Avoid false-negative in gl_STDINT_H's C99 conformance test.

* m4/stdint.m4 (gl_STDINT_H): When checking whether stdint.h conforms
to C99, include all of gl_STDINT_INCLUDES, not just <stddef.h>.

diff --git a/ChangeLog b/ChangeLog
index b4eb7de..5963fff 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-04-28  Jim Meyering  <jim@meyering.net>
+
+       Avoid false-negative in gl_STDINT_H's C99 conformance test.
+       * m4/stdint.m4 (gl_STDINT_H): When checking whether stdint.h conforms
+       to C99, include all of gl_STDINT_INCLUDES, not just <stddef.h>.
+
 2007-04-27  Eric Blake  <ebb9@byu.net>
 
        * doc/headers/assert.texi (assert.h): Document assert module use.

diff --git a/m4/stdint.m4 b/m4/stdint.m4
index f440c46..659ca85 100644 (file)
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -66,8 +66,8 @@ AC_DEFUN([gl_STDINT_H],
       [gl_cv_header_working_stdint_h],
       [gl_cv_header_working_stdint_h=no
        AC_COMPILE_IFELSE([
-         AC_LANG_PROGRAM([[
-#include <stddef.h>
+         AC_LANG_PROGRAM([gl_STDINT_INCLUDES
+         [
 #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 */
 #include ABSOLUTE_STDINT_H