From 0ae8b51230863c0b135c4fcd2ec70a4cba150897 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 11 Mar 2005 08:06:57 +0000
Subject: Replace AC_TRY_RUN() with AC_EGREP_CPP() when checking for constants
 to work fine with cross-compiled builds.

---
 ares/acinclude.m4 | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

(limited to 'ares/acinclude.m4')

diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index 31972aa36..2d4aa918f 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -125,19 +125,17 @@ dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
 
 AC_DEFUN([CARES_CHECK_CONSTANT], [
   AC_MSG_CHECKING([for $2])
-  AC_TRY_RUN( 
-    [
+  AC_EGREP_CPP(VARIABLEWASDEFINED,
+   [
       $1
 
-      int main()
-      {
-        #ifdef $2
-          return 0;
-        #else
-          return 1;
-        #endif
-      }
-    ], ac_constant="yes", ac_constant="no")
+      #ifdef $2
+        VARIABLEWASDEFINED
+      #else
+        NJET
+      #endif
+    ], ac_constant="yes", ac_constant="no"
+  )
   if test "$ac_constant" = "yes" ; then
     AC_MSG_RESULT(yes)
     $3
-- 
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