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 ${ZLIB_HEADER_VERSION} LANGUAGES C) 38 39set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") 40set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") 41set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") 42set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") 43set(INSTALL_PKGCONFIG_DIR "${INSTALL_LIB_DIR}/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") 44 45include(CheckTypeSize) 46include(CheckSymbolExists) 47include(CheckFunctionExists) 48include(CheckIncludeFile) 49include(CheckCSourceCompiles) 50include(CheckCSourceRuns) 51include(CMakeDependentOption) 52include(FeatureSummary) 53 54include(cmake/detect-arch.cmake) 55include(cmake/detect-sanitizer.cmake) 56 57if(CMAKE_TOOLCHAIN_FILE) 58 message(STATUS "Using CMake toolchain: ${CMAKE_TOOLCHAIN_FILE}") 59endif() 60 61# Make sure we use an appropriate BUILD_TYPE by default, "Release" to be exact 62# this should select the maximum generic optimisation on the current platform (i.e. -O3 for gcc/clang) 63if(NOT CMAKE_BUILD_TYPE) 64 set(CMAKE_BUILD_TYPE "Release" CACHE STRING 65 "Choose the type of build, standard options are: Debug Release RelWithDebInfo MinSizeRel." 66 FORCE) 67 add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (default)") 68else() 69 add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (selected)") 70endif() 71 72# 73# Options parsing 74# 75option(WITH_GZFILEOP "Compile with support for gzFile related functions" OFF) 76option(ZLIB_COMPAT "Compile with zlib compatible API" OFF) 77option(ZLIB_ENABLE_TESTS "Build test binaries" ON) 78option(ZLIB_DUAL_LINK "Dual link tests against system zlib" OFF) 79option(WITH_SANITIZERS "Build with address sanitizer and all supported sanitizers other than memory sanitizer" OFF) 80option(WITH_MSAN "Build with memory sanitizer" OFF) 81option(WITH_FUZZERS "Build test/fuzz" OFF) 82option(WITH_OPTIM "Build with optimisation" ON) 83option(WITH_NEW_STRATEGIES "Use new strategies" ON) 84option(WITH_NATIVE_INSTRUCTIONS 85 "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)" OFF) 86option(WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings" OFF) 87option(WITH_CODE_COVERAGE "Enable code coverage reporting" OFF) 88option(WITH_INFLATE_STRICT "Build with strict inflate distance checking" OFF) 89option(WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances" OFF) 90 91if(BASEARCH_ARM_FOUND) 92 option(WITH_ACLE "Build with ACLE" ON) 93 option(WITH_NEON "Build with NEON intrinsics" ON) 94elseif(BASEARCH_PPC_FOUND) 95 option(WITH_POWER8 "Build with optimisations for POWER8" ON) 96elseif(BASEARCH_S360_FOUND) 97 option(WITH_DFLTCC_DEFLATE "Use DEFLATE CONVERSION CALL instruction for compression on IBM Z" OFF) 98 option(WITH_DFLTCC_INFLATE "Use DEFLATE CONVERSION CALL instruction for decompression on IBM Z" OFF) 99elseif(BASEARCH_X86_FOUND) 100 option(WITH_AVX2 "Build with AVX2" ON) 101 option(WITH_SSE2 "Build with SSE2" ON) 102 option(WITH_SSSE3 "Build with SSSE3" ON) 103 option(WITH_SSE4 "Build with SSE4" ON) 104 option(WITH_PCLMULQDQ "Build with PCLMULQDQ" ON) 105endif() 106option(INSTALL_UTILS "Copy minigzip and minideflate during install" OFF) 107 108mark_as_advanced(FORCE 109 ZLIB_DUAL_LINK 110 WITH_ACLE WITH_NEON 111 WITH_DFLTCC_DEFLATE 112 WITH_DFLTCC_INFLATE 113 WITH_AVX2 WITH_SSE2 114 WITH_SSSE3 WITH_SSE4 115 WITH_PCLMULQDQ 116 WITH_POWER8 117 WITH_INFLATE_STRICT 118 WITH_INFLATE_ALLOW_INVALID_DIST 119 INSTALL_UTILS 120 ) 121 122add_feature_info(ZLIB_COMPAT ZLIB_COMPAT "Provide a zlib-compatible API") 123add_feature_info(WITH_GZFILEOP WITH_GZFILEOP "Compile with support for gzFile-related functions") 124add_feature_info(WITH_OPTIM WITH_OPTIM "Build with optimisation") 125add_feature_info(WITH_SANITIZERS WITH_SANITIZERS "Build with address sanitizer and all supported sanitizers other than memory sanitizer") 126add_feature_info(WITH_MSAN WITH_MSAN "Build with memory sanitizer") 127add_feature_info(WITH_FUZZERS WITH_FUZZERS "Build test/fuzz") 128add_feature_info(WITH_NEW_STRATEGIES WITH_NEW_STRATEGIES "Use new strategies") 129if(BASEARCH_ARM_FOUND) 130 add_feature_info(WITH_ACLE WITH_ACLE "Build with ACLE CRC") 131 add_feature_info(WITH_NEON WITH_NEON "Build with NEON intrinsics") 132elseif(BASEARCH_PPC_FOUND) 133 add_feature_info(WITH_POWER8 WITH_POWER8 "Build with optimisations for POWER8") 134endif() 135add_feature_info(WITH_MAINTAINER_WARNINGS WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings") 136add_feature_info(WITH_CODE_COVERAGE WITH_CODE_COVERAGE "Enable code coverage reporting") 137 138if(ZLIB_COMPAT) 139 add_definitions(-DZLIB_COMPAT) 140 set(WITH_GZFILEOP ON) 141 set(SUFFIX "") 142else() 143 set(SUFFIX "-ng") 144endif() 145 146if(WITH_GZFILEOP) 147 add_definitions(-DWITH_GZFILEOP) 148endif() 149 150if("${CMAKE_C_COMPILER}" MATCHES "icc" OR "${CMAKE_C_COMPILER}" MATCHES "icpc" OR "${CMAKE_C_COMPILER}" MATCHES "icl") 151 if(CMAKE_HOST_UNIX OR APPLE) 152 set(WARNFLAGS "-w3") 153 set(WARNFLAGS_MAINTAINER "-w3 -Wcheck -Wremarks") 154 set(WARNFLAGS_DISABLE "") 155 if(BASEARCH_X86_FOUND) 156 set(AVX2FLAG "-mavx2") 157 set(SSE2FLAG "-msse2") 158 set(SSSE3FLAG "-mssse3") 159 set(SSE4FLAG "-msse4.2") 160 endif() 161 else() 162 set(WARNFLAGS "/W3") 163 set(WARNFLAGS_MAINTAINER "/W5") 164 set(WARNFLAGS_DISABLE "") 165 if(BASEARCH_X86_FOUND) 166 set(AVX2FLAG "/arch:AVX2") 167 set(SSE2FLAG "/arch:SSE2") 168 set(SSSE3FLAG "/arch:SSSE3") 169 set(SSE4FLAG "/arch:SSE4.2") 170 endif() 171 endif() 172 if(WITH_NATIVE_INSTRUCTIONS) 173 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration") 174 endif() 175elseif(MSVC) 176 # TODO. ICC can be used through MSVC. I'm not sure if we'd ever see that combination 177 # (who'd use cmake from an IDE...) but checking for ICC before checking for MSVC should 178 # avoid mistakes. 