648db22b |
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 | ################################################################## |
12 | # Input Variables |
13 | ################################################################## |
14 | |
15 | # Zstd lib directory |
16 | LIBZSTD ?= ./ |
17 | |
18 | # ZSTD_LIB_MINIFY is a helper variable that |
19 | # configures a bunch of other variables to space-optimized defaults. |
20 | ZSTD_LIB_MINIFY ?= 0 |
21 | |
22 | # Legacy support |
23 | ifneq ($(ZSTD_LIB_MINIFY), 0) |
24 | ZSTD_LEGACY_SUPPORT ?= 0 |
25 | else |
26 | ZSTD_LEGACY_SUPPORT ?= 5 |
27 | endif |
28 | ZSTD_LEGACY_MULTITHREADED_API ?= 0 |
29 | |
30 | # Build size optimizations |
31 | ifneq ($(ZSTD_LIB_MINIFY), 0) |
32 | HUF_FORCE_DECOMPRESS_X1 ?= 1 |
33 | HUF_FORCE_DECOMPRESS_X2 ?= 0 |
34 | ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 1 |
35 | ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0 |
36 | ZSTD_NO_INLINE ?= 1 |
37 | ZSTD_STRIP_ERROR_STRINGS ?= 1 |
38 | else |
39 | HUF_FORCE_DECOMPRESS_X1 ?= 0 |
40 | HUF_FORCE_DECOMPRESS_X2 ?= 0 |
41 | ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT ?= 0 |
42 | ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG ?= 0 |
43 | ZSTD_NO_INLINE ?= 0 |
44 | ZSTD_STRIP_ERROR_STRINGS ?= 0 |
45 | endif |
46 | |
47 | # Assembly support |
48 | ZSTD_NO_ASM ?= 0 |
49 | |
50 | ################################################################## |
51 | # libzstd helpers |
52 | ################################################################## |
53 | |
54 | VOID ?= /dev/null |
55 | |
56 | # Make 4.3 doesn't support '\#' anymore (https://lwn.net/Articles/810071/) |
57 | NUM_SYMBOL := \# |
58 | |
59 | # define silent mode as default (verbose mode with V=1 or VERBOSE=1) |
60 | $(V)$(VERBOSE).SILENT: |
61 | |
62 | # When cross-compiling from linux to windows, |
63 | # one might need to specify TARGET_SYSTEM as "Windows." |
64 | # Building from Fedora fails without it. |
65 | # (but Ubuntu and Debian don't need to set anything) |
66 | TARGET_SYSTEM ?= $(OS) |
67 | |
68 | # Version numbers |
69 | LIBVER_SRC := $(LIBZSTD)/zstd.h |
70 | LIBVER_MAJOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MAJOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` |
71 | LIBVER_MINOR_SCRIPT:=`sed -n '/define ZSTD_VERSION_MINOR/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` |
72 | LIBVER_PATCH_SCRIPT:=`sed -n '/define ZSTD_VERSION_RELEASE/s/.*[[:blank:]]\([0-9][0-9]*\).*/\1/p' < $(LIBVER_SRC)` |
73 | LIBVER_SCRIPT:= $(LIBVER_MAJOR_SCRIPT).$(LIBVER_MINOR_SCRIPT).$(LIBVER_PATCH_SCRIPT) |
74 | LIBVER_MAJOR := $(shell echo $(LIBVER_MAJOR_SCRIPT)) |
75 | LIBVER_MINOR := $(shell echo $(LIBVER_MINOR_SCRIPT)) |
76 | LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT)) |
