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Add ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP Build Variable

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This commit is contained in:
W. Felix Handte
2023-04-21 16:14:11 -04:00
parent 39b7946b95
commit bae174960b
2 changed files with 14 additions and 2 deletions
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6
lib/libzstd.mk
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@ -47,6 +47,8 @@ endif
# Assembly support
ZSTD_NO_ASM ?= 0
ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP ?= 0
##################################################################
# libzstd helpers
##################################################################
@ -178,6 +180,10 @@ ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0)
CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API
endif
ifneq ($(ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP), 0)
CFLAGS += -DZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_GREEDY_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_LAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR
endif
ifneq ($(ZSTD_LEGACY_SUPPORT), 0)
ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0)
ZSTD_LEGACY_FILES += $(shell ls $(LIBZSTD)/legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]')

6
tests/playTests.sh
View File

@ -1708,8 +1708,14 @@ zstd --patch-from=tmp_dict -r tmp_dir && die
rm -rf tmp*
println "\n===> patch-from long mode trigger larger file test"
if [ "$ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP" -eq "1" ]; then
# if binary tree strategies are excluded, the threshold is different
datagen -g10000000 > tmp_dict
datagen -g10000000 > tmp_patch
else
datagen -g5000000 > tmp_dict
datagen -g5000000 > tmp_patch
fi
zstd -15 --patch-from=tmp_dict tmp_patch 2>&1 | grep "long mode automatically triggered"
rm -rf tmp*