[OE-core] [PATCH 18/18] cmake-native:convert source file to relative path

[Hongxu Jia]

On 03/10/2016 04:08 PM, Khem Raj wrote:
>
> We should submit these kind of changes upstream first and get an 
> opinion before forking like this
>

OK, I will have a try.

>
>     +Although there is CMAKE_USE_RELATIVE_PATHS, but upstream
>     +explicitly did not support relative path.
>     +In git://cmake.org/cmake.git <http://cmake.org/cmake.git>
>     +...
>     +commit 1335992c8f4e8b96f1a21d5dcc7d65a9fbd84c11
>     +Author: Stephen Kelly <steveire at gmail.com
>     <mailto:steveire at gmail.com>>
>     +Date:   Mon Jun 1 19:56:46 2015 +0200
>     +
>     +    Remove CMAKE_USE_RELATIVE_PATHS variable.
>     +...
>     +The reason is in https://cmake.org/Wiki/CMake_FAQ
>     +(Why does CMake use full paths, or can I copy my build tree?)
>

Currently, The upstream explicitly do not support it.

//Hongxu

>     +
>     +But oe-core need the source file path relative while compiling
>     +to avoid build path issue. The fix partly refer the above commit,
>     +but in order to minimize the influence, it only tweak gcc compiling
>     +rule in generated Makefile (With "Building ** object" message).
>


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