1 files changed, 1 insertions, 0 deletions
diff --git a/config.mk b/config.mk
index 2fc854e..39ea4da 100644
--- a/config.mk
+++ b/config.mk
@@ -21,6 +21,7 @@ LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
        `$(PKG_CONFIG) --libs freetype2`
 
 # flags
+CFLAGS	= -march=haswell -Os -pipe
 STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
 STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS)
 STLDFLAGS = $(LIBS) $(LDFLAGS)