179 # /Oi ? 180 set(WARNFLAGS "/W3") 181 set(WARNFLAGS_MAINTAINER "/W4") 182 set(WARNFLAGS_DISABLE "") 183 if(BASEARCH_ARM_FOUND) 184 add_definitions(-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE) 185 if(NOT "${ARCH}" MATCHES "aarch64") 186 set(NEONFLAG "/arch:VFPv4") 187 endif() 188 elseif(BASEARCH_X86_FOUND) 189 if(NOT "${ARCH}" MATCHES "x86_64") 190 set(SSE2FLAG "/arch:SSE2") 191 endif() 192 endif() 193 if(WITH_NATIVE_INSTRUCTIONS) 194 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration") 195 endif() 196else() 197 # catch all GNU C compilers as well as Clang and AppleClang 198 if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang") 199 set(__GNUC__ ON) 200 endif() 201 # Enable warnings in GCC and Clang 202 if(__GNUC__) 203 set(WARNFLAGS "-Wall") 204 set(WARNFLAGS_MAINTAINER "-Wextra -Wpedantic") 205 set(WARNFLAGS_DISABLE "-Wno-implicit-fallthrough") 206 endif() 207 if(WITH_NATIVE_INSTRUCTIONS) 208 if(__GNUC__) 209 if(BASEARCH_PPC_FOUND) 210 set(NATIVEFLAG "-mcpu=native") 211 else() 212 set(NATIVEFLAG "-march=native") 213 endif() 214 else() 215 message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not implemented yet on this configuration") 216 endif() 217 endif() 218 if(NOT NATIVEFLAG) 219 if(__GNUC__) 220 if(BASEARCH_ARM_FOUND) 221 if(NOT CMAKE_C_FLAGS MATCHES "-mfloat-abi") 222 # Check support for ARM floating point 223 execute_process(COMMAND ${CMAKE_C_COMPILER} "-dumpmachine" 224 OUTPUT_VARIABLE GCC_MACHINE) 225 if("${GCC_MACHINE}" MATCHES "gnueabihf") 226 set(FLOATABI "-mfloat-abi=hard") 227 elseif("${GCC_MACHINE}" MATCHES ".*gnueabi") 228 set(FLOATABI "-mfloat-abi=softfp") 229 endif() 230 message(STATUS "ARM floating point arch: ${FLOATABI}") 231 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLOATABI}") 232 endif() 233 # NEON 234 if("${ARCH}" MATCHES "aarch64") 235 set(NEONFLAG "-march=armv8-a+simd") 236 else() 237 # Check whether -mfpu=neon is available 238 set(CMAKE_REQUIRED_FLAGS "-mfpu=neon") 239 check_c_source_compiles( 240 "int main() { return 0; }" 241 MFPU_NEON_AVAILABLE FAIL_REGEX "not supported") 242 set(CMAKE_REQUIRED_FLAGS) 243 if(MFPU_NEON_AVAILABLE) 244 set(NEONFLAG "-mfpu=neon") 245 endif() 246 endif() 247 # ACLE 248 set(ACLEFLAG "-march=armv8-a+crc") 249 elseif(BASEARCH_PPC_FOUND) 250 set(POWER8FLAG "-mcpu=power8") 251 elseif(BASEARCH_X86_FOUND) 252 set(AVX2FLAG "-mavx2") 253 set(SSE2FLAG "-msse2") 254 set(SSSE3FLAG "-mssse3") 255 set(SSE4FLAG "-msse4") 256 set(PCLMULFLAG "-mpclmul") 257 endif() 258 endif() 259 endif() 260endif() 261 262# Replace optimization level 3 added by default with level 2 263if(NOT MSVC AND NOT CMAKE_C_FLAGS MATCHES "([\\/\\-]O)3") 264 string(REGEX REPLACE "([\\/\\-]O)3" "\\12" 265 CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE}) 266endif() 267 268# Set architecture alignment requirements 269if(BASEARCH_ARM_FOUND OR (BASEARCH_PPC_FOUND AND "${ARCH}" MATCHES "powerpc64le") OR BASEARCH_X86_FOUND) 270 if(NOT DEFINED UNALIGNED_OK) 271 set(UNALIGNED_OK TRUE) 272 endif() 273endif() 274if(UNALIGNED_OK) 275 add_definitions(-DUNALIGNED_OK) 276 message(STATUS "Architecture supports unaligned reads") 277endif() 278if(BASEARCH_ARM_FOUND) 279 if(NOT DEFINED UNALIGNED64_OK) 280 if("${ARCH}" MATCHES "(arm(v[8-9])?|aarch64)") 281 set(UNALIGNED64_OK TRUE) 282 endif() 283 endif() 284endif() 285if(BASEARCH_PPC_FOUND) 286 if(NOT DEFINED UNALIGNED64_OK) 287 if("${ARCH}" MATCHES "powerpc64le") 288 set(UNALIGNED64_OK TRUE) 289 endif() 290 endif() 291endif() 292if(BASEARCH_X86_FOUND) 293 if(NOT DEFINED UNALIGNED64_OK) 294 set(UNALIGNED64_OK TRUE) 295 endif() 296endif() 297if(UNALIGNED64_OK) 298 add_definitions(-DUNALIGNED64_OK) 299 message(STATUS "Architecture supports unaligned reads of > 4 bytes") 300endif() 301 302# Apply warning compiler flags 303if(WITH_MAINTAINER_WARNINGS) 304 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNFLAGS} ${WARNFLAGS_MAINTAINER} ${WARNFLAGS_DISABLE}") 305else() 306 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNFLAGS} ${WARNFLAGS_DISABLE}") 307endif() 308 309# Set code coverage compiler flags 310if(WITH_CODE_COVERAGE) 311 if(CMAKE_C_COMPILER_ID MATCHES "Clang") 312 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -coverage") 313 elseif(__GNUC__) 314 # Some versions of GCC don't support -coverage shorthand 315 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage") 316 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lgcov") 317 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lgcov") 318 endif() 319endif() 320 321# Set native instruction set compiler flag 322if(WITH_NATIVE_INSTRUCTIONS AND DEFINED NATIVEFLAG) 323 # Apply flag to all source files and compilation checks 324 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${NATIVEFLAG}") 325endif() 326 327# 328# Check for stndard/system includes 329# 330check_include_file(sys/types.h HAVE_SYS_TYPES_H) 331check_include_file(stdarg.h HAVE_STDARG_H) 332check_include_file(stdint.h HAVE_STDINT_H) 333check_include_file(stddef.h HAVE_STDDEF_H) 334check_include_file(sys/sdt.h