diff -ru bzip2-1.0.1/Makefile bzip2-1.0.1-patched/Makefile
--- bzip2-1.0.1/Makefile	Fri Jun 23 22:34:47 2000
+++ bzip2-1.0.1-patched/Makefile	Tue Mar 27 10:15:21 2001
@@ -1,8 +1,14 @@
 
+# This Makefile builds a shared version of the library,
+# libbz2.1.0.1.dylib, with install_name .../libbz2.1.dylib,
+# on Darwin and Mac OS X.
+
+PREFIX=/usr
+
 SHELL=/bin/sh
-CC=gcc
+CC=cc
 BIGFILES=-D_FILE_OFFSET_BITS=64
-CFLAGS=-Wall -Winline -O2 -fomit-frame-pointer -fno-strength-reduce $(BIGFILES)
+CFLAGS=-fno-common -Wall -Winline -O2 -fomit-frame-pointer -fno-strength-reduce $(BIGFILES)
 
 OBJS= blocksort.o  \
       huffman.o    \
@@ -12,31 +18,28 @@
       decompress.o \
       bzlib.o
 
-all: libbz2.a bzip2 bzip2recover test
+all: libbz2.dylib bzip2 bzip2recover test
 
-bzip2: libbz2.a bzip2.o
+bzip2: libbz2.dylib bzip2.o
 	$(CC) $(CFLAGS) -o bzip2 bzip2.o -L. -lbz2
 
 bzip2recover: bzip2recover.o
 	$(CC) $(CFLAGS) -o bzip2recover bzip2recover.o
 
-libbz2.a: $(OBJS)
-	rm -f libbz2.a
-	ar cq libbz2.a $(OBJS)
-	@if ( test -f /usr/bin/ranlib -o -f /bin/ranlib -o \
-		-f /usr/ccs/bin/ranlib ) ; then \
-		echo ranlib libbz2.a ; \
-		ranlib libbz2.a ; \
-	fi
+libbz2.dylib: $(OBJS)
+	rm -f libbz2.dylib libbz2.*.dylib
+	$(CC) -dynamiclib -o libbz2.1.0.1.dylib $(OBJS) -install_name $(PREFIX)/lib/libbz2.1.dylib -compatibility_version 1.0.1 -current_version 1.0.1
+	ln -s libbz2.1.0.1.dylib libbz2.1.dylib
+	ln -s libbz2.1.0.1.dylib libbz2.dylib
 
 test: bzip2
 	@cat words1
-	./bzip2 -1  < sample1.ref > sample1.rb2
-	./bzip2 -2  < sample2.ref > sample2.rb2
-	./bzip2 -3  < sample3.ref > sample3.rb2
-	./bzip2 -d  < sample1.bz2 > sample1.tst
-	./bzip2 -d  < sample2.bz2 > sample2.tst
-	./bzip2 -ds < sample3.bz2 > sample3.tst
+	DYLD_LIBRARY_PATH=. ./bzip2 -1  < sample1.ref > sample1.rb2
+	DYLD_LIBRARY_PATH=. ./bzip2 -2  < sample2.ref > sample2.rb2
+	DYLD_LIBRARY_PATH=. ./bzip2 -3  < sample3.ref > sample3.rb2
+	DYLD_LIBRARY_PATH=. ./bzip2 -d  < sample1.bz2 > sample1.tst
+	DYLD_LIBRARY_PATH=. ./bzip2 -d  < sample2.bz2 > sample2.tst
+	DYLD_LIBRARY_PATH=. ./bzip2 -ds < sample3.bz2 > sample3.tst
 	cmp sample1.bz2 sample1.rb2 
 	cmp sample2.bz2 sample2.rb2
 	cmp sample3.bz2 sample3.rb2
@@ -45,8 +48,6 @@
 	cmp sample3.tst sample3.ref
 	@cat words3
 
