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diff --git a/ghc-bootstrap-tools.spec b/ghc-bootstrap-tools.spec
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+%define         alex_ver 3.4.0.0
+%define         happy_ver 1.20.0
+%global         debug_package %{nil}
+
+Name:           ghc-bootstrap-tools
+Version:        1.0
+Release:        1
+Summary:        Dependencies for ghc bootstrap.
+License:        BSD-2-Clause and BSD-3-Clause
+URL:            https://gitee.com/src-openeuler/ghc-bootstrap-tools
+Source0:        https://hackage.haskell.org/package/alex-%{alex_ver}/alex-%{alex_ver}.tar.gz
+Source1:        https://hackage.haskell.org/package/happy-%{happy_ver}/happy-%{happy_ver}.tar.gz
+
+BuildRequires:  ghc-bootstrap
+
+Conflicts:      alex
+Conflicts:      happy
+
+%description
+Prebuild alex and happy for bootstrapping the proper ghc build.
+Don't use outside of ghc bootstrapping!
+For alex and happy, install the seperated package instead.
+
+%prep
+%setup -q -c -a0 -a1
+
+%build
+export PATH=/opt/bin:$PATH
+pushd alex-%{alex_ver}
+ghc Setup.hs -o cabal
+./cabal configure --prefix=%{_prefix}
+./cabal build
+popd
+
+pushd happy-%{happy_ver}
+ghc Setup.hs -o cabal
+./cabal configure --prefix=%{_prefix}
+./cabal build
+popd
+
+%install
+pushd alex-%{alex_ver}
+./cabal copy --destdir=%{buildroot}
+popd
+
+pushd happy-%{happy_ver}
+./cabal copy --destdir=%{buildroot}
+popd
+
+%files
+%{_bindir}/alex
+%{_bindir}/happy
+%{_datadir}/*ghc*
+%{_datadir}/doc/*ghc*
+
+%changelog
+* Sat Jul 22 2023 Lin Runze <lrzlin@163.com> - 1.0-1
+- Initial packaging. (Version 1.0)