On Sun, Jul 5, 2020 at 9:16 AM Richard Shaw <hobbes1...@gmail.com> wrote:
>
> I saw the change notification but didn't know it went in to "production". I
> was trying to build OpenImageIO in rawhide and it failed, because I was
> already doing an out of source build which it appended
> "%{_arch}-redhat-linux-gnu" or something like that to.
>
> So I looked up the guidelines for CMake which state:
>
> %build
> %cmake .
> %make_build
>
>
> Oookay... Now OIIO CMake config is giving me:
>
> CMake Error at CMakeLists.txt:50 (message):
> Not allowed to run in-source build!
>
> And low and behold I see new options being passed to CMake...
>
> + /usr/bin/cmake -S . -B .
>
> Which point the source and binary locations to the same directory.
>
> So I was all for the change other than the fact I was already doing
> out-of-source builds for all of the CMake packages I maintain, which this
> breaks, and right now the "automagic" seems to be broken as well.
>
Temporarily, we have %__cmake_in_source_build set, which forces back
the legacy behavior. You can switch to the upcoming out of source
default by adding the following to the top of your spec:
# Force out of source build
%undefine __cmake_in_source_build
With that, you can use %cmake with no arguments and everything should work fine.
--
真実はいつも一つ！/ Always, there's only one truth!
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