--- a/Make.proto	Mon Oct 31 12:24:17 2022 +0000
+++ b/Make.proto	Tue Dec 06 11:11:39 2022 +0000
@@ -34,7 +34,7 @@
 # add the path(es) here:,
 # ********** OPTIONAL: MODIFY the next lines ***
 # LOCALINCLUDES=-Ifoo -Ibar
-LOCALINCLUDES= -I$(INCLUDE_TOP)/stx/goodies/communication -I$(INCLUDE_TOP)/stx/libbasic -I$(INCLUDE_TOP)/stx/libbasic2 -I$(INCLUDE_TOP)/stx/libbasic3 -I$(INCLUDE_TOP)/stx/libview -I$(INCLUDE_TOP)/stx/libview2 -I$(INCLUDE_TOP)/stx/libwidg -I$(INCLUDE_TOP)/stx/libwidg2
+LOCALINCLUDES= -I$(INCLUDE_TOP)/stx/libbasic -I$(INCLUDE_TOP)/stx/libbasic2 -I$(INCLUDE_TOP)/stx/libbasic3 -I$(INCLUDE_TOP)/stx/libview -I$(INCLUDE_TOP)/stx/libview2 -I$(INCLUDE_TOP)/stx/libwidg -I$(INCLUDE_TOP)/stx/libwidg2
 
