diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 285 |
1 files changed, 180 insertions, 105 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 2def6ca..51b74fc 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,117 +1,192 @@ -CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5) -PROJECT(jsoncpp) -ENABLE_TESTING() - -OPTION(JSONCPP_WITH_TESTS "Compile and run JsonCpp test executables" ON) -OPTION(JSONCPP_WITH_POST_BUILD_UNITTEST "Automatically run unit-tests as a post build step" ON) -OPTION(JSONCPP_WITH_WARNING_AS_ERROR "Force compilation to fail if a warning occurs" OFF) -OPTION(JSONCPP_WITH_PKGCONFIG_SUPPORT "Generate and install .pc files" ON) -OPTION(JSONCPP_WITH_CMAKE_PACKAGE "Generate and install cmake package files" OFF) - -# Ensures that CMAKE_BUILD_TYPE is visible in cmake-gui on Unix -IF(NOT WIN32) - IF(NOT CMAKE_BUILD_TYPE) - SET(CMAKE_BUILD_TYPE Release CACHE STRING - "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Coverage." - FORCE) - ENDIF(NOT CMAKE_BUILD_TYPE) -ENDIF(NOT WIN32) - -SET(RUNTIME_INSTALL_DIR bin - CACHE PATH "Install dir for executables and dlls") -SET(ARCHIVE_INSTALL_DIR lib - CACHE PATH "Install dir for static libraries") -SET(LIBRARY_INSTALL_DIR lib - CACHE PATH "Install dir for shared libraries") -SET(INCLUDE_INSTALL_DIR include - CACHE PATH "Install dir for headers") -SET(PACKAGE_INSTALL_DIR lib/cmake - CACHE PATH "Install dir for cmake package config files") -MARK_AS_ADVANCED( RUNTIME_INSTALL_DIR ARCHIVE_INSTALL_DIR INCLUDE_INSTALL_DIR PACKAGE_INSTALL_DIR ) - -# This ensures shared DLL are in the same dir as executable on Windows. -# Put all executables / libraries are in a project global directory. -SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib - CACHE PATH "Single directory for all static libraries.") -SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib - CACHE PATH "Single directory for all dynamic libraries on Unix.") -SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin - CACHE PATH "Single directory for all executable and dynamic libraries on Windows.") -MARK_AS_ADVANCED( CMAKE_RUNTIME_OUTPUT_DIRECTORY CMAKE_LIBRARY_OUTPUT_DIRECTORY CMAKE_ARCHIVE_OUTPUT_DIRECTORY ) - -# Set variable named ${VAR_NAME} to value ${VALUE} -FUNCTION(set_using_dynamic_name VAR_NAME VALUE) - SET( "${VAR_NAME}" "${VALUE}" PARENT_SCOPE) -ENDFUNCTION(set_using_dynamic_name) - -# Extract major, minor, patch from version text -# Parse a version string "X.Y.Z" and outputs -# version parts in ${OUPUT_PREFIX}_MAJOR, _MINOR, _PATCH. -# If parse succeeds then ${OUPUT_PREFIX}_FOUND is TRUE. -MACRO(jsoncpp_parse_version VERSION_TEXT OUPUT_PREFIX) - SET(VERSION_REGEX "[0-9]+\\.[0-9]+\\.[0-9]+(-[a-zA-Z0-9_]+)?") - IF( ${VERSION_TEXT} MATCHES ${VERSION_REGEX} ) - STRING(REGEX MATCHALL "[0-9]+|-([A-Za-z0-9_]+)" VERSION_PARTS ${VERSION_TEXT}) - LIST(GET VERSION_PARTS 0 ${OUPUT_PREFIX}_MAJOR) - LIST(GET VERSION_PARTS 1 ${OUPUT_PREFIX}_MINOR) - LIST(GET VERSION_PARTS 2 ${OUPUT_PREFIX}_PATCH) - set_using_dynamic_name( "${OUPUT_PREFIX}_FOUND" TRUE ) - ELSE( ${VERSION_TEXT} MATCHES ${VERSION_REGEX} ) - set_using_dynamic_name( "${OUPUT_PREFIX}_FOUND" FALSE ) - ENDIF( ${VERSION_TEXT} MATCHES ${VERSION_REGEX} ) -ENDMACRO(jsoncpp_parse_version) - -# Read out version from "version" file -FILE(STRINGS "version" JSONCPP_VERSION) - -jsoncpp_parse_version( ${JSONCPP_VERSION} JSONCPP_VERSION ) -IF(NOT JSONCPP_VERSION_FOUND) - MESSAGE(FATAL_ERROR "Failed to parse version string properly. Expect X.Y.Z") -ENDIF(NOT JSONCPP_VERSION_FOUND) - -MESSAGE(STATUS "JsonCpp Version: ${JSONCPP_VERSION_MAJOR}.${JSONCPP_VERSION_MINOR}.