X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=m4%2Fopendir.m4;fp=m4%2Fopendir.m4;h=08da440b387df87b65611f4bacfa04de90acef60;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=0000000000000000000000000000000000000000;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip

diff --git a/m4/opendir.m4 b/m4/opendir.m4
new file mode 100644
index 0000000..08da440
--- /dev/null
+++ b/m4/opendir.m4
@@ -0,0 +1,25 @@
+# opendir.m4 serial 2
+dnl Copyright (C) 2011-2012 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_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
+  ])
+])