5 files changed, 33 insertions, 33 deletions
diff --git a/.gitignore b/.gitignore
index d06a542..645a8d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 *.o
 *.swp
+*~
 /dwmclock
 /config.mk
+/compile_commands.json
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..fd08ffe
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,3 @@
+This software is released into the public domain.
+It is provided "as is", without warranties or conditions of any kind.
+Anyone is free to use, modify, redistribute and do anything with this software.
diff --git a/Makefile b/Makefile
index 753018d..5133980 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,19 @@
-include config.mk
+CC?      = cc
+MAIN     = dwmclock
+SRC      = dwmclock.c
+OBJ      = $(SRC:.c=.o)
+CFLAGS  := -std=c99 -Wall -Wextra -pedantic -Os $(shell pkg-config --cflags x11) $(CFLAGS)
+LDFLAGS := $(shell pkg-config --libs x11) $(LDFLAGS)
+
+# install in /usr/local/bin
+DESTDIR ?= /
+PREFIX  ?= /usr/local
 
-MAIN=dwmclock
-SRC=dwmclock.c
-OBJ=$(SRC:.c=.o)
+# install in ~/.local/bin
+#DESTDIR ?= ~
+#PREFIX  ?= /.local
+
+include config.mk
 
 all: $(SRC) $(MAIN)
 
diff --git a/README.md b/README.md
index e7b1e74..bf50b36 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Show the time and current battery charge in the X root window name
 Requirements
 ------------
 
-- Xlib headers
+- libX11
 
 
 Installation
diff --git a/config.def.mk b/config.def.mk
index 0d5d03d..a9dfe19 100644
--- a/config.def.mk
+++ b/config.def.mk
@@ -1,43 +1,27 @@
 # dwmclock settings
 
 # enable battery charge display
-CFLAGS+=-DBATTERY
+CFLAGS += -DBATTERY
 
 # set this to the correct path for your current system
-CFLAGS+=-DENERGY_FULL=\"/sys/class/power_supply/BAT0/energy_full\"
-CFLAGS+=-DENERGY_NOW=\"/sys/class/power_supply/BAT0/energy_now\"
-CFLAGS+=-DSTATUS=\"/sys/class/power_supply/ADP1/online\"
+CFLAGS += -DENERGY_FULL=\"/sys/class/power_supply/BAT0/energy_full\"
+CFLAGS += -DENERGY_NOW=\"/sys/class/power_supply/BAT0/energy_now\"
+CFLAGS += -DSTATUS=\"/sys/class/power_supply/BAT0/status\"
 
 # the string to match when the battery is charging; comment out to disable charging detection
-CFLAGS+=-DCHARGING=\"1\\n\"
+CFLAGS += -DCHARGING=\"Charging\\n\"
 
 # possible alternative on some systems
-#CFLAGS+=-DENERGY_FULL=\"/sys/class/power_supply/BAT0/charge_full\"
-#CFLAGS+=-DENERGY_NOW=\"/sys/class/power_supply/BAT0/charge_now\"
-#CFLAGS+=-DSTATUS=\"/sys/class/power_supply/BAT0/status\"
-#CFLAGS+=-DCHARGING=\"Charging\\n\"
+#CFLAGS += -DENERGY_FULL=\"/sys/class/power_supply/BAT0/charge_full\"
+#CFLAGS += -DENERGY_NOW=\"/sys/class/power_supply/BAT0/charge_now\"
+#CFLAGS += -DSTATUS=\"/sys/class/power_supply/ADP1/online\"
+#CFLAGS += -DCHARGING=\"1\\n\"
 
 # every how many seconds to refresh the battery charge display
-CFLAGS+=-DBAT_REFRESH_SECONDS=10
+CFLAGS += -DBAT_REFRESH_SECONDS=10
 
 # this is here for legacy reasons, ignore it
-CFLAGS+=-DMUL=1
+CFLAGS += -DMUL=1
 
 # sleep to the start of the next second instead of for 1s
-CFLAGS+=-DEXACT_SLEEP
-
-
-# make settings
-
-# default compiler
-CC?=gcc
-
-# compiler flags
-CFLAGS+=-std=c99 -Wall -Wextra -pedantic -Os $(shell pkg-config --cflags x11)
-LDFLAGS+=$(shell pkg-config --libs x11)
-
-# default paths
-DESTDIR?=/
-PREFIX?=/usr/local
-#DESTDIR?=~
-#PREFIX?=/.local
+CFLAGS += -DEXACT_SLEEP