HAVE_SYS_SDT_H) 335check_include_file(unistd.h HAVE_UNISTD_H) 336 337# 338# Check to see if we have large file support 339# 340set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 341check_type_size(off64_t OFF64_T) 342if(HAVE_OFF64_T) 343 add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 344else() 345 check_type_size(_off64_t _OFF64_T) 346 if(HAVE__OFF64_T) 347 add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64) 348 else() 349 check_type_size(__off64_t __OFF64_T) 350 endif() 351endif() 352set(CMAKE_REQUIRED_DEFINITIONS) # clear variable 353 354# 355# Check for fseeko and other optional functions 356# 357check_function_exists(fseeko HAVE_FSEEKO) 358if(NOT HAVE_FSEEKO) 359 add_definitions(-DNO_FSEEKO) 360endif() 361check_function_exists(strerror HAVE_STRERROR) 362if(NOT HAVE_STRERROR) 363 add_definitions(-DNO_STRERROR) 364endif() 365 366if(WITH_MSAN AND WITH_SANITIZERS) 367 message(FATAL_ERROR "Memory sanitizer is incompatible with address sanitizer") 368elseif(WITH_MSAN) 369 add_memory_sanitizer_check() 370elseif(WITH_SANITIZERS) 371 add_sanitizer_checks() 372endif() 373# 374# Check if we can hide zlib internal symbols that are linked between separate source files using hidden 375# 376check_c_source_compiles( 377 "#define Z_INTERNAL __attribute__((visibility (\"hidden\"))) 378 int Z_INTERNAL foo; 379 int main() 380 { 381 return 0; 382 }" 383 HAVE_ATTRIBUTE_VISIBILITY_HIDDEN FAIL_REGEX "not supported") 384if(HAVE_ATTRIBUTE_VISIBILITY_HIDDEN) 385 add_definitions(-DHAVE_VISIBILITY_HIDDEN) 386endif() 387 388# 389# Check if we can hide zlib internal symbols that are linked between separate source files using internal 390# 391check_c_source_compiles( 392 "#define Z_INTERNAL __attribute__((visibility (\"internal\"))) 393 int Z_INTERNAL foo; 394 int main() 395 { 396 return 0; 397 }" 398 HAVE_ATTRIBUTE_VISIBILITY_INTERNAL FAIL_REGEX "not supported") 399if(HAVE_ATTRIBUTE_VISIBILITY_INTERNAL) 400 add_definitions(-DHAVE_VISIBILITY_INTERNAL) 401endif() 402 403# 404# check for __builtin_ctz() support in the compiler 405# 406check_c_source_compiles( 407 "int main(void) 408 { 409 unsigned int zero = 0; 410 long test = __builtin_ctz(zero); 411 (void)test; 412 return 0; 413 }" 414 HAVE_BUILTIN_CTZ 415) 416if(HAVE_BUILTIN_CTZ) 417 add_definitions(-DHAVE_BUILTIN_CTZ) 418endif() 419# 420# check for __builtin_ctzll() support in the compiler 421# 422check_c_source_compiles( 423 "int main(void) 424 { 425 unsigned int zero = 0; 426 long test = __builtin_ctzll(zero); 427 (void)test; 428 return 0; 429 }" 430 HAVE_BUILTIN_CTZLL 431) 432if(HAVE_BUILTIN_CTZLL) 433 add_definitions(-DHAVE_BUILTIN_CTZLL) 434endif() 435 436# 437# check for ptrdiff_t support 438# 439check_c_source_compiles( 440 "#include <stddef.h> 441 int main() { ptrdiff_t *a; return 0; }" 442 HAVE_PTRDIFF_T 443) 444if(NOT HAVE_PTRDIFF_T) 445 set(NEED_PTRDIFF_T 1) 446 447 check_type_size("void *" SIZEOF_DATA_PTR) 448 message(STATUS "sizeof(void *) is ${SIZEOF_DATA_PTR} bytes") 449 450 if(${SIZEOF_DATA_PTR} MATCHES "4") 451 set(PTRDIFF_TYPE "uint32_t") 452 elseif(${SIZEOF_DATA_PTR} MATCHES "8") 453 set(PTRDIFF_TYPE "uint64_t") 454 else() 455 message(FATAL_ERROR "sizeof(void *) is neither 32 nor 64 bit") 456 endif() 457endif() 458 459# Macro to check if source compiles 460# (and, when compiling very natively, also runs). 461macro(check_c_source_compile_or_run source flag) 462 if(CMAKE_CROSSCOMPILING OR NOT WITH_NATIVE_INSTRUCTIONS) 463 check_c_source_compiles("${source}" ${flag}) 464 else() 465 check_c_source_runs("${source}" ${flag}) 466 endif() 467endmacro() 468 469set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DZLIB_DEBUG") 470 471if(MSVC) 472 set(CMAKE_DEBUG_POSTFIX "d") 473 add_definitions(-D_CRT_SECURE_NO_DEPRECATE) 474 add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) 475endif() 476 477if(BASEARCH_PPC_FOUND) 478 # Check if we have what we need for POWER8 optimizations 479 set(CMAKE_REQUIRED_FLAGS "${POWER8FLAG}") 480 check_c_source_compiles( 481 "#include <sys/auxv.h> 482 int main() { 483 return (getauxval(AT_HWCAP2) & PPC_FEATURE2_ARCH_2_07); 484 }" 485 HAVE_POWER8 486 ) 487 set(CMAKE_REQUIRED_FLAGS) 488elseif(BASEARCH_X86_FOUND) 489 # Check whether compiler supports SSE2 instrinics 490 set(CMAKE_REQUIRED_FLAGS "${SSE2FLAG}") 491 check_c_source_compile_or_run( 492 "#include <immintrin.h> 493 int main(void) 494 { 495 __m128i zero = _mm_setzero_si128(); 496 (void)zero; 497 return 0; 498 }" 499 HAVE_SSE2_INTRIN 500 ) 501 # Check whether compiler supports SSSE3 intrinsics 502 set(CMAKE_REQUIRED_FLAGS "${SSSE3FLAG}") 503 check_c_source_compile_or_run( 504 "#include <immintrin.h> 505 506 int main(void) 507 { 508 __m128i u, v, w; 509 u = _mm_set1_epi32(1); 510 v = _mm_set1_epi32(2); 511 w = _mm_hadd_epi32(u, v); 512 (void)w; 513 return 0; 514 }" 515 HAVE_SSSE3_INTRIN 516 ) 517 # Check whether compiler supports SSE4 CRC inline asm 518 set(CMAKE_REQUIRED_FLAGS "${SSE4FLAG}") 519 check_c_source_compile_or_run( 520 "int main(void) 521 { 522 unsigned val = 0, h = 0; 523 #if defined(_MSC_VER) 524 { __asm mov edx, h __asm mov eax, val __asm crc32 eax, edx __asm mov val, eax } 525 #else 526 __asm__ __volatile__ ( \"crc32 %1,%0\" : \"+r\" (h) : \"r\" (val) ); 527 #endif 528 return (int) h; 529 }" 530 HAVE_SSE42CRC_INLINE_ASM 531 ) 532 # Check whether compiler supports SSE4 CRC intrinsics 533 check_c_source_compile_or_run( 534 "#include <immintrin.h> 535 int main(void) 536 { 537 