From 0781022d1b89b92d4c4c90f1580cd25f5e932e92 Mon Sep 17 00:00:00 2001
From: Rintaro Ishizaki <fs.output@gmail.com>
Date: Tue, 24 Sep 2024 07:04:24 -0700
Subject: [PATCH] [6.0] Explicitly link to `Foundation` in CMake builds  (#709)

Cherry-pick #693 into `release/6.0`

* **Explanation**: Previously in CMake builds, when `Foundation` was not
in the regular search directory (e.g. resource directory or SDK search
paths) `#if canImport(Foundation)` used to fail, and the functionalities
are not included. This patch provides a way to provide `Foundation_DIR`
for `find_packgage(Foundation CONFIG)`, so that clients can correctly
link Testing to Foundation
* **Scope**: CMake builds
* **Risk**: Low. No actual code changes.
* **Testing**: Passes current test suite Also manually tested the build
toolchain
* **Issues**: N/A
* **Reviewer**: @stmontgomery
---
 CMakeLists.txt                 | 7 +++++++
 Sources/Testing/CMakeLists.txt | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef465083..211bab7b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,13 @@ endif()
 project(SwiftTesting
   LANGUAGES CXX Swift)
 
+if(NOT APPLE)
+  if(NOT CMAKE_SYSTEM_NAME STREQUAL WASI)
+    find_package(dispatch CONFIG)
+  endif()
+  find_package(Foundation CONFIG)
+endif()
+
 include(GNUInstallDirs)
 
 list(APPEND CMAKE_MODULE_PATH
diff --git a/Sources/Testing/CMakeLists.txt b/Sources/Testing/CMakeLists.txt
index 573f198a..f96e2617 100644
--- a/Sources/Testing/CMakeLists.txt
+++ b/Sources/Testing/CMakeLists.txt
@@ -94,6 +94,14 @@ add_library(Testing
   Traits/Trait.swift)
 target_link_libraries(Testing PRIVATE
   _TestingInternals)
+if(NOT APPLE)
+  if(NOT CMAKE_SYSTEM_NAME STREQUAL WASI)
+    target_link_libraries(Testing PUBLIC
+      dispatch)
+  endif()
+  target_link_libraries(Testing PUBLIC
+    Foundation)
+endif()
 add_dependencies(Testing
   TestingMacros)
 target_compile_options(Testing PRIVATE