%define	alex_ver 3.5.1.0
%define	happy_ver 1.20.1.1
%define debug_package %{nil}

Name:           ghc-bootstrap-helpers
Version:        1.4
Release:        1%{?dist}
Summary:        Dependencies to build GHC
License:        BSD-2-Clause AND BSD-3-Clause
URL:            https://build.opensuse.org/project/show/devel:languages:haskell
Source:         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
ExcludeArch:    %{ix86}
# This package is not meant to be used outside OBS
Requires:       this-is-only-for-build-envs
Conflicts:      alex
Conflicts:      happy

%description
Prebuild alex and happy for bootstrapping the proper ghc build.
Don't use outside of GHC bootstrapping!

%prep
%setup -q -c -a0 -a1

%build
pushd alex-%{alex_ver}
%{_bindir}/ghc Setup.hs -o cabal
./cabal configure --prefix=%{_prefix}
./cabal build
popd

pushd happy-%{happy_ver}
%{_bindir}/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*