Created attachment 202916 [details] patch The QT4 option was deleted because Qt4 is EOLed. plplot-5.14.0 supports Qt5, but it hasn't been updated.
A commit references this bug: Author: woodsb02 Date: Sat Oct 26 06:51:27 UTC 2019 New revision: 515674 URL: https://svnweb.freebsd.org/changeset/ports/515674 Log: math/plplot: Update to 5.15.0 Changes this release: https://sourceforge.net/p/plplot/news/2019/06/plplot-5150-has-been-released/ https://sourceforge.net/p/plplot/news/2018/12/plplot-5140-has-been-released/ https://sourceforge.net/p/plplot/news/2017/08/plplot-5130-has-been-released/ PR: 236577 Submitted by: yuri (partially) Changes: head/math/plplot/Makefile head/math/plplot/distinfo head/math/plplot/files/patch-bindings__tk__tkMain.c head/math/plplot/files/patch-cmake_modules_FindVGA.cmake head/math/plplot/files/patch-cmake_modules_csiro.cmake head/math/plplot/files/patch-cmake_modules_instdirs.cmake head/math/plplot/files/patch-cmake_modules_pkg-config.cmake head/math/plplot/pkg-plist
Committed - thanks!