Detect C++ language from compiler arguments #175

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ArthurVasseur wants to merge 1 commit into standardese:main

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This PR improves C++ language detection by analyzing compiler arguments.

Before my PR, the language was detected by checking if "++" existed in the compiler name. This approach is incorrect in certain cases.

Lines 232 to 234 in 5329e37

// If ++ exists within the compiler name (e.g. clang++, g++, etc), use C++

std::string exe(clang_getCString(clang_CompileCommand_getArg(cmd, 0)));

use_c_ = (exe.find("++", 0) == std::string::npos);

e.g my build utility xmake is only using clang not clang++ in the compile_commands.json and setting -std=c++20.


 Detect C++ language from compiler arguments

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