diff -r -u -N deadbeef-lyricsbar/Makefile deadbeef-lyricsbar-makefile/Makefile
--- deadbeef-lyricsbar/Makefile	2018-10-01 21:47:48.319877927 +0200
+++ deadbeef-lyricsbar-makefile/Makefile	2018-10-01 21:48:27.066776299 +0200
@@ -27,7 +27,7 @@
 LIBXML2_LIBS?=`pkg-config --libs libxml-2.0`
 
 CC?=gcc
-CFLAGS+=-Wall -fPIC -std=c99 -D_GNU_SOURCE
+CFLAGS+=-Wall -fPIC -std=c99 -D_GNU_SOURCE $(COPT)
 LDFLAGS+=-shared
 
 GTK2_DIR?=gtk2