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 ${CMAKE_VERSION}")
8
9set(CMAKE_MACOSX_RPATH 1)
10
11# If not specified on the command line, enable C11 as the default
12# Configuration items that affect the global compiler environment standards
13# should be issued before the "project" command.
14if(NOT CMAKE_C_STANDARD)
15    set(CMAKE_C_STANDARD 11)          # The C standard whose features are requested to build this target
16endif()
17if(NOT CMAKE_C_STANDARD_REQUIRED)
18    set(CMAKE_C_STANDARD_REQUIRED ON) # Boolean describing whether the value of C_STANDARD is a requirement
19endif()
20if(NOT CMAKE_C_EXTENSIONS)
21    set(CMAKE_C_EXTENSIONS OFF)       # Boolean specifying whether compiler specific extensions are requested
22endif()
23set(VALID_C_STANDARDS "99" "11")
24if(NOT CMAKE_C_STANDARD IN_LIST VALID_C_STANDARDS)
25    MESSAGE(FATAL_ERROR "CMAKE_C_STANDARD:STRING=${CMAKE_C_STANDARD} not in known 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.in _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-intrinsics.cmake)
53include(cmake/detect-sanitizer.cmake)
54include(cmake/fallback-macros.cmake)
55
56if(CMAKE_TOOLCHAIN_FILE)
57    message(STATUS "Using CMake toolchain: ${CMAKE_TOOLCHAIN_FILE}")
58endif()
59
60# Make sure we use an appropriate BUILD_TYPE by default, "Release" to be exact
61# this should select the maximum generic optimisation on the current platform (i.e. -O3 for gcc/clang)
62if(NOT GENERATOR_IS_MULTI_CONFIG)
63    if(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)")
68    else()
69        add_feature_info(CMAKE_BUILD_TYPE 1 "Build type: ${CMAKE_BUILD_TYPE} (selected)")
70    endif()
71endif()
72
73#
74# Options parsing
75#
76option(WITH_GZFILEOP "Compile with support for gzFile related functions" ON)
77option(ZLIB_COMPAT "Compile with zlib compatible API" OFF)
78option(ZLIB_ENABLE_TESTS "Build test binaries" ON)
79option(ZLIB_DUAL_LINK "Dual link tests against system zlib" OFF)
80option(WITH_FUZZERS "Build test/fuzz" OFF)
81option(WITH_BENCHMARKS "Build test/benchmarks" OFF)
82option(WITH_BENCHMARK_APPS "Build application benchmarks" OFF)
83option(WITH_OPTIM "Build with optimisation" ON)
84option(WITH_REDUCED_MEM "Reduced memory usage for special cases (reduces performance)" OFF)
85option(WITH_NEW_STRATEGIES "Use new strategies" ON)
86option(WITH_NATIVE_INSTRUCTIONS
87    "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)" OFF)
88option(WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings" OFF)
89option(WITH_CODE_COVERAGE "Enable code coverage reporting" OFF)
90option(WITH_INFLATE_STRICT "Build with strict inflate distance checking" OFF)
91option(WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances" OFF)
92option(WITH_UNALIGNED "Support unaligned reads on platforms that support it" ON)
93
94set(ZLIB_SYMBOL_PREFIX "" CACHE STRING "Give this prefix to all publicly exported symbols.
95Useful when embedding into a larger library.
96Default is no prefix (empty prefix).")
97
98# Add multi-choice option
99set(WITH_SANITIZER AUTO CACHE STRING "Enable sanitizer support")
100set_property(CACHE WITH_SANITIZER PROPERTY STRINGS "Memory" "Address" "Undefined" "Thread")
101
102if(BASEARCH_ARM_FOUND)
103    option(WITH_ACLE "Build with ACLE" ON)
104    option(WITH_NEON "Build with NEON intrinsics" ON)
105elseif(BASEARCH_PPC_FOUND)
106    option(WITH_ALTIVEC "Build with AltiVec (VMX) optimisations for PowerPC" ON)
107    option(WITH_POWER8 "Build with optimisations for POWER8" ON)
108    option(WITH_POWER9 "Build with optimisations for POWER9" ON)
109elseif(BASEARCH_S360_FOUND)
110    option(WITH_DFLTCC_DEFLATE "Build with DFLTCC intrinsics for compression on IBM Z" OFF)
111    option(WITH_DFLTCC_INFLATE "Build with DFLTCC intrinsics for decompression on IBM Z" OFF)
112    option(WITH_CRC32_VX "Build with vectorized CRC32 on IBM Z" ON)
113elseif(BASEARCH_X86_FOUND)
114    option(FORCE_TZCNT "Always assume CPU is TZCNT capable" OFF)
115    option(WITH_AVX2 "Build with AVX2" ON)
116    option(WITH_AVX512 "Build with AVX512" ON)
117    option(WITH_AVX512VNNI "Build with AVX512 VNNI extensions" ON)
118    option(WITH_SSE2 "Build with SSE2" ON)
119    option(WITH_SSSE3 "Build with SSSE3" ON)
120    option(WITH_SSE41 "Build with SSE41" ON)
121    option(WITH_SSE42 "Build with SSE42" ON)
122    option(WITH_PCLMULQDQ "Build with PCLMULQDQ" ON)
123    option(WITH_VPCLMULQDQ "Build with VPCLMULQDQ" ON)
124endif()
125
126option(INSTALL_UTILS "Copy minigzip and minideflate during install" OFF)
127
128mark_as_advanced(FORCE
129    ZLIB_SYMBOL_PREFIX
130    ZLIB_DUAL_LINK
131    WITH_REDUCED_MEM
132    WITH_ACLE WITH_NEON
133    WITH_DFLTCC_DEFLATE
134    WITH_DFLTCC_INFLATE
135    WITH_CRC32_VX
136    WITH_AVX2 WITH_SSE2
137    WITH_SSSE3 WITH_SSE41
138    WITH_SSE42
139    WITH_PCLMULQDQ
140    WITH_ALTIVEC
141    WITH_POWER8
142    WITH_POWER9
143    WITH_INFLATE_STRICT
144    WITH_INFLATE_ALLOW_INVALID_DIST
145    WITH_UNALIGNED
146    INSTALL_UTILS
147    )
148
149if(ZLIB_COMPAT)
150    add_definitions(-DZLIB_COMPAT)
151    set(WITH_GZFILEOP ON)
152    set(SUFFIX "")
153else()
154    set(SUFFIX "-ng")
155endif()
156
157if(WITH_GZFILEOP)
158    add_definitions(-DWITH_GZFILEOP)
159endif()
160
161if(CMAKE_C_COMPILER_ID MATCHES "^Intel")
162    if(CMAKE_HOST_UNIX)
163        set(WARNFLAGS -Wall)
164        set(WARNFLAGS_MAINTAINER -Wall -Wcheck -Wremarks)
165        set(WARNFLAGS_DISABLE)
166    else()
167        set(WARNFLAGS /Wall)
168        set(WARNFLAGS_MAINTAINER /W5)
169        set(WARNFLAGS_DISABLE)
170    endif()
171    if(WITH_NATIVE_INSTRUCTIONS)
172        message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration")
173        set(WITH_NATIVE_INSTRUCTIONS OFF)
174    endif()
175elseif(MSVC)
176    # Minimum supported MSVC version is 1800 = Visual Studio 12.0/2013
177    # See also https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html
178    if(MSVC_VERSION VERSION_LESS 1800)
179        message(SEND_ERROR "Unsupported Visual Studio compiler version (requires 2013 or later).")
180    endif()
181    # TODO. ICC can be used through MSVC. I'm not sure if we'd ever see that combination
182    # (who'd use cmake from an IDE...) but checking for ICC before checking for MSVC should
183    # avoid mistakes.
184    # /Oi ?
