How to change language in GIMP on Windows

After installing GIMP on my laptop I've found it's language is set according to my regional settings. However, I have failed trying to change it to english because there is no visible configuration option for that. Now that's weird!
After googling for few minutes I've found that this is not a GIMP problem but rather GTK+ for Windows and to force it to use english translation by default you need to add lang environment variable with the value of c.

Removing MinGW dll dependencies

libgcc_s_dw2-1.dll

Passing -static-libgcc will remove this dependency for all languages other than C.
Note: C++ exceptions depends on this option.

mingwm10.dll

Remove -mthreads option from your makefile.
Note: Multithreading and C++ exceptions depends on this option.

How to set up library paths for configure

env CPPFLAGS="-I/opt/local/include" LDFLAGS="-L/opt/local/lib" ./configure

How to disable system bell in msys

$HOME/.inputrc:

# none, visible or audible
set bell-style none