 
 # if you need any additional defines for embedded C code,
@@ -321,7 +321,7 @@
 $(OUTDIR)Win3LookPolicy.$(O) Win3LookPolicy.$(C) Win3LookPolicy.$(H): Win3LookPolicy.st $(INCLUDE_TOP)/stx/libbasic/Object.$(H) $(INCLUDE_TOP)/stx/libcompat/UILookPolicy.$(H) $(STCHDR)
 $(OUTDIR)ReferenceStream.$(O) ReferenceStream.$(C) ReferenceStream.$(H): ReferenceStream.st $(INCLUDE_TOP)/stx/libbasic/Object.$(H) $(INCLUDE_TOP)/stx/libbasic/PeekableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/PositionableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/ReadWriteStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Stream.$(H) $(INCLUDE_TOP)/stx/libbasic/WriteStream.$(H) $(INCLUDE_TOP)/stx/libcompat/DataStream.$(H) $(INCLUDE_TOP)/stx/libcompat/RWBinaryOrTextStream.$(H) $(STCHDR)
 $(OUTDIR)VAST__Kernel.$(O) VAST__Kernel.$(C) VAST__Kernel.$(H): VAST__Kernel.st $(INCLUDE_TOP)/stx/libbasic/Object.$(H) $(INCLUDE_TOP)/stx/libcompat/VAST__Application.$(H) $(INCLUDE_TOP)/stx/libcompat/VAST__SubApplication.$(H) $(STCHDR)
-$(OUTDIR)extensions.$(O): extensions.st $(INCLUDE_TOP)/stx/libbasic/ArithmeticValue.$(H) $(INCLUDE_TOP)/stx/libbasic/Array.$(H) $(INCLUDE_TOP)/stx/libbasic/ArrayedCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/Behavior.$(H) $(INCLUDE_TOP)/stx/libbasic/Character.$(H) $(INCLUDE_TOP)/stx/libbasic/CharacterArray.$(H) $(INCLUDE_TOP)/stx/libbasic/Class.$(H) $(INCLUDE_TOP)/stx/libbasic/ClassDescription.$(H) $(INCLUDE_TOP)/stx/libbasic/Collection.$(H) $(INCLUDE_TOP)/stx/libbasic/CompiledCode.$(H) $(INCLUDE_TOP)/stx/libbasic/Dictionary.$(H) $(INCLUDE_TOP)/stx/libbasic/ExecutableFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalAddress.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalLibrary.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalLibraryFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalStream.$(H) $(INCLUDE_TOP)/stx/libbasic/FileStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Filename.$(H) $(INCLUDE_TOP)/stx/libbasic/GenericException.$(H) $(INCLUDE_TOP)/stx/libbasic/Integer.$(H) $(INCLUDE_TOP)/stx/libbasic/Link.$(H) $(INCLUDE_TOP)/stx/libbasic/Magnitude.$(H) $(INCLUDE_TOP)/stx/libbasic/Metaclass.$(H) $(INCLUDE_TOP)/stx/libbasic/Method.$(H) $(INCLUDE_TOP)/stx/libbasic/NonPositionableExternalStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Number.$(H) $(INCLUDE_TOP)/stx/libbasic/Object.$(H) $(INCLUDE_TOP)/stx/libbasic/OrderedCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/PeekableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Point.$(H) $(INCLUDE_TOP)/stx/libbasic/PositionableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Process.$(H) $(INCLUDE_TOP)/stx/libbasic/ProjectDefinition.$(H) $(INCLUDE_TOP)/stx/libbasic/ReadStream.$(H) $(INCLUDE_TOP)/stx/libbasic/ReadWriteStream.$(H) $(INCLUDE_TOP)/stx/libbasic/SequenceableCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/Set.$(H) $(INCLUDE_TOP)/stx/libbasic/Smalltalk.$(H) $(INCLUDE_TOP)/stx/libbasic/Stream.$(H) $(INCLUDE_TOP)/stx/libbasic/String.$(H) $(INCLUDE_TOP)/stx/libbasic/Symbol.$(H) $(INCLUDE_TOP)/stx/libbasic/UninterpretedBytes.$(H) $(INCLUDE_TOP)/stx/libbasic/WriteStream.$(H) $(INCLUDE_TOP)/stx/libbasic2/Socket.$(H) $(INCLUDE_TOP)/stx/libbasic2/ZipArchive.$(H) $(INCLUDE_TOP)/stx/libbasic3/ChangeSet.$(H) $(INCLUDE_TOP)/stx/libbasic3/ClassOrganizer.$(H) $(INCLUDE_TOP)/stx/libview/Color.$(H) $(STCHDR)
+$(OUTDIR)extensions.$(O): extensions.st $(INCLUDE_TOP)/stx/libbasic/AbstractOperatingSystem.$(H) $(INCLUDE_TOP)/stx/libbasic/ArithmeticValue.$(H) $(INCLUDE_TOP)/stx/libbasic/Array.$(H) $(INCLUDE_TOP)/stx/libbasic/ArrayedCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/Behavior.$(H) $(INCLUDE_TOP)/stx/libbasic/Character.$(H) $(INCLUDE_TOP)/stx/libbasic/CharacterArray.$(H) $(INCLUDE_TOP)/stx/libbasic/Class.$(H) $(INCLUDE_TOP)/stx/libbasic/ClassDescription.$(H) $(INCLUDE_TOP)/stx/libbasic/Collection.$(H) $(INCLUDE_TOP)/stx/libbasic/CompiledCode.$(H) $(INCLUDE_TOP)/stx/libbasic/Dictionary.$(H) $(INCLUDE_TOP)/stx/libbasic/ExecutableFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalAddress.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalLibrary.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalLibraryFunction.$(H) $(INCLUDE_TOP)/stx/libbasic/ExternalStream.$(H) $(INCLUDE_TOP)/stx/libbasic/FileStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Filename.$(H) $(INCLUDE_TOP)/stx/libbasic/GenericException.$(H) $(INCLUDE_TOP)/stx/libbasic/Integer.$(H) $(INCLUDE_TOP)/stx/libbasic/Link.$(H) $(INCLUDE_TOP)/stx/libbasic/Magnitude.$(H) $(INCLUDE_TOP)/stx/libbasic/Metaclass.$(H) $(INCLUDE_TOP)/stx/libbasic/Method.$(H) $(INCLUDE_TOP)/stx/libbasic/NonPositionableExternalStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Number.$(H) $(INCLUDE_TOP)/stx/libbasic/Object.$(H) $(INCLUDE_TOP)/stx/libbasic/OrderedCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/PeekableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Point.$(H) $(INCLUDE_TOP)/stx/libbasic/PositionableStream.$(H) $(INCLUDE_TOP)/stx/libbasic/Process.$(H) $(INCLUDE_TOP)/stx/libbasic/ProjectDefinition.$(H) $(INCLUDE_TOP)/stx/libbasic/ReadStream.$(H) $(INCLUDE_TOP)/stx/libbasic/ReadWriteStream.$(H) $(INCLUDE_TOP)/stx/libbasic/SequenceableCollection.$(H) $(INCLUDE_TOP)/stx/libbasic/Set.$(H) $(INCLUDE_TOP)/stx/libbasic/Smalltalk.$(H) $(INCLUDE_TOP)/stx/libbasic/Stream.$(H) $(INCLUDE_TOP)/stx/libbasic/String.$(H) $(INCLUDE_TOP)/stx/libbasic/Symbol.$(H) $(INCLUDE_TOP)/stx/libbasic/UninterpretedBytes.$(H) $(INCLUDE_TOP)/stx/libbasic/WriteStream.$(H) $(INCLUDE_TOP)/stx/libbasic2/Socket.$(H) $(INCLUDE_TOP)/stx/libbasic2/ZipArchive.$(H) $(INCLUDE_TOP)/stx/libbasic3/ChangeSet.$(H) $(INCLUDE_TOP)/stx/libbasic3/ClassOrganizer.$(H) $(INCLUDE_TOP)/stx/libview/Color.$(H) $(STCHDR)
 
