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[cmake] Install libraries in standard directories #446

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[cmake] Install libraries in standard directories #446

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1 change: 1 addition & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ if(COLLECTIONS_FOUNDATION_TOOLCHAIN_MODULE)
endif()

include(CTest)
include(GNUInstallDirs)
include(SwiftSupport)

add_subdirectory(Sources)
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36 changes: 27 additions & 9 deletions cmake/modules/SwiftSupport.cmake
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Expand Up @@ -71,6 +71,28 @@ function(get_swift_host_os result_var_name)
endif()
endfunction()

if(NOT Swift_MODULE_TRIPLE)
# Attempt to get the module triple from the Swift compiler.
set(module_triple_command "${CMAKE_Swift_COMPILER}" -print-target-info)
if(CMAKE_Swift_COMPILER_TARGET)
list(APPEND module_triple_command -target ${CMAKE_Swift_COMPILER_TARGET})
endif()
execute_process(COMMAND ${module_triple_command}
OUTPUT_VARIABLE target_info_json)
string(JSON module_triple GET "${target_info_json}" "target" "moduleTriple")

# Exit now if we failed to infer the triple.
if(NOT module_triple)
message(FATAL_ERROR
"Failed to get module triple from Swift compiler. "
"Compiler output: ${target_info_json}")
endif()

# Cache the module triple for future use.
set(Swift_MODULE_TRIPLE "${module_triple}" CACHE STRING "swift module triple used for installed swiftmodule and swiftinterface files")
mark_as_advanced(Swift_MODULE_TRIPLE)
endif()

function(_install_target module)
get_swift_host_os(swift_os)
get_target_property(type ${module} TYPE)
Expand All @@ -81,24 +103,20 @@ function(_install_target module)
set(swift swift)
endif()

install(TARGETS ${module}
ARCHIVE DESTINATION lib/${swift}/${swift_os}
LIBRARY DESTINATION lib/${swift}/${swift_os}
RUNTIME DESTINATION bin)
install(TARGETS ${module})
if(type STREQUAL EXECUTABLE)
return()
endif()

get_swift_host_arch(swift_arch)
get_target_property(module_name ${module} Swift_MODULE_NAME)
if(NOT module_name)
set(module_name ${module})
endif()

install(FILES $<TARGET_PROPERTY:${module},Swift_MODULE_DIRECTORY>/${module_name}.swiftdoc
DESTINATION lib/${swift}/${swift_os}/${module_name}.swiftmodule
RENAME ${swift_arch}.swiftdoc)
DESTINATION ${CMAKE_INSTALL_LIBDIR}/${swift}/${swift_os}/${module_name}.swiftmodule
RENAME ${Swift_MODULE_TRIPLE}.swiftdoc)
install(FILES $<TARGET_PROPERTY:${module},Swift_MODULE_DIRECTORY>/${module_name}.swiftmodule
DESTINATION lib/${swift}/${swift_os}/${module_name}.swiftmodule
RENAME ${swift_arch}.swiftmodule)
DESTINATION ${CMAKE_INSTALL_LIBDIR}/${swift}/${swift_os}/${module_name}.swiftmodule
RENAME ${Swift_MODULE_TRIPLE}.swiftmodule)
endfunction()
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