# Compat package: libarmadillo.so.12, so that moving `armadillo` to 15.x does not uninstall
# the Fedora packages that link the old soname (gdal-libs, mlpack-bin, mlpack-python3 on f44).
# Armadillo's soname is its major version, so 12.x and 15.x cannot share a file name.
#
# Runtime library ONLY: no headers, no -devel, no pkg-config. Anything building against
# Armadillo uses `armadillo-devel` (15.x). Retire this once gdal and mlpack have been rebuilt
# against libarmadillo.so.15; `rpm -e armadillo12` is then safe.
#
# Deliberately the same upstream release Fedora ships (12.8.1), so existing consumers see
# identical behaviour, bugs included.

Name:           armadillo12
Version:        12.8.1
Release:        1%{?dist}
Summary:        Armadillo C++ matrix library, compat runtime for the 12.x soname

License:        Apache-2.0
URL:            https://arma.sourceforge.net/
Source0:        https://sourceforge.net/projects/arma/files/armadillo-%{version}.tar.xz

BuildRequires:  gcc-c++
BuildRequires:  cmake
BuildRequires:  make
BuildRequires:  arpack-devel
BuildRequires:  SuperLU-devel
BuildRequires:  flexiblas-devel

%description
The libarmadillo.so.12 runtime library from Armadillo 12.8.1, kept installable alongside
armadillo 15.x so packages linked against the old soname keep working. Contains no headers;
develop against the armadillo-devel package.

%prep
%autosetup -n armadillo-%{version} -p1

%build
export CMAKE_POLICY_VERSION_MINIMUM=3.5
%cmake -DALLOW_FLEXIBLAS_LINUX=ON -DBUILD_SMOKE_TEST=OFF
%cmake_build

%install
%cmake_install
# Runtime library only. -devel files belong to the 15.x package and would conflict.
rm -rf %{buildroot}%{_includedir} %{buildroot}%{_datadir}/Armadillo \
       %{buildroot}%{_libdir}/pkgconfig %{buildroot}%{_libdir}/libarmadillo.so

%check
# The one thing this package exists to do.
test -e %{buildroot}%{_libdir}/libarmadillo.so.12
readelf -d %{buildroot}%{_libdir}/libarmadillo.so.12 | grep -q 'SONAME.*libarmadillo.so.12'
# ...and it must not collide with the 15.x package's files.
! find %{buildroot} -name 'libarmadillo.so.15*' | grep -q .

%files
%{_libdir}/libarmadillo.so.12*
%license LICENSE.txt NOTICE.txt

%changelog
* Mon Oct 05 2026 Morgan Hough <morgan.hough@gmail.com> - 12.8.1-1
- New compat package: libarmadillo.so.12 from 12.8.1 for gdal-libs and mlpack, which link
  that soname, while armadillo itself moves to 15.x.