--- core/cmake/distname.sh.orig	2019-01-31 12:39:26.000000000 +0100
+++ core/cmake/distname.sh	2019-02-05 10:26:43.258936535 +0100
@@ -134,7 +134,7 @@
       elif test -f /etc/gentoo-release
       then
          DISTNAME=gentoo
-         DISTVER=`awk '/version / { print $5 }' < /etc/gentoo-release`
+         DISTVER=`awk '/release / { print $5 }' < /etc/gentoo-release`
       elif test -f /etc/debian_version
       then
          if `test -f /etc/apt/sources.list && grep -q ubuntu /etc/apt/sources.list`; then