--- zlib-1.2.3/win32/Makefile.gcc	2003-08-02 10:49:00.000000000 +0700
+++ zlib-1.2.3/win32/Makefile.gcc	2007-06-19 01:05:25.000000000 +0700
@@ -45,6 +45,8 @@
 RC = windres
 RCFLAGS = --define GCC_WINDRES
 
+DLLWRAP= dllwrap
+
 CP = cp -fp
 # If GNU install is available, replace $(CP) with install.
 INSTALL = $(CP)
@@ -53,6 +55,9 @@
 prefix = /usr/local
 exec_prefix = $(prefix)
 
+LIBRARY_PATH=$(prefix)/lib/
+INCLUDE_PATH=$(prefix)/include/
+
 OBJS = adler32.o compress.o crc32.o deflate.o gzio.o infback.o \
        inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o
 OBJA =
@@ -79,7 +84,7 @@
 $(IMPLIB): $(SHAREDLIB)
 
 $(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlibrc.o
-	dllwrap --driver-name $(CC) --def win32/zlib.def \
+	$(DLLWRAP) --driver-name $(CC) --def win32/zlib.def \
 	  --implib $(IMPLIB) -o $@ $(OBJS) $(OBJA) zlibrc.o
 	strip $@
 
@@ -109,12 +114,14 @@
 	-$(INSTALL) zlib.h $(INCLUDE_PATH)
 	-$(INSTALL) zconf.h $(INCLUDE_PATH)
 	-$(INSTALL) $(STATICLIB) $(LIBRARY_PATH)
+	-$(INSTALL) $(SHAREDLIB) $(LIBRARY_PATH)
 	-$(INSTALL) $(IMPLIB) $(LIBRARY_PATH)
 
 uninstall:
 	-$(RM) $(INCLUDE_PATH)/zlib.h
 	-$(RM) $(INCLUDE_PATH)/zconf.h
 	-$(RM) $(LIBRARY_PATH)/$(STATICLIB)
+	-$(RM) $(LIBRARY_PATH)/$(SHAREDLIB)
 	-$(RM) $(LIBRARY_PATH)/$(IMPLIB)
 
 clean: