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[ASTGen] Disable implicit import of _StringProcessing in ASTGen. #61889

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Merged
merged 1 commit into from
Nov 3, 2022
Merged

[ASTGen] Disable implicit import of _StringProcessing in ASTGen. #61889

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19 changes: 19 additions & 0 deletions lib/ASTGen/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,4 +1,23 @@
if (SWIFT_SWIFT_PARSER)
# Ensure that we do not link the _StringProcessing module. But we can
# only pass this flag for new-enough compilers that support it.
file(WRITE "${CMAKE_BINARY_DIR}/tmp/empty-check-string-processing.swift" "")
execute_process(
COMMAND
"${CMAKE_Swift_COMPILER}"
-Xfrontend -disable-implicit-string-processing-module-import
-c - -o /dev/null
INPUT_FILE
"${CMAKE_BINARY_DIR}/tmp/empty-check-string-processing.swift"
OUTPUT_QUIET ERROR_QUIET
RESULT_VARIABLE
SWIFT_SUPPORTS_DISABLE_IMPLICIT_STRING_PROCESSING_MODULE_IMPORT)
if (NOT SWIFT_SUPPORTS_DISABLE_IMPLICIT_STRING_PROCESSING_MODULE_IMPORT)
add_compile_options(
$<$<COMPILE_LANGUAGE:Swift>:-Xfrontend>
$<$<COMPILE_LANGUAGE:Swift>:-disable-implicit-string-processing-module-import>)
endif()

add_library(swiftASTGen STATIC
Sources/ASTGen/ASTGen.swift
Sources/ASTGen/Decls.swift
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