Which option should be enabled in gcc to generate 16-bit or 32-bit or 64-bit object code ? Are there separate options for generating each of the above object code type ?
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Which option should be enabled in gcc to generate 16-bit or 32-bit or 64-bit object code ? Are there separate options for generating each of the above object code type ?
The bitness of the generated object code is determined by the target architecture selected when gcc was built. If you want to build for a different platform, you should build a cross compiler for your desired target platform.
Note, however, that GCC does not support 16-bit x86, and that if both 32-bit and 64-bit x86 compilers are installed, as an exception, you can use
-m32or-m64to select the desired target format.