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Re: [bug-gnulib] Re: [PATCH] mmap-anon.m4: use proper macro & condition


From: Mark D. Baushke
Subject: Re: [bug-gnulib] Re: [PATCH] mmap-anon.m4: use proper macro & condition
Date: Sun, 01 May 2005 08:14:13 -0700

Hi Folks,

I have not seen any discussion or commit on this patch suggested by
Moriyoshi Koizumi <address@hidden> (originally submitted to the
bug-cvs list and forwarded by me) which allows MacOS X (10.2.x and
10.3.x) to properly be able to '#define HAVE_MAP_ANONYMOUS 1' along with
'#define MAP_ANONYMOUS MAP_ANON' ...

This lets us get rid of the configure lines:

cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <
#include <sys/mman.h>
#ifdef MAP_ANON
    I cant identify this map.
#endif
>

_ACEOF

and replace them with

cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */

#include <sys/mman.h>
#ifdef MAP_ANON
    I cant identify this map.
#endif

_ACEOF

which at least is valid C code.

Please install it in GNULIB.

        Thanks,
        -- Mark

Index: m4/mmap-anon.m4
===================================================================
RCS file: /cvsroot/gnulib/gnulib/m4/mmap-anon.m4,v
retrieving revision 1.4
diff -u -p -r1.4 mmap-anon.m4
--- m4/mmap-anon.m4     7 Mar 2005 17:29:29 -0000       1.4
+++ m4/mmap-anon.m4     1 May 2005 14:58:15 -0000
@@ -27,8 +27,8 @@ AC_DEFUN([gl_FUNC_MMAP_ANON],
 #endif
 ],
       [gl_have_mmap_anonymous=yes])
-    if test $gl_have_mmap_anonymous = no; then
-      AC_EGREP_HEADER([MAP_ANON], [
+    if test $gl_have_mmap_anonymous != yes; then
+      AC_EGREP_CPP([I cant identify this map.], [
 #include <sys/mman.h>
 #ifdef MAP_ANON
     I cant identify this map.




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