diff --git a/makefile b/makefile
index 39060a7..a5d839c 100755
--- a/makefile
+++ b/makefile
@@ -1,4 +1,4 @@
-CFLAGS += -std=c99 -pedantic -g -D_XOPEN_SOURCE=700
+CFLAGS += -std=c99 -pedantic -g
 builddir = bin
 prefix = /usr/local
 exec_prefix = $(prefix)
@@ -6,7 +6,8 @@ bindir = $(exec_prefix)/bin
 mandir = $(prefix)/man
 INSTALLPROGRAM = \install
 
-UTILS = asa basename cat cksum cmp dirname echo expand false head link ln pwd true tty wc
+UTILS = asa basename cat cksum cmp dirname echo expand false head link ln \
+				logname pwd sleep tee true tty uname wc
 
 all: $(UTILS)