mirror of
https://github.com/FFmpeg/FFmpeg.git
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20b0d24c2f
In case of shared builds, some object files containing tables are currently duplicated into other libraries: log2_tab.c, golomb.c, reverse.c. The check for whether this is duplicated is simply whether CONFIG_SHARED is true. Yet this is crude: E.g. libavdevice includes reverse.c for shared builds, but only needs it for the decklink input device, which given that decklink is not enabled by default will be unused in most libavdevice.so. This commit changes this by making it more explicit about what to duplicate from other libraries. To do this, two new Makefile variables were added: SHLIBOBJS and STLIBOBJS. SHLIBOBJS contains the objects that are duplicated from other libraries in case of shared builds; STLIBOBJS contains stuff that a library has to provide for other libraries in case of static builds. These new variables provide a way to enable/disable with a finer granularity than just whether shared builds are enabled or not. E.g. lavd's Makefile now contains: SHLIBOBJS-$(CONFIG_DECKLINK_INDEV) += reverse.o Another example is provided by the golomb tables. These are provided by lavc for static builds, even if one uses a build configuration that makes only lavf use them. Therefore lavc's Makefile contains STLIBOBJS-$(CONFIG_MXF_MUXER) += golomb.o, whereas lavf's Makefile has a corresponding SHLIBOBJS-$(CONFIG_MXF_MUXER) += golomb_tab.o. E.g. in case the MXF muxer is the only component needing these tables only libavformat.so will contain them for shared builds; currently libavcodec.so does so, too. (There is currently a CONFIG_EXTRA group for golomb. But actually one would need two groups (golomb_avcodec and golomb_avformat) in order to know when and where to include these tables. Therefore this commit uses a Makefile-based approach for this and stops using these groups for the users in libavformat.) Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
225 lines
6.2 KiB
Makefile
225 lines
6.2 KiB
Makefile
#
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# common bits used by all libraries
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#
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DEFAULT_X86ASMD=.dbg
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ifeq ($(DBG),1)
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X86ASMD=$(DEFAULT_X86ASMD)
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else
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X86ASMD=
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endif
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ifndef SUBDIR
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BIN2CEXE = ffbuild/bin2c$(HOSTEXESUF)
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BIN2C = $(BIN2CEXE)
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ifndef V
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Q = @
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ECHO = printf "$(1)\t%s\n" $(2)
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BRIEF = CC CXX OBJCC HOSTCC HOSTLD AS X86ASM AR LD STRIP CP WINDRES NVCC BIN2C
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SILENT = DEPCC DEPHOSTCC DEPAS DEPX86ASM RANLIB RM
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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_LINK)/
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CPPFLAGS := $(IFLAGS) $(CPPFLAGS)
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CFLAGS += $(ECFLAGS)
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CCFLAGS = $(CPPFLAGS) $(CFLAGS)
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OBJCFLAGS += $(EOBJCFLAGS)
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OBJCCFLAGS = $(CPPFLAGS) $(CFLAGS) $(OBJCFLAGS)
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ASFLAGS := $(CPPFLAGS) $(ASFLAGS)
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CXXFLAGS := $(CPPFLAGS) $(CFLAGS) $(CXXFLAGS)
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X86ASMFLAGS += $(IFLAGS:%=%/) -I$(<D)/ -Pconfig.asm
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HOSTCCFLAGS = $(IFLAGS) $(HOSTCPPFLAGS) $(HOSTCFLAGS)
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LDFLAGS := $(ALLFFLIBS:%=$(LD_PATH)lib%) $(LDFLAGS)
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define COMPILE
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$(call $(1)DEP,$(1))
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$($(1)) $($(1)FLAGS) $($(2)) $($(1)_DEPFLAGS) $($(1)_C) $($(1)_O) $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
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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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COMPILE_M = $(call COMPILE,OBJCC)
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COMPILE_X86ASM = $(call COMPILE,X86ASM)
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COMPILE_HOSTC = $(call COMPILE,HOSTCC)
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COMPILE_NVCC = $(call COMPILE,NVCC)
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COMPILE_MMI = $(call COMPILE,CC,MMIFLAGS)
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COMPILE_MSA = $(call COMPILE,CC,MSAFLAGS)
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COMPILE_LSX = $(call COMPILE,CC,LSXFLAGS)
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COMPILE_LASX = $(call COMPILE,CC,LASXFLAGS)
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%_mmi.o: %_mmi.c
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$(COMPILE_MMI)
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%_msa.o: %_msa.c
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$(COMPILE_MSA)
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%_lsx.o: %_lsx.c
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$(COMPILE_LSX)
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%_lasx.o: %_lasx.c
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$(COMPILE_LASX)
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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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%.o: %.m
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$(COMPILE_M)
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%.s: %.c
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$(CC) $(CCFLAGS) -S -o $@ $<
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%.o: %.S
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$(COMPILE_S)
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%_host.o: %.c
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$(COMPILE_HOSTC)
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%$(DEFAULT_X86ASMD).asm: %.asm
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$(DEPX86ASM) $(X86ASMFLAGS) -M -o $@ $< > $(@:.asm=.d)
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$(X86ASM) $(X86ASMFLAGS) -e $< | sed '/^%/d;/^$$/d;' > $@
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%.o: %.asm
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$(COMPILE_X86ASM)
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-$(if $(ASMSTRIPFLAGS), $(STRIP) $(ASMSTRIPFLAGS) $@)
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%.o: %.rc
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$(WINDRES) $(IFLAGS) $(foreach ARG,$(CC_DEPFLAGS),--preprocessor-arg "$(ARG)") -o $@ $<
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%.i: %.c
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$(CC) $(CCFLAGS) $(CC_E) $<
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%.h.c:
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$(Q)echo '#include "$*.h"' >$@
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$(BIN2CEXE): ffbuild/bin2c_host.o
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$(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTEXTRALIBS)
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%.metal.air: %.metal
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$(METALCC) $< -o $@
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%.metallib: %.metal.air
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$(METALLIB) --split-module-without-linking $< -o $@
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%.metallib.c: %.metallib $(BIN2CEXE)
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$(BIN2C) $< $@ $(subst .,_,$(basename $(notdir $@)))
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%.ptx: %.cu $(SRC_PATH)/compat/cuda/cuda_runtime.h
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$(COMPILE_NVCC)
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ifdef CONFIG_PTX_COMPRESSION
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%.ptx.gz: TAG = GZIP
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%.ptx.gz: %.ptx
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$(M)gzip -c9 $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<) >$@
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%.ptx.c: %.ptx.gz $(BIN2CEXE)
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$(BIN2C) $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<) $@ $(subst .,_,$(basename $(notdir $@)))
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else
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%.ptx.c: %.ptx $(BIN2CEXE)
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$(BIN2C) $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<) $@ $(subst .,_,$(basename $(notdir $@)))
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endif
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clean::
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$(RM) $(BIN2CEXE)
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%.c %.h %.pc %.ver %.version: TAG = GEN
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# Dummy rule to stop make trying to rebuild removed or renamed headers
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%.h %_template.c:
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@:
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# Disable suffix rules. Most of the builtin rules are suffix rules,
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# so this saves some time on slow systems.
