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File atlas.spec of Package atlas

%define _moduletag_blas 		blas
%define _modulefilesdir_blas 		/usr/share/env-switcher/modules/%{_moduletag_blas}
%define _moduletag_lapack 		lapack
%define _modulefilesdir_lapack 		/usr/share/env-switcher/modules/%{_moduletag_lapack}
%define __switcher			/usr/bin/switcher

Name:           atlas
Summary:        Automatically Tuned Linear Algebra Software (ATLAS)
Version:        3.6.0
Release:        2ct
URL:            http://www.netlib.org/atlas/
Source0:        %{name}-%{version}.tar.gz
Source1:	module-%{_moduletag_blas}
Source2:	module-%{_moduletag_lapack}
Source3:	install.sh
Patch0:		atlas_patch001-config.c.patch
License:        BSD like
Group:          Development/Other
Requires:       gcc, make, gcc-gfortran
BuildRoot:      %{_tmppath}/%{name}-root

%description
The ATLAS (Automatically Tuned Linear Algebra Software) project is 
an ongoing research effort focusing on applying empirical techniques 
in order to provide portable performance. At present, it provides C 
and Fortran77 interfaces to a portably efficient BLAS implementation, 
as well as a few routines from LAPACK.

%package module
Summary: Module package for ATLAS
Group: Development/Other
Requires: %{name} = %{version}-%{release}
Requires: env-switcher
Provides: module-%{name}

%description module
The Modules package provides for the dynamic modification of the
environment of the user via modulefiles. This modules package is
for ATLAS 3.6.0.

%prep
rm -rf ${buildroot}
%setup -q
%patch0 -p1

%install
%ifarch x86_64
	# Patch the lib path in config.c, so the default lib path of Atlas will change
	# to lib64
	perl -pi -e 's|\$$TOPdir$/lib|\$(TOPdir)/%{_lib}|' config.c
	perl -pi -e 's|lib|%{_lib}|g' Make.top
	cp makes/Make.lib makes/Make.lib64
	mv lib lib64

# Patch the lib path in module in x86_64 environment
	perl -pi -e 's|\@LIB\@|/%{_lib}|' blas_%{name}-%{version}
	perl -pi -e 's|\@LIB\@|/%{_lib}|' lapack_%{name}-%{version}
%endif

mkdir -p %{buildroot}/usr/src/%{name}-%{version}
cp -av $RPM_BUILD_DIR/%{name}-%{version} %{buildroot}/usr/src
cp %{SOURCE3} %{buildroot}/usr/src/%{name}-%{version}

#install module
mkdir -p %{buildroot}%{_modulefilesdir_blas}
cp %{SOURCE1} %{buildroot}%{_modulefilesdir_blas}/%{name}-%{version}
mkdir -p %{buildroot}%{_modulefilesdir_lapack}
cp %{SOURCE2} %{buildroot}%{_modulefilesdir_lapack}/%{name}-%{version}

%clean
rm -fr %{buildroot}

%post
echo '**************************************************'
echo '* Please go to /usr/src/%{name}-%{version} and *'
echo '* run install.sh to start the Atlas compilation. *'
echo '**************************************************'

%post module

# blas
# this will add the tag if not existed, and overwrite existing name
%__switcher %{_moduletag_blas} --add-name %{name}-%{version} %{_modulefilesdir_blas} --force

# lapack
# this will add the tag if not existed, and overwrite existing name
%__switcher %{_moduletag_lapack} --add-name %{name}-%{version} %{_modulefilesdir_lapack} --force

%preun module
# blas
if [ "$1" = 0 ] ; then
# remove default attr if this is set to current module
%__switcher | %__grep -qx %{_moduletag_blas} && %__switcher %{_moduletag_blas} --show --system | %__grep -qx 'system:default=%{name}-%{version}' && %__switcher %{_moduletag_blas} --rm-attr default --system --force || true

# remove switcher module
# tag is also removed if module is the last one for the same tag
%__switcher | %__grep -qx %{_moduletag_blas} && %__switcher %{_moduletag_blas} --list | %__grep -qx '%{name}-%{version}' && %__switcher %{_moduletag_blas} --rm-name %{name}-%{version} --force || true
fi

# lapack
if [ "$1" = 0 ] ; then
# remove default attr if this is set to current module
%__switcher | %__grep -qx %{_moduletag_lapack} && %__switcher %{_moduletag_lapack} --show --system | %__grep -qx 'system:default=%{name}-%{version}' && %__switcher %{_moduletag_lapack} --rm-attr default --system --force || true

# remove switcher module
# tag is also removed if module is the last one for the same tag
%__switcher | %__grep -qx %{_moduletag_lapack} && %__switcher %{_moduletag_lapack} --list | %__grep -qx '%{name}-%{version}' && %__switcher %{_moduletag_lapack} --rm-name %{name}-%{version} --force || true
fi

%files
%defattr(-,root,root) 
/usr/src/%{name}-%{version}
%attr(755,root,root) /usr/src/%{name}-%{version}/install.sh

%files module
%defattr(644,root,root) 
%{_modulefilesdir_blas}/%{name}-%{version}
%{_modulefilesdir_lapack}/%{name}-%{version}

%changelog
* Fri Jul 6 2007 Clotho Tsang <wytsang@clustertech.com> - 3.6.0-2ct
- gcc-g77 is renamed to gcc-gfortran
- Use ct as release name
* Wed May 24 2006 Clotho Tsang <wytsang@clustertech.com> - 3.6.0-1chess
- Initial import

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