remove use of sed hacks in autogen.sh to get version components

diff --git a/autogen.sh b/autogen.sh
index 9c0689ac081d3686d5970a52131037815938691b..87a199b1f96cd9252b4b0750b7233946cfcf9cc2 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,9 +4,9 @@ if ! GRAPHVIZ_VERSION=$( python3 gen_version.py ) ; then
     echo "Error: Failed to set version" >&2
     exit 1
 fi
-GRAPHVIZ_VERSION_MAJOR=$( echo $GRAPHVIZ_VERSION | sed 's/\([^\.]*\).*/\1/' )
-GRAPHVIZ_VERSION_MINOR=$( echo $GRAPHVIZ_VERSION | sed 's/[^\.]*\.\([^\.]*\).*/\1/' )
-GRAPHVIZ_VERSION_PATCH=$( echo $GRAPHVIZ_VERSION | sed 's/[^\.]*\.[^\.]*\.//' )
+GRAPHVIZ_VERSION_MAJOR=$( python3 gen_version.py --major )
+GRAPHVIZ_VERSION_MINOR=$( python3 gen_version.py --minor )
+GRAPHVIZ_VERSION_PATCH=$( python3 gen_version.py --patch )
 
 if ! GRAPHVIZ_GIT_DATE=$( python3 gen_version.py --committer-date-iso ) ; then
     echo "Error: Failed to set date" >&2