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ffmpeg-4.2.2/ffbuild/common.mak 4.94 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  #
  # common bits used by all libraries
  #
  
  DEFAULT_X86ASMD=.dbg
  
  ifeq ($(DBG),1)
  X86ASMD=$(DEFAULT_X86ASMD)
  else
  X86ASMD=
  endif
  
  ifndef SUBDIR
  
  ifndef V
  Q      = @
  ECHO   = printf "$(1)\t%s\n" $(2)
  BRIEF  = CC CXX OBJCC HOSTCC HOSTLD AS X86ASM AR LD STRIP CP WINDRES NVCC
  SILENT = DEPCC DEPHOSTCC DEPAS DEPX86ASM RANLIB RM
  
  MSG    = $@
  M      = @$(call ECHO,$(TAG),$@);
  $(foreach VAR,$(BRIEF), \
      $(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
  $(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
  $(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
  endif
  
  ALLFFLIBS = avcodec avdevice avfilter avformat avresample avutil postproc swscale swresample
  
  # NASM requires -I path terminated with /
  IFLAGS     := -I. -I$(SRC_LINK)/
  CPPFLAGS   := $(IFLAGS) $(CPPFLAGS)
  CFLAGS     += $(ECFLAGS)
  CCFLAGS     = $(CPPFLAGS) $(CFLAGS)
  OBJCFLAGS  += $(EOBJCFLAGS)
  OBJCCFLAGS  = $(CPPFLAGS) $(CFLAGS) $(OBJCFLAGS)
  ASFLAGS    := $(CPPFLAGS) $(ASFLAGS)
  CXXFLAGS   := $(CPPFLAGS) $(CFLAGS) $(CXXFLAGS)
  X86ASMFLAGS += $(IFLAGS:%=%/) -I$(<D)/ -Pconfig.asm
  
  HOSTCCFLAGS = $(IFLAGS) $(HOSTCPPFLAGS) $(HOSTCFLAGS)
  LDFLAGS    := $(ALLFFLIBS:%=$(LD_PATH)lib%) $(LDFLAGS)
  
  define COMPILE
         $(call $(1)DEP,$(1))
         $($(1)) $($(1)FLAGS) $($(1)_DEPFLAGS) $($(1)_C) $($(1)_O) $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
  endef
  
  COMPILE_C = $(call COMPILE,CC)
  COMPILE_CXX = $(call COMPILE,CXX)
  COMPILE_S = $(call COMPILE,AS)
  COMPILE_M = $(call COMPILE,OBJCC)
  COMPILE_X86ASM = $(call COMPILE,X86ASM)
  COMPILE_HOSTC = $(call COMPILE,HOSTCC)
  COMPILE_NVCC = $(call COMPILE,NVCC)
  
  %.o: %.c
  	$(COMPILE_C)
  
  %.o: %.cpp
  	$(COMPILE_CXX)
  
  %.o: %.m
  	$(COMPILE_M)
  
  %.s: %.c
  	$(CC) $(CCFLAGS) -S -o $@ $<
  
  %.o: %.S
  	$(COMPILE_S)
  
  %_host.o: %.c
  	$(COMPILE_HOSTC)
  
  %$(DEFAULT_X86ASMD).asm: %.asm
  	$(DEPX86ASM) $(X86ASMFLAGS) -M -o $@ $< > $(@:.asm=.d)
  	$(X86ASM) $(X86ASMFLAGS) -e $< | sed '/^%/d;/^$$/d;' > $@
  
  %.o: %.asm
  	$(COMPILE_X86ASM)
  	-$(if $(ASMSTRIPFLAGS), $(STRIP) $(ASMSTRIPFLAGS) $@)
  
  %.o: %.rc
  	$(WINDRES) $(IFLAGS) --preprocessor "$(DEPWINDRES) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -o $@ $<
  
  %.i: %.c
  	$(CC) $(CCFLAGS) $(CC_E) $<
  
  %.h.c:
  	$(Q)echo '#include "$*.h"' >$@
  
  %.ptx: %.cu $(SRC_PATH)/compat/cuda/cuda_runtime.h
  	$(COMPILE_NVCC)
  