 # ENDMAKEDEPEND --- do not remove this line
 

--- a/bc.mak	Mon Oct 31 12:24:17 2022 +0000
+++ b/bc.mak	Tue Dec 06 11:11:39 2022 +0000
@@ -38,7 +38,7 @@
 LIB_BASE_LD_ARG=-b:$(LIBCOMPAT_BASE)
 
 
-LOCALINCLUDES= -I$(INCLUDE_TOP)\stx\goodies\communication -I$(INCLUDE_TOP)\stx\libbasic -I$(INCLUDE_TOP)\stx\libbasic2 -I$(INCLUDE_TOP)\stx\libbasic3 -I$(INCLUDE_TOP)\stx\libview -I$(INCLUDE_TOP)\stx\libview2 -I$(INCLUDE_TOP)\stx\libwidg -I$(INCLUDE_TOP)\stx\libwidg2
+LOCALINCLUDES= -I$(INCLUDE_TOP)\stx\libbasic -I$(INCLUDE_TOP)\stx\libbasic2 -I$(INCLUDE_TOP)\stx\libbasic3 -I$(INCLUDE_TOP)\stx\libview -I$(INCLUDE_TOP)\stx\libview2 -I$(INCLUDE_TOP)\stx\libwidg -I$(INCLUDE_TOP)\stx\libwidg2
 LOCALDEFINES=
 
