--- a/contrib/slapd-modules/smbk5pwd/Makefile
+++ b/contrib/slapd-modules/smbk5pwd/Makefile
@@ -21,16 +21,23 @@
 SSL_INC = 
 SSL_LIB = -lcrypto
 
-HEIMDAL_INC = -I/usr/heimdal/include
-HEIMDAL_LIB = -L/usr/heimdal/lib -lkrb5 -lkadm5srv
+#HEIMDAL_INC = -I/usr/heimdal/include
+#HEIMDAL_LIB = -L/usr/heimdal/lib -lkrb5 -lkadm5srv
+KRB5_INC = $(HEIMDAL_INC)
+KRB5_LIB = $(HEIMDAL_LIB) -lkrb5 -lkadm5srv
 
 LIBTOOL = $(LDAP_BUILD)/libtool
 CC = gcc
-OPT = -g -O2 -Wall
+#OPT = -g -O2 -Wall
+OPT = -Wall
 # Omit DO_KRB5, DO_SAMBA or DO_SHADOW if you don't want to support it.
-DEFS = -DDO_KRB5 -DDO_SAMBA -DDO_SHADOW
-INCS = $(LDAP_INC) $(HEIMDAL_INC) $(SSL_INC)
-LIBS = $(LDAP_LIB) $(HEIMDAL_LIB) $(SSL_LIB)
+#DEFS = -DDO_KRB5 -DDO_SAMBA -DDO_SHADOW
+INCS = $(LDAP_INC) $(KRB5_INC) $(SSL_INC)
+ifneq (DDO_KRB5,$(findstring DDO_KRB5,$(DEFS)))
+	LIBS=$(LDAP_LIB) $(SSL_LIB)
+else
+	LIBS=$(LDAP_LIB) $(KRB5_LIB) $(SSL_LIB)
+endif
 
 PROGRAMS = smbk5pwd.la
 LTVER = 0:0:0
@@ -46,12 +53,12 @@
 .SUFFIXES: .c .o .lo
 
 .c.lo:
-	$(LIBTOOL) --mode=compile $(CC) $(OPT) $(DEFS) $(INCS) -c $<
+	$(LIBTOOL) --mode=compile $(CC) $(OPT) $(CFLAGS) $(DEFS) $(INCS) -c $<
 
 all: $(PROGRAMS)
 
 smbk5pwd.la:	smbk5pwd.lo
-	$(LIBTOOL) --mode=link $(CC) $(OPT) -version-info $(LTVER) \
+	$(LIBTOOL) --mode=link $(CC) $(OPT) $(CFLAGS) -version-info $(LTVER) \
 	-rpath $(moduledir) -module -o $@ $? $(LIBS)
 
 clean: