mirror_zfs/module/zstd/Makefile.in
наб a3169da877 check-zstd-symbols: also ignore __pfx_ symbols
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b341b20d648bb7e9a3307c33163e7399f0913e66

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #15282
Closes #15284
2023-09-20 13:26:26 -07:00

46 lines
1.3 KiB
Makefile

ifneq ($(KBUILD_EXTMOD),)
src = @abs_srcdir@
obj = @abs_builddir@
zstd_include = $(src)/include
else
zstd_include = $(srctree)/$(src)/include
endif
MODULE := zzstd
obj-$(CONFIG_ZFS) := $(MODULE).o
asflags-y := -I$(zstd_include)
ccflags-y := -I$(zstd_include)
# Zstd uses -O3 by default, so we should follow
ccflags-y += -O3
# -fno-tree-vectorize gets set for gcc in zstd/common/compiler.h
# Set it for other compilers, too.
$(obj)/lib/zstd.o: c_flags += -fno-tree-vectorize
# SSE register return with SSE disabled if -march=znverX is passed
$(obj)/lib/zstd.o: c_flags += -U__BMI__
# Quiet warnings about frame size due to unused code in unmodified zstd lib
$(obj)/lib/zstd.o: c_flags += -Wframe-larger-than=20480
# Disable aarch64 neon SIMD instructions for kernel mode
$(obj)/lib/zstd.o: c_flags += -include $(zstd_include)/aarch64_compat.h -include $(zstd_include)/zstd_compat_wrapper.h -Wp,-w
$(obj)/zfs_zstd.o: c_flags += -include $(zstd_include)/zstd_compat_wrapper.h
$(MODULE)-objs += zfs_zstd.o
$(MODULE)-objs += lib/zstd.o
$(MODULE)-objs += zstd_sparc.o
all:
mkdir -p lib
gensymbols:
@OBJDUMP@ -t lib/zstd.o | awk '$$2 == "g" && !/ zfs_/ {print "#define\t" $$6 " zfs_" $$6}' | sort >> include/zstd_compat_wrapper.h
checksymbols:
@OBJDUMP@ -t lib/zstd.o | awk '/file format/ {print} $$2 == "g" && (!/ zfs_/ && !/ __pfx_zfs_/) {++ret; print} END {exit ret}'