Re: [Tinycc-devel] Win32: TinyC subsystem GUI

[grischka]

Timo VJ Lähde wrote:
> If i compile test-gui.c with this commandline:
> tcc.exe test-gui.c -nostdlib -Wl,--subsystem,gui
>
> test-gui.exe is still commandline program PE_EXE and
> it does not follow pe.subsystem value that should be 2 PE_GUI
> and should use _winstart startpoint.

Well, maybe the "-Wl,--subsystem,gui" switch does not work, but how
does the patch below fix this?

--- grischka

> --- test-gui.c ---
> int _winstart(void)
> {
> return 0;
> }
> --------------------------------------------------------
> With this patch it's possible to use _winstart without runtime libraries:
> tcc.exe test-gui.c -nostdlib
> --------------------------------------------------------
> --- a\tccpe.c Thu Jan 14 22:00:04 2010
> +++ b\tccpe.c Wed Mar 10 19:29:23 2010
> @@ -1730,7 +1730,8 @@
>     unsigned long addr = 0;
>     int pe_type = 0;
>
> -    if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16")))
> +    if (find_elf_sym(symtab_section, PE_STDSYM("WinMain","@16"))
> +        || find_elf_sym(symtab_section, "_winstart"))
>         pe_type = PE_GUI;
>     else
>     if (TCC_OUTPUT_DLL == s1->output_type) {
> --------------------------------------------------------
>
>
>
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