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Last change
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Imported grep 3.7 from grep-3.7.tar.gz (sha256: c22b0cf2d4f6bbe599c902387e8058990e1eee99aef333a203829e5fd3dbb342), applying minimal auto-props.
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| 1 | # serial 46
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| 2 | # See if we need to use our replacement for Solaris' openat et al functions.
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| 3 |
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| 4 | dnl Copyright (C) 2004-2021 Free Software Foundation, Inc.
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| 5 | dnl This file is free software; the Free Software Foundation
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| 6 | dnl gives unlimited permission to copy and/or distribute it,
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| 7 | dnl with or without modifications, as long as this notice is preserved.
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| 8 |
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| 9 | # Written by Jim Meyering.
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| 10 |
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| 11 | AC_DEFUN([gl_FUNC_OPENAT],
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| 12 | [
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| 13 | AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
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| 14 | AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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| 15 | AC_CHECK_FUNCS_ONCE([openat])
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| 16 | AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
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| 17 | AC_REQUIRE([gl_PREPROC_O_CLOEXEC])
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| 18 | case $ac_cv_func_openat+$gl_cv_func_lstat_dereferences_slashed_symlink+$gl_cv_macro_O_CLOEXEC in
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| 19 | yes+*yes+yes)
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| 20 | ;;
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| 21 | yes+*)
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| 22 | # Solaris 10 lacks O_CLOEXEC.
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| 23 | # Solaris 9 has *at functions, but uniformly mishandles trailing
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| 24 | # slash in all of them.
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| 25 | REPLACE_OPENAT=1
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| 26 | ;;
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| 27 | *)
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| 28 | HAVE_OPENAT=0
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| 29 | ;;
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| 30 | esac
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| 31 | ])
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| 32 |
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| 33 | # Prerequisites of lib/openat.c.
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| 34 | AC_DEFUN([gl_PREREQ_OPENAT],
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| 35 | [
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| 36 | AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
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| 37 | :
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| 38 | ])
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