sys_select: Ensure memset is declared also on AIX 7.

* lib/sys_select.in.h: Include <string.h> also on AIX.
* doc/posix-headers/sys_select.texi: Mention that <sys/select.h> is not
self-contained also on AIX 7.1.
(cherry picked from commit d3e6271320ff89f1fae7885f50a5d2508f8d9e88)

diff --git a/ChangeLog b/ChangeLog
index 45861f2..dd2b6ca 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-06-05  Bruno Haible  <bruno@clisp.org>
+
+       sys_select: Ensure memset is declared also on AIX 7.
+       * lib/sys_select.in.h: Include <string.h> also on AIX.
+       * doc/posix-headers/sys_select.texi: Mention that <sys/select.h> is not
+       self-contained also on AIX 7.1.
+
 2011-06-04  Bruno Haible  <bruno@clisp.org>
 
        setlocale: Enable replacement on Cygwin 1.5.

diff --git a/doc/posix-headers/sys_select.texi b/doc/posix-headers/sys_select.texi
index db1b969..2f7cf63 100644 (file)
--- a/doc/posix-headers/sys_select.texi
+++ b/doc/posix-headers/sys_select.texi
@@ -19,7 +19,7 @@ OSF/1 4.0.
 @item
 This header file is not self-contained --- it requires @code{<string.h>}
 before @code{FD_ZERO} can be used --- on some platforms:
-Solaris 11 2010-11.
+AIX 7.1, Solaris 11 2010-11.
 @end itemize
 
 Portability problems not fixed by Gnulib:

diff --git a/lib/sys_select.in.h b/lib/sys_select.in.h
index c378f10..1ea73f9 100644 (file)
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -51,10 +51,10 @@
 #  include <sys/time.h>
 # endif
 
-/* On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
+/* On AIX 7 and Solaris 10, <sys/select.h> provides an FD_ZERO implementation
    that relies on memset(), but without including <string.h>.
    But in any case avoid namespace pollution on glibc systems.  */
-# if (defined __OpenBSD__ || defined __sun || defined __osf__ || defined __BEOS__) \
+# if (defined __OpenBSD__ || defined _AIX || defined __sun || defined __osf__ || defined __BEOS__) \
      && ! defined __GLIBC__
 #  include <string.h>
 # endif