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

[Burton, Ross]

Apart from what Saul said, this looks good to me.

Ross

On 17 June 2014 21:20, Miroslav Keš <miroslav.kes at gmail.com> wrote:
> On 06/13/14 18:38, Burton, Ross wrote:
>> 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
>
> Here is the updated patch:
>
> Signed-off-by: Mira Kes <miroslav.kes at gmail.com>
>
> diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
> index c9c15f3..f762792 100644
> --- a/meta/classes/cmake.bbclass
> +++ b/meta/classes/cmake.bbclass
> @@ -23,6 +23,9 @@ OECMAKE_RPATH ?= ""
>  OECMAKE_PERLNATIVE_DIR ??= ""
>  OECMAKE_EXTRA_ROOT_PATH ?= ""
>
> +# Path to the CMake file to process.
> +OECMAKE_SOURCEPATH ?= "${S}"
> +
>  cmake_do_generate_toolchain_file() {
>         cat > ${WORKDIR}/toolchain.cmake <<EOF
>  # CMake system name must be something like "Linux".
> @@ -65,8 +68,8 @@ EOF
>  addtask generate_toolchain_file after do_patch before do_configure
>
>  cmake_do_configure() {
> -       if [ "${OECMAKE_BUILDPATH}" -o "${OECMAKE_SOURCEPATH}" ]; then
> -               bbnote "cmake.bbclass no longer uses OECMAKE_SOURCEPATH and OECMAKE_BUILDPATH.  The default behaviour is now out-of-tree builds with B=WORKDIR/build."
> +       if [ "${OECMAKE_BUILDPATH}" ]; then
> +               bbnote "cmake.bbclass no longer uses OECMAKE_BUILDPATH.  The default behaviour is now out-of-tree builds with B=WORKDIR/build."
>         fi
>
>         if [ "${S}" != "${B}" ]; then
> @@ -84,7 +87,7 @@ cmake_do_configure() {
>
>         cmake \
>           ${OECMAKE_SITEFILE} \
> -         ${S} \
> +         ${OECMAKE_SOURCEPATH} \
>           -DCMAKE_INSTALL_PREFIX:PATH=${prefix} \
>           -DCMAKE_INSTALL_BINDIR:PATH=${bindir} \
>           -DCMAKE_INSTALL_SBINDIR:PATH=${sbindir} \
>
>