squid: add optional dependency on libkrb5

Signed-off-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/squid/squid.mk

@@ -29,7 +29,6 @@ SQUID_CONF_OPTS = \
 	--enable-removal-policies="lru,heap" \
 	--with-filedescriptors=1024 \
 	--disable-ident-lookups \
-	--without-mit-krb5 \
 	--enable-auth-basic="fake getpwnam" \
 	--enable-auth-digest="file" \
 	--enable-auth-negotiate="wrapper" \
@@ -50,6 +49,13 @@ else
 SQUID_CONF_ENV += squid_cv_gnu_atomics=no
 endif
 
+ifeq ($(BR2_PACKAGE_LIBKRB5),y)
+SQUID_CONF_OPTS += --with-mit-krb5
+SQUID_DEPENDENCIES += libkrb5
+else
+SQUID_CONF_OPTS += --without-mit-krb5
+endif
+
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
 SQUID_CONF_OPTS += --with-openssl
 SQUID_DEPENDENCIES += openssl