include config.mak

VPATH=$(SRC_PATH_BARE)

CFLAGS=$(OPTFLAGS) -I$(BUILD_ROOT) -I$(SRC_PATH) -I$(SRC_PATH)/libavutil 
       -I$(SRC_PATH)/libavcodec -I$(SRC_PATH)/libavformat -I$(SRC_PATH)/libswscale 
       -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_ISOC9X_SOURCE
LDFLAGS+= -g

ifeq ($(CONFIG_FFMPEG),yes)
MANPAGES=doc/ffmpeg.1
PROGS_G+=ffmpeg_g$(EXESUF)
PROGS+=ffmpeg$(EXESUF)
endif

ifeq ($(CONFIG_FFSERVER),yes)
MANPAGES+=doc/ffserver.1
PROGS+=ffserver$(EXESUF)
endif

ifeq ($(CONFIG_FFPLAY),yes)
MANPAGES+=doc/ffplay.1
PROGS_G+=ffplay_g$(EXESUF)
PROGS+=ffplay$(EXESUF)
endif

BASENAMES=ffmpeg ffplay ffserver
ALLPROGS=$(addsuffix $(EXESUF), $(BASENAMES))
ALLPROGS_G=$(addsuffix _g$(EXESUF), $(BASENAMES))
ALLMANPAGES=$(addsuffix .1, $(BASENAMES))

ifeq ($(BUILD_SHARED),yes)
DEP_LIBS=libavcodec/$(SLIBPREF)avcodec$(SLIBSUF) libavformat/$(SLIBPREF)avformat$(SLIBSUF)
else
DEP_LIBS=libavcodec/$(LIBPREF)avcodec$(LIBSUF) libavformat/$(LIBPREF)avformat$(LIBSUF)
endif

ifeq ($(CONFIG_VHOOK),yes)
VHOOK=videohook
INSTALLVHOOK=install-vhook
endif

ifeq ($(BUILD_DOC),yes)
DOC=documentation
INSTALLMAN=install-man
endif

OBJS = ffmpeg.o ffserver.o cmdutils.o ffplay.o
SRCS = $(OBJS:.o=.c) $(ASM_OBJS:.o=.s)
LDFLAGS := -L$(BUILD_ROOT)/libavformat -L$(BUILD_ROOT)/libavcodec -L$(BUILD_ROOT)/libavutil $(LDFLAGS)
EXTRALIBS := -lavformat$(BUILDSUF) -lavcodec$(BUILDSUF) -lavutil$(BUILDSUF) $(EXTRALIBS)

ifeq ($(CONFIG_SWSCALER),yes)
LDFLAGS+=-L./libswscale
EXTRALIBS+=-lswscale$(BUILDSUF)
endif

all: lib $(PROGS) $(VHOOK) $(DOC)

lib:
        $(MAKE) -C libavutil   all
        $(MAKE) -C libavcodec  all
        $(MAKE) -C libavformat all
ifeq ($(CONFIG_PP),yes)
        $(MAKE) -C libpostproc all
endif
ifeq ($(CONFIG_SWSCALER),yes)
        $(MAKE) -C libswscale  all
endif

ffmpeg_g$(EXESUF): ffmpeg.o cmdutils.o .libs
        $(CC) $(LDFLAGS) -o $@ ffmpeg.o cmdutils.o $(EXTRALIBS)

ffserver$(EXESUF): ffserver.o .libs
        $(CC) $(LDFLAGS) $(FFSERVERLDFLAGS) -o $@ ffserver.o $(EXTRALIBS)

ffplay_g$(EXESUF): ffplay.o cmdutils.o .libs
        $(CC) $(LDFLAGS) -o $@ ffplay.o cmdutils.o $(EXTRALIBS) $(SDL_LIBS)

%$(EXESUF): %_g$(EXESUF)
        cp -p $

    

 

一个简单的makefile编译发生错误,请帮助.