# $Id: Makefile.kmk 107363 2024-12-18 15:55:19Z vboxsync $
## @file
# Sub-Makefile for zlib.
#

#
# Copyright (C) 2006-2024 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-3.0-only
#

SUB_DEPTH = ../../..
include $(KBUILD_PATH)/subheader.kmk

LIBRARIES += VBox-zlib
if1of ($(KBUILD_TARGET), os2 win)
 # only required for vbox-img
 LIBRARIES += VBox-zlib-static
endif
VBox-zlib_TEMPLATE = VBoxR3RuntimeDllNonPedanticFast
VBox-zlib_DEFS = verbose=-1 NO_VIZ=1
ifn1of ($(KBUILD_TARGET), win)
 VBox-zlib_DEFS = Z_HAVE_UNISTD_H
endif
VBox-zlib_SOURCES = \
	adler32.c \
	compress.c \
	crc32.c \
	gzclose.c \
	gzlib.c \
	gzread.c \
	gzwrite.c \
	uncompr.c \
	deflate.c \
	trees.c \
	zutil.c \
	inflate.c \
	infback.c \
	inftrees.c \
	inffast.c

VBox-zlib-static_TEMPLATE = VBoxR3StaticNonPedantic
VBox-zlib-static_DEFS = $(VBox-zlib_DEFS)
ifdef VBOX_WITH_NOCRT_STATIC
 VBox-zlib-static_DEFS += IPRT_NO_CRT_FOR_3RD_PARTY
endif
VBox-zlib-static_SOURCES = $(VBox-zlib_SOURCES)

ifdef VBOX_WITH_32_ON_64_MAIN_API # 32-bit edition.
 LIBRARIES += VBox-zlib-x86
 VBox-zlib-x86_TEMPLATE = VBoxR3DllNonPedantic-x86
 VBox-zlib-x86_EXTENDS = VBox-zlib
endif

# Builds a Windows DLL in a separate tree so that it can be found by the scons build system.
# Required for building NSIS (Windows Guest Additions installer) from source.
#
# We always build the x86 version, regardless of the actual target, as NSIS is 32-bit only (even on amd64).
if defined(VBOX_WITH_ADDITIONS) && !defined(VBOX_WITHOUT_ADDITIONS)
 DLLS.win += nsis-zlib-dll
 nsis-zlib-dll_EXTENDS      := VBox-zlib
 nsis-zlib-dll_NAME         := zlib1
 nsis-zlib-dll_TEMPLATE     := VBoxR3DllNonPedantic
 nsis-zlib-dll_INSTTYPE     := none
 nsis-zlib-dll_DEFS         := ZLIB_DLL $(VBox-zlib_DEFS)
 # Note! We need to build the NSIS variant of zlib without any modern x86 CPU instructions (SSE, ++) being used,
 #       to avoid breaking things on ancient Windows (guest) OSes.
 nsis-zlib-dll_CFLAGS.win.x86   = /arch:IA32
 nsis-zlib-dll_CXXFLAGS.win.x86 = /arch:IA32
 nsis-zlib-dll_PCHFLAGS.win.x86 = /arch:IA32
 nsis-zlib-dll_SOURCES.win := \
 	win32/zlib1.rc \
 	win32/zlib.def

 INSTALLS.win += nsis-zlib-install
 nsis-zlib-install_TEMPLATE := DUMMY
 nsis-zlib-install_INSTTYPE := stage
 nsis-zlib-install_INST     := nsis-zlib/
 nsis-zlib-install_MODE     := a+r,u+w
 nsis-zlib-install_SOURCES   = \
 	$(nsis-zlib-dll_1_TARGET) \
 	$(basename $(nsis-zlib-dll_1_TARGET)).lib=>zdll.lib \
 	zconf.h \
 	zlib.h
endif

include $(FILE_KBUILD_SUB_FOOTER)