Compiling a fat executable with gcc

This is not essential for my programs, but merely out of curiosity. 开发者_运维技巧Is it possible to, preferably using gcc, compile a 'fat' binary for Linux including multiple architectures such as combinations of amd64, i386, lpia and powerpc?

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The ELF format for executables that linux uses does not support fat binaries, so there's currently not a reasonable way to do this.

There's an extension to ELF available at http://icculus.org/fatelf/ , to use it you need to patch various parts (linux kernel,binutils,glibc etc.) as these changes are not integrated in the mainline yet.

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You don't need a fat executable in Linux. Instead, you can write a bash script that will choose and execute the correct binary.