Re: NSK(OSS) compilation problem

[Paul Eggert]

mwoehlke <address@hidden> writes:

> I would prefer that autoconf know that if it is on NSK/OSS ('#ifdef
> __TANDEM'), that _TANDEM_SOURCE needs to be defined.

Makes sense, though I wish this stuff were better-documented on the
web.  Might as well do it unconditionally, as that's what we do for
other symbols like that.

I installed this into Autoconf.  gnulib patch will follow.

2006-10-11  Paul Eggert  <address@hidden>

        * NEWS: AC_USE_SYSTEM_EXTENSIONS now defines _TANDEM_SOURCE for
        the NonStop platform.
        * doc/autoconf.texi (Posix Variants): Likewise.
        * lib/autoconf/specific.m4 (AC_USE_SYSTEM_EXTENSIONS): Likewise.

Index: NEWS
===================================================================
RCS file: /cvsroot/autoconf/autoconf/NEWS,v
retrieving revision 1.403
diff -u -r1.403 NEWS
--- NEWS        11 Oct 2006 19:35:57 -0000      1.403
+++ NEWS        11 Oct 2006 22:38:07 -0000
@@ -21,6 +21,8 @@

 ** AC_CHECK_DECL now also works with aggregate objects.

+** AC_USE_SYSTEM_EXTENSIONS now defines _TANDEM_SOURCE for the NonStop 
platform.
+
 ** GNU M4 1.4.7 or later is now recommended.

 * Major changes in Autoconf 2.60a (2006-08-25)
Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.1092
diff -u -r1.1092 autoconf.texi
--- doc/autoconf.texi   11 Oct 2006 19:35:57 -0000      1.1092
+++ doc/autoconf.texi   11 Oct 2006 22:38:08 -0000
@@ -7291,12 +7291,14 @@
 @cvindex _POSIX_1_SOURCE
 @cvindex _POSIX_PTHREAD_SEMANTICS
 @cvindex _POSIX_SOURCE
address@hidden _TANDEM_SOURCE
 @cvindex __EXTENSIONS__
 If possible, enable extensions to Posix on hosts that normally disable
 the extensions, typically due to standards-conformance namespace issues.
 This may involve defining @code{__EXTENSIONS__} and
address@hidden, which are macros used by Solaris.  This
-macro also has the combined effects of @code{AC_GNU_SOURCE},
address@hidden, which are macros used by Solaris.
+It also defines @code{_TANDEM_SOURCE} for the @acronym{HP} NonStop platform.
+This macro also has the combined effects of @code{AC_GNU_SOURCE},
 @code{AC_AIX}, and @code{AC_MINIX}.
 @end defmac

Index: lib/autoconf/specific.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/specific.m4,v
retrieving revision 1.371
diff -u -r1.371 specific.m4
--- lib/autoconf/specific.m4    26 Sep 2006 20:57:16 -0000      1.371
+++ lib/autoconf/specific.m4    11 Oct 2006 22:38:08 -0000
@@ -400,6 +400,9 @@
 #endif
 #ifndef _POSIX_PTHREAD_SEMANTICS
 # undef _POSIX_PTHREAD_SEMANTICS
+#endif
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
 #endif])
   AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
     [ac_cv_safe_to_define___extensions__],
@@ -412,6 +415,7 @@
   test $ac_cv_safe_to_define___extensions__ = yes &&
     AC_DEFINE([__EXTENSIONS__])
   AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
+  AC_DEFINE([_TANDEM_SOURCE])
 ])