grub: fix netboot build

Gentoo #139277

6 files changed, 636 insertions, 0 deletions

diff --git a/sys-boot/grub/Manifest b/sys-boot/grub/Manifest
new file mode 100644
index 00000000..1c8c41fd
--- /dev/null
+++ b/sys-boot/grub/Manifest
@@ -0,0 +1,8 @@
+AUX grub-0.97-gpt.patch 10682 RMD160 53dd38d52f2b38fb28dfb670d6fd27e47a562bbb SHA1 6057a076110d469fb63e56e57711d281221f9b42 SHA256 5e38046cfb727420e5b4b19d71c7fb4ddff22cbcc356c9f888763b0c1963d389
+AUX grub-1.95-build.patch 522 RMD160 eec01af7250a0883604530f321b154c575b14c41 SHA1 6f93b47a212ed0b3fb807bcf96e04792fa196ba1 SHA256 26d45247376f1e42b4197088161146173ea5bee3800282a707b331c49aed6ccf
+AUX grub-1.96-genkernel.patch 298 RMD160 3acae46d0c9a6b0c97960728751c679e32f0521d SHA1 b496e4486a546cfb72b81b27d8642c7d2e5123cb SHA256 8cbbaf1db68c39dfcc30b59779d820e9e9dca7ef957431791cdc0fc24e258eaf
+AUX grub.conf.gentoo 627 RMD160 d90fb4373bad476f98ec9c5065d6cdfd9e3b706f SHA1 004f2fc04605ec9190de0a87e7df8bbc33daff89 SHA256 914b15af252210a32776196437cd8013e10e57d5780e66877ef3fe9a2b4b9776
+DIST grub-0.97-patches-1.7.tar.bz2 31190 RMD160 f72f956c36d07e914bb7b4512ff9c88349123ab0 SHA1 6c5e011a8a55fc986abc84c43d59266a42f2ac9c SHA256 6dfb17ff874ce8f737211a728c319a133b90e3633a80daf5ef370c15ee625389
+DIST grub-0.97.tar.gz 971783 RMD160 7fb5674edf0c950bd38e94f85ff1e2909aa741f0 SHA1 2580626c4579bd99336d3af4482c346c95dac4fb SHA256 4e1d15d12dbd3e9208111d6b806ad5a9857ca8850c47877d36575b904559260b
+DIST splash.xpm.gz 33856 RMD160 2fead61f91c368429e80936248bb02af2bdf15ff SHA1 98e679f9698be43426f971f89a088c053e8c804a SHA256 b95600f777331b0dd31d51c68f60f0e846e4c8b628857a41165f4e6b30e6acaf
+EBUILD grub-0.97-r6.ebuild 8857 RMD160 75b99aead16428487f3d3a5c970b7a29e87bc561 SHA1 b05b78cef0e3cb484f00e6d1408fd2fda179bea3 SHA256 c37efeef73e947919a019d94e6ed66f106372dc4d27a030daf080a61647206a4
diff --git a/sys-boot/grub/files/grub-0.97-gpt.patch b/sys-boot/grub/files/grub-0.97-gpt.patch
new file mode 100644
index 00000000..7b1a55cd
--- /dev/null
+++ b/sys-boot/grub/files/grub-0.97-gpt.patch
@@ -0,0 +1,315 @@
+diff -ruBbd --unidirectional-new-file grub-0.96/stage2/builtins.c grub-0.96-patched/stage2/builtins.c
+--- grub-0.96/stage2/builtins.c	2004-06-20 09:33:04.000000000 -0400
++++ grub-0.96-patched/stage2/builtins.c	2007-01-04 13:56:06.000000000 -0500
+@@ -1229,14 +1229,15 @@
+   for (drive = 0x80; drive < 0x88; drive++)
+     {
+       unsigned long part = 0xFFFFFF;
+-      unsigned long start, len, offset, ext_offset;
+-      int type, entry;
++      unsigned long start, len, offset, ext_offset, gpt_offset;
++      int type, entry, gpt_count, gpt_size;
+       char buf[SECTOR_SIZE];
+ 
+       current_drive = drive;
+       while (next_partition (drive, 0xFFFFFF, &part, &type,
+ 			     &start, &len, &offset, &entry,
+-			     &ext_offset, buf))
++                            &ext_offset, &gpt_offset,
++                            &gpt_count, &gpt_size, buf))
+ 	{
+ 	  if (type != PC_SLICE_TYPE_NONE
+ 	      && ! IS_PC_SLICE_TYPE_BSD (type)
+@@ -2806,8 +2807,8 @@
+ {
+   int new_type;
+   unsigned long part = 0xFFFFFF;
+-  unsigned long start, len, offset, ext_offset;
+-  int entry, type;
++  unsigned long start, len, offset, ext_offset, gpt_offset;
++  int entry, type, gpt_count, gpt_size;
+   char mbr[512];
+ 
+   /* Get the drive and the partition.  */
+@@ -2844,7 +2845,14 @@
