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Date:	Thu, 5 Jul 2001 12:09:15 +0100 (BST)
From:	Cliff Hones <cliff AT aonix DOT co DOT uk>
Message-Id:	<200107051109.MAA18531@trillian.uk.aonix.com>
To:	Paul DOT Moore AT atosorigin DOT com
CC:	cygwin AT cygwin DOT com
In-reply-to:
	<714DFA46B9BBD0119CD000805FC1F53B01B5AED2 AT ukrux002 DOT rundc DOT uk DOT origin-it DOT com>
	(Paul DOT Moore AT atosorigin DOT com)
Subject:	Re: Can't run Mingw gcc from Cygwin
References:	<714DFA46B9BBD0119CD000805FC1F53B01B5AED2 AT ukrux002 DOT rundc DOT uk DOT origin-it DOT com>

> 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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