xref: /openbsd/gnu/llvm/llvm/include/llvm-c/ExternC.h (revision 73471bf0)
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_EXTERNC_H
15 #define LLVM_C_EXTERNC_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
40