--- /dev/null
+Summary: A powerful pattern matching system for parsing and processing text
+Summary(pl.UTF-8): Potężny system dopasowywania wzorców do analizy i przetwarzania tekstu
+Name: grok
+%define snap 20170721
+%define gitref a52f42b1fa359db2145a70216ec5b4ef43d57b5c
+# git history shows 1.2011xxxx, then 0.9.y... use 0 for now
+Version: 0
+Release: 0.%{snap}.1
+License: BSD
+Group: Libaries
+#Source0Download: https://github.com/jordansissel/grok/releases
+Source0: https://github.com/jordansissel/grok/archive/%{gitref}/%{name}-%{snap}.tar.gz
+# Source0-md5: 1d09b3aa6ebac202680227faa26e742e
+Patch0: %{name}-gperf.patch
+URL: https://github.com/jordansissel/grok
+BuildRequires: bison
+BuildRequires: flex
+BuildRequires: gperf
+BuildRequires: libevent-devel
+BuildRequires: pcre-devel >= 7.6
+BuildRequires: tokyocabinet-devel >= 1.4.9
+Requires: libevent
+Requires: pcre >= 7.6
+Requires: tokyocabinet >= 1.4.9
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+A powerful pattern matching system for parsing and processing text
+data such as log files.
+
+%description -l pl.UTF-8
+Potężny system dopasowywania wzorców do analizy i przetwarzania danych
+tekstowych, takich jak pliki logów.
+
+%package devel
+Summary: Grok development headers
+Summary(pl.UTF-8): Pliki nagłówkowe biblioteki grok
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+Requires: pcre-devel >= 7.6
+Requires: tokyocabinet-devel >= 1.4.9
+
+%description devel
+Headers required for grok development.
+
+%description devel -l pl.UTF-8
+Pliki nagłówkowe do tworzenia programów z użyciem biblioteki grok.
+
+%prep
+%setup -q -n %{name}-%{gitref}
+%patch0 -p1
+
+%build
+%{__make} \
+ CC="%{__cc}" \
+ CFLAGS="%{rpmcflags} -fPIC -pipe -I. -DPLATFORM_GNULinux" \
+ LDFLAGS="%{rpmldflags} -rdynamic -lpcre -levent -ltokyocabinet -ldl"
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT{%{_bindir},%{_libdir},%{_includedir},%{_datadir}/grok/patterns}
+
+install grok discogrok $RPM_BUILD_ROOT%{_bindir}
+install libgrok.so $RPM_BUILD_ROOT%{_libdir}
+cp -p patterns/base $RPM_BUILD_ROOT%{_datadir}/grok/patterns/base
+cp -p grok.h grok_pattern.h grok_capture.h grok_capture_xdr.h grok_match.h grok_logging.h grok_discover.h grok_version.h \
+ $RPM_BUILD_ROOT%{_includedir}
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(644,root,root,755)
+%attr(755,root,root) %{_bindir}/discogrok
+%attr(755,root,root) %{_bindir}/grok
+%attr(755,root,root) %{_libdir}/libgrok.so
+%{_datadir}/grok
+
+%files devel
+%defattr(644,root,root,755)
+%{_includedir}/grok*.h