1// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef Build_hpp
16#define Build_hpp
17
18// Define MEMORY_SANITIZER_ENABLED to 1 if the project was build with the memory
19// sanitizer enabled (-fsanitize=memory).
20#if defined(__SANITIZE_MEMORY__)
21#define MEMORY_SANITIZER_ENABLED 1
22#else // defined(__SANITIZE_MEMORY__)
23#if defined(__clang__)
24#if __has_feature(memory_sanitizer)
25#define MEMORY_SANITIZER_ENABLED 1
26#endif // __has_feature(memory_sanitizer)
27#endif // defined(__clang__)
28#endif // defined(__SANITIZE_MEMORY__)
29
30// MEMORY_SANITIZER_ONLY(X) resolves to X if MEMORY_SANITIZER_ENABLED is defined
31// to a non-zero value, otherwise MEMORY_SANITIZER_ONLY() is stripped by the
32// preprocessor.
33#if MEMORY_SANITIZER_ENABLED
34#define MEMORY_SANITIZER_ONLY(x) x
35#else
36#define MEMORY_SANITIZER_ONLY(x)
37#endif // MEMORY_SANITIZER_ENABLED
38
39#endif // Build_hpp
40