unsigned crc = 0; 538 char c = 'c'; 539 #if defined(_MSC_VER) 540 crc = _mm_crc32_u32(crc, c); 541 #else 542 crc = __builtin_ia32_crc32qi(crc, c); 543 #endif 544 (void)crc; 545 return 0; 546 }" 547 HAVE_SSE42CRC_INTRIN 548 ) 549 # Check whether compiler supports SSE4.2 compare string instrinics 550 check_c_source_compile_or_run( 551 "#include <immintrin.h> 552 int main(void) 553 { 554 unsigned char a[64] = { 0 }; 555 unsigned char b[64] = { 0 }; 556 __m128i xmm_src0, xmm_src1; 557 xmm_src0 = _mm_loadu_si128((__m128i *)(char *)a); 558 xmm_src1 = _mm_loadu_si128((__m128i *)(char *)b); 559 return _mm_cmpestri(xmm_src0, 16, xmm_src1, 16, 0); 560 }" 561 HAVE_SSE42CMPSTR_INTRIN 562 ) 563 # Check whether compiler supports PCLMULQDQ intrinsics 564 set(CMAKE_REQUIRED_FLAGS "${PCLMULFLAG}") 565 if(NOT (APPLE AND "${ARCH}" MATCHES "i386")) 566 # The pclmul code currently crashes on Mac in 32bit mode. Avoid for now. 567 check_c_source_compile_or_run( 568 "#include <immintrin.h> 569 int main(void) 570 { 571 __m128i a = _mm_setzero_si128(); 572 __m128i b = _mm_setzero_si128(); 573 __m128i c = _mm_clmulepi64_si128(a, b, 0x10); 574 (void)c; 575 return 0; 576 }" 577 HAVE_PCLMULQDQ_INTRIN 578 ) 579 else() 580 set(HAVE_PCLMULQDQ_INTRIN NO) 581 endif() 582 # Check whether compiler supports AVX2 intrinics 583 set(CMAKE_REQUIRED_FLAGS "${AVX2FLAG}") 584 check_c_source_compile_or_run( 585 "#include <immintrin.h> 586 int main(void) { 587 __m256i x = _mm256_set1_epi16(2); 588 const __m256i y = _mm256_set1_epi16(1); 589 x = _mm256_subs_epu16(x, y); 590 (void)x; 591 return 0; 592 }" 593 HAVE_AVX2_INTRIN 594 ) 595 set(CMAKE_REQUIRED_FLAGS) 596 597 # FORCE_SSE2 option will only be shown if HAVE_SSE2_INTRIN is true 598 if("${ARCH}" MATCHES "i[3-6]86") 599 cmake_dependent_option(FORCE_SSE2 "Always assume CPU is SSE2 capable" OFF "HAVE_SSE2_INTRIN" OFF) 600 endif() 601endif() 602 603# 604# Enable deflate_quick at level 1 605# 606if(NOT WITH_NEW_STRATEGIES) 607 add_definitions(-DNO_QUICK_STRATEGY) 608endif() 609# 610# Enable deflate_medium at level 4-6 611# 612if(NOT WITH_NEW_STRATEGIES) 613 add_definitions(-DNO_MEDIUM_STRATEGY) 614endif() 615# 616# Enable inflate compilation options 617# 618if(WITH_INFLATE_STRICT) 619 add_definitions(-DINFLATE_STRICT) 620 message(STATUS "Inflate strict distance checking enabled") 621endif() 622if(WITH_INFLATE_ALLOW_INVALID_DIST) 623 add_definitions(-DINFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR) 624 message(STATUS "Inflate zero data for invalid distances enabled") 625endif() 626 627 628set(ZLIB_ARCH_SRCS) 629set(ZLIB_ARCH_HDRS) 630set(ARCHDIR "arch/generic") 631if(BASEARCH_ARM_FOUND) 632 set(ARCHDIR "arch/arm") 633elseif(BASEARCH_PPC_FOUND) 634 set(ARCHDIR "arch/power") 635elseif(BASEARCH_S360_FOUND) 636 set(ARCHDIR "arch/s390") 637elseif(BASEARCH_X86_FOUND) 638 set(ARCHDIR "arch/x86") 639 if(NOT ${ARCH} MATCHES "x86_64") 640 add_feature_info(SSE2 1 "Support the SSE2 instruction set, using \"${SSE2FLAG}\"") 641 endif() 642else() 643 message(STATUS "No optimized architecture: using ${ARCHDIR}") 644endif() 645 646if(WITH_OPTIM) 647 if(BASEARCH_ARM_FOUND) 648 add_definitions(-DARM_FEATURES) 649 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/arm.h) 650 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/armfeature.c) 651 if(WITH_ACLE AND NOT MSVC) 652 add_definitions(-DARM_ACLE_CRC_HASH) 653 set(ACLE_SRCS ${ARCHDIR}/crc32_acle.c ${ARCHDIR}/insert_string_acle.c) 654 set_property(SOURCE ${ACLE_SRCS} PROPERTY COMPILE_FLAGS "${ACLEFLAG}") 655 list(APPEND ZLIB_ARCH_SRCS ${ACLE_SRCS}) 656 add_feature_info(ACLE_CRC 1 "Support ACLE optimized CRC hash generation, using \"${ACLEFLAG}\"") 657 endif() 658 if(WITH_NEON) 659 add_definitions(-DARM_NEON_ADLER32 -DARM_NEON_CHUNKSET -DARM_NEON_SLIDEHASH) 660 set(NEON_SRCS ${ARCHDIR}/adler32_neon.c ${ARCHDIR}/chunkset_neon.c ${ARCHDIR}/slide_neon.c) 661 list(APPEND ZLIB_ARCH_SRCS ${NEON_SRCS}) 662 set_property(SOURCE ${NEON_SRCS} PROPERTY COMPILE_FLAGS "${NEONFLAG}") 663 if(MSVC) 664 add_definitions(-D__ARM_NEON__) 665 endif() 666 add_feature_info(NEON_ALDER32 1 "Support NEON instructions in adler32, using \"${NEONFLAG}\"") 667 add_feature_info(NEON_SLIDEHASH 1 "Support NEON instructions in slide_hash, using \"${NEONFLAG}\"") 668 endif() 669 elseif(BASEARCH_PPC_FOUND) 670 if(WITH_POWER8 AND HAVE_POWER8) 671 add_definitions(-DPOWER8) 672 add_definitions(-DPOWER_FEATURES) 673 add_definitions(-DPOWER8_VSX_ADLER32) 674 add_definitions(-DPOWER8_VSX_SLIDEHASH) 675 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power.h) 676 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/power.c) 677 set(POWER8_SRCS ${ARCHDIR}/adler32_power8.c ${ARCHDIR}/slide_hash_power8.c) 678 list(APPEND ZLIB_ARCH_SRCS ${POWER8_SRCS}) 679 set_property(SOURCE ${POWER8_SRCS} PROPERTY COMPILE_FLAGS "${POWER8FLAG}") 680 endif() 681 elseif(BASEARCH_S360_FOUND) 682 if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE) 683 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_common.c) 684 add_definitions(-DGZBUFSIZE=262144) 685 endif() 686 if(WITH_DFLTCC_DEFLATE) 687 add_definitions(-DS390_DFLTCC_DEFLATE) 688 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_deflate.c) 689 endif() 690 if(WITH_DFLTCC_INFLATE) 691 add_definitions(-DS390_DFLTCC_INFLATE) 692 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_inflate.c) 693 endif() 694 elseif(BASEARCH_X86_FOUND) 695 add_definitions(-DX86_FEATURES) 696 