Bug#933713: libgpg-error-dev: make package fit for cross development

Hi. Looks like this package has not been marked multilib yet, about 1.5 years later. Is there a chance it can be done? This would unblock Wine / Proton.

Bug#928702: libxmlrpc-core-c3-dev: 'xmlrpc-c-config client --libs' spits out -lcurl but the package does not depend on 'libcurl-dev'

Package: libxmlrpc-core-c3-dev Version: 1.33.14-4 Severity: normal Dear Maintainer, Building a project that requires xmlrpc but does not explicitly require libcurl fails. The project: https://gitlab.freedesktop.org/drm/igt-gpu-tools The result: $ ninja -C build /usr/bin/ld: cannot find -l