837: checking assembler for offsetable %lo()" >&5
+echo "configure:6844: checking assembler for offsetable %lo()" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_sparc_offsetable_lo10'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6842,7 +6849,7 @@ else
     echo '.text
 	or %g1, %lo(ab) + 12, %g1
 	or %g1, %lo(ab + 12), %g1' > conftest.s
-    if { ac_try='$gcc_cv_as -xarch=v9 -o conftest.o conftest.s >&5'; { (eval echo configure:6846: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as -xarch=v9 -o conftest.o conftest.s >&5'; { (eval echo configure:6853: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	if test x$gcc_cv_objdump != x \
        && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
@@ -6868,7 +6875,7 @@ fi
 
   i[34567]86-*-* | x86_64-*-*)
     echo $ac_n "checking assembler for filds and fists mnemonics""... $ac_c" 1>&6
-echo "configure:6872: checking assembler for filds and fists mnemonics" >&5
+echo "configure:6879: checking assembler for filds and fists mnemonics" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_filds_fists'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6879,7 +6886,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo 'filds mem; fists mem' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6883: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6890: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_ix86_filds_fists=yes
     else
@@ -6901,7 +6908,7 @@ fi
     # This one is used unconditionally by i386.[ch]; it is to be defined
     # to 1 if the feature is present, 0 otherwise.
     echo $ac_n "checking assembler for GOTOFF in data""... $ac_c" 1>&6
-echo "configure:6905: checking assembler for GOTOFF in data" >&5
+echo "configure:6912: checking assembler for GOTOFF in data" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ix86_gotoff_in_data'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6916,7 +6923,7 @@ fi
 	nop
 	.data
 	.long .L0@GOTOFF' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6920: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6927: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_ix86_gotoff_in_data=yes
     else
@@ -6937,7 +6944,7 @@ EOF
 
   ia64*-*-*)
     echo $ac_n "checking assembler for ltoffx and ldxmov relocs""... $ac_c" 1>&6
-echo "configure:6941: checking assembler for ltoffx and ldxmov relocs" >&5
+echo "configure:6948: checking assembler for ltoffx and ldxmov relocs" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_ia64_ltoffx_ldxmov_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6951,7 +6958,7 @@ fi
 	addl r15 = @ltoffx(x#), gp
 	;;
 	ld8.mov r16 = r15, x#' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6955: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6962: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	    cat >> confdefs.h <<\EOF
 #define HAVE_AS_LTOFFX_LDXMOV_RELOCS 1
@@ -6979,7 +6986,7 @@ echo "$ac_t""$gcc_cv_as_ia64_ltoffx_ldxmov_relocs" 1>&6
 	mfcr 3,128"
 
     echo $ac_n "checking assembler for mfcr field support""... $ac_c" 1>&6
-echo "configure:6983: checking assembler for mfcr field support" >&5
+echo "configure:6990: checking assembler for mfcr field support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_powerpc_mfcrf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6990,7 +6997,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:6994: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7001: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_powerpc_mfcrf=yes
     else
@@ -7012,7 +7019,7 @@ fi
 
   mips*-*-*)
     echo $ac_n "checking assembler for explicit relocation support""... $ac_c" 1>&6
-echo "configure:7016: checking assembler for explicit relocation support" >&5
+echo "configure:7023: checking assembler for explicit relocation support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_mips_explicit_relocs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7023,7 +7030,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo '	lw $4,%gp_rel(foo)($4)' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7034: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_mips_explicit_relocs=yes
     else
@@ -7069,7 +7076,7 @@ if test x"$insn" != x; then
 	.loc 1 3 0
 	$insn"
  echo $ac_n "checking assembler for dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:7073: checking assembler for dwarf2 debug_line support" >&5
+echo "configure:7080: checking assembler for dwarf2 debug_line support" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_debug_line'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7081,7 +7088,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$conftest_s" > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7085: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7092: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	# ??? This fails with non-gnu grep.  Maybe use objdump?
    if grep debug_line conftest.o > /dev/null 2>&1; then
@@ -7103,7 +7110,7 @@ echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
 # by DW_AT_decl_file.  Approximate this test by testing if
 # the assembler bitches if the same index is assigned twice.
  echo $ac_n "checking assembler for buggy dwarf2 .file directive""... $ac_c" 1>&6
-echo "configure:7107: checking assembler for buggy dwarf2 .file directive" >&5
+echo "configure:7114: checking assembler for buggy dwarf2 .file directive" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_dwarf2_file_buggy'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7111,7 +7118,7 @@ else
   if test x$gcc_cv_as != x; then
     echo '	.file 1 "foo.s"
 	.file 1 "bar.s"' > conftest.s
-    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7115: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as  -o conftest.o conftest.s >&5'; { (eval echo configure:7122: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_dwarf2_file_buggy=yes
     else
@@ -7134,7 +7141,7 @@ EOF
  fi
 
