On Mon, 28 Oct 2002, Christophe Dupre wrote:
> Hello everyone,
> I'm trying to recompile a homegrown program that was originaly
> developped for Unix under Windows. We were successful in compiling this
> program with the cygwin-supplied gcc using our current Makefile.
>
> Now we'd like to recompile with the 'native' compiler, cl.exe provided
> with Visual Studio, as some believe the native compile would produce
> faster binaries (it's a long-running analysis code - even 5% speedup
> would be significant). Also, the gcc binary can't seem to be able to
> allocate more than 1024MB of memory, even though the machine has 4GB
> physical (this is under Windows 2000). Even then, we had to modify a
> registry key to be able to use more than 256MB, which is not great for
> end-users.
>
> Anyway, we're making progress in being able to compile with CL.EXE, but
> we're having trouble with include files. We use the flag
> '-I/home/user/dg/include' to point to the include directory, but it
> can't find it. If we use '-I../include' it works, but for many reasons
> we need to be able to specify absolute paths for include files.
>
> Has anyone done that ? I was not able to find anything relevant in the
> archives.
>
> Thanks.
Christophe,
Non-cygwin programs (of which cl.exe is one) don't understand Cygwin paths
and mounts. You might wish to read up on the cygpath utility.
Igor
--
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