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https://github.com/FFmpeg/FFmpeg.git
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22aebf1bfe
This allows commands of the form "make foo.s", which is useful for inspecting the compiler output for debugging purposes. Signed-off-by: Mans Rullgard <mans@mansr.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
121 lines
3.2 KiB
Makefile
121 lines
3.2 KiB
Makefile
#
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# common bits used by all libraries
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#
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# first so "all" becomes default target
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all: all-yes
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ifndef SUBDIR
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ifndef V
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Q = @
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ECHO = printf "$(1)\t%s\n" $(2)
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BRIEF = CC CXX AS YASM AR LD HOSTCC STRIP CP
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SILENT = DEPCC YASMDEP RM RANLIB
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MSG = $@
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M = @$(call ECHO,$(TAG),$@);
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$(foreach VAR,$(BRIEF), \
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$(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
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$(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
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$(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
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endif
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ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale swresample
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# NASM requires -I path terminated with /
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IFLAGS := -I. -I$(SRC_PATH)/
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CPPFLAGS := $(IFLAGS) $(CPPFLAGS)
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CFLAGS += $(ECFLAGS)
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CCFLAGS = $(CFLAGS)
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CXXFLAGS := $(CFLAGS) $(CXXFLAGS)
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YASMFLAGS += $(IFLAGS) -I$(SRC_PATH)/libavutil/x86/ -Pconfig.asm
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HOSTCFLAGS += $(IFLAGS)
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LDFLAGS := $(ALLFFLIBS:%=-Llib%) $(LDFLAGS)
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define COMPILE
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$($(1)DEP)
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$($(1)) $(CPPFLAGS) $($(1)FLAGS) $($(1)_DEPFLAGS) -c $($(1)_O) $<
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endef
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COMPILE_C = $(call COMPILE,CC)
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COMPILE_CXX = $(call COMPILE,CXX)
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COMPILE_S = $(call COMPILE,AS)
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%.o: %.c
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$(COMPILE_C)
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%.o: %.cpp
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$(COMPILE_CXX)
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%.s: %.c
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$(CC) $(CPPFLAGS) $(CFLAGS) -S -o $@ $<
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%.o: %.S
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$(COMPILE_S)
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%.ho: %.h
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$(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
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%.ver: %.v
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$(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
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%.c %.h: TAG = GEN
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# Dummy rule to stop make trying to rebuild removed or renamed headers
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%.h:
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@:
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# Disable suffix rules. Most of the builtin rules are suffix rules,
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# so this saves some time on slow systems.
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.SUFFIXES:
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# Do not delete intermediate files from chains of implicit rules
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$(OBJS):
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endif
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OBJS-$(HAVE_MMX) += $(MMX-OBJS-yes)
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OBJS += $(OBJS-yes)
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FFLIBS := $(FFLIBS-yes) $(FFLIBS)
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TESTPROGS += $(TESTPROGS-yes)
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FFEXTRALIBS := $(FFLIBS:%=-l%$(BUILDSUF)) $(EXTRALIBS)
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EXAMPLES := $(EXAMPLES:%=$(SUBDIR)%-example$(EXESUF))
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OBJS := $(sort $(OBJS:%=$(SUBDIR)%))
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TESTOBJS := $(TESTOBJS:%=$(SUBDIR)%) $(TESTPROGS:%=$(SUBDIR)%-test.o)
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TESTPROGS := $(TESTPROGS:%=$(SUBDIR)%-test$(EXESUF))
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HOSTOBJS := $(HOSTPROGS:%=$(SUBDIR)%.o)
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HOSTPROGS := $(HOSTPROGS:%=$(SUBDIR)%$(HOSTEXESUF))
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TOOLS += $(TOOLS-yes)
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TOOLOBJS := $(TOOLS:%=tools/%.o)
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TOOLS := $(TOOLS:%=tools/%$(EXESUF))
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DEP_LIBS := $(foreach NAME,$(FFLIBS),lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
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ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
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SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
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SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
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checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
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alltools: $(TOOLS)
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$(HOSTOBJS): %.o: %.c
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$(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
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$(HOSTPROGS): %$(HOSTEXESUF): %.o
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$(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
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$(OBJS): | $(sort $(dir $(OBJS)))
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$(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
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$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
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$(TOOLOBJS): | tools
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OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOSTOBJS) $(TESTOBJS))
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CLEANSUFFIXES = *.d *.o *~ *.ho *.map *.ver
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DISTCLEANSUFFIXES = *.pc
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LIBSUFFIXES = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
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-include $(wildcard $(OBJS:.o=.d) $(TESTOBJS:.o=.d))
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