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- Subject: Compiling a project with '-ansi'
- From: Niccolo Medici <niccolomedici@...>
- Date: Wed, 31 Aug 2016 19:29:46 +0300
In a project I'm writing I want to ensure my C code doesn't use
newfangled features, so I compile it with `-ansi` (or `-std=c90`). I'm
However, in this mode the compiler emits an error:
error: #error "Compiler does not support 'long long'. Use option
or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"
What should I do?
The Lua library on my system (liblua5.3.so) is precompiled with 64
bits integers. I don't want to ship Lua together with my project. So I
want Lua's header files to define integers as 64 bits (to match the
installed Lua library). But if I add '-DLUA_32BITS' or
'-DLUA_C89_NUMBERS' to my CFLAGS, as the error message advises,
there'd be a mismatch between the Lua headers and my system's