A massively spiffy yet delicately unobtrusive compression library. (grpc依赖)
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cmake_minimum_required(VERSION 3.10)
project(zlib
LANGUAGES C
VERSION 1.3.1.1
HOMEPAGE_URL "https://zlib.net/"
DESCRIPTION "a general-purpose lossless data-compression library")
#============================================================================
# CPack
#============================================================================
set(CPACK_PACKAGE_VENDOR "zlib-Project")
set(CPACK_PACKAGE_DESCRIPTION_FILE ${zlib_SOURCE_DIR}/README)
set(CPACK_RESOURCE_FILE_LICENSE ${zlib_SOURCE_DIR}/LICENSE)
set(CPACK_RESOURCE_FILE_README ${zlib_SOURCE_DIR}/README)
#============================================================================
# configuration
#============================================================================
option(ZLIB_BUILD_TESTING "Enable Zlib Examples as tests" ON)
option(ZLIB_BUILD_SHARED "Enable building zlib shared library" ON)
option(ZLIB_BUILD_STATIC "Enable building zlib static library" ON)
option(ZLIB_BUILD_MINIZIP "Enable building libminizip contrib library" OFF)
option(ZLIB_INSTALL_LIBRARIES "Enable installation of zlib" ON)
option(ZLIB_PREFIX
"prefix for all types and library functions, see zconf.h.in"
OFF)
mark_as_advanced(ZLIB_PREFIX)
if(WIN32)
option(ZLIB_INSTALL_COMPAT_DLL "Install a copy as zlib1.dll" ON)
endif(WIN32)
get_property(IS_MULTI GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI)
message(STATUS "No CMAKE_BUILD_TYPE set -- using Release")
set(CMAKE_BUILD_TYPE Release)
endif(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI)
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)
include(CMakePackageConfigHelpers)
include(CPack)
include(GNUInstallDirs)
if(NOT ZLIB_CONF_WRITTEN)
set(Z_PREFIX ${ZLIB_PREFIX})
set(CONF_OUT_FILE ${zlib_BINARY_DIR}/zconf.h.cmakein)
file(READ ${zlib_SOURCE_DIR}/zconf.h.in ZCONF_CONTENT LIMIT 245)
file(WRITE ${CONF_OUT_FILE} ${ZCONF_CONTENT})
file(APPEND ${CONF_OUT_FILE} "#cmakedefine Z_PREFIX 1\n")
file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_STDARG_H 1\n")
file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_UNISTD_H 1\n")
file(READ ${zlib_SOURCE_DIR}/zconf.h.in ZCONF_CONTENT OFFSET 244)
set(FIRST_ITEM TRUE)
foreach(item IN LISTS ZCONF_CONTENT)
if(FIRST_ITEM)
string(APPEND OUT_CONTENT ${item})
set(FIRST_ITEM FALSE)
else(FIRST_ITEM)
string(APPEND OUT_CONTENT "\;" ${item})
endif(FIRST_ITEM)
endforeach(item IN LISTS ${ZCONF_CONTENT})
file(APPEND ${CONF_OUT_FILE} ${OUT_CONTENT})
set(ZLIB_CONF_WRITTEN TRUE CACHE BOOL "zconf.h.cmakein was created")
mark_as_advanced(ZLIB_CONF_WRITTEN)
endif(NOT ZLIB_CONF_WRITTEN)
#
# Check to see if we have large file support
#
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
check_type_size(off64_t OFF64_T)
unset(CMAKE_REQUIRED_DEFINITIONS) # clear variable
#
# Check for fseeko
#
check_function_exists(fseeko HAVE_FSEEKO)
#
# Check for stdarg.h
#
check_include_file(stdarg.h HAVE_STDARG_H)
#
# Check for unistd.h
#
check_include_file(unistd.h HAVE_UNISTD_H)
#
# Check visibility attribute is supported
#
if(MSVC)
set(CMAKE_REQUIRED_FLAGS "-WX")
else(MSVC)
set(CMAKE_REQUIRED_FLAGS "-WError")
endif(MSVC)
check_c_source_compiles(
"
#include <stdlib.h>
static void f(void) __attribute__ ((visibility(\"hidden\")));
int main(void) {return 0;}
"
HAVE___ATTR__VIS_HIDDEN)
unset(CMAKE_COMPILE_FLAGS)
set(ZLIB_PC ${zlib_BINARY_DIR}/zlib.pc)
configure_file(${zlib_SOURCE_DIR}/zlib.pc.cmakein
${ZLIB_PC} @ONLY)
configure_file(${zlib_BINARY_DIR}/zconf.h.cmakein
${zlib_BINARY_DIR}/zconf.h)
include_directories(${zlib_BINARY_DIR} ${zlib_SOURCE_DIR})
#============================================================================
# zlib
#============================================================================
set(ZLIB_PUBLIC_HDRS
${zlib_BINARY_DIR}/zconf.h
zlib.h)
set(ZLIB_PRIVATE_HDRS
crc32.h
deflate.h
gzguts.h
inffast.h
inffixed.h
inflate.h
inftrees.h
trees.h
zutil.h)
set(ZLIB_SRCS
adler32.c
compress.c
crc32.c
deflate.c
gzclose.c
gzlib.c
gzread.c
gzwrite.c
inflate.c
infback.c
inftrees.c
inffast.c
trees.c
uncompr.c
zutil.c)
set_source_files_properties(win32/zlib1.rc PROPERTIES
COMPILE_FLAGS $<$<STREQUAL:${CMAKE_RC_OUTPUT_EXTENSION},.obj>:-DGCC_WINDRES>)
if(WIN32)
set(zlib_static_suffix "s")
