From: Geoff Levand <geoff@infradead.org>
Date: Sat, 12 Nov 2011 21:42:31 +0000 (-0800)
Subject: Add va-copy check to configure.ac
X-Git-Tag: v1.0.0~814
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=f5d6bf0af6aa5e6f1d51e00a617910ddfb76e32c;hp=b8e57298d53e38d660128a795a4c12ecccfde964

Add va-copy check to configure.ac

Signed-off-by: Geoff Levand <geoff@infradead.org>
---

diff --git a/configure.ac b/configure.ac
index d9fe8ad..d123556 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,31 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
+AC_CHECK_HEADERS([stdarg.h])
+AC_CHECK_HEADERS([varargs.h])
+#AC_CHECK_FUNCS([va_copy])
+
+dnl Checking for va_copy availability
+AC_MSG_CHECKING([for va_copy])
+AC_TRY_LINK([#include <stdarg.h>
+va_list ap1,ap2;], [va_copy(ap1,ap2);],
+have_va_copy=yes,
+have_va_copy=no)
+AC_MSG_RESULT($have_va_copy)
+if test x"$have_va_copy" = x"yes"; then
+    AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
+else
+    AC_MSG_CHECKING([for __va_copy])
+    AC_TRY_LINK([#include <stdarg.h>
+    va_list ap1,ap2;], [__va_copy(ap1,ap2);],
+    have___va_copy=yes,
+    have___va_copy=no)
+    AC_MSG_RESULT($have___va_copy)
+    if test x"$have___va_copy" = x"yes"; then
+        AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
+    fi
+fi
+
 AC_ARG_ENABLE([ps3],
 	[AS_HELP_STRING([--enable-ps3],
 		[build support for the PS3 game console])],
diff --git a/lib/talloc/talloc.c b/lib/talloc/talloc.c
index c660870..95a0a6a 100644
--- a/lib/talloc/talloc.c
+++ b/lib/talloc/talloc.c
@@ -26,19 +26,20 @@
   inspired by http://swapped.cc/halloc/
 */
 
-
+#if defined(HAVE_CONFIG_H)
 #include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
+#else
 /* nfsim additions */
 #define HAVE_SYS_TYPES_H
 #define HAVE_UNISTD_H
 #define HAVE_STDARG_H
 #define HAVE_STDINT_H
 #define HAVE_VA_COPY
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>