+   /* Look for the partition.  */
+   while (next_partition (current_drive, 0xFFFFFF, &part, &type,
+ 			 &start, &len, &offset, &entry,
+-			 &ext_offset, mbr))
++			 &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
++	  /* The partition may not be a GPT partition.  */
++	  if (gpt_offset != 0)
++	    {
++		errnum = ERR_BAD_ARGUMENT;
++		return 1;
++	    }
++
+     {
+       if (part == current_partition)
+ 	{
+diff -ruBbd --unidirectional-new-file grub-0.96/stage2/disk_io.c grub-0.96-patched/stage2/disk_io.c
+--- grub-0.96/stage2/disk_io.c	2004-05-23 12:35:24.000000000 -0400
++++ grub-0.96-patched/stage2/disk_io.c	2007-01-04 14:01:08.000000000 -0500
+@@ -21,6 +21,7 @@
+ 
+ #include <shared.h>
+ #include <filesys.h>
++#include <gpt.h>
+ 
+ #ifdef SUPPORT_NETBOOT
+ # define GRUB	1
+@@ -502,8 +503,8 @@
+ set_partition_hidden_flag (int hidden)
+ {
+   unsigned long part = 0xFFFFFF;
+-  unsigned long start, len, offset, ext_offset;
+-  int entry, type;
++  unsigned long start, len, offset, ext_offset, gpt_offset;
++  int entry, type, gpt_count, gpt_size;
+   char mbr[512];
+   
+   /* The drive must be a hard disk.  */
+@@ -524,7 +525,14 @@
+   /* Look for the partition.  */
+   while (next_partition (current_drive, 0xFFFFFF, &part, &type,           
+ 			 &start, &len, &offset, &entry,
+-			 &ext_offset, mbr))
++			 &ext_offset, &gpt_offset, &gpt_count, &gpt_size, mbr))
++	  /* The partition may not be a GPT partition.  */
++	  if (gpt_offset != 0)
++	    {
++		errnum = ERR_BAD_ARGUMENT;
++		return 1;
++	    }
++
+     {                                                                       
+       if (part == current_partition)
+ 	{
+@@ -577,11 +585,14 @@
+ 		unsigned long *partition, int *type,
+ 		unsigned long *start, unsigned long *len,
+ 		unsigned long *offset, int *entry,
+-		unsigned long *ext_offset, char *buf)
++               unsigned long *ext_offset,
++               unsigned long *gpt_offset, int *gpt_count,
++               int *gpt_size, char *buf)
+ {
+   /* Forward declarations.  */
+   auto int next_bsd_partition (void);
+   auto int next_pc_slice (void);
++  auto int next_gpt_slice(void);
+ 
+   /* Get next BSD partition in current PC slice.  */
+   int next_bsd_partition (void)
+@@ -666,6 +677,40 @@
+ 	  return 0;
+ 	}
+ 
++      /* If this is a GPT partition table, read it as such.  */
++      if (*entry == -1 && *offset == 0 && PC_SLICE_TYPE (buf, 0) == PC_SLICE_TYPE_GPT)
++       {
++         struct grub_gpt_header *hdr = (struct grub_gpt_header *) buf;
++
++         /* Read in the GPT Partition table header.  */
++         if (! rawread (drive, 1, 0, SECTOR_SIZE, buf))
++           return 0;
++
++         if (hdr->magic == GPT_HEADER_MAGIC && hdr->version == 0x10000)
++           {
++             /* Let gpt_offset point to the first entry in the GPT
++                partition table.  This can also be used by callers of
++                next_partition to determine if a entry comes from a
++                GPT partition table or not.  */
++             *gpt_offset = hdr->partitions;
++             *gpt_count = hdr->maxpart;
++             *gpt_size =  hdr->partentry_size;
++             
++             return next_gpt_slice();
++           }
++         else
++           {
++             /* This is not a valid header for a GPT partition table.
