- Moving -Wall from the individual Makefiles to configure (and only

have it passed to GCC)
- Moving the usage in configure to the top of it, so you don't have to
wait needlessly
- Silence compiler output during configuration
- Add support for configuring with IBM XLC

patch by (Dan Christiansen <danchr at daimi dot au dot dk>)

Originally committed as revision 2397 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -6,7 +6,7 @@ include config.mak
 
 VPATH=$(SRC_PATH)
 
-CFLAGS= -Wall $(OPTFLAGS) -I. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -I$(SRC_PATH)/libavformat -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
+CFLAGS=$(OPTFLAGS) -I. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -I$(SRC_PATH)/libavformat -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
 LDFLAGS+= -g 
 
 ifeq ($(TARGET_GPROF),yes)

libavcodec/Makefile

@@ -7,7 +7,7 @@ include ../config.mak
 VPATH=$(SRC_PATH)/libavcodec
 
 # NOTE: -I.. is needed to include config.h
-CFLAGS= -Wall $(OPTFLAGS) -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
+CFLAGS=$(OPTFLAGS) -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
 
 OBJS= common.o utils.o mem.o allcodecs.o \
       mpegvideo.o jrevdct.o jfdctfst.o jfdctint.o\

libavformat/Makefile

@@ -6,7 +6,7 @@ include ../config.mak
 
 VPATH=$(SRC_PATH)/libavformat
 
-CFLAGS= -Wall $(OPTFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
+CFLAGS=$(OPTFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE
 
 OBJS= utils.o cutils.o os_support.o allformats.o
 PPOBJS=

vhook/Makefile

@@ -2,7 +2,7 @@ include ../config.mak
 
 VPATH=$(SRC_PATH)/vhook
 
-CFLAGS=-fPIC -Wall $(OPTFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavformat -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H
+CFLAGS=-fPIC $(OPTFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavformat -I$(SRC_PATH)/libavcodec -DHAVE_AV_CONFIG_H
 
 ifeq ($(CONFIG_DARWIN),yes)
 SHFLAGS+=-bundle -flat_namespace -undefined suppress