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Temporary patch to show the compiler for TCEC submission

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This patch shows a description of the compiler used to compile Stockfish,
when starting from the console.

Usage:

```
./stockfish
compiler
```

Example of output:

```
Stockfish 240919 64 POPCNT by T. Romstad, M. Costalba, J. Kiiski, G. Linscott

Compiled by clang++ 9.0.0 on Apple
 __VERSION__ macro expands to: 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.38)
```

No functional change
This commit is contained in:
Stéphane Nicolet
2019-09-24 19:00:27 +02:00
parent 667d24f227
commit 0436f01d05
3 changed files with 77 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
src/misc.cpp
View File

@@ -144,6 +144,77 @@ const string engine_info(bool to_uci) {
}
/// compiler_info() returns a string trying to describe the compiler we use
const std::string compiler_info() {
#define STRINGIFY2(x) #x
#define STRINGIFY(x) STRINGIFY2(x)
#define VER_STRING(major, minor, patch) STRINGIFY(major) "." STRINGIFY(minor) "." STRINGIFY(patch)
/// Predefined macros hell:
///
/// __GNUC__ Compiler is gcc, Clang or Intel on Linux
/// __INTEL_COMPILER Compiler is Intel
/// _MSC_VER Compiler is MSVC or Intel on Windows
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
std::string compiler = "\nCompiled by ";
#ifdef __clang__
compiler += "clang++ ";
compiler += VER_STRING(__clang_major__, __clang_minor__, __clang_patchlevel__);
#elif __INTEL_COMPILER
compiler += "Intel compiler ";
compiler += "(version ";
compiler += STRINGIFY(__INTEL_COMPILER) " update " STRINGIFY(__INTEL_COMPILER_UPDATE);
compiler += ")";
#elif _MSC_VER
compiler += "MSVC ";
compiler += "(version ";
compiler += STRINGIFY(_MSC_FULL_VER) "." STRINGIFY(_MSC_BUILD);
compiler += ")";
#elif __GNUC__
compiler += "g++ (GNUC) ";
compiler += VER_STRING(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#else
compiler += "Unknown compiler ";
compiler += "(unknown version)";
#endif
#if defined(__APPLE__)
compiler += " on Apple";
#elif defined(__CYGWIN__)
compiler += " on Cygwin";
#elif defined(__MINGW64__)
compiler += " on MinGW64";
#elif defined(__MINGW32__)
compiler += " on MinGW32";
#elif defined(__ANDROID__)
compiler += " on Android";
#elif defined(__linux__)
compiler += " on Linux";
#elif defined(_WIN64)
compiler += " on Microsoft Windows 64-bit";
#elif defined(_WIN32)
compiler += " on Microsoft Windows 32-bit";
#else
compiler += " on unknown system";
#endif
compiler += "\n __VERSION__ macro expands to: ";
#ifdef __VERSION__
compiler += __VERSION__;
#else
compiler += "(undefined macro)";
#endif
compiler += "\n";
return compiler;
}
/// Debug functions used mainly to collect run-time statistics
static std::atomic<int64_t> hits[2], means[2];