mdbx: move RPM-related files into subdir to avoid confusion.

Change-Id: I32a9746cfa0124e359010cb2688bd08214c6516f

packages/rpm/build.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+CONFIG=$1
+
+if [[ -z "${CONFIG}" ]]; then
+    CONFIG=Debug
+fi
+if [[ -r /opt/rh/devtoolset-6/enable ]]; then
+    source /opt/rh/devtoolset-6/enable
+fi
+#rm -f -r build || true
+mkdir -p cmake-build-${CONFIG}
+pushd  cmake-build-${CONFIG} &> /dev/null
+if [[ ! -r Makefile ]]; then
+    cmake .. -DCMAKE_BUILD_TYPE=${CONFIG}
+fi
+make -j8 || exit 1
+popd &> /dev/null