# 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/.


ifdef GNU_AS
ifeq ($(CPU_ARCH),arm)

# These flags are a lie; they're just used to enable the requisite
# opcodes; actual arch detection is done at runtime.
ASFLAGS = -march=armv7-a -mfpu=neon

celt_pitch_xcorr_arm-gnu.$(ASM_SUFFIX): celt_arm_dir celt/arm/armopts-gnu.S

# we need to throw this here because upstream has this path hardcoded
celt_arm_dir:
	mkdir -p celt/arm

# armopts needs a specific rule, because arm2gnu.pl will always add the .S
# suffix when translating the files that include it.
celt/arm/armopts-gnu.S: celt/arm/armopts.s
	$(PERL) $(srcdir)/celt/arm/arm2gnu.pl < $< > $@
# For all others, we can use an implicit rule with the configured $(ASM_SUFFIX).
%-gnu.$(ASM_SUFFIX): celt/arm/%.s
	$(PERL) $(srcdir)/celt/arm/arm2gnu.pl < $< > $@

endif
endif

include $(topsrcdir)/config/rules.mk