The following changes were made:

* removed unused variables in Makefile
  * added missing && during the ROOT building phase

Makefile

@@ -15,7 +15,7 @@ export URL = https://www.gnu.org/software/ncurses/
 BRIEF = Library and tools for terminal handling
 DESC = The Ncurses (new curses) library is a free software emulation of \
 curses in System V Release 4.0, and more.
-SNAPVER = 1
+SNAPVER = 2
 
 ARCHIVE := $(PWD)/SRC/$(shell ls SRC|egrep '(bz2|gz|tar|xz)$$'|tail -1)
 TYPE := $(shell file -ib $(ARCHIVE)|cut -d';' -f1|tr -d '\n')
@@ -27,8 +27,6 @@ export VERSION := $(shell echo $(SRCDIR)|egrep -o '\-[0-9].*'| \
 DEV := $(PWD)/ncurses-dev
 DEVROOT := $(DEV)/ROOT
 
-MAKE = make
-MAKEINST = make install
 include /usr/share/snap/Makefile.snaplinux
 
 $(SRCDIR)/configure: $(ARCHIVE)
@@ -100,7 +98,7 @@ $(ROOT): $(SRCDIR)/objects/cursesmain.o
 		mkdir -p $$path; \
 		mv $$file $$path; \
 	done && \
-	cp -v -R $(SRCDIR)/doc/* $(DEVROOT)/usr/share/doc/ncurses
+	cp -v -R $(SRCDIR)/doc/* $(DEVROOT)/usr/share/doc/ncurses && \
 	find $(ROOT) -type d -empty -delete && \
 	cd $(DEV) && make -f ../Makefile.ncurses-dev && mv *.snap ../