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-rw-r--r--gnulib-m4/dirfd.m488
1 files changed, 0 insertions, 88 deletions
diff --git a/gnulib-m4/dirfd.m4 b/gnulib-m4/dirfd.m4
deleted file mode 100644
index 605cb706..00000000
--- a/gnulib-m4/dirfd.m4
+++ /dev/null
@@ -1,88 +0,0 @@
-# dirfd.m4
-# serial 30 -*- Autoconf -*-
-dnl Copyright (C) 2001-2006, 2008-2024 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 Find out how to get the file descriptor associated with an open DIR*.
-
-dnl From Jim Meyering
-
-AC_DEFUN([gl_FUNC_DIRFD],
-[
- AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
- AC_REQUIRE([AC_CANONICAL_HOST])
-
- dnl Persuade glibc <dirent.h> to declare dirfd().
- AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
-
- AC_CHECK_FUNCS([dirfd])
- AC_CHECK_DECLS([dirfd], , ,
- [[#include <sys/types.h>
- #include <dirent.h>]])
- if test $ac_cv_have_decl_dirfd = no; then
- HAVE_DECL_DIRFD=0
- fi
-
- AC_CACHE_CHECK([whether dirfd is a macro],
- [gl_cv_func_dirfd_macro],
- [AC_EGREP_CPP([dirent_header_defines_dirfd], [
-#include <sys/types.h>
-#include <dirent.h>
-#ifdef dirfd
- dirent_header_defines_dirfd
-#endif],
- [gl_cv_func_dirfd_macro=yes],
- [gl_cv_func_dirfd_macro=no])])
-
- if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no; then
- HAVE_DIRFD=0
- else
- HAVE_DIRFD=1
- dnl Replace dirfd() on native Windows and OS/2 kLIBC,
- dnl to support fdopendir().
- AC_REQUIRE([gl_DIRENT_DIR])
- if test $DIR_HAS_FD_MEMBER = 0; then
- REPLACE_DIRFD=1
- fi
- fi
-])
-
-dnl Prerequisites of lib/dirfd.c.
-AC_DEFUN([gl_PREREQ_DIRFD],
-[
- AC_CACHE_CHECK([how to get the file descriptor associated with an open DIR*],
- [gl_cv_sys_dir_fd_member_name],
- [
- gl_saved_CFLAGS=$CFLAGS
- for ac_expr in d_fd dd_fd; do
-
- CFLAGS="$CFLAGS -DDIR_FD_MEMBER_NAME=$ac_expr"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
- #include <sys/types.h>
- #include <dirent.h>]],
- [[DIR *dir_p = opendir("."); (void) dir_p->DIR_FD_MEMBER_NAME;]])],
- [dir_fd_found=yes]
- )
- CFLAGS=$gl_saved_CFLAGS
- test "$dir_fd_found" = yes && break
- done
- test "$dir_fd_found" = yes || ac_expr=no_such_member
-
- gl_cv_sys_dir_fd_member_name=$ac_expr
- ]
- )
- if test $gl_cv_sys_dir_fd_member_name != no_such_member; then
- AC_DEFINE_UNQUOTED([DIR_FD_MEMBER_NAME],
- [$gl_cv_sys_dir_fd_member_name],
- [the name of the file descriptor member of DIR])
- fi
- AH_VERBATIM([DIR_TO_FD],
- [#ifdef DIR_FD_MEMBER_NAME
-# define DIR_TO_FD(Dir_p) ((Dir_p)->DIR_FD_MEMBER_NAME)
-#else
-# define DIR_TO_FD(Dir_p) -1
-#endif
-])
-])