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# Copyright (C) 1995, 1996, 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
#
# This file is part of AFPL Ghostscript.
#
# AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
# distributor accepts any responsibility for the consequences of using it, or
# for whether it serves any particular purpose or works at all, unless he or
# she says so in writing. Refer to the Aladdin Free Public License (the
# "License") for full details.
#
# Every copy of AFPL Ghostscript must include a copy of the License, normally
# in a plain ASCII text file named PUBLIC. The License grants you the right
# to copy, modify and redistribute AFPL Ghostscript, but only under certain
# conditions described in the License. Among other things, the License
# requires that the copyright notice and this notice be preserved on all
# copies.
# $Id$
# makefile for zlib library code.
# Users of this makefile must define the following:
# GSSRCDIR - the GS library source directory
# ZSRCDIR - the source directory
# ZGENDIR - the generated intermediate file directory
# ZOBJDIR - the object directory
# SHARE_ZLIB - 0 to compile zlib, 1 to share
# ZLIB_NAME - if SHARE_ZLIB=1, the name of the shared library
# This partial makefile compiles the zlib library for use in Ghostscript.
# You can get the source code for this library from:
# http://www.cdrom.com/infozip/zlib/
# ftp://ftp.cdrom.com/pub/infozip/zlib/
# zlib-#.#.#.tar.gz or zlib###.zip
# Please see Ghostscript's `Make.htm' file for instructions about how to
# unpack these archives.
#
# When each version of Ghostscript is released, we copy the associated
# version of the zlib library to
# ftp://ftp.cs.wisc.edu/ghost/3rdparty/
# for more convenient access.
#
# This makefile is known to work with zlib versions through 1.1.3.
# Note that there are obscure bugs in zlib versions before 1.1.3 that
# may cause the FlateDecode filter to produce an occasional ioerror:
# we strongly recommend using version 1.1.3 or later.
ZSRC=$(ZSRCDIR)$(D)
ZGEN=$(ZGENDIR)$(D)
ZOBJ=$(ZOBJDIR)$(D)
ZO_=$(O_)$(ZOBJ)
# We need D_, _D_, and _D because the OpenVMS compiler uses different
# syntax from other compilers.
# ZI_ and ZF_ are defined in gs.mak.
ZCCFLAGS=$(I_)$(ZI_)$(_I) $(ZF_) $(D_)verbose$(_D_)-1$(_D)
ZCC=$(CC_) $(ZCCFLAGS)
# Define the name of this makefile.
ZLIB_MAK=$(GLSRC)zlib.mak
z.clean : z.config-clean z.clean-not-config-clean
### WRONG. MUST DELETE OBJ AND GEN FILES SELECTIVELY.
z.clean-not-config-clean :
$(RM_) $(ZOBJ)*.$(OBJ)
z.config-clean :
$(RMN_) $(ZGEN)zlib*.dev $(ZGEN)crc32*.dev
ZDEP=$(AK)
# Code common to compression and decompression.
zlibc_=$(ZOBJ)zutil.$(OBJ)
$(ZGEN)zlibc.dev : $(ZLIB_MAK) $(ECHOGS_XE) $(zlibc_)
$(SETMOD) $(ZGEN)zlibc $(zlibc_)
$(ZOBJ)zutil.$(OBJ) : $(ZSRC)zutil.c $(ZDEP)
$(ZCC) $(ZO_)zutil.$(OBJ) $(C_) $(ZSRC)zutil.c
# Encoding (compression) code.
$(ZGEN)zlibe.dev : $(TOP_MAKEFILES) $(ZGEN)zlibe_$(SHARE_ZLIB).dev
$(CP_) $(ZGEN)zlibe_$(SHARE_ZLIB).dev $(ZGEN)zlibe.dev
$(ZGEN)zlibe_1.dev : $(TOP_MAKEFILES) $(ZLIB_MAK) $(ECHOGS_XE)
$(SETMOD) $(ZGEN)zlibe_1 -lib $(ZLIB_NAME)
zlibe_=$(ZOBJ)adler32.$(OBJ) $(ZOBJ)deflate.$(OBJ) $(ZOBJ)trees.$(OBJ)
$(ZGEN)zlibe_0.dev : $(ZLIB_MAK) $(ECHOGS_XE) $(ZGEN)zlibc.dev $(zlibe_)
$(SETMOD) $(ZGEN)zlibe_0 $(zlibe_)
$(ADDMOD) $(ZGEN)zlibe_0 -include $(ZGEN)zlibc.dev
$(ZOBJ)adler32.$(OBJ) : $(ZSRC)adler32.c $(ZDEP)
$(ZCC) $(ZO_)adler32.$(OBJ) $(C_) $(ZSRC)adler32.c
$(ZOBJ)deflate.$(OBJ) : $(ZSRC)deflate.c $(ZDEP)
$(ZCC) $(ZO_)deflate.$(OBJ) $(C_) $(ZSRC)deflate.c
$(ZOBJ)trees.$(OBJ) : $(ZSRC)trees.c $(ZDEP)
