CPATH, LIBRARY_PATH, and cross-compilers

[Joel Sherrill]

On 2/12/2013 12:48 PM, Ludovic Courtès wrote:
> Hi,
>
> GCC honors CPATH, LIBRARY_PATH, & co. regardless of whether it’s built
> as a cross-compiler.
>
> Consequently, when cross-compiling a package that contains both support
> tools to be compiled natively and the main code to be cross-compiled,
> these variables are useless because they don’t allow host and build
> headers and libraries to be distinguished.
>
> To fix that, I’d build the cross-compiler with something like:
>
This is a long standing issue with gcc. Whether your solution is
OK with the other developers, I don't know. It is a step in the
right direction.

But it still doesn't address the situation where you have multiple
cross compilers in your PATH all for different targets. It addresses
the most common use case though.

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