The primary developer (Bill Perry) discontinued work on gcld back in 2012. More recently Google Code was turned off making it no longer possible to even download it. This PR switches to openGLCD. After renaming arduino-glcd to arduino-openglcd, please apply the patch.
Created attachment 180975 [details] patch
Created attachment 180976 [details] poudriere build log
Steal PR from krion@
Committed, thanks for the report.
A commit references this bug: Author: rene Date: Sat Oct 14 10:49:44 UTC 2017 New revision: 452055 URL: https://svnweb.freebsd.org/changeset/ports/452055 Log: Undeprecate and switch to an active fork of devel/arduino-glcd and rename port. PR: 217931 Submitted by: Craig Leres MFH: 2017Q4 Changes: head/MOVED head/devel/Makefile head/devel/arduino-glcd/ head/devel/arduino-openglcd/ head/devel/arduino-openglcd/Makefile head/devel/arduino-openglcd/distinfo head/devel/arduino-openglcd/pkg-descr head/devel/arduino-openglcd/pkg-plist