Index: test/lib/c/Makefile
--- test/lib/c/Makefile.orig
+++ test/lib/c/Makefile
@@ -3,7 +3,7 @@ include ../../../config.mk
 .PHONY: all clean reallyclean
 
 CFLAGS=-I../../../include -Werror
-LIBS=../../../lib/libmosquitto.so.1
+LIBS=${WRKLIB}
 
 SRC = \
 	01-con-discon-success.c \