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diff --git a/old/msdos/Makefile.dj2 b/old/msdos/Makefile.dj2
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+# Makefile for zlib.  Modified for djgpp v2.0 by F. J. Donahoe, 3/15/96.
+# Copyright (C) 1995-1998 Jean-loup Gailly.
+# For conditions of distribution and use, see copyright notice in zlib.h 
+
+# To compile, or to compile and test, type:
+# 
+#   make -fmakefile.dj2;  make test -fmakefile.dj2
+# 
+# To install libz.a, zconf.h and zlib.h in the djgpp directories, type:
+# 
+#    make install -fmakefile.dj2
+# 
+# after first defining LIBRARY_PATH and INCLUDE_PATH in djgpp.env as
+# in the sample below if the pattern of the DJGPP distribution is to
+# be followed.  Remember that, while <sp>'es around <=> are ignored in
+# makefiles, they are *not* in batch files or in djgpp.env.
+# - - - - -
+# [make]
+# INCLUDE_PATH=%\>;INCLUDE_PATH%%\DJDIR%\include
+# LIBRARY_PATH=%\>;LIBRARY_PATH%%\DJDIR%\lib
+# BUTT=-m486
+# - - - - -
+# Alternately, these variables may be defined below, overriding the values
+# in djgpp.env, as
+# INCLUDE_PATH=c:\usr\include
+# LIBRARY_PATH=c:\usr\lib
+
+CC=gcc
+
+#CFLAGS=-MMD -O
+#CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
+#CFLAGS=-MMD -g -DDEBUG
+CFLAGS=-MMD -O3 $(BUTT) -Wall -Wwrite-strings -Wpointer-arith -Wconversion \
+             -Wstrict-prototypes -Wmissing-prototypes
+
+# If cp.exe is available, replace "copy /Y" with "cp -fp" .
+CP=copy /Y
+# If gnu install.exe is available, replace $(CP) with ginstall.
+INSTALL=$(CP)
+# The default value of RM is "rm -f."  If "rm.exe" is found, comment out:
+RM=del
+LDLIBS=-L. -lz
+LD=$(CC) -s -o
+LDSHARED=$(CC)
+
+INCL=zlib.h zconf.h
+LIBS=libz.a
+
+AR=ar rcs
+
+prefix=/usr/local
+exec_prefix = $(prefix)
+
+OBJS = adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o \
+       zutil.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
+
+TEST_OBJS = example.o minigzip.o
+
+all: example.exe minigzip.exe
+
+test: all
+        ./example
+        echo hello world | .\minigzip | .\minigzip -d 
+
+%.o : %.c
+        $(CC) $(CFLAGS) -c $< -o $@
+
+libz.a: $(OBJS)
+        $(AR) $@ $(OBJS)
+
+%.exe : %.o $(LIBS)
+        $(LD) $@ $< $(LDLIBS)
+
+# INCLUDE_PATH and LIBRARY_PATH were set for [make] in djgpp.env .
+
+.PHONY : uninstall clean
+
+install: $(INCL) $(LIBS)
+        -@if not exist $(INCLUDE_PATH)\nul mkdir $(INCLUDE_PATH)
+        -@if not exist $(LIBRARY_PATH)\nul mkdir $(LIBRARY_PATH)
+        $(INSTALL) zlib.h $(INCLUDE_PATH)
+        $(INSTALL) zconf.h $(INCLUDE_PATH)
+        $(INSTALL) libz.a $(LIBRARY_PATH)
+
+uninstall:
+        $(RM) $(INCLUDE_PATH)\zlib.h
+        $(RM) $(INCLUDE_PATH)\zconf.h
+        $(RM) $(LIBRARY_PATH)\libz.a
+
+clean:
+        $(RM) *.d
+        $(RM) *.o
+        $(RM) *.exe
+        $(RM) libz.a
+        $(RM) foo.gz
+
+DEPS := $(wildcard *.d)
+ifneq ($(DEPS),)
+include $(DEPS)
+endif