Can't run Mingw gcc from Cygwin

[Cliff Hones]

> I'm trying to run the Mingw gcc compiler from within Cygwin. My reason is to
> use Cygwin/bash to run configure, but to build the packages using Mingw, so
> that they have no Cygwin dependency at runtime - yes, I know about
> -mno-cygwin, and that is an option, I guess, but I'd prefer to use the Mingw
> compiler if possible - not least as it builds executables which use MSVCRT
> rather than CRTDLL.

The latest version of the cygwin gcc (2.95.3-5) now uses msvcrt (and crt2.o)
when the -mno-cygwin option is used.

> However, if I add my Mingw binaries directory to the front of PATH, via
>     export PATH=//c/Applications/Mingw/bin:$PATH
> and try to compile a trivial program, I get an error
>
> $ gcc -o x.exe x.c
> gcc.exe: installation problem, cannot exec `cpp0': No such file or directory

mingw is not cygwin-aware, so may not behave quite as expected under cygwin bash.
Try using the gcc "-v" flag to see which executables are being invoked.

-- Cliff

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