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-rw-r--r--Modules/CMakeDetermineCompilerId.cmake39
1 files changed, 32 insertions, 7 deletions
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake
index 1cd919a..7036b93 100644
--- a/Modules/CMakeDetermineCompilerId.cmake
+++ b/Modules/CMakeDetermineCompilerId.cmake
@@ -46,6 +46,14 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
endif()
endforeach()
+ # Check if compiler id detection gave us the compiler tool.
+ if(CMAKE_${lang}_COMPILER_ID_TOOL)
+ set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}")
+ set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
+ elseif(NOT CMAKE_${lang}_COMPILER)
+ set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
+ endif()
+
# If the compiler is still unknown, try to query its vendor.
if(CMAKE_${lang}_COMPILER AND NOT CMAKE_${lang}_COMPILER_ID)
foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
@@ -76,6 +84,30 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
endif()
endif()
+ # For Swift we need to explicitly query the version.
+ if(lang STREQUAL "Swift"
+ AND CMAKE_${lang}_COMPILER
+ AND NOT CMAKE_${lang}_COMPILER_VERSION)
+ execute_process(
+ COMMAND "${CMAKE_${lang}_COMPILER}"
+ -version
+ OUTPUT_VARIABLE output ERROR_VARIABLE output
+ RESULT_VARIABLE result
+ TIMEOUT 10
+ )
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ "Running the ${lang} compiler: \"${CMAKE_${lang}_COMPILER}\" -version\n"
+ "${output}\n"
+ )
+
+ if(output MATCHES [[Swift version ([0-9]+\.[0-9]+(\.[0-9]+)?)]])
+ set(CMAKE_${lang}_COMPILER_VERSION "${CMAKE_MATCH_1}")
+ if(NOT CMAKE_${lang}_COMPILER_ID)
+ set(CMAKE_Swift_COMPILER_ID "Apple")
+ endif()
+ endif()
+ endif()
+
if (COMPILER_QNXNTO AND CMAKE_${lang}_COMPILER_ID STREQUAL "GNU")
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
@@ -124,13 +156,6 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
message(STATUS "The ${lang} compiler identification is unknown")
endif()
- # Check if compiler id detection gave us the compiler tool.
- if(CMAKE_${lang}_COMPILER_ID_TOOL)
- set(CMAKE_${lang}_COMPILER "${CMAKE_${lang}_COMPILER_ID_TOOL}" PARENT_SCOPE)
- elseif(NOT CMAKE_${lang}_COMPILER)
- set(CMAKE_${lang}_COMPILER "CMAKE_${lang}_COMPILER-NOTFOUND" PARENT_SCOPE)
- endif()
-
set(CMAKE_${lang}_COMPILER_ID "${CMAKE_${lang}_COMPILER_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_PLATFORM_ID "${CMAKE_${lang}_PLATFORM_ID}" PARENT_SCOPE)
set(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID "${CMAKE_${lang}_COMPILER_ARCHITECTURE_ID}" PARENT_SCOPE)