Re: [Proftpd-devel] solaris needs <alloca.h>

[<pro...@th...>]

On Mon, Dec 17, 2001 at 01:24:23PM +0100, agr...@do... wrote:
> all versions of solaris2 (i checked 2.4 through 8) 
> require you to to include alloca.h when using alloca, 
> otherwise compilation fails. 
> this is also specified in the manpage.
> i used "cc: Sun WorkShop 6 update 2 C 5.3 2001/05/15".
> after adding this, compilation worked fine.

The patch below is better as it works on AIX as well. We've already
submitted this to the BTS.

-- 
albert chin (ch...@th...)

-- snip snip
--- lib/glibc-glob.c.orig	Tue Oct 23 11:17:46 2001
+++ lib/glibc-glob.c	Tue Oct 23 11:18:14 2001
@@ -21,12 +21,20 @@
  #pragma alloca
 #endif
 
-/* HPUX10 & HPUX11 need this */
-#if defined(HPUX10) || defined(HPUX11)
- #include <alloca.h>
-#endif
-
 #include <config.h>
+
+/* Make alloca work the best possible way.  */
+#ifdef __GNUC__
+#define alloca __builtin_alloca
+#else /* not __GNUC__ */
+#if HAVE_ALLOCA_H
+#include <alloca.h>
+#else /* not __GNUC__ or HAVE_ALLOCA_H */
+#ifndef _AIX /* Already did AIX, up at the top.  */
+char *alloca ();
+#endif /* not _AIX */
+#endif /* not HAVE_ALLOCA_H */
+#endif /* not __GNUC__ */
 
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