238 lines
8.5 KiB
Makefile
238 lines
8.5 KiB
Makefile
# ################################################################
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# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under both the BSD-style license (found in the
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# LICENSE file in the root directory of this source tree) and the GPLv2 (found
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# in the COPYING file in the root directory of this source tree).
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# You may select, at your option, one of the above-listed licenses.
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# ################################################################
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# This included Makefile provides the following variables :
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# LIB_SRCDIR, LIB_BINDIR
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# Ensure the file is not included twice
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# Note : must be included after setting the default target
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ifndef LIBZSTD_MK_INCLUDED
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LIBZSTD_MK_INCLUDED := 1
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##################################################################
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# Input Variables
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##################################################################
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# By default, library's directory is same as this included makefile
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LIB_SRCDIR ?= $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
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LIB_BINDIR ?= $(LIBSRC_DIR)
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# ZSTD_LIB_MINIFY is a helper variable that
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# configures a bunch of other variables to space-optimized defaults.
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ZSTD_LIB_MINIFY ?= 0
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# Legacy support
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ifneq ($(ZSTD_LIB_MINIFY), 0)
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ZSTD_LEGACY_SUPPORT ?= 0
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else
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ZSTD_LEGACY_SUPPORT ?= 5
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endif
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ZSTD_LEGACY_MULTITHREADED_API ?= 0
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# Build size optimizations
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ifneq ($(ZSTD_LIB_MINIFY), 0)
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HUF_FORCE_DECOMPRESS_X1 ?= 1
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HUF_FORCE_DECOMPRESS_X2 ?= 0
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ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 1
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ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0
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ZSTD_NO_INLINE ?= 1
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ZSTD_STRIP_ERROR_STRINGS ?= 1
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else
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HUF_FORCE_DECOMPRESS_X1 ?= 0
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HUF_FORCE_DECOMPRESS_X2 ?= 0
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ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 0
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ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0
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ZSTD_NO_INLINE ?= 0
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ZSTD_STRIP_ERROR_STRINGS ?= 0
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endif
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# Assembly support
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ZSTD_NO_ASM ?= 0
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ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP ?= 0
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ZSTD_LIB_EXCLUDE_COMPRESSORS_GREEDY_AND_UP ?= 0
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##################################################################
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# libzstd helpers
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##################################################################
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VOID ?= /dev/null
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# Make 4.3 doesn't support '\#' anymore (https://lwn.net/Articles/810071/)
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NUM_SYMBOL := \#
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# define silent mode as default (verbose mode with V=1 or VERBOSE=1)
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# Note : must be defined _after_ the default target
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$(V)$(VERBOSE).SILENT:
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# When cross-compiling from linux to windows,
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# one might need to specify TARGET_SYSTEM as "Windows."
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# Building from Fedora fails without it.
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# (but Ubuntu and Debian don't need to set anything)
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TARGET_SYSTEM ?= $(OS)
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# Version numbers
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LIBVER_SRC := $(LIB_SRCDIR)/zstd.h
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LIBVER_MAJOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)`
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LIBVER_MINOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)`
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LIBVER_PATCH_SCRIPT:=`sed -n '/define ZSTD_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)`
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LIBVER_SCRIPT:= $(LIBVER_MAJOR_SCRIPT).$(LIBVER_MINOR_SCRIPT).$(LIBVER_PATCH_SCRIPT)
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LIBVER_MAJOR := $(shell echo $(LIBVER_MAJOR_SCRIPT))
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LIBVER_MINOR := $(shell echo $(LIBVER_MINOR_SCRIPT))
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LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT))
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LIBVER := $(shell echo $(LIBVER_SCRIPT))
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CCVER := $(shell $(CC) --version)
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ZSTD_VERSION?= $(LIBVER)
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ifneq ($(ZSTD_LIB_MINIFY), 0)
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HAVE_CC_OZ ?= $(shell echo "" | $(CC) -Oz -x c -c - -o /dev/null 2> /dev/null && echo 1 || echo 0)
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ifneq ($(HAVE_CC_OZ), 0)
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# Some compilers (clang) support an even more space-optimized setting.
