1cmake_minimum_required(VERSION 3.5.1) 2if(CMAKE_VERSION VERSION_LESS 3.12) 3 cmake_policy(VERSION ${CMAKE_VERSION}) 4else() 5 cmake_policy(VERSION 3.5.1...3.13.2) 6endif() 7message(STATUS "Using CMake version ${CMAKE_VERSION}") 8 9set(CMAKE_MACOSX_RPATH 1) 10 11# If not specified on the command line, enable C99 as the default 12# Configuration items that affect the global compiler envirionment standards 13# should be issued before the "project" command. 14if(NOT CMAKE_C_STANDARD) 15 set(CMAKE_C_STANDARD 99) # The C standard whose features are requested to build this target 16endif() 17if(NOT CMAKE_C_STANDARD_REQUIRED) 18 set(CMAKE_C_STANDARD_REQUIRED ON) # Boolean describing whether the value of C_STANDARD is a requirement 19endif() 20if(NOT CMAKE_C_EXTENSIONS) 21 set(CMAKE_C_EXTENSIONS OFF) # Boolean specifying whether compiler specific extensions are requested 22endif() 23set(VALID_C_STANDARDS "99" "11") 24if(NOT CMAKE_C_STANDARD IN_LIST VALID_C_STANDARDS) 25 MESSAGE(FATAL_ERROR "CMAKE_C_STANDARD:STRING=${CMAKE_C_STANDARD} not in know standards list\n ${VALID_C_STANDARDS}") 26endif() 27 28# Parse the full version number from zlib.h and include in ZLIB_FULL_VERSION 29file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.h _zlib_h_contents) 30string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9]+.[0-9]+.[0-9]+).*\".*" 31 "\\1" ZLIB_HEADER_VERSION ${_zlib_h_contents}) 32string(REGEX REPLACE ".*#define[ \t]+ZLIBNG_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" 33 "\\1" ZLIBNG_HEADER_VERSION ${_zlib_h_contents}) 34message(STATUS "ZLIB_HEADER_VERSION: ${ZLIB_HEADER_VERSION}") 35message(STATUS "ZLIBNG_HEADER_VERSION: ${ZLIBNG_HEADER_VERSION}") 36 37project(zlib VERSION ${ZLIB_HEADER_VERSION} LANGUAGES C) 38 39include(CheckTypeSize) 40include(CheckSymbolExists) 41include(CheckFunctionExists) 42include(CheckIncludeFile) 43include(CheckCSourceCompiles) 44include(CheckCSourceRuns) 45include(CheckCCompilerFlag) 46include(CMakeDependentOption) 47include(FeatureSummary) 48 49include(cmake/detect-arch.cmake) 50include(cmake/detect-install-dirs.cmake) 51include(cmake/detect-coverage.cmake) 52include(cmake/detect-sanitizer.cmake) 53 54if(CMAKE_TOOLCHAIN_FILE) 55 message(STATUS "Using CMake toolchain: ${CMAKE_TOOLCHAIN_FILE}") 56endif() 57 58# Make sure we use an appropriate BUILD_TYPE by default, "Release" to be exact 59# this should select the maximum generic optimisation on the current platform (i.e. -O3 for gcc/clang) 60if(NOT CMAKE_BUILD_TYPE) 61 set(CMAKE_BUILD_TYPE "Release" CACHE STRING 62 "Choose the type of build, standard options are: Debug Release RelWithDebInfo MinSizeRel." 63 FORCE) 64 add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (default)") 65else() 66 add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (selected)") 67endif() 68 69# 70# Options parsing 71# 72macro(add_option name description value) 73 option(${name} ${description} ${value}) 74 add_feature_info(${name} ${name} ${description}) 75endmacro() 76 77add_option(WITH_GZFILEOP "Compile with support for gzFile related functions" ON) 78add_option(ZLIB_COMPAT "Compile with zlib compatible API" OFF) 79add_option(ZLIB_ENABLE_TESTS "Build test binaries" ON) 80add_option(ZLIB_DUAL_LINK "Dual link tests against system zlib" OFF) 81add_option(WITH_SANITIZER "Build with sanitizer (Memory, Address, Undefined)" OFF) 82add_option(WITH_FUZZERS "Build test/fuzz" OFF) 83add_option(WITH_OPTIM "Build with optimisation" ON) 84add_option(WITH_NEW_STRATEGIES "Use new strategies" ON) 85add_option(WITH_NATIVE_INSTRUCTIONS 86 "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)" OFF) 87add_option(WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings" OFF) 88add_option(WITH_CODE_COVERAGE "Enable code coverage reporting" OFF) 89add_option(WITH_INFLATE_STRICT "Build with strict inflate distance checking" OFF) 90add_option(WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances" OFF) 91add_option(WITH_UNALIGNED "Support unaligned reads on platforms that support it" ON) 92 93if(BASEARCH_ARM_FOUND) 94 add_option(WITH_ACLE "Build with ACLE" ON) 95 add_option(WITH_NEON "Build with NEON intrinsics" ON) 96elseif(BASEARCH_PPC_FOUND) 97 add_option(WITH_POWER8 "Build with optimisations for POWER8" ON) 98elseif(BASEARCH_S360_FOUND) 99 add_option(WITH_DFLTCC_DEFLATE "Build with DFLTCC intrinsics for compression on IBM Z" OFF) 100 add_option(WITH_DFLTCC_INFLATE "Build with DFLTCC intrinsics for decompression on IBM Z" OFF) 101elseif(BASEARCH_X86_FOUND) 102 add_option(WITH_AVX2 "Build with AVX2" ON) 103 add_option(WITH_SSE2 "Build with SSE2" ON) 104 add_option(WITH_SSSE3 "Build with SSSE3" ON) 105 add_option(WITH_SSE4 "Build with SSE4" ON) 106 add_option(WITH_PCLMULQDQ "Build with PCLMULQDQ" ON) 107endif() 108add_option(INSTALL_UTILS "Copy minigzip and minideflate during install" OFF) 109 110mark_as_advanced(FORCE 111 ZLIB_DUAL_LINK 112 WITH_ACLE WITH_NEON 113 WITH_DFLTCC_DEFLATE 114 WITH_DFLTCC_INFLATE 115 WITH_AVX2 WITH_SSE2 116 WITH_SSSE3 WITH_SSE4 117 WITH_PCLMULQDQ 118 WITH_POWER8 119 WITH_INFLATE_STRICT 120 WITH_INFLATE_ALLOW_INVALID_DIST 121 WITH_UNALIGNED 122 INSTALL_UTILS 123 ) 124 125if(ZLIB_COMPAT) 126 add_definitions(-DZLIB_COMPAT) 127 set(WITH_GZFILEOP ON) 128 set(SUFFIX "") 129else() 130 set(SUFFIX "-ng") 131endif() 132 133if(WITH_GZFILEOP) 134 add_definitions(-DWITH_GZFILEOP) 135endif() 136 137if("${CMAKE_C_COMPILER}" MATCHES "icc" OR "${CMAKE_C_COMPILER}" MATCHES "icpc" OR "${CMAKE_C_COMPILER}" MATCHES "icl") 138 if(CMAKE_HOST_UNIX OR APPLE) 139 set(WARNFLAGS "-w3") 140 set(WARNFLAGS_MAINTAINER "-w3 -Wcheck -Wremarks") 141 set(WARNFLAGS_DISABLE "") 142 if(BASEARCH_X86_FOUND) 143 set(AVX2FLAG "-mavx2") 144 set(SSE2FLAG "-msse2") 145 set(SSSE3FLAG "-mssse3") 146 set(SSE4FLAG "-msse4.2") 147 endif() 148 else() 149 set(WARNFLAGS "/W3") 150 set(WARNFLAGS_MAINTAINER "/W5") 151 set(WARNFLAGS_DISABLE "") 152 if(BASEARCH_X86_FOUND) 153 set(AVX2FLAG "/arch:AVX2") 154 set(SSE2FLAG "/arch:SSE2") 155 set(SSSE3FLAG "/arch:SSSE3") 156 set(SSE4FLAG "/arch:SSE4.2") 157 endif() 158 endif() 159 if(WITH_NATIVE_INSTRUCTIONS) 160 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration") 161 endif() 162elseif(MSVC) 163 # Minimum supported MSVC version is 1800 = Visual Studio 12.0/2013 164 # See also https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html 165 if(MSVC_VERSION VERSION_LESS 1800) 166 message(SEND_ERROR "Unsupported Visual Studio compiler version (requires 2013 or later).") 167 endif() 168 # TODO. ICC can be used through MSVC. I'm not sure if we'd ever see that combination 169 # (who'd use cmake from an IDE...) but checking for ICC before checking for MSVC should 170 # avoid mistakes. 171 # /Oi ? 172 set(WARNFLAGS "/W3") 173 set(WARNFLAGS_MAINTAINER "/W4") 174 set(WARNFLAGS_DISABLE "") 175 if(BASEARCH_ARM_FOUND) 176 add_definitions(-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE) 177 if(NOT "${ARCH}" MATCHES "aarch64") 178 set(NEONFLAG "/arch:VFPv4") 179 endif() 180 elseif(BASEARCH_X86_FOUND) 181 if(NOT "${ARCH}" MATCHES "x86_64") 182 set(SSE2FLAG "/arch:SSE2") 183 endif() 184 endif() 185 if(WITH_NATIVE_INSTRUCTIONS) 186 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration") 187 endif() 188else() 189 # catch all GNU C compilers as well as Clang and AppleClang 190 if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang") 191 set(__GNUC__ ON) 192 endif() 193 # Enable warnings in GCC and Clang 194 if(__GNUC__) 195 set(WARNFLAGS "-Wall") 196 set(WARNFLAGS_MAINTAINER "-Wextra -Wpedantic") 197 set(WARNFLAGS_DISABLE "-Wno-implicit-fallthrough") 198 endif() 199 if(WITH_NATIVE_INSTRUCTIONS) 200 if(__GNUC__) 201 if(BASEARCH_PPC_FOUND) 202 set(NATIVEFLAG "-mcpu=native") 203 else() 204 set(NATIVEFLAG "-march=native") 205 endif() 206 else() 207 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not implemented yet on this configuration") 208 endif() 209 endif() 210 if(NOT NATIVEFLAG) 211 if(__GNUC__) 212 if(BASEARCH_ARM_FOUND) 213 if("${ARCH}" MATCHES "arm" AND NOT CMAKE_C_FLAGS MATCHES "-mfloat-abi") 214 # Auto-detect support for ARM floating point ABI 215 check_c_compiler_flag(-mfloat-abi=softfp HAVE_FLOATABI_SOFTFP) 216 if(HAVE_FLOATABI_SOFTFP) 217 set(FLOATABI "-mfloat-abi=softfp") 218 else() 219 check_c_compiler_flag(-mfloat-abi=hard HAVE_FLOATABI_HARD) 220 if(HAVE_FLOATABI_HARD) 221 set(FLOATABI "-mfloat-abi=hard") 222 endif() 223 endif() 224 if(FLOATABI) 225 message(STATUS "ARM floating point arch: ${FLOATABI}") 226 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLOATABI}") 227 else() 228 message(STATUS "ARM floating point arch not auto-detected") 229 endif() 230 endif() 231 # NEON 232 if("${ARCH}" MATCHES "aarch64") 233 set(NEONFLAG "-march=armv8-a+simd") 234 else() 235 # Check whether -mfpu=neon is available 236 set(CMAKE_REQUIRED_FLAGS "-mfpu=neon") 237 check_c_source_compiles( 238 "int main() { return 0; }" 239 MFPU_NEON_AVAILABLE FAIL_REGEX "not supported") 240 set(CMAKE_REQUIRED_FLAGS) 241 if(MFPU_NEON_AVAILABLE) 242 set(NEONFLAG "-mfpu=neon") 243 endif() 244 endif() 245 # ACLE 246 set(ACLEFLAG "-march=armv8-a+crc") 247 elseif(BASEARCH_PPC_FOUND) 248 set(POWER8FLAG "-mcpu=power8") 249 elseif(BASEARCH_X86_FOUND) 250 set(AVX2FLAG "-mavx2") 251 set(SSE2FLAG "-msse2") 252 set(SSSE3FLAG "-mssse3") 253 set(SSE4FLAG "-msse4") 254 set(PCLMULFLAG "-mpclmul") 255 endif() 256 # Check whether -fno-lto is available 257 set(CMAKE_REQUIRED_FLAGS "-fno-lto") 258 check_c_source_compiles( 259 "int main() { return 0; }" 260 FNO_LTO_AVAILABLE FAIL_REGEX "not supported") 261 set(CMAKE_REQUIRED_FLAGS) 262 if(FNO_LTO_AVAILABLE) 263 set(NOLTOFLAG "-fno-lto") 264 endif() 265 endif() 266 endif() 267endif() 268 269# Replace optimization level 3 added by default with level 2 270if(NOT MSVC AND NOT CMAKE_C_FLAGS MATCHES "([\\/\\-]O)3") 271 string(REGEX REPLACE "([\\/\\-]O)3" "\\12" 272 CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") 273endif() 274 275# Set architecture alignment requirements 276if(WITH_UNALIGNED) 277 if(BASEARCH_ARM_FOUND OR (BASEARCH_PPC_FOUND AND "${ARCH}" MATCHES "powerpc64le") OR BASEARCH_X86_FOUND) 278 if(NOT DEFINED UNALIGNED_OK) 279 set(UNALIGNED_OK TRUE) 280 endif() 281 endif() 282 if(UNALIGNED_OK) 283 add_definitions(-DUNALIGNED_OK) 284 message(STATUS "Architecture supports unaligned reads") 285 endif() 286 if(BASEARCH_ARM_FOUND) 287 if(NOT DEFINED UNALIGNED64_OK) 288 if("${ARCH}" MATCHES "(arm(v[8-9])?|aarch64)") 289 set(UNALIGNED64_OK TRUE) 290 endif() 291 endif() 292 endif() 293 if(BASEARCH_PPC_FOUND) 294 if(NOT DEFINED UNALIGNED64_OK) 295 if("${ARCH}" MATCHES "powerpc64le") 296 set(UNALIGNED64_OK TRUE) 297 endif() 298 endif() 299 endif() 300 if(BASEARCH_X86_FOUND) 301 if(NOT DEFINED UNALIGNED64_OK) 302 set(UNALIGNED64_OK TRUE) 303 endif() 304 endif() 305 if(UNALIGNED64_OK) 306 add_definitions(-DUNALIGNED64_OK) 307 message(STATUS "Architecture supports unaligned reads of > 4 bytes") 308 endif() 309else() 310 message(STATUS "Unaligned reads manually disabled") 311endif() 312 313# Apply warning compiler flags 314if(WITH_MAINTAINER_WARNINGS) 315 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNFLAGS} ${WARNFLAGS_MAINTAINER} ${WARNFLAGS_DISABLE}") 316else() 317 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNFLAGS} ${WARNFLAGS_DISABLE}") 318endif() 319 320# Set code coverage compiler flags 321if(WITH_CODE_COVERAGE) 322 add_code_coverage() 323endif() 324 325# Set native instruction set compiler flag 326if(WITH_NATIVE_INSTRUCTIONS AND DEFINED NATIVEFLAG) 327 # Apply flag to all source files and compilation checks 328 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${NATIVEFLAG}") 329endif() 330 331# 332# Check for standard/system includes 333# 334check_include_file(stdarg.h HAVE_STDARG_H) 335check_include_file(sys/sdt.h HAVE_SYS_SDT_H) 336if(HAVE_SYS_SDT_H) 337 add_definitions(-DHAVE_SYS_SDT_H) 338endif() 339check_include_file(unistd.h HAVE_UNISTD_H) 340 341# 342# Check to see if we have large file support 343# 344set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 345check_type_size(off64_t OFF64_T) 346if(HAVE_OFF64_T) 347 add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 348else() 349 check_type_size(_off64_t _OFF64_T) 350 if(HAVE__OFF64_T) 351 add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 352 else() 353 check_type_size(__off64_t __OFF64_T) 354 endif() 355endif() 356set(CMAKE_REQUIRED_DEFINITIONS) # clear variable 357 358# 359# Check for fseeko and other optional functions 360# 361check_function_exists(fseeko HAVE_FSEEKO) 362if(NOT HAVE_FSEEKO) 363 add_definitions(-DNO_FSEEKO) 364endif() 365check_function_exists(strerror HAVE_STRERROR) 366if(NOT HAVE_STRERROR) 367 add_definitions(-DNO_STRERROR) 368endif() 369 370if(WITH_SANITIZER STREQUAL "Address") 371 add_address_sanitizer() 372elseif(WITH_SANITIZER STREQUAL "Memory") 373 add_memory_sanitizer() 374elseif(WITH_SANITIZER STREQUAL "Undefined") 375 add_undefined_sanitizer() 376endif() 377 378# 379# Check whether compiler supports -fno-semantic-interposition parameter 380# 381check_c_compiler_flag(-fno-semantic-interposition HAVE_NO_INTERPOSITION) 382 383# 384# Check if we can hide zlib internal symbols that are linked between separate source files using hidden 385# 386check_c_source_compiles( 387 "#define Z_INTERNAL __attribute__((visibility (\"hidden\"))) 388 int Z_INTERNAL foo; 389 int main() { 390 return 0; 391 }" 392 HAVE_ATTRIBUTE_VISIBILITY_HIDDEN FAIL_REGEX "not supported") 393if(HAVE_ATTRIBUTE_VISIBILITY_HIDDEN) 394 add_definitions(-DHAVE_VISIBILITY_HIDDEN) 395endif() 396 397# 398# Check if we can hide zlib internal symbols that are linked between separate source files using internal 399# 400check_c_source_compiles( 401 "#define Z_INTERNAL __attribute__((visibility (\"internal\"))) 402 int Z_INTERNAL foo; 403 int main() { 404 return 0; 405 }" 406 HAVE_ATTRIBUTE_VISIBILITY_INTERNAL FAIL_REGEX "not supported") 407if(HAVE_ATTRIBUTE_VISIBILITY_INTERNAL) 408 add_definitions(-DHAVE_VISIBILITY_INTERNAL) 409endif() 410 411# 412# check for __builtin_ctz() support in the compiler 413# 414check_c_source_compiles( 415 "int main(void) { 416 unsigned int zero = 0; 417 long test = __builtin_ctz(zero); 418 (void)test; 419 return 0; 420 }" 421 HAVE_BUILTIN_CTZ 422) 423if(HAVE_BUILTIN_CTZ) 424 add_definitions(-DHAVE_BUILTIN_CTZ) 425endif() 426# 427# check for __builtin_ctzll() support in the compiler 428# 429check_c_source_compiles( 430 "int main(void) { 431 unsigned int zero = 0; 432 long test = __builtin_ctzll(zero); 433 (void)test; 434 return 0; 435 }" 436 HAVE_BUILTIN_CTZLL 437) 438if(HAVE_BUILTIN_CTZLL) 439 add_definitions(-DHAVE_BUILTIN_CTZLL) 440endif() 441 442# 443# check for ptrdiff_t support 444# 445check_c_source_compiles( 446 "#include <stddef.h> 447 int main() { 448 ptrdiff_t *a; 449 (void)a; 450 return 0; 451 }" 452 HAVE_PTRDIFF_T 453) 454if(NOT HAVE_PTRDIFF_T) 455 set(NEED_PTRDIFF_T 1) 456 457 check_type_size("void *" SIZEOF_DATA_PTR) 458 message(STATUS "sizeof(void *) is ${SIZEOF_DATA_PTR} bytes") 459 460 if(${SIZEOF_DATA_PTR} MATCHES "4") 461 set(PTRDIFF_TYPE "uint32_t") 462 elseif(${SIZEOF_DATA_PTR} MATCHES "8") 463 set(PTRDIFF_TYPE "uint64_t") 464 else() 465 message(FATAL_ERROR "sizeof(void *) is neither 32 nor 64 bit") 466 endif() 467endif() 468 469# Macro to check if source compiles 470# (and, when compiling very natively, also runs). 471macro(check_c_source_compile_or_run source flag) 472 if(CMAKE_CROSSCOMPILING OR NOT WITH_NATIVE_INSTRUCTIONS) 473 check_c_source_compiles("${source}" ${flag}) 474 else() 475 check_c_source_runs("${source}" ${flag}) 476 endif() 477endmacro() 478 479set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DZLIB_DEBUG") 480 481if(MSVC) 482 set(CMAKE_DEBUG_POSTFIX "d") 483 add_definitions(-D_CRT_SECURE_NO_DEPRECATE) 484 add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) 485endif() 486 487if(BASEARCH_PPC_FOUND) 488 # Check if we have what we need for POWER8 optimizations 489 set(CMAKE_REQUIRED_FLAGS "${POWER8FLAG}") 490 check_c_source_compiles( 491 "#include <sys/auxv.h> 492 int main() { 493 return (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07); 494 }" 495 HAVE_POWER8 496 ) 497 set(CMAKE_REQUIRED_FLAGS) 498elseif(BASEARCH_X86_FOUND) 499 # Check whether compiler supports SSE2 instrinics 500 set(CMAKE_REQUIRED_FLAGS "${SSE2FLAG}") 501 check_c_source_compile_or_run( 502 "#include <immintrin.h> 503 int main(void) { 504 __m128i zero = _mm_setzero_si128(); 505 (void)zero; 506 return 0; 507 }" 508 HAVE_SSE2_INTRIN 509 ) 510 # Check whether compiler supports SSSE3 intrinsics 511 set(CMAKE_REQUIRED_FLAGS "${SSSE3FLAG}") 512 check_c_source_compile_or_run( 513 "#include <immintrin.h> 514 int main(void) { 515 __m128i u, v, w; 516 u = _mm_set1_epi32(1); 517 v = _mm_set1_epi32(2); 518 w = _mm_hadd_epi32(u, v); 519 (void)w; 520 return 0; 521 }" 522 HAVE_SSSE3_INTRIN 523 ) 524 # Check whether compiler supports SSE4 CRC inline asm 525 set(CMAKE_REQUIRED_FLAGS "${SSE4FLAG}") 526 check_c_source_compile_or_run( 527 "int main(void) { 528 unsigned val = 0, h = 0; 529 #if defined(_MSC_VER) 530 { __asm mov edx, h __asm mov eax, val __asm crc32 eax, edx __asm mov val, eax } 531 #else 532 __asm__ __volatile__ ( \"crc32 %1,%0\" : \"+r\" (h) : \"r\" (val) ); 533 #endif 534 return (int)h; 535 }" 536 HAVE_SSE42CRC_INLINE_ASM 537 ) 538 # Check whether compiler supports SSE4 CRC intrinsics 539 check_c_source_compile_or_run( 540 "#include <immintrin.h> 541 int main(void) { 542 unsigned crc = 0; 543 char c = 'c'; 544 #if defined(_MSC_VER) 545 crc = _mm_crc32_u32(crc, c); 546 #else 547 crc = __builtin_ia32_crc32qi(crc, c); 548 #endif 549 (void)crc; 550 return 0; 551 }" 552 HAVE_SSE42CRC_INTRIN 553 ) 554 # Check whether compiler supports SSE4.2 compare string instrinics 555 check_c_source_compile_or_run( 556 "#include <immintrin.h> 557 int main(void) { 558 unsigned char a[64] = { 0 }; 559 unsigned char b[64] = { 0 }; 560 __m128i xmm_src0, xmm_src1; 561 xmm_src0 = _mm_loadu_si128((__m128i *)(char *)a); 562 xmm_src1 = _mm_loadu_si128((__m128i *)(char *)b); 563 return _mm_cmpestri(xmm_src0, 16, xmm_src1, 16, 0); 564 }" 565 HAVE_SSE42CMPSTR_INTRIN 566 ) 567 # Check whether compiler supports PCLMULQDQ intrinsics 568 set(CMAKE_REQUIRED_FLAGS "${PCLMULFLAG}") 569 if(NOT (APPLE AND "${ARCH}" MATCHES "i386")) 570 # The pclmul code currently crashes on Mac in 32bit mode. Avoid for now. 571 check_c_source_compile_or_run( 572 "#include <immintrin.h> 573 int main(void) { 574 __m128i a = _mm_setzero_si128(); 575 __m128i b = _mm_setzero_si128(); 576 __m128i c = _mm_clmulepi64_si128(a, b, 0x10); 577 (void)c; 578 return 0; 579 }" 580 HAVE_PCLMULQDQ_INTRIN 581 ) 582 else() 583 set(HAVE_PCLMULQDQ_INTRIN NO) 584 endif() 585 # Check whether compiler supports AVX2 intrinics 586 set(CMAKE_REQUIRED_FLAGS "${AVX2FLAG}") 587 check_c_source_compile_or_run( 588 "#include <immintrin.h> 589 int main(void) { 590 __m256i x = _mm256_set1_epi16(2); 591 const __m256i y = _mm256_set1_epi16(1); 592 x = _mm256_subs_epu16(x, y); 593 (void)x; 594 return 0; 595 }" 596 HAVE_AVX2_INTRIN 597 ) 598 set(CMAKE_REQUIRED_FLAGS) 599 600 # FORCE_SSE2 option will only be shown if HAVE_SSE2_INTRIN is true 601 if("${ARCH}" MATCHES "i[3-6]86") 602 cmake_dependent_option(FORCE_SSE2 "Always assume CPU is SSE2 capable" OFF "HAVE_SSE2_INTRIN" OFF) 603 endif() 604endif() 605 606# 607# Enable deflate_quick at level 1 608# 609if(NOT WITH_NEW_STRATEGIES) 610 add_definitions(-DNO_QUICK_STRATEGY) 611endif() 612# 613# Enable deflate_medium at level 4-6 614# 615if(NOT WITH_NEW_STRATEGIES) 616 add_definitions(-DNO_MEDIUM_STRATEGY) 617endif() 618# 619# Enable inflate compilation options 620# 621if(WITH_INFLATE_STRICT) 622 add_definitions(-DINFLATE_STRICT) 623 message(STATUS "Inflate strict distance checking enabled") 624endif() 625if(WITH_INFLATE_ALLOW_INVALID_DIST) 626 add_definitions(-DINFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR) 627 message(STATUS "Inflate zero data for invalid distances enabled") 628endif() 629 630 631set(ZLIB_ARCH_SRCS) 632set(ZLIB_ARCH_HDRS) 633set(ARCHDIR "arch/generic") 634if(BASEARCH_ARM_FOUND) 635 set(ARCHDIR "arch/arm") 636elseif(BASEARCH_PPC_FOUND) 637 set(ARCHDIR "arch/power") 638elseif(BASEARCH_S360_FOUND) 639 set(ARCHDIR "arch/s390") 640elseif(BASEARCH_X86_FOUND) 641 set(ARCHDIR "arch/x86") 642 if(NOT ${ARCH} MATCHES "x86_64") 643 add_feature_info(SSE2 1 "Support the SSE2 instruction set, using \"${SSE2FLAG}\"") 644 endif() 645else() 646 message(STATUS "No optimized architecture: using ${ARCHDIR}") 647endif() 648 649if(WITH_OPTIM) 650 if(BASEARCH_ARM_FOUND) 651 add_definitions(-DARM_FEATURES) 652 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux") 653 check_c_source_compiles( 654 "#include <sys/auxv.h> 655 int main() { 656 return (getauxval(AT_HWCAP2) & HWCAP2_CRC32); 657 }" 658 ARM_AUXV_HAS_CRC32 659 ) 660 if(ARM_AUXV_HAS_CRC32) 661 add_definitions(-DARM_AUXV_HAS_CRC32) 662 else() 663 message(STATUS "HWCAP2_CRC32 not present in sys/auxv.h; cannot detect support at runtime.") 664 endif() 665 if(NOT "${ARCH}" MATCHES "aarch64") 666 check_c_source_compiles( 667 "#include <sys/auxv.h> 668 int main() { 669 return (getauxval(AT_HWCAP) & HWCAP_NEON); 670 }" 671 ARM_AUXV_HAS_NEON 672 ) 673 if(ARM_AUXV_HAS_NEON) 674 add_definitions(-DARM_AUXV_HAS_NEON) 675 else() 676 message(STATUS "HWCAP_NEON not present in sys/auxv.h; cannot detect support at runtime.") 677 endif() 678 endif() 679 endif() 680 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/arm.h) 681 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/armfeature.c) 682 if(WITH_ACLE AND NOT MSVC) 683 add_definitions(-DARM_ACLE_CRC_HASH) 684 set(ACLE_SRCS ${ARCHDIR}/crc32_acle.c ${ARCHDIR}/insert_string_acle.c) 685 set_property(SOURCE ${ACLE_SRCS} PROPERTY COMPILE_FLAGS "${ACLEFLAG} ${NOLTOFLAG}") 686 list(APPEND ZLIB_ARCH_SRCS ${ACLE_SRCS}) 687 add_feature_info(ACLE_CRC 1 "Support ACLE optimized CRC hash generation, using \"${ACLEFLAG}\"") 688 endif() 689 if(WITH_NEON) 690 add_definitions(-DARM_NEON_ADLER32 -DARM_NEON_CHUNKSET -DARM_NEON_SLIDEHASH) 691 set(NEON_SRCS ${ARCHDIR}/adler32_neon.c ${ARCHDIR}/chunkset_neon.c ${ARCHDIR}/slide_neon.c) 692 list(APPEND ZLIB_ARCH_SRCS ${NEON_SRCS}) 693 set_property(SOURCE ${NEON_SRCS} PROPERTY COMPILE_FLAGS "${NEONFLAG} ${NOLTOFLAG}") 694 if(MSVC) 695 add_definitions(-D__ARM_NEON__) 696 endif() 697 add_feature_info(NEON_ADLER32 1 "Support NEON instructions in adler32, using \"${NEONFLAG}\"") 698 add_feature_info(NEON_SLIDEHASH 1 "Support NEON instructions in slide_hash, using \"${NEONFLAG}\"") 699 endif() 700 elseif(BASEARCH_PPC_FOUND) 701 if(WITH_POWER8 AND HAVE_POWER8) 702 add_definitions(-DPOWER8) 703 add_definitions(-DPOWER_FEATURES) 704 add_definitions(-DPOWER8_VSX_ADLER32) 705 add_definitions(-DPOWER8_VSX_SLIDEHASH) 706 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power.h) 707 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/power.c) 708 set(POWER8_SRCS ${ARCHDIR}/adler32_power8.c ${ARCHDIR}/slide_hash_power8.c) 709 list(APPEND ZLIB_ARCH_SRCS ${POWER8_SRCS}) 710 set_property(SOURCE ${POWER8_SRCS} PROPERTY COMPILE_FLAGS "${POWER8FLAG} ${NOLTOFLAG}") 711 endif() 712 elseif(BASEARCH_S360_FOUND) 713 if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE) 714 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_common.c) 715 add_definitions(-DGZBUFSIZE=262144) 716 endif() 717 if(WITH_DFLTCC_DEFLATE) 718 add_definitions(-DS390_DFLTCC_DEFLATE) 719 