-PREFIX=/usr
-
 install: bzip2 bzip2recover
 	if ( test ! -d $(PREFIX)/bin ) ; then mkdir $(PREFIX)/bin ; fi
 	if ( test ! -d $(PREFIX)/lib ) ; then mkdir $(PREFIX)/lib ; fi
@@ -65,11 +66,13 @@
 	chmod a+r $(PREFIX)/man/man1/bzip2.1
 	cp -f bzlib.h $(PREFIX)/include
 	chmod a+r $(PREFIX)/include/bzlib.h
-	cp -f libbz2.a $(PREFIX)/lib
-	chmod a+r $(PREFIX)/lib/libbz2.a
+	cp -f libbz2.1.0.1.dylib $(PREFIX)/lib
+	chmod a+rx $(PREFIX)/lib/libbz2.1.0.1.dylib
+	(cd $(PREFIX)/lib && rm -f libbz2.1.dylib && ln -s libbz2.1.0.1.dylib libbz2.1.dylib)
+	(cd $(PREFIX)/lib && rm -f libbz2.dylib && ln -s libbz2.1.0.1.dylib libbz2.dylib)
 
 clean: 
-	rm -f *.o libbz2.a bzip2 bzip2recover \
+	rm -f *.o libbz2.dylib bzip2 bzip2recover \
 	sample1.rb2 sample2.rb2 sample3.rb2 \
 	sample1.tst sample2.tst sample3.tst
 
@@ -92,50 +95,3 @@
 	$(CC) $(CFLAGS) -c bzip2.c
 bzip2recover.o: bzip2recover.c
 	$(CC) $(CFLAGS) -c bzip2recover.c
-
-DISTNAME=bzip2-1.0.1
-tarfile:
-	rm -f $(DISTNAME)
-	ln -sf . $(DISTNAME)
-	tar cvf $(DISTNAME).tar \
-	   $(DISTNAME)/blocksort.c \
-	   $(DISTNAME)/huffman.c \
-	   $(DISTNAME)/crctable.c \
-	   $(DISTNAME)/randtable.c \
-	   $(DISTNAME)/compress.c \
-	   $(DISTNAME)/decompress.c \
-	   $(DISTNAME)/bzlib.c \
-	   $(DISTNAME)/bzip2.c \
-	   $(DISTNAME)/bzip2recover.c \
-	   $(DISTNAME)/bzlib.h \
-	   $(DISTNAME)/bzlib_private.h \
-	   $(DISTNAME)/Makefile \
-	   $(DISTNAME)/manual.texi \
-	   $(DISTNAME)/manual.ps \
-	   $(DISTNAME)/LICENSE \
-	   $(DISTNAME)/bzip2.1 \
-	   $(DISTNAME)/bzip2.1.preformatted \
-	   $(DISTNAME)/bzip2.txt \
-	   $(DISTNAME)/words0 \
-	   $(DISTNAME)/words1 \
-	   $(DISTNAME)/words2 \
-	   $(DISTNAME)/words3 \
-	   $(DISTNAME)/sample1.ref \
-	   $(DISTNAME)/sample2.ref \
-	   $(DISTNAME)/sample3.ref \
-	   $(DISTNAME)/sample1.bz2 \
-	   $(DISTNAME)/sample2.bz2 \
-	   $(DISTNAME)/sample3.bz2 \
-	   $(DISTNAME)/dlltest.c \
-	   $(DISTNAME)/*.html \
-	   $(DISTNAME)/README \
-	   $(DISTNAME)/README.COMPILATION.PROBLEMS \
-	   $(DISTNAME)/CHANGES \
-	   $(DISTNAME)/libbz2.def \
-	   $(DISTNAME)/libbz2.dsp \
-	   $(DISTNAME)/dlltest.dsp \
-	   $(DISTNAME)/makefile.msc \
-	   $(DISTNAME)/Y2K_INFO \
-	   $(DISTNAME)/unzcrash.c \
-	   $(DISTNAME)/spewG.c \
-	   $(DISTNAME)/Makefile-libbz2_so