$(ZCC) $(ZO_)trees.$(OBJ) $(C_) $(ZSRC)trees.c
# The zlib filters per se don't need crc32, but libpng versions starting
# with 0.90 do.
$(ZGEN)crc32.dev : $(TOP_MAKEFILES) $(ZGEN)crc32_$(SHARE_ZLIB).dev
$(CP_) $(ZGEN)crc32_$(SHARE_ZLIB).dev $(ZGEN)crc32.dev
$(ZGEN)crc32_1.dev : $(TOP_MAKEFILES) $(ZLIB_MAK) $(ECHOGS_XE)
$(SETMOD) $(ZGEN)crc32_1 -lib $(ZLIB_NAME)
$(ZGEN)crc32_0.dev : $(ZLIB_MAK) $(ECHOGS_XE) $(ZOBJ)crc32.$(OBJ)
$(SETMOD) $(ZGEN)crc32_0 $(ZOBJ)crc32.$(OBJ)
# We have to compile crc32 without warnings, because it defines 32-bit
# constants that produces gcc warnings with -Wtraditional.
$(ZOBJ)crc32.$(OBJ) : $(ZSRC)crc32.c $(ZDEP)
$(CC_NO_WARN) $(ZCCFLAGS) $(ZO_)crc32.$(OBJ) $(C_) $(ZSRC)crc32.c
# Decoding (decompression) code.
$(ZGEN)zlibd.dev : $(TOP_MAKEFILES) $(ZGEN)zlibd_$(SHARE_ZLIB).dev
$(CP_) $(ZGEN)zlibd_$(SHARE_ZLIB).dev $(ZGEN)zlibd.dev
$(ZGEN)zlibd_1.dev : $(TOP_MAKEFILES) $(ZLIB_MAK) $(ECHOGS_XE)
$(SETMOD) $(ZGEN)zlibd_1 -lib $(ZLIB_NAME)
zlibd1_=$(ZOBJ)infblock.$(OBJ) $(ZOBJ)infcodes.$(OBJ) $(ZOBJ)inffast.$(OBJ)
zlibd2_=$(ZOBJ)inflate.$(OBJ) $(ZOBJ)inftrees.$(OBJ) $(ZOBJ)infutil.$(OBJ)
zlibd_ = $(zlibd1_) $(zlibd2_)
$(ZGEN)zlibd_0.dev : $(ZLIB_MAK) $(ECHOGS_XE) $(ZGEN)zlibc.dev $(zlibd_)
$(SETMOD) $(ZGEN)zlibd_0 $(zlibd1_)
$(ADDMOD) $(ZGEN)zlibd_0 -obj $(zlibd2_)
$(ADDMOD) $(ZGEN)zlibd_0 -include $(ZGEN)zlibc.dev
$(ZOBJ)infblock.$(OBJ) : $(ZSRC)infblock.c $(ZDEP)
$(ZCC) $(ZO_)infblock.$(OBJ) $(C_) $(ZSRC)infblock.c
$(ZOBJ)infcodes.$(OBJ) : $(ZSRC)infcodes.c $(ZDEP)
$(ZCC) $(ZO_)infcodes.$(OBJ) $(C_) $(ZSRC)infcodes.c
$(ZOBJ)inffast.$(OBJ) : $(ZSRC)inffast.c $(ZDEP)
$(ZCC) $(ZO_)inffast.$(OBJ) $(C_) $(ZSRC)inffast.c
$(ZOBJ)inflate.$(OBJ) : $(ZSRC)inflate.c $(ZDEP)
$(ZCC) $(ZO_)inflate.$(OBJ) $(C_) $(ZSRC)inflate.c
$(ZOBJ)inftrees.$(OBJ) : $(ZSRC)inftrees.c $(ZDEP)
$(ZCC) $(ZO_)inftrees.$(OBJ) $(C_) $(ZSRC)inftrees.c
$(ZOBJ)infutil.$(OBJ) : $(ZSRC)infutil.c $(ZDEP)
$(ZCC) $(ZO_)infutil.$(OBJ) $(C_) $(ZSRC)infutil.c
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