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      1 # ################################################################
      2 # Copyright (c) Meta Platforms, Inc. and affiliates.
      3 # All rights reserved.
      4 #
      5 # This source code is licensed under both the BSD-style license (found in the
      6 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
      7 # in the COPYING file in the root directory of this source tree).
      8 # You may select, at your option, one of the above-listed licenses.
      9 # ################################################################
     10 
     11 ZSTD ?= zstd   # note: requires zstd installation on local system
     12 
     13 UNAME?= $(shell uname)
     14 ifeq ($(UNAME), SunOS)
     15 DIFF ?= gdiff
     16 else
     17 DIFF ?= diff
     18 endif
     19 
     20 HARNESS_FILES=*.c
     21 
     22 MULTITHREAD_LDFLAGS = -pthread
     23 DEBUGFLAGS= -g -DZSTD_DEBUG=1
     24 CPPFLAGS += -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress \
     25             -I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR)
     26 CFLAGS   ?= -O2
     27 CFLAGS   += -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow                 \
     28             -Wstrict-aliasing=1 -Wswitch-enum                               \
     29             -Wredundant-decls -Wstrict-prototypes -Wundef                   \
     30             -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings      \
     31             -std=c99
     32 CFLAGS   += $(DEBUGFLAGS)
     33 CFLAGS   += $(MOREFLAGS)
     34 FLAGS     = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MULTITHREAD_LDFLAGS)
     35 
     36 harness: $(HARNESS_FILES)
     37 	$(CC) $(FLAGS) $^ -o $@
     38 
     39 clean:
     40 	@$(RM) harness *.o
     41 	@$(RM) -rf harness.dSYM  # MacOS specific
     42 
     43 test: harness
     44 	#
     45 	# Testing single-file decompression with educational decoder
     46 	#
     47 	@$(ZSTD) -f README.md -o tmp.zst
     48 	@./harness tmp.zst tmp
     49 	@$(DIFF) -s tmp README.md
     50 	@$(RM) tmp*
     51 	#
     52 	# Testing dictionary decompression with education decoder
     53 	#
     54 	# note : files are presented multiple for training, to reach minimum threshold
     55 	@$(ZSTD) --train harness.c zstd_decompress.c zstd_decompress.h README.md \
     56                   harness.c zstd_decompress.c zstd_decompress.h README.md \
     57                   harness.c zstd_decompress.c zstd_decompress.h README.md \
     58                   -o dictionary
     59 	@$(ZSTD) -f README.md -D dictionary -o tmp.zst
     60 	@./harness tmp.zst tmp dictionary
     61 	@$(DIFF) -s tmp README.md
     62 	@$(RM) tmp* dictionary
     63