Update build/init.sh

Co-authored-by: Grzegorz Nosek <grzegorz.nosek@sysdig.com>

build/README.md

@@ -0,0 +1,13 @@
+# Build Directory
+
+This is a special directory that is used to compile Falco.
+The flags and their options are defined in `init.sh`.
+Please edit `init.sh` to your liking.
+
+Then build Falco from this directory.
+
+```
+./init.sh
+make all
+```
+

build/init.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Copyright (C) 2019 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
+cmake ../ \
+      -DBUILD_BPF=OFF \
+      -DBUILD_WARNINGS_AS_ERRORS="OFF" \
+      -DCMAKE_BUILD_TYPE="Release" \
+      -DCMAKE_INSTALL_PREFIX="/usr" \
+      -DFALCO_ETC_DIR="/etc/falco" \
+      -DUSE_BUNDLED_DEPS=OFF