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# Koji has two types of builders:
# 16Gb + 6 cores
# 128Gb + 48 cores
# There's no way to choose either, so we rely on luck
#
# This needs about 15 gigs per thread, otherwise OOMs. So, we calculate the number of threads we can afford to use for make:
# meminfo gives output in kB (1000 bytes)
%global numthreads %(echo $(( $(cat /proc/meminfo | grep MemTotal | awk '{print $2}') / 15000000 )) )
# But make sure it is > 0
%if 0%{numthreads} == 0
%global numthreads 1
%endif

# If _smp_build_ncpus is not defined (on older rpms)
# assume there's only one
%if 0%{?_smp_build_ncpus} == 0
%global _smp_build_ncpus 1
%endif

# Use the smaller number of threads
%if 0%{numthreads} > 0%{?_smp_build_ncpus}
%global numthreads %{?_smp_build_ncpus}
%endif

%global modname graph-tool
%global pymodname graph_tool

%global _description %{expand:
Graph-tool is an efficient Python module for manipulation and statistical
analysis of graphs (a.k.a. networks). Contrary to most other python modules
with similar functionality, the core data structures and algorithms are
implemented in C++, making extensive use of template metaprogramming, based
heavily on the Boost Graph Library. This confers it a level of performance that
is comparable (both in memory usage and computation time) to that of a pure
C/C++ library.

Please refer to https://graph-tool.skewed.de/static/doc/index.html for
documentation.}

Name:           python-%{modname}
Version:        2.29
Release:        1%{?dist}
Summary:        Efficient network analysis tool written in Python

License:        GPLv3+
URL:            https://graph-tool.skewed.de/
Source0:        https://downloads.skewed.de/%{modname}/%{modname}-%{version}.tar.bz2

# Workaround for https://git.skewed.de/count0/graph-tool/issues/613
# CGAL 5.x is now header only
# Required on F32+
%if 0%{?fedora} >= 32
Patch0:         0001-Use-header-only-CGAL-library.patch
%endif

# Remove the compiler flags upstream tries to put
Patch1:         0002-Remove-upstreams-flags.patch
BuildRequires:  git-core
BuildRequires:  autoconf
BuildRequires:  automake
BuildRequires:  libtool

%description %_description

%package -n python3-%{modname}
Summary:        %{summary}
BuildRequires:  python3-devel
BuildRequires:  boost-devel
BuildRequires:  boost-python3-devel
BuildRequires:  CGAL-devel
BuildRequires:  cairomm-devel
BuildRequires:  expat-devel
BuildRequires:  gcc-g++
BuildRequires:  gmp-devel
BuildRequires:  gtk3-devel
BuildRequires:  python3-cairo-devel
BuildRequires:  python3-devel
BuildRequires:  %{py3_dist scipy}
BuildRequires:  %{py3_dist matplotlib}
BuildRequires:  %{py3_dist numpy}
BuildRequires:  sparsehash-devel

Provides:       graph-tool%{?_isa} = %{version}-%{release}

# Not a setuptools style project, but leaving this in
%{?python_provide:%python_provide python3-%{modname}}

%description -n python3-%{modname} %_description

%prep
%autosetup -S git -n %{modname}-%{version}
# Remove shebangs
find . -type f -name "*.py" -exec sed -i '/^#![  ]*\/usr\/bin\/env.*$/ d' {} 2>/dev/null ';'


%build
./autogen.sh
%configure --with-python-module-path=%{python3_sitearch}
echo "Building with %{numthreads} of %{?_smp_build_ncpus} available CPUs"
# Uses the latest value set by -j
%make_build -j%{numthreads}

%install
%make_install

# Remove installed doc sources
rm -rf $RPM_BUILD_ROOT/%{_datadir}/doc/%{modname}

# Remove static objects
find $RPM_BUILD_ROOT -name "*.la" -delete


%files -n python3-%{modname}
%license LICENSE
%doc README.md ChangeLog AUTHORS
%{python3_sitearch}/%{pymodname}
%{_libdir}/pkgconfig/%{modname}-py%{python3_version}.pc

%changelog
* Fri Nov 01 2019 Ankur Sinha <ankursinha AT fedoraproject DOT org> - 2.29-1
- Remove unneeded shebangs

* Tue Oct 22 2019 Ankur Sinha <ankursinha AT fedoraproject DOT org> - 2.29-1
- Improve conditional to handle cases where _smp_build_ncpus is not defined
- Correct conditional hack

* Tue Oct 15 2019 Ankur Sinha <ankursinha AT fedoraproject DOT org> - 2.29-1
- Initial build