Adding upstream version 9.4.upstream/9.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/m4/tcgetattr.m4 b/m4/tcgetattr.m4
new file mode 100644
index 0000000..2d55805
--- /dev/null
+++ b/m4/tcgetattr.m4
@@ -0,0 +1,29 @@
+# tcgetattr.m4 serial 1
+dnl Copyright (C) 2002-2023 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_HAVE_TCGETATTR],
+[
+  dnl We can't use AC_CHECK_FUNC here, because tcgetattr() is defined as a
+  dnl static inline function when compiling for Android 4.4 or older.
+  AC_CACHE_CHECK([for tcgetattr], [gl_cv_func_tcgetattr],
+    [AC_LINK_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[#include <termios.h>
+            struct termios x;
+          ]],
+          [[return tcgetattr(0,&x);]])
+       ],
+       [gl_cv_func_tcgetattr=yes],
+       [gl_cv_func_tcgetattr=no])
+    ])
+  if test $gl_cv_func_tcgetattr = yes; then
+    HAVE_TCGETATTR=1
+  else
+    HAVE_TCGETATTR=0
+  fi
+  AC_DEFINE_UNQUOTED([HAVE_TCGETATTR], [$HAVE_TCGETATTR],
+    [Define to 1 if the system has the 'tcgetattr' function.])
+])