Ahhhhh, I wasn't aware of the fact that it has to be specified as an
argument not as a variable before the configure script!
My patch makes it possible to specify it with "CXX=my-gcc ./configure"

When compiling with mingw it produces lzip.exe, but the install
target still tries to copy lzip, thus failing! AFAIK the only way to find
out what extension a given compiler produces is to compile a minimal
example and look at the output, which is what I have added to the configure
script.

Regards
Klaus

On Tue, Aug 22, 2023 at 6:53 PM Antonio Diaz Diaz <anto...@gnu.org> wrote:

> Hello Klaus,
>
> Thank you for the patch.
>
> Klaus Holst Jacobsen wrote:
> > I have a patch which will enable the usage of a custom compiler.
>
> You may already use a custom compiler with a command like this:
>
>    ./configure CXX=your_compiler
>
> See the output of "./configure --help" and the following message:
> https://lists.nongnu.org/archive/html/lzip-bug/2020-03/msg00005.html
>
> > It will also enable the use of mingw compiler to compile for windows (and
> > recognise the .exe extension for the output)
>
> I don't use Windows, but as far as I know, lzip compiles fine there
> without
> special handling of the .exe extension.
>
> Best regards,
> Antonio.
>

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