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-rw-r--r--libstdc++-v3/config.h.in3
1 files changed, 0 insertions, 3 deletions
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 8920f2c76b3..72fe7bfa9c2 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -67,9 +67,6 @@
// Define if lrand48 exists.
#undef HAVE_DRAND48
-// Define if isatty exists.
-#undef HAVE_ISATTY
-
// Define if getpagesize exists.
#undef HAVE_GETPAGESIZE