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59
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1 // https://sourceforge.net/p/predef/wiki/Compilers/
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2
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57
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3 #include <stdio.h>
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4
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5 int main()
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6 {
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60
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7 printf("\nHello world!\n\n");
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59
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8
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9 #ifdef NDEBUG
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10 printf("This is a release build.\n");
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11 #else
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12 printf("This is a debug build.\n");
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13 #endif
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14
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60
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15 #if defined(__MINGW64__)
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59
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16 printf("This build was compiled using MinGW64.\n");
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60
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17 #elif defined(__MINGW32__)
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59
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18 printf("This build was compiled using MinGW32.\n");
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19 #elif defined(__GNUC__)
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20 printf("This build was compiled using gcc.\n");
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21 #elif defined(__clang__)
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22 printf("This build was compiled using clang.\n");
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23 #elif defined(_MSC_VER)
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24 printf("This build was compiled using Microsoft Visual Studio version %04d.\n", _MSC_VER);
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25 #else
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26 printf("WARNING: Unknown compiler.\n");
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27 #endif
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28
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29
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60
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30 #if defined(_WIN64)
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31 printf("Running under Windows 64bit.\n");
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32 #elif defined(_WIN32)
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33 printf("Running under Windows 32bit.\n");
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34 #elif defined(__linux__)
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35 printf("Running under Linux.\n");
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36 #elif defined(__APPLE__) && defined(__MACH__)
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37 printf("Running under Apple OS X.\n");
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38 #else
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39 printf("WARNING: Unknown operating system.\n");
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40 #endif
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41
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42
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43 printf("\n");
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44
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57
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45 return 0;
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46 }
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