$NetBSD$

# Must use gmake
--- Inchworm/Makefile.orig	2018-09-01 15:18:14 UTC
+++ Inchworm/Makefile
@@ -1,8 +1,8 @@
 all:
 	mkdir -p build
-	cd build && cmake -DCMAKE_INSTALL_PREFIX="" ../ && make DESTDIR=../ install
+	cd build && cmake -DCMAKE_INSTALL_PREFIX="" ../ && ${MAKE} DESTDIR=../ install
 
 clean:
 	@echo cleaning
-	(cd build && make clean) || :
+	(cd build && ${MAKE} clean) || :
 	rm -rf ./build ./bin