Added helper scripts for platform package dependencies, build and install

ci/build.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+# build.sh runs autogen/configure and then builds CFEngine core
+# the script should take into account the operating system environment and adjust, such as --without-pam on termux, BSDs and such
+set -ex
+thisdir="$(dirname "$0")"
+cd "$thisdir"/..
+OPTS="--enable-debug"
+
+if [ -n "$TERMUX_VERSION" ]; then
+  OPTS="$OPTS --without-pam"
+fi
+
+./autogen.sh $OPTS
+make

ci/dependencies.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+# dependencies.sh is called by install.sh to install libraries and packages needed to build and install CFEngine from source.
+set -ex
+# limited support here, focused on rhel-like on aarch64 which has no previous CFEngine version to leverage: ENT-13016
+if [ -f /etc/os-release ]; then
+  source /etc/os-release
+  VERSION_MAJOR=${VERSION_ID%.*}
+  if [ "$ID" = "rhel" ] || [[ "$ID_LIKE" =~ "rhel" ]]; then
+    if [ "$VERSION_MAJOR" -ge "10" ]; then
+      # note that having a redhat subscription makes things easier: lmdb-devel and librsync-devel are available from codeready-builder repo
+      if subscription-manager status; then
+        sudo subscription-manager config --rhsm.manage_repos=1
+        sudo subscription-manager repos --enable codeready-builder-for-rhel-"$VERSION_MAJOR"-"$(uname -m)"-rpms
+        sudo dnf install --assumeyes https://dl.fedoraproject.org/pub/epel/epel-release-latest-"$VERSION_MAJOR".noarch.rpm
+        sudo dnf install --assumeyes flex-devel lmdb-devel librsync-devel fakeroot # only available via subscription with codeready-builder installed
+        # flex-devel, libyaml-devel and fakeroot are also only available easily from codeready-builder but are not critical to building CFEngine usable enough to configure a build host.
+        # fakeroot is only needed for running tests but can be worked around by using GAINROOT=env with tests/acceptance/testall script
+      else
+        # here we assume no subscription and so must build those two dependencies from source :)
+        sudo yum groups install -y 'Development Tools'
+        sudo yum update --assumeyes
+        sudo yum install -y gcc gdb make git libtool autoconf automake byacc flex openssl-devel pcre2-devel pam-devel libxml2-devel
+        tmpdir="$(mktemp -d)"
+        echo "Building lmdb and librsync in $tmpdir"
+        (
+          cd "$tmpdir"
+          git clone --recursive --depth 1 https://github.com/LMDB/lmdb
+          cd lmdb/libraries/liblmdb
+          make
+          sudo make install prefix=/usr
+          cd -
+          sudo dnf install -y cmake
+          git clone --recursive --depth 1 https://github.com/librsync/librsync
+          cd librsync
+          cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release .
+          make
+          sudo make install
+        )
+      fi
+    else
+      echo "Unsupported version of redhat for $0"
+      exit 1
+    fi
+  else
+    echo "Unsupported distribution based on /etc/os-release."
+  fi
+elif [ -n "$TERMUX_VERSION" ]; then
+  pkg install build-essential git autoconf automake bison flex liblmdb openssl pcre2 libacl libyaml
+else
+  echo "Unsupported operating system for $0"
+  exit 1
+fi
+

ci/install.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# install.sh ensures dependencies are installed, builds core, then installs it
+set -ex
+thisdir=$(dirname $0)
+"$thisdir"/dependencies.sh
+"$thisdir"/build.sh
+cd "$thisdir"/..
+GAINROOT=""
+if [ ! -n "$TERMUX_VERSION" ]; then
+  GAINROOT="sudo"
+fi
+
+$GAINROOT make install