do not fail build if MAXSYMLINKS isn't defined

This is needed for, eg, hurd, which is known to have no constraints.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/libbb/xreadlink.c b/libbb/xreadlink.c
index 0bdf394da..bb63da08c 100644
--- a/libbb/xreadlink.c
+++ b/libbb/xreadlink.c
@@ -8,6 +8,12 @@
 
 #include "libbb.h"
 
+/* some systems (eg Hurd) does not have MAXSYMLINKS definition,
+ * set it to some reasonable value if it isn't defined */
+#ifndef MAXSYMLINKS
+# define MAXSYMLINKS 20
+#endif
+
 /*
  * NOTE: This function returns a malloced char* that you will have to free
  * yourself.