The Win64 headers don't like us requesting Windows 2000 as the minimum version
as that version did not have 64-bit support.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4323 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 15b1d5c..0b40ed4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -138,7 +138,14 @@
add_definitions(-DHAVE_CONFIG_H)
include_directories(${CMAKE_BINARY_DIR})
-add_definitions(-D_WIN32_IE=0x0500 -D_WIN32_WINNT=0x0500)
+# Minimum version is Windows 2000 (5.0)
+if(NOT CMAKE_CL_64)
+ add_definitions(-D_WIN32_IE=0x0500 -D_WIN32_WINNT=0x0500)
+else()
+ # Win64 doesn't like us requesting a Windows version that didn't have
+ # 64-bit support. Request XP (5.1) instead.
+ add_definitions(-D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501)
+endif()
add_subdirectory(common)
add_subdirectory(win)