Small changes to get things building and running on Linux/ARM.

tests/GrBinHashKeyTest.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This is a GPU-backend specific test
 #if SK_SUPPORT_GPU
 
 #include "GrMurmur3HashKey.h"
 #include "GrBinHashKey.h"
 
 #include "Test.h"
 
+struct AlignedKey {
+    uint32_t align;
+    char key[8];
+};
+
 template<typename KeyType> static void TestHash(skiatest::Reporter* reporter) {
-    const char* testStringA_ = "abcdABCD";
-    const char* testStringB_ = "abcdBBCD";
-    const uint32_t* testStringA = reinterpret_cast<const uint32_t*>(testStringA_);
-    const uint32_t* testStringB = reinterpret_cast<const uint32_t*>(testStringB_);
+    AlignedKey a, b;
+    memcpy(&a.key, "abcdABCD", 8);
+    memcpy(&b.key, "abcdBBCD", 8);
+    const uint32_t* testStringA = reinterpret_cast<const uint32_t*>(&a.key);
+    const uint32_t* testStringB = reinterpret_cast<const uint32_t*>(&b.key);
 
     KeyType keyA;
     keyA.setKeyData(testStringA);
     // test copy constructor and comparison
     KeyType keyA2(keyA);
     REPORTER_ASSERT(reporter, keyA == keyA2);
     REPORTER_ASSERT(reporter, keyA.getHash() == keyA2.getHash());
     // test re-init
     keyA2.setKeyData(testStringA);
     REPORTER_ASSERT(reporter, keyA == keyA2);
     REPORTER_ASSERT(reporter, keyA.getHash() == keyA2.getHash());
     // test sorting
     KeyType keyB;
     keyB.setKeyData(testStringB);
     REPORTER_ASSERT(reporter, keyA.getHash() != keyB.getHash());
 }
 
 
 DEF_TEST(GrBinHashKey, reporter) {
     enum {
         kDataLenUsedForKey = 8
     };
 
     TestHash<GrBinHashKey<kDataLenUsedForKey> >(reporter);
     TestHash<GrMurmur3HashKey<kDataLenUsedForKey> >(reporter);
 }
 
 #endif