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Name: vlfeat
Version: 0.9.21
Release: alt1.2

Summary: VLFeat is a cross-platform open source collection of vision algorithms
License: BSD-2-Clause
Group: Sciences/Mathematics

Url: https://www.vlfeat.org
Vcs: git://github.com/vlfeat/vlfeat.git
Packager: Pavel Skrylev <majioa at altlinux.org>

Source0: %name-%version.tar
Source1: CMakeLists.txt
Source2: FindVLFeat.cmake
Patch: vlfeat-alt.patch

BuildRequires(pre): rpm-macros-cmake
BuildRequires: cmake
BuildRequires: gcc
BuildRequires: glibc-devel
BuildRequires: octave-devel
BuildRequires: libgomp-devel

%description
VLFeat is a cross-platform open source collection of vision algorithms
with a special focus on visual features (for instance SIFT and MSER) and
clustering (k-means, hierarchical k-means, agglomerative information
bottleneck). It bundles a MATLAB toolbox, a clean and portable C library and a
number of command line utilities. Thus it is possible to use the same algorithm
both from MATLAB, the command line, and your own programs.

%package -n lib%name
Group: System/Libraries
Summary: Library code for %name

%description -n lib%name
%summary.

%package -n lib%name-devel
Group: Development/C++
Summary: Development files for %name

Requires: lib%name = %EVR

%description -n lib%name-devel
%summary.

%prep
%setup
%patch
cp %SOURCE1 CMakeLists.txt
%ifarch %e2k
# must be another LCC
sed -i "s/defined(__LCC__)/0/" vl/host.h
# LCC cannot work with expressions inside openmp pragmas
sed -i -E ":a;/\\\\$/{N;ba};\
/^[[:space:]]*#pragma omp .*[[:space:]](num_threads|if)\(/{s/#/for(long &/;\
s/(#.*num_threads\()([^()]*(\(\))*)\)/_xxxn=\\2,\\1_xxxn)/;\
s/(#.*if\()([^()]*)\)/_xxxi=\\2,\\1_xxxi)/;\
s/#/_xxxc=1;_xxxc;_xxxc=0)\n&/}" vl/*.c
# -fopenmp also needs to be specified for linking
sed -i "/add_definitions(-fopenmp)/a add_link_options(-fopenmp)" CMakeLists.txt
%endif

%build
%cmake
%cmake_build -j1

%install
%cmakeinstall_std
install -Dm644 %SOURCE2 %buildroot%_datadir/cmake/Modules/FindVLFeat.cmake

%files
%doc README*
%_bindir/*
%_man1dir/*
%_man7dir/*

%files -n lib%name
%doc README*
%_libdir/lib%{name}*.so.*

%files -n lib%name-devel
%_includedir/vl
%_libdir/lib%name.so
%_datadir/cmake/Modules/*.cmake

%changelog
…
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