Fix cudnn filename in configure script. (#7237)

* Fix cudnn filename in configure script.

* Revert unwanted change to build_config.bzl.

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 51c25c2451..62db930860 100755
--- a/configure
+++ b/configure
@@ -359,7 +359,7 @@ while true; do
       TF_CUDNN_VERSION=${BASH_REMATCH[1]}
       echo "libcudnn.so resolves to libcudnn${TF_CUDNN_EXT}"
     elif [[ "$REALVAL" =~ ([0-9]*).dylib ]]; then
-      TF_CUDNN_EXT=${BASH_REMATCH[1]}".dylib"
+      TF_CUDNN_EXT="."${BASH_REMATCH[1]}".dylib"
       TF_CUDNN_VERSION=${BASH_REMATCH[1]}
       echo "libcudnn.dylib resolves to libcudnn${TF_CUDNN_EXT}"
     fi