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

include $(TOPDIR)/rules.mk

PKG_NAME:=libpng
PKG_VERSION:=1.2.8
PKG_RELEASE:=1

PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)-config
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-config.tar.gz
PKG_SOURCE_URL:=@SF/libpng
PKG_MD5SUM:=e5a39003eed16103cbbd3b6a8bc6b1f9
PKG_CAT:=zcat

PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install

include $(INCLUDE_DIR)/package.mk

define Package/libpng
  SECTION:=libs
  CATEGORY:=Libraries
  DEPENDS:=+zlib
  TITLE:=A PNG format files handling library
  DESCRIPTION:=A PNG (Portable Network Graphics) format files handling library.
  URL:=http://www.libpng.org/pub/png/libpng.html
endef

define Build/Configure
	(cd $(PKG_BUILD_DIR); rm -f config.cache; \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS="$(TARGET_CFLAGS)" \
		CPPFLAGS="-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include" \
		LDFLAGS="-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib" \
		./configure \
			--target=$(GNU_TARGET_NAME) \
			--host=$(GNU_TARGET_NAME) \
			--build=$(GNU_HOST_NAME) \
			--program-prefix="" \
			--program-suffix="" \
			--prefix=/usr \
			--exec-prefix=/usr \
			--bindir=/usr/bin \
			--datadir=/usr/share \
			--includedir=/usr/include \
			--infodir=/usr/share/info \
			--libdir=/usr/lib \
			--libexecdir=/usr/lib \
			--localstatedir=/var \
			--mandir=/usr/share/man \
			--sbindir=/usr/sbin \
			--sysconfdir=/etc \
			$(DISABLE_LARGEFILE) \
			$(DISABLE_NLS) \
			--enable-shared \
			--enable-static \
			--with-zlib=$(STAGING_DIR)/usr/ \
	);
endef

define Build/Compile
	rm -rf $(PKG_INSTALL_DIR)
	mkdir -p $(PKG_INSTALL_DIR)
	$(MAKE) -C $(PKG_BUILD_DIR) \
		DESTDIR="$(PKG_INSTALL_DIR)" \
		all install
endef

define Package/libpng/install
	install -d -m0755 $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libpng{,12}.so.* $(1)/usr/lib/
endef

define Build/InstallDev
	mkdir -p $(STAGING_DIR)/usr/bin
	$(CP) $(PKG_INSTALL_DIR)/usr/bin/libpng{,12}-config $(STAGING_DIR)/usr/bin/
	mkdir -p $(STAGING_DIR)/usr/include
	$(CP) $(PKG_INSTALL_DIR)/usr/include/png{,conf}.h $(STAGING_DIR)/usr/include/
	$(CP) $(PKG_INSTALL_DIR)/usr/include/libpng $(STAGING_DIR)/usr/include/
	mkdir -p $(STAGING_DIR)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libpng{,12}.{a,so*} $(STAGING_DIR)/usr/lib/
	mkdir -p $(STAGING_DIR)/usr/lib/pkgconfig
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libpng{,12}.pc $(STAGING_DIR)/usr/lib/pkgconfig/
	$(SED) 's,^[ILR]_opts=".\+",,g' $(STAGING_DIR)/usr/bin/libpng*-config
	$(SED) 's,-I$$$${includedir}/libpng12,,g' $(STAGING_DIR)/usr/lib/pkgconfig/libpng{,12}.pc
endef

define Build/UninstallDev
	rm -rf \
		$(STAGING_DIR)/usr/bin/libpng{,12}-config \
		$(STAGING_DIR)/usr/include/png{,conf}.h \
		$(STAGING_DIR)/usr/include/libpng \
		$(STAGING_DIR)/usr/lib/libpng{,12}.{a,so*} \
		$(STAGING_DIR)/usr/lib/pkgconfig/libpng{,12}.pc
endef

$(eval $(call BuildPackage,libpng))