--- Makefile.orig	2018-09-03 18:10:55 UTC
+++ Makefile
@@ -1,5 +1,5 @@
 
-LOADLIBES := -llockfile
+LOADLIBES := -L${LOCALBASE}/lib -llockfile
 CFLAGS    ?= -g -Wall -Wformat-security -Werror -O2
 
 all: lockfile-create
@@ -24,7 +24,10 @@ all: lockfile-create
 .PHONY: all
 
 lockfile-create: lockfile-progs.o
-	${CC} -o $@ ${LDFLAGS} $^ ${LOADLIBES}
+	${CC} -o $@ ${LDFLAGS} lockfile-progs.o ${LOADLIBES}
+
+lockfile-progs.o:
+	${CC} ${CFLAGS} -c -I${LOCALBASE}/include lockfile-progs.c
 
 # These tests are quite insufficient, but perhaps better than nothing for now.
 check: all