185    set(WARNFLAGS /W3)
186    set(WARNFLAGS_MAINTAINER /W4)
187    set(WARNFLAGS_DISABLE)
188    if(BASEARCH_ARM_FOUND)
189        add_definitions(-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE)
190        if(NOT "${ARCH}" MATCHES "aarch64")
191            set(NEONFLAG "/arch:VFPv4")
192        endif()
193        endif()
194    if(WITH_NATIVE_INSTRUCTIONS)
195        message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not supported on this configuration")
196        set(WITH_NATIVE_INSTRUCTIONS OFF)
197    endif()
198elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
199    # Enable warnings in GCC and Clang
200    set(WARNFLAGS -Wall)
201    set(WARNFLAGS_MAINTAINER -Wextra -Wpedantic)
202    set(WARNFLAGS_DISABLE -Wno-implicit-fallthrough)
203    if(WITH_NATIVE_INSTRUCTIONS)
204        if(BASEARCH_PPC_FOUND)
205            set(NATIVEFLAG "-mcpu=native")
206        else()
207            set(NATIVEFLAG "-march=native")
208        endif()
209    else()
210        if(BASEARCH_ARM_FOUND)
211            if("${ARCH}" MATCHES "arm" AND NOT CMAKE_C_FLAGS MATCHES "-mfloat-abi")
212                # Auto-detect support for ARM floating point ABI
213                set(CMAKE_REQUIRED_FLAGS -mfloat-abi=softfp)
214                check_c_source_compiles(
215                    "#include <features.h>
216                    int main() { return 0; }"
217                    HAVE_FLOATABI_SOFTFP)
218                if(HAVE_FLOATABI_SOFTFP)
219                    set(FLOATABI -mfloat-abi=softfp)
220                else()
221                    set(CMAKE_REQUIRED_FLAGS -mfloat-abi=hard)
222                    check_c_source_compiles(
223                        "#include <features.h>
224                        int main() { return 0; }"
225                        HAVE_FLOATABI_HARD)
226                    if(HAVE_FLOATABI_HARD)
227                        set(FLOATABI -mfloat-abi=hard)
228                    endif()
229                endif()
230                set(CMAKE_REQUIRED_FLAGS)
231                if(FLOATABI)
232                    message(STATUS "ARM floating point arch: ${FLOATABI}")
233                    add_compile_options(${FLOATABI})
234                else()
235                    message(STATUS "ARM floating point arch not auto-detected")
236                endif()
237            endif()
238        endif()
239        # Check whether -fno-lto is available
240        set(CMAKE_REQUIRED_FLAGS "-fno-lto")
241        check_c_source_compiles(
242            "int main() { return 0; }"
243            FNO_LTO_AVAILABLE FAIL_REGEX "not supported")
244        set(CMAKE_REQUIRED_FLAGS)
245        if(FNO_LTO_AVAILABLE)
246            set(NOLTOFLAG "-fno-lto")
247        endif()
248    endif()
249else()
250    if(WITH_NATIVE_INSTRUCTIONS)
251        message(STATUS "Ignoring WITH_NATIVE_INSTRUCTIONS; not implemented yet on this configuration")
252        set(WITH_NATIVE_INSTRUCTIONS OFF)
253    endif()
254endif()
255
256# Disable LTO
257if(NOT WITH_NATIVE_INSTRUCTIONS)
258    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION OFF)
259    foreach(_cfg_name IN LISTS CMAKE_CONFIGURATION_TYPES)
260        string(TOUPPER "${_cfg_name}" _cfg_name_uc)
261        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_${_cfg_name_uc} OFF)
262    endforeach()
263endif()
264
265# Set architecture alignment requirements
266if(NOT WITH_UNALIGNED)
267    add_definitions(-DNO_UNALIGNED)
268    message(STATUS "Unaligned reads manually disabled")
269endif()
270
271# Apply warning compiler flags
272if(WITH_MAINTAINER_WARNINGS)
273    add_compile_options(${WARNFLAGS} ${WARNFLAGS_MAINTAINER} ${WARNFLAGS_DISABLE})
274else()
275    add_compile_options(${WARNFLAGS} ${WARNFLAGS_DISABLE})
276endif()
277
278# Set code coverage compiler flags
279if(WITH_CODE_COVERAGE)
280    add_code_coverage()
281endif()
282
283# Replace optimization level 3 added by default with level 2
284if(NOT WITH_CODE_COVERAGE AND NOT MSVC AND NOT CMAKE_C_FLAGS MATCHES "([\\/\\-]O)3")
285    string(REGEX REPLACE "([\\/\\-]O)3" "\\12"
286        CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
287endif()
288
289# Set native instruction set compiler flag
290if(WITH_NATIVE_INSTRUCTIONS AND DEFINED NATIVEFLAG)
291    # Apply flag to all source files and compilation checks
292    add_compile_options(${NATIVEFLAG})
293endif()
294
295#
296# Check for standard/system includes
297#
298check_include_file(sys/auxv.h  HAVE_SYS_AUXV_H)
299if(HAVE_SYS_AUXV_H)
300    add_definitions(-DHAVE_SYS_AUXV_H)
301endif()
302check_include_file(sys/sdt.h   HAVE_SYS_SDT_H)
303if(HAVE_SYS_SDT_H)
304    add_definitions(-DHAVE_SYS_SDT_H)
305endif()
306check_include_file(unistd.h    HAVE_UNISTD_H)
307
308#
309# Check to see if we have large file support
310#
311set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64)
312check_type_size(off64_t OFF64_T)
313if(HAVE_OFF64_T)
314    add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64)
315else()
316    check_type_size(_off64_t _OFF64_T)
317    if(HAVE__OFF64_T)
318        add_definitions(-D_LARGEFILE64_SOURCE=1 -D__USE_LARGEFILE64)
319    else()
320        check_type_size(__off64_t __OFF64_T)
321    endif()
322endif()
323set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
324
325#
326# Check for fseeko and other optional functions
327#
328check_function_exists(fseeko HAVE_FSEEKO)
329if(NOT HAVE_FSEEKO)
330    add_definitions(-DNO_FSEEKO)
331endif()
332check_function_exists(strerror HAVE_STRERROR)
333if(NOT HAVE_STRERROR)
334    add_definitions(-DNO_STRERROR)
335endif()
336set(CMAKE_REQUIRED_DEFINITIONS -D _POSIX_C_SOURCE=200112L)
337check_function_exists(posix_memalign HAVE_POSIX_MEMALIGN)
338if(HAVE_POSIX_MEMALIGN)
339    add_definitions(-DHAVE_POSIX_MEMALIGN)
340endif()
341set(CMAKE_REQUIRED_DEFINITIONS)
342
343if(WITH_SANITIZER STREQUAL "Address")
344    add_address_sanitizer()
345elseif(WITH_SANITIZER STREQUAL "Memory")
346    add_memory_sanitizer()
347elseif(WITH_SANITIZER STREQUAL "Thread")
348    add_thread_sanitizer()
349elseif(WITH_SANITIZER STREQUAL "Undefined")
350    add_undefined_sanitizer()
351endif()
352
353#
354# Check whether compiler supports -fno-semantic-interposition parameter
355#
356check_c_compiler_flag(-fno-semantic-interposition HAVE_NO_INTERPOSITION)
357
358#
359# Check if we can hide zlib internal symbols that are linked between separate source files using hidden
360#
361check_c_source_compiles(
362    "#define Z_INTERNAL __attribute__((visibility (\"hidden\")))
363    int Z_INTERNAL foo;
364    int main() {
365        return 0;
366    }"
367    HAVE_ATTRIBUTE_VISIBILITY_HIDDEN FAIL_REGEX "not supported")
368if(HAVE_ATTRIBUTE_VISIBILITY_HIDDEN)
369    add_definitions(-DHAVE_VISIBILITY_HIDDEN)
370endif()
371
372#
373# Check if we can hide zlib internal symbols that are linked between separate source files using internal
374#
375check_c_source_compiles(
376    "#define Z_INTERNAL __attribute__((visibility (\"internal\")))
377    int Z_INTERNAL foo;
378    int main() {
379        return 0;
380    }"
381    HAVE_ATTRIBUTE_VISIBILITY_INTERNAL FAIL_REGEX "not supported")
382if(HAVE_ATTRIBUTE_VISIBILITY_INTERNAL)
383    add_definitions(-DHAVE_VISIBILITY_INTERNAL)
384endif()
385
386#
387# check for __builtin_ctz() support in the compiler
388#
389check_c_source_compiles(
390    "int main(void) {
391        unsigned int zero = 0;
392        long test = __builtin_ctz(zero);
393        (void)test;
394        return 0;
395    }"
396    HAVE_BUILTIN_CTZ
397)
398if(HAVE_BUILTIN_CTZ)
399    add_definitions(-DHAVE_BUILTIN_CTZ)
400endif()
401#
402# check for __builtin_ctzll() support in the compiler
403#
404check_c_source_compiles(
405    "int main(void) {
406        unsigned int zero = 0;
407        long test = __builtin_ctzll(zero);
408        (void)test;
409        return 0;
410    }"
411    HAVE_BUILTIN_CTZLL
412)
413if(HAVE_BUILTIN_CTZLL)
414    add_definitions(-DHAVE_BUILTIN_CTZLL)
415endif()
416
417#
418# check for ptrdiff_t support
419#
420check_c_source_compiles(
421    "#include <stddef.h>
422     int main() {
423         ptrdiff_t *a;
424         (void)a;
425         return 0;
426    }"
427    HAVE_PTRDIFF_T
428)
429if(NOT HAVE_PTRDIFF_T)
430    set(NEED_PTRDIFF_T 1)
431
432    check_type_size("void *" SIZEOF_DATA_PTR)
433    message(STATUS "sizeof(void *) is ${SIZEOF_DATA_PTR} bytes")
434
435    if(${SIZEOF_DATA_PTR} MATCHES "4")
436        set(PTRDIFF_TYPE "uint32_t")
437    elseif(${SIZEOF_DATA_PTR} MATCHES "8")
438        set(PTRDIFF_TYPE "uint64_t")
439    else()
440        message(FATAL_ERROR "sizeof(void *) is neither 32 nor 64 bit")
441    endif()
442endif()
443
444# Macro to check if source compiles
445# (and, when compiling very natively, also runs).
