%define target mips

Name:           %{target}-gcc
Version:        4.4.2
Release:        1%{?dist}
Summary:        Cross Compiling GNU GCC targeted at %{target}
Group:          Development/Languages
License:        GPLv2+
URL:            http://gcc.gnu.org/
Source0:        ftp://ftp.gnu.org/gnu/gcc/gcc-%{version}/gcc-core-%{version}.tar.bz2
BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-%(%{__id_u} -n)
BuildRequires:  %{target}-binutils zlib-devel gawk
Requires:       %{target}-binutils

%description
This is a Cross Compiling version of GNU GCC, which can be used to
compile programs for the %{target} platform, instead of for the
native %{_arch} platform.


%prep
%setup -q -c -a 0
pushd gcc-%{version}
contrib/gcc_update --touch
popd

# Extract %%__os_install_post into os_install_post~
cat << \EOF > os_install_post~
%__os_install_post
EOF

# Generate customized brp-*scripts
cat os_install_post~ | while read a x y; do
case $a in
# Prevent brp-strip* from trying to handle foreign binaries
*/brp-strip*)
  b=$(basename $a)
  sed -e 's,find $RPM_BUILD_ROOT,find $RPM_BUILD_ROOT%_bindir $RPM_BUILD_ROOT%_libexecdir,' $a > $b
  chmod a+x $b
  ;;
esac
done

sed -e 's,^[ ]*/usr/lib/rpm.*/brp-strip,./brp-strip,' \
< os_install_post~ > os_install_post 

# fix-includes doesn't like symlinks so copy the kernel headers over
mkdir -p %{_builddir}/%{name}-%{version}/sysroot/%{_includedir}


%build
%define languages 'c'
mkdir -p build-%{target}-gcc
pushd build-%{target}-gcc
CC="%{__cc} ${RPM_OPT_FLAGS}" \
../gcc-%{version}/configure --prefix=%{_prefix} \
  --mandir=%{_mandir} --infodir=%{_infodir} \
  --target=%{target} --enable-languages=%{languages} --disable-threads \
  --disable-libmudflap --disable-libssp --disable-multilib --disable-shared \
  --disable-nls --enable-long-long --enable-symvers=gnu --enable-c99 \
  --enable-cxx-flags=-mcpu=mips \
  --disable-libstdcxx-pch --enable-__cxa_atexit \
  --enable-version-specific-runtime-libs
# In general, building GCC is not smp-safe
make
popd


%install
rm -rf $RPM_BUILD_ROOT
pushd build-%{target}-gcc
make install DESTDIR=$RPM_BUILD_ROOT
popd
# we don't want these as we are a cross version
rm -r $RPM_BUILD_ROOT%{_infodir}
rm -r $RPM_BUILD_ROOT%{_mandir}/man7
# and these aren't usefull for embedded targets
rm -r $RPM_BUILD_ROOT/usr/lib/gcc/%{target}/%{version}/install-tools
rm -r $RPM_BUILD_ROOT%{_libexecdir}/gcc/%{target}/%{version}/install-tools
rm -f $RPM_BUILD_ROOT%{_libdir}/libiberty.a

%define __os_install_post . ./os_install_post


%clean
rm -rf $RPM_BUILD_ROOT


%files
%defattr(-,root,root,-)
%doc gcc-%{version}/COPYING gcc-%{version}/COPYING.LIB
%doc gcc-%{version}/README
%{_bindir}/%{target}-*
%{_prefix}/lib/gcc/%{target}/
%{_libexecdir}/gcc/%{target}/
%{_mandir}/man1/%{target}-*.1.gz


%changelog
* Tue Oct 20 2009 Conrad Meyer konrad@tylerc.org 4.4.2-1
- Initial package.