On Fri, 10 Nov 2017 22:04:25 +0100 Hans-Peter Jansen wrote:

Hi,

I suffer from macro expansion errors in rubygem builds:

[ 29s] + exec rpmbuild -ba --define '_srcdefattr (-,root,root)' --nosignature --define '_build_create_debug 1' --define 'disturl obs://build.opensuse.org/home:frispete:GitLab/openSUSE_13.2/cd8f1e1e66ffd44acf12bb1d37856772-rubygem-addressable' /home/abuild/rpmbuild/SOURCES/rubygem-addressable.spec [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration. [ 29s] error: Too many levels of recursion in macro expansion. It is likely caused by recursive macro declaration.

resulting in build errors later on similar to:

[ 31s] error: Failed build dependencies: [ 31s] rubygem(ruby:2.1.0: is needed by rubygem-addressable-2.5.2-2.1.x86_64 [ 31s] rubygem(ruby:2.2.0: is needed by rubygem-addressable-2.5.2-2.1.x86_64 [ 31s] rubygem(ruby:2.3.0: is needed by rubygem-addressable-2.5.2-2.1.x86_64 [ 31s] rubygem(ruby:2.4.0: is needed by rubygem-addressable-2.5.2-2.1.x86_64 [ 31s] rubygem(ruby:2.5.0: is needed by rubygem-addressable-2.5.2-2.1.x86_64

https://build.opensuse.org/package/live_build_log/home:frispete:GitLab/rubyg...

The ruby packages in question are built here:

https://build.opensuse.org/project/monitor/home:frispete:ruby

I slightly modified the macros of devel:languages:ruby for the later versions running on top of openSUSE_13.2. (yes, lame, I know..)

Any idea, how to debug such macro expansion errors? Is there a way to examine the expanded spec?

You can try to find problematic macro by examining macros used in spec. just get into osc build root with `osc chroot` and there you can see how macro is expanded: rpm -E "%gem_install" /usr/lib/rpm/gem_install.sh --default-gem %{mod_name}-%{version}.gem --gem-name=%{mod_name} --gem-version=%{version} --build-root /home/jreidinger/rpmbuild/BUILDROOT/%{name}-%{version}-%{release}.x86_64 so check how it is expanded. You can also use rpm to do just one step, so you can easier find in which section is problematic macro. Josef

I can workaround these problems by pre-installing the offending ruby packages, but that's just papering over the underlying problem, that I would like to understand.

Thanks in advance, Pete

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