diff --git a/BasiliskII/src/Unix/Makefile.in b/BasiliskII/src/Unix/Makefile.in
index 0226b0dc..2c0ff68f 100644
--- a/BasiliskII/src/Unix/Makefile.in
+++ b/BasiliskII/src/Unix/Makefile.in
@@ -98,24 +98,26 @@ $(GUI_APP)$(EXEEXT): $(OBJ_DIR) $(GUI_OBJS)
 	$(CXX) -o $@ $(LDFLAGS) $(GUI_OBJS) $(GUI_LIBS)
 
 $(APP)_app: $(APP) ../MacOSX/Info.plist ../MacOSX/$(APP).icns
+	rm -rf $(APP_APP)/Contents
 	mkdir -p $(APP_APP)/Contents
-	cp -f ../MacOSX/Info.plist $(APP_APP)/Contents/
+	./cpr.sh ../MacOSX/Info.plist $(APP_APP)/Contents/
 	echo -n 'APPL????' > $(APP_APP)/Contents/PkgInfo
 	mkdir -p $(APP_APP)/Contents/MacOS
-	cp -f $(APP) $(APP_APP)/Contents/MacOS/
+	./cpr.sh $(APP) $(APP_APP)/Contents/MacOS/
 	strip -x $(APP_APP)/Contents/MacOS/$(APP)
 	mkdir -p $(APP_APP)/Contents/Resources
-	cp -f ../MacOSX/$(APP).icns $(APP_APP)/Contents/Resources/
+	./cpr.sh ../MacOSX/$(APP).icns $(APP_APP)/Contents/Resources/
 
 $(GUI_APP)_app: $(GUI_APP) ../MacOSX/Info.plist ../MacOSX/$(APP).icns
+	rm -rf $(GUI_APP_APP)/Contents
 	mkdir -p $(GUI_APP_APP)/Contents
 	sed -e "s/$(APP)/$(GUI_APP)/" < ../MacOSX/Info.plist > $(GUI_APP_APP)/Contents/Info.plist
 	echo -n 'APPL????' > $(GUI_APP_APP)/Contents/PkgInfo
 	mkdir -p $(GUI_APP_APP)/Contents/MacOS
-	cp -f $(GUI_APP) $(GUI_APP_APP)/Contents/MacOS/
+	./cpr.sh $(GUI_APP) $(GUI_APP_APP)/Contents/MacOS/
 	strip -x $(GUI_APP_APP)/Contents/MacOS/$(GUI_APP)
 	mkdir -p $(GUI_APP_APP)/Contents/Resources
-	cp -f ../MacOSX/$(APP).icns $(GUI_APP_APP)/Contents/Resources/$(GUI_APP).icns
+	./cpr.sh ../MacOSX/$(APP).icns $(GUI_APP_APP)/Contents/Resources/$(GUI_APP).icns
 
 modules:
 	cd Linux/NetDriver; make
diff --git a/BasiliskII/src/Unix/cpr.sh b/BasiliskII/src/Unix/cpr.sh
new file mode 100755
index 00000000..66223894
--- /dev/null
+++ b/BasiliskII/src/Unix/cpr.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# A script to copy recursively ignoring detritus.
+# I based this off of a script I had that copied over ssh.
+# source can be a file or directory.
+# Mike Sliczniak 2009
+
+# Don't copy resource forks or extended attributes on Mac OS X 10.4.
+COPY_EXTENDED_ATTRIBUTES_DISABLE=true; export COPY_EXTENDED_ATTRIBUTES_DISABLE
+
+# Don't copy resource forks or extended attributes on Mac OS X 10.5.
+COPYFILE_DISABLE=true; export COPYFILE_DISABLE
+
+case $# in
+  2)
+	;;
+  *)
+	echo "Usage: cpr source destdir" >&2
+	exit 2
+	;;
+esac
+
+# dir and base names of the source
+d=`dirname "$1"` || exit
+b=`basename "$1"` || exit
+
+# handle relative and absolute destination dirs
+case "$2" in
+  /*)
+	p=$2
+	;;
+  *)
+	p="$PWD"/"$2"
+	;;
+esac
+
+# cd into the source dir
+cd "$d" || exit
+
+# This is only for Mac OS X, but some systems do not have gtar, find
+# sometimes lacks -f, and other systems use test -a.
+
+# List all interesting files for tar to copy:
+# The first clause skips directories used for revision control.
+# The second clause ignores detritus files from revision control and OSs.
+# The third clause ignores ._ style files created by Mac OS X on file systems
+# that do not have native resource forks or extended attributes. It checks to
+# see that the file it is associated with exists.
+find -f "$b" \( \! \( -type d \( \
+  -name CVS -o -name RCS -o -name SCCS -o -name .git -o -name .svn \
+\) -prune \) \) \
+\
+\( \! \( -type f \( \
+  -name .DS_Store -o -name Thumbs.db -o -name .cvsignore -o -name .gitignore \
+\) \) \) \
+\
+\( \! \( \
+  -type f -name '._*' -execdir /bin/sh -c \
+    'f=`echo "$1" | sed "s:^\._:./:"`; [ -e "$f" ]' /bin/sh '{}' \; \
+\) \) -print0 | tar -c -f - --null -T - --no-recursion | tar -x -C "$p" -f -