From bf8ca5f019fa9fd585a7480a3d4198719369df92 Mon Sep 17 00:00:00 2001
From: Peiyuan Song <squallatf@gmail.com>
Date: Wed, 20 Jan 2021 13:33:52 +0900
Subject: 47840: make zpty module work on Cygwin

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 549cae3d6..16dafac05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2460,7 +2460,7 @@ if test x$ac_cv_have_dev_ptmx = xyes -o x$ac_cv_func_posix_openpt = xyes && \
    test x$ac_cv_func_ptsname = xyes; then
    AC_CACHE_CHECK([if /dev/ptmx is usable],
    ac_cv_use_dev_ptmx,
-   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef __linux
+   [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if defined(__linux) || defined(__CYGWIN__)
 #define _GNU_SOURCE 1
 #endif
 #include <stdlib.h>
-- 
cgit 1.4.1