[empathy] build: add -lm where required

[Frederic Peters <fpeters src gnome org>]

commit f1d4849c8003841b7d6aa6b2ed39faf029ac783a
Author: FrÃdÃric PÃters <fpeters 0d be>
Date:   Tue Aug 30 12:53:34 2011 +0200

    build: add -lm where required

 libempathy/Makefile.am |    3 ++-
 src/Makefile.am        |    2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/libempathy/Makefile.am b/libempathy/Makefile.am
index 34a7061..21a5820 100644
--- a/libempathy/Makefile.am
+++ b/libempathy/Makefile.am
@@ -127,7 +127,8 @@ libempathy_la_LIBADD =		\
 	$(GEOCODE_LIBS) \
 	$(NETWORK_MANAGER_LIBS) \
 	$(CONNMAN_LIBS) \
-	$(UDEV_LIBS)
+	$(UDEV_LIBS) \
+	-lm
 
 check_c_sources = \
     $(libempathy_handwritten_source)
diff --git a/src/Makefile.am b/src/Makefile.am
index a436158..16ff649 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -130,7 +130,7 @@ empathy_av_SOURCES = \
 nodist_empathy_av_SOURCES = $(BUILT_SOURCES)
 
 empathy_av_CFLAGS = $(EMPATHY_AV_CFLAGS)
-empathy_av_LDFLAGS = $(EMPATHY_AV_LIBS)
+empathy_av_LDFLAGS = $(EMPATHY_AV_LIBS) -lm
 
 empathy_auth_client_SOURCES =						\
 	empathy-auth-client.c \