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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Set up the libvpx assembler config.
include $(topsrcdir)/config/rules.mk
ifeq ($(CPU_ARCH),arm)
ifdef GNU_AS
# The ARM asm is written in ARM RVCT syntax, but we actually build it with
# gas using GNU syntax. Add some rules to perform the conversion.
# Previously used $(dir $(ASFILES)) to figure out which directories to generate.
# However, .S (as opposed to .s) files are not added to ASFILES. There is only
# one directory with arm assembly currently so enumerate it manually.
GENERATED_DIRS += libvpx/vpx_dsp/arm
libvpx/vpx_dsp/arm/%.asm.S: $(srcdir)/libvpx/vpx_dsp/arm/%.asm $(call mkdir_deps,libvpx/vpx_dsp/arm)
$(PERL) $(topsrcdir)/media/libvpx/libvpx/build/make/ads2gas.pl < $< > $@
$(addsuffix .$(OBJ_SUFFIX), idct4x4_add_neon.asm idct8x8_add_neon.asm idct16x16_add_neon.asm): libvpx/vpx_dsp/arm/idct_neon.asm.S
endif
endif