cJSON/CMakeLists.txt

163 lines
5.0 KiB
CMake

set(CMAKE_LEGACY_CYGWIN_WIN32 0)
cmake_minimum_required(VERSION 2.8)
subdirs(tests fuzzing)
include(GNUInstallDirs)
project(cJSON C)
set(PROJECT_VERSION_MAJOR 1)
set(PROJECT_VERSION_MINOR 3)
set(PROJECT_VERSION_PATCH 0)
set(CJSON_VERSION_SO 1)
set(CJSON_UTILS_VERSION_SO 1)
set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
set(custom_compiler_flags)
include(CheckCCompilerFlag)
option(ENABLE_CUSTOM_COMPILER_FLAGS "Enables custom compiler flags for Clang and GCC" ON)
if (ENABLE_CUSTOM_COMPILER_FLAGS)
list(APPEND custom_compiler_flags
-std=c89
-pedantic
-Wall
-Wextra
-Werror
-Wstrict-prototypes
-Wwrite-strings
-Wshadow
-Winit-self
-Wcast-align
-Wformat=2
-Wmissing-prototypes
-Wstrict-overflow=2
-Wcast-qual
-Wundef
-Wswitch-default
-Wconversion
-Wc++-compat
-fstack-protector-strong
)
endif()
option(ENABLE_SANITIZERS "Enables AddressSanitizer and UndefinedBehaviorSanitizer." OFF)
if (ENABLE_SANITIZERS)
list(APPEND custom_compiler_flags
-fno-omit-frame-pointer
-fsanitize=address
-fsanitize=undefined
-fsanitize=float-divide-by-zero
-fsanitize=float-cast-overflow
-fsanitize-address-use-after-scope
-fsanitize=integer
-01
-fno-sanitize-recover
)
endif()
# apply custom compiler flags
foreach(compiler_flag ${custom_compiler_flags})
#remove problematic characters
string(REGEX REPLACE "[^a-zA-Z0-9]" "" current_variable ${compiler_flag})
CHECK_C_COMPILER_FLAG(${compiler_flag} "FLAG_SUPPORTED_${current_variable}")
if (FLAG_SUPPORTED_${current_variable})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${compiler_flag}")
endif()
endforeach()
#variables for pkg-config
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(libdir "${CMAKE_INSTALL_LIBDIR}")
set(version "${PROJECT_VERSION}")
set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
option(BUILD_SHARED_LIBS "Build shared libraries" ON)
option(ENABLE_TARGET_EXPORT "Enable exporting of CMake targets. Disable when it causes problems!" ON)
#cJSON
set(CJSON_LIB cjson)
file(GLOB HEADERS cJSON.h)
set(SOURCES cJSON.c)
add_library("${CJSON_LIB}" "${HEADERS}" "${SOURCES}")
if (NOT WIN32)
target_link_libraries("${CJSON_LIB}" m)
endif()
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/libcjson.pc.in"
"${CMAKE_CURRENT_BINARY_DIR}/libcjson.pc" @ONLY)
install(FILES cJSON.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/cjson")
install (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcjson.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
install(TARGETS "${CJSON_LIB}" DESTINATION "${CMAKE_INSTALL_LIBDIR}" EXPORT "${CJSON_LIB}")
if(ENABLE_TARGET_EXPORT)
# export library information for CMake projects
install(EXPORT "${CJSON_LIB}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/cJSON")
endif()
set_target_properties("${CJSON_LIB}"
PROPERTIES
SOVERSION "${CJSON_VERSION_SO}"
VERSION "${PROJECT_VERSION}")
#cJSON_Utils
option(ENABLE_CJSON_UTILS "Enable building the cJSON_Utils library." OFF)
if(ENABLE_CJSON_UTILS)
set(CJSON_UTILS_LIB cjson_utils)
file(GLOB HEADERS_UTILS cJSON_Utils.h)
set(SOURCES_UTILS cJSON_Utils.c)
add_library("${CJSON_UTILS_LIB}" "${HEADERS_UTILS}" "${SOURCES_UTILS}")
target_link_libraries("${CJSON_UTILS_LIB}" "${CJSON_LIB}")
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/libcjson_utils.pc.in"
"${CMAKE_CURRENT_BINARY_DIR}/libcjson_utils.pc" @ONLY)
install(TARGETS "${CJSON_UTILS_LIB}" DESTINATION "${CMAKE_INSTALL_LIBDIR}" EXPORT "${CJSON_UTILS_LIB}")
install(FILES cJSON_Utils.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/cjson")
install (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcjson_utils.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
if(ENABLE_TARGET_EXPORT)
# export library information for CMake projects
install(EXPORT "${CJSON_UTILS_LIB}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/cJSON")
endif()
set_target_properties("${CJSON_UTILS_LIB}"
PROPERTIES
SOVERSION "${CJSON_UTILS_VERSION_SO}"
VERSION "${PROJECT_VERSION}")
endif()
# create the other package config files
configure_file(
cJSONConfig.cmake.in
${PROJECT_BINARY_DIR}/cJSONConfig.cmake @ONLY)
configure_file(
cJSONConfigVersion.cmake.in
${PROJECT_BINARY_DIR}/cJSONConfigVersion.cmake @ONLY)
# Install package config files
install(FILES ${PROJECT_BINARY_DIR}/cJSONConfig.cmake
${PROJECT_BINARY_DIR}/cJSONConfigVersion.cmake
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/cJSON")
option(ENABLE_CJSON_TEST "Enable building cJSON test" ON)
if(ENABLE_CJSON_TEST)
enable_testing()
set(TEST_CJSON cJSON_test)
add_executable("${TEST_CJSON}" test.c)
target_link_libraries("${TEST_CJSON}" "${CJSON_LIB}")
if(ENABLE_CJSON_UTILS)
set(TEST_CJSON_UTILS cJSON_test_utils)
add_executable("${TEST_CJSON_UTILS}" test_utils.c)
target_link_libraries("${TEST_CJSON_UTILS}" "${CJSON_UTILS_LIB}")
endif()
endif()