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-rw-r--r--cmake/version.cmake5
1 files changed, 5 insertions, 0 deletions
diff --git a/cmake/version.cmake b/cmake/version.cmake
index ee419bbc4..8d08e5532 100644
--- a/cmake/version.cmake
+++ b/cmake/version.cmake
@@ -15,6 +15,11 @@ else()
endif(GIT_EXECUTABLE)
string(REGEX MATCH "R[0-9]+" VERSION_NUM ${VERSION} )
+if(NOT VERSION_NUM)
+ message(STATUS "I can't find a release tag. This is probably not Navit's official tree")
+ message(STATUS "It's OK, I will default to 0000")
+ set(VERSION_NUM "0000")
+endif()
string(REPLACE "R" "" VERSION_NUM ${VERSION_NUM} )
if(NOT VERSION_NUM)
set(VERSION_NUM "0000")