Re: proposed comments for stdarg module

[Paul Eggert]

Bruno Haible <address@hidden> writes:

> Rather than putting a mere comment, you can now enforce this invocation, by
> adding this to the module description:
>
> configure.ac-early:
> AC_REQUIRE([AC_PROG_CC_STDC])

OK, thanks, I installed this:

2007-02-04  Paul Eggert  <address@hidden>

        * modules/stdarg (configure.ac-early): Require AC_PROG_CC_STDC.

--- modules/stdarg      8 May 2006 13:13:13 -0000       1.1
+++ modules/stdarg      5 Feb 2007 00:19:48 -0000
@@ -6,6 +6,13 @@ m4/stdarg.m4

 Depends-on:

+configure.ac-early:
+dnl Some compilers (e.g., AIX 5.3 cc) need to be in c99 mode
+dnl for the builtin va_copy to work.  With Autoconf 2.60 or later,
+dnl AC_PROG_CC_STDC arranges for this.  With older Autoconf AC_PROG_CC_STDC
+dnl shouldn't hurt, though installers are on their own to set c99 mode.
+AC_REQUIRE([AC_PROG_CC_STDC])
+
 configure.ac:
 gl_STDARG_H