Don't link to dispatch in WASI

WASI doesn't support `libdispatch`

Author: rintaro

CMakeLists.txt

@@ -16,7 +16,9 @@ project(SwiftTesting
   LANGUAGES CXX Swift)
 
 if(NOT APPLE)
-  find_package(dispatch CONFIG)
+  if(NOT WASI)
+    find_package(dispatch CONFIG)
+  endif()
   find_package(Foundation CONFIG)
 endif()
 

Sources/Testing/CMakeLists.txt

@@ -97,8 +97,11 @@ add_library(Testing
 target_link_libraries(Testing PRIVATE
   _TestingInternals)
 if(NOT APPLE)
+  if(NOT WASI)
+    target_link_libraries(Testing PUBLIC
+      dispatch)
+  endif()
   target_link_libraries(Testing PUBLIC
-    dispatch
     Foundation)
 endif()
 if(NOT BUILD_SHARED_LIBS)