Fix freeze on OpenBSD when reading the SECONDARY selection

* configure.ac (NSIG_MINIMUM): OpenBSD doesn't have a broken SIGIO
any more (bug#29170).  Backport fix from the current OpenBSD port
tree.

diff --git a/configure.ac b/configure.ac
index be97d9c8a081c3da7876715f1baa5ead61796c82..eff55915436348e0833d998a891a68fef81e1c11 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4909,7 +4909,7 @@ emacs_broken_SIGIO=no
 
 case $opsys in
   dnl SIGIO exists, but the feature doesn't work in the way Emacs needs.
-  hpux* | nacl | openbsd | solaris | unixware )
+  hpux* | nacl | solaris | unixware )
     emacs_broken_SIGIO=yes
     ;;