Files
Bruno Haible 3b1faeb2e2 Make sure $host and $host_os are defined when used.
* m4/argz.m4 (gl_FUNC_ARGZ): Require AC_CANONICAL_HOST.
* m4/closedir.m4 (gl_FUNC_CLOSEDIR): Likewise.
* m4/csharpexec.m4 (gt_CSHARPEXEC): Likewise.
* m4/dirfd.m4 (gl_FUNC_DIRFD): Likewise.
* m4/expl.m4 (gl_FUNC_EXPL): Likewise.
* m4/ls-mntd-fs.m4 (gl_LIST_MOUNTED_FILE_SYSTEMS): Likewise.
* m4/lstat.m4 (gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK): Likewise.
* m4/opendir.m4 (gl_FUNC_OPENDIR): Likewise.
* m4/poll.m4 (gl_FUNC_POLL): Likewise.
* m4/pselect.m4 (gl_FUNC_PSELECT): Likewise.
* m4/ptsname.m4 (gl_FUNC_PTSNAME): Likewise.
* m4/relocatable.m4 (gl_RELOCATABLE_BODY): Likewise.
* m4/symlinkat.m4 (gl_FUNC_SYMLINKAT): Likewise.
* m4/ceill.m4 (gl_FUNC_CEILL): Require AC_CANONICAL_HOST outside the
m4_ifdef block.
2017-07-10 12:35:06 +02:00

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# opendir.m4 serial 5
dnl Copyright (C) 2011-2017 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.
AC_DEFUN([gl_FUNC_OPENDIR],
[
AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CHECK_FUNCS([opendir])
if test $ac_cv_func_opendir = no; then
HAVE_OPENDIR=0
fi
dnl Replace opendir() for supporting the gnulib-defined fchdir() function,
dnl to keep fchdir's bookkeeping up-to-date.
m4_ifdef([gl_FUNC_FCHDIR], [
gl_TEST_FCHDIR
if test $HAVE_FCHDIR = 0; then
if test $HAVE_OPENDIR = 1; then
REPLACE_OPENDIR=1
fi
fi
])
dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced
dnl by gnulib.
case $host_os,$HAVE_OPENDIR in
os2*,1)
REPLACE_OPENDIR=1;;
esac
])