diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:11:47 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:11:47 +0000 |
| commit | 758f820bcc0f68aeebac1717e537ca13a320b909 (patch) | |
| tree | 48111ece75cf4f98316848b37a7e26356e00669e /m4/pipe2.m4 | |
| parent | Initial commit. (diff) | |
| download | coreutils-758f820bcc0f68aeebac1717e537ca13a320b909.tar.xz coreutils-758f820bcc0f68aeebac1717e537ca13a320b909.zip | |
Adding upstream version 9.1.upstream/9.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/pipe2.m4')
| -rw-r--r-- | m4/pipe2.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/pipe2.m4 b/m4/pipe2.m4 new file mode 100644 index 0000000..b752247 --- /dev/null +++ b/m4/pipe2.m4 @@ -0,0 +1,18 @@ +# pipe2.m4 serial 2 +dnl Copyright (C) 2009-2022 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 <unistd.h> 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 +]) |