On Thu, Mar 01, 2018 at 09:38:08AM +0100, Ralf Corsepius wrote: > Hi, > > perl-Plack fails to build in rawhide with > this error[1] > > ... > + /usr/bin/perl Build.PL --installdirs=vendor > Can't locate ExtUtils/CBuilder.pm in @INC (you may need to install the > ExtUtils::CBuilder module) (@INC contains: > /builddir/build/BUILD/Server-Starter-0.34/_build/lib /usr/local/lib64/perl5 > /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl > /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at > /usr/share/perl5/vendor_perl/Module/Build/Base.pm line 5295. > ... > > f26, f27 and f28 build fine. > > What is going on here? perl-Plack does not carry any direct dependency on > ExtUtils::CBuilder, so my guess would be a dependency is missing somewhere > else. > <https://lists.fedoraproject.org/archives/list/perl-devel@xxxxxxxxxxxxxxxxxxxxxxx/message/MWK6MLOWOIJ2UVMRILR3FAZZRE3X6OCM/> is happennning due to GCC removal from F29 build root. If you have a package with XS modules and use Module::Build, you need to build-require ExtUtils::CBuilder. In case of Server-Starter, there seems to be a bug in Module::Build::Base. It invokes auto_require() that for some reason has $self->c_source set to [], and thus it decides it needs a compiler and hence ExtUtils::CBuilder. I think this condition in auto_require() should be corrected: $self->needs_compiler( keys %$xs_files || defined $self->c_source ); and also the reason why $self->c_source is [] instead of undef should be investigated. -- Petr
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