build: handle patch level versioning

Use the patch level identifier from the version string when it is
provided instead blindly extending the version string with '.0'. This
prevents patch level releases.

Signed-off-by: Daniel Wagner <[email protected]>

Author: dwsuse

meson.build

@@ -20,8 +20,14 @@ project(
     ]
 )
 
-maj_min = meson.project_version().split('-rc')[0]
-library_version =  maj_min + '.0'
+vstr = meson.project_version().split('-rc')[0]
+vid = vstr.split('.')
+library_version = '.'.join(vid[0], vid[1])
+if vid.length() == 3
+  library_version = '.'.join(library_version, vid[2])
+else
+  library_version = library_version + '.0'
+endif
 
 ################################################################################
 cc = meson.get_compiler('c')