#
# Copyright (C) 2006-2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk

PKG_NAME:=zlib
PKG_VERSION:=2.3.3
PKG_RELEASE:=2

PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL:=https://github.com/zlib-ng/zlib-ng.git
PKG_SOURCE_VERSION:=12731092979c6d07f42da27da673a9f6c7b13586
PKG_MIRROR_HASH:=c3ebdd6698f644dc4f21f7ce55180ae98bf72636f541c0edc8757126b63ce868

PKG_LICENSE:=Zlib
PKG_LICENSE_FILES:=LICENSE.md
PKG_CPE_ID:=cpe:/a:zlib-ng:zlib-ng

PKG_CONFIG_DEPENDS:= CONFIG_ZLIB_OPTIMIZE_SPEED

include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk

define Package/zlib
  SECTION:=libs
  CATEGORY:=Libraries
  TITLE:=Library implementing the deflate compression method
  URL:=https://github.com/zlib-ng/zlib-ng
endef

define Package/zlib-dev
  SECTION:=devel
  CATEGORY:=Development
  SUBMENU:=Libraries
  DEPENDS:=zlib
  TITLE:=Development files for the zlib library
endef

define Package/zlib/description
 zlib is a lossless data-compression library.
 This package builds zlib-ng with the zlib-compatible API and ABI.
 This package includes the shared library.
endef

define Package/zlib-dev/description
 zlib is a lossless data-compression library.
 This package builds zlib-ng with the zlib-compatible API and ABI.
 This package includes the development support files.
endef

define Package/zlib/config
	source "$(SOURCE)/Config.in"
endef

TARGET_CFLAGS += $(FPIC) -DNO_QUICK_STRATEGY

ifeq ($(CONFIG_ZLIB_OPTIMIZE_SPEED),y)
	TARGET_CFLAGS := $(filter-out -O%,$(TARGET_CFLAGS)) -O3
endif

CMAKE_OPTIONS += \
	-DZLIB_COMPAT=ON \
	-DBUILD_TESTING=OFF

# POWER8 and POWER9 are 64-bit server ISAs; zlib-ng enables them from a probe
# that only looks for getauxval and PPC_FEATURE2_ARCH_2_07, so it offers them
# on e500 and PPC464 as well, where the compiler has no VSX to emit.
ifeq ($(ARCH),powerpc)
CMAKE_OPTIONS += \
	-DWITH_POWER8=OFF \
	-DWITH_POWER9=OFF
endif

define Build/InstallDev
	mkdir -p $(1)/usr/include
	$(CP)	$(PKG_INSTALL_DIR)/usr/include/{zconf,zlib,zlib_name_mangling}.h \
		$(1)/usr/include/
	mkdir -p $(1)/usr/lib
	$(CP)	$(PKG_INSTALL_DIR)/usr/lib/libz.{a,so*} \
		$(1)/usr/lib/
	mkdir -p $(1)/usr/lib/pkgconfig
	$(CP)	$(PKG_INSTALL_DIR)/usr/lib/pkgconfig/zlib.pc \
		$(1)/usr/lib/pkgconfig/
endef

# libz.so is needed for openssl (zlib-dynamic)
define Package/zlib/install
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libz.so $(1)/usr/lib/
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libz.so.* $(1)/usr/lib/
endef

define Package/zlib-dev/install
	$(INSTALL_DIR) $(1)/usr/include
	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/zconf.h \
	  $(1)/usr/include/
	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/zlib.h \
	  $(1)/usr/include/
	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/include/zlib_name_mangling.h \
	  $(1)/usr/include/
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libz.a $(1)/usr/lib/
	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/zlib.pc \
	  $(1)/usr/lib/pkgconfig/
endef

$(eval $(call BuildPackage,zlib))
$(eval $(call BuildPackage,zlib-dev))