diff --git a/.gitignore b/.gitignore
index e69de29..f67c8a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/gio2-0.90.4.gem
diff --git a/rubygem-gio2.spec b/rubygem-gio2.spec
new file mode 100644
index 0000000..812ec68
--- /dev/null
+++ b/rubygem-gio2.spec
@@ -0,0 +1,208 @@
+%global	ruby_sitelib	%(ruby -rrbconfig -e "puts Config::CONFIG['sitelibdir']")
+%global	ruby_sitearch	%(ruby -rrbconfig -e "puts Config::CONFIG['sitearchdir']")
+
+%global	gemdir		%(ruby -rubygems -e 'puts Gem::dir' 2>/dev/null)
+%global	gemname	gio2
+%global	geminstdir	%{gemdir}/gems/%{gemname}-%{version}
+
+%global	glibminver	0.90.4
+%global	obsoleteevr	0.90.4-1.999
+
+%global	rubyabi	1.8
+
+Summary:	Ruby binding of gio-2.0.x
+Name:		rubygem-%{gemname}
+Version:	0.90.4
+Release:	2%{?dist}
+Group:		Development/Languages
+# from README
+License:	LGPLv2
+URL:		http://ruby-gnome2.sourceforge.jp/
+Source0:	http://rubygems.org/gems/%{gemname}-%{version}.gem
+
+BuildRequires:	ruby(abi) = %{rubyabi}
+BuildRequires:	rubygems
+BuildRequires:	rubygem-glib2-devel >= %{glibminver}
+BuildRequires:	ruby-devel
+Requires:	ruby(abi) = %{rubyabi}
+Requires:	rubygems
+Requires:	rubygem(glib2) >= %{glibminver}
+Provides:	rubygem(%{gemname}) = %{version}
+
+%description
+Ruby/GIO2 is a Ruby binding of gio-2.0.x.
+
+%package	doc
+Summary:	Documentation for %{name}
+Group:		Documentation
+Requires:	%{name} = %{version}-%{release}
+
+%description	doc
+This package contains documentation for %{name}.
+
+%package	-n ruby-%{gemname}
+Summary:	Non-Gem support package for %{gemname}
+Group:		Development/Languages
+Requires:	%{name} = %{version}-%{release}
+# Requires for corresponsing non-gem rpms
+Requires:	ruby(glib2) >= %{glibminver}
+Provides:	ruby(%{gemname}) = %{version}-%{release}
+
+%description	-n ruby-%{gemname}
+This package provides non-Gem support for %{gemname}.
+
+%package	devel
+Summary:	Ruby/GIO2 development environment
+Group:		Development/Languages
+Requires:	%{name} = %{version}-%{release}
+Requires:	ruby-devel
+# Obsoletes / Provides
+Obsoletes:	ruby-%{gemname}-devel < %{obsoleteevr}
+Provides:	ruby-%{gemname}-devel = %{version}-%{release}
+
+%description devel
+Header files and libraries for building a extension library for the
+rubygem-%{gemname}
+
+%prep
+%setup -q -c -T
+mkdir -p .%{gemdir}
+
+export pkgconfigdir=$(pwd)%{_libdir}/pkgconfig
+export CONFIGURE_ARGS="--with-cflags='%{optflags}'"
+gem install \
+	-V \
+	--local \
+	--install-dir .%{gemdir} \
+	--force \
+	--rdoc \
+	%{SOURCE0}
+
+find . -name \*.gem | xargs chmod 0644
+
+%build
+
+%install
+rm -rf %{buildroot}
+
+# Once copy all
+mkdir -p %{buildroot}%{gemdir}
+cp -a .%{gemdir}/* \
+	%{buildroot}%{gemdir}/
+
+pushd %{buildroot}