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CFLAGS += -Oz
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else
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CFLAGS += -Os
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endif
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CFLAGS += -fno-stack-protector -fomit-frame-pointer -fno-ident \
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-DDYNAMIC_BMI2=0 -DNDEBUG
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else
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CFLAGS ?= -O3
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endif
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DEBUGLEVEL ?= 0
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CPPFLAGS += -DXXH_NAMESPACE=ZSTD_ -DDEBUGLEVEL=$(DEBUGLEVEL)
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ifeq ($(TARGET_SYSTEM),Windows_NT) # MinGW assumed
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CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting
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endif
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DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
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-Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
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-Wstrict-prototypes -Wundef -Wpointer-arith \
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-Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
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-Wredundant-decls -Wmissing-prototypes -Wc++-compat
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CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS)
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ASFLAGS += $(DEBUGFLAGS) $(MOREFLAGS) $(CFLAGS)
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LDFLAGS += $(MOREFLAGS)
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FLAGS = $(CPPFLAGS) $(CFLAGS) $(ASFLAGS) $(LDFLAGS)
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ifndef ALREADY_APPENDED_NOEXECSTACK
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export ALREADY_APPENDED_NOEXECSTACK := 1
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ifeq ($(shell echo "int main(int argc, char* argv[]) { (void)argc; (void)argv; return 0; }" | $(CC) $(FLAGS) -z noexecstack -x c -Werror - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1)
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LDFLAGS += -z noexecstack
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endif
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ifeq ($(shell echo | $(CC) $(FLAGS) -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1)
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CFLAGS += -Wa,--noexecstack
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# CFLAGS are also added to ASFLAGS
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else ifeq ($(shell echo | $(CC) $(FLAGS) -Qunused-arguments -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1)
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# See e.g.: https://github.com/android/ndk/issues/171
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CFLAGS += -Qunused-arguments -Wa,--noexecstack
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# CFLAGS are also added to ASFLAGS
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endif
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endif
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ifeq ($(shell echo "int main(int argc, char* argv[]) { (void)argc; (void)argv; return 0; }" | $(CC) $(FLAGS) -z cet-report=error -x c -Werror - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1)
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LDFLAGS += -z cet-report=error
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endif
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HAVE_COLORNEVER = $(shell echo a | grep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0)
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GREP_OPTIONS ?=
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ifeq ($(HAVE_COLORNEVER), 1)
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GREP_OPTIONS += --color=never
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endif
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GREP = grep $(GREP_OPTIONS)
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ZSTD_COMMON_FILES := $(sort $(wildcard $(LIB_SRCDIR)/common/*.c))
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ZSTD_COMPRESS_FILES := $(sort $(wildcard $(LIB_SRCDIR)/compress/*.c))
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ZSTD_DECOMPRESS_FILES := $(sort $(wildcard $(LIB_SRCDIR)/decompress/*.c))
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ZSTD_DICTBUILDER_FILES := $(sort $(wildcard $(LIB_SRCDIR)/dictBuilder/*.c))
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ZSTD_DEPRECATED_FILES := $(sort $(wildcard $(LIB_SRCDIR)/deprecated/*.c))
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ZSTD_LEGACY_FILES :=
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ZSTD_DECOMPRESS_AMD64_ASM_FILES := $(sort $(wildcard $(LIB_SRCDIR)/decompress/*_amd64.S))
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ifneq ($(ZSTD_NO_ASM), 0)
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CPPFLAGS += -DZSTD_DISABLE_ASM
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else
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# Unconditionally add the ASM files they are disabled by
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# macros in the .S file.
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ZSTD_DECOMPRESS_FILES += $(ZSTD_DECOMPRESS_AMD64_ASM_FILES)
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endif
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ifneq ($(HUF_FORCE_DECOMPRESS_X1), 0)
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CFLAGS += -DHUF_FORCE_DECOMPRESS_X1
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endif
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ifneq ($(HUF_FORCE_DECOMPRESS_X2), 0)
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CFLAGS += -DHUF_FORCE_DECOMPRESS_X2
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endif
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ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT), 0)
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CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT
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endif
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ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG), 0)
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CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG
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endif
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ifneq ($(ZSTD_NO_INLINE), 0)
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CFLAGS += -DZSTD_NO_INLINE
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endif
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ifneq ($(ZSTD_STRIP_ERROR_STRINGS), 0)
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CFLAGS += -DZSTD_STRIP_ERROR_STRINGS
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endif
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ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0)
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CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API
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endif
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ifneq ($(ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP), 0)
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CFLAGS += -DZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_GREEDY_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_LAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR
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else
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ifneq ($(ZSTD_LIB_EXCLUDE_COMPRESSORS_GREEDY_AND_UP), 0)
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CFLAGS += -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
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endif
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endif
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ifneq ($(ZSTD_LEGACY_SUPPORT), 0)
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ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0)
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ZSTD_LEGACY_FILES += $(shell ls $(LIB_SRCDIR)/legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]')
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endif
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endif
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CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT)
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UNAME := $(shell uname)
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ifndef BUILD_DIR
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ifeq ($(UNAME), Darwin)
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ifeq ($(shell md5 < /dev/null > /dev/null; echo $$?), 0)
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HASH ?= md5
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endif
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else ifeq ($(UNAME), FreeBSD)
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HASH ?= gmd5sum
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else ifeq ($(UNAME), NetBSD)
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HASH ?= md5 -n
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else ifeq ($(UNAME), OpenBSD)
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HASH ?= md5
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endif
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HASH ?= md5sum
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HASH_DIR = conf_$(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(ZSTD_FILES) | $(HASH) | cut -f 1 -d " " )
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HAVE_HASH :=$(shell echo 1 | $(HASH) > /dev/null && echo 1 || echo 0)
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ifeq ($(HAVE_HASH),0)
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$(info warning : could not find HASH ($(HASH)), needed to differentiate builds using different flags)
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BUILD_DIR := obj/generic_noconf
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endif
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endif # BUILD_DIR
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ZSTD_SUBDIR := $(LIB_SRCDIR)/common $(LIB_SRCDIR)/compress $(LIB_SRCDIR)/decompress $(LIB_SRCDIR)/dictBuilder $(LIB_SRCDIR)/legacy $(LIB_SRCDIR)/deprecated
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vpath %.c $(ZSTD_SUBDIR)
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vpath %.S $(ZSTD_SUBDIR)
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endif # LIBZSTD_MK_INCLUDED
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