Ralf Corsepius corsepiu at
Fri Aug 11 13:15:39 UTC 2000

"D.G.Somerton" wrote:
> Hello,
>   I am 'trying' to configure the RTEMS on cygwin. This is failing. see
> previous posts.
>   Someone suggested that VC environment variables may clashing.
>   This cannot be, as VC uses LIB, INCLUDE, MSVCDIR, MSDEVDIR
>   info gcc: Invoking: Environment Variables:
>   Someone suggested linking cc to gcc.
>   This is no good, as gcc is /bin/../lib/gcc-lib/i686-pc-cygwin/2.95.2 
>   The cross compiler is /tool/bin/m68k-rtems-gcc.exe
>   I have linked cc to the cross compiler.

Symlink it to your native compiler (Eg. /bin/gcc)

> --------------------------------------------
> After the failed configure, here are the logs.
> /tools/../build/config.log and /tools/../build/tools/build/config.log
> It seems that the configuration cannot determine that this is cygwin.
Right, because the check to determine cygwin requires a native

This is a known issue with autoconf and is worked at by the autoconf

> ---------------------------------
> So as you can see,  it is looking for __CYGWIN32__
> What is this?
> Where does it come from?
>From Cygwin's gcc.

> How do I set it so the configuration works?

Try to symlink /bin/cc.exe to Cygwin's gcc.exe.


Ralf Corsepius 
Forschungsinstitut fuer Anwendungsorientierte Wissensverarbeitung
Helmholtzstr. 16, 89081 Ulm, Germany     Tel: +49/731/501-8690
mailto:corsepiu at           FAX: +49/731/501-999

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