%define _libdir64 %{_prefix}/lib64

Summary: A garbage collector for C and C++ 
Name:    gc	
Version: 6.8
Release: 1
Group:   System Environment/Libraries
License: BSD
Url:     http://www.hpl.hp.com/personal/Hans_Boehm/gc/	
Source0: http://www.hpl.hp.com/personal/Hans_Boehm/gc/gc_source/%{name}%{version}.tar.gz
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root

%description
The Boehm-Demers-Weiser conservative garbage collector can be 
used as a garbage collecting replacement for C malloc or C++ new.


%package devel
Summary: Libraries and header files for %{name} development 
Group:   Development/Libraries
Requires: %{name} = %{version}-%{release}

%description devel
%{summary}.


%prep
%setup -q -n %{name}%{version}
mkdir ../32bit
mv * ../32bit
mv ../32bit .
mkdir 64bit
cd 32bit
tar cf - . | (cd ../64bit ; tar xpf -)


%build
# see bugzilla.redhat.com/689877
export CPPFLAGS="-DUSE_GET_STACKBASE_FOR_MAIN"

export CC="cc -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES"
export CXX="xlC -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES"


cd 64bit
# first build the 64-bit version
export LDFLAGS="-L/opt/freeware/lib64 -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib64:/opt/freeware/lib:/usr/lib:/lib -Wl,-bmaxdata:0x80000000"
export OBJECT_MODE=64
./configure \
    --prefix=%{_prefix} \
    --libdir=%{_libdir64} \
    --enable-threads=posix \
    --enable-shared --disable-static
make %{?_smp_mflags}

cd ../32bit
# now build the 32-bit version
export LDFLAGS="-L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib:/usr/lib:/lib -Wl,-bmaxdata:0x80000000"
export OBJECT_MODE=32
./configure \
    --prefix=%{_prefix} \
    --enable-threads=posix \
    --enable-shared --disable-static
make %{?_smp_mflags}


%install
[ "${RPM_BUILD_ROOT}" != "/" ] && rm -rf ${RPM_BUILD_ROOT}

cd 64bit
export OBJECT_MODE=64
make install DESTDIR=${RPM_BUILD_ROOT}

cd ../32bit
export OBJECT_MODE=32
make install DESTDIR=${RPM_BUILD_ROOT}

(
  cd ${RPM_BUILD_ROOT}%{_libdir64}
  for f in *.a ; do
    /usr/bin/ar -X64 -x ${f}
  done

  cd ${RPM_BUILD_ROOT}%{_libdir}
  for f in *.a ; do
    /usr/bin/ar -X32 -x ${f}
  done
)

# add the 64-bit shared objects to the shared libraries containing already the
# 32-bit shared objects
/usr/bin/ar -X64 -q ${RPM_BUILD_ROOT}%{_libdir}/lib%{name}.a ${RPM_BUILD_ROOT}%{_libdir64}/lib%{name}.so*

mkdir -p ${RPM_BUILD_ROOT}%{_mandir}/man3
cp doc/gc.man ${RPM_BUILD_ROOT}%{_mandir}/man3/gc.3
chmod 0644 ${RPM_BUILD_ROOT}%{_mandir}/man3/gc.3

(
  cd ${RPM_BUILD_ROOT}
  for dir in include lib lib64
  do
    mkdir -p usr/${dir}
    cd usr/${dir}
    ln -sf ../..%{_prefix}/${dir}/* .
    cd -
  done
)


%clean
[ "${RPM_BUILD_ROOT}" != "/" ] && rm -rf ${RPM_BUILD_ROOT}


%files 
%defattr(-,root,system,-)
%doc 32bit/doc/README
%doc 32bit/doc/README.changes 32bit/doc/README.contributors 
%doc 32bit/doc/README.environment 32bit/doc/README.linux
%{_libdir}/*.a
%{_libdir}/*.so*
%{_libdir64}/*.so*
/usr/lib/*.a
/usr/lib/*.so*
/usr/lib64/*.so*


%files devel
%defattr(-,root,system,-)
%doc 32bit/doc/*.html
%{_includedir}/*
%{_libdir}/*.la
%{_libdir64}/*.la
%{_mandir}/man?/*
/usr/include/*
/usr/lib/*.la
/usr/lib64/*.la


%changelog
* Sat Feb 04 2012 Michael Perzl <michael@perzl.org> - 6.8-1
- first version for AIX V5.1 and higher