Added scripts to sync rpi files for potential cross-compile.x

script/sync-pi-sysroot.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+HOST=$1
+if [[ -z $HOST ]]; then
+  printf "usage: sync-pi-sysroot.sh <pi_hostname>"
+  exit 1
+fi
+
+# https://mechatronicsblog.com/cross-compile-and-deploy-qt-5-12-for-raspberry-pi/
+mkdir -p sysroot/usr
+mkdir -p sysroot/opt
+rsync -avz pi@$HOST:/lib sysroot
+rsync -avz pi@$HOST:/usr/include sysroot/usr
+rsync -avz pi@$HOST:/usr/lib sysroot/usr
+rsync -avz pi@$HOST:/opt/vc sysroot/opt
+
+# https://raw.githubusercontent.com/riscv/riscv-poky/master/scripts/sysroot-relativelinks.py
+$SCRIPT_DIR/update-pi-sysroot-symlinks.py ./sysroot

script/update-pi-sysroot-symlinks.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+import sys
+import os
+
+# Take a sysroot directory and turn all the abolute symlinks and turn them into
+# relative ones such that the sysroot is usable within another system.
+
+if len(sys.argv) != 2:
+    print("Usage is " + sys.argv[0] + "<directory>")
+    sys.exit(1)
+
+topdir = sys.argv[1]
+topdir = os.path.abspath(topdir)
+
+def handlelink(filep, subdir):
+    link = os.readlink(filep)
+    if link[0] != "/":
+        return
+    if link.startswith(topdir):
+        return
+    #print("Replacing %s with %s for %s" % (link, topdir+link, filep))
+    print("Replacing %s with %s for %s" % (link, os.path.relpath(topdir+link, subdir), filep))
+    os.unlink(filep)
+    os.symlink(os.path.relpath(topdir+link, subdir), filep)
+
+for subdir, dirs, files in os.walk(topdir):
+    for f in files:
+        filep = os.path.join(subdir, f)
+        if os.path.islink(filep):
+            #print("Considering %s" % filep)
+            handlelink(filep, subdir)