1 files changed, 1 insertions, 1 deletions
diff --git a/Make.defs b/Make.defs
index 465c9e1..c39353d 100644
--- a/Make.defs
+++ b/Make.defs
@@ -7,7 +7,7 @@ LD = $(CC)
 RM = rm -f
 MKDIR = mkdir -p
 INSTALL = install -c
-CFLAGS = -Wall -g -fPIC -I../../include -I/opt/local/include -O2
+CFLAGS = -Wall -g -fPIC -I../../include -I/opt/local/include -O2 -D_XOPEN_SOURCE=500 -D_SVID_SOURCE
 LDFLAGS = -shared -L/opt/local/lib # -Wl,$(LINKEROPTS)
 LINKEROPTS = 
 LDLIBS = -lpam -lcrypt