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-rw-r--r--package/switch/src/switch-robo.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c
index 5bcd85bd15..28d8de326b 100644
--- a/package/switch/src/switch-robo.c
+++ b/package/switch/src/switch-robo.c
@@ -62,6 +62,10 @@
#define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
#define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
+/* linux 2.4 does not have 'bool' */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#define bool int
+#endif
/* Data structure for a Roboswitch device. */
struct robo_switch {