++                Re-read the MBR or the boot sector of the extended
++                partition.  */
++             if (! rawread (drive, *offset, 0, SECTOR_SIZE, buf))
++               return 0;
++           }
++       }
++
++      /* Not a GPT partition.  */
++      *gpt_offset = 0;
++
+       /* Increase the entry number.  */
+       (*entry)++;
+ 
+@@ -710,6 +755,43 @@
+       return 1;
+     }
+ 
++  /* Get the next GPT slice.  */
++  int next_gpt_slice (void)
++    {
++      struct grub_gpt_partentry *gptentry = (struct grub_gpt_partentry *) buf;
++      /* Make GPT partitions show up as PC slices.  */
++      int pc_slice_no = (*partition & 0xFF0000) >> 16;
++
++      /* If this is the first time...  */
++      if (pc_slice_no == 0xFF)
++       {
++         pc_slice_no = -1;
++         *entry = -1;
++       }
++
++      do {
++       (*entry)++;
++
++       if (*entry >= *gpt_count)
++         {
++           errnum = ERR_NO_PART;
++           return 0;
++         }
++       /* Read in the GPT Partition table entry.  */
++       if (! rawread (drive, (*gpt_offset) + GPT_ENTRY_SECTOR (*gpt_size, *entry), GPT_ENTRY_INDEX (*gpt_size, *entry), *gpt_size, buf))
++         return 0;
++      } while (! (gptentry->type1 && gptentry->type2));
++
++      pc_slice_no++;
++      *start = gptentry->start;
++      *len = gptentry->end - gptentry->start + 1;
++      *type = PC_SLICE_TYPE_EXT2FS;
++      *entry = pc_slice_no;
++      *partition = (*entry << 16) | 0xFFFF;
++
++      return 1;
++    }
++
+   /* Start the body of this function.  */
+   
+ #ifndef STAGE1_5
+@@ -717,6 +799,9 @@
+     return 0;
+ #endif
+ 
++  if (*partition != 0xFFFFFF && *gpt_offset != 0)
++    return next_gpt_slice ();
++
+   /* If previous partition is a BSD partition or a PC slice which
+      contains BSD partitions...  */
+   if ((*partition != 0xFFFFFF && IS_PC_SLICE_TYPE_BSD (*type & 0xff))
+@@ -755,6 +840,9 @@
+   unsigned long dest_partition = current_partition;
+   unsigned long part_offset;
+   unsigned long ext_offset;
++  unsigned long gpt_offset;
++  int gpt_count;
++  int gpt_size;
+   int entry;
+   char buf[SECTOR_SIZE];
+   int bsd_part, pc_slice;
+@@ -766,7 +854,8 @@
+       int ret = next_partition (current_drive, dest_partition,
+ 				&current_partition, &current_slice,
+ 				&part_start, &part_length,
+-				&part_offset, &entry, &ext_offset, buf);
++                               &part_offset, &entry, &ext_offset,
++                               &gpt_offset, &gpt_count, &gpt_size, buf);
+       bsd_part = (current_partition >> 8) & 0xFF;
+       pc_slice = current_partition >> 16;
+       return ret;
+diff -ruBbd --unidirectional-new-file grub-0.96/stage2/gpt.h grub-0.96-patched/stage2/gpt.h
+--- grub-0.96/stage2/gpt.h	1969-12-31 19:00:00.000000000 -0500
++++ grub-0.96-patched/stage2/gpt.h	2007-01-04 13:52:14.000000000 -0500
+@@ -0,0 +1,68 @@
++/*
++ *  GRUB  --  GRand Unified Bootloader
++ *  Copyright (C) 2002,2005,2006   Free Software Foundation, Inc.
++ *
++ *  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; either version 2 of the License, or
++ *  (at your option) any later version.
