Re: [Vala] why valac says "error: Failed to execute child process (Exec format error)"

[oyster <lepto python gmail com>]

"valac hello.vala --ccode" generates "hello.c" correctly

however I can't understand how to debug further

2016-06-21 19:37 GMT+08:00 Al Thomas <astavale yahoo co uk>:
> ________________________________
> From: oyster <lepto python gmail com>
> Sent: Tuesday, 21 June 2016, 6:49
> Subject: Re: [Vala] why valac says "error: Failed to execute child process
> (Exec format error)"
>
> $ file $(which valac)
> /opt/windows_32/vala-my-build/bin/valac.exe: PE32 executable for MS
> Windows (console) Intel 80386 32-bit
>
> $ file $(which  pkg-config)
> /opt/windows_32/bin/pkg-config.exe: PE32 executable for MS Windows
> (console) Intel 80386 32-bit
> LOVLJIDY LOVLJIDY-PC ~
>
> $ file $(which gcc)
> /opt/windows_32/bin/gcc.exe: PE32 executable for MS Windows (console)
> Intel 80386 32-bit
>
> $ file /e/msys/opt/windows_32/bin/libglib-2.0-0.dll
> /e/msys/opt/windows_32/bin/libglib-2.0-0.dll: PE32 executable for MS
> Windows (DLL) (console) Intel 80386 32-bit
>
> Well that seems OK.
>
> Now try 'valac hello.vala --ccode' and see if you get the error.
> The --ccode will by pass this block of code:
> https://git.gnome.org/browse/vala/tree/compiler/valacompiler.vala#n468
>
> If you don't get the error then it means the error is in that block
> somwhere.
> There are a number of GLib functions that call out to the operating system.
> These could be causing your error:
> Environment.get_variable ()
> and from
> https://git.gnome.org/browse/vala/tree/codegen/valaccodecompiler.vala#n51
> Process.spawn_command_line_sync ()
> You could try small test Vala programs to see which of those are causing the
> problem.
> As to the solution if Process.spawn_command_line_sync () is not working on
> MSYS
> I don't know. Make the leap to MSYS2 so you are following an active
> packaging system?
>
> Al