  %.ptx.c: %.ptx
  	$(Q)sh $(SRC_PATH)/compat/cuda/ptx2c.sh $@ $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
  
  %.c %.h %.pc %.ver %.version: TAG = GEN
  
  # Dummy rule to stop make trying to rebuild removed or renamed headers
  %.h:
  	@:
  
  # Disable suffix rules.  Most of the builtin rules are suffix rules,
  # so this saves some time on slow systems.
  .SUFFIXES:
  
  # Do not delete intermediate files from chains of implicit rules
  $(OBJS):
  endif
  
  include $(SRC_PATH)/ffbuild/arch.mak
  
  OBJS      += $(OBJS-yes)
  SLIBOBJS  += $(SLIBOBJS-yes)
  FFLIBS    := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
  TESTPROGS += $(TESTPROGS-yes)
  
  LDLIBS       = $(FFLIBS:%=%$(BUILDSUF))
  FFEXTRALIBS := $(LDLIBS:%=$(LD_LIB)) $(foreach lib,EXTRALIBS-$(NAME) $(FFLIBS:%=EXTRALIBS-%),$($(lib))) $(EXTRALIBS)
  
  OBJS      := $(sort $(OBJS:%=$(SUBDIR)%))
  SLIBOBJS  := $(sort $(SLIBOBJS:%=$(SUBDIR)%))
  TESTOBJS  := $(TESTOBJS:%=$(SUBDIR)tests/%) $(TESTPROGS:%=$(SUBDIR)tests/%.o)
  TESTPROGS := $(TESTPROGS:%=$(SUBDIR)tests/%$(EXESUF))
  HOSTOBJS  := $(HOSTPROGS:%=$(SUBDIR)%.o)
  HOSTPROGS := $(HOSTPROGS:%=$(SUBDIR)%$(HOSTEXESUF))
  TOOLS     += $(TOOLS-yes)
  TOOLOBJS  := $(TOOLS:%=tools/%.o)
  TOOLS     := $(TOOLS:%=tools/%$(EXESUF))
  HEADERS   += $(HEADERS-yes)
  
  PATH_LIBNAME = $(foreach NAME,$(1),lib$(NAME)/$($(2)LIBNAME))
  DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib),$(CONFIG_SHARED:yes=S)))
  STATIC_DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib)))
  
  SRC_DIR    := $(SRC_PATH)/lib$(NAME)
  ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
  SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
  SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
  HOBJS        = $(filter-out $(SKIPHEADERS:.h=.h.o),$(ALLHEADERS:.h=.h.o))
  PTXOBJS      = $(filter %.ptx.o,$(OBJS))
  $(HOBJS):     CCFLAGS += $(CFLAGS_HEADERS)
  checkheaders: $(HOBJS)
  .SECONDARY:   $(HOBJS:.o=.c) $(PTXOBJS:.o=.c) $(PTXOBJS:.o=)
  
  alltools: $(TOOLS)
  
  $(HOSTOBJS): %.o: %.c
  	$(COMPILE_HOSTC)
  
  $(HOSTPROGS): %$(HOSTEXESUF): %.o
  	$(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTEXTRALIBS)
  
  $(OBJS):     | $(sort $(dir $(OBJS)))
  $(HOBJS):    | $(sort $(dir $(HOBJS)))
  $(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
  $(SLIBOBJS): | $(sort $(dir $(SLIBOBJS)))
  $(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
  $(TOOLOBJS): | tools
  
  OUTDIRS := $(OUTDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(SLIBOBJS) $(TESTOBJS))
  
  CLEANSUFFIXES     = *.d *.gcda *.gcno *.h.c *.ho *.map *.o *.pc *.ptx *.ptx.c *.ver *.version *$(DEFAULT_X86ASMD).asm *~
  LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a
  
  define RULES
  clean::
  	$(RM) $(HOSTPROGS) $(TESTPROGS) $(TOOLS)
  endef
  
  $(eval $(RULES))
  
  -include $(wildcard $(OBJS:.o=.d) $(HOSTOBJS:.o=.d) $(TESTOBJS:.o=.d) $(HOBJS:.o=.d) $(SLIBOBJS:.o=.d)) $(OBJS:.o=$(DEFAULT_X86ASMD).d)