From 3bca4b20946d11b40219db34b66ac6c59c603525 Mon Sep 17 00:00:00 2001
From: Nicolas Thill <nico@openwrt.org>
Date: Sun, 2 May 2010 17:32:25 +0000
Subject: [PATCH] package/grub: build a host grub and a target grub (#7269) -
 use the host grub binary for grub install, but with target stage files -
 disable SSP (-fno-stack-protector) & Compile Time Buffer Checks
 (-U_FORTIFY_SOURCE) if appropriate - create a target grub package

SVN-Revision: 21305
---
 package/grub/Makefile           | 91 +++++++++++++++------------------
 target/linux/x86/image/Makefile | 15 +++---
 2 files changed, 50 insertions(+), 56 deletions(-)

diff --git a/package/grub/Makefile b/package/grub/Makefile
index 20232f4954..e401770805 100644
--- a/package/grub/Makefile
+++ b/package/grub/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2009 OpenWrt.org
+# Copyright (C) 2006-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -10,71 +10,62 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=grub
 PKG_VERSION:=0.97
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=ftp://alpha.gnu.org/gnu/grub
 PKG_MD5SUM:=cd3f3eb54446be6003156158d51f4884
 
-PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/grub-$(PKG_VERSION)
-PKG_TARGETS:=bin
+PKG_BUILD_DEPENDS:= grub/host
+PKG_INSTALL:=1
 
+include $(INCLUDE_DIR)/host-build.mk
 include $(INCLUDE_DIR)/package.mk
 
-export grub_cv_prog_objcopy_absolute=yes
-
 define Package/grub
-  SECTION:=boot
-  DEPENDS:=@TARGET_x86
-  CATEGORY:=Boot Loaders
+  SUBMENU:=Boot Loaders
+  CATEGORY:=Utilities
+  SECTION:=utils
   TITLE:=GRand Unified Bootloader
   URL:=http://www.gnu.org/software/grub/
+  DEPENDS:=@TARGET_x86
 endef
 
-CONFIGURE_FLAGS:= 
-
-ifneq ($(HOST_OS),Darwin)
-define Build/Configure
-	(cd $(PKG_BUILD_DIR); \
-		CFLAGS="-march=i486 -m32" \
-		LDFLAGS="-static" \
-		./configure \
-		$(CONFIGURE_FLAGS) \
-		--build=i386-linux-gnu \
-		--host=i386-linux-gnu \
-		--program-prefix="" \
-		--program-suffix="" \
-		--prefix=/usr \
-		--exec-prefix=/usr \
-		--bindir=/usr/bin \
-		--sbindir=/usr/sbin \
-		--libexecdir=/usr/lib \
-		--sysconfdir=/etc \
-		--datadir=/usr/share \
-		--localstatedir=/var \
-		--mandir=/usr/man \
-		--infodir=/usr/info \
-		$(DISABLE_NLS) \
-		--disable-auto-linux-mem-opt \
-	)
-endef
 
-#
-# ./configure detects whether the host compiler supports
-# -fno-stack-protector but only sets STAGE2_CFLAGS accordingly
-#
-define Build/Compile
-	$(MAKE) -C $(PKG_BUILD_DIR) \
-		GRUB_CFLAGS="\$$$$(STAGE2_CFLAGS)" \
-		STAGE1_CFLAGS="\$$$$(STAGE2_CFLAGS)"
-endef
+MY_CONFIGURE_ARGS += \
+	--disable-auto-linux-mem-opt \
+	--disable-graphics \
+	--disable-hercules \
+	--without-curses \
+
+MY_CONFIGURE_VARS += \
+	grub_cv_prog_objcopy_absolute=yes \
+
+CONFIGURE_ARGS += $(MY_CONFIGURE_ARGS)
+
+CONFIGURE_VARS += $(MY_CONFIGURE_VARS)
+
+HOST_CFLAGS += $(call host-cc-option,-fno-stack-protector)
+HOST_CFLAGS += $(call host-cc-option,-U_FORTIFY_SOURCE)
+
+HOST_CONFIGURE_ARGS += $(MY_CONFIGURE_ARGS) \
+	--sbindir="$(STAGING_DIR_HOST)/bin" \
+
+HOST_CONFIGURE_VARS += $(MY_CONFIGURE_VARS)
 
 define Build/InstallDev
-	$(MAKE) -C $(PKG_BUILD_DIR) \
-		DESTDIR="$(STAGING_DIR_HOST)" \
-		install
-	mv $(STAGING_DIR_HOST)/usr/sbin/grub $(STAGING_DIR_HOST)/bin
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/grub $(1)/usr/lib/
+endef
+
+define Package/grub/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/* $(1)/usr/bin/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/* $(1)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/* $(1)/usr/sbin/
 endef
-endif
 
+$(eval $(call HostBuild))
 $(eval $(call BuildPackage,grub))
diff --git a/target/linux/x86/image/Makefile b/target/linux/x86/image/Makefile
index 912dae235f..257723c8ae 100644
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -56,7 +56,9 @@ ifneq ($(CONFIG_X86_GRUB_IMAGES),)
 	# left here because the image builder doesnt need these
 	$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub
 	$(CP) \
-		$(KDIR)/*stage* \
+		$(KDIR)/stage1 \
+		$(KDIR)/stage2 \
+		$(KDIR)/e2fs_stage1_5 \
 		$(KDIR)/root.grub/boot/grub/
 	$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
 	sed \
@@ -74,9 +76,10 @@ ifneq ($(CONFIG_X86_GRUB_IMAGES),)
   define Image/Prepare/grub
 	# for the image builder
 	$(CP) \
-		$(STAGING_DIR_HOST)/usr/lib/grub/i386-*/stage1 \
-		$(STAGING_DIR_HOST)/usr/lib/grub/i386-*/stage2 \
-		$(STAGING_DIR_HOST)/usr/lib/grub/i386-*/e2fs_stage1_5 \
+		$(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage1 \
+		$(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage2 \
+		$(STAGING_DIR)/usr/lib/grub/i386-openwrt/stage2_eltorito \
+		$(STAGING_DIR)/usr/lib/grub/i386-openwrt/e2fs_stage1_5 \
 		$(KDIR)/
   endef
 
@@ -135,8 +138,8 @@ endef
 define Image/Build/iso 
 	$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub
 	$(CP) \
-		$(STAGING_DIR_HOST)/usr/lib/grub/i386-openwrt/stage2_eltorito \
-		$(KDIR)/root.grub/boot/grub/stage2_eltorito 
+		$(KDIR)/stage2_eltorito \
+		$(KDIR)/root.grub/boot/grub/ 
 	sed \
 		-e 's#@SERIAL_CONFIG@#$(strip $(GRUB_SERIAL_CONFIG))#g' \
 		-e 's#@TERMINAL_CONFIG@#$(strip $(GRUB_TERMINAL_CONFIG))#g' \
-- 
2.30.2