From 59a81237c1365b9c7643cff7511a805f5679ed4f Mon Sep 17 00:00:00 2001
From: Wilfried Goesgens <dothebart@citadel.org>
Date: Thu, 29 Dec 2011 18:49:06 +0100
Subject: [PATCH] use AC_TRY_COMPILE to determine the right libev version;
 AC_CHECK_LIB dosen't work.

---
 citadel/configure.ac | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/citadel/configure.ac b/citadel/configure.ac
index 8401e58b0..1758a77fc 100644
--- a/citadel/configure.ac
+++ b/citadel/configure.ac
@@ -605,15 +605,17 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS $SERVER_LIBS"
 dnl Check for libev
 AC_CHECK_HEADER(ev.h,
-	[AC_CHECK_LIB(ev, ev_cleanup_start,
-		[
-			LIBS="-lev -lm $LIBS $SERVER_LIBS"
-		],
+	[AC_TRY_COMPILE([#include <math.h>
+#include <ev.h>], 
+                         [
+			 ev_cleanup abort_by_shutdown;
+			 struct ev_loop *event_base;
+			 ev_cleanup_start(event_base, &abort_by_shutdown);
+			],[],
 		[
 			AC_MSG_ERROR(libev was not found or is not usable.  Please install libev.)
-		]
-	,
-	)],
+		])
+	],
 	[
 		AC_MSG_ERROR(ev.h was not found or is not usable.  Please install libev.)
 	]
@@ -621,6 +623,23 @@ AC_CHECK_HEADER(ev.h,
 CFLAGS="$saved_CFLAGS"
 
 
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 # The big search for OpenSSL
 if test "$with_ssl" != "no"; then
 	saved_LIBS="$LIBS"
-- 
2.30.2