# The RubyGems root folder.
%gem_dir %{_datadir}/gems

# Common gem locations and files.
%gem_instdir %{gem_dir}/gems/%{gem_name}-%{version}
%gem_extdir_mri %{_libdir}/gems/%{name}/%{gem_name}-%{version}
%gem_libdir %{gem_instdir}/lib
%gem_cache %{gem_dir}/cache/%{gem_name}-%{version}.gem
%gem_spec %{gem_dir}/specifications/%{gem_name}-%{version}.gemspec
%gem_docdir %{gem_dir}/doc/%{gem_name}-%{version}

# Install gem into appropriate directory.
# -n<gem_file>      Overrides gem file name for installation.
# -d<install_dir>   Set installation directory.
%gem_install(d:n:) \
mkdir -p %{-d*}%{!?-d:.%{gem_dir}} \
\
CONFIGURE_ARGS="--with-cflags='%{optflags}' $CONFIGURE_ARGS" \\\
gem install \\\
        -V \\\
        --local \\\
        --install-dir %{-d*}%{!?-d:.%{gem_dir}} \\\
        --bindir .%{_bindir} \\\
        --force \\\
        --document=ri,rdoc \\\
        %{-n*}%{!?-n:%{gem_name}-%{version}.gem} \
%{nil}