+# Compute minor/major/patchlevel version numbers
+AC_PROG_SED
+major_version=$(echo AC_PACKAGE_VERSION | sed 's/^\([[0-9]]\)*\.[[0-9]]*\.[[0-9]]*.*$/\1/')
+minor_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.\([[0-9]]*\)\.[[0-9]]*.*$/\1/')
+patchlevel_version=$(echo AC_PACKAGE_VERSION | sed 's/^[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\).*$/\1/')
+AC_SUBST([MAJOR_VERSION], [$major_version])
+AC_SUBST([MINOR_VERSION], [$minor_version])
+AC_SUBST([PATCHLEVEL_VERSION], [$patchlevel_version])
+AC_DEFINE_UNQUOTED([VERSION_MAJOR], $major_version, [LTTng-Tools major version number])
+AC_DEFINE_UNQUOTED([VERSION_MINOR], $minor_version, [LTTng-Tools minor version number])
+AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [LTTng-Tools patchlevel version number])
+