list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86.h) 697 list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/x86.c) 698 if(MSVC) 699 list(APPEND ZLIB_ARCH_HDRS fallback_builtins.h) 700 endif() 701 if(WITH_AVX2 AND HAVE_AVX2_INTRIN) 702 add_definitions(-DX86_AVX2 -DX86_AVX2_ADLER32) 703 set(AVX2_SRCS ${ARCHDIR}/slide_avx.c) 704 add_feature_info(AVX2_SLIDEHASH 1 "Support AVX2 optimized slide_hash, using \"${AVX2FLAG}\"") 705 list(APPEND AVX2_SRCS ${ARCHDIR}/compare258_avx.c) 706 add_feature_info(AVX2_COMPARE258 1 "Support AVX2 optimized compare258, using \"${AVX2FLAG}\"") 707 list(APPEND AVX2_SRCS ${ARCHDIR}/adler32_avx.c) 708 add_feature_info(AVX2_ADLER32 1 "Support AVX2-accelerated adler32, using \"${AVX2FLAG}\"") 709 list(APPEND ZLIB_ARCH_SRCS ${AVX2_SRCS}) 710 set_property(SOURCE ${AVX2_SRCS} PROPERTY COMPILE_FLAGS "${AVX2FLAG}") 711 endif() 712 if(WITH_SSE4 AND (HAVE_SSE42CRC_INLINE_ASM OR HAVE_SSE42CRC_INTRIN)) 713 add_definitions(-DX86_SSE42_CRC_HASH) 714 set(SSE42_SRCS ${ARCHDIR}/insert_string_sse.c) 715 add_feature_info(SSE42_CRC 1 "Support SSE4.2 optimized CRC hash generation, using \"${SSE4FLAG}\"") 716 list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS}) 717 set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE4FLAG}") 718 if(HAVE_SSE42CRC_INTRIN) 719 add_definitions(-DX86_SSE42_CRC_INTRIN) 720 endif() 721 endif() 722 if(HAVE_SSE42CMPSTR_INTRIN) 723 add_definitions(-DX86_SSE42_CMP_STR) 724 set(SSE42_SRCS ${ARCHDIR}/compare258_sse.c) 725 add_feature_info(SSE42_COMPARE258 1 "Support SSE4.2 optimized compare258, using \"${SSE4FLAG}\"") 726 list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS}) 727 set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE4FLAG}") 728 endif() 729 if(WITH_SSE2 AND HAVE_SSE2_INTRIN) 730 add_definitions(-DX86_SSE2 -DX86_SSE2_CHUNKSET -DX86_SSE2_SLIDEHASH) 731 set(SSE2_SRCS ${ARCHDIR}/chunkset_sse.c ${ARCHDIR}/slide_sse.c) 732 list(APPEND ZLIB_ARCH_SRCS ${SSE2_SRCS}) 733 if(NOT ${ARCH} MATCHES "x86_64") 734 set_property(SOURCE ${SSE2_SRCS} PROPERTY COMPILE_FLAGS "${SSE2FLAG}") 735 add_feature_info(FORCE_SSE2 FORCE_SSE2 "Assume CPU is SSE2 capable") 736 if(FORCE_SSE2) 737 add_definitions(-DX86_NOCHECK_SSE2) 738 endif() 739 endif() 740 endif() 741 if(WITH_SSSE3 AND HAVE_SSSE3_INTRIN) 742 add_definitions(-DX86_SSSE3 -DX86_SSSE3_ADLER32) 743 set(SSSE3_SRCS ${ARCHDIR}/adler32_ssse3.c) 744 add_feature_info(SSSE3_ADLER32 1 "Support SSSE3-accelerated adler32, using \"${SSSE3FLAG}\"") 745 list(APPEND ZLIB_ARCH_SRCS ${SSSE3_SRCS}) 746 set_property(SOURCE ${SSSE3_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG}") 747 endif() 748 if(WITH_PCLMULQDQ AND HAVE_PCLMULQDQ_INTRIN AND WITH_SSSE3 AND WITH_SSE4) 749 add_definitions(-DX86_PCLMULQDQ_CRC) 750 set(PCLMULQDQ_SRCS ${ARCHDIR}/crc_folding.c) 751 add_feature_info(PCLMUL_CRC 1 "Support CRC hash generation using PCLMULQDQ, using \"${SSSE3FLAG} ${SSE4FLAG} ${PCLMULFLAG}\"") 752 list(APPEND ZLIB_ARCH_SRCS ${PCLMULQDQ_SRCS}) 753 set_property(SOURCE ${PCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${SSE4FLAG} ${PCLMULFLAG}") 754 endif() 755 endif() 756endif() 757message(STATUS "Architecture-specific source files: ${ZLIB_ARCH_SRCS}") 758 759#============================================================================ 760# zconf.h 761#============================================================================ 762 763macro(generate_cmakein input output) 764 file(REMOVE ${output}) 765 file(STRINGS ${input} _lines) 766 foreach(_line IN LISTS _lines) 767 string(REGEX REPLACE "#ifdef HAVE_UNISTD_H.*" "@ZCONF_UNISTD_LINE@" _line "${_line}") 768 string(REGEX REPLACE "#ifdef HAVE_STDARG_H.*" "@ZCONF_STDARG_LINE@" _line "${_line}") 769 string(REGEX REPLACE "#ifdef NEED_PTRDIFF_T.*" "@ZCONF_PTRDIFF_LINE@" _line "${_line}") 770 if(NEED_PTRDIFF_T) 771 string(REGEX REPLACE "typedef PTRDIFF_TYPE" "typedef @PTRDIFF_TYPE@" _line "${_line}") 772 endif() 773 file(APPEND ${output} "${_line}\n") 774 endforeach() 775endmacro(generate_cmakein) 776 777generate_cmakein( ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein ) 778 779if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) 780 # If we're doing an out of source build and the user has a zconf.h 781 # in their source tree... 782 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h) 783 message(STATUS "Renaming") 784 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h") 785 message(STATUS "to 'zconf${SUFFIX}.h.included' because this file is included with zlib") 786 message(STATUS "but CMake generates it automatically in the build directory.") 787 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.included) 788 endif() 789 790 # If we're doing an out of source build and the user has a zconf.h.cmakein 791 # in their source tree... 792 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein) 793 message(STATUS "Renaming") 794 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein") 795 message(STATUS "to 'zconf${SUFFIX}.h.cmakeincluded' because this file is included with zlib") 796 message(STATUS "but CMake generates it automatically in the build directory.") 