guile-config --version (return code: 0)
guile-config - Guile version 2.0.13
guile-config --help (return code: 0)
Usage:
guile-config --version - show installed script and Guile version
guile-config --help - show usage info (this message)
guile-config --help SUBCOMMAND - show help for SUBCOMMAND
guile-config link - print libraries to link with
guile-config compile - print C compiler flags to compile with
guile-config info VAR - print Guile build directories