The paths to .scm and .go files can be constructed given a guile version and a base directory. However it is few lines of code that needs to be copy&pasted. This new procedure returns both of them reducing the maintenance cost. * guix/build/guile-build-system.scm (target-guile-scm+go): New procedure. Change-Id: I58615f2cfe0ec1e58d3fbb47b738ed5dce1bb252 Signed-off-by: Ludovic Courtès <ludo@gnu.org>