797 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakeincluded) 798 endif() 799endif() 800 801# Refer to prefix symbolically to ease relocation by end user, 802# as Makefile-generated .pc file does. 803if(INSTALL_INC_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/include") 804 set(PC_INSTALL_INC_DIR "\${prefix}/include") 805else() 806 set(PC_INSTALL_INC_DIR "${INSTALL_INC_DIR}") 807endif() 808if(INSTALL_LIB_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/lib") 809 set(PC_INSTALL_LIB_DIR "\${exec_prefix}/lib") 810else() 811 set(PC_INSTALL_LIB_DIR "${INSTALL_LIB_DIR}") 812endif() 813 814#============================================================================ 815# zlib 816#============================================================================ 817 818set(ZLIB_PUBLIC_HDRS 819 ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h 820 zlib${SUFFIX}.h 821) 822set(ZLIB_PRIVATE_HDRS 823 adler32_p.h 824 chunkset_tpl.h 825 crc32_p.h 826 crc32_tbl.h 827 deflate.h 828 deflate_p.h 829 functable.h 830 gzguts.h 831 inffast.h 832 inffixed_tbl.h 833 inflate.h 834 inflate_p.h 835 inftrees.h 836 insert_string_tpl.h 837 match_tpl.h 838 trees.h 839 trees_emit.h 840 trees_tbl.h 841 zbuild.h 842 zendian.h 843 zutil.h 844) 845set(ZLIB_SRCS 846 adler32.c 847 chunkset.c 848 compare258.c 849 compress.c 850 crc32.c 851 deflate.c 852 deflate_fast.c 853 deflate_medium.c 854 deflate_quick.c 855 deflate_slow.c 856 functable.c 857 infback.c 858 inffast.c 859 inflate.c 860 inftrees.c 861 insert_string.c 862 trees.c 863 uncompr.c 864 zutil.c 865) 866 867set(ZLIB_GZFILE_SRCS 868 gzclose.c 869 gzlib.c 870 gzread.c 871 gzwrite.c 872) 873 874if(NOT MINGW AND NOT MSYS) 875 set(ZLIB_DLL_SRCS 876 win32/zlib${SUFFIX}1.rc # If present will override custom build rule below. 877 ) 878endif() 879 880if(MINGW OR MSYS) 881 # This gets us DLL resource information when compiling on MinGW. 882 if(NOT CMAKE_RC_COMPILER) 883 set(CMAKE_RC_COMPILER windres.exe) 884 endif() 885 886 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 887 COMMAND ${CMAKE_RC_COMPILER} 888 -D GCC_WINDRES 889 -I ${CMAKE_CURRENT_SOURCE_DIR} 890 -I ${CMAKE_CURRENT_BINARY_DIR} 891 -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 892 -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib${SUFFIX}1.rc) 893 set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) 894endif() 895 896set(ZLIB_ALL_SRCS ${ZLIB_SRCS} ${ZLIB_ARCH_HDRS} ${ZLIB_ARCH_SRCS} ${ZLIB_DLL_SRCS} 897 ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 898if(WITH_GZFILEOP) 899 list(APPEND ZLIB_ALL_SRCS ${ZLIB_GZFILE_SRCS}) 900endif() 901 902if(NOT DEFINED BUILD_SHARED_LIBS) 903 add_library(zlib SHARED ${ZLIB_ALL_SRCS}) 904 add_library(zlibstatic STATIC ${ZLIB_ALL_SRCS}) 905 906 set(ZLIB_INSTALL_LIBRARIES zlib zlibstatic) 907else() 908 add_library(zlib ${ZLIB_ALL_SRCS}) 909 910 set(ZLIB_INSTALL_LIBRARIES zlib) 911endif() 912 913foreach(ZLIB_INSTALL_LIBRARY ${ZLIB_INSTALL_LIBRARIES}) 914 target_include_directories(${ZLIB_INSTALL_LIBRARY} PUBLIC 915 ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 916endforeach() 917 918if(WIN32) 919 set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME zlib${SUFFIX}) 920else() 921 # On unix-like platforms the library is almost always called libz 922 set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME z${SUFFIX}) 923endif() 924 925if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS) 926 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) 927 set_target_properties(zlib PROPERTIES SOVERSION 1) 928 929 if(ZLIB_COMPAT) 930 set(ZLIB_FULL_VERSION ${ZLIB_HEADER_VERSION}.zlib-ng) 931 else() 932 set(ZLIB_FULL_VERSION ${ZLIBNG_HEADER_VERSION}) 933 endif() 934 935 if(NOT CYGWIN) 936 # This property causes shared libraries on Linux to have the full version 937 # encoded into their final filename. We disable this on Cygwin because 938 # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll 939 # seems to be the default. 940 # 941 # This has no effect with MSVC, on that platform the version info for 942 # the DLL comes from the resource file win32/zlib1.rc 943 set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) 944 endif() 945 946 if(UNIX) 947 if(NOT APPLE) 948 set_target_properties(zlib PROPERTIES LINK_FLAGS 949 "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.map\"") 950 else() 951 # Match configure/make's behavior (i.e. don't use @rpath on mac). 952 set_target_properties(zlib PROPERTIES INSTALL_NAME_DIR "${INSTALL_LIB_DIR}") 953 endif() 954 elseif(MSYS) 955 # Suppress version number from shared library name 956 set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 0) 957 elseif(WIN32) 958 # Creates zlib1.dll when building shared library version 959 set_target_properties(zlib PROPERTIES SUFFIX "1.dll") 960 endif() 961endif() 962 963if(HAVE_STDARG_H) 964 SET(ZCONF_STDARG_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 965else() 966 SET(ZCONF_STDARG_LINE "#ifdef HAVE_STDARG_H /* may be set to #if 1 by configure/cmake/etc */") 967endif() 968if(HAVE_UNISTD_H) 969 SET(ZCONF_UNISTD_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 970else() 971 SET(ZCONF_UNISTD_LINE "#ifdef HAVE_UNISTD_H /* may be set to #if 1 by configure/cmake/etc */") 972endif() 973if(NEED_PTRDIFF_T) 974 SET(ZCONF_PTRDIFF_LINE "#if 1 /* was set to #if 1 by configure/cmake/etc */") 975else() 976 SET(ZCONF_PTRDIFF_LINE "#ifdef NEED_PTRDIFF_T /* may be set to #if 1 by configure/cmake/etc */") 977endif() 978 979set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.pc) 980configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein 981 ${ZLIB_PC} @ONLY) 982configure_file(${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein 983 ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h @ONLY) 984 