X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fstdarg.m4;fp=m4%2Fstdarg.m4;h=8a62f2e844a3799e3058a57809daacb7aa6c74cd;hp=5c87bd8b5f6da4b6b64bb94f68fc61f8c2956e9d;hb=ee168310ec4227174ace489bf5f81f8c2f91cde0;hpb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6

diff --git a/m4/stdarg.m4 b/m4/stdarg.m4
index 5c87bd8..8a62f2e 100644
--- a/m4/stdarg.m4
+++ b/m4/stdarg.m4
@@ -1,4 +1,4 @@
-# stdarg.m4 serial 3
+# stdarg.m4 serial 4
 dnl Copyright (C) 2006, 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -13,12 +13,16 @@ AC_DEFUN([gl_STDARG_H],
   NEXT_STDARG_H='<stdarg.h>'; AC_SUBST([NEXT_STDARG_H])
   AC_MSG_CHECKING([for va_copy])
   AC_CACHE_VAL([gl_cv_func_va_copy], [
-    AC_TRY_COMPILE([#include <stdarg.h>], [
+    AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM(
+         [[#include <stdarg.h>]],
+         [[
 #ifndef va_copy
 void (*func) (va_list, va_list) = va_copy;
 #endif
-],
-      [gl_cv_func_va_copy=yes], [gl_cv_func_va_copy=no])])
+         ]])],
+      [gl_cv_func_va_copy=yes],
+      [gl_cv_func_va_copy=no])])
   AC_MSG_RESULT([$gl_cv_func_va_copy])
   if test $gl_cv_func_va_copy = no; then
     dnl Provide a substitute.
@@ -47,12 +51,16 @@ void (*func) (va_list, va_list) = va_copy;
       dnl Provide a substitute in <config.h>, either __va_copy or as a simple
       dnl assignment.
       gl_CACHE_VAL_SILENT([gl_cv_func___va_copy], [
-        AC_TRY_COMPILE([#include <stdarg.h>], [
+        AC_COMPILE_IFELSE(
+          [AC_LANG_PROGRAM(
+             [[#include <stdarg.h>]],
+             [[
 #ifndef __va_copy
 error, bail out
 #endif
-],
-          [gl_cv_func___va_copy=yes], [gl_cv_func___va_copy=no])])
+             ]])],
+          [gl_cv_func___va_copy=yes],
+          [gl_cv_func___va_copy=no])])
       if test $gl_cv_func___va_copy = yes; then
         AC_DEFINE([va_copy], [__va_copy],
           [Define as a macro for copying va_list variables.])