%global __brp_check_rpaths %{nil}
%global packname  SAM
%global packver   1.1.3
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          1.1.3
Release:          1%{?dist}%{?buildtag}
Summary:          Sparse Additive Modelling

License:          GPL-2
URL:              https://cran.r-project.org/package=%{packname}
Source0:          %{url}&version=%{packver}#/%{packname}_%{packver}.tar.gz


BuildRequires:    R-devel >= 2.14
Requires:         R-core >= 2.14
BuildRequires:    R-splines 
BuildRequires:    R-CRAN-Rcpp 
BuildRequires:    R-CRAN-RcppEigen 
Requires:         R-splines 
Requires:         R-CRAN-Rcpp 

%description
Computationally efficient tools for high dimensional predictive modeling
(regression and classification). SAM is short for sparse additive
modeling, and adopts the computationally efficient basis spline technique.
We solve the optimization problems by various computational algorithms
including the block coordinate descent algorithm, fast iterative
soft-thresholding algorithm, and newton method. The computation is further
accelerated by warm-start and active-set tricks.

%prep
%setup -q -c -n %{packname}

# fix end of executable files
find -type f -executable -exec grep -Iq . {} \; -exec sed -i -e '$a\' {} \;
# prevent binary stripping
[ -d %{packname}/src ] && find %{packname}/src -type f -exec \
  sed -i 's@/usr/bin/strip@/usr/bin/true@g' {} \; || true
# don't allow local prefix in executable scripts
find -type f -executable -exec sed -Ei 's@#!( )*/usr/local/bin@#!/usr/bin@g' {} \;

%build

%install

mkdir -p %{buildroot}%{rlibdir}
%{_bindir}/R CMD INSTALL -l %{buildroot}%{rlibdir} %{packname}
test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
rm -f %{buildroot}%{rlibdir}/R.css
# remove buildroot from installed files
find %{buildroot}%{rlibdir} -type f -exec sed -i "s@%{buildroot}@@g" {} \;

%files
%{rlibdir}/%{packname}