Suggestions from bdring, added build-all scripts

build-all.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# This shell script uses PlatformIO to compile Grbl_ESP32
+# for every machine configuration in the Machines/ directory.
+# It is useful for automated testing.
+
+trap "echo; exit" SIGINT
+
+# With -v, show all output.  Otherwise, show just the result
+if [ "$1" = "-v" ]; then
+   FILTER="cat"
+else
+   FILTER="grep error\|Took"
+fi
+BuildMachine () {
+    basename=$1
+    addname=$2
+    BF="-DMACHINE_FILENAME=$basename"
+    displayname=$basename
+    if [ "$addname" != "" ]
+    then
+        BF="$BF -DMACHINE_FILENAME2=$addname"
+        displayname="$basename + $addname"
+    fi
+    echo "Building machine $displayname"
+    PLATFORMIO_BUILD_FLAGS=\'$BF\' platformio run 2>&1 | $FILTER
+    echo
+}
+
+# First build all the base configurations with names that do not start with add_
+for file in `ls ./Grbl_Esp32/Machines/* | grep -v add_\*`; do
+    base=`basename $file`
+    BuildMachine $base ""
+done
+
+# Then build all of the add-ons on top of a single base
+base="3axis_v4.h"
+for file in `ls ./Grbl_Esp32/Machines/add_*`
+do
+    adder=`basename $file`
+    BuildMachine $base $adder
+done