446macro(check_c_source_compile_or_run source flag)
447    if(CMAKE_CROSSCOMPILING OR NOT WITH_NATIVE_INSTRUCTIONS)
448        check_c_source_compiles("${source}" ${flag})
449    else()
450        check_c_source_runs("${source}" ${flag})
451    endif()
452endmacro()
453
454add_compile_options($<$<CONFIG:Debug>:-DZLIB_DEBUG>)
455
456if(MSVC)
457    set(CMAKE_DEBUG_POSTFIX "d")
458    add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
459    add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
460endif()
461
462if(BASEARCH_X86_FOUND)
463    # FORCE_SSE2 option will only be shown if HAVE_SSE2_INTRIN is true
464    if("${ARCH}" MATCHES "i[3-6]86")
465        cmake_dependent_option(FORCE_SSE2 "Always assume CPU is SSE2 capable" OFF "HAVE_SSE2_INTRIN" OFF)
466    endif()
467endif()
468
469#
470# Enable deflate_quick at level 1
471#
472if(NOT WITH_NEW_STRATEGIES)
473    add_definitions(-DNO_QUICK_STRATEGY)
474endif()
475#
476# Enable deflate_medium at level 4-6
477#
478if(NOT WITH_NEW_STRATEGIES)
479    add_definitions(-DNO_MEDIUM_STRATEGY)
480endif()
481#
482# Enable inflate compilation options
483#
484if(WITH_INFLATE_STRICT)
485    add_definitions(-DINFLATE_STRICT)
486    message(STATUS "Inflate strict distance checking enabled")
487endif()
488if(WITH_INFLATE_ALLOW_INVALID_DIST)
489    add_definitions(-DINFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR)
490    message(STATUS "Inflate zero data for invalid distances enabled")
491endif()
492#
493# Enable reduced memory configuration
494#
495if(WITH_REDUCED_MEM)
496    add_definitions(-DHASH_SIZE=32768u -DGZBUFSIZE=8192)
497    message(STATUS "Configured for reduced memory environment")
498endif()
499
500
501set(ZLIB_ARCH_SRCS)
502set(ZLIB_ARCH_HDRS)
503set(ARCHDIR "arch/generic")
504if(BASEARCH_ARM_FOUND)
505    set(ARCHDIR "arch/arm")
506elseif(BASEARCH_PPC_FOUND)
507    set(ARCHDIR "arch/power")
508elseif(BASEARCH_S360_FOUND)
509    set(ARCHDIR "arch/s390")
510elseif(BASEARCH_X86_FOUND)
511    set(ARCHDIR "arch/x86")
512    if(NOT ${ARCH} MATCHES "x86_64")
513        add_feature_info(SSE2 1 "Support the SSE2 instruction set, using \"${SSE2FLAG}\"")
514    endif()
515else()
516    message(STATUS "No optimized architecture: using ${ARCHDIR}")
517endif()
518
519if(WITH_OPTIM)
520    if(BASEARCH_ARM_FOUND)
521        add_definitions(-DARM_FEATURES)
522        if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
523            if(NOT "${ARCH}" MATCHES "aarch64")
524                check_c_source_compiles(
525                    "#include <sys/auxv.h>
526                    int main() {
527                        return (getauxval(AT_HWCAP2) & HWCAP2_CRC32);
528                    }"
529                    ARM_AUXV_HAS_CRC32
530                )
531                if(ARM_AUXV_HAS_CRC32)
532                    add_definitions(-DARM_AUXV_HAS_CRC32)
533                else()
534                    check_c_source_compiles(
535                        "#include <sys/auxv.h>
536                        #include <asm/hwcap.h>
537                        int main() {
538                            return (getauxval(AT_HWCAP2) & HWCAP2_CRC32);
539                        }"
540                        ARM_HWCAP_HAS_CRC32
541                    )
542                    if (ARM_HWCAP_HAS_CRC32)
543                        add_definitions(-DARM_AUXV_HAS_CRC32 -DARM_ASM_HWCAP)
544                    else()
545                        message(STATUS "HWCAP2_CRC32 not present in sys/auxv.h; cannot detect support at runtime.")
546                    endif()
547                endif()
548            else()
549                check_c_source_compiles(
550                    "#include <sys/auxv.h>
551                    int main() {
552                        return (getauxval(AT_HWCAP) & HWCAP_CRC32);
553                    }"
554                    ARM_AUXV_HAS_CRC32
555                )
556                if(ARM_AUXV_HAS_CRC32)
557                    add_definitions(-DARM_AUXV_HAS_CRC32)
558                else()
559                   message(STATUS "HWCAP_CRC32 not present in sys/auxv.h; cannot detect support at runtime.")
560                endif()
561            endif()
562            if(NOT "${ARCH}" MATCHES "aarch64")
563                check_c_source_compiles(
564                    "#include <sys/auxv.h>
565                    int main() {
566                      return (getauxval(AT_HWCAP) & HWCAP_ARM_NEON);
567                    }"
568                    ARM_AUXV_HAS_NEON
569                )
570                if(ARM_AUXV_HAS_NEON)
571                    add_definitions(-DARM_AUXV_HAS_NEON)
572                else()
573                    check_c_source_compiles(
574                        "#include <sys/auxv.h>
575                        int main() {
576                          return (getauxval(AT_HWCAP) & HWCAP_NEON);
577                        }"
578                        ARM_AUXV_HAS_NEON
579                    )
580                    if (ARM_AUXV_HAS_NEON)
581                        add_definitions(-DARM_AUXV_HAS_NEON)
582                    else()
583                        message(STATUS "Neither HWCAP_ARM_NEON or HWCAP_NEON present in sys/auxv.h; cannot detect support at runtime.")
584                    endif()
585                endif()
586            endif()
587        endif()
588        list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/arm_features.h)
589        list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/arm_features.c)
590        if(WITH_ACLE AND NOT MSVC AND NOT "${ARCH}" MATCHES "armv[2-7]")
591            check_acle_compiler_flag()
592            if(HAVE_ACLE_FLAG)
593                add_definitions(-DARM_ACLE_CRC_HASH)
594                set(ACLE_SRCS ${ARCHDIR}/crc32_acle.c ${ARCHDIR}/insert_string_acle.c)
595                set_property(SOURCE ${ACLE_SRCS} PROPERTY COMPILE_FLAGS "${ACLEFLAG} ${NOLTOFLAG}")
596                list(APPEND ZLIB_ARCH_SRCS ${ACLE_SRCS})
597                add_feature_info(ACLE_CRC 1 "Support ACLE optimized CRC hash generation, using \"${ACLEFLAG}\"")
598            else()
599                set(WITH_ACLE OFF)
600            endif()
601        else()
602            set(WITH_ACLE OFF)
603        endif()
604        if(WITH_NEON)
605            check_neon_compiler_flag()
606            if(MFPU_NEON_AVAILABLE)
607                add_definitions(-DARM_NEON -DARM_NEON_ADLER32 -DARM_NEON_CHUNKSET -DARM_NEON_SLIDEHASH)
608                set(NEON_SRCS ${ARCHDIR}/adler32_neon.c ${ARCHDIR}/chunkset_neon.c
609                    ${ARCHDIR}/compare256_neon.c ${ARCHDIR}/slide_hash_neon.c)
610                list(APPEND ZLIB_ARCH_SRCS ${NEON_SRCS})
611                set_property(SOURCE ${NEON_SRCS} PROPERTY COMPILE_FLAGS "${NEONFLAG} ${NOLTOFLAG}")
612                if(MSVC)
613                    add_definitions(-D__ARM_NEON__)
614                endif()
615                add_feature_info(NEON_ADLER32 1 "Support NEON instructions in adler32, using \"${NEONFLAG}\"")
616                add_feature_info(NEON_SLIDEHASH 1 "Support NEON instructions in slide_hash, using \"${NEONFLAG}\"")
617                check_neon_ld4_intrinsics()
618                if(NEON_HAS_LD4)
619                    add_definitions(-DARM_NEON_HASLD4)
620                endif()
621            else()
622                set(WITH_NEON OFF)
623            endif()
624        endif()
625    elseif(BASEARCH_PPC_FOUND)
626        # Common arch detection code
627        if(WITH_ALTIVEC)
628            check_ppc_intrinsics()
629        endif()
630        if(WITH_POWER8)
631            check_power8_intrinsics()
632        endif()
633        if(WITH_POWER9)
634            check_power9_intrinsics()
635        endif()
636        if(HAVE_VMX OR HAVE_POWER8_INTRIN OR HAVE_POWER9_INTRIN)
637            list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/power_features.h)
638            list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/power_features.c)
639        endif()
640        # VMX specific options and files
641        if(WITH_ALTIVEC)
642            if(HAVE_VMX)
643                add_definitions(-DPPC_FEATURES)
644                if(HAVE_ALTIVEC)
645                    add_definitions(-DPPC_VMX_ADLER32)
646                    add_definitions(-DPPC_VMX_SLIDEHASH)
647                    set(PPC_SRCS ${ARCHDIR}/adler32_vmx.c ${ARCHDIR}/slide_hash_vmx.c)
648                    list(APPEND ZLIB_ARCH_SRCS ${PPC_SRCS})
649                    add_feature_info(ALTIVEC 1 "Support the AltiVec instruction set, using \"-maltivec\"")
650                    set_property(SOURCE ${PPC_SRCS} PROPERTY COMPILE_FLAGS "${PPCFLAGS}")
651                else()
652                    set(WITH_ALTIVEC OFF)
653                endif()
654            endif()
655        endif()
656        # Power8 specific options and files
657        if(WITH_POWER8)
658            if(HAVE_POWER8_INTRIN)
659                add_definitions(-DPOWER8)
660                add_definitions(-DPOWER_FEATURES)
661                add_definitions(-DPOWER8_VSX_ADLER32)
662                add_definitions(-DPOWER8_VSX_CHUNKSET)
663                add_definitions(-DPOWER8_VSX_SLIDEHASH)
664                set(POWER8_SRCS ${ARCHDIR}/adler32_power8.c ${ARCHDIR}/chunkset_power8.c ${ARCHDIR}/slide_hash_power8.c)
665                if("${ARCH}" MATCHES "powerpc64(le)?")