+# move header files, C extension files to the correct directory
+mkdir -p .%{ruby_sitearch}
+# mv .%{geminstdir}/lib/*.h .%{ruby_sitearch}/
+mv .%{geminstdir}/lib/%{gemname}.so .%{ruby_sitearch}/
+popd
+
+# move pkgconfig file
+mkdir %{buildroot}%{_libdir}/pkgconfig
+install -cpm 644 ./%{_libdir}/pkgconfig/*.pc \
+	%{buildroot}%{_libdir}/pkgconfig/
+
+
+# Cleanups
+pushd %{buildroot}
+rm -rf .%{geminstdir}/ext/
+rm -f .%{geminstdir}/extconf.rb
+popd
+
+# The following method is completely copied from rubygem-gettext
+# spec file
+#
+# Create symlinks
+##
+## Note that before switching to gem %%{ruby_sitelib}/%%{gemname}
+## already existed as a directory, so this cannot be replaced
+## by symlink (cpio fails)
+## Similarly, all directories under %%{ruby_sitelib} cannot be
+## replaced by symlink
+#
+
+create_symlink_rec(){
+
+ORIGBASEDIR=$1
+TARGETBASEDIR=$2
+
+## First calculate relative path of ORIGBASEDIR 
+## from TARGETBASEDIR
+TMPDIR=$TARGETBASEDIR
+BACKDIR=
+DOWNDIR=
+num=0
+nnum=0
+while true
+do
+	num=$((num+1))
+	TMPDIR=$(echo $TMPDIR | sed -e 's|/[^/][^/]*$||')
+	DOWNDIR=$(echo $ORIGBASEDIR | sed -e "s|^$TMPDIR||")
+	if [ x$DOWNDIR != x$ORIGBASEDIR ]
+	then
+		nnum=0
+		while [ $nnum -lt $num ]
+		do
+			BACKDIR="../$BACKDIR"
+			nnum=$((nnum+1))
+		done
+		break
+	fi
+done
+
+RELBASEDIR=$( echo $BACKDIR/$DOWNDIR | sed -e 's|//*|/|g' )
+
+## Next actually create symlink
+pushd %{buildroot}/$ORIGBASEDIR
+find . -type f | while read f
+do
+	DIRNAME=$(dirname $f)
+	BACK2DIR=$(echo $DIRNAME | sed -e 's|/[^/][^/]*|/..|g')
+	mkdir -p %{buildroot}${TARGETBASEDIR}/$DIRNAME
+	LNNAME=$(echo $BACK2DIR/$RELBASEDIR/$f | \
+		sed -e 's|^\./||' | sed -e 's|//|/|g' | \
+		sed -e 's|/\./|/|' )
+	ln -s -f $LNNAME %{buildroot}${TARGETBASEDIR}/$f
+done
+popd
+
+}
+
+create_symlink_rec %{geminstdir}/lib %{ruby_sitelib}
+
+%check
+# Currently no testsuite is available
+
+%clean
+rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root,-)
+%dir	%{geminstdir}
+%dir	%{geminstdir}/lib/
+
+%doc	%{geminstdir}/[A-Z]*
+%exclude	%{geminstdir}/Rakefile
+
+%{geminstdir}/lib/%{gemname}.rb
+%{ruby_sitearch}/%{gemname}.so
+
+%{gemdir}/cache/%{gemname}-%{version}.gem
+%{gemdir}/specifications/%{gemname}-%{version}.gemspec
+
+%files	-n ruby-%{gemname}
+%defattr(-,root,root,-)
+%{ruby_sitelib}/*.rb
+
+%files	devel
+%defattr(-,root,root,-)
+%{_libdir}/pkgconfig/ruby-%{gemname}.pc
+
+%files	doc
+%defattr(-,root,root,-)
+%{gemdir}/doc/%{gemname}-%{version}
+%{geminstdir}/Rakefile
+
+%changelog
+* Sun Oct 24 2010 Mamoru Taska <mtasaka@ioa.s.u-tokyo.ac.jp> - 0.90.4-2
+- Initial package
diff --git a/sources b/sources
index e69de29..4a8ee3d 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+db47bd398db0cb77ec856290afef126e  gio2-0.90.4.gem