From d8bbc7858622b6d9c278469aab701ca0b609cddf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 15 May 2024 05:35:49 +0200 Subject: Merging upstream version 126.0. Signed-off-by: Daniel Baumann --- third_party/zstd/lib/libzstd.mk | 235 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 third_party/zstd/lib/libzstd.mk (limited to 'third_party/zstd/lib/libzstd.mk') diff --git a/third_party/zstd/lib/libzstd.mk b/third_party/zstd/lib/libzstd.mk new file mode 100644 index 0000000000..14b3b11d68 --- /dev/null +++ b/third_party/zstd/lib/libzstd.mk @@ -0,0 +1,235 @@ +# ################################################################ +# Copyright (c) Meta Platforms, Inc. and affiliates. +# All rights reserved. +# +# This source code is licensed under both the BSD-style license (found in the +# LICENSE file in the root directory of this source tree) and the GPLv2 (found +# in the COPYING file in the root directory of this source tree). +# You may select, at your option, one of the above-listed licenses. +# ################################################################ + +# This included Makefile provides the following variables : +# LIB_SRCDIR, LIB_BINDIR + +# Ensure the file is not included twice +# Note : must be included after setting the default target +ifndef LIBZSTD_MK_INCLUDED +LIBZSTD_MK_INCLUDED := 1 + +################################################################## +# Input Variables +################################################################## + +# By default, library's directory is same as this included makefile +LIB_SRCDIR ?= $(dir $(realpath $(lastword $(MAKEFILE_LIST)))) +LIB_BINDIR ?= $(LIBSRC_DIR) + +# ZSTD_LIB_MINIFY is a helper variable that +# configures a bunch of other variables to space-optimized defaults. +ZSTD_LIB_MINIFY ?= 0 + +# Legacy support +ifneq ($(ZSTD_LIB_MINIFY), 0) + ZSTD_LEGACY_SUPPORT ?= 0 +else + ZSTD_LEGACY_SUPPORT ?= 5 +endif +ZSTD_LEGACY_MULTITHREADED_API ?= 0 + +# Build size optimizations +ifneq ($(ZSTD_LIB_MINIFY), 0) + HUF_FORCE_DECOMPRESS_X1 ?= 1 + HUF_FORCE_DECOMPRESS_X2 ?= 0 + ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 1 + ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0 + ZSTD_NO_INLINE ?= 1 + ZSTD_STRIP_ERROR_STRINGS ?= 1 +else + HUF_FORCE_DECOMPRESS_X1 ?= 0 + HUF_FORCE_DECOMPRESS_X2 ?= 0 + ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 0 + ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0 + ZSTD_NO_INLINE ?= 0 + ZSTD_STRIP_ERROR_STRINGS ?= 0 +endif + +# Assembly support +ZSTD_NO_ASM ?= 0 + +ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP ?= 0 +ZSTD_LIB_EXCLUDE_COMPRESSORS_GREEDY_AND_UP ?= 0 + +################################################################## +# libzstd helpers +################################################################## + +VOID ?= /dev/null + +# Make 4.3 doesn't support '\#' anymore (https://lwn.net/Articles/810071/) +NUM_SYMBOL := \# + +# define silent mode as default (verbose mode with V=1 or VERBOSE=1) +# Note : must be defined _after_ the default target +$(V)$(VERBOSE).SILENT: + +# When cross-compiling from linux to windows, +# one might need to specify TARGET_SYSTEM as "Windows." +# Building from Fedora fails without it. +# (but Ubuntu and Debian don't need to set anything) +TARGET_SYSTEM ?= $(OS) + +# Version numbers +LIBVER_SRC := $(LIB_SRCDIR)/zstd.h +LIBVER_MAJOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` +LIBVER_MINOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` +LIBVER_PATCH_SCRIPT:=`sed -n '/define ZSTD_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` +LIBVER_SCRIPT:= $(LIBVER_MAJOR_SCRIPT).$(LIBVER_MINOR_SCRIPT).$(LIBVER_PATCH_SCRIPT) +LIBVER_MAJOR := $(shell echo $(LIBVER_MAJOR_SCRIPT)) +LIBVER_MINOR := $(shell echo $(LIBVER_MINOR_SCRIPT)) +LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT)) +LIBVER := $(shell echo $(LIBVER_SCRIPT)) +CCVER := $(shell $(CC) --version) +ZSTD_VERSION?= $(LIBVER) + +ifneq ($(ZSTD_LIB_MINIFY), 0) + HAVE_CC_OZ ?= $(shell echo "" | $(CC) -Oz -x c -c - -o /dev/null 2> /dev/null && echo 1 || echo 0) +ifneq ($(HAVE_CC_OZ), 0) + # Some compilers (clang) support an even more space-optimized setting. + CFLAGS += -Oz +else + CFLAGS += -Os +endif + CFLAGS += -fno-stack-protector -fomit-frame-pointer -fno-ident \ + -DDYNAMIC_BMI2=0 -DNDEBUG +else + CFLAGS ?= -O3 +endif + +DEBUGLEVEL ?