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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15ceebe..03825a2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,23 +1,21 @@
-cmake_minimum_required(VERSION 2.4.4...3.15.0)
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
+cmake_minimum_required(VERSION 3.15)
-project(zlib C)
-
-set(VERSION "1.3.1")
+project(zlib VERSION 1.3.1 LANGUAGES C)
option(ZLIB_BUILD_EXAMPLES "Enable Zlib Examples" ON)
-set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
-set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
-set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
-set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
-set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
+include(GNUInstallDirs)
+set(INSTALL_BIN_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH "Installation directory for executables")
+set(INSTALL_LIB_DIR "${CMAKE_INSTALL_LIBDIR}" CACHE PATH "Installation directory for libraries")
+set(INSTALL_INC_DIR "${CMAKE_INSTALL_INCLUDEDIR}" CACHE PATH "Installation directory for headers")
+set(INSTALL_MAN_DIR "${CMAKE_INSTALL_MANDIR}" CACHE PATH "Installation directory for manual pages")
+set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_DATADIR}/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCSourceCompiles)
-enable_testing()
+include(CTest)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
@@ -149,12 +147,21 @@ if(MINGW)
set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
endif(MINGW)
-add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
-target_include_directories(zlib PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
-add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
-target_include_directories(zlibstatic PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
-set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
-set_target_properties(zlib PROPERTIES SOVERSION 1)
+if(BUILD_SHARED_LIBS)
+ add_library(ZLIB SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+ set_target_properties(ZLIB PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
+ set_target_properties(ZLIB PROPERTIES SOVERSION 1)
+else()
+ add_library(ZLIB STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+endif()
+
+target_include_directories(ZLIB PUBLIC
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+ $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+ $<INSTALL_INTERFACE:include>)
+
+add_library(ZLIB::ZLIB ALIAS ZLIB)
+
if(NOT CYGWIN)
# This property causes shared libraries on Linux to have the full version
@@ -164,26 +171,49 @@ if(NOT CYGWIN)
#
# This has no effect with MSVC, on that platform the version info for
# the DLL comes from the resource file win32/zlib1.rc
- set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
+ set_target_properties(ZLIB PROPERTIES VERSION ${ZLIB_FULL_VERSION})
endif()
if(UNIX)
# On unix-like platforms the library is almost always called libz
- set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
- if(NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX))
- set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
+ set_target_properties(ZLIB PROPERTIES OUTPUT_NAME z)
+ if(NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX) AND BUILD_SHARED_LIBS)
+ set_target_properties(ZLIB PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
endif()
elseif(BUILD_SHARED_LIBS AND WIN32)
# Creates zlib1.dll when building shared library version
- set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
+ set_target_properties(ZLIB PROPERTIES SUFFIX "1.dll")
+endif()
+
+if(NOT UNIX)
+ if(BUILD_SHARED_LIBS)
+ set_target_properties(ZLIB PROPERTIES OUTPUT_NAME zlib)
+ else()
+ set_target_properties(ZLIB PROPERTIES OUTPUT_NAME zlibstatic)
+ endif()
endif()
-if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
- install(TARGETS zlib zlibstatic
- RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
- ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
- LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
+if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL)
+ install(TARGETS ZLIB
+ EXPORT ZLIBTargets
+ RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
+ ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
+ LIBRARY DESTINATION "${INSTALL_LIB_DIR}")
+ install(EXPORT ZLIBTargets
+ NAMESPACE ZLIB::
+ DESTINATION lib/cmake/ZLIB)
+ include(CMakePackageConfigHelpers)
+ write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/ZLIBConfigVersion.cmake"
+ VERSION ${PROJECT_VERSION}
+ COMPATIBILITY SameMajorVersion)
+ file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/ZLIBConfig.cmake"
+ "include(\"\${CMAKE_CURRENT_LIST_DIR}/ZLIBTargets.cmake\")"
+ )
+ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/ZLIBConfig.cmake"
+ "${CMAKE_CURRENT_BINARY_DIR}/ZLIBConfigVersion.cmake"
+ DESTINATION lib/cmake/ZLIB)
endif()
+
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
endif()
@@ -199,20 +229,20 @@ endif()
#============================================================================
if(ZLIB_BUILD_EXAMPLES)
add_executable(example test/example.c)
- target_link_libraries(example zlib)
+ target_link_libraries(example ZLIB)
add_test(example example)
add_executable(minigzip test/minigzip.c)
- target_link_libraries(minigzip zlib)
+ target_link_libraries(minigzip ZLIB)
if(HAVE_OFF64_T)
add_executable(example64 test/example.c)
- target_link_libraries(example64 zlib)
+ target_link_libraries(example64 ZLIB)
set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
add_test(example64 example64)
add_executable(minigzip64 test/minigzip.c)
- target_link_libraries(minigzip64 zlib)
+ target_link_libraries(minigzip64 ZLIB)
set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
endif()
endif()
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