Provide a fallback version of fts(3) for systems lacking it.

I chose the OpenBSD version because it apparently contains various
bugfixes that never made it into libnbcompat.  To reduce size and
complexity, i stripped out the features we don't need.

1 files changed, 1 insertions, 0 deletions

diff --git a/configure b/configure
index 5b987ebe..71c3517b 100755
--- a/configure
+++ b/configure
@@ -33,6 +33,7 @@ cat config.h.pre
 echo
 echo "#define VERSION \"${VERSION}\""
 runtest fgetln FGETLN
+runtest fts FTS
 runtest getsubopt GETSUBOPT
 runtest mmap MMAP
 runtest ohash OHASH "${DBLIB}"