$NetBSD: patch-af,v 1.1 2008/08/23 16:07:51 wiz Exp $

--- configure.orig      2008-04-02 21:45:03.000000000 +0900
+++ configure   2008-07-05 06:46:20.000000000 +0900
@@ -790,8 +790,10 @@
 REPLACE_FLOORL
 REPLACE_FREXP
 REPLACE_FREXPL
+REPLACE_HUGE_VAL
 REPLACE_ISFINITE
 REPLACE_LDEXPL
+REPLACE_NAN
 REPLACE_ROUND
 REPLACE_ROUNDF
 REPLACE_ROUNDL
@@ -7366,8 +7368,10 @@
   REPLACE_FLOORL=0;
   REPLACE_FREXP=0;
   REPLACE_FREXPL=0;
+  REPLACE_HUGE_VAL=0;
   REPLACE_ISFINITE=0;
   REPLACE_LDEXPL=0;
+  REPLACE_NAN=0;
   REPLACE_ROUND=0;
   REPLACE_ROUNDF=0;
   REPLACE_ROUNDL=0;
@@ -16379,6 +16383,119 @@
 
 
 
+  { echo "$as_me:$LINENO: checking whether NAN macro works" >&5
+echo $ECHO_N "checking whether NAN macro works... $ECHO_C" >&6; }
+if test "${gl_cv_header_math_nan_works+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <math.h>
+int
+main ()
+{
+/* Solaris 10 has a broken definition of NAN.  Other platforms
+        fail to provide NAN, or provide it only in C99 mode; this
+        test only needs to fail when NAN is provided but wrong.  */
+         float f = 1.0f;
+#ifdef NAN
+        f = NAN;
+#endif
+        return f == 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+        test -z "$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  gl_cv_header_math_nan_works=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       gl_cv_header_math_nan_works=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_header_math_nan_works" >&5
+echo "${ECHO_T}$gl_cv_header_math_nan_works" >&6; }
+  if test $gl_cv_header_math_nan_works = no; then
+    REPLACE_NAN=1
+  fi
+  { echo "$as_me:$LINENO: checking whether HUGE_VAL works" >&5
+echo $ECHO_N "checking whether HUGE_VAL works... $ECHO_C" >&6; }
+if test "${gl_cv_header_math_huge_val_works+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <math.h>
+int
+main ()
+{
+/* Solaris 10 has a broken definition of HUGE_VAL.  */
+        double d = HUGE_VAL;
+        return d == 0;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+        test -z "$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  gl_cv_header_math_huge_val_works=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       gl_cv_header_math_huge_val_works=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $gl_cv_header_math_huge_val_works" >&5
+echo "${ECHO_T}$gl_cv_header_math_huge_val_works" >&6; }
+  if test $gl_cv_header_math_huge_val_works = no; then
+    REPLACE_HUGE_VAL=1
+  fi
 
 
 
@@ -27058,8 +27175,10 @@
 REPLACE_FLOORL!$REPLACE_FLOORL$ac_delim
 REPLACE_FREXP!$REPLACE_FREXP$ac_delim
 REPLACE_FREXPL!$REPLACE_FREXPL$ac_delim
+REPLACE_HUGE_VAL!$REPLACE_HUGE_VAL$ac_delim
 REPLACE_ISFINITE!$REPLACE_ISFINITE$ac_delim
 REPLACE_LDEXPL!$REPLACE_LDEXPL$ac_delim
+REPLACE_NAN!$REPLACE_NAN$ac_delim
 REPLACE_ROUND!$REPLACE_ROUND$ac_delim
 REPLACE_ROUNDF!$REPLACE_ROUNDF$ac_delim
 REPLACE_ROUNDL!$REPLACE_ROUNDL$ac_delim
@@ -27081,7 +27200,7 @@
 GNULIB_FCHDIR!$GNULIB_FCHDIR$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 99; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5