9.3. RubyGems macros

The following are macros useful for packages created by RubyGems. These macros are provided by the rubygems-devel package.

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表 9.2. RubyGems' macros
Macro name	Extended path	Usage
`%{gem_dir}`	`/usr/share/gems`	Top directory for the gem structure.
`%{gem_instdir}`	`%{gem_dir}/gems/%{gem_name}-%{version}`	Directory with the actual content of the gem.
`%{gem_libdir}`	`%{gem_instdir}/lib`	The library directory of the gem.
`%{gem_cache}`	`%{gem_dir}/cache/%{gem_name}-%{version}.gem`	The cached gem.
`%{gem_spec}`	`%{gem_dir}/specifications/%{gem_name}-%{version}.gemspec`	The gem specification file.
`%{gem_docdir}`	`%{gem_dir}/doc/%{gem_name}-%{version}`	The RDoc documentation of the gem.
`%{gem_extdir_mri}`	`%{_libdir}/gems/ruby/%{gem_name}-%{version}`	The directory for gem extension.