# 
# Copyright (C) 2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=gcc
#PKG_VERSION:=$(strip $(subst ",, $(CONFIG_GCC_VERSION)))#"))
PKG_VERSION:=4.5.2
PKG_RELEASE:=1
PATCH_DIR=$(TOPDIR)/toolchain/gcc/patches/$(PKG_VERSION)
PKG_SOURCE_URL:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(PKG_VERSION) \
    http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(PKG_VERSION) \
	    ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(PKG_VERSION)

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_MD5SUM:=d6559145853fbaaa0fd7556ed93bce9a
PKG_INSTALL:=1
PKG_FIXUP:=libtool

include $(INCLUDE_DIR)/package.mk

SEP:=,
TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc)

STRIP:=$(STAGING_DIR_HOST)/bin/sstrip
RSTRIP:= \
	NM="$(TARGET_CROSS)nm" \
	STRIP="$(STRIP) --strip-debug" \
	STRIP_KMOD="$(TARGET_CROSS)strip --strip-debug" \
	$(SCRIPT_DIR)/rstrip.sh

define Package/gcc-mips
  SECTION:=devel
  CATEGORY:=Development
  TITLE:=gcc-mips
  DEPENDS:=+mpfr +binutils +libmpc @BROKEN
endef

define Package/gcc-mips/description
	build a native toolchain for compiling on target
endef

define Build/Prepare
	$(call Build/Prepare/Default)
	($(CP) ./patches $(PKG_BUILD_DIR); cd $(PKG_BUILD_DIR); patch -Np1 < ./patches/001-cache-amnesia.patch;);
	(cd $(PKG_BUILD_DIR)/libstdc++-v3; \
	$(SED) 's/m4_rename(/m4_rename_force(/' acinclude.m4;);
endef

define Build/Configure
	$(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(PKG_BUILD_DIR)/libstdc++-v3/configure
	$(SED) 's/\"CFLAGS=/\"CFLAGS=$(FPIC) /' $(PKG_BUILD_DIR)/libstdc++-v3/Makefile.am
	(cd $(PKG_BUILD_DIR); rm -f config.cache; \
		SHELL="$(BASH)" \
		$(TARGET_CONFIGURE_OPTS) \
		$(PKG_BUILD_DIR)/configure \
			$(TARGET_CONFIGURE_ARGS) \
			--build=$(GNU_HOST_NAME) \
			--host=$(REAL_GNU_TARGET_NAME) \
			--target=$(REAL_GNU_TARGET_NAME) \
			--enable-languages=$(TARGET_LANGUAGES) \
			--enable-shared \
			--disable-__cxa_atexit \
			--enable-target-optspace \
			--with-gnu-ld \
			--disable-nls \
			--disable-libmudflap \
			--disable-multilib \
			--with-gmp=$(STAGING_DIR)/usr \
			--with-mpc=$(STAGING_DIR)/usr \
			--with-mpfr=$(STAGING_DIR)/usr \
			--prefix=/usr \
			$(EXTRA_TARGET) \
			$(SOFT_FLOAT_CONFIG_OPTION) \
			$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
	);
endef

define Build/Compile
	export SHELL="$(BASH)"; $(MAKE_VARS) $(MAKE) -C $(PKG_BUILD_DIR) \
			DESTDIR="$(PKG_INSTALL_DIR)" $(MAKE_ARGS) all install
endef

define Package/gcc-mips/install
	$(INSTALL_DIR) $(1)/usr/bin $(1)/usr/lib/$(PKG_NAME)/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION)
	cp -ar $(PKG_INSTALL_DIR)/usr/{include,libexec} $(1)/usr
	cp -a $(PKG_INSTALL_DIR)/usr/bin/{$(REAL_GNU_TARGET_NAME)-{g++,gcc},gccbug,cpp,gcov} $(1)/usr/bin
	ln -s $(REAL_GNU_TARGET_NAME)-g++ $(1)/usr/bin/c++
	ln -s $(REAL_GNU_TARGET_NAME)-g++ $(1)/usr/bin/g++
	ln -s $(REAL_GNU_TARGET_NAME)-g++ $(1)/usr/bin/$(REAL_GNU_TARGET_NAME)-c++
	ln -s $(REAL_GNU_TARGET_NAME)-gcc $(1)/usr/bin/gcc
	ln -s $(REAL_GNU_TARGET_NAME)-gcc $(1)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc-$(PKG_VERSION)
	cp -a $(PKG_INSTALL_DIR)/usr/lib/*.a $(1)/usr/lib/$(PKG_NAME)/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION)
	cp -ar $(PKG_INSTALL_DIR)/usr/lib/gcc $(1)/usr/lib
	cp -ar $(TOOLCHAIN_DIR)/include $(1)/usr/lib/$(PKG_NAME)/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION)
	cp -a $(TOOLCHAIN_DIR)/lib/*.{a,o,so*} $(1)/usr/lib/$(PKG_NAME)/$(REAL_GNU_TARGET_NAME)/$(PKG_VERSION)
endef

define Package/gcc-mips/postinst
#!/bin/sh
#we use some files from host's openwrt toolchain for gcc-mips package,
#and the host's gcc version (linaro) is now 4.5.4.
#this will be fixed when we catch up with openwrt upstream,
#workaround for now
for i in $$(find $${IPKG_INSTROOT}/usr/lib/gcc/mipsel-openwrt-linux-uclibc/4.5.4 -type f); do
	ln -s ../4.5.4/$${i##*/} $${i/4.5.4/4.5.2}
done
endef

$(eval $(call BuildPackage,gcc-mips))