ryan@framework:~/Desktop/chickadee-0.10.0$ ./configure checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /usr/bin/mkdir -p checking for gawk... gawk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether make supports nested variables... (cached) yes checking for guile... /usr/bin/guile checking for pkg-config... /usr/bin/pkg-config checking pkg-config is at least version 0.9.0... yes configure: checking for guile 3.0 configure: found guile 3.0 checking for guile-3.0... (cached) /usr/bin/guile checking for Guile version >= 3.0... 3.0.7 checking for guild... /usr/bin/guild checking for guile-config... /usr/bin/guile-config checking if (guile) exports `mkdtemp'... yes checking if (gl) is available... no configure: error: required guile module not found: (gl)