80 lines
3.1 KiB
Plaintext
80 lines
3.1 KiB
Plaintext
|
# dirent_h.m4 serial 19
|
||
|
|
dnl Copyright (C) 2008-2023 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.
|
||
|
|
|
||
|
|
dnl Written by Bruno Haible.
|
||
|
|
|
||
|
|
AC_DEFUN_ONCE([gl_DIRENT_H],
|
||
|
|
[
|
||
|
|
dnl Ensure to expand the default settings once only, before all statements
|
||
|
|
dnl that occur in other macros.
|
||
|
|
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
|
||
|
|
|
||
|
|
dnl <dirent.h> is always overridden, because of GNULIB_POSIXCHECK.
|
||
|
|
gl_CHECK_NEXT_HEADERS([dirent.h])
|
||
|
|
if test $ac_cv_header_dirent_h = yes; then
|
||
|
|
HAVE_DIRENT_H=1
|
||
|
|
else
|
||
|
|
HAVE_DIRENT_H=0
|
||
|
|
fi
|
||
|
|
AC_SUBST([HAVE_DIRENT_H])
|
||
|
|
|
||
|
|
dnl Check for declarations of anything we want to poison if the
|
||
|
|
dnl corresponding gnulib module is not in use.
|
||
|
|
gl_WARN_ON_USE_PREPARE([[#include <dirent.h>
|
||
|
|
]], [alphasort closedir dirfd fdopendir opendir readdir rewinddir scandir])
|
||
|
|
])
|
||
|
|
|
||
|
|
# gl_DIRENT_MODULE_INDICATOR([modulename])
|
||
|
|
# sets the shell variable that indicates the presence of the given module
|
||
|
|
# to a C preprocessor expression that will evaluate to 1.
|
||
|
|
# This macro invocation must not occur in macros that are AC_REQUIREd.
|
||
|
|
AC_DEFUN([gl_DIRENT_MODULE_INDICATOR],
|
||
|
|
[
|
||
|
|
dnl Ensure to expand the default settings once only.
|
||
|
|
gl_DIRENT_H_REQUIRE_DEFAULTS
|
||
|
|
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
|
||
|
|
dnl Define it also as a C macro, for the benefit of the unit tests.
|
||
|
|
gl_MODULE_INDICATOR_FOR_TESTS([$1])
|
||
|
|
])
|
||
|
|
|
||
|
|
# Initializes the default values for AC_SUBSTed shell variables.
|
||
|
|
# This macro must not be AC_REQUIREd. It must only be invoked, and only
|
||
|
|
# outside of macros or in macros that are not AC_REQUIREd.
|
||
|
|
AC_DEFUN([gl_DIRENT_H_REQUIRE_DEFAULTS],
|
||
|
|
[
|
||
|
|
m4_defun(GL_MODULE_INDICATOR_PREFIX[_DIRENT_H_MODULE_INDICATOR_DEFAULTS], [
|
||
|
|
gl_UNISTD_H_REQUIRE_DEFAULTS dnl for REPLACE_FCHDIR
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OPENDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_READDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REWINDDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CLOSEDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_DIRFD])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FDOPENDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SCANDIR])
|
||
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ALPHASORT])
|
||
|
|
])
|
||
|
|
m4_require(GL_MODULE_INDICATOR_PREFIX[_DIRENT_H_MODULE_INDICATOR_DEFAULTS])
|
||
|
|
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
|
||
|
|
])
|
||
|
|
|
||
|
|
AC_DEFUN([gl_DIRENT_H_DEFAULTS],
|
||
|
|
[
|
||
|
|
dnl Assume proper GNU behavior unless another module says otherwise.
|
||
|
|
HAVE_OPENDIR=1; AC_SUBST([HAVE_OPENDIR])
|
||
|
|
HAVE_READDIR=1; AC_SUBST([HAVE_READDIR])
|
||
|
|
HAVE_REWINDDIR=1; AC_SUBST([HAVE_REWINDDIR])
|
||
|
|
HAVE_CLOSEDIR=1; AC_SUBST([HAVE_CLOSEDIR])
|
||
|
|
HAVE_DECL_DIRFD=1; AC_SUBST([HAVE_DECL_DIRFD])
|
||
|
|
HAVE_DECL_FDOPENDIR=1;AC_SUBST([HAVE_DECL_FDOPENDIR])
|
||
|
|
HAVE_FDOPENDIR=1; AC_SUBST([HAVE_FDOPENDIR])
|
||
|
|
HAVE_SCANDIR=1; AC_SUBST([HAVE_SCANDIR])
|
||
|
|
HAVE_ALPHASORT=1; AC_SUBST([HAVE_ALPHASORT])
|
||
|
|
REPLACE_OPENDIR=0; AC_SUBST([REPLACE_OPENDIR])
|
||
|
|
REPLACE_CLOSEDIR=0; AC_SUBST([REPLACE_CLOSEDIR])
|
||
|
|
REPLACE_DIRFD=0; AC_SUBST([REPLACE_DIRFD])
|
||
|
|
REPLACE_FDOPENDIR=0; AC_SUBST([REPLACE_FDOPENDIR])
|
||
|
|
])
|