Add some doc stuff to .gitignore

[simgrid.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 57f1afc82bf1f64235858bd808c89e7d5e109b17..d783249ebefced6e04823349300fb7707a660b8c 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -189,7 +189,9 @@ if(WIN32)
   if(NSIS_WIN_VERSION MATCHES "")
     set(NSIS_WIN_VERSION $ENV{PROCESSOR_ARCHITECTURE})
   endif()
-  string(TOLOWER ${NSIS_WIN_VERSION} NSIS_WIN_VERSION)
+  if(${NSIS_WIN_VERSION})
+    string(TOLOWER ${NSIS_WIN_VERSION} NSIS_WIN_VERSION)
+  endif()
 
   set(_XBT_WIN32 1)