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-rw-r--r--indra/cmake/00-Common.cmake4
1 files changed, 4 insertions, 0 deletions
diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 592e9fc901..a114d6e778 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -74,6 +74,10 @@ if (WINDOWS)
if (NOT VS_DISABLE_FATAL_WARNINGS)
add_definitions(/WX)
endif (NOT VS_DISABLE_FATAL_WARNINGS)
+
+ # configure win32 API for windows XP+ compatibility
+ set(WINVER "0x0501" CACHE STRING "Win32 API Target version (see http://msdn.microsoft.com/en-us/library/aa383745%28v=VS.85%29.aspx)")
+ add_definitions("/DWINVER=${WINVER}" "/D_WIN32_WINNT=${WINVER}")
endif (WINDOWS)