Index: Makefile.cmdline
--- Makefile.cmdline.orig	2018-08-05 08:39:19.485538000 +0200
+++ Makefile.cmdline	2018-08-05 08:40:08.745957000 +0200
@@ -9,9 +9,9 @@
 	examples/cmdline/duk_cmdline.c
 
 CC = gcc
-CCOPTS = -Os -pedantic -std=c99 -Wall -fstrict-aliasing -fomit-frame-pointer
-CCOPTS += -I./examples/cmdline -I./src   # duktape.h and duk_config.h must be in include path
-CCLIBS = -lm
+CCOPTS = -std=c99 -fstrict-aliasing -fomit-frame-pointer
+CCOPTS += -I./examples/cmdline -I./src -I$(PREFIX)/include
+CCLIBS= -L$(PREFIX)/lib -lm
 
 # Enable print() and alert() for command line using an optional extra module.
 CCOPTS += -DDUK_CMDLINE_PRINTALERT_SUPPORT -I./extras/print-alert