666                    add_definitions(-DPOWER8_VSX_CRC32)
667                    list(APPEND POWER8_SRCS ${ARCHDIR}/crc32_power8.c)
668                endif()
669                list(APPEND ZLIB_ARCH_SRCS ${POWER8_SRCS})
670                set_property(SOURCE ${POWER8_SRCS} PROPERTY COMPILE_FLAGS "${POWER8FLAG} ${NOLTOFLAG}")
671            else()
672                set(WITH_POWER8 OFF)
673            endif()
674        endif()
675        # Power9 specific options and files
676        if(WITH_POWER9)
677            if(HAVE_POWER9_INTRIN)
678                add_definitions(-DPOWER9)
679                set(POWER9_SRCS ${ARCHDIR}/compare256_power9.c)
680                list(APPEND ZLIB_ARCH_SRCS ${POWER9_SRCS})
681                set_property(SOURCE ${POWER9_SRCS} PROPERTY COMPILE_FLAGS "${POWER9FLAG} ${NOLTOFLAG}")
682            else()
683                set(WITH_POWER9 OFF)
684            endif()
685        endif()
686    elseif(BASEARCH_S360_FOUND)
687        check_s390_intrinsics()
688        if(HAVE_S390_INTRIN)
689            add_definitions(-DS390_FEATURES)
690            list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/s390_features.h)
691            list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/s390_features.c)
692        endif()
693        if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE)
694            list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_common.c)
695        endif()
696        if(WITH_DFLTCC_DEFLATE)
697            add_definitions(-DS390_DFLTCC_DEFLATE)
698            list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_deflate.c)
699        endif()
700        if(WITH_DFLTCC_INFLATE)
701            add_definitions(-DS390_DFLTCC_INFLATE)
702            list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/dfltcc_inflate.c)
703        endif()
704        if(WITH_CRC32_VX)
705            check_vgfma_intrinsics()
706            if(HAVE_VGFMA_INTRIN)
707                add_definitions(-DS390_CRC32_VX)
708                set(CRC32_VX_SRCS ${ARCHDIR}/crc32-vx.c)
709                list(APPEND ZLIB_ARCH_SRCS ${CRC32_VX_SRCS})
710                set_property(SOURCE ${CRC32_VX_SRCS} PROPERTY COMPILE_FLAGS "${VGFMAFLAG} ${NOLTOFLAG}")
711            else()
712                set(WITH_CRC32_VX OFF)
713            endif()
714        endif()
715    elseif(BASEARCH_X86_FOUND)
716        add_definitions(-DX86_FEATURES)
717        list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/x86_features.h)
718        list(APPEND ZLIB_ARCH_SRCS ${ARCHDIR}/x86_features.c)
719        if(MSVC)
720            list(APPEND ZLIB_ARCH_HDRS fallback_builtins.h)
721        endif()
722        if(WITH_AVX2)
723            check_avx2_intrinsics()
724            if(HAVE_AVX2_INTRIN)
725                add_definitions(-DX86_AVX2 -DX86_AVX2_ADLER32 -DX86_AVX_CHUNKSET)
726                set(AVX2_SRCS ${ARCHDIR}/slide_hash_avx2.c)
727                add_feature_info(AVX2_SLIDEHASH 1 "Support AVX2 optimized slide_hash, using \"${AVX2FLAG}\"")
728                list(APPEND AVX2_SRCS ${ARCHDIR}/chunkset_avx.c)
729                add_feature_info(AVX_CHUNKSET 1 "Support AVX optimized chunkset, using \"${AVX2FLAG}\"")
730                list(APPEND AVX2_SRCS ${ARCHDIR}/compare256_avx2.c)
731                add_feature_info(AVX2_COMPARE256 1 "Support AVX2 optimized compare256, using \"${AVX2FLAG}\"")
732                list(APPEND AVX2_SRCS ${ARCHDIR}/adler32_avx2.c)
733                add_feature_info(AVX2_ADLER32 1 "Support AVX2-accelerated adler32, using \"${AVX2FLAG}\"")
734                list(APPEND ZLIB_ARCH_SRCS ${AVX2_SRCS})
735                set_property(SOURCE ${AVX2_SRCS} PROPERTY COMPILE_FLAGS "${AVX2FLAG} ${NOLTOFLAG}")
736            else()
737                set(WITH_AVX2 OFF)
738            endif()
739        endif()
740        if(WITH_AVX512)
741            check_avx512_intrinsics()
742            if(HAVE_AVX512_INTRIN)
743                add_definitions(-DX86_AVX512 -DX86_AVX512_ADLER32)
744                list(APPEND AVX512_SRCS ${ARCHDIR}/adler32_avx512.c)
745                add_feature_info(AVX512_ADLER32 1 "Support AVX512-accelerated adler32, using \"${AVX512FLAG}\"")
746                list(APPEND ZLIB_ARCH_SRCS ${AVX512_SRCS})
747                list(APPEND ZLIB_ARCH_HDRS ${ARCHDIR}/adler32_avx512_p.h)
748                if(HAVE_MASK_INTRIN)
749                    add_definitions(-DX86_MASK_INTRIN)
750                endif()
751                set_property(SOURCE ${AVX512_SRCS} PROPERTY COMPILE_FLAGS "${AVX512FLAG} ${NOLTOFLAG}")
752            else()
753                set(WITH_AVX512 OFF)
754            endif()
755        endif()
756        if(WITH_AVX512VNNI)
757            check_avx512vnni_intrinsics()
758            if(HAVE_AVX512VNNI_INTRIN)
759                add_definitions(-DX86_AVX512VNNI -DX86_AVX512VNNI_ADLER32)
760                add_feature_info(AVX512VNNI_ADLER32 1 "Support AVX512VNNI adler32, using \"${AVX512VNNIFLAG}\"")
761                list(APPEND AVX512VNNI_SRCS ${ARCHDIR}/adler32_avx512_vnni.c)
762                list(APPEND ZLIB_ARCH_SRCS ${AVX512VNNI_SRCS})
763                set_property(SOURCE ${AVX512VNNI_SRCS} PROPERTY COMPILE_FLAGS "${AVX512VNNIFLAG} ${NOLTOFLAG}")
764            else()
765                set(WITH_AVX512VNNI OFF)
766            endif()
767        endif()
768        if(WITH_SSE41)
769            check_sse41_intrinsics()
770            if(HAVE_SSE41_INTRIN)
771                add_definitions(-DX86_SSE41)
772                list(APPEND SSE41_SRCS ${ARCHDIR}/chunkset_sse41.c)
773                list(APPEND ZLIB_ARCH_SRCS ${SSE41_SRCS})
774                set_property(SOURCE ${SSE41_SRCS} PROPERTY COMPILE_FLAGS "${SSE41FLAG} ${NOLTOFLAG}")
775            else()
776                set(WITH_SSE41 OFF)
777            endif()
778        endif()
779        if(WITH_SSE42)
780            check_sse42_intrinsics()
781            if(HAVE_SSE42CRC_INLINE_ASM OR HAVE_SSE42CRC_INTRIN)
782                add_definitions(-DX86_SSE42_CRC_HASH -DX86_SSE42_ADLER32)
783                set(SSE42_SRCS ${ARCHDIR}/adler32_sse42.c ${ARCHDIR}/insert_string_sse42.c)
784                add_feature_info(SSE42_CRC 1 "Support SSE4.2 optimized CRC hash generation, using \"${SSE42FLAG}\"")
785                list(APPEND ZLIB_ARCH_SRCS ${SSE42_SRCS})
786                set_property(SOURCE ${SSE42_SRCS} PROPERTY COMPILE_FLAGS "${SSE42FLAG} ${NOLTOFLAG}")
787                if(HAVE_SSE42CRC_INTRIN)
788                    add_definitions(-DX86_SSE42_CRC_INTRIN)
789                endif()
790            endif()
791            if(NOT HAVE_SSE42CRC_INLINE_ASM AND NOT HAVE_SSE42CRC_INTRIN AND NOT HAVE_SSE42CMPSTR_INTRIN)
792                set(WITH_SSE4 OFF)
793            endif()
794        endif()
795        if(FORCE_TZCNT)
796            add_definitions(-DX86_NOCHECK_TZCNT)
797        endif()
798        add_feature_info(FORCE_TZCNT FORCE_TZCNT "Assume CPU is TZCNT capable")
799        if(WITH_SSE2)
800            check_sse2_intrinsics()
801            if(HAVE_SSE2_INTRIN)
802                add_definitions(-DX86_SSE2 -DX86_SSE2_CHUNKSET -DX86_SSE2_SLIDEHASH)
803                set(SSE2_SRCS ${ARCHDIR}/chunkset_sse2.c ${ARCHDIR}/compare256_sse2.c ${ARCHDIR}/slide_hash_sse2.c)
804                list(APPEND ZLIB_ARCH_SRCS ${SSE2_SRCS})
805                if(NOT ${ARCH} MATCHES "x86_64")
806                    set_property(SOURCE ${SSE2_SRCS} PROPERTY COMPILE_FLAGS "${SSE2FLAG} ${NOLTOFLAG}")
807                    add_feature_info(FORCE_SSE2 FORCE_SSE2 "Assume CPU is SSE2 capable")
