CVS update: /ccvs/m4/

User: dprice  
Date: 05/05/28 10:38:35

Modified:
 /ccvs/m4/
  ChangeLog, glob.m4

Log:
 * glob.m4: s/MISSING_SYS_CDEFS_H/_SYS_CDEFS_H/.  Add comment.

File Changes:

Directory: /ccvs/m4/
====================

File [changed]: ChangeLog
Url: https://ccvs.cvshome.org/source/browse/ccvs/m4/ChangeLog?r1=1.132&r2=1.133
Delta lines:  +4 -0
-------------------
--- ChangeLog	25 May 2005 19:52:31 -0000	1.132
+++ ChangeLog	28 May 2005 17:38:33 -0000	1.133
@@ -1,3 +1,7 @@
+2005-05-28  Derek Price  <[email protected]>
+
+	* glob.m4: s/MISSING_SYS_CDEFS_H/_SYS_CDEFS_H/.  Add comment.
+
 2005-05-25  Derek Price  <[email protected]>
 
 	* glob.m4: Don't cater to Solaris here...

File [changed]: glob.m4
Url: https://ccvs.cvshome.org/source/browse/ccvs/m4/glob.m4?r1=1.9&r2=1.10
Delta lines:  +8 -1
-------------------
--- glob.m4	25 May 2005 19:52:31 -0000	1.9
+++ glob.m4	28 May 2005 17:38:33 -0000	1.10
@@ -43,8 +43,15 @@
   AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
   AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])dnl
   AC_CHECK_HEADERS([sys/cdefs.h], [SYS_CDEFS_H=yes], [SYS_CDEFS_H=no])
+
+  dnl Note the reversal of the common HAVE_SYS_CDEFS_H idiom below.  In this
+  dnl way, #ifndef _SYS_CDEFS_H may be used to include <sys/cdefs.h> both when
+  dnl it has been checked for via the GNULIB configure test and found and when
+  dnl it has not been checked for, which we can presume means that the <glob.h>
+  dnl GNULIB shares with GLIBC is being included as a system header and not as
+  dnl part of GNULIB, in which case <sys/cdefs.h> may be assumed.
   if test $SYS_CDEFS_H = no; then
-    AC_DEFINE(MISSING_SYS_CDEFS_H, 1,
+    AC_DEFINE(_SYS_CDEFS_H, 1,
       [Define to `1' if <sys/cdefs.h> is *not* available on this system.])
   fi
   :])