Fix linking failure on Mac OS X <10.4.

patch by Patrice Bensoussan patrice = dot = bensoussan = at = gmail = . = com

Originally committed as revision 4657 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -330,7 +330,7 @@ v4l="no"
 audio_oss="no"
 dv1394="no"
 ffserver="no"
-SHFLAGS="-dynamiclib -Wl,-single_module,-undefined,dynamic_lookup"
+SHFLAGS="-dynamiclib -Wl,-single_module"
 extralibs=""
 darwin="yes"
 strip="strip -x"

vhook/Makefile

@@ -5,7 +5,7 @@ VPATH=$(SRC_PATH)/vhook
 CFLAGS=-fPIC $(SHCFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavformat -I$(SRC_PATH)/libavcodec -I$(SRC_PATH)/libavutil -DHAVE_AV_CONFIG_H
 
 ifeq ($(CONFIG_DARWIN),yes)
-	SHFLAGS += -flat_namespace
+	SHFLAGS += -flat_namespace -undefined suppress
 endif
 HOOKS=null$(SLIBSUF) fish$(SLIBSUF) ppm$(SLIBSUF) watermark$(SLIBSUF)