Fix dependency on ‘version’ file.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 42eacba8ffb59577125b1d79a268e5dea879c77a..f586eb24f9fda824446a892373a26de36848f20a 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,6 +38,9 @@ project(SimGear)
 file(READ version versionFile)
 string(STRIP ${versionFile} SIMGEAR_VERSION)
 
+# add a dependency on the versino file
+set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS version)
+
 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
 
 # use simgear version also as the SO version (if building SOs)