%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  gsignal
%global packver   0.3-7
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          0.3.7
Release:          1%{?dist}%{?buildtag}
Summary:          Signal Processing

License:          GPL-3
URL:              https://cran.r-project.org/package=%{packname}
Source0:          %{url}&version=%{packver}#/%{packname}_%{packver}.tar.gz


BuildRequires:    R-devel >= 3.5.0
Requires:         R-core >= 3.5.0
BuildRequires:    R-CRAN-pracma 
BuildRequires:    R-CRAN-Rcpp 
BuildRequires:    R-grDevices 
Requires:         R-CRAN-pracma 
Requires:         R-CRAN-Rcpp 
Requires:         R-grDevices 

%description
R implementation of the 'Octave' package 'signal', containing a variety of
signal processing tools, such as signal generation and measurement,
correlation and convolution, filtering, filter design, filter analysis and
conversion, power spectrum analysis, system identification, decimation and
sample rate change, and windowing.

%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}