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+##
+##  btyacc.spec -- OpenPKG RPM Specification
+##  Copyright (c) 2000-2002 Cable & Wireless Deutschland GmbH
+##  Copyright (c) 2000-2002 The OpenPKG Project <http://www.openpkg.org/>
+##  Copyright (c) 2000-2002 Ralf S. Engelschall <rse@engelschall.com>
+##
+##  Permission to use, copy, modify, and distribute this software for
+##  any purpose with or without fee is hereby granted, provided that
+##  the above copyright notice and this permission notice appear in all
+##  copies.
+##
+##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+##  SUCH DAMAGE.
+##
+
+#   package version
+%define       V_real 3-0
+%define       V_here 3.0
+
+#   package information
+Name:         btyacc
+Summary:      Backtracking Berkeley Yacc
+URL:          http://www.siber.com/btyacc/
+Vendor:       BSD
+Packager:     The OpenPKG Project
+Distribution: OpenPKG [EXP]
+Group:        Text
+License:      BSD
+Version:      %{V_here}
+Release:      20020716
+
+#   list of sources
+Source0:      http://www.siber.com/btyacc/btyacc-%{V_real}.tar.gz
+
+#   build information
+Prefix:       %{l_prefix}
+BuildRoot:    %{l_buildroot}
+BuildPreReq:  OpenPKG, openpkg >= 20020206
+PreReq:       OpenPKG, openpkg >= 20020206
+AutoReq:      no
+AutoReqProv:  no
+
+%description
+    This is original Berkeley Yacc modified by Chris Dodd and then
+    further enhanced by Vadim Maslov of Siber Systems to support
+    backtracking in order to better fit production environment.
+
+%prep
+    %setup -q -c
+
+%build
+    %{l_make} %{l_mflags -O} \
+        CC="%{l_cc}" \
+        CFLAGS="%{l_cflags -O}"
+
+%install
+    rm -rf $RPM_BUILD_ROOT
+    %{l_shtool} mkdir -f -p -m 755 \
+        $RPM_BUILD_ROOT%{l_prefix}/bin \
+        $RPM_BUILD_ROOT%{l_prefix}/man/man1
+    %{l_shtool} install -c -s -m 755 \
+        btyacc $RPM_BUILD_ROOT%{l_prefix}/bin/
+    %{l_shtool} install -c -m 644 \
+        manpage $RPM_BUILD_ROOT%{l_prefix}/bin/btyacc.1
+    %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT %{l_files_std}
+
+%files -f files
+
+%clean
+    rm -rf $RPM_BUILD_ROOT
+