cmake_minimum_required(VERSION 3.4) project(mbgl LANGUAGES CXX C) set(CMAKE_CONFIGURATION_TYPES Debug Release RelWithDebInfo Sanitize) # Compiler configuration set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_CXX_STANDARD 14) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_C_EXTENSIONS OFF) set(CMAKE_C_STANDARD 99) set(CMAKE_C_STANDARD_REQUIRED ON) # Required to avoid warnings when setting visibility cmake_policy(SET CMP0063 NEW) set(CMAKE_CXX_VISIBILITY_PRESET hidden) set(CMAKE_C_VISIBILITY_PRESET hidden) set(CMAKE_POSITION_INDEPENDENT_CODE ON) set(CMAKE_VISIBILITY_INLINES_HIDDEN 1) option(WITH_CXX11ABI "Use the C++11 ABI" OFF) option(WITH_COVERAGE "Enable coverage reports" OFF) option(WITH_OSMESA "Use OSMesa headless backend" OFF) option(WITH_EGL "Use EGL backend" OFF) option(WITH_NODEJS "Download test dependencies like NPM and Node.js" ON) option(WITH_ERROR "Add -Werror flag to build (turns warnings into errors)" ON) if (WITH_ERROR) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror") endif() include(cmake/vendor.cmake) include(cmake/mbgl.cmake) include(cmake/mason.cmake) include(cmake/xcode.cmake) if(WITH_CXX11ABI) set(MASON_CXXABI_SUFFIX -cxx11abi) add_definitions(-D_GLIBCXX_USE_CXX11_ABI=1) else() add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0) endif() if(WITH_OSMESA AND WITH_EGL) message(FATAL_ERROR "WITH_OSMESA and WITH_EGL are mutually exclusive.") endif() if(WITH_EGL) set(USE_GLES2 ON) endif() if($ENV{CI}) add_compile_options(-DCI_BUILD=1) endif() set_property(GLOBAL PROPERTY USE_FOLDERS ON) if(EXISTS ${CMAKE_SOURCE_DIR}/.git/HEAD) exec_program( "git" ${CMAKE_SOURCE_DIR} ARGS "rev-parse --short=8 HEAD" OUTPUT_VARIABLE MBGL_VERSION_REV ) else() set(MBGL_VERSION_REV 00000000) endif() set_source_files_properties(src/mbgl/util/version.cpp PROPERTIES COMPILE_DEFINITIONS MBGL_VERSION_REV="${MBGL_VERSION_REV}") include(cmake/mason-dependencies.cmake) if(WITH_COVERAGE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage") set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --coverage") endif(WITH_COVERAGE) if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-backtrace-limit=0 -w") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth=1024 -Wall -Wextra -Wshadow -Wnon-virtual-dtor -Wno-variadic-macros -Wno-unknown-pragmas") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wshadow -Wno-variadic-macros -Wno-unknown-pragmas") endif() if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES ".*Clang") # -Wno-error=unused-command-line-argument is required due to https://llvm.org/bugs/show_bug.cgi?id=7798 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unused-command-line-argument") endif() set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Os -DNDEBUG") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os -DNDEBUG") set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O3 -DNDEBUG") set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -O3 -DNDEBUG") set(CMAKE_CXX_FLAGS_SANITIZE "${CMAKE_CXX_FLAGS_SANITIZE} -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls") set(CMAKE_C_FLAGS_SANITIZE "${CMAKE_C_FLAGS_SANITIZE} -O1 -g -fno-omit-frame-pointer -fno-optimize-sibling-calls") if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unknown-warning-option") elseif(CMAKE_COMPILER_IS_GNUCXX) # https://svn.boost.org/trac/boost/ticket/9240 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fext-numeric-literals") endif() set(CMAKE_SHARED_LINKER_FLAGS_SANITIZE "${CMAKE_SHARED_LINKER_FLAGS}") set(CMAKE_EXE_LINKER_FLAGS_SANITIZE "${CMAKE_EXE_LINKER_FLAGS}") # Technique from https://crascit.com/2016/04/09/using-ccache-with-cmake/ find_program(CCACHE_PROGRAM ccache) if(CCACHE_PROGRAM) set(C_LAUNCHER "${CCACHE_PROGRAM}") set(CXX_LAUNCHER "${CCACHE_PROGRAM}") if(CMAKE_GENERATOR STREQUAL "Xcode") # Set Xcode project attributes to route compilation and linking through our scripts # Xcode doesn't include the path to the compiler/linker by default, so we'll have to add it. configure_file(scripts/launch-c-xcode.in launch-c @ONLY) configure_file(scripts/launch-cxx-xcode.in launch-cxx @ONLY) set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_BINARY_DIR}/launch-c") set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_BINARY_DIR}/launch-cxx") set(CMAKE_XCODE_ATTRIBUTE_LD "${CMAKE_BINARY_DIR}/launch-c") set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${CMAKE_BINARY_DIR}/launch-cxx") else() # Support Unix Makefiles and Ninja configure_file(scripts/launch-c.in launch-c @ONLY) configure_file(scripts/launch-cxx.in launch-cxx @ONLY) set(CMAKE_C_COMPILER_LAUNCHER "${CMAKE_BINARY_DIR}/launch-c") set(CMAKE_CXX_COMPILER_LAUNCHER "${CMAKE_BINARY_DIR}/launch-cxx") endif() execute_process(COMMAND chmod a+rx "${CMAKE_BINARY_DIR}/launch-c" "${CMAKE_BINARY_DIR}/launch-cxx") if(CMAKE_CXX_COMPILER_ID MATCHES ".*Clang") # ccache splits up the compile steps, so we end up with unused arguments in some steps. # Clang also thinks that ccache isn't interactive, so we explicitly need to enable color. set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics") endif() elseif(WIN32) find_program(CLCACHE_PROGRAM clcache) if(CLCACHE_PROGRAM) # clcache doesn't work with external pdb files # https://github.com/frerich/clcache/issues/30 string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}") string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}") endif() else() message(STATUS "Can't find ccache — consider installing ccache to improve recompilation performance") endif() if(NOT EXISTS ${CMAKE_SOURCE_DIR}/platform/${MBGL_PLATFORM}/config.cmake) message(ERROR "Can't find config.cmake file for platform ${MBGL_PLATFORM}") endif() include(platform/${MBGL_PLATFORM}/config.cmake) if(WITH_EGL) add_definitions(-DMBGL_WITH_EGL=1) endif() if(USE_GLES2) add_definitions(-DMBGL_USE_GLES2=1) endif() if (COMMAND mbgl_filesource) include(cmake/filesource.cmake) endif() include(cmake/core.cmake) if(COMMAND mbgl_platform_test) include(cmake/test.cmake) endif() if(COMMAND mbgl_platform_benchmark) include(cmake/benchmark.cmake) endif() if(COMMAND mbgl_platform_glfw) include(cmake/glfw.cmake) endif() if(COMMAND mbgl_platform_render) include(cmake/render.cmake) endif() if(COMMAND mbgl_platform_offline) include(cmake/offline.cmake) endif() if(WITH_NODEJS AND COMMAND mbgl_platform_node) include(cmake/node.cmake) endif() if(CMAKE_GENERATOR STREQUAL "Xcode") set_xcconfig_target_properties(mbgl-core) set_xcconfig_target_properties(mbgl-filesource) file(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/config.xcconfig" INPUT "${CMAKE_SOURCE_DIR}/scripts/config.xcconfig.in" ) endif()