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https://github.com/edk2-porting/linux-next.git
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0c36d88cff
Older versions of BSD awk are fussy about the order of '-v' and '-f' flags, and require a space after the flag name. This causes build failures on platforms with an old awk, such as macOS and NetBSD. Since GNU awk and modern versions of BSD awk (distributed with FreeBSD/OpenBSD) are fine with either form, the definition of 'cmd_unroll' can be trivially tweaked to let the lib/raid6 Makefile work with both old and new awk flag dialects. Signed-off-by: John Millikin <john@john-millikin.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
91 lines
3.2 KiB
Makefile
91 lines
3.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
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raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
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int8.o int16.o int32.o
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raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
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raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
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vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
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raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
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raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
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hostprogs += mktables
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ifeq ($(CONFIG_ALTIVEC),y)
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altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
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ifdef CONFIG_CC_IS_CLANG
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# clang ppc port does not yet support -maltivec when -msoft-float is
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# enabled. A future release of clang will resolve this
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# https://bugs.llvm.org/show_bug.cgi?id=31177
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CFLAGS_REMOVE_altivec1.o += -msoft-float
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CFLAGS_REMOVE_altivec2.o += -msoft-float
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CFLAGS_REMOVE_altivec4.o += -msoft-float
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CFLAGS_REMOVE_altivec8.o += -msoft-float
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CFLAGS_REMOVE_vpermxor1.o += -msoft-float
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CFLAGS_REMOVE_vpermxor2.o += -msoft-float
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CFLAGS_REMOVE_vpermxor4.o += -msoft-float
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CFLAGS_REMOVE_vpermxor8.o += -msoft-float
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endif
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endif
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# The GCC option -ffreestanding is required in order to compile code containing
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# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
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ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
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NEON_FLAGS := -ffreestanding
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ifeq ($(ARCH),arm)
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NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
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endif
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CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
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ifeq ($(ARCH),arm64)
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CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
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endif
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endif
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quiet_cmd_unroll = UNROLL $@
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cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
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targets += int1.c int2.c int4.c int8.c int16.c int32.c
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$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_altivec1.o += $(altivec_flags)
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CFLAGS_altivec2.o += $(altivec_flags)
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CFLAGS_altivec4.o += $(altivec_flags)
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CFLAGS_altivec8.o += $(altivec_flags)
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targets += altivec1.c altivec2.c altivec4.c altivec8.c
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$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_vpermxor1.o += $(altivec_flags)
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CFLAGS_vpermxor2.o += $(altivec_flags)
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CFLAGS_vpermxor4.o += $(altivec_flags)
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CFLAGS_vpermxor8.o += $(altivec_flags)
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targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
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$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_neon1.o += $(NEON_FLAGS)
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CFLAGS_neon2.o += $(NEON_FLAGS)
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CFLAGS_neon4.o += $(NEON_FLAGS)
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CFLAGS_neon8.o += $(NEON_FLAGS)
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targets += neon1.c neon2.c neon4.c neon8.c
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$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += s390vx8.c
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$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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quiet_cmd_mktable = TABLE $@
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cmd_mktable = $(obj)/mktables > $@
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targets += tables.c
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$(obj)/tables.c: $(obj)/mktables FORCE
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$(call if_changed,mktable)
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