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-rw-r--r--gl/m4/readdir.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/gl/m4/readdir.m4 b/gl/m4/readdir.m4
new file mode 100644
index 0000000..81337e2
--- /dev/null
+++ b/gl/m4/readdir.m4
@@ -0,0 +1,21 @@
+# readdir.m4 serial 2
+dnl Copyright (C) 2011-2023 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.
+
+AC_DEFUN([gl_FUNC_READDIR],
+[
+ AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+ AC_CHECK_FUNCS([readdir])
+ if test $ac_cv_func_readdir = no; then
+ HAVE_READDIR=0
+ else
+ dnl Replace readdir() on native Windows, to support fdopendir().
+ AC_REQUIRE([gl_DIRENT_DIR])
+ if test $DIR_HAS_FD_MEMBER = 0; then
+ REPLACE_READDIR=1
+ fi
+ fi
+])