[Emacs-diffs] emacs-26 6d46fa9: Disable the timerfd interface on Cygwin

[Ken Brown]

branch: emacs-26
commit 6d46fa961c93d435e70b046ef2c400b81934ace8
Author: Ken Brown <address@hidden>
Commit: Ken Brown <address@hidden>

    Disable the timerfd interface on Cygwin
    
    * configure.ac (emacs_cv_have_timerfd): Set to "no" on Cygwin.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index d5e802a..097c3bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4145,6 +4145,10 @@ AC_SUBST(LIBS_TERMCAP)
 AC_SUBST(TERMCAP_OBJ)
 
 # GNU/Linux-specific timer functions.
+# Bug#34618.
+if test "$opsys" = "cygwin"; then
+  emacs_cv_have_timerfd=no
+fi
 AC_CACHE_CHECK([for timerfd interface], [emacs_cv_have_timerfd],
   [AC_COMPILE_IFELSE(
      [AC_LANG_PROGRAM([[#include <sys/timerfd.h>