Ignore the sign mismatch warning when sbr/dtimep.c is built with

flex 2.5.36 or 2.5.37.

diff --git a/docs/contrib/build_nmh b/docs/contrib/build_nmh
index f17b240fb1d2ffbc163190e1f4b8d7b4261fcb46..0b9e582ea3b520d8d8e9d04cb35b92436a220571 100755 (executable)
--- a/docs/contrib/build_nmh
+++ b/docs/contrib/build_nmh
@@ -308,7 +308,9 @@ if [ $status -eq 0 ]; then
 fi
 
 grep 'Error' "$logfile"
 fi
 
 grep 'Error' "$logfile"

-grep 'warn' "$logfile"
+#### Ignore the warning when sbr/dtimep.c is built with flex 2.5.36
+#### or 2.5.37.
+grep 'warn' "$logfile" | grep -v 'sbr/dtimep.c:.*-Wsign-compare'

 if [ $status -ne 0 ]; then
   echo build failed!
   echo build log is in "$logfile"
 if [ $status -ne 0 ]; then
   echo build failed!
   echo build log is in "$logfile"