From: Leo 'costela' Antunes <costela@debian.org>
Subject: always build with -no-undefined

This seems to be the easiest way to patch the build-system, so that
all libs get linked to _core and -no-undefined gets passed to libtool.

Will discuss with upstream what's the reason for this not being the
default.


Index: repo/Makefile.am
===================================================================
--- repo.orig/Makefile.am	2011-06-17 14:04:06.945088087 +0200
+++ repo/Makefile.am	2011-06-17 14:05:20.173451205 +0200
@@ -173,13 +173,8 @@
 	evmap.c	log.c evutil.c evutil_rand.c strlcpy.c $(SYS_SRC)
 EXTRA_SRC = event_tagging.c http.c evdns.c evrpc.c
 
-if BUILD_WITH_NO_UNDEFINED
 NO_UNDEFINED = -no-undefined
 MAYBE_CORE = libevent_core.la
-else
-NO_UNDEFINED =
-MAYBE_CORE =
-endif
 
 GENERIC_LDFLAGS = -version-info $(VERSION_INFO) $(RELEASE) $(NO_UNDEFINED)
 
Index: repo/Makefile.in
===================================================================
--- repo.orig/Makefile.in	2011-06-17 14:11:03.759154950 +0200
+++ repo/Makefile.in	2011-06-17 14:11:48.079374725 +0200
@@ -149,7 +149,7 @@
 	$(libevent_core_la_LDFLAGS) $(LDFLAGS) -o $@
 @INSTALL_LIBEVENT_FALSE@am_libevent_core_la_rpath =
 @INSTALL_LIBEVENT_TRUE@am_libevent_core_la_rpath = -rpath $(libdir)
-@BUILD_WITH_NO_UNDEFINED_TRUE@am__DEPENDENCIES_2 = libevent_core.la
+am__DEPENDENCIES_2 = libevent_core.la
 libevent_extra_la_DEPENDENCIES = $(am__DEPENDENCIES_2) \
 	$(am__DEPENDENCIES_1)
 am_libevent_extra_la_OBJECTS = $(am__objects_10)
@@ -505,10 +505,8 @@
 	evmap.c	log.c evutil.c evutil_rand.c strlcpy.c $(SYS_SRC)
 
 EXTRA_SRC = event_tagging.c http.c evdns.c evrpc.c
-@BUILD_WITH_NO_UNDEFINED_FALSE@NO_UNDEFINED = 
-@BUILD_WITH_NO_UNDEFINED_TRUE@NO_UNDEFINED = -no-undefined
-@BUILD_WITH_NO_UNDEFINED_FALSE@MAYBE_CORE = 
-@BUILD_WITH_NO_UNDEFINED_TRUE@MAYBE_CORE = libevent_core.la
+NO_UNDEFINED = -no-undefined
+MAYBE_CORE = libevent_core.la
 GENERIC_LDFLAGS = -version-info $(VERSION_INFO) $(RELEASE) $(NO_UNDEFINED)
 libevent_la_SOURCES = $(CORE_SRC) $(EXTRA_SRC)
 libevent_la_LIBADD = @LTLIBOBJS@ $(SYS_LIBS)