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34 lines
821 B
Makefile
34 lines
821 B
Makefile
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ifneq ($(KBUILD_EXTMOD),)
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src = @abs_srcdir@
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obj = @abs_builddir@
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zstd_include = $(src)/include
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else
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zstd_include = $(srctree)/$(src)/include
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endif
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MODULE := zzstd
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obj-$(CONFIG_ZFS) := $(MODULE).o
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asflags-y := -I$(zstd_include)
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ccflags-y := -I$(zstd_include)
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# Zstd uses -O3 by default, so we should follow
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ccflags-y += -O3
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# -fno-tree-vectorize gets set for gcc in zstd/common/compiler.h
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# Set it for other compilers, too.
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$(obj)/lib/zstd.o: c_flags += -fno-tree-vectorize
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# Quiet warnings about frame size due to unused code in unmodified zstd lib
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$(obj)/lib/zstd.o: c_flags += -Wframe-larger-than=20480
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# Disable aarch64 neon SIMD instructions for kernel mode
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$(obj)/lib/zstd.o: c_flags += -include $(zstd_include)/aarch64_compat.h
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$(MODULE)-objs += zfs_zstd.o
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$(MODULE)-objs += lib/zstd.o
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all:
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mkdir -p lib
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