X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Finttypes.m4;h=a541d771cda5de9f5114d4e4144a01f703d5d6a6;hb=93d45a6cea3e8c0959a430e0b3f5ae24fc600399;hp=5ad1c26acb42c2591268da023c52944fb710760b;hpb=269c2a93c2770d5fbb2895b79afb84f1f35f96b2;p=gnulib.git

diff --git a/m4/inttypes.m4 b/m4/inttypes.m4
index 5ad1c26ac..a541d771c 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,4 +1,4 @@
-# inttypes.m4 serial 5
+# inttypes.m4 serial 7
 dnl Copyright (C) 2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -22,15 +22,17 @@ AC_DEFUN([gl_INTTYPES_H],
   dnl   - the existence of an <inttypes.h>,
   dnl   - that imaxabs, imaxdiv, strtoimax, strtoumax are declared,
   dnl   - some additional tests.
-  gl_cv_header_working_inttypes_h=no
-  if test "$gl_cv_header_working_stdint_h" = yes \
-     && test "$gl_cv_header_inttypes_h" = yes \
-     && test "$ac_cv_have_decl_imaxabs" = yes \
-     && test "$ac_cv_have_decl_imaxdiv" = yes \
-     && test "$ac_cv_have_decl_strtoimax" = yes \
-     && test "$ac_cv_have_decl_strtoumax" = yes; then
-    AC_COMPILE_IFELSE([
-      AC_LANG_PROGRAM([
+  AC_CACHE_CHECK([whether inttypes.h conforms to C99],
+    [gl_cv_header_working_inttypes_h],
+    [gl_cv_header_working_inttypes_h=no
+     if test "$gl_cv_header_working_stdint_h" = yes \
+	&& test $ac_cv_header_inttypes_h = yes \
+	&& test "$ac_cv_have_decl_imaxabs" = yes \
+	&& test "$ac_cv_have_decl_imaxdiv" = yes \
+	&& test "$ac_cv_have_decl_strtoimax" = yes \
+	&& test "$ac_cv_have_decl_strtoumax" = yes; then
+       AC_COMPILE_IFELSE([
+	 AC_LANG_PROGRAM([
 #include <stddef.h>
 #define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
 #define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
@@ -128,9 +130,9 @@ const char *l = /* implicit string concatenation */
   SCNoPTR SCNuPTR SCNxPTR
 #endif
   ;
-      ])],
-      [gl_cv_header_working_inttypes_h=yes])
-  fi
+	 ])],
+	 [gl_cv_header_working_inttypes_h=yes])
+     fi])
   if test $gl_cv_header_working_inttypes_h = yes; then
     dnl Use the existing <inttypes.h>.
     INTTYPES_H=''