--- /tmp/brightnessctl.old/Makefile	2016-11-27 15:53:43.798492921 +0000
+++ /tmp/brightnessctl/Makefile	2016-11-27 16:36:22.599309821 +0000
@@ -1,11 +1,13 @@
-all: brightnessctl
-VERSION=0.1.1
+VERSION = 0.1.1
 DESTDIR ?= /usr/local
-CFLAGS=-ggdb -Wall -Wextra -DVERSION=\"${VERSION}\" -D_GNU_SOURCE
+CFLAGS += -ggdb -Wall -Wextra -DVERSION=\"${VERSION}\" -D_GNU_SOURCE
+LDFLAGS ?=
+
+all: brightnessctl
 
 install: brightnessctl
 	install -d ${DESTDIR}/bin
-	install -m 4711 brightnessctl ${DESTDIR}/bin/
+	install -m 4755 -p brightnessctl ${DESTDIR}/bin/
 
 clean:
 	rm -f brightnessctl