${JSONCPP_VERSION_PATCH}") -# File version.h is only regenerated on CMake configure step -CONFIGURE_FILE( "${PROJECT_SOURCE_DIR}/src/lib_json/version.h.in" - "${PROJECT_SOURCE_DIR}/include/json/version.h" ) - -macro(UseCompilationWarningAsError) - if ( MSVC ) +# vim: et ts=4 sts=4 sw=4 tw=0 + +# ==== Define cmake build policies that affect compilation and linkage default behaviors +# +# Set the JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION string to the newest cmake version +# policies that provide successful builds. By setting JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION +# to a value greater than the oldest policies, all policies between +# JSONCPP_OLDEST_VALIDATED_POLICIES_VERSION and CMAKE_VERSION (used for this build) +# are set to their NEW behaivor, thereby suppressing policy warnings related to policies +# between the JSONCPP_OLDEST_VALIDATED_POLICIES_VERSION and CMAKE_VERSION. +# +# CMake versions greater than the JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION policies will +# continue to generate policy warnings "CMake Warning (dev)...Policy CMP0XXX is not set:" +# +set(JSONCPP_OLDEST_VALIDATED_POLICIES_VERSION "3.8.0") +set(JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION "3.13.2") +cmake_minimum_required(VERSION ${JSONCPP_OLDEST_VALIDATED_POLICIES_VERSION}) +if("${CMAKE_VERSION}" VERSION_LESS "${JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION}") + #Set and use the newest available cmake policies that are validated to work + set(JSONCPP_CMAKE_POLICY_VERSION "${CMAKE_VERSION}") +else() + set(JSONCPP_CMAKE_POLICY_VERSION "${JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION}") +endif() +cmake_policy(VERSION ${JSONCPP_CMAKE_POLICY_VERSION}) +# +# Now enumerate specific policies newer than JSONCPP_NEWEST_VALIDATED_POLICIES_VERSION +# that may need to be individually set to NEW/OLD +# +foreach(pnew "") # Currently Empty + if(POLICY ${pnew}) + cmake_policy(SET ${pnew} NEW) + endif() +endforeach() +foreach(pold "") # Currently Empty + if(POLICY ${pold}) + cmake_policy(SET ${pold} OLD) + endif() +endforeach() + +# Build the library with C++11 standard support, independent from other including +# software which may use a different CXX_STANDARD or CMAKE_CXX_STANDARD. +set(CMAKE_CXX_STANDARD 11) +set(CMAKE_CXX_EXTENSIONS OFF) +set(CMAKE_CXX_STANDARD_REQUIRED ON) + +# Ensure that CMAKE_BUILD_TYPE has a value specified for single configuration generators. +if(NOT DEFINED CMAKE_BUILD_TYPE AND NOT DEFINED CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE Release CACHE STRING + "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Coverage.") +endif() + +set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake") + +# --------------------------------------------------------------------------- +# use ccache if found, has to be done before project() +# --------------------------------------------------------------------------- +find_program(CCACHE_EXECUTABLE "ccache" HINTS /usr/local/bin /opt/local/bin) +if(CCACHE_EXECUTABLE) + message(STATUS "use ccache") + set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_EXECUTABLE}" CACHE PATH "ccache" FORCE) + set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_EXECUTABLE}" CACHE PATH "ccache" FORCE) +endif() + +project(jsoncpp + # Note: version must be updated in three places when doing a release. This + # annoying process ensures that amalgamate, CMake, and meson all report the + # correct version. + # 1. ./meson.build + # 2. ./include/json/version.h + # 3. ./CMakeLists.txt + # IMPORTANT: also update the PROJECT_SOVERSION!! + VERSION 1.9.4 # <major>[.<minor>[.<patch>[.<tweak>]]] + LANGUAGES CXX) + +message(STATUS "JsonCpp Version: ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}") +set(PROJECT_SOVERSION 24) + +option(JSONCPP_WITH_TESTS "Compile and (for jsoncpp_check) run JsonCpp test executables" ON) +option(JSONCPP_WITH_POST_BUILD_UNITTEST "Automatically run unit-tests as a post build step" ON) +option(JSONCPP_WITH_WARNING_AS_ERROR "Force compilation to fail if a warning occurs" OFF) +option(JSONCPP_WITH_STRICT_ISO "Issue all the warnings demanded by strict ISO C and ISO C++" ON) +option(JSONCPP_WITH_PKGCONFIG_SUPPORT "Generate and install .pc files" ON) +option(JSONCPP_WITH_CMAKE_PACKAGE "Generate and install cmake package files" ON) +option(JSONCPP_WITH_EXAMPLE "Compile JsonCpp example" OFF) +option(BUILD_SHARED_LIBS "Build jsoncpp_lib as a shared library." ON) +option(BUILD_STATIC_LIBS "Build jsoncpp_lib as a static library." ON) +option(BUILD_OBJECT_LIBS "Build jsoncpp_lib as a object library." ON) + +# Adhere to GNU filesystem layout conventions +include(GNUInstallDirs) + +set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib" CACHE PATH "Archive output dir.") +set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib" CACHE PATH "Library output dir.") +set(CMAKE_PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin" CACHE PATH "PDB (MSVC debug symbol)output dir.") +set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin" CACHE PATH "Executable/dll output dir.") + +set(JSONCPP_USE_SECURE_MEMORY "0" CACHE STRING "-D...