From 2978cbb760b61670e91f9722704523151a9aa451 Mon Sep 17 00:00:00 2001
From: David Chisnall <github@theravensnest.org>
Date: Fri, 3 Aug 2018 13:41:01 +0100
Subject: [PATCH] Don't try to symlink headers on Windows

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21a62d3..b43b01f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,8 +5,10 @@ project(libobjc C ASM CXX)
 INCLUDE (CheckCXXSourceCompiles)
 
 macro(install_symlink filepath sympath)
-	install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${filepath} ${sympath})")
-	install(CODE "message(\"-- Symlinking: ${sympath} -> ${filepath}\")")
+	if (UNIX)
+		install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${filepath} ${sympath})")
+		install(CODE "message(\"-- Symlinking: ${sympath} -> ${filepath}\")")
+	endif ()
 endmacro(install_symlink)
 
 set(CMAKE_C_FLAGS_DEBUG "-O0 -Xclang -fno-inline ${CMAKE_C_FLAGS_DEBUG}")