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220a9ecba1
This incorporates: 2018-01-01 maint: Run 'make update-copyright' 2017-12-29 Add cross-compilation results for GNU/Hurd. 2017-12-12 explicit_bzero: port to macOS + Clang 9.0.0
65 lines
2.5 KiB
Plaintext
65 lines
2.5 KiB
Plaintext
# dirent_h.m4 serial 16
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dnl Copyright (C) 2008-2018 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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dnl Written by Bruno Haible.
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AC_DEFUN([gl_DIRENT_H],
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[
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
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dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK.
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gl_CHECK_NEXT_HEADERS([dirent.h])
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if test $ac_cv_header_dirent_h = yes; then
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HAVE_DIRENT_H=1
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else
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HAVE_DIRENT_H=0
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fi
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AC_SUBST([HAVE_DIRENT_H])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[#include <dirent.h>
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]], [alphasort closedir dirfd fdopendir opendir readdir rewinddir scandir])
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])
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AC_DEFUN([gl_DIRENT_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_DIRENT_H_DEFAULTS],
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[
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AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
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GNULIB_OPENDIR=0; AC_SUBST([GNULIB_OPENDIR])
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GNULIB_READDIR=0; AC_SUBST([GNULIB_READDIR])
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GNULIB_REWINDDIR=0; AC_SUBST([GNULIB_REWINDDIR])
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GNULIB_CLOSEDIR=0; AC_SUBST([GNULIB_CLOSEDIR])
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GNULIB_DIRFD=0; AC_SUBST([GNULIB_DIRFD])
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GNULIB_FDOPENDIR=0; AC_SUBST([GNULIB_FDOPENDIR])
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GNULIB_SCANDIR=0; AC_SUBST([GNULIB_SCANDIR])
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GNULIB_ALPHASORT=0; AC_SUBST([GNULIB_ALPHASORT])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_OPENDIR=1; AC_SUBST([HAVE_OPENDIR])
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HAVE_READDIR=1; AC_SUBST([HAVE_READDIR])
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HAVE_REWINDDIR=1; AC_SUBST([HAVE_REWINDDIR])
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HAVE_CLOSEDIR=1; AC_SUBST([HAVE_CLOSEDIR])
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HAVE_DECL_DIRFD=1; AC_SUBST([HAVE_DECL_DIRFD])
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HAVE_DECL_FDOPENDIR=1;AC_SUBST([HAVE_DECL_FDOPENDIR])
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HAVE_FDOPENDIR=1; AC_SUBST([HAVE_FDOPENDIR])
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HAVE_SCANDIR=1; AC_SUBST([HAVE_SCANDIR])
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HAVE_ALPHASORT=1; AC_SUBST([HAVE_ALPHASORT])
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REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR])
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REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR])
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REPLACE_DIRFD=0; AC_SUBST([REPLACE_DIRFD])
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REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR])
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])
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