set(CMAKE_DEBUG_POSTFIX "d")
endif(WIN32)
if(ZLIB_BUILD_SHARED)
add_library(zlib SHARED
${ZLIB_SRCS}
${ZLIB_DLL_SRCS}
${ZLIB_PUBLIC_HDRS}
${ZLIB_PRIVATE_HDRS}
$<$<OR:$<BOOL:${WIN32}>,$<BOOL:${CYGWIN}>>:win32/zlib1.rc>)
add_library(ZLIB::ZLIB ALIAS zlib)
target_include_directories(zlib PUBLIC
$<BUILD_INTERFACE:${zlib_BINARY_DIR}>
$<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_definitions(zlib
PRIVATE
$<$<BOOL:NOT:${HAVE_FSEEKO}>:NO_FSEEKO>
$<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>
$<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE>
$<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE>
PUBLIC
$<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>)
set(INSTALL_VERSION ${zlib_VERSION})
if(NOT CYGWIN)
set_target_properties(zlib PROPERTIES
SOVERSION ${zlib_VERSION_MAJOR}
VERSION ${INSTALL_VERSION})
endif(NOT CYGWIN)
set_target_properties(zlib PROPERTIES
DEFINE_SYMBOL ZLIB_DLL
EXPORT_NAME ZLIB
OUTPUT_NAME z)
if(UNIX AND NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX))
# On unix-like platforms the library is almost always called libz
set_target_properties(zlib PROPERTIES
LINK_FLAGS "-Wl,--version-script,\"${zlib_SOURCE_DIR}/zlib.map\"")
endif(UNIX AND NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX))
endif(ZLIB_BUILD_SHARED)
if(ZLIB_BUILD_STATIC)
add_library(zlibstatic STATIC
${ZLIB_SRCS}
${ZLIB_PUBLIC_HDRS}
${ZLIB_PRIVATE_HDRS})
add_library(ZLIB::ZLIBSTATIC ALIAS zlibstatic)
target_include_directories(zlibstatic PUBLIC
$<BUILD_INTERFACE:${zlib_BINARY_DIR}>
$<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
target_compile_definitions(zlibstatic
PRIVATE
$<$<BOOL:NOT:${HAVE_FSEEKO}>:NO_FSEEKO>
$<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>
$<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE>
$<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE>
PUBLIC
$<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>)
set_target_properties(zlibstatic PROPERTIES
EXPORT_NAME ZLIBSTATIC
OUTPUT_NAME z${zlib_static_suffix})
endif(ZLIB_BUILD_STATIC)
if(ZLIB_INSTALL_LIBRARIES)
if(ZLIB_BUILD_SHARED)
install(TARGETS zlib
COMPONENT Runtime
EXPORT zlibExport
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")
if(ZLIB_INSTALL_COMPAT_DLL)
install(FILES $<TARGET_FILE:zlib>
COMPONENT Runtime
RENAME zlib1.dll
DESTINATION "${CMAKE_INSTALL_BINDIR}")
endif(ZLIB_INSTALL_COMPAT_DLL)
if(MSVC)
install(FILES $<TARGET_PDB_FILE:zlib>
COMPONENT Runtime
DESTINATION ${CMAKE_INSTALL_BINDIR}
CONFIGURATIONS Debug OR RelWithDebInfo
OPTIONAL
)
endif(MSVC)
endif(ZLIB_BUILD_SHARED)
if(ZLIB_BUILD_STATIC)
install(TARGETS zlibstatic
COMPONENT Development
EXPORT zlibExport
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")
if(ZLIB_INSTALL_COMPAT_DLL AND MINGW)
install(FILES $<TARGET_FILE:zlibstatic>
COMPONENT Development
RENAME libz.dll.a
DESTINATION "${CMAKE_INSTALL_LIBDIR}")
endif(ZLIB_INSTALL_COMPAT_DLL AND MINGW)
endif(ZLIB_BUILD_STATIC)
configure_package_config_file(${zlib_SOURCE_DIR}/zlibConfig.cmake.in
${zlib_BINARY_DIR}/ZLIBConfig.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib
NO_CHECK_REQUIRED_COMPONENTS_MACRO)
write_basic_package_version_file(
"${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake"
VERSION "${zlib_VERSION}"
COMPATIBILITY AnyNewerVersion)
install(FILES
${zlib_BINARY_DIR}/ZLIBConfig.cmake
${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib)
install(EXPORT zlibExport
FILE ZLIB.cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib
NAMESPACE ZLIB::)
install(FILES ${ZLIB_PUBLIC_HDRS}
COMPONENT Development
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(FILES zlib.3
COMPONENT Docs
DESTINATION "${CMAKE_INSTALL_MANDIR}/man3")
install(FILES
LICENSE
doc/algorithm.txt
doc/crc-doc.1.0.pdf
doc/rfc1950.txt
doc/rfc1951.txt
doc/rfc1952.txt
doc/txtvsbin.txt
COMPONENT Docs
DESTINATION "${CMAKE_INSTALL_DOCDIR}/zlib")
install(FILES ${ZLIB_PC}
COMPONENT Development
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endif(ZLIB_INSTALL_LIBRARIES)
#============================================================================
# Tests
#============================================================================
if(ZLIB_BUILD_TESTING)
enable_testing()
add_subdirectory(test)
endif(ZLIB_BUILD_TESTING)
if(ZLIB_BUILD_MINIZIP)
add_subdirectory(contrib/minizip/)
endif(ZLIB_BUILD_MINIZIP)