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_deflate.c) 720 endif() 721 if(WITH_DFLTCC_INFLATE) 722 add_definitions(-DS390_DFLTCC_INFLATE) 723 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_inflate.c) 724 endif() 725 elseif(BASEARCH_X86_FOUND) 726 add_definitions(-DX86_FEATURES) 727 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86.h) 728 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/x86.c) 729 if(MSVC) 730 list(APPEND ZLIB_ARCH_HDRS fallback_builtins.h) 731 endif() 732 if(WITH_AVX2 AND HAVE_AVX2_INTRIN) 733 add_definitions(-DX86_AVX2 -DX86_AVX2_ADLER32 -DX86_AVX_CHUNKSET) 734 set(AVX2_SRCS ${ARCHDIR}/slide_avx.c) 735 add_feature_info(AVX2_SLIDEHASH 1 "Support AVX2 optimized slide_hash, using \"${AVX2FLAG}\"") 736 list(APPEND AVX2_SRCS ${ARCHDIR}/chunkset_avx.c) 737 add_feature_info(AVX_CHUNKSET 1 "Support AVX optimized chunkset, using \"${AVX2FLAG}\"") 738 list(APPEND AVX2_SRCS ${ARCHDIR}/compare258_avx.c) 739 add_feature_info(AVX2_COMPARE258 1 "Support AVX2 optimized compare258, using \"${AVX2FLAG}\"") 740 list(APPEND AVX2_SRCS ${ARCHDIR}/adler32_avx.c) 741 add_feature_info(AVX2_ADLER32 1 "Support AVX2-accelerated adler32, using \"${AVX2FLAG}\"") 742 list(APPEND ZLIB_ARCH_SRCS ${AVX2_SRCS}) 743 set_property(SOURCE ${AVX2_SRCS} PROPERTY COMPILE_FLAGS "${AVX2FLAG} ${NOLTOFLAG}") 744 endif() 745 if(WITH_SSE4 AND (HAVE_SSE42CRC_INLINE_ASM OR HAVE_SSE42CRC_INTRIN)) 746 add_definitions(-DX86_SSE42_CRC_HASH) 747 set(SSE42_SRCS ${ARCHDIR}/insert_string_sse.c) 748 add_feature_info(SSE42_CRC 1 "Support SSE4.2 optimized CRC hash generation, using \"${SSE4FLAG}\"") 749 list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS}) 750 set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE4FLAG} ${NOLTOFLAG}") 751 if(HAVE_SSE42CRC_INTRIN) 752 add_definitions(-DX86_SSE42_CRC_INTRIN) 753 endif() 754 endif() 755 if(HAVE_SSE42CMPSTR_INTRIN) 756 add_definitions(-DX86_SSE42_CMP_STR) 757 set(SSE42_SRCS ${ARCHDIR}/compare258_sse.c) 758 add_feature_info(SSE42_COMPARE258 1 "Support SSE4.2 optimized compare258, using \"${SSE4FLAG}\"") 759 list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS}) 760 set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE4FLAG} ${NOLTOFLAG}") 761 endif() 762 if(WITH_SSE2 AND HAVE_SSE2_INTRIN) 763 add_definitions(-DX86_SSE2 -DX86_SSE2_CHUNKSET -DX86_SSE2_SLIDEHASH) 764 set(SSE2_SRCS ${ARCHDIR}/chunkset_sse.c ${ARCHDIR}/slide_sse.c) 765 list(APPEND ZLIB_ARCH_SRCS ${SSE2_SRCS}) 766 if(NOT ${ARCH} MATCHES "x86_64") 767 set_property(SOURCE ${SSE2_SRCS} PROPERTY COMPILE_FLAGS "${SSE2FLAG} ${NOLTOFLAG}") 768 add_feature_info(FORCE_SSE2 FORCE_SSE2 "Assume CPU is SSE2 capable") 769 if(FORCE_SSE2) 770 add_definitions(-DX86_NOCHECK_SSE2) 771 endif() 772 endif() 773 endif() 774 if(WITH_SSSE3 AND HAVE_SSSE3_INTRIN) 775 add_definitions(-DX86_SSSE3 -DX86_SSSE3_ADLER32) 776 set(SSSE3_SRCS ${ARCHDIR}/adler32_ssse3.c) 777 add_feature_info(SSSE3_ADLER32 1 "Support SSSE3-accelerated adler32, using \"${SSSE3FLAG}\"") 778 list(APPEND ZLIB_ARCH_SRCS ${SSSE3_SRCS}) 779 set_property(SOURCE ${SSSE3_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${NOLTOFLAG}") 780 endif() 781 if(WITH_PCLMULQDQ AND HAVE_PCLMULQDQ_INTRIN AND WITH_SSSE3 AND WITH_SSE4) 782 add_definitions(-DX86_PCLMULQDQ_CRC) 783 set(PCLMULQDQ_SRCS ${ARCHDIR}/crc_folding.c) 784 add_feature_info(PCLMUL_CRC 1 "Support CRC hash generation using PCLMULQDQ, using \"${SSSE3FLAG} ${SSE4FLAG} ${PCLMULFLAG}\"") 785 list(APPEND ZLIB_ARCH_SRCS ${PCLMULQDQ_SRCS}) 786 set_property(SOURCE ${PCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${SSE4FLAG} ${PCLMULFLAG} ${NOLTOFLAG}") 787 endif() 788 endif() 789endif() 790message(STATUS "Architecture-specific source files: ${ZLIB_ARCH_SRCS}") 791 792#============================================================================ 793# zconf.h 794#============================================================================ 795 796macro(generate_cmakein input output) 797 file(REMOVE ${output}) 798 file(STRINGS ${input} _lines) 799 foreach(_line IN LISTS _lines) 800 string(REGEX REPLACE "#ifdef HAVE_UNISTD_H.*" "@ZCONF_UNISTD_LINE@" _line "${_line}") 801 string(REGEX REPLACE "#ifdef HAVE_STDARG_H.*" "@ZCONF_STDARG_LINE@" _line "${_line}") 802 string(REGEX REPLACE "#ifdef NEED_PTRDIFF_T.*" "@ZCONF_PTRDIFF_LINE@" _line "${_line}") 803 if(NEED_PTRDIFF_T) 804 string(REGEX REPLACE "typedef PTRDIFF_TYPE" "typedef @PTRDIFF_TYPE@" _line "${_line}") 805 endif() 806 file(APPEND ${output} "${_line}\n") 807 endforeach() 808endmacro(generate_cmakein) 809 810generate_cmakein( ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein ) 811 812if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) 813 # If we're doing an out of source build and the user has a zconf.h 814 # in their source tree... 815 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h) 816 message(STATUS "Renaming") 817 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h") 818 message(STATUS "to 'zconf${SUFFIX}.h.included' because this file is included with zlib") 819 message(STATUS "but CMake generates it automatically in the build directory.") 820 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.included) 821 endif() 822 823 # If we're doing an out of source build and the user has a zconf.h.cmakein 824 # in their source tree... 825 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein) 826 message(STATUS "Renaming") 827 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein") 828 message(STATUS "to 'zconf${SUFFIX}.h.cmakeincluded' because this file is included with zlib") 829 message(STATUS "but CMake generates it automatically in the build directory.") 