cJSON/CMakeLists.txt
Stephan Gatzka 29b6643bab Warn about missing prototypes.
This switch warns about missing prototypes. It does not warn if
functions are declared static. So this switch encourages the usage of
static whenever possible. This enables the compiler to perform inlining.
2016-11-27 18:22:12 +01:00

111 lines
3.9 KiB
CMake

set(CMAKE_LEGACY_CYGWIN_WIN32 0)
cmake_minimum_required(VERSION 2.8)
include(GNUInstallDirs)
project(cJSON C)
set(PROJECT_VERSION_MAJOR 1)
set(PROJECT_VERSION_MINOR 0)
set(PROJECT_VERSION_PATCH 2)
set(CJSON_VERSION_SO 1)
set(CJSON_UTILS_VERSION_SO 1)
set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}")
option(ENABLE_CUSTOM_COMPILER_FLAGS "Enables custom compiler flags for Clang and GCC" ON)
if (ENABLE_CUSTOM_COMPILER_FLAGS)
if(("${CMAKE_C_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_C_COMPILER_ID}" MATCHES "Clang"))
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c89 -pedantic -Wall -Wextra -Werror -Wstrict-prototypes -Wwrite-strings -Wshadow -Winit-self -Wcast-align -Wformat=2 -Wmissing-prototypes")
endif()
endif()
#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)
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()