use %%gem_install

rubygem-cairo.spec

@@ -24,7 +24,7 @@
 Summary:	Ruby bindings for cairo
 Name:		rubygem-%{gem_name}
 Version:	%{gemver}
-Release:	3%{?dist}
+Release:	3%{?dist}.1
 Group:		Development/Languages
 License:	GPLv2 or Ruby
 URL:		http://cairographics.org/rcairo/
@@ -113,11 +113,7 @@ ruby-cairo
 
 mkdir -p ./%{gem_dir}
 export CONFIGURE_ARGS="--with-cflags='%{optflags}'"
-gem install \
-	--local \
-	--install-dir ./%{gem_dir} \
-	-V --force \
-	%{SOURCE0}
+%gem_install
 
 find . -name \*.gem | xargs chmod 0644