830 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakeincluded) 831 endif() 832endif() 833 834# Refer to prefix symbolically to ease relocation by end user, 835# as Makefile-generated .pc file does. 836if(INC_INSTALL_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/include") 837 set(PC_INC_INSTALL_DIR "\${prefix}/include") 838else() 839 set(PC_INC_INSTALL_DIR "${INC_INSTALL_DIR}") 840endif() 841if(LIB_INSTALL_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/lib") 842 set(PC_LIB_INSTALL_DIR "\${exec_prefix}/lib") 843else() 844 set(PC_LIB_INSTALL_DIR "${LIB_INSTALL_DIR}") 845endif() 846 847#============================================================================ 848# zlib 849#============================================================================ 850 851set(ZLIB_PUBLIC_HDRS 852 ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h 853 zlib${SUFFIX}.h 854) 855set(ZLIB_PRIVATE_HDRS 856 adler32_p.h 857 chunkset_tpl.h 858 crc32_p.h 859 crc32_tbl.h 860 crc32_comb_tbl.h 861 deflate.h 862 deflate_p.h 863 functable.h 864 inffast.h 865 inffixed_tbl.h 866 inflate.h 867 inflate_p.h 868 inftrees.h 869 insert_string_tpl.h 870 match_tpl.h 871 trees.h 872 trees_emit.h 873 trees_tbl.h 874 zbuild.h 875 zendian.h 876 zutil.h 877) 878set(ZLIB_SRCS 879 adler32.c 880 chunkset.c 881 compare258.c 882 compress.c 883 crc32.c 884 crc32_comb.c 885 deflate.c 886 deflate_fast.c 887 deflate_medium.c 888 deflate_quick.c 889 deflate_slow.c 890 functable.c 891 infback.c 892 inffast.c 893 inflate.c 894 inftrees.c 895 insert_string.c 896 trees.c 897 uncompr.c 898 zutil.c 899) 900 901set(ZLIB_GZFILE_PRIVATE_HDRS 902 gzguts.h 903) 904set(ZLIB_GZFILE_SRCS 905 gzlib.c 906 gzread.c 907 gzwrite.c 908) 909 910if(NOT MINGW AND NOT MSYS) 911 set(ZLIB_DLL_SRCS 912 win32/zlib${SUFFIX}1.rc # If present will override custom build rule below. 913 ) 914endif() 915 916if(MINGW OR MSYS) 917 # This gets us DLL resource information when compiling on MinGW. 918 if(NOT CMAKE_RC_COMPILER) 919 set(CMAKE_RC_COMPILER windres.exe) 920 endif() 921 922 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 923 COMMAND ${CMAKE_RC_COMPILER} 924 -D GCC_WINDRES 925 -I ${CMAKE_CURRENT_SOURCE_DIR} 926 -I ${CMAKE_CURRENT_BINARY_DIR} 927 -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 928 -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib${SUFFIX}1.rc) 929 set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) 930endif() 931 932set(ZLIB_ALL_SRCS ${ZLIB_SRCS} ${ZLIB_ARCH_HDRS} ${ZLIB_ARCH_SRCS} ${ZLIB_DLL_SRCS} 933 ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 934if(WITH_GZFILEOP) 935 list(APPEND ZLIB_ALL_SRCS ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS}) 936endif() 937 938if(NOT DEFINED BUILD_SHARED_LIBS) 939 add_library(zlib SHARED ${ZLIB_ALL_SRCS}) 940 add_library(zlibstatic STATIC ${ZLIB_ALL_SRCS}) 941 942 set(ZLIB_INSTALL_LIBRARIES zlib zlibstatic) 943else() 944 add_library(zlib ${ZLIB_ALL_SRCS}) 945 946 if(NOT BUILD_SHARED_LIBS) 947 add_library(zlibstatic ALIAS zlib) 948 endif() 949 950 set(ZLIB_INSTALL_LIBRARIES zlib) 951endif() 952 953foreach(ZLIB_INSTALL_LIBRARY ${ZLIB_INSTALL_LIBRARIES}) 954 target_include_directories(${ZLIB_INSTALL_LIBRARY} PUBLIC 955 ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 956endforeach() 957 958if(WIN32) 959 set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME zlib${SUFFIX}) 960else() 961 # On unix-like platforms the library is almost always called libz 962 set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME z${SUFFIX}) 963endif() 964 965if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS) 966 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) 967 968 if(ZLIB_COMPAT) 969 set(ZLIB_FULL_VERSION ${ZLIB_HEADER_VERSION}.zlib-ng) 970 set_target_properties(zlib PROPERTIES SOVERSION 1) 971 else() 972 set(ZLIB_FULL_VERSION ${ZLIBNG_HEADER_VERSION}) 973 set_target_properties(zlib PROPERTIES SOVERSION 2) 974 endif() 975 976 if(NOT CYGWIN) 977 # This property causes shared libraries on Linux to have the full version 978 # encoded into their final filename. We disable this on Cygwin because 979 # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll 980 # seems to be the default. 981 # 982 # This has no effect with MSVC, on that platform the version info for 983 # the DLL comes from the resource file win32/zlib1.rc 984 set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) 985 endif() 986 987 if(UNIX) 988 if(HAVE_NO_INTERPOSITION) 989 set_target_properties(zlib PROPERTIES COMPILE_FLAGS "-fno-semantic-interposition") 990 endif() 991 if(NOT APPLE) 992 set_target_properties(zlib PROPERTIES LINK_FLAGS 993 "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.map\"") 994 else() 995 # Match configure/make's behavior (i.e. don't use @rpath on mac). 996 set_target_properties(zlib PROPERTIES INSTALL_NAME_DIR "${LIB_INSTALL_DIR}") 997 endif() 998 elseif(MSYS) 999 # Suppress version number from shared library name 1000 set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 0) 1001 elseif(WIN32) 1002 # Creates zlib1.dll when building shared library version 1003 if(ZLIB_COMPAT) 1004 set_target_properties(zlib PROPERTIES SUFFIX "1.dll") 1005 else() 1006 set_target_properties(zlib PROPERTIES SUFFIX "2.dll") 1007 endif() 1008 endif() 1009endif() 1010 1011if(HAVE_STDARG_H) 1012 SET(ZCONF_STDARG_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 1013else() 1014 SET(ZCONF_STDARG_LINE "#ifdef HAVE_STDARG_H /* may be set to #if 1 by configure/cmake/etc */") 1015endif() 1016if(HAVE_UNISTD_H) 1017 SET(ZCONF_UNISTD_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 1018else() 1019 SET(ZCONF_UNISTD_LINE "#ifdef HAVE_UNISTD_H /* may be set to #if 1 by configure/cmake/etc */") 1020endif() 1021if(NEED_PTRDIFF_T) 1022 SET(ZCONF_PTRDIFF_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 1023else() 1024 SET(ZCONF_PTRDIFF_LINE "#ifdef NEED_PTRDIFF_T /* may be set to #if 1 by configure/cmake/etc */") 1025endif() 1026 1027set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.pc) 1028configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein 