lib: only define ntohll if not already defined

diff --git a/src/lib/fixedpoint.c b/src/lib/fixedpoint.c
index 155fad11e16ffd5f110a7b8d1336fd58b1f4f819..737919cf4dd9080a1660f5b918b817981ddca0b3 100644 (file)
--- a/src/lib/fixedpoint.c
+++ b/src/lib/fixedpoint.c
@@ -28,9 +28,11 @@
 
 #ifdef ENABLE_LLDPMED
 
-#define ntohll(x)                                              \
+#ifndef ntohll
+# define ntohll(x)                                             \
        (((u_int64_t)(ntohl((int)(((x) << 32) >> 32))) << 32) | \
            (unsigned int)ntohl(((int)((x) >> 32))))
+#endif
 
 /**
  * Convert a string to fixed point number.