985if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL) 986 install(TARGETS ${ZLIB_INSTALL_LIBRARIES} 987 RUNTIME DESTINATION "${INSTALL_BIN_DIR}" 988 ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" 989 LIBRARY DESTINATION "${INSTALL_LIB_DIR}") 990endif() 991if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL) 992 install(FILES zlib${SUFFIX}.h 993 DESTINATION "${INSTALL_INC_DIR}" RENAME zlib${SUFFIX}.h) 994 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h 995 DESTINATION "${INSTALL_INC_DIR}" RENAME zconf${SUFFIX}.h) 996endif() 997if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) 998 install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3" RENAME zlib${SUFFIX}.3) 999endif() 1000if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL) 1001 install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") 1002endif() 1003 1004#============================================================================ 1005# Example binaries 1006#============================================================================ 1007 1008option(ZLIB_ENABLE_TESTS "Build test binaries" ON) 1009if(ZLIB_ENABLE_TESTS) 1010 enable_testing() 1011 macro(configure_test_executable target) 1012 target_include_directories(${target} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) 1013 if(NOT WITH_GZFILEOP) 1014 target_compile_definitions(${target} PUBLIC -DWITH_GZFILEOP) 1015 target_sources(${target} PRIVATE ${ZLIB_GZFILE_SRCS}) 1016 endif() 1017 if(ZLIB_DUAL_LINK) 1018 find_package(ZLIB) 1019 if(ZLIB_FOUND) 1020 target_link_libraries(${target} ${ZLIB_LIBRARIES}) 1021 endif() 1022 endif() 1023 endmacro() 1024 1025 add_executable(adler32_test test/adler32_test.c) 1026 configure_test_executable(adler32_test) 1027 target_link_libraries(adler32_test zlib) 1028 1029 set(ADLER32TEST_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:adler32_test>) 1030 add_test(NAME adler32_test COMMAND ${ADLER32TEST_COMMAND}) 1031 1032 add_executable(example test/example.c) 1033 configure_test_executable(example) 1034 target_link_libraries(example zlib) 1035 1036 set(EXAMPLE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:example>) 1037 add_test(NAME example COMMAND ${EXAMPLE_COMMAND}) 1038 1039 set(MINIGZIP_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip>) 1040 add_executable(minigzip test/minigzip.c) 1041 configure_test_executable(minigzip) 1042 if(NOT DEFINED BUILD_SHARED_LIBS) 1043 target_link_libraries(minigzip zlibstatic) 1044 else() 1045 target_link_libraries(minigzip zlib) 1046 endif() 1047 if(BASEARCH_S360_FOUND) 1048 if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE) 1049 set_source_files_properties(test/minigzip.c PROPERTIES COMPILE_DEFINITIONS BUFLEN=262144) 1050 endif() 1051 endif() 1052 1053 set(MINIDEFLATE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minideflate>) 1054 add_executable(minideflate test/minideflate.c) 1055 configure_test_executable(minideflate) 1056 target_link_libraries(minideflate zlib) 1057 1058 if(INSTALL_UTILS) 1059 install(TARGETS minigzip minideflate 1060 RUNTIME DESTINATION "${INSTALL_BIN_DIR}" 1061 ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" 1062 LIBRARY DESTINATION "${INSTALL_LIB_DIR}") 1063 endif() 1064 1065 set(SWITCHLEVELS_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:switchlevels>) 1066 add_executable(switchlevels test/switchlevels.c) 1067 configure_test_executable(switchlevels) 1068 target_link_libraries(switchlevels zlib) 1069 1070 add_executable(infcover test/infcover.c inftrees.c) 1071 configure_test_executable(infcover) 1072 target_link_libraries(infcover zlib) 1073 1074 add_executable(makefixed tools/makefixed.c inftrees.c) 1075 target_include_directories(makefixed PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1076 1077 add_executable(maketrees tools/maketrees.c trees.c zutil.c) 1078 target_include_directories(maketrees PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1079 1080 add_executable(makecrct tools/makecrct.c) 1081 target_include_directories(makecrct PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) 1082 1083 if(WITH_FUZZERS) 1084 set(FUZZERS checksum compress example_small example_large example_flush example_dict minigzip) 1085 file(GLOB ALL_SRC_FILES "${CMAKE_CURRENT_SOURCE_DIR}/*") 1086 foreach(FUZZER ${FUZZERS}) 1087 add_executable(${FUZZER}_fuzzer test/fuzz/${FUZZER}_fuzzer.c test/fuzz/standalone_fuzz_target_runner.c) 1088 configure_test_executable(${FUZZER}_fuzzer) 1089 target_link_libraries(${FUZZER}_fuzzer zlib) 1090 set(FUZZER_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:${FUZZER}_fuzzer> ${ALL_SRC_FILES}) 1091 add_test(NAME ${FUZZER}_fuzzer COMMAND ${FUZZER_COMMAND}) 1092 endforeach() 1093 endif() 1094 1095 macro(test_minigzip name path) 1096 # Construct compression arguments for minigzip 1097 set(compress_args -k -c) 1098 foreach(extra_arg IN ITEMS "${ARGN}") 1099 list(APPEND compress_args ${extra_arg}) 1100 endforeach() 1101 1102 # Create unique friendly string for test 1103 string(REPLACE ";" "" arg_list "${ARGN}") 1104 string(REPLACE " " "" arg_list "${arg_list}") 1105 string(REPLACE "-" "" arg_list "${arg_list}") 1106 1107 set(test_id minigzip-${name}-${arg_list}) 1108 1109 if(NOT TEST ${test_id}) 1110 add_test(NAME ${test_id} 1111 COMMAND ${CMAKE_COMMAND} 1112 "-DTARGET=${MINIGZIP_COMMAND}" 1113 "-DCOMPRESS_ARGS=${compress_args}" 1114 "-DDECOMPRESS_ARGS=-d;-c" 1115 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/${path} 