From 818644c2a946a9d73262ca67b17b98d54856377f Mon Sep 17 00:00:00 2001
From: Derek Murray <mrry@google.com>
Date: Thu, 25 Feb 2016 11:12:03 -0800
Subject: Changed testing::SrcDir() to testing::TensorFlowSourceRoot() and
 fixed it.

Also fixed some compiler warnings.
Change: 115582482
---
 tensorflow/core/platform/posix/test.cc | 14 +++++++++++++-
 tensorflow/core/platform/test.cc       |  1 -
 tensorflow/core/platform/test.h        |  5 +++--
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/tensorflow/core/platform/posix/test.cc b/tensorflow/core/platform/posix/test.cc
index 26218a4953..6f6d41f74f 100644
--- a/tensorflow/core/platform/posix/test.cc
+++ b/tensorflow/core/platform/posix/test.cc
@@ -45,7 +45,7 @@ class PosixSubProcess : public SubProcess {
       // We are in the child process.
       const char* path = argv_[0].c_str();
       const char** argv = new const char*[argv_.size()];
-      for (int i = 1; i < argv_.size(); ++i) {
+      for (size_t i = 1; i < argv_.size(); ++i) {
         argv[i - 1] = argv_[i].c_str();
       }
       argv[argv_.size() - 1] = nullptr;
@@ -177,5 +177,17 @@ int PickUnusedPortOrDie() {
   return 0;
 }
 
+string TensorFlowSrcRoot() {
+  // 'bazel test' sets TEST_SRCDIR
+  const char* env = getenv("TEST_SRCDIR");
+  if (env && env[0] != '\0') {
+    return strings::StrCat(env, "/tensorflow");
+  } else {
+    LOG(WARNING) << "TEST_SRCDIR environment variable not set: "
+                 << "using $PWD/tensorflow as TensorFlowSrcRoot() for tests.";
+    return "tensorflow";
+  }
+}
+
 }  // namespace testing
 }  // namespace tensorflow
diff --git a/tensorflow/core/platform/test.cc b/tensorflow/core/platform/test.cc
index 020c50765f..5ac3b3e629 100644
--- a/tensorflow/core/platform/test.cc
+++ b/tensorflow/core/platform/test.cc
@@ -25,7 +25,6 @@ namespace testing {
 
 #if defined(PLATFORM_GOOGLE) || defined(__ANDROID__)
 string TmpDir() { return FLAGS_test_tmpdir; }
-string SrcDir() { return FLAGS_test_srcdir; }
 int RandomSeed() { return FLAGS_test_random_seed; }
 #else
 string TmpDir() {
diff --git a/tensorflow/core/platform/test.h b/tensorflow/core/platform/test.h
index 73f2f1e272..9f63d8c777 100644
--- a/tensorflow/core/platform/test.h
+++ b/tensorflow/core/platform/test.h
@@ -35,8 +35,9 @@ namespace testing {
 // Return a temporary directory suitable for temporary testing files.
 string TmpDir();
 
-// Returns the source directory containing data dependencies.
-string SrcDir();
+// Returns the path to TensorFlow in the directory containing data
+// dependencies.
+string TensorFlowSrcRoot();
 
 // Return a random number generator seed to use in randomized tests.
 // Returns the same value for the lifetime of the process.
-- 
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