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-rw-r--r--Modules/FindOpenSceneGraph.cmake4
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/FindOpenSceneGraph.cmake b/Modules/FindOpenSceneGraph.cmake
index 2e6774e083..1f30fe3f12 100644
--- a/Modules/FindOpenSceneGraph.cmake
+++ b/Modules/FindOpenSceneGraph.cmake
@@ -107,7 +107,8 @@ if(OSG_INCLUDE_DIR)
endif()
if(EXISTS "${_osg_Version_file}")
- file(READ "${_osg_Version_file}" _osg_Version_contents)
+ file(STRINGS "${_osg_Version_file}" _osg_Version_contents
+ REGEX "#define (OSG_VERSION_[A-Z]+|OPENSCENEGRAPH_[A-Z]+_VERSION)[ \t]+[0-9]+")
else()
set(_osg_Version_contents "unknown")
endif()
@@ -134,6 +135,7 @@ if(OSG_INCLUDE_DIR)
message(WARNING "[ FindOpenSceneGraph.cmake:${CMAKE_CURRENT_LIST_LINE} ] "
"Failed to parse version number, please report this as a bug")
endif()
+ unset(_osg_Version_contents)
set(OPENSCENEGRAPH_VERSION "${_osg_VERSION_MAJOR}.${_osg_VERSION_MINOR}.${_osg_VERSION_PATCH}"
CACHE INTERNAL "The version of OSG which was detected")