39 lines
1 KiB
Text
39 lines
1 KiB
Text
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# serial 46
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# See if we need to use our replacement for Solaris' openat et al functions.
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dnl Copyright (C) 2004-2021 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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# Written by Jim Meyering.
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AC_DEFUN([gl_FUNC_OPENAT],
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[
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AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_FUNCS_ONCE([openat])
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AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
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AC_REQUIRE([gl_PREPROC_O_CLOEXEC])
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case $ac_cv_func_openat+$gl_cv_func_lstat_dereferences_slashed_symlink+$gl_cv_macro_O_CLOEXEC in
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yes+*yes+yes)
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;;
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yes+*)
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# Solaris 10 lacks O_CLOEXEC.
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# Solaris 9 has *at functions, but uniformly mishandles trailing
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# slash in all of them.
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REPLACE_OPENAT=1
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;;
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*)
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HAVE_OPENAT=0
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;;
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esac
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])
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# Prerequisites of lib/openat.c.
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AC_DEFUN([gl_PREREQ_OPENAT],
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[
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AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
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:
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])
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