Le mercredi 24 juin 2020 à 21:49 -0600, Orion Poplawski a écrit :
> This change in redhat-rpm-config:
>
> * Wed Jun 03 2020 Igor Raits <ignatenkobr...@fedoraproject.org> -
> 158-1
> - Add option to choose C/C++ toolchain
>
> changed %_set_build_flags to also set the CC/CXX compiler variables:
>
> CC=%{__cc}; export CC ; \
> CXX=%{__cxx}; export CXX ; \
>
> This breaks the relatively common construct for building MPI versions
> of
> packages:
>
> export CC=mpicc
> export CXX=mpicxx
> %configure
This is why macros should never set variables blindly but use
constructs like safeset (in redhat-rpm-config’s common.lua) that check
if the packager already set things to other value before blindly
stomping over them
Regards,
--
Nicolas Mailhot
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