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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()
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