1116 -DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/${path}-${test_id}.gz 1117 "-DSUCCESS_EXIT=0;1" 1118 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1119 endif() 1120 endmacro() 1121 1122 set(TEST_CONFIGS 1123 -R # Z_RLE 1124 -h # Z_HUFFMAN_ONLY 1125 -T # Direct store 1126 -0 # No compression 1127 -1 # Deflate quick 1128 -4 # Deflate medium (lazy matches) 1129 "-5 -F" # Deflate medium (Z_FIXED) 1130 -6 # Deflate medium 1131 -9 # Deflate slow 1132 "-9 -f" # Deflate slow (Z_FILTERED) 1133 ) 1134 1135 file(GLOB_RECURSE TEST_FILE_PATHS 1136 LIST_DIRECTORIES false 1137 RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} 1138 ${CMAKE_CURRENT_SOURCE_DIR}/test/data/*) 1139 1140 foreach(TEST_FILE_PATH ${TEST_FILE_PATHS}) 1141 if("${TEST_FILE_PATH}" MATCHES "$.gz" OR "${TEST_FILE_PATH}" MATCHES "$.out" OR 1142 "${TEST_FILE_PATH}" MATCHES "/.git/" OR "${TEST_FILE_PATH}" MATCHES "$.md") 1143 continue() 1144 endif() 1145 foreach(TEST_CONFIG ${TEST_CONFIGS}) 1146 get_filename_component(TEST_NAME ${TEST_FILE_PATH} NAME_WE) 1147 test_minigzip(${TEST_NAME} ${TEST_FILE_PATH} ${TEST_CONFIG}) 1148 endforeach() 1149 endforeach() 1150 1151 test_minigzip("detect-text" "test/data/lcet10.txt" -A) 1152 test_minigzip("detect-binary" "test/data/paper-100k.pdf" -A) 1153 1154 set(CVES CVE-2002-0059 CVE-2004-0797 CVE-2005-1849 CVE-2005-2096) 1155 foreach(CVE ${CVES}) 1156 set(CVE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip> -d) 1157 add_test(NAME ${CVE} 1158 COMMAND ${CMAKE_COMMAND} 1159 "-DCOMMAND=${CVE_COMMAND}" 1160 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/${CVE}/test.gz 1161 "-DSUCCESS_EXIT=0;1" 1162 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-redirect.cmake) 1163 endforeach() 1164 1165 if(NOT WIN32 AND ZLIB_COMPAT) 1166 add_executable(CVE-2003-0107 test/CVE-2003-0107.c) 1167 target_link_libraries(CVE-2003-0107 zlib) 1168 set(CVE20030107_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:CVE-2003-0107>) 1169 add_test(NAME CVE-2003-0107 COMMAND ${CVE20030107_COMMAND}) 1170 endif() 1171 1172 set(MAKEFIXED_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makefixed>) 1173 add_test(NAME makefixed 1174 COMMAND ${CMAKE_COMMAND} 1175 "-DCOMMAND=${MAKEFIXED_COMMAND}" 1176 -DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/inffixed_tbl._h 1177 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/inffixed_tbl.h 1178 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1179 1180 set(MAKETREES_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:maketrees>) 1181 add_test(NAME maketrees 1182 COMMAND ${CMAKE_COMMAND} 1183 "-DCOMMAND=${MAKETREES_COMMAND}" 1184 -DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/trees_tbl._h 1185 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/trees_tbl.h 1186 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1187 1188 set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct>) 1189 add_test(NAME makecrct 1190 COMMAND ${CMAKE_COMMAND} 1191 "-DCOMMAND=${MAKECRCT_COMMAND}" 1192 -DOUTPUT=${CMAKE_CURRENT_SOURCE_DIR}/crc32_tbl._h 1193 -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/crc32_tbl.h 1194 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake) 1195 1196 set(INFCOVER_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:infcover>) 1197 add_test(NAME infcover COMMAND ${INFCOVER_COMMAND}) 1198 1199 add_test(NAME GH-361 1200 COMMAND ${CMAKE_COMMAND} 1201 "-DTARGET=${MINIGZIP_COMMAND}" 1202 "-DCOMPRESS_ARGS=-c;-d;-4" 1203 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-361/test.txt 1204 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1205 1206 add_test(NAME GH-364 1207 COMMAND ${CMAKE_COMMAND} 1208 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1209 "-DCOMPRESS_ARGS=1;5;9;3" 1210 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1211 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-364/test.bin 1212 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1213 1214 add_test(NAME GH-382 1215 COMMAND ${CMAKE_COMMAND} 1216 "-DTARGET=${MINIDEFLATE_COMMAND}" 1217 "-DCOMPRESS_ARGS=-c;-m;1;-w;-15;-1;-s;4" 1218 "-DDECOMPRESS_ARGS=-c;-d;-m;1;-w;-15" 1219 -DGZIP_VERIFY=OFF 1220 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-382/defneg3.dat 1221 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1222 1223 add_test(NAME GH-536-segfault 1224 COMMAND ${CMAKE_COMMAND} 1225 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1226 "-DCOMPRESS_ARGS=6;9744;1;91207" 1227 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1228 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1229 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1230 1231 add_test(NAME GH-536-incomplete-read 1232 COMMAND ${CMAKE_COMMAND} 1233 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1234 "-DCOMPRESS_ARGS=6;88933;1;195840;2;45761" 1235 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1236 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1237 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1238 1239 add_test(NAME GH-536-zero-stored-block 1240 COMMAND ${CMAKE_COMMAND} 1241 "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}" 1242 "-DCOMPRESS_ARGS=6;15248;1;1050;2;25217" 1243 "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}" 1244 -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt 1245 -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake) 1246endif() 1247 1248FEATURE_SUMMARY(WHAT ALL INCLUDE_QUIET_PACKAGES) 1249