From dae05ae4eb506cf470aef717e349b8055e8c8e06 Mon Sep 17 00:00:00 2001
From: Finagolfin <finagolfin@tuta.io>
Date: Mon, 11 Aug 2025 04:26:38 +0530
Subject: [PATCH] [CMake] Don't export module map for Windows, as unneeded
 after swiftlang/swift#79621

---
 icuSources/CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/icuSources/CMakeLists.txt b/icuSources/CMakeLists.txt
index 4dd9e3b..8bb142e 100644
--- a/icuSources/CMakeLists.txt
+++ b/icuSources/CMakeLists.txt
@@ -18,8 +18,10 @@ target_include_directories(_FoundationICU
     PUBLIC
         include/)
 
-target_compile_options(_FoundationICU INTERFACE
-  "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xcc -fmodule-map-file=${CMAKE_CURRENT_SOURCE_DIR}/include/_foundation_unicode/module.modulemap>")
+if(NOT CMAKE_SYSTEM_NAME STREQUAL "Windows")
+  target_compile_options(_FoundationICU INTERFACE
+    "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xcc -fmodule-map-file=${CMAKE_CURRENT_SOURCE_DIR}/include/_foundation_unicode/module.modulemap>")
+endif()
 
 add_subdirectory(common)
 add_subdirectory(i18n)