--- swift-corelibs-xctest/CMakeLists.txt.orig	2026-09-11 17:14:03 UTC
+++ swift-corelibs-xctest/CMakeLists.txt
@@ -118,12 +118,12 @@
 set_property(GLOBAL APPEND PROPERTY XCTest_EXPORTS XCTest)
 get_swift_host_arch(swift_arch)
 install(TARGETS XCTest
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<IF:$<STREQUAL:${CMAKE_SYSTEM_NAME},MidnightBSD>,freebsd,$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>>
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<IF:$<STREQUAL:${CMAKE_SYSTEM_NAME},MidnightBSD>,freebsd,$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>>
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 install(FILES
   ${CMAKE_CURRENT_BINARY_DIR}/swift/XCTest.swiftdoc
   ${CMAKE_CURRENT_BINARY_DIR}/swift/XCTest.swiftmodule
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>/${swift_arch})
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/swift$<$<NOT:$<BOOL:${BUILD_SHARED_LIBS}>>:_static>/$<IF:$<STREQUAL:${CMAKE_SYSTEM_NAME},MidnightBSD>,freebsd,$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>>/${swift_arch})
 
 add_subdirectory(cmake/modules)
