realm-js/CMake/RealmCore.cmake

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include(ExternalProject)
if(${CMAKE_GENERATOR} STREQUAL "Unix Makefiles")
set(MAKE_EQUAL_MAKE "MAKE=$(MAKE)")
endif()
if(SANITIZE_ADDRESS)
set(MAKEFLAGS "MAKEFLAGS=EXTRA_CFLAGS=-fsanitize=address EXTRA_LDFLAGS=-fsanitize=address")
endif()
if (${CMAKE_VERSION} VERSION_GREATER "3.4.0")
set(USES_TERMINAL_BUILD USES_TERMINAL_BUILD 1)
endif()
function(use_realm_core version_or_path_to_source)
if("${version_or_path_to_source}" MATCHES "^[0-9]+(\\.[0-9])+")
if(APPLE)
download_realm_core(${version_or_path_to_source})
else()
clone_and_build_realm_core("v${version_or_path_to_source}")
endif()
else()
build_existing_realm_core(${version_or_path_to_source})
endif()
set(REALM_CORE_INCLUDE_DIR ${REALM_CORE_INCLUDE_DIR} PARENT_SCOPE)
endfunction()
function(download_realm_core core_version)
set(core_url "https://static.realm.io/downloads/core/realm-core-${core_version}.tar.bz2")
set(core_tarball_name "realm-core-${core_version}.tar.bz2")
set(core_temp_tarball "/tmp/${core_tarball_name}")
set(core_directory_parent "${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}")
set(core_directory "${core_directory_parent}/realm-core-${core_version}")
set(core_tarball "${core_directory_parent}/${core_tarball_name}")
if (NOT EXISTS ${core_tarball})
if (NOT EXISTS ${core_temp_tarball})
message("Downloading core ${core_version} from ${core_url}.")
file(DOWNLOAD ${core_url} ${core_temp_tarball}.tmp SHOW_PROGRESS)
file(RENAME ${core_temp_tarball}.tmp ${core_temp_tarball})
endif()
file(COPY ${core_temp_tarball} DESTINATION ${core_directory_parent})
endif()
set(core_library_debug ${core_directory}/librealm-dbg.a)
set(core_library_release ${core_directory}/librealm.a)
set(core_libraries ${core_library_debug} ${core_library_release})
add_custom_command(
COMMENT "Extracting ${core_tarball_name}"
OUTPUT ${core_libraries}
DEPENDS ${core_tarball}
COMMAND ${CMAKE_COMMAND} -E tar xf ${core_tarball}
COMMAND ${CMAKE_COMMAND} -E remove_directory ${core_directory}
COMMAND ${CMAKE_COMMAND} -E rename core ${core_directory}
COMMAND ${CMAKE_COMMAND} -E touch_nocreate ${core_libraries})
add_custom_target(realm-core DEPENDS ${core_libraries})
add_library(realm STATIC IMPORTED)
add_dependencies(realm realm-core)
set_property(TARGET realm PROPERTY IMPORTED_LOCATION_DEBUG ${core_library_debug})
set_property(TARGET realm PROPERTY IMPORTED_LOCATION_RELEASE ${core_library_release})
set_property(TARGET realm PROPERTY IMPORTED_LOCATION ${core_library_release})
set(REALM_CORE_INCLUDE_DIR ${core_directory}/include PARENT_SCOPE)
endfunction()
macro(define_built_realm_core_target core_directory)
set(core_library_debug ${core_directory}/src/realm/librealm-dbg${CMAKE_SHARED_LIBRARY_SUFFIX})
set(core_library_release ${core_directory}/src/realm/librealm${CMAKE_SHARED_LIBRARY_SUFFIX})
set(core_libraries ${core_library_debug} ${core_library_release})
ExternalProject_Add_Step(realm-core ensure-libraries
COMMAND ${CMAKE_COMMAND} -E touch_nocreate ${core_libraries}
OUTPUT ${core_libraries}
DEPENDEES build
)
add_library(realm SHARED IMPORTED)
add_dependencies(realm realm-core)
set_property(TARGET realm PROPERTY IMPORTED_LOCATION_DEBUG ${core_library_debug})
set_property(TARGET realm PROPERTY IMPORTED_LOCATION_RELEASE ${core_library_release})
set_property(TARGET realm PROPERTY IMPORTED_LOCATION ${core_library_release})
set(REALM_CORE_INCLUDE_DIR ${core_directory}/src PARENT_SCOPE)
endmacro()
function(clone_and_build_realm_core branch)
set(core_prefix_directory "${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}/realm-core")
ExternalProject_Add(realm-core
GIT_REPOSITORY "git@github.com:realm/realm-core.git"
GIT_TAG ${branch}
PREFIX ${core_prefix_directory}
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND ""
BUILD_COMMAND export ${MAKEFLAGS} && ${MAKE_EQUAL_MAKE} sh build.sh build
INSTALL_COMMAND ""
${USES_TERMINAL_BUILD}
)
ExternalProject_Get_Property(realm-core SOURCE_DIR)
define_built_realm_core_target(${SOURCE_DIR})
endfunction()
function(build_existing_realm_core core_directory)
get_filename_component(core_directory ${core_directory} ABSOLUTE)
ExternalProject_Add(realm-core
URL ""
PREFIX ${CMAKE_CURRENT_SOURCE_DIR}${CMAKE_FILES_DIRECTORY}/realm-core
SOURCE_DIR ${core_directory}
BUILD_IN_SOURCE 1
BUILD_ALWAYS 1
CONFIGURE_COMMAND ""
BUILD_COMMAND export ${MAKEFLAGS} && ${MAKE_EQUAL_MAKE} sh build.sh build
INSTALL_COMMAND ""
${USES_TERMINAL_BUILD}
)
define_built_realm_core_target(${core_directory})
endfunction()