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cmake_minimum_required(VERSION 3.4)
project(mbgl LANGUAGES CXX C)
set(CMAKE_CXX_STANDARD 14)
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)
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)
add_definitions(-DMBGL_USE_GLES2=1)
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)
add_definitions(-DRAPIDJSON_HAS_STDSTRING=1)
if(WITH_COVERAGE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --coverage")
endif(WITH_COVERAGE)
set(CMAKE_CONFIGURATION_TYPES Debug Release RelWithDebugInfo Sanitize)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -ftemplate-depth=1024 -fPIC -fvisibility=hidden -Wall -Wextra -Wshadow -Wnon-virtual-dtor -Wno-variadic-macros -Wno-unknown-pragmas")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -fPIC -fvisibility=hidden -Wall -Wextra -Wshadow -Wno-variadic-macros -Wno-unknown-pragmas")
if (WITH_ERROR)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -O3 -DNDEBUG")
set(CMAKE_CXX_FLAGS_SANITIZE "${CMAKE_CXX_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()
# 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()
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 (COMMAND mbgl_filesource)
include(cmake/filesource.cmake)
endif()
include(cmake/core-files.cmake)
include(cmake/core.cmake)
if(COMMAND mbgl_platform_test)
include(cmake/test-files.cmake)
include(cmake/test.cmake)
endif()
if(COMMAND mbgl_platform_benchmark)
include(cmake/benchmark-files.cmake)
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")
write_xcconfig_target_properties(
mbgl-core
mbgl-filesource
)
endif()
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