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Xcode: Fix detection of Swift compiler location for Xcode 14.3

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Previously we tried to match output from `xcodebuild` to detect the
path to the `swiftc` tool.  This approach is used for C and CXX
for historical reasons, but is unnecessary for Swift.  We know the
name of the tool, so we can just ask `xcrun --find swiftc`.

Fixes: #24666
This commit is contained in:
Brad King
2023-04-03 14:26:19 -04:00
parent 3abd37f05d
commit 52dbfefe0d
1 changed files with 8 additions and 4 deletions
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12
Modules/CMakeDetermineSwiftCompiler.cmake
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@@ -15,7 +15,14 @@ if("${CMAKE_GENERATOR}" STREQUAL "Xcode")
message(FATAL_ERROR "Swift language not supported by Xcode ${XCODE_VERSION}")
endif()
set(CMAKE_Swift_COMPILER_XCODE_TYPE sourcecode.swift)
_cmake_find_compiler_path(Swift)
execute_process(COMMAND xcrun --find swiftc
OUTPUT_VARIABLE _xcrun_out OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE _xcrun_err RESULT_VARIABLE _xcrun_result)
if(_xcrun_result EQUAL 0 AND EXISTS "${_xcrun_out}")
set(CMAKE_Swift_COMPILER "${_xcrun_out}")
else()
_cmake_find_compiler_path(Swift)
endif()
elseif("${CMAKE_GENERATOR}" MATCHES "^Ninja")
if(CMAKE_Swift_COMPILER)
_cmake_find_compiler_path(Swift)
@@ -52,9 +59,6 @@ if(NOT CMAKE_Swift_COMPILER_ID_RUN)
if("${CMAKE_GENERATOR}" STREQUAL "Xcode")
list(APPEND CMAKE_Swift_COMPILER_ID_MATCH_VENDORS Apple)
set(CMAKE_Swift_COMPILER_ID_MATCH_VENDOR_REGEX_Apple "com.apple.xcode.tools.swift.compiler")
set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_REGEX "\nCompileSwift[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]* -c[^\r\n]*CompilerIdSwift/CompilerId/main.swift")
set(CMAKE_Swift_COMPILER_ID_TOOL_MATCH_INDEX 2)
endif()
# Try to identify the compiler.