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-rw-r--r--m4/fts.m449
1 files changed, 49 insertions, 0 deletions
diff --git a/m4/fts.m4 b/m4/fts.m4
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--- /dev/null
+++ b/m4/fts.m4
@@ -0,0 +1,49 @@
+#serial 22
+dnl Copyright (C) 2005-2022 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_FTS],
+[
+ gl_FUNC_FTS_CORE
+])
+
+AC_DEFUN([gl_FUNC_FTS_CORE],
+[
+ dnl Prerequisites of lib/fts.c.
+ gl_FUNC_OPENAT
+
+ AC_CHECK_FUNCS_ONCE([fstatfs])
+ AC_CHECK_HEADERS_ONCE([sys/param.h sys/vfs.h])dnl
+ if test "$ac_cv_func_fstatfs,$ac_cv_header_sys_vfs_h" = yes,yes; then
+ AC_CHECK_MEMBERS([struct statfs.f_type], [], [],
+ [[$ac_includes_default
+ #include <sys/vfs.h>
+ ]])
+ if test "$ac_cv_member_struct_statfs_f_type" = yes; then
+ AC_CHECK_TYPES([__fsword_t], [], [],
+ [[$ac_includes_default
+ #include <sys/vfs.h>
+ ]])
+ fi
+ fi
+
+ AC_CHECK_FUNC([fts_open])
+ if test $ac_cv_func_fts_open = yes; then
+ dnl The system already has the symbols fts_open, etc.
+ dnl Avoid conflicts between these symbols and ours at the linker level.
+ AC_DEFINE([fts_open], [rpl_fts_open],
+ [Define to the overridden function name])
+ AC_DEFINE([fts_close], [rpl_fts_close],
+ [Define to the overridden function name])
+ AC_DEFINE([fts_read], [rpl_fts_read],
+ [Define to the overridden function name])
+ AC_DEFINE([fts_set], [rpl_fts_set],
+ [Define to the overridden function name])
+ AC_DEFINE([fts_children], [rpl_fts_children],
+ [Define to the overridden function name])
+ AC_DEFINE([fts_cross_check], [rpl_fts_cross_check],
+ [Define to the overridden function name])
+ fi
+])