 STCLOCALOPT=-package=$(PACKAGE) -I. $(LOCALINCLUDES) -headerDir=. $(STCLOCALOPTIMIZATIONS) $(STCWARNINGS) $(LOCALDEFINES)  -varPrefix=$(LIBNAME)
@@ -249,7 +249,7 @@
 $(OUTDIR)Win3LookPolicy.$(O) Win3LookPolicy.$(C) Win3LookPolicy.$(H): Win3LookPolicy.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libcompat\UILookPolicy.$(H) $(STCHDR)
 $(OUTDIR)ReferenceStream.$(O) ReferenceStream.$(C) ReferenceStream.$(H): ReferenceStream.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\PeekableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\PositionableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\ReadWriteStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Stream.$(H) $(INCLUDE_TOP)\stx\libbasic\WriteStream.$(H) $(INCLUDE_TOP)\stx\libcompat\DataStream.$(H) $(INCLUDE_TOP)\stx\libcompat\RWBinaryOrTextStream.$(H) $(STCHDR)
 $(OUTDIR)VAST__Kernel.$(O) VAST__Kernel.$(C) VAST__Kernel.$(H): VAST__Kernel.st $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libcompat\VAST__Application.$(H) $(INCLUDE_TOP)\stx\libcompat\VAST__SubApplication.$(H) $(STCHDR)
-$(OUTDIR)extensions.$(O): extensions.st $(INCLUDE_TOP)\stx\libbasic\ArithmeticValue.$(H) $(INCLUDE_TOP)\stx\libbasic\Array.$(H) $(INCLUDE_TOP)\stx\libbasic\ArrayedCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\Behavior.$(H) $(INCLUDE_TOP)\stx\libbasic\Character.$(H) $(INCLUDE_TOP)\stx\libbasic\CharacterArray.$(H) $(INCLUDE_TOP)\stx\libbasic\Class.$(H) $(INCLUDE_TOP)\stx\libbasic\ClassDescription.$(H) $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\CompiledCode.$(H) $(INCLUDE_TOP)\stx\libbasic\Dictionary.$(H) $(INCLUDE_TOP)\stx\libbasic\ExecutableFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalAddress.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalLibrary.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalLibraryFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalStream.$(H) $(INCLUDE_TOP)\stx\libbasic\FileStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Filename.$(H) $(INCLUDE_TOP)\stx\libbasic\GenericException.$(H) $(INCLUDE_TOP)\stx\libbasic\Integer.$(H) $(INCLUDE_TOP)\stx\libbasic\Link.$(H) $(INCLUDE_TOP)\stx\libbasic\Magnitude.$(H) $(INCLUDE_TOP)\stx\libbasic\Metaclass.$(H) $(INCLUDE_TOP)\stx\libbasic\Method.$(H) $(INCLUDE_TOP)\stx\libbasic\NonPositionableExternalStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Number.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\OrderedCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\PeekableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Point.$(H) $(INCLUDE_TOP)\stx\libbasic\PositionableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Process.$(H) $(INCLUDE_TOP)\stx\libbasic\ProjectDefinition.$(H) $(INCLUDE_TOP)\stx\libbasic\ReadStream.$(H) $(INCLUDE_TOP)\stx\libbasic\ReadWriteStream.$(H) $(INCLUDE_TOP)\stx\libbasic\SequenceableCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\Set.$(H) $(INCLUDE_TOP)\stx\libbasic\Smalltalk.$(H) $(INCLUDE_TOP)\stx\libbasic\Stream.$(H) $(INCLUDE_TOP)\stx\libbasic\String.$(H) $(INCLUDE_TOP)\stx\libbasic\Symbol.$(H) $(INCLUDE_TOP)\stx\libbasic\UninterpretedBytes.$(H) $(INCLUDE_TOP)\stx\libbasic\WriteStream.$(H) $(INCLUDE_TOP)\stx\libbasic2\Socket.$(H) $(INCLUDE_TOP)\stx\libbasic2\ZipArchive.$(H) $(INCLUDE_TOP)\stx\libbasic3\ChangeSet.$(H) $(INCLUDE_TOP)\stx\libbasic3\ClassOrganizer.$(H) $(INCLUDE_TOP)\stx\libview\Color.$(H) $(STCHDR)
+$(OUTDIR)extensions.$(O): extensions.st $(INCLUDE_TOP)\stx\libbasic\AbstractOperatingSystem.$(H) $(INCLUDE_TOP)\stx\libbasic\ArithmeticValue.$(H) $(INCLUDE_TOP)\stx\libbasic\Array.$(H) $(INCLUDE_TOP)\stx\libbasic\ArrayedCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\Behavior.$(H) $(INCLUDE_TOP)\stx\libbasic\Character.$(H) $(INCLUDE_TOP)\stx\libbasic\CharacterArray.$(H) $(INCLUDE_TOP)\stx\libbasic\Class.$(H) $(INCLUDE_TOP)\stx\libbasic\ClassDescription.$(H) $(INCLUDE_TOP)\stx\libbasic\Collection.$(H) $(INCLUDE_TOP)\stx\libbasic\CompiledCode.$(H) $(INCLUDE_TOP)\stx\libbasic\Dictionary.$(H) $(INCLUDE_TOP)\stx\libbasic\ExecutableFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalAddress.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalLibrary.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalLibraryFunction.$(H) $(INCLUDE_TOP)\stx\libbasic\ExternalStream.$(H) $(INCLUDE_TOP)\stx\libbasic\FileStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Filename.$(H) $(INCLUDE_TOP)\stx\libbasic\GenericException.$(H) $(INCLUDE_TOP)\stx\libbasic\Integer.$(H) $(INCLUDE_TOP)\stx\libbasic\Link.$(H) $(INCLUDE_TOP)\stx\libbasic\Magnitude.$(H) $(INCLUDE_TOP)\stx\libbasic\Metaclass.$(H) $(INCLUDE_TOP)\stx\libbasic\Method.$(H) $(INCLUDE_TOP)\stx\libbasic\NonPositionableExternalStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Number.$(H) $(INCLUDE_TOP)\stx\libbasic\Object.$(H) $(INCLUDE_TOP)\stx\libbasic\OrderedCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\PeekableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Point.$(H) $(INCLUDE_TOP)\stx\libbasic\PositionableStream.$(H) $(INCLUDE_TOP)\stx\libbasic\Process.$(H) $(INCLUDE_TOP)\stx\libbasic\ProjectDefinition.$(H) $(INCLUDE_TOP)\stx\libbasic\ReadStream.$(H) $(INCLUDE_TOP)\stx\libbasic\ReadWriteStream.$(H) $(INCLUDE_TOP)\stx\libbasic\SequenceableCollection.$(H) $(INCLUDE_TOP)\stx\libbasic\Set.$(H) $(INCLUDE_TOP)\stx\libbasic\Smalltalk.$(H) $(INCLUDE_TOP)\stx\libbasic\Stream.$(H) $(INCLUDE_TOP)\stx\libbasic\String.$(H) $(INCLUDE_TOP)\stx\libbasic\Symbol.$(H) $(INCLUDE_TOP)\stx\libbasic\UninterpretedBytes.$(H) $(INCLUDE_TOP)\stx\libbasic\WriteStream.$(H) $(INCLUDE_TOP)\stx\libbasic2\Socket.$(H) $(INCLUDE_TOP)\stx\libbasic2\ZipArchive.$(H) $(INCLUDE_TOP)\stx\libbasic3\ChangeSet.$(H) $(INCLUDE_TOP)\stx\libbasic3\ClassOrganizer.$(H) $(INCLUDE_TOP)\stx\libview\Color.$(H) $(STCHDR)
 