808                    if(FORCE_SSE2)
809                        add_definitions(-DX86_NOCHECK_SSE2)
810                    endif()
811                endif()
812            else()
813                set(WITH_SSE2 OFF)
814            endif()
815        endif()
816        if(WITH_SSSE3)
817            check_ssse3_intrinsics()
818            if(HAVE_SSSE3_INTRIN)
819                add_definitions(-DX86_SSSE3 -DX86_SSSE3_ADLER32)
820                set(SSSE3_SRCS ${ARCHDIR}/adler32_ssse3.c)
821                add_feature_info(SSSE3_ADLER32 1 "Support SSSE3-accelerated adler32, using \"${SSSE3FLAG}\"")
822                list(APPEND ZLIB_ARCH_SRCS ${SSSE3_SRCS})
823                set_property(SOURCE ${SSSE3_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${NOLTOFLAG}")
824            else()
825                set(WITH_SSSE3 OFF)
826            endif()
827        endif()
828        if(WITH_PCLMULQDQ AND WITH_SSSE3 AND WITH_SSE42)
829            check_pclmulqdq_intrinsics()
830            if(HAVE_PCLMULQDQ_INTRIN AND HAVE_SSSE3_INTRIN)
831                add_definitions(-DX86_PCLMULQDQ_CRC)
832                set(PCLMULQDQ_SRCS ${ARCHDIR}/crc32_fold_pclmulqdq.c)
833                add_feature_info(PCLMUL_CRC 1 "Support CRC hash generation using PCLMULQDQ, using \"${SSSE3FLAG} ${SSE42FLAG} ${PCLMULFLAG}\"")
834                list(APPEND ZLIB_ARCH_SRCS ${PCLMULQDQ_SRCS})
835                set_property(SOURCE ${PCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${SSSE3FLAG} ${SSE42FLAG} ${PCLMULFLAG} ${NOLTOFLAG}")
836
837                if(WITH_VPCLMULQDQ AND WITH_AVX512)
838                    check_vpclmulqdq_intrinsics()
839                    if(HAVE_VPCLMULQDQ_INTRIN AND HAVE_AVX512_INTRIN)
840                        add_definitions(-DX86_VPCLMULQDQ_CRC)
841                        set(VPCLMULQDQ_SRCS ${ARCHDIR}/crc32_fold_vpclmulqdq.c)
842                        add_feature_info(VPCLMUL_CRC 1 "Support CRC hash generation using VPCLMULQDQ, using \"${VPCLMULFLAG} ${AVX512FLAG}\"")
843                        list(APPEND ZLIB_ARCH_SRCS ${VPCLMULQDQ_SRCS})
844                        set_property(SOURCE ${VPCLMULQDQ_SRCS} PROPERTY COMPILE_FLAGS "${VPCLMULFLAG} ${AVX512FLAG} ${NOLTOFLAG}")
845                    else()
846                        set(WITH_VPCLMULQDQ OFF)
847                    endif()
848                else()
849                    set(WITH_VPCLMULQDQ OFF)
850                endif()
851            else()
852                set(WITH_PCLMULQDQ OFF)
853                set(WITH_VPCLMULQDQ OFF)
854            endif()
855        else()
856            set(WITH_PCLMULQDQ OFF)
857            set(WITH_VPCLMULQDQ OFF)
858        endif()
859    endif()
860endif()
861
862message(STATUS "Architecture-specific source files: ${ZLIB_ARCH_SRCS}")
863
864#============================================================================
865# zconf.h
866#============================================================================
867
868macro(generate_cmakein input output)
869    file(REMOVE ${output})
870    file(STRINGS ${input} _lines)
871    foreach(_line IN LISTS _lines)
872        string(REGEX REPLACE "#ifdef HAVE_UNISTD_H.*" "@ZCONF_UNISTD_LINE@" _line "${_line}")
873        string(REGEX REPLACE "#ifdef NEED_PTRDIFF_T.*" "@ZCONF_PTRDIFF_LINE@" _line "${_line}")
874        if(NEED_PTRDIFF_T)
875            string(REGEX REPLACE "typedef PTRDIFF_TYPE" "typedef @PTRDIFF_TYPE@" _line "${_line}")
876        endif()
877        file(APPEND ${output} "${_line}\n")
878    endforeach()
879endmacro(generate_cmakein)
880
881generate_cmakein( ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.in ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein )
882
883if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
884    # If we're doing an out of source build and the user has a zconf.h
885    # in their source tree...
886    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h)
887        message(STATUS "Renaming")
888        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h")
889        message(STATUS "to 'zconf${SUFFIX}.h.included' because this file is included with zlib")
890        message(STATUS "but CMake generates it automatically in the build directory.")
891        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.included)
892    endif()
893
894    # If we're doing an out of source build and the user has a zconf.h.cmakein
895    # in their source tree...
896    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein)
897        message(STATUS "Renaming")
898        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein")
899        message(STATUS "to 'zconf${SUFFIX}.h.cmakeincluded' because this file is included with zlib")
900        message(STATUS "but CMake generates it automatically in the build directory.")
901        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakein ${CMAKE_CURRENT_SOURCE_DIR}/zconf${SUFFIX}.h.cmakeincluded)
902    endif()
903endif()
904
905# Refer to prefix symbolically to ease relocation by end user,
906# as Makefile-generated .pc file does.
907if(INC_INSTALL_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/include")
908  set(PC_INC_INSTALL_DIR "\${prefix}/include")
909else()
910  set(PC_INC_INSTALL_DIR "${INC_INSTALL_DIR}")
911endif()
912if(LIB_INSTALL_DIR STREQUAL "${CMAKE_INSTALL_PREFIX}/lib")
913  set(PC_LIB_INSTALL_DIR "\${exec_prefix}/lib")
914else()
915  set(PC_LIB_INSTALL_DIR "${LIB_INSTALL_DIR}")
916endif()
917
918#============================================================================
919# zlib
920#============================================================================
921
922set(ZLIB_PUBLIC_HDRS
923    ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h
924    ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h
925    ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h
926)
927set(ZLIB_PRIVATE_HDRS
928    adler32_p.h
929    chunkset_tpl.h
930    cpu_features.h
931    crc32_braid_p.h
932    crc32_braid_comb_p.h
933    crc32_braid_tbl.h
934    crc32_fold.h
935    deflate.h
936    deflate_p.h
937    functable.h
938    inffast.h
939    inffixed_tbl.h
940    inflate.h
941    inflate_p.h
942    inftrees.h
943    insert_string_tpl.h
944    match_tpl.h
945    trees.h
946    trees_emit.h
947    trees_tbl.h
948    zbuild.h
949    zendian.h
950    zutil.h
951)
952set(ZLIB_SRCS
953    adler32.c
954    adler32_fold.c
955    chunkset.c
956    compare256.c
957    compress.c
958    cpu_features.c
959    crc32_braid.c
960    crc32_braid_comb.c
961    crc32_fold.c
962    deflate.c
963    deflate_fast.c
964    deflate_huff.c
965    deflate_medium.c
966    deflate_quick.c
967    deflate_rle.c
968    deflate_slow.c
969    deflate_stored.c
970    functable.c
971    infback.c
972    inffast.c
973    inflate.c
974    inftrees.c
975    insert_string.c
976    insert_string_roll.c
977    slide_hash.c
978    trees.c
979    uncompr.c
980    zutil.c
981)
982
983set(ZLIB_GZFILE_PRIVATE_HDRS
984    gzguts.h
985)
986set(ZLIB_GZFILE_SRCS
987    gzlib.c
988    ${CMAKE_CURRENT_BINARY_DIR}/gzread.c
989    gzwrite.c
990)
991
992set(ZLIB_ALL_SRCS ${ZLIB_SRCS} ${ZLIB_ARCH_HDRS} ${ZLIB_ARCH_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
993if(WITH_GZFILEOP)
994    list(APPEND ZLIB_ALL_SRCS ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS})
995endif()
996
997if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
998    if(NOT MINGW AND NOT MSYS AND NOT CYGWIN)
999        # If present will override custom build rule below.
