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#
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# common bits used by all libraries
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#
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all: # make "all" default target
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ifndef SUBDIR
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vpath %.c $(SRC_DIR)
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vpath %.h $(SRC_DIR)
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vpath %.S $(SRC_DIR)
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ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
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CFLAGS = -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
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         -D_ISOC9X_SOURCE -I$(BUILD_ROOT) -I$(SRC_PATH) \
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         $(addprefix -I$(SRC_PATH)/lib,$(ALLFFLIBS)) $(OPTFLAGS)
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%.o: %.c
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	$(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
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%.o: %.S
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	$(CC) $(CFLAGS) $(LIBOBJFLAGS) -c -o $@ $<
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%.ho: %.h
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	$(CC) $(CFLAGS) $(LIBOBJFLAGS) -Wno-unused -c -o $@ -x c $<
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%.d: %.c
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	$(DEPEND_CMD) > $@
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%.d: %.S
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	$(DEPEND_CMD) > $@
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%.d: %.cpp
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	$(DEPEND_CMD) > $@
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install: install-libs install-headers
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uninstall: uninstall-libs uninstall-headers
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.PHONY: all depend dep clean distclean install* uninstall* tests
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endif
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CFLAGS   += $(CFLAGS-yes)
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OBJS     += $(OBJS-yes)
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ASM_OBJS += $(ASM_OBJS-yes)
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CPP_OBJS += $(CPP_OBJS-yes)
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FFLIBS   := $(FFLIBS-yes) $(FFLIBS)
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TESTS    += $(TESTS-yes)
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FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
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FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(FFLIBS)) $(LDFLAGS)
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SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S) $(CPP_OBJS:.o=.cpp)
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OBJS := $(OBJS) $(ASM_OBJS) $(CPP_OBJS)
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SRCS  := $(addprefix $(SUBDIR),$(SRCS))
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OBJS  := $(addprefix $(SUBDIR),$(OBJS))
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TESTS := $(addprefix $(SUBDIR),$(TESTS))
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ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h))
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checkheaders: $(filter-out %_template.ho,$(ALLHEADERS:.h=.ho))
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DEPS := $(OBJS:.o=.d)
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depend dep: $(DEPS)
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CLEANFILES += *.o *~ *.a *.lib *.so *.so.* *.dylib *.dll \
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              *.def *.dll.a *.exp *.ho *.map
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define RULES
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$(SUBDIR)%: $(SUBDIR)%.o $(LIBNAME)
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	$(CC) $(FFLDFLAGS) -o $$@ $$^ $(FFEXTRALIBS)
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$(SUBDIR)%-test$(EXESUF): $(SUBDIR)%.c $(LIBNAME)
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	$(CC) $(CFLAGS) $(FFLDFLAGS) -DTEST -o $$@ $$^ $(FFEXTRALIBS)
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clean::
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	rm -f $(TESTS) $(addprefix $(SUBDIR),$(CLEANFILES))
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distclean:: clean
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	rm -f $(DEPS)
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endef
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$(eval $(RULES))
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tests: $(TESTS)
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-include $(DEPS)