++ *
++ *  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, write to the Free Software
++ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
++ */
++
++#ifndef _GPT_H
++#define _GPT_H
++
++typedef signed char grub_int8_t;
++typedef signed short grub_int16_t;
++typedef signed int grub_int32_t;
++typedef signed long long int grub_int64_t;
++typedef unsigned char grub_uint8_t;
++typedef unsigned short grub_uint16_t;
++typedef unsigned int grub_uint32_t;
++typedef unsigned long long int grub_uint64_t;
++
++struct grub_gpt_header
++{
++  grub_uint64_t magic;
++  grub_uint32_t version;
++  grub_uint32_t headersize;
++  grub_uint32_t crc32;
++  grub_uint32_t unused1;
++  grub_uint64_t primary;
++  grub_uint64_t backup;
++  grub_uint64_t start;
++  grub_uint64_t end;
++  grub_uint8_t guid[16];
++  grub_uint64_t partitions;
++  grub_uint32_t maxpart;
++  grub_uint32_t partentry_size;
++  grub_uint32_t partentry_crc32;
++} __attribute__ ((packed));
++
++struct grub_gpt_partentry
++{
++  grub_uint64_t type1;
++  grub_uint64_t type2;
++  grub_uint8_t guid[16];
++  grub_uint64_t start;
++  grub_uint64_t end;
++  grub_uint8_t attrib;
++  char name[72];
++} __attribute__ ((packed));
++
++#define GPT_HEADER_MAGIC       0x5452415020494645UL
++
++#define        GPT_ENTRY_SECTOR(size,entry)                                    \
++       ((((entry) * (size) + 1) & ~(SECTOR_SIZE - 1)) >> SECTOR_BITS)
++#define        GPT_ENTRY_INDEX(size,entry)                                     \
++       ((((entry) * (size) + 1) & (SECTOR_SIZE - 1)) - 1)
++
++#endif /* _GPT_H */
+diff -ruBbd --unidirectional-new-file grub-0.96/stage2/pc_slice.h grub-0.96-patched/stage2/pc_slice.h
+--- grub-0.96/stage2/pc_slice.h	2003-07-09 07:45:53.000000000 -0400
++++ grub-0.96-patched/stage2/pc_slice.h	2007-01-04 13:52:14.000000000 -0500
+@@ -115,6 +115,7 @@
+ #define PC_SLICE_TYPE_LINUX_EXTENDED	0x85
+ #define PC_SLICE_TYPE_VSTAFS		0x9e
+ #define PC_SLICE_TYPE_DELL_UTIL		0xde
++#define PC_SLICE_TYPE_GPT              0xee
+ #define PC_SLICE_TYPE_LINUX_RAID	0xfd
+ 
+ 
+diff -ruBbd --unidirectional-new-file grub-0.96/stage2/shared.h grub-0.96-patched/stage2/shared.h
+--- grub-0.96/stage2/shared.h	2004-06-19 12:40:09.000000000 -0400
++++ grub-0.96-patched/stage2/shared.h	2007-01-04 13:52:15.000000000 -0500
+@@ -934,7 +934,9 @@
+ 		    unsigned long *partition, int *type,
+ 		    unsigned long *start, unsigned long *len,
+ 		    unsigned long *offset, int *entry,
+-		    unsigned long *ext_offset, char *buf);
++                   unsigned long *ext_offset,
++                   unsigned long *gpt_offset, int *gpt_count,
++                   int *gpt_size, char *buf);
+ 
+ /* Sets device to the one represented by the SAVED_* parameters. */
+ int make_saved_active (void);
diff --git a/sys-boot/grub/files/grub-1.95-build.patch b/sys-boot/grub/files/grub-1.95-build.patch
new file mode 100644
index 00000000..fff11a5c
--- /dev/null
+++ b/sys-boot/grub/files/grub-1.95-build.patch
@@ -0,0 +1,15 @@
+http://bugs.gentoo.org/185361
+
+fix building in parallel
+
+--- grub-1.95/conf/i386-pc.mk
++++ grub-1.95/conf/i386-pc.mk
+@@ -739,7 +739,7 @@
+ 	$(CC) -Iutil -I$(srcdir)/util $(CPPFLAGS) $(CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -MD -c -o $@ $<
+ -include grub_emu-util_console.d
+ 
+-grub_emu-util_grub_emu.o: util/grub-emu.c
++grub_emu-util_grub_emu.o: util/grub-emu.c grub_modules_init.h