1000        set(ZLIB_DLL_SRCS win32/zlib${SUFFIX}1.rc)
1001    endif()
1002
1003    if(MINGW OR MSYS OR CYGWIN)
1004        # This gets us DLL resource information when compiling on MinGW.
1005        if(NOT CMAKE_RC_COMPILER)
1006            set(CMAKE_RC_COMPILER windres.exe)
1007        endif()
1008
1009        add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
1010            COMMAND ${CMAKE_RC_COMPILER}
1011                -D GCC_WINDRES
1012                -I ${CMAKE_CURRENT_SOURCE_DIR}
1013                -I ${CMAKE_CURRENT_BINARY_DIR}
1014                -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
1015                -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib${SUFFIX}1.rc)
1016        set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
1017    endif()
1018endif()
1019
1020if(NOT DEFINED BUILD_SHARED_LIBS)
1021    add_library(zlib SHARED ${ZLIB_ALL_SRCS} ${ZLIB_DLL_SRCS})
1022    add_library(zlibstatic STATIC ${ZLIB_ALL_SRCS})
1023
1024    set(ZLIB_INSTALL_LIBRARIES zlib zlibstatic)
1025else()
1026    add_library(zlib ${ZLIB_ALL_SRCS})
1027
1028    if(BUILD_SHARED_LIBS)
1029        target_sources(zlib PRIVATE ${ZLIB_DLL_SRCS})
1030    else()
1031        add_library(zlibstatic ALIAS zlib)
1032    endif()
1033
1034    set(ZLIB_INSTALL_LIBRARIES zlib)
1035endif()
1036
1037foreach(ZLIB_INSTALL_LIBRARY ${ZLIB_INSTALL_LIBRARIES})
1038    target_include_directories(${ZLIB_INSTALL_LIBRARY} PUBLIC
1039        "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
1040        "$<INSTALL_INTERFACE:include>")
1041endforeach()
1042
1043if(WIN32)
1044    # Shared library
1045    if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
1046        set_target_properties(zlib PROPERTIES OUTPUT_NAME zlib${SUFFIX})
1047    endif()
1048    # Static library
1049    if(NOT DEFINED BUILD_SHARED_LIBS)
1050        if(MSVC)
1051            set_target_properties(zlibstatic PROPERTIES OUTPUT_NAME zlibstatic${SUFFIX})
1052        else()
1053            set_target_properties(zlibstatic PROPERTIES OUTPUT_NAME z${SUFFIX})
1054        endif()
1055    elseif(NOT BUILD_SHARED_LIBS)
1056        if(MSVC)
1057            set_target_properties(zlib PROPERTIES OUTPUT_NAME zlibstatic${SUFFIX})
1058        else()
1059            set_target_properties(zlib PROPERTIES OUTPUT_NAME z${SUFFIX})
1060        endif()
1061    endif()
1062else()
1063    # On unix-like platforms the library is almost always called libz
1064    set_target_properties(${ZLIB_INSTALL_LIBRARIES} PROPERTIES OUTPUT_NAME z${SUFFIX})
1065endif()
1066
1067if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
1068    set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
1069
1070    if(ZLIB_COMPAT)
1071        set(ZLIB_FULL_VERSION ${ZLIB_HEADER_VERSION}.zlib-ng)
1072        set_target_properties(zlib PROPERTIES SOVERSION 1)
1073    else()
1074        set(ZLIB_FULL_VERSION ${ZLIBNG_HEADER_VERSION})
1075        set_target_properties(zlib PROPERTIES SOVERSION 2)
1076    endif()
1077
1078    if(NOT CYGWIN)
1079        # This property causes shared libraries on Linux to have the full version
1080        # encoded into their final filename.  We disable this on Cygwin because
1081        # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
1082        # seems to be the default.
1083        #
1084        # This has no effect with MSVC, on that platform the version info for
1085        # the DLL comes from the resource file win32/zlib1.rc
1086        set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
1087    endif()
1088
1089    if(UNIX)
1090        if(HAVE_NO_INTERPOSITION)
1091            set_target_properties(zlib PROPERTIES COMPILE_FLAGS "-fno-semantic-interposition")
1092        endif()
1093        if(NOT APPLE)
1094            set_target_properties(zlib PROPERTIES LINK_FLAGS
1095                "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.map\"")
1096        else()
1097            # Match configure/make's behavior (i.e. don't use @rpath on mac).
1098            set_target_properties(zlib PROPERTIES INSTALL_NAME_DIR "${LIB_INSTALL_DIR}")
1099        endif()
1100    endif()
1101    if(MSYS OR CYGWIN)
1102        # Suppress version number from shared library name
1103        set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 0)
1104    elseif(WIN32)
1105        # Creates zlib1.dll when building shared library version
1106        if(ZLIB_COMPAT)
1107            set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
1108        else()
1109            set_target_properties(zlib PROPERTIES SUFFIX "2.dll")
1110        endif()
1111    endif()
1112endif()
1113
1114if(HAVE_UNISTD_H)
1115  SET(ZCONF_UNISTD_LINE "#if 1    /* was set to #if 1 by configure/cmake/etc */")
1116else()
1117  SET(ZCONF_UNISTD_LINE "#if 0    /* was set to #if 0 by configure/cmake/etc */")
1118endif()
1119if(NEED_PTRDIFF_T)
1120    SET(ZCONF_PTRDIFF_LINE "#if 1    /* was set to #if 1 by configure/cmake/etc */")
1121else()
1122    SET(ZCONF_PTRDIFF_LINE "#ifdef NEED_PTRDIFF_T    /* may be set to #if 1 by configure/cmake/etc */")
1123endif()
1124
1125set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.pc)
1126configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
1127    ${ZLIB_PC} @ONLY)
1128configure_file(${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h.cmakein
1129    ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h @ONLY)
1130configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib${SUFFIX}.h.in
1131    ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h @ONLY)
1132configure_file(${CMAKE_CURRENT_SOURCE_DIR}/gzread.c.in
1133    ${CMAKE_CURRENT_BINARY_DIR}/gzread.c @ONLY)
1134
1135
1136if (NOT ZLIB_SYMBOL_PREFIX STREQUAL "")
1137    add_feature_info(ZLIB_SYMBOL_PREFIX ON "Publicly exported symbols have a custom prefix")
1138    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib_name_mangling${SUFFIX}.h.in
1139        ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h @ONLY)
1140else()
1141    add_feature_info(ZLIB_SYMBOL_PREFIX OFF "Publicly exported symbols DO NOT have a custom prefix")
1142    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zlib_name_mangling.h.empty
1143        ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h COPYONLY)
1144endif()
1145# add_definitions(-DZLIB_SYMBOL_PREFIX=${ZLIB_SYMBOL_PREFIX}) # not needed
1146
1147
1148if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
1149    install(TARGETS ${ZLIB_INSTALL_LIBRARIES}
1150        RUNTIME DESTINATION "${BIN_INSTALL_DIR}"
1151        ARCHIVE DESTINATION "${LIB_INSTALL_DIR}"
1152        LIBRARY DESTINATION "${LIB_INSTALL_DIR}")
1153endif()
1154if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL)
1155    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zlib${SUFFIX}.h
1156        DESTINATION "${INC_INSTALL_DIR}" RENAME zlib${SUFFIX}.h)
1157    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zlib_name_mangling${SUFFIX}.h
1158        DESTINATION "${INC_INSTALL_DIR}" RENAME zlib_name_mangling${SUFFIX}.h)
1159    install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zconf${SUFFIX}.h
1160        DESTINATION "${INC_INSTALL_DIR}" RENAME zconf${SUFFIX}.h)
1161endif()
1162if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL)
1163    install(FILES ${ZLIB_PC} DESTINATION "${PKGCONFIG_INSTALL_DIR}")
1164endif()
1165
1166#============================================================================
1167# Example binaries
1168#============================================================================
1169
1170option(ZLIB_ENABLE_TESTS "Build test binaries" ON)
1171if(ZLIB_ENABLE_TESTS)
1172    enable_testing()
1173
1174    if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12)
1175        add_subdirectory(test)
1176        if(WITH_BENCHMARKS)
1177            add_subdirectory(test/benchmarks)
1178        endif()
1179    else()
1180        message(WARNING "Minimum cmake version of 3.12 not met for GoogleTest or benchmarks!")
