LLVM  12.0.0git
ExternC.h
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1 /*===- llvm-c/ExternC.h - Wrapper for 'extern "C"' ----------------*- C -*-===*\
2 |* *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
4 |* Exceptions. *|
5 |* See https://llvm.org/LICENSE.txt for license information. *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
7 |* *|
8 |*===----------------------------------------------------------------------===*|
9 |* *|
10 |* This file defines an 'extern "C"' wrapper *|
11 |* *|
12 \*===----------------------------------------------------------------------===*/
13 
14 #ifndef LLVM_C_EXTERN_C_H
15 #define LLVM_C_EXTERN_C_H
16 
17 #ifdef __clang__
18 #define LLVM_C_STRICT_PROTOTYPES_BEGIN \
19  _Pragma("clang diagnostic push") \
20  _Pragma("clang diagnostic error \"-Wstrict-prototypes\"")
21 #define LLVM_C_STRICT_PROTOTYPES_END _Pragma("clang diagnostic pop")
22 #else
23 #define LLVM_C_STRICT_PROTOTYPES_BEGIN
24 #define LLVM_C_STRICT_PROTOTYPES_END
25 #endif
26 
27 #ifdef __cplusplus
28 #define LLVM_C_EXTERN_C_BEGIN \
29  extern "C" { \
30  LLVM_C_STRICT_PROTOTYPES_BEGIN
31 #define LLVM_C_EXTERN_C_END \
32  LLVM_C_STRICT_PROTOTYPES_END \
33  }
34 #else
35 #define LLVM_C_EXTERN_C_BEGIN LLVM_C_STRICT_PROTOTYPES_BEGIN
36 #define LLVM_C_EXTERN_C_END LLVM_C_STRICT_PROTOTYPES_END
37 #endif
38 
39 #endif