jsoncpp/CMakeLists.txt

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# vim: et ts=4 sts=4 sw=4 tw=0
cmake_minimum_required(VERSION 3.1)
# Ensures that CMAKE_BUILD_TYPE has a default value
if(NOT DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Coverage.")
endif()
project(JSONCPP
VERSION 1.8.4 # <major>[.<minor>[.<patch>[.<tweak>]]]
LANGUAGES CXX)
set( JSONCPP_VERSION ${JSONCPP_VERSION_MAJOR}.${JSONCPP_VERSION_MINOR}.${JSONCPP_VERSION_PATCH} )
message(STATUS "JsonCpp Version: ${JSONCPP_VERSION_MAJOR}.${JSONCPP_VERSION_MINOR}.${JSONCPP_VERSION_PATCH}")
set( JSONCPP_SOVERSION 19 )
enable_testing()
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(BUILD_SHARED_LIBS "Build jsoncpp_lib as a shared library." OFF)
# Enable runtime search path support for dynamic libraries on OSX
if(APPLE)
set(CMAKE_MACOSX_RPATH 1)
endif()
# Adhere to GNU filesystem layout conventions
include(GNUInstallDirs)
set(DEBUG_LIBNAME_SUFFIX "" CACHE STRING "Optional suffix to append to the library name for a debug build")
# Set variable named ${VAR_NAME} to value ${VALUE}
function(set_using_dynamic_name VAR_NAME VALUE)
set( "${VAR_NAME}" "${VALUE}" PARENT_SCOPE)
endfunction()
set( JSONCPP_USE_SECURE_MEMORY "0" CACHE STRING "-D...=1 to use memory-wiping allocator for STL" )
# File version.h is only regenerated on CMake configure step
configure_file( "${PROJECT_SOURCE_DIR}/src/lib_json/version.h.in"
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"${PROJECT_BINARY_DIR}/include/json/version.h"
NEWLINE_STYLE UNIX )
configure_file( "${PROJECT_SOURCE_DIR}/version.in"
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"${PROJECT_BINARY_DIR}/version"
NEWLINE_STYLE UNIX )
macro(UseCompilationWarningAsError)
if(MSVC)
# Only enabled in debug because some old versions of VS STL generate
# warnings when compiled in release configuration.
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /WX ")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
if(JSONCPP_WITH_STRICT_ISO)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic-errors")
endif()
endif()
endmacro()
# Include our configuration header
include_directories( ${jsoncpp_SOURCE_DIR}/include )
if(MSVC)
# Only enabled in debug because some old versions of VS STL generate
# unreachable code warning when compiled in release configuration.
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /W4 ")
endif()
# Require C++11 support, prefer ISO C++ over GNU variants,
# as relying solely on ISO C++ is more portable.
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# using regular Clang or AppleClang
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wconversion -Wshadow -Werror=conversion -Werror=sign-compare")
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# using GCC
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wconversion -Wshadow -Wextra")
# not yet ready for -Wsign-conversion
if(JSONCPP_WITH_STRICT_ISO)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
endif()
if(JSONCPP_WITH_WARNING_AS_ERROR)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=conversion")
endif()
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
# using Intel compiler
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wconversion -Wshadow -Wextra -Werror=conversion")
if(JSONCPP_WITH_STRICT_ISO AND NOT JSONCPP_WITH_WARNING_AS_ERROR)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
endif()
endif()
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif(CCACHE_FOUND)
if(JSONCPP_WITH_WARNING_AS_ERROR)
UseCompilationWarningAsError()
endif()
if(JSONCPP_WITH_PKGCONFIG_SUPPORT)
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()
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if(JSONCPP_WITH_CMAKE_PACKAGE)
install(EXPORT jsoncpp
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/jsoncpp
FILE jsoncppConfig.cmake)
endif()
# Build the different applications
add_subdirectory( src )
#install the includes
add_subdirectory( include )