gflags: Package gflags, initial build

Change-Id: I9443a9b4db28f1092118b674c5c5051bf762ec8e
Signed-off-by: Shreenidhi Shedi <sshedi@vmware.com>
Reviewed-on: http://photon-jenkins.eng.vmware.com:8082/16764
Tested-by: gerrit-photon <photon-checkins@vmware.com>
Reviewed-by: Tapas Kundu <tkundu@vmware.com>

SPECS/gflags/gflags.spec

@@ -0,0 +1,71 @@
+Summary:        Library for commandline flag processing
+Name:           gflags
+Version:        2.2.2
+Release:        1%{?dist}
+License:        MIT
+Group:          Development/Libraries/C++
+Vendor:         VMware, Inc.
+Distribution:   Photon
+Url:            https://gflags.github.io/gflags
+
+Source0: https://github.com/%{name}/%{name}/archive/v%{version}/%{name}-%{version}.tar.gz
+%define sha512 %{name}=98c4703aab24e81fe551f7831ab797fb73d0f7dfc516addb34b9ff6d0914e5fd398207889b1ae555bac039537b1d4677067dae403b64903577078d99c1bdb447
+
+BuildRequires:  cmake
+BuildRequires:  gcc
+
+%description
+The gflags package contains a C++ library that implements
+commandline flags processing. It includes built-in support
+for standard types such as string and the ability to define
+flags in the source file in which they are used.
+
+%package devel
+Summary:    Development files for %{name}
+Group:      Development/Libraries/C++
+Requires:   %{name} = %{version}-%{release}
+
+%description devel
+Development files for %{name} library.
+
+%prep
+%autosetup -p1
+
+%build
+%cmake -DBUILD_TESTING:BOOL=ON \
+       -DINSTALL_HEADERS:BOOL=ON \
+       -DREGISTER_BUILD_DIR:BOOL=OFF \
+       -DREGISTER_INSTALL_PREFIX:BOOL=OFF
+
+%cmake_build
+
+%install
+%cmake_install
+
+%if 0%{?with_check}
+%check
+%ctest
+%endif
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%license COPYING.txt
+%doc AUTHORS.txt ChangeLog.txt README.md
+%{_bindir}/gflags_completions.sh
+%{_libdir}/libgflags.so.*
+%{_libdir}/libgflags_nothreads.so.*
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/%{name}/
+%{_libdir}/libgflags.so
+%{_libdir}/libgflags_nothreads.so
+%{_libdir}/cmake/%{name}/
+%{_libdir}/pkgconfig/%{name}.pc
+
+%changelog
+* Mon Apr 04 2022 Prashant S Chauhan <psinghchauha@vmware.com> 2.2.2-1
+- gflags initial build