1181    endif()
1182
1183    macro(configure_test_executable target)
1184        target_include_directories(${target} PUBLIC
1185            "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
1186            "$<INSTALL_INTERFACE:include>")
1187        if(NOT WITH_GZFILEOP)
1188            target_compile_definitions(${target} PUBLIC -DWITH_GZFILEOP)
1189            target_sources(${target} PRIVATE ${ZLIB_GZFILE_PRIVATE_HDRS} ${ZLIB_GZFILE_SRCS})
1190        endif()
1191        if(ZLIB_DUAL_LINK)
1192            find_package(ZLIB)
1193            if(ZLIB_FOUND)
1194                target_link_libraries(${target} ${ZLIB_LIBRARIES})
1195            endif()
1196        endif()
1197    endmacro()
1198
1199    macro(add_simple_test_executable target)
1200        add_executable(${target} test/${target}.c)
1201        configure_test_executable(${target})
1202        target_link_libraries(${target} zlib)
1203        add_test(NAME ${target} COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:${target}>)
1204    endmacro()
1205
1206    add_simple_test_executable(example)
1207
1208    set(MINIGZIP_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip>)
1209    add_executable(minigzip test/minigzip.c)
1210    configure_test_executable(minigzip)
1211    if(NOT DEFINED BUILD_SHARED_LIBS)
1212        target_link_libraries(minigzip zlibstatic)
1213    else()
1214        target_link_libraries(minigzip zlib)
1215    endif()
1216    if(BASEARCH_S360_FOUND)
1217        if(WITH_DFLTCC_DEFLATE OR WITH_DFLTCC_INFLATE)
1218            set_source_files_properties(test/minigzip.c PROPERTIES COMPILE_DEFINITIONS BUFLEN=262144)
1219        endif()
1220    endif()
1221
1222    set(MINIDEFLATE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minideflate>)
1223    add_executable(minideflate test/minideflate.c)
1224    configure_test_executable(minideflate)
1225    target_link_libraries(minideflate zlib)
1226
1227    if(INSTALL_UTILS)
1228        install(TARGETS minigzip minideflate
1229            RUNTIME DESTINATION "${BIN_INSTALL_DIR}"
1230            ARCHIVE DESTINATION "${LIB_INSTALL_DIR}"
1231            LIBRARY DESTINATION "${LIB_INSTALL_DIR}")
1232    endif()
1233
1234    set(SWITCHLEVELS_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:switchlevels>)
1235    add_executable(switchlevels test/switchlevels.c)
1236    configure_test_executable(switchlevels)
1237    target_link_libraries(switchlevels zlib)
1238
1239    add_simple_test_executable(infcover)
1240    if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
1241        target_sources(infcover PRIVATE inftrees.c)
1242    endif()
1243
1244    add_executable(makefixed tools/makefixed.c inftrees.c)
1245    target_include_directories(makefixed PUBLIC
1246        "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
1247        "$<INSTALL_INTERFACE:include>")
1248
1249    set(MAKEFIXED_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makefixed>)
1250    add_test(NAME makefixed
1251        COMMAND ${CMAKE_COMMAND}
1252        "-DCOMMAND=${MAKEFIXED_COMMAND}"
1253        -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/Testing/Temporary/inffixed_tbl._h
1254        -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/inffixed_tbl.h
1255        -DIGNORE_LINE_ENDINGS=ON
1256        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake)
1257
1258    add_executable(maketrees tools/maketrees.c trees.c zutil.c)
1259    target_include_directories(maketrees PUBLIC
1260        "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
1261        "$<INSTALL_INTERFACE:include>")
1262
1263    set(MAKETREES_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:maketrees>)
1264    add_test(NAME maketrees
1265        COMMAND ${CMAKE_COMMAND}
1266        "-DCOMMAND=${MAKETREES_COMMAND}"
1267        -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/Testing/Temporary/trees_tbl._h
1268        -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/trees_tbl.h
1269        -DIGNORE_LINE_ENDINGS=ON
1270        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake)
1271
1272    add_executable(makecrct tools/makecrct.c)
1273    target_include_directories(makecrct PUBLIC
1274        "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
1275        "$<INSTALL_INTERFACE:include>")
1276
1277    set(MAKECRCT_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:makecrct>)
1278    add_test(NAME makecrct
1279        COMMAND ${CMAKE_COMMAND}
1280        "-DCOMMAND=${MAKECRCT_COMMAND}"
1281        -DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/Testing/Temporary/crc32_braid_tbl._h
1282        -DCOMPARE=${CMAKE_CURRENT_SOURCE_DIR}/crc32_braid_tbl.h
1283        -DIGNORE_LINE_ENDINGS=ON
1284        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-compare.cmake)
1285
1286    if(WITH_FUZZERS)
1287        add_subdirectory(test/fuzz)
1288    endif()
1289
1290    macro(test_minigzip name path)
1291        # Construct compression arguments for minigzip
1292        set(compress_args -k -c)
1293        foreach(extra_arg IN ITEMS "${ARGN}")
1294            list(APPEND compress_args ${extra_arg})
1295        endforeach()
1296
1297        # Create unique friendly string for test
1298        string(REPLACE ";" "" arg_list "${ARGN}")
1299        string(REPLACE " " "" arg_list "${arg_list}")
1300        string(REPLACE "-" "" arg_list "${arg_list}")
1301
1302        set(test_id minigzip-${name}-${arg_list})
1303
1304        if(NOT TEST ${test_id})
1305            add_test(NAME ${test_id}
1306                COMMAND ${CMAKE_COMMAND}
1307                "-DTARGET=${MINIGZIP_COMMAND}"
1308                "-DCOMPRESS_ARGS=${compress_args}"
1309                "-DDECOMPRESS_ARGS=-d;-c"
1310                -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/${path}
1311                -DTEST_NAME=${test_id}
1312                -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1313        endif()
1314    endmacro()
1315
1316    set(TEST_CONFIGS
1317        -R      # Z_RLE
1318        -h      # Z_HUFFMAN_ONLY
1319        -T      # Direct store
1320        -0      # No compression
1321        -1      # Deflate quick
1322        -4      # Deflate medium (lazy matches)
1323        "-5;-F" # Deflate medium (Z_FIXED)
1324        -6      # Deflate medium
1325        -9      # Deflate slow
1326        "-9;-f" # Deflate slow (Z_FILTERED)
1327    )
1328
1329    file(GLOB_RECURSE TEST_FILE_PATHS
1330        LIST_DIRECTORIES false
1331        RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
1332        ${CMAKE_CURRENT_SOURCE_DIR}/test/data/*)
1333
1334    foreach(TEST_FILE_PATH ${TEST_FILE_PATHS})
1335        if("${TEST_FILE_PATH}" MATCHES ".gz$" OR "${TEST_FILE_PATH}" MATCHES ".out$" OR
1336           "${TEST_FILE_PATH}" MATCHES "/.git/" OR "${TEST_FILE_PATH}" MATCHES ".md$")
1337            continue()
1338        endif()
1339        foreach(TEST_CONFIG ${TEST_CONFIGS})
1340            get_filename_component(TEST_NAME ${TEST_FILE_PATH} NAME)
1341            if (TEST_NAME STREQUAL "")
1342                continue()
1343            endif()
1344            test_minigzip(${TEST_NAME} ${TEST_FILE_PATH} ${TEST_CONFIG})
1345        endforeach()
1346    endforeach()
1347
1348    test_minigzip("detect-text" "test/data/lcet10.txt" -A)
1349    test_minigzip("detect-binary" "test/data/paper-100k.pdf" -A)
1350
1351    set(CVES CVE-2002-0059 CVE-2004-0797 CVE-2005-1849 CVE-2005-2096)
1352    foreach(CVE ${CVES})
1353        set(CVE_COMMAND ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:minigzip> -d)
1354        add_test(NAME ${CVE}
1355            COMMAND ${CMAKE_COMMAND}
1356            "-DCOMMAND=${CVE_COMMAND}"
