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authorPeiyuan Song <squallatf@gmail.com>2021-01-20 13:33:52 +0900
committerJun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp>2021-01-20 13:33:52 +0900
commitbf8ca5f019fa9fd585a7480a3d4198719369df92 (patch)
tree12fc5dba7c859ff280c8df7b617fea19d72f5696 /configure.ac
parentce0660b7ba283e3208db28a8763796816a587259 (diff)
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47840: make zpty module work on Cygwin
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
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>