Allow building as DLL on Windows

Patch by jon_y on IRC.

diff --git a/libass/Makefile.am b/libass/Makefile.am
index 142de68fbb429ce491a023754678c0c455690ff6..d38c7640f8d1a293c66c1592d8526f0caa53aa32 100644 (file)
--- a/libass/Makefile.am
+++ b/libass/Makefile.am
@@ -12,7 +12,7 @@ libass_la_SOURCES = ass.c ass_cache.c ass_font.c ass_fontconfig.c ass_render.c \
                     ass_drawing.h ass_cache_template.h ass_render.h \
                     ass_parse.c ass_parse.h ass_render_api.c ass_shaper.c \
                     ass_shaper.h ass_strtod.c
-libass_la_LDFLAGS = -version-info $(LIBASS_LT_CURRENT):$(LIBASS_LT_REVISION):$(LIBASS_LT_AGE)
+libass_la_LDFLAGS = -no-undefined -version-info $(LIBASS_LT_CURRENT):$(LIBASS_LT_REVISION):$(LIBASS_LT_AGE)
 libass_la_LDFLAGS += -export-symbols $(srcdir)/libass.sym
 
 assheadersdir = $(includedir)/ass