libiproute: band-aid for old uclibc missing IFA_FLAGS

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 91fabb1fd..dfd84c000 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -21,10 +21,15 @@
 #define IFF_LOWER_UP  0x10000  /* driver signals L1 up */
 #endif
 
+/* for old uclibc */
 #ifndef IFA_F_NOPREFIXROUTE
 # define IFA_FLAGS           8
-/* ifa_flags */
 # define IFA_F_NOPREFIXROUTE 0x200
+enum { /* can't do this with preporcessor, IFA_MAX is an (enum - 1), not preprocessor constant */
+        REAL_IFA_MAX = (IFA_MAX >= IFA_FLAGS) ? IFA_MAX : IFA_FLAGS,
+};
+# undef IFA_MAX
+# define IFA_MAX REAL_IFA_MAX
 #endif
 
 struct filter_t {