%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  gp
%global packver   1.1
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          1.1
Release:          1%{?dist}%{?buildtag}
Summary:          Maximum Likelihood Estimation of the Generalized Poisson Distribution

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-CRAN-Rfast 
BuildRequires:    R-CRAN-RNGforGPD 
BuildRequires:    R-stats 
Requires:         R-CRAN-Rfast 
Requires:         R-CRAN-RNGforGPD 
Requires:         R-stats 

%description
Functions to estimate the parameters of the generalized Poisson
distribution with or without covariates using maximum likelihood. The
references include Nikoloulopoulos A.K. & Karlis D. (2008). "On modeling
count data: a comparison of some well-known discrete distributions".
Journal of Statistical Computation and Simulation, 78(3): 437--457,
<doi:10.1080/10629360601010760> and Consul P.C. & Famoye F. (1992).
"Generalized Poisson regression model". Communications in Statistics -
Theory and Methods, 21(1): 89--109, <doi:10.1080/03610929208830766>.

%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}