1357            -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/${CVE}/test.gz
1358            "-DSUCCESS_EXIT=0;1"
1359            -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/run-and-redirect.cmake)
1360    endforeach()
1361
1362    set(TEST_LEVELS 6 1 2)
1363    foreach(TEST_LEVEL ${TEST_LEVELS})
1364        add_test(NAME CVE-2018-25032-fixed-level-${TEST_LEVEL}
1365            COMMAND ${CMAKE_COMMAND}
1366            "-DTARGET=${MINIDEFLATE_COMMAND}"
1367            "-DCOMPRESS_ARGS=-c;-k;-m;1;-w;-15;-s;4;-F;-${TEST_LEVEL}"
1368            "-DDECOMPRESS_ARGS=-c;-k;-d;-m;1;-w;-15;-${TEST_LEVEL}"
1369            -DGZIP_VERIFY=OFF
1370            -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/CVE-2018-25032/fixed.txt
1371            -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1372
1373        add_test(NAME CVE-2018-25032-default-level-${TEST_LEVEL}
1374            COMMAND ${CMAKE_COMMAND}
1375            "-DTARGET=${MINIDEFLATE_COMMAND}"
1376            "-DCOMPRESS_ARGS=-c;-k;-m;1;-w;-15;-s;4;-${TEST_LEVEL}"
1377            "-DDECOMPRESS_ARGS=-c;-k;-d;-m;1;-w;-15;-${TEST_LEVEL}"
1378            -DGZIP_VERIFY=OFF
1379            -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/CVE-2018-25032/default.txt
1380            -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1381    endforeach()
1382
1383    # Run tests targeting tools
1384    include(cmake/test-tools.cmake)
1385
1386    add_test(NAME GH-361
1387        COMMAND ${CMAKE_COMMAND}
1388        "-DTARGET=${MINIGZIP_COMMAND}"
1389        "-DCOMPRESS_ARGS=-c;-k;-4"
1390        -DTEST_NAME=GH-361-test-txt
1391        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-361/test.txt
1392        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1393
1394    add_test(NAME GH-364
1395        COMMAND ${CMAKE_COMMAND}
1396        "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}"
1397        "-DCOMPRESS_ARGS=1;5;9;3"
1398        "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}"
1399        -DTEST_NAME=GH-364-test-bin
1400        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-364/test.bin
1401        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1402
1403    add_test(NAME GH-382
1404        COMMAND ${CMAKE_COMMAND}
1405        "-DTARGET=${MINIDEFLATE_COMMAND}"
1406        "-DCOMPRESS_ARGS=-c;-m;1;-w;-15;-1;-s;4"
1407        "-DDECOMPRESS_ARGS=-c;-d;-m;1;-w;-15"
1408        -DGZIP_VERIFY=OFF
1409        -DTEST_NAME=GH-382-defneg3-dat
1410        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-382/defneg3.dat
1411        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1412
1413    add_test(NAME GH-536-segfault
1414        COMMAND ${CMAKE_COMMAND}
1415        "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}"
1416        "-DCOMPRESS_ARGS=6;9744;1;91207"
1417        "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}"
1418        -DCOMPARE=OFF
1419        -DGZIP_VERIFY=OFF
1420        -DTEST_NAME=GH-536-segfault-lcet10-txt
1421        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt
1422        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1423
1424    add_test(NAME GH-536-incomplete-read
1425        COMMAND ${CMAKE_COMMAND}
1426        "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}"
1427        "-DCOMPRESS_ARGS=6;88933;1;195840;2;45761"
1428        "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}"
1429        -DCOMPARE=OFF
1430        -DGZIP_VERIFY=OFF
1431        -DTEST_NAME=GH-536-incomplete-read-lcet10-txt
1432        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt
1433        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1434
1435    add_test(NAME GH-536-zero-stored-block
1436        COMMAND ${CMAKE_COMMAND}
1437        "-DCOMPRESS_TARGET=${SWITCHLEVELS_COMMAND}"
1438        "-DCOMPRESS_ARGS=6;15248;1;1050;2;25217"
1439        "-DDECOMPRESS_TARGET=${MINIGZIP_COMMAND}"
1440        -DCOMPARE=OFF
1441        -DGZIP_VERIFY=OFF
1442        -DTEST_NAME=GH-536-zero-stored-block-lcet10-txt
1443        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/data/lcet10.txt
1444        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1445
1446    add_test(NAME GH-751
1447        COMMAND ${CMAKE_COMMAND}
1448        "-DTARGET=${MINIGZIP_COMMAND}"
1449        -DTEST_NAME=GH-751-test-txt
1450        -DINPUT=${CMAKE_CURRENT_SOURCE_DIR}/test/GH-751/test.txt
1451        -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-compress.cmake)
1452endif()
1453
1454add_feature_info(WITH_GZFILEOP WITH_GZFILEOP "Compile with support for gzFile related functions")
1455add_feature_info(ZLIB_COMPAT ZLIB_COMPAT "Compile with zlib compatible API")
1456add_feature_info(ZLIB_ENABLE_TESTS ZLIB_ENABLE_TESTS "Build test binaries")
1457add_feature_info(ZLIB_DUAL_LINK ZLIB_DUAL_LINK "Dual link tests against system zlib")
1458add_feature_info(WITH_SANITIZER WITH_SANITIZER "Enable sanitizer support")
1459add_feature_info(WITH_FUZZERS WITH_FUZZERS "Build test/fuzz")
1460add_feature_info(WITH_BENCHMARKS WITH_BENCHMARKS "Build test/benchmarks")
1461add_feature_info(WITH_BENCHMARK_APPS WITH_BENCHMARK_APPS "Build application benchmarks")
1462add_feature_info(WITH_OPTIM WITH_OPTIM "Build with optimisation")
1463add_feature_info(WITH_NEW_STRATEGIES WITH_NEW_STRATEGIES "Use new strategies")
1464add_feature_info(WITH_NATIVE_INSTRUCTIONS WITH_NATIVE_INSTRUCTIONS
1465    "Instruct the compiler to use the full instruction set on this host (gcc/clang -march=native)")
1466add_feature_info(WITH_MAINTAINER_WARNINGS WITH_MAINTAINER_WARNINGS "Build with project maintainer warnings")
1467add_feature_info(WITH_CODE_COVERAGE WITH_CODE_COVERAGE "Enable code coverage reporting")
1468add_feature_info(WITH_INFLATE_STRICT WITH_INFLATE_STRICT "Build with strict inflate distance checking")
1469add_feature_info(WITH_INFLATE_ALLOW_INVALID_DIST WITH_INFLATE_ALLOW_INVALID_DIST "Build with zero fill for inflate invalid distances")
1470
1471if(BASEARCH_ARM_FOUND)
1472    add_feature_info(WITH_ACLE WITH_ACLE "Build with ACLE")
1473    add_feature_info(WITH_NEON WITH_NEON "Build with NEON intrinsics")
1474elseif(BASEARCH_PPC_FOUND)
1475    add_feature_info(WITH_ALTIVEC WITH_ALTIVEC "Build with AltiVec optimisations")
1476    add_feature_info(WITH_POWER8 WITH_POWER8 "Build with optimisations for POWER8")
1477    add_feature_info(WITH_POWER9 WITH_POWER9 "Build with optimisations for POWER9")
1478elseif(BASEARCH_S360_FOUND)
1479    add_feature_info(WITH_DFLTCC_DEFLATE WITH_DFLTCC_DEFLATE "Build with DFLTCC intrinsics for compression on IBM Z")
1480    add_feature_info(WITH_DFLTCC_INFLATE WITH_DFLTCC_INFLATE "Build with DFLTCC intrinsics for decompression on IBM Z")
1481    add_feature_info(WITH_CRC32_VX WITH_CRC32_VX "Build with vectorized CRC32 on IBM Z")
1482elseif(BASEARCH_X86_FOUND)
1483    add_feature_info(WITH_AVX2 WITH_AVX2 "Build with AVX2")
1484    add_feature_info(WITH_AVX512 WITH_AVX512 "Build with AVX512")
1485    add_feature_info(WITH_AVX512VNNI WITH_AVX512VNNI "Build with AVX512 VNNI")
1486    add_feature_info(WITH_SSE2 WITH_SSE2 "Build with SSE2")
1487    add_feature_info(WITH_SSSE3 WITH_SSSE3 "Build with SSSE3")
1488    add_feature_info(WITH_SSE41 WITH_SSE41 "Build with SSE41")
1489    add_feature_info(WITH_SSE42 WITH_SSE42 "Build with SSE42")
1490    add_feature_info(WITH_PCLMULQDQ WITH_PCLMULQDQ "Build with PCLMULQDQ")
1491    add_feature_info(WITH_VPCLMULQDQ WITH_VPCLMULQDQ "Build with VPCLMULQDQ")
1492endif()
1493
1494add_feature_info(INSTALL_UTILS INSTALL_UTILS "Copy minigzip and minideflate during install")
1495
1496FEATURE_SUMMARY(WHAT ALL INCLUDE_QUIET_PACKAGES)
1497