+ 	$(CC) -Iutil -I$(srcdir)/util $(CPPFLAGS) $(CFLAGS) -DGRUB_UTIL=1 $(grub_emu_CFLAGS) -MD -c -o $@ $<
+ -include grub_emu-util_grub_emu.d
+ 
diff --git a/sys-boot/grub/files/grub-1.96-genkernel.patch b/sys-boot/grub/files/grub-1.96-genkernel.patch
new file mode 100644
index 00000000..471fc66a
--- /dev/null
+++ b/sys-boot/grub/files/grub-1.96-genkernel.patch
@@ -0,0 +1,11 @@
+--- util/grub.d/10_linux.in
++++ util/grub.d/10_linux.in
+@@ -93,7 +93,7 @@
+   echo "$a"
+ }
+ 
+-list=`for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
++list=`for i in /boot/kernel-* /boot/vmlinu[xz]-* /vmlinu[xz]-* ; do
+         if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
+       done`
+ 
diff --git a/sys-boot/grub/files/grub.conf.gentoo b/sys-boot/grub/files/grub.conf.gentoo
new file mode 100644
index 00000000..0027099e
--- /dev/null
+++ b/sys-boot/grub/files/grub.conf.gentoo
@@ -0,0 +1,16 @@
+# This is a sample grub.conf for use with Genkernel, per the Gentoo handbook
+# http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=1&chap=10#doc_chap2
+# If you are not using Genkernel and you need help creating this file, you
+# should consult the handbook. Alternatively, consult the grub.conf.sample that
+# is included with the Grub documentation.
+
+default 0
+timeout 30
+#splashimage=(hd0,0)/boot/grub/splash.xpm.gz
+
+#title Gentoo Linux 2.6.24-r5
+#root (hd0,0)
+#kernel /boot/kernel-genkernel-x86-2.6.24-gentoo-r5 root=/dev/ram0 real_root=/dev/sda3
+#initrd /boot/initramfs-genkernel-x86-2.6.24-gentoo-r5
+
+# vim:ft=conf:
diff --git a/sys-boot/grub/grub-0.97-r6.ebuild b/sys-boot/grub/grub-0.97-r6.ebuild
new file mode 100644
index 00000000..74dd76a3
--- /dev/null
+++ b/sys-boot/grub/grub-0.97-r6.ebuild
@@ -0,0 +1,271 @@
+# Copyright 1999-2008 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-boot/grub/grub-0.97-r6.ebuild,v 1.9 2008/11/01 12:46:54 robbat2 Exp $
+
+# XXX: we need to review menu.lst vs grub.conf handling.  We've been converting
+#      all systems to grub.conf (and symlinking menu.lst to grub.conf), but
+#      we never updated any of the source code (it still all wants menu.lst),
+#      and there is no indication that upstream is making the transition.
+
+inherit mount-boot eutils flag-o-matic toolchain-funcs autotools
+
+PATCHVER="1.7"
+DESCRIPTION="GNU GRUB Legacy boot loader"
+HOMEPAGE="http://www.gnu.org/software/grub/"
+SRC_URI="mirror://gentoo/${P}.tar.gz
+	ftp://alpha.gnu.org/gnu/${PN}/${P}.tar.gz
+	mirror://gentoo/splash.xpm.gz
+	mirror://gentoo/${P}-patches-${PATCHVER}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="amd64 x86 ~x86-fbsd"
+IUSE="custom-cflags ncurses netboot static"
+
+DEPEND="ncurses? (
+		>=sys-libs/ncurses-5.2-r5
+		amd64? ( app-emulation/emul-linux-x86-baselibs )
+	)"
+PROVIDE="virtual/bootloader"
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+
+	# patch breaks booting for some people #111885
+	rm "${WORKDIR}"/patch/400_*
+
+	# Grub will not handle a kernel larger than EXTENDED_MEMSIZE Mb as
+	# discovered in bug 160801. We can change this, however, using larger values
+	# for this variable means that Grub needs more memory to run and boot. For a
+	# kernel of size N, Grub needs (N+1)*2.  Advanced users should set a custom
+	# value in make.conf, it is possible to make kernels ~16Mb in size, but it
+	# needs the kitchen sink built-in.
