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-rw-r--r--configure.ac6
1 files changed, 0 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac
index 043aed5b369a..55e6191cfafa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -134,12 +134,6 @@ AC_CHECK_HEADERS([sys/personality.h])
 AC_CHECK_HEADERS([linux/fs.h])
 
 
-# Check for tr1/unordered_set.
-AC_LANG_PUSH(C++)
-AC_CHECK_HEADERS([tr1/unordered_set])
-AC_LANG_POP(C++)
-
-
 AC_DEFUN([NEED_PROG],
 [
 AC_PATH_PROG($1, $2)