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The assembly relies on __ANDROID__ to decide whether to call 'lrand48' or 'rand'. The later is available on desktop but only on Android L or later. However, this macro isn't defined by the linux vpx_config asm file we use for x86 Android builds, so we must pass it manually when invoking yasm.
130 lines
4.2 KiB
Makefile
130 lines
4.2 KiB
Makefile
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Set up the libvpx assembler config.
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AS=$(VPX_AS)
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ASFLAGS=$(VPX_ASFLAGS) -I. -I$(topsrcdir)/media/libvpx/ -I$(topsrcdir)/media/libvpx/vpx_ports/
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AS_DASH_C_FLAG=$(VPX_DASH_C_FLAG)
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ASM_SUFFIX=$(VPX_ASM_SUFFIX)
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ifeq ($(OS_TARGET),Android)
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# For LIBVPX_RAND
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ASFLAGS += -D__ANDROID__
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endif
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ifdef VPX_ARM_ASM
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# Building on an ARM platform with a supported assembler, include
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# the optimized assembly in the build.
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ifeq ($(OS_TARGET),Android)
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# For cpu-features.h
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LOCAL_INCLUDES += -I$(ANDROID_NDK)/sources/android/cpufeatures
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endif
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ASM_OFFSETS = vpx_scale_asm_offsets.asm vp8_asm_enc_offsets.asm
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ifdef VPX_AS_CONVERSION
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# The ARM asm is written in ARM RVCT syntax, but we actually build it with
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# gas using GNU syntax. Add some rules to perform the conversion.
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GENERATED_DIRS += $(dir $(ASFILES))
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%.asm.$(ASM_SUFFIX): %.asm $(ASM_OFFSETS)
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$(VPX_AS_CONVERSION) < $< > $@
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endif
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endif
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ifdef VPX_NEED_OBJ_INT_EXTRACT
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# We don't have a compiler that supports a compatible inline asm syntax, so we
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# have to resort to extracting asm offsets from a compiled object. This only
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# works if we have the appropriate system headers obj_int_extract needs to
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# parse that format, and so only has limited support for cross-compilation.
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ifdef VPX_ARM_ASM
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VPX_OIE_FORMAT := rvds
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else
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VPX_OIE_FORMAT := gas
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endif
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GARBAGE += vpx_scale_asm_offsets.$(OBJ_SUFFIX) vpx_scale_asm_offsets.asm
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GARBAGE += vp8_asm_enc_offsets.$(OBJ_SUFFIX) vp8_asm_enc_offsets.asm
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else
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# We can extract the asm offsets directly from generated assembly using inline
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# asm. This is the preferred method. However we need to strip out CFLAGS that
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# cause LTO because then the resulting .S file is useless.
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vpx_scale_asm_offsets.s: CFLAGS := -DINLINE_ASM
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OFFSET_PATTERN := '^[a-zA-Z0-9_]* EQU'
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# This rule, as well as the rule for vp8_asm_enc_offsets.s further below are here
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# because the generic rule in rules.mk was made to not be implicit, and we
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# can't put the C files in CSRCS.
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vpx_scale_asm_offsets.s: $(srcdir)/vpx_scale/vpx_scale_asm_offsets.c
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$(REPORT_BUILD)
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$(CC) -S $(COMPILE_CFLAGS) $(TARGET_LOCAL_INCLUDES) $(_VPATH_SRCS)
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vpx_scale_asm_offsets.asm: vpx_scale_asm_offsets.s
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grep $(OFFSET_PATTERN) $< | sed -e 's/[$$\#]//g' \
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$(if $(VPX_AS_CONVERSION),| $(VPX_AS_CONVERSION)) > $@
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GARBAGE += vpx_scale_asm_offsets.s vpx_scale_asm_offsets.asm
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vp8_asm_enc_offsets.s: CFLAGS := -DINLINE_ASM
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vp8_asm_enc_offsets.s: $(srcdir)/vp8/encoder/vp8_asm_enc_offsets.c
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$(REPORT_BUILD)
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$(CC) -S $(COMPILE_CFLAGS) $(NO_INTEGRATED_AS_CFLAGS) $(TARGET_LOCAL_INCLUDES) $(_VPATH_SRCS)
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vp8_asm_enc_offsets.asm: vp8_asm_enc_offsets.s
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grep $(OFFSET_PATTERN) $< | sed -e 's/[$$\#]//g' \
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$(if $(VPX_AS_CONVERSION),| $(VPX_AS_CONVERSION)) > $@
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GARBAGE += vp8_asm_enc_offsets.s vp8_asm_enc_offsets.asm
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endif
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EXTRA_MDDEPEND_FILES = vp8_asm_enc_offsets.s.pp vp8_asm_enc_offsets.$(OBJ_SUFFIX).pp vpx_scale_asm_offsets.s.pp vpx_scale_asm_offsets.$(OBJ_SUFFIX).pp
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include $(topsrcdir)/config/rules.mk
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quantize_sse4.$(OBJ_SUFFIX): vp8_asm_enc_offsets.asm
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quantize_ssse3.$(OBJ_SUFFIX): vp8_asm_enc_offsets.asm
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ifdef VPX_NEED_OBJ_INT_EXTRACT
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vpx_scale_asm_offsets.asm: vpx_scale_asm_offsets.$(OBJ_SUFFIX) $(HOST_PROGRAM)
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./$(HOST_PROGRAM) $(VPX_OIE_FORMAT) $< \
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$(if $(VPX_AS_CONVERSION),| $(VPX_AS_CONVERSION)) > $@
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# Filter out this object, because we don't want to link against it.
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# It was generated solely so it could be parsed by obj_int_extract.
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OBJS := $(filter-out vpx_scale_asm_offsets.$(OBJ_SUFFIX),$(OBJS))
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vp8_asm_enc_offsets.asm: vp8_asm_enc_offsets.$(OBJ_SUFFIX) $(HOST_PROGRAM)
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./$(HOST_PROGRAM) $(VPX_OIE_FORMAT) $< \
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$(if $(VPX_AS_CONVERSION),| $(VPX_AS_CONVERSION)) > $@
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# Filter out this object, because we don't want to link against it.
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# It was generated solely so it could be parsed by obj_int_extract.
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OBJS := $(filter-out vp8_asm_enc_offsets.$(OBJ_SUFFIX),$(OBJS))
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endif
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# Workaround a bug of Sun Studio (CR 6963410)
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ifdef SOLARIS_SUNPRO_CC
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ifeq (86,$(findstring 86,$(OS_TEST)))
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filter.o: filter.c Makefile.in
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$(REPORT_BUILD)
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@$(MAKE_DEPS_AUTO_CC)
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$(CC) -o $@ -c $(patsubst -xO[45],-xO3,$(COMPILE_CFLAGS)) $<
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endif
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endif
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