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d44e3c4f | 1 | /****************************************************************************** |
2 | * Copyright (c) 2000-2016 Ericsson Telecom AB | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * Balasko, Jeno | |
10 | * Beres, Szabolcs | |
11 | * Raduly, Csaba | |
12 | * | |
13 | ******************************************************************************/ | |
970ed795 EL |
14 | /* Write a header that checks the expected version of the compiler. |
15 | * gccversion.c is a bit of a misnomer (also handles the Sun compiler), | |
16 | * but it's shorter than compiler_version.c */ | |
17 | ||
18 | #include <stdio.h> | |
19 | ||
20 | ||
21 | #if defined(__GNUC__) | |
22 | ||
23 | /* clang defines __GNUC__ but also has its own version numbers */ | |
24 | #ifdef __clang__ | |
25 | ||
26 | unsigned int | |
27 | compiler_major = __clang_major__, | |
28 | compiler_minor = __clang_minor__, | |
29 | compiler_patchlevel = __clang_patchlevel__; | |
30 | #define COMPILER_NAME_STRING "clang" | |
31 | ||
32 | #else | |
33 | ||
34 | #define COMPILER_NAME_STRING "GCC" | |
35 | unsigned int compiler_major = __GNUC__, compiler_minor = __GNUC_MINOR__; | |
36 | # ifdef __GNUC_PATCHLEVEL__ | |
37 | unsigned int compiler_patchlevel = __GNUC_PATCHLEVEL__; | |
38 | # else | |
39 | unsigned int compiler_patchlevel = 0; /* GCC below 3.0 */ | |
40 | # endif | |
41 | ||
42 | #endif /* __clang__ */ | |
43 | ||
44 | #elif defined(__SUNPRO_C) || defined(__SUNPRO_CC) | |
45 | /* Just in case it's compiled with the C++ compiler */ | |
46 | # if !defined(__SUNPRO_C) | |
47 | # define __SUNPRO_C __SUNPRO_CC | |
48 | # endif | |
49 | unsigned int compiler_major = (__SUNPRO_C & 0xF00) >> 8; | |
50 | unsigned int compiler_minor = (__SUNPRO_C & 0x0F0) >> 4; | |
51 | unsigned int compiler_patchlevel = (__SUNPRO_C & 0x00F); | |
52 | ||
53 | #else | |
54 | /* unknown compiler */ | |
55 | unsigned int compiler_major = 0, compiler_minor = 0, compiler_patchlevel = 0; | |
56 | #endif | |
57 | ||
58 | int main(void) | |
59 | { | |
60 | puts( | |
61 | "/* Check if the compiler matches the one used to build the runtime */\n" | |
62 | "#ifndef MAKEDEPEND_RUN\n\n"); | |
63 | /* Do not check compiler version when makedepend is being run. | |
64 | * Old Solaris makedepend cannot compute GCC_VERSION. */ | |
65 | #if defined(__GNUC__) | |
66 | printf("\n" | |
67 | #ifdef __clang__ | |
68 | "#if CLANG_VERSION != %d\n" | |
69 | #else | |
70 | "#if GCC_VERSION != %d\n" | |
71 | #endif | |
72 | "#error The version of " COMPILER_NAME_STRING " does not match the expected version (" COMPILER_NAME_STRING " %d.%d.%d)\n" | |
73 | "#endif\n", compiler_major * 10000 + compiler_minor * 100, | |
74 | /* Note that we don't use compiler_patchlevel when checking. | |
75 | * This assumes that code is portable between GCC a.b.x and a.b.y */ | |
76 | compiler_major, compiler_minor, compiler_patchlevel); | |
77 | #elif defined(__SUNPRO_C) | |
78 | printf("\n" | |
79 | "#if __SUNPRO_CC != 0x%X\n" | |
80 | "#error The version of the Sun compiler does not match the expected version.\n" | |
81 | "#endif\n", | |
82 | compiler_major * 0x100 + compiler_minor * 0x10 + compiler_patchlevel); | |
83 | #endif | |
84 | ||
85 | puts("\n#endif\n"); | |
86 | ||
87 | return 0; | |
88 | } |