Merge pull request swiftlang#81404 from compnerd/disable

Runtimes: disable CMP0157 when building with the old driver

Author: compnerd

Runtimes/Overlay/CMakeLists.txt

@@ -7,6 +7,10 @@ set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")
 
+if(POLICY CMP0157 AND CMAKE_Swift_COMPILER_USE_OLD_DRIVER)
+  cmake_policy(SET CMP0157 OLD)
+endif()
+
 # NOTE: always use the 3-component style as the expansion as
 # `${PROJECT_VERSION}` will not extend this to the complete form and this can
 # change the behaviour for comparison with non-SemVer compliant parsing. If

Runtimes/Supplemental/StringProcessing/CMakeLists.txt

@@ -4,6 +4,10 @@ set(CMAKE_POSITION_INDEPENDENT_CODE YES)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../cmake/modules")
 
+if(POLICY CMP0157 AND CMAKE_Swift_COMPILER_USE_OLD_DRIVER)
+  cmake_policy(SET CMP0157 OLD)
+endif()
+
 if($ENV{BUILD_NUMBER})
   math(EXPR BUILD_NUMBER "$ENV{BUILD_NUMBER} % 65535")
   set(BUILD_NUMBER ".${BUILD_NUMBER}")