%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  choosepc
%global packver   1.0
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          1.0
Release:          1%{?dist}%{?buildtag}
Summary:          Choose the Number of Principal Components via Recistruction Error

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


BuildRequires:    R-devel >= 4.0
Requires:         R-core >= 4.0
BuildArch:        noarch
BuildRequires:    R-graphics 
BuildRequires:    R-CRAN-Rfast2 
BuildRequires:    R-stats 
Requires:         R-graphics 
Requires:         R-CRAN-Rfast2 
Requires:         R-stats 

%description
One way to choose the number of principal components is via the
reconstruction error. This package is designed mainly for this purpose.
Graphical representation is also supported, plus some other principal
component analysis related functions. References include: Jolliffe I.T.
(2002). Principal Component Analysis. <doi:10.1007/b98835> and Mardia
K.V., Kent J.T. and Bibby J.M. (1979). Multivariate Analysis. ISBN:
978-0124712522. London: Academic Press.

%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
[ -d %{packname}/src ] && find %{packname}/src/Make* -type f -exec \
  sed -i 's@-g0@@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}