renamed from inttypes_h.m4

[gnulib.git] / m4 / rename.m4

diff --git a/m4/rename.m4 b/m4/rename.m4
index 95117d0..41359ce 100644 (file)
--- a/m4/rename.m4
+++ b/m4/rename.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 3
 
 dnl From Volker Borchert.
 dnl Determine whether rename works for source paths with a trailing slash.
@@ -8,28 +8,28 @@ dnl If it doesn't, then define RENAME_TRAILING_SLASH_BUG and arrange
 dnl to compile the wrapper function.
 dnl
 
-AC_DEFUN(vb_FUNC_RENAME,
+AC_DEFUN([vb_FUNC_RENAME],
 [
  AC_CACHE_CHECK([whether rename is broken],
   vb_cv_func_rename_trailing_slash_bug,
   [
-    if mkdir conftestdir; then
-      vb_cv_func_rename_trailing_slash_bug=no
-    else
-      AC_TRY_RUN([
-#         include <stdio.h>
-          int
-          main ()
-          {
-            exit (rename ("conftestdir/", "conftestdir2") ? 1 : 0);
-          }
-       ],
-       vb_cv_func_rename_trailing_slash_bug=no,
-       vb_cv_func_rename_trailing_slash_bug=yes,
-       dnl When crosscompiling, assume rename is broken.
-       vb_cv_func_rename_trailing_slash_bug=yes)
-      rm -rf conftestdir conftestdir2
-    fi
+    rm -rf conftest.d1 conftest.d2
+    mkdir conftest.d1 ||
+      AC_MSG_ERROR([cannot create temporary directory])
+    AC_TRY_RUN([
+#       include <stdio.h>
+        int
+        main ()
+        {
+          exit (rename ("conftest.d1/", "conftest.d2") ? 1 : 0);
+        }
+      ],
+      vb_cv_func_rename_trailing_slash_bug=no,
+      vb_cv_func_rename_trailing_slash_bug=yes,
+      dnl When crosscompiling, assume rename is broken.
+      vb_cv_func_rename_trailing_slash_bug=yes)
+
+      rm -rf conftest.d1 conftest.d2
   ])
   if test $vb_cv_func_rename_trailing_slash_bug = yes; then
     AC_LIBOBJ(rename)