77 | LIBVER := $(shell echo $(LIBVER_SCRIPT)) |
78 | CCVER := $(shell $(CC) --version) |
79 | ZSTD_VERSION?= $(LIBVER) |
80 | |
81 | ifneq ($(ZSTD_LIB_MINIFY), 0) |
82 | HAVE_CC_OZ ?= $(shell echo "" | $(CC) -Oz -x c -c - -o /dev/null 2> /dev/null && echo 1 || echo 0) |
83 | ifneq ($(HAVE_CC_OZ), 0) |
84 | # Some compilers (clang) support an even more space-optimized setting. |
85 | CFLAGS += -Oz |
86 | else |
87 | CFLAGS += -Os |
88 | endif |
89 | CFLAGS += -fno-stack-protector -fomit-frame-pointer -fno-ident \ |
90 | -DDYNAMIC_BMI2=0 -DNDEBUG |
91 | else |
92 | CFLAGS ?= -O3 |
93 | endif |
94 | |
95 | DEBUGLEVEL ?= 0 |
96 | CPPFLAGS += -DXXH_NAMESPACE=ZSTD_ -DDEBUGLEVEL=$(DEBUGLEVEL) |
97 | ifeq ($(TARGET_SYSTEM),Windows_NT) # MinGW assumed |
98 | CPPFLAGS += -D__USE_MINGW_ANSI_STDIO # compatibility with %zu formatting |
99 | endif |
100 | DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \ |
101 | -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \ |
102 | -Wstrict-prototypes -Wundef -Wpointer-arith \ |
103 | -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \ |
104 | -Wredundant-decls -Wmissing-prototypes -Wc++-compat |
105 | CFLAGS += $(DEBUGFLAGS) $(MOREFLAGS) |
106 | ASFLAGS += $(DEBUGFLAGS) $(MOREFLAGS) $(CFLAGS) |
107 | LDFLAGS += $(MOREFLAGS) |
108 | FLAGS = $(CPPFLAGS) $(CFLAGS) $(ASFLAGS) $(LDFLAGS) |
109 | |
110 | ifndef ALREADY_APPENDED_NOEXECSTACK |
111 | export ALREADY_APPENDED_NOEXECSTACK := 1 |
112 | ifeq ($(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) |
113 | LDFLAGS += -z noexecstack |
114 | endif |
115 | ifeq ($(shell echo | $(CC) $(FLAGS) -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1) |
116 | CFLAGS += -Wa,--noexecstack |
117 | # CFLAGS are also added to ASFLAGS |
118 | else ifeq ($(shell echo | $(CC) $(FLAGS) -Qunused-arguments -Wa,--noexecstack -x assembler -Werror -c - -o $(VOID) 2>$(VOID) && echo 1 || echo 0),1) |
119 | # See e.g.: https://github.com/android/ndk/issues/171 |
120 | CFLAGS += -Qunused-arguments -Wa,--noexecstack |
121 | # CFLAGS are also added to ASFLAGS |
122 | endif |
123 | endif |
124 | |
125 | 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) |
126 | LDFLAGS += -z cet-report=error |
127 | endif |
128 | |
129 | HAVE_COLORNEVER = $(shell echo a | grep --color=never a > /dev/null 2> /dev/null && echo 1 || echo 0) |
130 | GREP_OPTIONS ?= |
131 | ifeq ($(HAVE_COLORNEVER), 1) |
132 | GREP_OPTIONS += --color=never |
133 | endif |
134 | GREP = grep $(GREP_OPTIONS) |
135 | |
136 | ZSTD_COMMON_FILES := $(sort $(wildcard $(LIBZSTD)/common/*.c)) |
137 | ZSTD_COMPRESS_FILES := $(sort $(wildcard $(LIBZSTD)/compress/*.c)) |
138 | ZSTD_DECOMPRESS_FILES := $(sort $(wildcard $(LIBZSTD)/decompress/*.c)) |
139 | ZSTD_DICTBUILDER_FILES := $(sort $(wildcard $(LIBZSTD)/dictBuilder/*.c)) |
