mirror of
https://github.com/librempeg/librempeg
synced 2024-11-22 18:49:58 +00:00
01994c93db
This avoids using the CUDA SDK at all; instead, we provide a minimal reimplementation of the basic functionality that lavfi actually uses. It generates very similar code to what NVCC produces. The header contains no implementation code derived from the SDK. The function and type declarations are derived from the SDK only to the extent required to build a compatible implementation. This is generally accepted to qualify as fair use. Because this option does not require the proprietary SDK, it does not require the "--enable-nonfree" flag in configure. Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
176 lines
4.9 KiB
Makefile
176 lines
4.9 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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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
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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 avresample 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) $($(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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%.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) $(IFLAGS) --preprocessor "$(DEPWINDRES) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -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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%.ptx: %.cu $(SRC_PATH)/compat/cuda/cuda_runtime.h
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$(COMPILE_NVCC)
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%.ptx.c: %.ptx
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$(Q)sh $(SRC_PATH)/compat/cuda/ptx2c.sh $@ $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
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%.c %.h %.pc %.ver %.version: TAG = GEN
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# Dummy rule to stop make trying to rebuild removed or renamed headers
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%.h:
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@:
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# Disable suffix rules. Most of the builtin rules are suffix rules,
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# so this saves some time on slow systems.
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.SUFFIXES:
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# Do not delete intermediate files from chains of implicit rules
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$(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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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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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=)
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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 $(SLIBOBJS)))
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$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
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$(TOOLOBJS): | tools
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OUTDIRS := $(OUTDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(SLIBOBJS) $(TESTOBJS))
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CLEANSUFFIXES = *.d *.gcda *.gcno *.h.c *.ho *.map *.o *.pc *.ptx *.ptx.c *.ver *.version *$(DEFAULT_X86ASMD).asm *~
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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) $(SLIBOBJS:.o=.d)) $(OBJS:.o=$(DEFAULT_X86ASMD).d)
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