Building the port gives the error message: libtoolize: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am. configure.ac:29: error: possibly undefined macro: AC_DEFINE If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. autoreconf-2.69: /usr/local/bin/autoconf-2.69 failed with exit status: 1 *** Error code 1 Full log is available here: https://pkg.fechner.net/data/120amd64-default/2019-06-10_18h03m13s/logs/errors/echoping-6.0.2_6.log
Fixed.
A commit references this bug: Author: pi Date: Mon Jul 1 18:36:41 UTC 2019 New revision: 505629 URL: https://svnweb.freebsd.org/changeset/ports/505629 Log: net/echoping: fix build by adding USES=pkgconfig PR: 238457 Changes: head/net/echoping/Makefile
Thanks a lot Kurt!