From a3eed2c248067f0319cb72bcc8b5e2c7054ea6dc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 05:06:57 +0200 Subject: Adding upstream version 1.20.1. Signed-off-by: Daniel Baumann --- m4/pipe2.m4 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 m4/pipe2.m4 (limited to 'm4/pipe2.m4') diff --git a/m4/pipe2.m4 b/m4/pipe2.m4 new file mode 100644 index 0000000..c081b44 --- /dev/null +++ b/m4/pipe2.m4 @@ -0,0 +1,18 @@ +# pipe2.m4 serial 2 +dnl Copyright (C) 2009-2018 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_FUNC_PIPE2], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + + dnl Persuade glibc to declare pipe2(). + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_CHECK_FUNCS_ONCE([pipe2]) + if test $ac_cv_func_pipe2 != yes; then + HAVE_PIPE2=0 + fi +]) -- cgit v1.2.3