libevent: disable building test programs

Libevent test programs use fork(), function
that is not available on MMU-less architecture.

This patch prevents compiling libevent test programs
so that library can successfully build on architectures
like blackfin

Fixes:
http://autobuild.buildroot.org/results/2e0/2e0422f1042d0cb00f5bab0dc190930581ed4ef2/

Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libevent/libevent-disable-building-test-programs.patch

@@ -0,0 +1,30 @@
+From e932c8864e1bb8b6a7901d4b049a1100c4becba5 Mon Sep 17 00:00:00 2001
+From: Gilles Talis <gilles.talis@gmail.com>
+Date: Fri, 21 Jun 2013 15:25:11 -0700
+Subject: [PATCH] Disable building test programs
+
+We are not really interested in building test programs.
+Moreover, these programs use fork() function that is
+not available on MMU-less architectures.
+
+Signed-off-by: Gilles Talis <gilles.talis@gmail.com>
+---
+ Makefile.in |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/Makefile.in b/Makefile.in
+index 2ebefa2..4fba1ff 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -487,7 +487,7 @@ LIBEVENT_LIBS_LA = libevent.la libevent_core.la libevent_extra.la \
+ @INSTALL_LIBEVENT_TRUE@lib_LTLIBRARIES = $(LIBEVENT_LIBS_LA)
+ @INSTALL_LIBEVENT_TRUE@pkgconfig_DATA = $(LIBEVENT_PKGCONFIG)
+ @INSTALL_LIBEVENT_FALSE@noinst_LTLIBRARIES = $(LIBEVENT_LIBS_LA)
+-SUBDIRS = . include sample test
++SUBDIRS = . include sample
+ @BUILD_WIN32_FALSE@SYS_LIBS = 
+ @BUILD_WIN32_TRUE@SYS_LIBS = -lws2_32 -lshell32 -ladvapi32
+ @BUILD_WIN32_FALSE@SYS_SRC = $(am__append_5) $(am__append_6) \
+-- 
+1.7.4.1
+