xref: /openbsd-src/gnu/llvm/clang/include/clang-c/ExternC.h (revision e5dd70708596ae51455a0ffa086a00c5b29f8583)
1*e5dd7070Spatrick /*===- clang-c/ExternC.h - Wrapper for 'extern "C"' ---------------*- C -*-===*\
2*e5dd7070Spatrick |*                                                                            *|
3*e5dd7070Spatrick |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4*e5dd7070Spatrick |* Exceptions.                                                                *|
5*e5dd7070Spatrick |* See https://llvm.org/LICENSE.txt for license information.                  *|
6*e5dd7070Spatrick |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
7*e5dd7070Spatrick |*                                                                            *|
8*e5dd7070Spatrick |*===----------------------------------------------------------------------===*|
9*e5dd7070Spatrick |*                                                                            *|
10*e5dd7070Spatrick |* This file defines an 'extern "C"' wrapper.                                 *|
11*e5dd7070Spatrick |*                                                                            *|
12*e5dd7070Spatrick \*===----------------------------------------------------------------------===*/
13*e5dd7070Spatrick 
14*e5dd7070Spatrick #ifndef LLVM_CLANG_C_EXTERN_C_H
15*e5dd7070Spatrick #define LLVM_CLANG_C_EXTERN_C_H
16*e5dd7070Spatrick 
17*e5dd7070Spatrick #ifdef __clang__
18*e5dd7070Spatrick #define LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN                                   \
19*e5dd7070Spatrick   _Pragma("clang diagnostic push")                                             \
20*e5dd7070Spatrick       _Pragma("clang diagnostic error \"-Wstrict-prototypes\"")
21*e5dd7070Spatrick #define LLVM_CLANG_C_STRICT_PROTOTYPES_END _Pragma("clang diagnostic pop")
22*e5dd7070Spatrick #else
23*e5dd7070Spatrick #define LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
24*e5dd7070Spatrick #define LLVM_CLANG_C_STRICT_PROTOTYPES_END
25*e5dd7070Spatrick #endif
26*e5dd7070Spatrick 
27*e5dd7070Spatrick #ifdef __cplusplus
28*e5dd7070Spatrick #define LLVM_CLANG_C_EXTERN_C_BEGIN                                            \
29*e5dd7070Spatrick   extern "C" {                                                                 \
30*e5dd7070Spatrick   LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
31*e5dd7070Spatrick #define LLVM_CLANG_C_EXTERN_C_END                                              \
32*e5dd7070Spatrick   LLVM_CLANG_C_STRICT_PROTOTYPES_END                                           \
33*e5dd7070Spatrick   }
34*e5dd7070Spatrick #else
35*e5dd7070Spatrick #define LLVM_CLANG_C_EXTERN_C_BEGIN LLVM_CLANG_C_STRICT_PROTOTYPES_BEGIN
36*e5dd7070Spatrick #define LLVM_CLANG_C_EXTERN_C_END LLVM_CLANG_C_STRICT_PROTOTYPES_END
37*e5dd7070Spatrick #endif
38*e5dd7070Spatrick 
39*e5dd7070Spatrick #endif
40