Guile

root@gitlab:/opt/RefGitHub/GuileMoo/guile-log# guile -c "(display (list (major-version) (minor-version) (micro-version)))"
(2 3 0)


root@gitlab:/opt/RefGitHub/GuileMoo/guile-log# guile -v
guile (GNU Guile) 2.3.0.34-e08d1
Copyright (C) 2018 Free Software Foundation, Inc.

License LGPLv3+: GNU LGPL 3 or later <http://gnu.org/licenses/lgpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.



root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#  pkg-config --print-variables g<TAB><TAB>
gdk-2.0                geoclue-2.0            glesv2                 gmodule-2.0            gobject-2.0            gtk+-unix-print-2.0
gdk-pixbuf-2.0         gio-2.0                glib-2.0               gmodule-export-2.0     graphite2              gtk+-x11-2.0
gdk-pixbuf-xlib-2.0    gio-unix-2.0           glproto                gmodule-no-export-2.0  gthread-2.0            guile-3.0
gdk-x11-2.0            gl                     glu                    gnome-python-2.0       gtk+-2.0


root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#  pkg-config --modversion  guile-3.0
2.3.0.34-e08d1

root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#  pkg-config --cflags --libs  guile-3.0
-pthread -I/usr/local/include/guile/3.0 -L/usr/local/lib -lguile-3.0 -lgc


root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#  pkg-config --print-variables guile-2.3
Package guile-2.3 was not found in the pkg-config search path.
Perhaps you should add the directory containing `guile-2.3.pc'
to the PKG_CONFIG_PATH environment variable
No package 'guile-2.3' found
root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#

root@gitlab:/opt/RefGitHub/GuileMoo/guile-log#  pkg-config --print-variables guile-3.0
bindir
datadir
datarootdir
exec_prefix
extensiondir
guild
guile
includedir
libdir
libguileinterface
pcfiledir
pkgdatadir
pkgincludedir
prefix
siteccachedir
sitedir