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I am trying to catch an exception and get the line and source file where the error occurred. I was using __throwLineNumber and __throwFileName and it compiles, but I am receiving linker errors:

[ilink32 Error] Error: '__ThrowFileName()' unresolved
[ilink32 Error] Error: '__ThrowLineNumber()' unresolved
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  • Are you doing what the documentation says? "To get the line number for a thrown exception with __throwLineNumber, you must compile the module with the -xp compiler option." Also, C++Builder has several different C++ compilers, which one are you actually using? The __throwFileName documentation says: "Note: This function is only available for classic Win32 compiler."
    – Remy Lebeau
    Commented Jul 5 at 21:02
  • I am using C++ Builder 12. Yes I was using -xp compiler option and set it to build a Win32 executable. What should be used for 64 bit executable ?
    – user6604390
    Commented Jul 5 at 23:33
  • C++Builder 12 has 7 C++ compilers, which one(s) are you targeting (ie what platform(s) are you compiling for)? You should edit your question to include your project's configuration. I don't think these macros are available for 64bit, but I would have to try it.
    – Remy Lebeau
    Commented Jul 6 at 4:09
  • I had to select use classic borland compiler and activate locations in exception settings. I was using bcc32c.
    – user6604390
    Commented Jul 6 at 14:22
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