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

[Dmitry Golovin <dima golovin in>]

Hi,

Do you use (old, unmaintained) MinGW/MSYS or MSYS2 (https://msys2.github.io/)? It should not be a problem 
with MSYS2: just type

    pacman -S mingw-w64-vala

It should be the latest version, so you don't need to compile it yourself.

Regards,
Dmitry

21.06.2016, 08:49, "oyster" <lepto python gmail com>:
>  $ 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
>
> and this is a test on a 64bits application for comparation:
> $ file /e/greensoft/3d/blender/blender-2.77.1-git.9d431f1-AMD64/blender.exe
> /e/greensoft/3d/blender/blender-2.77.1-git.9d431f1-AMD64/blender.exe:
> PE32+ executable for MS Windows (console) Mono/.Net assembly
>
> 2016-06-21 5:27 GMT+08:00 Al Thomas <astavale yahoo co uk>:
> >  ________________________________
> >  From: oyster <lepto python gmail com>
> >  Sent: Monday, 20 June 2016, 16:08
> >  Subject: Re: [Vala] why valac says "error: Failed to execute child process
> >  (Exec format error)"
> >
> >  so what is the possible solution to find out which 32 and 64 bits DLLs
> >  are conflictive?
> >
> >  According to this Stack Overflow answer, if you have Visual Studio install
> >  "Dumpbin will report DLLs as machine (x86) or machine (x64)". See
> >  http://stackoverflow.com/questions/197951/how-can-i-determine-for-which-platform-an-executable-is-compiled
> >  Otherwise
> >  
> > http://stackoverflow.com/questions/495244/how-can-i-test-a-windows-dll-to-determine-if-it-is-32bit-or-64bit
> >  may help.
> >
> >  You should check the format of valac, gcc and pkg-config
> >
> >  I am sure my GCC produces 32bits exe/dll files even on my 64 bits machine.
> >
> >  please note, as I have mentioned in
> >  https://mail.gnome.org/archives/vala-list/2016-June/msg00027.html
> >  1) vala-0.18.0-mingw32-bin.tar.xz from http://linbox.free.fr/vala/ can
> >  compile hello.vala without problem
> >  2) Then I compile vala-0.32 from source with vala-0.18.0. Then I
> >  overwrite vala-0.18.0 with my new compiled vala-0.32( which is for
> >  i386 and above, i.e. 32bits)
> >  3) my new compiled vala-0.32 complains "error: Failed to execute child
> >  process (Exec format error)" when it is used to compile hello.vala(
> >  which can be compiled by vala-0.18.0)
>
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