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Asked: 2026-05-11T07:27:20+00:00

I am currently porting a project with a few hundred code files and dependencies

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I am currently porting a project with a few hundred code files and dependencies onto several third-party libraries to Mac Os. I’ve finally gotten to the point where the program compiles without warnings or errors, but it does not seem to execute my own main function.

Instead it seems to execute some other main function which seems to belong to a third party. This function writes some diagnostic-looking data to the console and exits afterwards:

(gdb) continue Current language:  auto; currently c++ // // This is an automatically generated file. // Do not edit. //  const unsigned short expTable[] = {     0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00,  ...     0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00, 0x3c00,  };  Debugger stopped. Program exited with status value:0.

I can’t use the debugger to find out where this main function resides because, while the stack trace seems valid, gdb doesn’t show me the correct line number and file name for each stack entry (See this unsolved question for details).

The search took several minutes to complete, but did not return any results.

My project is using SDL among other libraries, but I am award of SDL_Main() and the underlying problems and have built my project on top of a perfectly fine working SDL project template. So I am quite sure that my own main function is valid.

Do you have any idea what might be going wrong? I’m currently out of ideas on how to find and remove the rogue main function.

Thanks,

Adrian

EDIT: As I just found out, I made a mistake while searching file files with the string ‘This is an automatically generated’. I just found several dozen files with the same string, all belonging to FreeImage, one of the third party libraries I am using. So, the problem seems to be related to FreeImage, but I am not still not sure how to proceed since I have compiled Freeimage as a library with the enclosed MacOs makefile and included only the library. I will try to rebuild a newer version of FreeImage and see it if that fixed my problem.

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1 Answer

  1. Could it be an initializer for a static object that fails before your main() is called?

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