[OE-core] cmake: respect ${S} and ${B} patch problem

[Burton, Ross]

On 13 June 2014 17:33, Miroslav Keš <miroslav.kes at gmail.com> wrote:
> +    if [ -z "${OECMAKE_SOURCEPATH}" ]; then
> +        OECMAKE_SOURCEPATH="${S}"
>      fi
>
>      if [ "${S}" != "${B}" ]; then
> @@ -84,7 +88,7 @@ cmake_do_configure() {
>
>      cmake \
>        ${OECMAKE_SITEFILE} \
> -      ${S} \
> +      ${OECMAKE_SOURCEPATH} \

A better idiom that's more self-documenting would be to set
OECMAKE_SOURCEPATH ?= "${S}" at the top-level.

Would it be sensible to give that variable a different name as it
refers specifically to the location of the cmake file, and not the
rest of the source?

Ross