Mercurial > hg > octave-shane > gnulib-hg

diff m4/wchar_h.m4 @ 14020:318a4063e921

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Ensure all prerequisites of <wchar.h> are included. * m4/btowc.m4 (gl_FUNC_BTOWC): Include <stddef.h>, <stdio.h>, <time.h> before <wchar.h>. * m4/mbrlen.m4 (gl_MBRLEN_INCOMPLETE_STATE, gl_MBRLEN_RETVAL, gl_MBRLEN_NUL_RETVAL): Likewise. * m4/mbrtowc.m4 (gl_MBRTOWC_INCOMPLETE_STATE, gl_MBRTOWC_SANITYCHECK, gl_MBRTOWC_NULL_ARG, gl_MBRTOWC_RETVAL, gl_MBRTOWC_NUL_RETVAL, AC_FUNC_MBRTOWC): Likewise. * m4/mbsrtowcs.m4 (gl_MBSRTOWCS_WORKS): Likewise. * m4/mbstate_t.m4 (AC_TYPE_MBSTATE_T): Likewise. * m4/wcrtomb.m4 (gl_FUNC_WCRTOMB): Likewise. * m4/wcsrtombs.m4 (gl_WCSRTOMBS_TERMINATION, gl_WCSRTOMBS_NULL): Likewise. * m4/wctob.m4 (gl_FUNC_WCTOB): Likewise. * m4/wchar_h.m4 (gl_WCHAR_H_INLINE_OK): Likewise. (gl_WCHAR_H): Improve comments. * m4/wctype_h.m4 (gl_WCTYPE_H): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sat, 25 Dec 2010 11:26:23 +0100
parents ff73aa93842c
children 97fc9a21a8fb
line wrap: on
line diff
--- a/m4/wchar_h.m4
+++ b/m4/wchar_h.m4
@@ -7,7 +7,7 @@
 
 dnl Written by Eric Blake.
 
-# wchar_h.m4 serial 35
+# wchar_h.m4 serial 36
 
 AC_DEFUN([gl_WCHAR_H],
 [
@@ -39,7 +39,10 @@
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
   gl_WARN_ON_USE_PREPARE([[
-/* Some systems require additional headers.  */
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+   <wchar.h>.
+   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+   included before <wchar.h>.  */
 #if !(defined __GLIBC__ && !defined __UCLIBC__)
 # include <stddef.h>
 # include <stdio.h>
@@ -63,6 +66,13 @@
     [gl_cv_header_wchar_h_correct_inline=yes
      AC_LANG_CONFTEST([
        AC_LANG_SOURCE([[#define wcstod renamed_wcstod
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+   <wchar.h>.
+   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+   included before <wchar.h>.  */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
 #include <wchar.h>
 extern int zero (void);
 int main () { return zero(); }
@@ -71,6 +81,13 @@
        mv conftest.$ac_objext conftest1.$ac_objext
        AC_LANG_CONFTEST([
          AC_LANG_SOURCE([[#define wcstod renamed_wcstod
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+   <wchar.h>.
+   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+   included before <wchar.h>.  */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
 #include <wchar.h>
 int zero (void) { return 0; }
 ]])])