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Name: zxing-cpp
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Version: 1.2.0
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Release: 1%{?dist}
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Summary: C++ port of the ZXing ("Zebra Crossing") barcode scanning library
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# The entire source is ASL 2.0, except:
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#
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# - TextCodec files, that is, core/src/textcodec/*, are
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# (LGPLv2 with exceptions or LGPLv3 with exceptions).
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# - core/src/textcodec/JPText{En,De}coder.* are, formally,
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# ((LGPLv2 with exceptions or LGPLv3 with exceptions) and BSD),
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# which still forms an effective license of
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# (LGPLv2 with exceptions or LGPLv3 with exceptions)
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# - wrappers/wasm/base64ArrayBuffer.js is MIT (but is not used)
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# - thirdparty/stb/stb_image.h and thirdparty/stb/stb_image_write.h are MIT
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# (but are unbundled)
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#
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# The resulting effective license for the combined library is:
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License: LGPLv2 with exceptions or LGPLv3 with exceptions
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Url: https://github.com/nu-book/zxing-cpp
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Source0: %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
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BuildRequires: gcc-c++
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BuildRequires: cmake
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BuildRequires: cmake(fmt)
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# -static BR’s required by guidelines for tracking of header-only libraries:
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BuildRequires: stb_image-devel
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BuildRequires: stb_image-static
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BuildRequires: stb_image_write-devel
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BuildRequires: stb_image_write-static
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# https://github.com/nu-book/zxing-cpp/issues/248
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Patch0: 0001-Add-a-mode-to-build-against-system-versions-of-depen.patch
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# Update stb_image/stb_image_write
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# https://github.com/nu-book/zxing-cpp/pull/269
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# Fixes CVE-2021-28021, CVE-2021-42715, and CVE-2021-42716, and adds a patch
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# file for zxing-cpp-specific changes
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Patch1: %{url}/pull/269.patch
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# Use the system copy of pybind11 rather than trying to download a copy. This
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# patch is unconditional, so it is not, as-is, suitable for sending upstream.
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Patch2: zxing-cpp-1.2.0-system-pybind11.patch
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%description
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ZXing-C++ ("zebra crossing") is an open-source, multi-format 1D/2D barcode
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image processing library implemented in C++.
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%package devel
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# The entire contents are ASL 2.0, except:
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#
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# - %%{_includedir}/ZXing/textcodec/*.h are exactly or effectively
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# (LGPLv2 with exceptions or LGPLv3 with exceptions)
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#
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# See licensing breakdown above base package’s License field for further
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# details.
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License: ASL 2.0 and (LGPLv2 with exceptions or LGPLv3 with exceptions)
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Summary: Development files for %{name}
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Requires: %{name}%{?_isa} = %{version}-%{release}
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%description devel
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The %{name}-devel package contains libraries and header files for
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developing applications that use %{name}.
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%package -n python3-%{name}
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Summary: Python bindings for the %{name} barcode library
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BuildRequires: python3-devel
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BuildRequires: pybind11-devel
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BuildRequires: chrpath
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Requires: %{name}%{?_isa} = %{version}-%{release}
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%description -n python3-%{name}
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%{summary}.
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%prep
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%autosetup -p1
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# remove bundled stb libraries:
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rm -v thirdparty/stb/stb_image_write.h thirdparty/stb/stb_image.h
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# stb_image.h is trivially forked: reconstruct the changes with the latest
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# unbundled copy
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cp -p %{_includedir}/stb/stb_image.h thirdparty/stb/
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pushd thirdparty/stb
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patch -p1 < stb_image.patch
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popd
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# don’t use unversioned “python” interpreter in tests
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sed -r -i 's@(COMMAND )python@\1%{python3}@' wrappers/python/CMakeLists.txt
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# we don’t need cmake as a python dependency
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sed -r -i '/cmake/d' wrappers/python/pyproject.toml
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# build verbosely:
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%generate_buildrequires
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pushd wrappers/python &>/dev/null
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%pyproject_buildrequires -r
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popd &>/dev/null
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%build
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# Setting BUILD_PYTHON_MODULE builds a Python extension shared library module,
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# but we don’t get any metadata (dist-info), so it’s not terribly useful for
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# packaging purposes. Instead, it seems we must re-build the whole library
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# through setuptools to get that.
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%cmake -DBUILD_EXAMPLES=OFF -DBUILD_PYTHON_MODULE=ON
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%cmake_build
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pushd wrappers/python
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# CMake respects this environment variable. We need to see the compiler
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# invocations to verify the distro build flags are respected. Unfortunately,
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# pybind11 does add -O3, and there doesn’t seem to be a way to turn that off.
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# It’s a global pybind11 decision, not something in this package’s sources.
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export VERBOSE=1
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%pyproject_wheel
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popd
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%install
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%cmake_install
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pushd wrappers/python
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%pyproject_install
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# Now we do something sneaky: we substitute the Python extension that was built
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# in the original CMake invocation, replacing the one built with setuptools. It
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# is dynamically linked against the main libZXing.so, which makes it smaller,
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# and it was not built with that pesky -O3 that was added by pybind11, so it
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# better complies with packaging guidelines. The only problem is it contains an
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# rpath that we need to remove.
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popd
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install -t '%{buildroot}%{python3_sitearch}' -p \
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%{_vpath_builddir}/wrappers/python/zxingcpp.*.so
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chrpath --delete %{buildroot}%{python3_sitearch}/zxingcpp.*.so
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pushd wrappers/python
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%pyproject_save_files zxingcpp
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popd
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%check
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%ctest
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%files
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%license LICENSE LICENSE.ZXing LICENSE.Qt LGPL_EXCEPTION.Qt NOTICE
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%{_libdir}/libZXing.so.1
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%{_libdir}/libZXing.so.%{version}
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%files devel
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%doc README.md
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%{_includedir}/ZXing/
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%{_libdir}/libZXing.so
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%{_libdir}/cmake/ZXing/
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%{_libdir}/pkgconfig/zxing.pc
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%files -n python3-%{name} -f %{pyproject_files}
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%changelog
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* Fri Dec 10 2021 Caolán McNamara <caolanm@redhat.com> 1.2.0-1
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- initial import
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