1029 ${ZLIB_PC} @ONLY) 1030configure_file(${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein 1031 ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h @ONLY) 1032 1033if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) 1034 install(TARGETS ${ZLIB_INSTALL_LIBRARIES} 1035 RUNTIME DESTINATION "${BIN_INSTALL_DIR}" 1036 ARCHIVE DESTINATION "${LIB_INSTALL_DIR}" 1037 LIBRARY DESTINATION "${LIB_INSTALL_DIR}") 1038endif() 1039if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL) 1040 install(FILES zlib${SUFFIX}.h 1041 DESTINATION "${INC_INSTALL_DIR}" RENAME zlib${SUFFIX}.h) 1042 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h 1043 DESTINATION "${INC_INSTALL_DIR}" RENAME zconf${SUFFIX}.h) 1044endif() 1045if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) 1046 install(FILES ${ZLIB_PC} DESTINATION "${PKGCONFIG_INSTALL_DIR}") 1047endif() 1048 1049#============================================================================ 1050# Example binaries 1051#============================================================================ 1052 1053option(ZLIB_ENABLE_TESTS "Build test binaries" ON) 1054if(ZLIB_ENABLE_TESTS) 1055 enable_testing() 1056 macro(configure_test_executable target) 1057 target_include_directories(${target} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) 1058 if(NOT WITH_GZFILEOP) 1059 target_compile_definitions(${target} PUBLIC -DWITH_GZFILEOP) 1060 target_sources(${target} PRIVATE ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS}) 1061 endif() 1062 if(ZLIB_DUAL_LINK) 1063 find_package(ZLIB) 1064 if(ZLIB_FOUND) 1065 target_link_libraries(${target} ${ZLIB_LIBRARIES}) 1066 endif() 1067 endif() 1068 endmacro() 1069 1070 macro(add_simple_test_executable target) 1071 add_executable(${target} test/${target}.c) 1072 configure_test_executable(${target}) 1073 target_link_libraries(${target} zlib) 1074 add_test(NAME ${target} COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:${target}>) 1075 endmacro() 1076 1077 add_simple_test_executable(adler32_test) 1078 add_simple_test_executable(example) 1079 1080 set(MINIGZIP_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip>) 1081 add_executable(minigzip test/minigzip.c) 1082 configure_test_executable(minigzip) 1083 if(NOT DEFINED BUILD_SHARED_LIBS) 1084 target_link_libraries(minigzip zlibstatic) 1085 else() 1086 target_link_libraries(minigzip zlib) 1087 endif() 1088 if(BASEARCH_S360_FOUND) 1089 if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE) 1090 set_source_files_properties(test/minigzip.c PROPERTIES COMPILE_DEFINITIONS BUFLEN=262144) 1091 endif() 1092 endif() 1093 1094 set(MINIDEFLATE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minideflate>) 1095 add_executable(minideflate test/minideflate.c) 1096 configure_test_executable(minideflate) 1097 target_link_libraries(minideflate zlib) 1098 1099 if(INSTALL_UTILS) 1100 install(TARGETS minigzip minideflate 1101 RUNTIME DESTINATION "${BIN_INSTALL_DIR}" 1102 ARCHIVE DESTINATION "${LIB_INSTALL_DIR}" 1103 LIBRARY DESTINATION "${LIB_INSTALL_DIR}") 1104 endif() 1105 1106 set(SWITCHLEVELS_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:switchlevels>) 1107 add_executable(switchlevels test/switchlevels.c) 1108 configure_test_executable(switchlevels) 1109 target_link_libraries(switchlevels zlib) 1110 1111 add_simple_test_executable(infcover) 1112 target_sources(infcover PRIVATE inftrees.c) 1113 1114 add_executable(makefixed tools/makefixed.c inftrees.c) 1115 target_include_directories(makefixed PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1116 1117 set(MAKEFIXED_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makefixed>) 1118 add_test(NAME makefixed 1119 COMMAND ${CMAKE_COMMAND} 1120 "-DCOMMAND=${MAKEFIXED_COMMAND}" 1121 -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/inffixed_tbl._h 1122 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/inffixed_tbl.h 1123 -DIGNORE_LINE_ENDINGS=ON 1124 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1125 1126 add_executable(maketrees tools/maketrees.c trees.c zutil.c) 1127 target_include_directories(maketrees PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1128 1129 set(MAKETREES_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:maketrees>) 1130 add_test(NAME maketrees 1131 COMMAND ${CMAKE_COMMAND} 1132 "-DCOMMAND=${MAKETREES_COMMAND}" 1133 -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/trees_tbl._h 1134 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/trees_tbl.h 1135 -DIGNORE_LINE_ENDINGS=ON 1136 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1137 1138 add_executable(makecrct tools/makecrct.c) 1139 target_include_directories(makecrct PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1140 1141 set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct>) 1142 add_test(NAME makecrct-crc32 1143 COMMAND ${CMAKE_COMMAND} 1144 "-DCOMMAND=${MAKECRCT_COMMAND}" 1145 -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/crc32_tbl._h 1146 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/crc32_tbl.h 1147 -DIGNORE_LINE_ENDINGS=ON 1148 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1149 1150 set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct> -c) 1151 add_test(NAME makecrct-crc32-combine 1152 COMMAND ${CMAKE_COMMAND} 1153 "-DCOMMAND=${MAKECRCT_COMMAND}" 1154 -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/crc32_comb_tbl._h 1155 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/crc32_comb_tbl.h 1156 -DIGNORE_LINE_ENDINGS=ON 1157 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1158 1159 if(WITH_FUZZERS) 1160 set(FUZZERS checksum compress example_small example_large example_flush example_dict minigzip) 1161 file(GLOB ALL_SRC_FILES "${CMAKE_CURRENT_SOURCE_DIR}/*") 1162 foreach(FUZZER ${FUZZERS}) 1163 add_executable(${FUZZER}_fuzzer test/fuzz/${FUZZER}_fuzzer.c