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.SUFFIXES:
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# Do not delete intermediate files from chains of implicit rules
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$(OBJS):
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endif
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include $(SRC_PATH)/ffbuild/arch.mak
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OBJS += $(OBJS-yes)
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SLIBOBJS += $(SLIBOBJS-yes)
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SHLIBOBJS += $(SHLIBOBJS-yes)
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STLIBOBJS += $(STLIBOBJS-yes)
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FFLIBS := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
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TESTPROGS += $(TESTPROGS-yes)
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LDLIBS = $(FFLIBS:%=%$(BUILDSUF))
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FFEXTRALIBS := $(LDLIBS:%=$(LD_LIB)) $(foreach lib,EXTRALIBS-$(NAME) $(FFLIBS:%=EXTRALIBS-%),$($(lib))) $(EXTRALIBS)
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OBJS := $(sort $(OBJS:%=$(SUBDIR)%))
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SLIBOBJS := $(sort $(SLIBOBJS:%=$(SUBDIR)%))
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SHLIBOBJS := $(sort $(SHLIBOBJS:%=$(SUBDIR)%))
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STLIBOBJS := $(sort $(STLIBOBJS:%=$(SUBDIR)%))
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TESTOBJS := $(TESTOBJS:%=$(SUBDIR)tests/%) $(TESTPROGS:%=$(SUBDIR)tests/%.o)
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TESTPROGS := $(TESTPROGS:%=$(SUBDIR)tests/%$(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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HEADERS += $(HEADERS-yes)
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PATH_LIBNAME = $(foreach NAME,$(1),lib$(NAME)/$($(2)LIBNAME))
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DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib),$(CONFIG_SHARED:yes=S)))
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STATIC_DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib)))
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SRC_DIR := $(SRC_PATH)/lib$(NAME)
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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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HOBJS = $(filter-out $(SKIPHEADERS:.h=.h.o),$(ALLHEADERS:.h=.h.o))
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PTXOBJS = $(filter %.ptx.o,$(OBJS))
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$(HOBJS): CCFLAGS += $(CFLAGS_HEADERS)
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checkheaders: $(HOBJS)
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.SECONDARY: $(HOBJS:.o=.c) $(PTXOBJS:.o=.c) $(PTXOBJS:.o=.gz) $(PTXOBJS:.o=)
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alltools: $(TOOLS)
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$(HOSTOBJS): %.o: %.c
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$(COMPILE_HOSTC)
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$(HOSTPROGS): %$(HOSTEXESUF): %.o
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$(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTEXTRALIBS)
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$(OBJS): | $(sort $(dir $(OBJS)))
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$(HOBJS): | $(sort $(dir $(HOBJS)))
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$(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
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$(SLIBOBJS): | $(sort $(dir $(SLIBOBJS)))
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$(SHLIBOBJS): | $(sort $(dir $(SHLIBOBJS)))
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$(STLIBOBJS): | $(sort $(dir $(STLIBOBJS)))
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$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
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$(TOOLOBJS): | tools
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OUTDIRS := $(OUTDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(SLIBOBJS) $(SHLIBOBJS) $(STLIBOBJS) $(TESTOBJS))
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CLEANSUFFIXES = *.d *.gcda *.gcno *.h.c *.ho *.map *.o *.pc *.ptx *.ptx.gz *.ptx.c *.ver *.version *$(DEFAULT_X86ASMD).asm *~ *.ilk *.pdb
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LIBSUFFIXES = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a
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define RULES
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clean::
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$(RM) $(HOSTPROGS) $(TESTPROGS) $(TOOLS)
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endef
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$(eval $(RULES))
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-include $(wildcard $(OBJS:.o=.d) $(HOSTOBJS:.o=.d) $(TESTOBJS:.o=.d) $(HOBJS:.o=.d) $(SHLIBOBJS:.o=.d) $(STLIBOBJS:.o=.d) $(SLIBOBJS:.o=.d)) $(OBJS:.o=$(DEFAULT_X86ASMD).d)
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