= 0 +CPPFLAGS += -DXXH_NAMESPACE=ZSTD_ -DDEBUGLEVEL=$(DEBUGLEVEL) +ifeq ($(TARGET_SYSTEM),Windows_NT) # MinGW assumed + CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting +endif +DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \ + -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \ + -Wstrict-prototypes -Wundef -Wpointer-arith \ + -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \ + -Wredundant-decls -Wmissing-prototypes -Wc++-compat +CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS) +ASFLAGS += $(DEBUGFLAGS) $(MOREFLAGS) $(CFLAGS) +LDFLAGS += $(MOREFLAGS) +FLAGS = $(CPPFLAGS) $(CFLAGS) $(ASFLAGS) $(LDFLAGS) + +ifndef ALREADY_APPENDED_NOEXECSTACK +export ALREADY_APPENDED_NOEXECSTACK := 1 +ifeq ($(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) +LDFLAGS += -z noexecstack +endif +ifeq ($(shell echo | $(CC) $(FLAGS) -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1) +CFLAGS += -Wa,--noexecstack +# CFLAGS are also added to ASFLAGS +else ifeq ($(shell echo | $(CC) $(FLAGS) -Qunused-arguments -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1) +# See e.g.: https://github.com/android/ndk/issues/171 +CFLAGS += -Qunused-arguments -Wa,--noexecstack +# CFLAGS are also added to ASFLAGS +endif +endif + +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) +LDFLAGS += -z cet-report=error +endif + +HAVE_COLORNEVER = $(shell echo a | grep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0) +GREP_OPTIONS ?= +ifeq ($(HAVE_COLORNEVER), 1) + GREP_OPTIONS += --color=never +endif +GREP = grep $(GREP_OPTIONS) + +ZSTD_COMMON_FILES := $(sort $(wildcard $(LIB_SRCDIR)/common/*.c)) +ZSTD_COMPRESS_FILES := $(sort $(wildcard $(LIB_SRCDIR)/compress/*.c)) +ZSTD_DECOMPRESS_FILES := $(sort $(wildcard $(LIB_SRCDIR)/decompress/*.c)) +ZSTD_DICTBUILDER_FILES := $(sort $(wildcard $(LIB_SRCDIR)/dictBuilder/*.c)) +ZSTD_DEPRECATED_FILES := $(sort $(wildcard $(LIB_SRCDIR)/deprecated/*.c)) +ZSTD_LEGACY_FILES := + +ZSTD_DECOMPRESS_AMD64_ASM_FILES := $(sort $(wildcard $(LIB_SRCDIR)/decompress/*_amd64.S)) + +ifneq ($(ZSTD_NO_ASM), 0) + CPPFLAGS += -DZSTD_DISABLE_ASM +else + # Unconditionally add the ASM files they are disabled by + # macros in the .S file. + ZSTD_DECOMPRESS_FILES += $(ZSTD_DECOMPRESS_AMD64_ASM_FILES) +endif + +ifneq ($(HUF_FORCE_DECOMPRESS_X1), 0) + CFLAGS += -DHUF_FORCE_DECOMPRESS_X1 +endif + +ifneq ($(HUF_FORCE_DECOMPRESS_X2), 0) + CFLAGS += -DHUF_FORCE_DECOMPRESS_X2 +endif + +ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT), 0) + CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT +endif + +ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG), 0) + CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG +endif + +ifneq ($(ZSTD_NO_INLINE), 0) + CFLAGS += -DZSTD_NO_INLINE +endif + +ifneq ($(ZSTD_STRIP_ERROR_STRINGS), 0) + CFLAGS += -DZSTD_STRIP_ERROR_STRINGS +endif + +ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0) + CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API +endif + +ifneq ($(ZSTD_LIB_EXCLUDE_COMPRESSORS_DFAST_AND_UP), 0) + CFLAGS += -DZSTD_EXCLUDE_DFAST_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_GREEDY_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_LAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR -DZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR +else +ifneq ($(ZSTD_LIB_EXCLUDE_COMPRESSORS_GREEDY_AND_UP), 0) + 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 +endif +endif + +ifneq ($(ZSTD_LEGACY_SUPPORT), 0) +ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0) + ZSTD_LEGACY_FILES += $(shell ls $(LIB_SRCDIR)/legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]') +endif +endif +CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) + +UNAME := $(shell uname) + +ifndef BUILD_DIR +ifeq ($(UNAME), Darwin) + ifeq ($(shell md5 < /dev/null > /dev/null; echo $$?), 0) + HASH ?= md5 + endif +else ifeq ($(UNAME), NetBSD) + HASH ?= md5 -n +else ifeq ($(UNAME), OpenBSD) + HASH ?= md5 +endif +HASH ?= md5sum + +HASH_DIR = conf_$(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(ZSTD_FILES) | $(HASH) | cut -f 1 -d " " ) +HAVE_HASH :=$(shell echo 1 | $(HASH) > /dev/null && echo 1 || echo 0) +ifeq ($(HAVE_HASH),0) + $(info warning : could not find HASH ($(HASH)), needed to differentiate builds using different flags) + BUILD_DIR := obj/generic_noconf +endif +endif # BUILD_DIR + +ZSTD_SUBDIR := $(LIB_SRCDIR)/common $(LIB_SRCDIR)/compress $(LIB_SRCDIR)/decompress $(LIB_SRCDIR)/dictBuilder $(LIB_SRCDIR)/legacy $(LIB_SRCDIR)/deprecated +vpath %.c $(ZSTD_SUBDIR) +vpath %.S $(ZSTD_SUBDIR) + +endif # LIBZSTD_MK_INCLUDED -- cgit v1.2.3