%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  greta.gp
%global packver   0.2.1
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          0.2.1
Release:          1%{?dist}%{?buildtag}
Summary:          Gaussian Process Modelling in 'greta'

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


BuildRequires:    R-devel >= 3.1.0
Requires:         R-core >= 3.1.0
BuildArch:        noarch
BuildRequires:    R-CRAN-tensorflow >= 2.7.0
BuildRequires:    R-CRAN-greta >= 0.4.2
BuildRequires:    R-CRAN-cli 
BuildRequires:    R-CRAN-glue 
Requires:         R-CRAN-tensorflow >= 2.7.0
Requires:         R-CRAN-greta >= 0.4.2
Requires:         R-CRAN-cli 
Requires:         R-CRAN-glue 

%description
Provides a syntax to create and combine Gaussian process kernels in
'greta'. You can then them to define either full rank or sparse Gaussian
processes. This is an extension to the 'greta' software, Golding (2019)
<doi:10.21105/joss.01601>.

%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}