 # ENDMAKEDEPEND --- do not remove this line
 

--- a/extensions.st	Mon Oct 31 12:24:17 2022 +0000
+++ b/extensions.st	Tue Dec 06 11:11:39 2022 +0000
@@ -2,6 +2,23 @@
 
 "{ Package: 'stx:libcompat' }"!
 
+!AbstractOperatingSystem class methodsFor:'Compatibility-Pharo'!
+
+runCommand: aString
+    "Run given command using shell and wait for it.
+     Returns the exit code (zero for success)."
+
+    | exitCode |
+
+    exitCode := 0.
+    OperatingSystem
+            executeCommand:aString
+            onError:[:status | exitCode := status code ].   
+    ^ exitCode
+
+    "Created: / 05-12-2022 / 15:19:48 / Jan Vrany <jan.vrany@labware.com>"
+! !
+
 !Array class methodsFor:'Compatibility-Pharo'!
 
 with: anObject withAll: aCollection

--- a/stx_libcompat.st	Mon Oct 31 12:24:17 2022 +0000
+++ b/stx_libcompat.st	Tue Dec 06 11:11:39 2022 +0000
@@ -144,6 +144,21 @@
     )
 !
 
+referencedPreRequisites
+    "list packages which are a prerequisite, because they contain
+     classes which are referenced by my classes.
+     These packages are NOT needed as a prerequisite for compiling or loading,
+     however, a class from it may be referenced during execution and having it
+     unloaded then may lead to a runtime doesNotUnderstand error, unless the caller
+     includes explicit checks for the package being present.
+     This method is generated automatically,
+     by searching all classes (and their packages) which are referenced by my classes.
+     Please also take a look at the #mandatoryPreRequisites method"
+
+    ^ #(
+    )
+!
+
 subProjects
     "list packages which are known as subprojects.
      The generated makefile will enter those and make there as well.
@@ -574,6 +589,9 @@
         Collection flattened
         Integer radix:
         Object isPackageManifest
+        Filename readStreamDo:
+        Filename writeStreamDo:
+        'AbstractOperatingSystem class' runCommand:
     )
 ! !