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view m4/mkfifoat.m4 @ 40189:3ba41edecde6

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progreloc: Speed up executable lookup on various platforms. * lib/progreloc.c: Include <errno.h>. (safe_read, full_read): New functions. (find_executable): On GNU/kFreeBSD, FreeBSD, DragonFly, NetBSD, Solaris, prefer the information from the /proc file system to a PATH search.
author Bruno Haible <bruno@clisp.org>
date Tue, 19 Feb 2019 21:42:54 +0100
parents b06060465f09
children
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# serial 3
# See if we need to provide mkfifoat/mknodat replacement.

dnl Copyright (C) 2009-2019 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.

# Written by Eric Blake.

AC_DEFUN([gl_FUNC_MKFIFOAT],
[
  AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  AC_REQUIRE([gl_FUNC_OPENAT])
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
  AC_CHECK_FUNCS_ONCE([mkfifoat mknodat])
  if test $ac_cv_func_mkfifoat = no; then
    # No known system has mkfifoat but not mknodat
    HAVE_MKFIFOAT=0
    HAVE_MKNODAT=0
  fi
])