140 | ZSTD_DEPRECATED_FILES := $(sort $(wildcard $(LIBZSTD)/deprecated/*.c)) |
141 | ZSTD_LEGACY_FILES := |
142 | |
143 | ZSTD_DECOMPRESS_AMD64_ASM_FILES := $(sort $(wildcard $(LIBZSTD)/decompress/*_amd64.S)) |
144 | |
145 | ifneq ($(ZSTD_NO_ASM), 0) |
146 | CPPFLAGS += -DZSTD_DISABLE_ASM |
147 | else |
148 | # Unconditionally add the ASM files they are disabled by |
149 | # macros in the .S file. |
150 | ZSTD_DECOMPRESS_FILES += $(ZSTD_DECOMPRESS_AMD64_ASM_FILES) |
151 | endif |
152 | |
153 | ifneq ($(HUF_FORCE_DECOMPRESS_X1), 0) |
154 | CFLAGS += -DHUF_FORCE_DECOMPRESS_X1 |
155 | endif |
156 | |
157 | ifneq ($(HUF_FORCE_DECOMPRESS_X2), 0) |
158 | CFLAGS += -DHUF_FORCE_DECOMPRESS_X2 |
159 | endif |
160 | |
161 | ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT), 0) |
162 | CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT |
163 | endif |
164 | |
165 | ifneq ($(ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG), 0) |
166 | CFLAGS += -DZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG |
167 | endif |
168 | |
169 | ifneq ($(ZSTD_NO_INLINE), 0) |
170 | CFLAGS += -DZSTD_NO_INLINE |
171 | endif |
172 | |
173 | ifneq ($(ZSTD_STRIP_ERROR_STRINGS), 0) |
174 | CFLAGS += -DZSTD_STRIP_ERROR_STRINGS |
175 | endif |
176 | |
177 | ifneq ($(ZSTD_LEGACY_MULTITHREADED_API), 0) |
178 | CFLAGS += -DZSTD_LEGACY_MULTITHREADED_API |
179 | endif |
180 | |
181 | ifneq ($(ZSTD_LEGACY_SUPPORT), 0) |
182 | ifeq ($(shell test $(ZSTD_LEGACY_SUPPORT) -lt 8; echo $$?), 0) |
183 | ZSTD_LEGACY_FILES += $(shell ls $(LIBZSTD)/legacy/*.c | $(GREP) 'v0[$(ZSTD_LEGACY_SUPPORT)-7]') |
184 | endif |
185 | endif |
186 | CPPFLAGS += -DZSTD_LEGACY_SUPPORT=$(ZSTD_LEGACY_SUPPORT) |
187 | |
188 | UNAME := $(shell uname) |
189 | |
190 | ifndef BUILD_DIR |
191 | ifeq ($(UNAME), Darwin) |
192 | ifeq ($(shell md5 < /dev/null > /dev/null; echo $$?), 0) |
193 | HASH ?= md5 |
194 | endif |
195 | else ifeq ($(UNAME), FreeBSD) |
196 | HASH ?= gmd5sum |
197 | else ifeq ($(UNAME), NetBSD) |
198 | HASH ?= md5 -n |
199 | else ifeq ($(UNAME), OpenBSD) |
200 | HASH ?= md5 |
201 | endif |
202 | HASH ?= md5sum |
203 | |
204 | HASH_DIR = conf_$(shell echo $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(ZSTD_FILES) | $(HASH) | cut -f 1 -d " " ) |
205 | HAVE_HASH :=$(shell echo 1 | $(HASH) > /dev/null && echo 1 || echo 0) |
206 | ifeq ($(HAVE_HASH),0) |
207 | $(info warning : could not find HASH ($(HASH)), needed to differentiate builds using different flags) |
208 | BUILD_DIR := obj/generic_noconf |
209 | endif |
210 | endif # BUILD_DIR |
211 | |
212 | ZSTD_SUBDIR := $(LIBZSTD)/common $(LIBZSTD)/compress $(LIBZSTD)/decompress $(LIBZSTD)/dictBuilder $(LIBZSTD)/legacy $(LIBZSTD)/deprecated |
213 | vpath %.c $(ZSTD_SUBDIR) |
214 | vpath %.S $(ZSTD_SUBDIR) |