cmake: Using PROJECT_SOURCE_DIR instead of AliRoot_SOURCE_DIR

The 2 variables are equivalent but AliRoot_SOURCE_DIR is not portable

diff --git a/cmake/GetGitRevisionDescription.cmake b/cmake/GetGitRevisionDescription.cmake
index 4787d595707aad1eb2b9e0c3284d87fcfd793c88..e72d2cbd77e14ae3b70ab4b3144b3e030f6b6e22 100644 (file)
--- a/cmake/GetGitRevisionDescription.cmake
+++ b/cmake/GetGitRevisionDescription.cmake
@@ -110,7 +110,7 @@ function(git_describe _var)
                ${hash}
                ${ARGN}
                WORKING_DIRECTORY
-               "${AliRoot_SOURCE_DIR}"
+               "${PROJECT_SOURCE_DIR}"
                RESULT_VARIABLE
                res
                OUTPUT_VARIABLE