Test for each of the missing macros individually.

diff --git a/ChangeLog b/ChangeLog
index 6817f88..65b21fd 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2008-09-15  Bruno Haible  <bruno@clisp.org>
 
+       * m4/errno_h.m4 (gl_HEADER_ERRNO_H_BODY): Test for all the macros that
+       are missing on OpenBSD 4.0 individually.
+       Reported by Yoann Vandoorselaere <yoann.v@prelude-ids.com>.
+
+2008-09-15  Bruno Haible  <bruno@clisp.org>
+
        * doc/posix-headers/errno.texi: Mention the Cygwin problem.
        * doc/posix-functions/strerror.texi: Mention also Cygwin.
        * doc/posix-functions/perror.texi: Likewise.

diff --git a/m4/errno_h.m4 b/m4/errno_h.m4
index 7f59e88..b5af078 100644 (file)
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -17,7 +17,31 @@ AC_DEFUN([gl_HEADER_ERRNO_H_BODY],
   AC_CACHE_CHECK([for complete errno.h], gl_cv_header_errno_h_complete, [
     AC_EGREP_CPP(booboo,[
 #include <errno.h>
-#if !defined EOVERFLOW || !defined ECANCELED
+#if !defined ENOMSG
+booboo
+#endif
+#if !defined EIDRM
+booboo
+#endif
+#if !defined ENOLINK
+booboo
+#endif
+#if !defined EPROTO
+booboo
+#endif
+#if !defined EMULTIHOP
+booboo
+#endif
+#if !defined EBADMSG
+booboo
+#endif
+#if !defined EOVERFLOW
+booboo
+#endif
+#if !defined ENOTSUP
+booboo
+#endif
+#if !defined ECANCELED
 booboo
 #endif
       ],