4 files changed, 9 insertions, 8 deletions
diff --git a/Makefile b/Makefile
index 8652733..d0c9a85 100644
--- a/Makefile
+++ b/Makefile
@@ -3,13 +3,14 @@
 CONFIGFILE = config.mk
 include $(CONFIGFILE)
 
+
 all: slack
 
 slack: slack.o
 	$(CC) -o $@ slack.o $(LDFLAGS)
 
 slack.o: slack.c arg.h
-	$(CC) -c -o $@ $< $(CFLAGS) $(CPPFLAGS)
+	$(CC) -c -o $@ slack.c $(CFLAGS) $(CPPFLAGS)
 
 check:
 	test $$(./slack 1ms ./slack get) = 1ms
@@ -27,18 +28,15 @@ check:
 install: slack
 	mkdir -p -- "$(DESTDIR)$(PREFIX)/bin"
 	mkdir -p -- "$(DESTDIR)$(MANPREFIX)/man1"
-	mkdir -p -- "$(DESTDIR)$(PREFIX)/share/licenses/slack"
 	cp -- slack "$(DESTDIR)$(PREFIX)/bin/"
 	cp -- slack.1 "$(DESTDIR)$(MANPREFIX)/man1/"
-	cp -- LICENSE "$(DESTDIR)$(PREFIX)/share/licenses/slack"
 
 uninstall:
 	-rm -f -- "$(DESTDIR)$(PREFIX)/bin/slack"
 	-rm -f -- "$(DESTDIR)$(MANPREFIX)/man1/slack.1"
-	-rm -rf -- "$(DESTDIR)$(PREFIX)/share/licenses/slack"
 
 clean:
-	-rm -f -- slack *.o
+	-rm -f -- slack *.o *.su
 
 .SUFFIXES:
 
diff --git a/README b/README
index 7c2c508..97aff1d 100644
--- a/README
+++ b/README
@@ -44,4 +44,4 @@ RATIONALE
 	Could be useful increase the performance of your computer.
 
 SEE ALSO
-	nice(1) ionice(1), prctl(2)
+	nice(1), ionice(1), prctl(2)
diff --git a/config.mk b/config.mk
index 9e148ca..aa81003 100644
--- a/config.mk
+++ b/config.mk
@@ -1,6 +1,8 @@
-PREFIX = /usr/local
+PREFIX    = /usr
 MANPREFIX = $(PREFIX)/share/man
 
-CFLAGS   = -std=c99 -Wall -Wextra -O2
+CC = cc
+
 CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700
+CFLAGS   = -std=c99 -Wall -O2
 LDFLAGS  = -s
diff --git a/slack.c b/slack.c
index af4cf58..265255b 100644
--- a/slack.c
+++ b/slack.c
@@ -13,6 +13,7 @@
 #define MS (1000L * 1000L)
 #define S  (1000L * 1000L * 1000L)
 
+
 char *argv0;
 
 static void