checking build system type... amd64-unknown-freebsd11.2
checking host system type... amd64-unknown-freebsd11.2
checking target system type... amd64-unknown-freebsd11.2
continue configure in default builddir "./amd64-unknown-freebsd11.2"
....exec /bin/sh .././configure "--srcdir=.." "--enable-builddir=amd64-unknown-freebsd11.2" "freebsd11.2"
checking build system type... amd64-unknown-freebsd11.2
checking host system type... amd64-unknown-freebsd11.2
checking target system type... amd64-unknown-freebsd11.2
checking for gsed... sed
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... ../install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... nawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking whether to enable maintainer-specific portions of Makefiles... yes
checking for gawk... (cached) nawk
checking for GNU make...
configure: error: the i3lock Makefile.am requires GNU make