test/fuzz/standalone_fuzz_target_runner.c) 1164 configure_test_executable(${FUZZER}_fuzzer) 1165 target_link_libraries(${FUZZER}_fuzzer zlib) 1166 set(FUZZER_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:${FUZZER}_fuzzer> ${ALL_SRC_FILES}) 1167 add_test(NAME ${FUZZER}_fuzzer COMMAND ${FUZZER_COMMAND}) 1168 endforeach() 1169 endif() 1170 1171 macro(test_minigzip name path) 1172 # Construct compression arguments for minigzip 1173 set(compress_args -k -c) 1174 foreach(extra_arg IN ITEMS "${ARGN}") 1175 list(APPEND compress_args ${extra_arg}) 1176 endforeach() 1177 1178 # Create unique friendly string for test 1179 string(REPLACE ";" "" arg_list "${ARGN}") 1180 string(REPLACE " " "" arg_list "${arg_list}") 1181 string(REPLACE "-" "" arg_list "${arg_list}") 1182 1183 set(test_id minigzip-${name}-${arg_list}) 1184 1185 if(NOT TEST ${test_id}) 1186 add_test(NAME ${test_id} 1187 COMMAND ${CMAKE_COMMAND} 1188 "-DTARGET=${MINIGZIP_COMMAND}" 1189 "-DCOMPRESS_ARGS=${compress_args}" 1190 "-DDECOMPRESS_ARGS=-d;-c" 1191 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/${path} 1192 -DTEST_NAME=${test_id} 1193 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1194 endif() 1195 endmacro() 1196 1197 set(TEST_CONFIGS 1198 -R # Z_RLE 1199 -h # Z_HUFFMAN_ONLY 1200 -T # Direct store 1201 -0 # No compression 1202 -1 # Deflate quick 1203 -4 # Deflate medium (lazy matches) 1204 "-5;-F" # Deflate medium (Z_FIXED) 1205 -6 # Deflate medium 1206 -9 # Deflate slow 1207 "-9;-f" # Deflate slow (Z_FILTERED) 1208 ) 1209 1210 file(GLOB_RECURSE TEST_FILE_PATHS 1211 LIST_DIRECTORIES false 1212 RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} 1213 ${CMAKE_CURRENT_SOURCE_DIR}/test/data/*) 1214 1215 foreach(TEST_FILE_PATH ${TEST_FILE_PATHS}) 1216 if("${TEST_FILE_PATH}" MATCHES ".gz$" OR "${TEST_FILE_PATH}" MATCHES ".out$" OR 1217 "${TEST_FILE_PATH}" MATCHES "/.git/" OR "${TEST_FILE_PATH}" MATCHES ".md$") 1218 continue() 1219 endif() 1220 foreach(TEST_CONFIG ${TEST_CONFIGS}) 1221 get_filename_component(TEST_NAME ${TEST_FILE_PATH} NAME) 1222 if (TEST_NAME STREQUAL "") 1223 continue() 1224 endif() 1225 test_minigzip(${TEST_NAME} ${TEST_FILE_PATH} ${TEST_CONFIG}) 1226 endforeach() 1227 endforeach() 1228 1229 test_minigzip("detect-text" "test/data/lcet10.txt" -A) 1230 test_minigzip("detect-binary" "test/data/paper-100k.pdf" -A) 1231 1232 set(CVES CVE-2002-0059 CVE-2004-0797 CVE-2005-1849 CVE-2005-2096) 1233 foreach(CVE ${CVES}) 1234 set(CVE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip> -d) 1235 add_test(NAME ${CVE} 1236 COMMAND ${CMAKE_COMMAND} 1237 "-DCOMMAND=${CVE_COMMAND}" 1238 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/${CVE}/test.gz 1239 "-DSUCCESS_EXIT=0;1" 1240 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-redirect.cmake) 1241 endforeach() 1242 1243 # Run tests targeting tools 1244 include(cmake/test-tools.cmake) 1245 1246 if(NOT WIN32 AND ZLIB_COMPAT) 1247 add_simple_test_executable(CVE-2003-0107) 1248 endif() 1249 1250 add_test(NAME GH-361 1251 COMMAND ${CMAKE_COMMAND} 1252 "-DTARGET=${MINIGZIP_COMMAND}" 1253 "-DCOMPRESS_ARGS=-c;-k;-4" 1254 -DTEST_NAME=GH-361-test-txt 1255 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-361/test.txt 1256 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1257 1258 add_test(NAME GH-364 1259 COMMAND ${CMAKE_COMMAND} 1260 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1261 "-DCOMPRESS_ARGS=1;5;9;3" 1262 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1263 -DTEST_NAME=GH-364-test-bin 1264 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-364/test.bin 1265 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1266 1267 add_test(NAME GH-382 1268 COMMAND ${CMAKE_COMMAND} 1269 "-DTARGET=${MINIDEFLATE_COMMAND}" 1270 "-DCOMPRESS_ARGS=-c;-m;1;-w;-15;-1;-s;4" 1271 "-DDECOMPRESS_ARGS=-c;-d;-m;1;-w;-15" 1272 -DGZIP_VERIFY=OFF 1273 -DTEST_NAME=GH-382-defneg3-dat 1274 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-382/defneg3.dat 1275 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1276 1277 add_test(NAME GH-536-segfault 1278 COMMAND ${CMAKE_COMMAND} 1279 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1280 "-DCOMPRESS_ARGS=6;9744;1;91207" 1281 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1282 -DCOMPARE=OFF 1283 -DGZIP_VERIFY=OFF 1284 -DTEST_NAME=GH-536-segfault-lcet10-txt 1285 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1286 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1287 1288 add_test(NAME GH-536-incomplete-read 1289 COMMAND ${CMAKE_COMMAND} 1290 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1291 "-DCOMPRESS_ARGS=6;88933;1;195840;2;45761" 1292 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1293 -DCOMPARE=OFF 1294 -DGZIP_VERIFY=OFF 1295 -DTEST_NAME=GH-536-incomplete-read-lcet10-txt 1296 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1297 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1298 1299 add_test(NAME GH-536-zero-stored-block 1300 COMMAND ${CMAKE_COMMAND} 1301 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1302 "-DCOMPRESS_ARGS=6;15248;1;1050;2;25217" 1303 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1304 -DCOMPARE=OFF 1305 -DGZIP_VERIFY=OFF 1306 -DTEST_NAME=GH-536-zero-stored-block-lcet10-txt 1307 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1308 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1309 1310 add_test(NAME GH-751 1311 COMMAND ${CMAKE_COMMAND} 1312 "-DTARGET=${MINIGZIP_COMMAND}" 1313 -DTEST_NAME=GH-751-test-txt 1314 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-751/test.txt 1315 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1316 1317 add_simple_test_executable(deflate_quick_bi_valid) 1318 add_simple_test_executable(deflate_quick_block_open) 1319 add_simple_test_executable(hash_head_0) 1320endif() 1321 1322FEATURE_SUMMARY(WHAT ALL INCLUDE_QUIET_PACKAGES) 1323