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Co-authored-by: Saleem Abdulrasool <[email protected]>

Author: owenv

Sources/Subprocess/CMakeLists.txt

@@ -41,13 +41,13 @@ elseif(APPLE)
     Platforms/Subprocess+Darwin.swift
     Platforms/Subprocess+Unix.swift)
   target_compile_options(Subprocess PRIVATE
-    "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-D SUBPROCESS_ASYNCIO_DISPATCH>")
+    "$<$<COMPILE_LANGUAGE:Swift>:-DSUBPROCESS_ASYNCIO_DISPATCH>")
 elseif(FREEBSD OR OPENBSD)
   target_sources(Subprocess PRIVATE
     Platforms/Subprocess+BSD.swift
     Platforms/Subprocess+Unix.swift)
   target_compile_options(Subprocess PRIVATE
-    "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-D SUBPROCESS_ASYNCIO_DISPATCH>")
+    "$<$<COMPILE_LANGUAGE:Swift>:-DSUBPROCESS_ASYNCIO_DISPATCH>")
 endif()
 
 target_compile_options(Subprocess PRIVATE