=1 to use memory-wiping allocator for STL") + +configure_file("${PROJECT_SOURCE_DIR}/version.in" + "${PROJECT_BINARY_DIR}/version" + NEWLINE_STYLE UNIX) + +macro(use_compilation_warning_as_error) + if(MSVC) # Only enabled in debug because some old versions of VS STL generate # warnings when compiled in release configuration. - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /WX ") - endif( MSVC ) + add_compile_options($<$<CONFIG:Debug>:/WX>) + elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + add_compile_options(-Werror) + if(JSONCPP_WITH_STRICT_ISO) + add_compile_options(-pedantic-errors) + endif() + endif() endmacro() # Include our configuration header -INCLUDE_DIRECTORIES( ${jsoncpp_SOURCE_DIR}/include ) +include_directories(${jsoncpp_SOURCE_DIR}/include) -if ( MSVC ) +if(MSVC) # Only enabled in debug because some old versions of VS STL generate # unreachable code warning when compiled in release configuration. - set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /W4 ") -endif( MSVC ) - -IF(JSONCPP_WITH_WARNING_AS_ERROR) - UseCompilationWarningAsError() -ENDIF(JSONCPP_WITH_WARNING_AS_ERROR) - -IF(JSONCPP_WITH_PKGCONFIG_SUPPORT) - CONFIGURE_FILE( - "pkg-config/jsoncpp.pc.in" - "pkg-config/jsoncpp.pc" - @ONLY) - INSTALL(FILES "${CMAKE_BINARY_DIR}/pkg-config/jsoncpp.pc" - DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig") -ENDIF(JSONCPP_WITH_PKGCONFIG_SUPPORT) - -IF(JSONCPP_WITH_CMAKE_PACKAGE) - INSTALL(EXPORT jsoncpp - DESTINATION ${PACKAGE_INSTALL_DIR}/jsoncpp - FILE jsoncppConfig.cmake) -ENDIF(JSONCPP_WITH_CMAKE_PACKAGE) + add_compile_options($<$<CONFIG:Debug>:/W4>) +endif() + +if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") + # using regular Clang or AppleClang + add_compile_options(-Wall -Wconversion -Wshadow -Werror=conversion -Werror=sign-compare) +elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") + # using GCC + add_compile_options(-Wall -Wconversion -Wshadow -Wextra) + # not yet ready for -Wsign-conversion + + if(JSONCPP_WITH_STRICT_ISO) + add_compile_options(-Wpedantic) + endif() + if(JSONCPP_WITH_WARNING_AS_ERROR) + add_compile_options(-Werror=conversion) + endif() +elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel") + # using Intel compiler + add_compile_options(-Wall -Wconversion -Wshadow -Wextra -Werror=conversion) + + if(JSONCPP_WITH_STRICT_ISO AND NOT JSONCPP_WITH_WARNING_AS_ERROR) + add_compile_options(-Wpedantic) + endif() +endif() + +if(JSONCPP_WITH_WARNING_AS_ERROR) + use_compilation_warning_as_error() +endif() + +if(JSONCPP_WITH_PKGCONFIG_SUPPORT) + include(JoinPaths) + + join_paths(libdir_for_pc_file "\${exec_prefix}" "${CMAKE_INSTALL_LIBDIR}") + join_paths(includedir_for_pc_file "\${prefix}" "${CMAKE_INSTALL_INCLUDEDIR}") + + configure_file( + "pkg-config/jsoncpp.pc.in" + "pkg-config/jsoncpp.pc" + @ONLY) + install(FILES "${CMAKE_CURRENT_BINARY_DIR}/pkg-config/jsoncpp.pc" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") +endif() + +if(JSONCPP_WITH_CMAKE_PACKAGE) + include(CMakePackageConfigHelpers) + install(EXPORT jsoncpp + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/jsoncpp + FILE jsoncppConfig.cmake) + write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/jsoncppConfigVersion.cmake" + VERSION ${PROJECT_VERSION} + COMPATIBILITY SameMajorVersion) + install(FILES ${CMAKE_CURRENT_BINARY_DIR}/jsoncppConfigVersion.cmake + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/jsoncpp) +endif() + +if(JSONCPP_WITH_TESTS) + enable_testing() + include(CTest) +endif() # Build the different applications -ADD_SUBDIRECTORY( src ) +add_subdirectory(src) #install the includes -ADD_SUBDIRECTORY( include ) +add_subdirectory(include) + +#install the example +if(JSONCPP_WITH_EXAMPLE) + add_subdirectory(example) +endif() |