  echo $ac_n "checking assembler for --gdwarf2 option""... $ac_c" 1>&6
-echo "configure:7138: checking assembler for --gdwarf2 option" >&5
+echo "configure:7145: checking assembler for --gdwarf2 option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gdwarf2_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7146,7 +7153,7 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$insn" > conftest.s
-    if { ac_try='$gcc_cv_as --gdwarf2 -o conftest.o conftest.s >&5'; { (eval echo configure:7150: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --gdwarf2 -o conftest.o conftest.s >&5'; { (eval echo configure:7157: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	gcc_cv_as_gdwarf2_flag=yes
     else
@@ -7166,7 +7173,7 @@ EOF
 fi
 
  echo $ac_n "checking assembler for --gstabs option""... $ac_c" 1>&6
-echo "configure:7170: checking assembler for --gstabs option" >&5
+echo "configure:7177: checking assembler for --gstabs option" >&5
 if eval "test \"`echo '$''{'gcc_cv_as_gstabs_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7178,12 +7185,12 @@ else
 fi
   elif test x$gcc_cv_as != x; then
     echo "$insn" > conftest.s
-    if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s >&5'; { (eval echo configure:7182: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+    if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s >&5'; { (eval echo configure:7189: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
     then
 	# The native Solaris 9/Intel assembler doesn't understand --gstabs
    # and warns about it, but still exits successfully.  So check for
    # this.
-   if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null'; { (eval echo configure:7187: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+   if { ac_try='$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null'; { (eval echo configure:7194: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
    then :
    else gcc_cv_as_gstabs_flag=yes
    fi
@@ -7205,7 +7212,7 @@ fi
 fi
 
 echo $ac_n "checking linker read-only and read-write section mixing""... $ac_c" 1>&6
-echo "configure:7209: checking linker read-only and read-write section mixing" >&5
+echo "configure:7216: checking linker read-only and read-write section mixing" >&5
 gcc_cv_ld_ro_rw_mix=unknown
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7244,7 +7251,7 @@ fi
 echo "$ac_t""$gcc_cv_ld_ro_rw_mix" 1>&6
 
 echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
-echo "configure:7248: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:7255: checking linker PT_GNU_EH_FRAME support" >&5
 gcc_cv_ld_eh_frame_hdr=no
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7266,7 +7273,7 @@ fi
 echo "$ac_t""$gcc_cv_ld_eh_frame_hdr" 1>&6
 
 echo $ac_n "checking linker position independent executable support""... $ac_c" 1>&6
-echo "configure:7270: checking linker position independent executable support" >&5
+echo "configure:7277: checking linker position independent executable support" >&5
 gcc_cv_ld_pie=no
 if test $in_tree_ld = yes ; then
   if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
@@ -7291,7 +7298,7 @@ echo "$ac_t""$gcc_cv_ld_pie" 1>&6
 case "$target" in
   mips*-*-*)
     echo $ac_n "checking whether libgloss uses STARTUP directives consistently""... $ac_c" 1>&6
-echo "configure:7295: checking whether libgloss uses STARTUP directives consistently" >&5
+echo "configure:7302: checking whether libgloss uses STARTUP directives consistently" >&5
     gcc_cv_mips_libgloss_startup=no
     gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss
     if test "x$exec_prefix" = xNONE; then
@@ -7496,7 +7503,7 @@ fi
 
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:7500: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:7507: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -7798,7 +7805,6 @@ ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xma
 
 
 
-
 # Echo that links are built
 if test x$host = x$target
 then
diff --git a/gcc/configure.in b/gcc/configure.in
index f2c581d..465c93f 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -630,21 +630,22 @@ fi
 # skip bytes instead of using tail.  The test being performed is
 # "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
 # but we need to sink errors and handle broken shells.
-AC_MSG_CHECKING([for cmp's capabilities])
-echo abfoo >t1
-echo cdfoo >t2
-if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
-  if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
-    make_compare_target=slowcompare
+AC_CACHE_CHECK([for cmp's capabilities], gcc_cv_prog_cmp_skip,
+[ echo abfoo >t1
+  echo cdfoo >t2
+  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
+    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
+      make_compare_target=slowcompare
+    else
+      make_compare_target=gnucompare
+    fi
   else
-    make_compare_target=gnucompare
+    make_compare_target=slowcompare
   fi
-else
-  make_compare_target=slowcompare
-fi
-rm t1 t2
+  rm t1 t2
+  gcc_cv_prog_cmp_skip=$make_compare_target
+])
 AC_SUBST(make_compare_target)
-AC_MSG_RESULT($make_compare_target)
 
 # How about lex?
 dnl Don't use AC_PROG_LEX; we insist on flex.