1 files changed, 9 insertions, 2 deletions
diff --git a/config.mk b/config.mk
index eb4100f..ea62250 100644
--- a/config.mk
+++ b/config.mk
@@ -1,8 +1,15 @@
 PREFIX = /usr
 MANPREFIX = $(PREFIX)/share/man
 
-CC = cc
+CC = c99
 
 CPPFLAGS = -D_POSIX_C_SOURCE=199309L
-CFLAGS   = -std=c99 -Wall -O2
+CFLAGS   =
 LDFLAGS  = -s
+
+CLOCK_HEADER_FILE != \
+	if test -r /usr/include/bits/time.h; then \
+		printf '%s\n' /usr/include/bits/time.h; \
+	else \
+		printf '%s\n' /usr/include/linux/time.h; \
+	fi