QATAPP-23943: Add script to generate rpm spec from template

- Add script to generate qatzip.spec from template qatzip.spec.in
  inside the repo

Signed-off-by: Chengfei Zhu <chengfei.zhu@intel.com>

specgen.sh

@@ -0,0 +1,49 @@
+#! /bin/bash
+################################################################
+#   BSD LICENSE
+#
+#   Copyright(c) 2007-2021 Intel Corporation. All rights reserved.
+#   All rights reserved.
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in
+#       the documentation and/or other materials provided with the
+#       distribution.
+#     * Neither the name of Intel Corporation nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+#   "AS IS" AND ANY EXPRESS 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 COPYRIGHT
+#   OWNER OR 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.
+#
+################################################################
+set -o errexit
+
+# extract version numbers from qatzip_internal.h
+VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < src/qatzip_internal.h`
+
+# Generate qatzip.spec
+echo "Generating qatzip.spec"
+echo "QATzip version: $VER"
+sed  < qatzip.spec.in 's/VERSION/'"$VER"'/g'> qatzip.spec
+
+if [ -f qatzip.spec ];then
+  echo "qatzip.spec generated"
+else
+  echo "Failed to generate qatzip.spec"
+fi