Re: [Tinycc-devel] Fail to build binaries when an object file is compiled by clang or gcc on arm mac

[Herman ten Brugge]

On 2/22/23 08:36, Levo D wrote:
> I tried creating an account so I can submit a bug report but I didn't receive a 
> confirmation email. tcc fails to build binaries when an object file is compiled 
> by clang or gcc on arm mac
>
> Using todays build of tcc I confirmed this problem on ARM mac 
> (bdec3c534583066cf097543f265ad620a8baa30d, tcc version 0.9.27 mob:bdec3c5 
> 2023-02-03T18:04:56+01:00 (AArch64 Darwin), built using "./configure 
> --config-new_macho --config-codesign")
>
> Compile the below using `-c a.c` on either clang or gcc. I tried with Apple 
> clang version 14.0.0 (clang-1400.0.29.202) and gcc version 12.2.0 (Homebrew GCC 
> 12.2.0)
>
> //a.c
> int get() { return 1; }
>
> Then compile the below using `tcc -g b.c a.o`. You get an "unrecognized file 
> type" error. Following these steps on linux will create a working binary
>
> a.o: error: a.o: unrecognized file type
>
> //b.c
> int get();
> int main() {
>         return get();
> }
This is expected. The object files that tcc generates and read are in 
elf format and not in macos format.
The reason is that macos differs a lot from elf format and it is 
difficult to implement this in tcc.
The output executable/dll is in macos format.