Index: src/post/Makefile.in
--- src/post/Makefile.in.orig
+++ src/post/Makefile.in
@@ -847,7 +847,7 @@ libdeinterlaceplugins_O1_la_SOURCES = \
 	$(debug_sources)
 
 libdeinterlaceplugins_O1_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(top_srcdir)/src/post/deinterlace
-libdeinterlaceplugins_O1_la_CFLAGS = $(O1_CFLAGS) $(VISIBILITY_FLAG)
+libdeinterlaceplugins_O1_la_CFLAGS = $(DEFAULT_OCFLAGS) $(VISIBILITY_FLAG)
 libdeinterlaceplugins_O1_la_LDFLAGS = 
 libdeinterlaceplugins_la_SOURCES = \
 	deinterlace/plugins/double.c \
@@ -892,7 +892,7 @@ xineplug_post_tvtime_la_LDFLAGS = $(AM_LDFLAGS) $(IMPU
 @ENABLE_POSTPROC_TRUE@pp_module_cflags = $(FFMPEG_CFLAGS) $(POSTPROC_CFLAGS)
 @ARCH_X86_TRUE@PLANAR_X86_LIB = libpost_planar_x86.la
 @ARCH_X86_TRUE@libpost_planar_x86_la_SOURCES = planar/x86/noise.c planar/x86/noise.h
-@ARCH_X86_TRUE@libpost_planar_x86_la_CFLAGS = $(O1_CFLAGS) -fomit-frame-pointer $(VISIBILITY_FLAG)
+@ARCH_X86_TRUE@libpost_planar_x86_la_CFLAGS = $(DEFAULT_OCFLAGS) -fomit-frame-pointer $(VISIBILITY_FLAG)
 @ARCH_X86_TRUE@libpost_planar_x86_la_LDFLAGS = 
 
 #
