From 80a5a3e653f3b10e2680fe2ea9bc511e8801e273 Mon Sep 17 00:00:00 2001
From: Vijay Vasudevan <vrv@google.com>
Date: Tue, 29 Mar 2016 18:23:11 -0800
Subject: Merge changes from github. Change: 118532471

---
 configure | 42 +++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 41 insertions(+), 1 deletion(-)

(limited to 'configure')

diff --git a/configure b/configure
index 0faf61c67b..0a7d697c40 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+DO_NOT_SUBMIT_WARNING="Unofficial setting. DO NOT SUBMIT!!!"
+
 ## Set up python-related environment settings
 while true; do
   fromuser=""
@@ -22,6 +24,16 @@ while true; do
   # Retry
 done
 
+## Find swig path
+if [ -z "$SWIG_PATH" ]; then
+  SWIG_PATH=`type -p swig 2> /dev/null`
+fi
+if [[ ! -e "$SWIG_PATH" ]]; then
+  echo "Can't find swig.  Ensure swig is in \$PATH or set \$SWIG_PATH."
+  exit 1
+fi
+echo "$SWIG_PATH" > tensorflow/tools/swig/swig_path
+
 # Invoke python_config and set up symlinks to python includes
 (./util/python/python_config.sh --setup "$PYTHON_BIN_PATH";) || exit -1
 
@@ -42,6 +54,29 @@ if [ "$TF_NEED_CUDA" == "0" ]; then
   exit
 fi
 
+# Set up which gcc nvcc should use as the host compiler
+while true; do
+  fromuser=""
+  if [ -z "$GCC_HOST_COMPILER_PATH" ]; then
+    default_gcc_host_compiler_path=$(which gcc)
+    read -p "Please specify which gcc nvcc should use as the host compiler. [Default is $default_gcc_host_compiler_path]: " GCC_HOST_COMPILER_PATH
+    fromuser="1"
+    if [ -z "$GCC_HOST_COMPILER_PATH" ]; then
+      GCC_HOST_COMPILER_PATH=$default_gcc_host_compiler_path
+    fi
+  fi
+  if [ -e "$GCC_HOST_COMPILER_PATH" ]; then
+    break
+  fi
+  echo "Invalid gcc path. ${GCC_HOST_COMPILER_PATH} cannot be found" 1>&2
+  if [ -z "$fromuser" ]; then
+    exit 1
+  fi
+  GCC_HOST_COMPILER_PATH=""
+  # Retry
+done
+
+
 # Find out where the CUDA toolkit is installed
 while true; do
   # Configure the Cuda SDK version to use.
@@ -136,6 +171,11 @@ TF_CUDNN_VERSION=$TF_CUDNN_EXT
 
 EOF
 
+# Configure the gcc host compiler to use
+export WARNING=$DO_NOT_SUBMIT_WARNING
+perl -pi -e "s,CPU_COMPILER = \('.*'\),# \$ENV{WARNING}\nCPU_COMPILER = ('$GCC_HOST_COMPILER_PATH'),s" third_party/gpus/crosstool/clang/bin/crosstool_wrapper_driver_is_not_gcc
+perl -pi -e "s,GCC_HOST_COMPILER_PATH = \('.*'\),# \$ENV{WARNING}\nGCC_HOST_COMPILER_PATH = ('$GCC_HOST_COMPILER_PATH'),s" third_party/gpus/crosstool/clang/bin/crosstool_wrapper_driver_is_not_gcc
+
 # Configure the Cuda toolkit version to work with.
 perl -pi -e "s,CUDA_VERSION = \"[0-9\.]*\",CUDA_VERSION = \"$TF_CUDA_EXT\",s" tensorflow/core/platform/default/build_config.bzl
 perl -pi -e "s,(GetCudaVersion.*return )\"[0-9\.]*\",\1\"$TF_CUDA_EXT\",s" tensorflow/stream_executor/dso_loader.cc
@@ -178,7 +218,7 @@ EOF
 done
 
 if [ ! -z "$TF_CUDA_COMPUTE_CAPABILITIES" ]; then
-  export WARNING="Unofficial setting. DO NOT"" SUBMIT!!!"
+  export WARNING=$DO_NOT_SUBMIT_WARNING
   function CudaGenCodeOpts() {
     OUTPUT=""
     for CAPABILITY in $@; do
-- 
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