+	local t="custom"
+	if [[ -z ${GRUB_MAX_KERNEL_SIZE} ]] ; then
+		case $(tc-arch) in
+			amd64) GRUB_MAX_KERNEL_SIZE=7 ;;
+			x86)   GRUB_MAX_KERNEL_SIZE=3 ;;
+		esac
+		t="default"
+	fi
+	einfo "Grub will support the ${t} maximum kernel size of ${GRUB_MAX_KERNEL_SIZE} Mb (GRUB_MAX_KERNEL_SIZE)"
+
+	sed -i \
+		-e "/^#define.*EXTENDED_MEMSIZE/s,3,${GRUB_MAX_KERNEL_SIZE},g" \
+		"${S}"/grub/asmstub.c \
+		|| die "Failed to hack memory size"
+
+	if [[ -n ${PATCHVER} ]] ; then
+		EPATCH_SUFFIX="patch"
+		epatch "${WORKDIR}"/patch
+		eautoreconf
+	fi
+}
+
+src_compile() {
+	filter-flags -fPIE #168834
+
+	use amd64 && multilib_toolchain_setup x86
+
+	unset BLOCK_SIZE #73499
+
+	### i686-specific code in the boot loader is a bad idea; disabling to ensure
+	### at least some compatibility if the hard drive is moved to an older or
+	### incompatible system.
+
+	# grub-0.95 added -fno-stack-protector detection, to disable ssp for stage2,
+	# but the objcopy's (faulty) test fails if -fstack-protector is default.
+	# create a cache telling configure that objcopy is ok, and add -C to econf
+	# to make use of the cache.
+	#
+	# CFLAGS has to be undefined running econf, else -fno-stack-protector detection fails.
+	# STAGE2_CFLAGS is not allowed to be used on emake command-line, it overwrites
+	# -fno-stack-protector detected by configure, removed from netboot's emake.
+	use custom-cflags || unset CFLAGS
+
+	export grub_cv_prog_objcopy_absolute=yes #79734
+	use static && append-ldflags -static
+
+	# Per bug 216625, the emul packages do not provide .a libs for performing
+	# suitable static linking
+	if use amd64 && use static ; then
+		if [ -z "${GRUB_STATIC_PACKAGE_BUILDING}" ]; then
+			die "You must use the grub-static package if you want a static Grub on amd64!"
+		else
+			eerror "You have set GRUB_STATIC_PACKAGE_BUILDING. This"
+			eerror "is specifically intended for building the tarballs for the"
+			eerror "grub-static package via USE='static -ncurses'."
+			eerror "All bets are now off."
+			ebeep 10
+		fi
+	fi
+
+	# build the net-bootable grub first, but only if "netboot" is set
+	if use netboot ; then
+		econf \
+		--libdir=/lib \
+		--datadir=/usr/lib/grub \
+		--exec-prefix=/ \
+		--disable-auto-linux-mem-opt \
+		--enable-pci-direct \
+		--enable-diskless \
+		--enable-{3c{5{03,07,09,29,95},90x},cs89x0,davicom,depca,eepro{,100}} \
+		--enable-{epic100,exos205,ni5210,lance,ne2100,ni{50,65}10,natsemi} \
+		--enable-{ne,ns8390,wd,otulip,rtl8139,sis900,sk-g16,smc9000,tiara} \
+		--enable-{tulip,via-rhine,w89c840} || die "netboot econf failed"
+
+		emake w89c840_o_CFLAGS="-O" || die "making netboot stuff"
+
+		mv -f stage2/{nbgrub,pxegrub} "${S}"/
+		mv -f stage2/stage2 stage2/stage2.netboot
+
+		make clean || die "make clean failed"
+	fi
+
+	# Now build the regular grub
+	# Note that FFS and UFS2 support are broken for now - stage1_5 files too big
+	econf \
+		--libdir=/lib \
+		--datadir=/usr/lib/grub \
+		--exec-prefix=/ \
+		--disable-auto-linux-mem-opt \
+		$(use_with ncurses curses) \
+		|| die "econf failed"
+
+	# sanity check due to common failure
+	use ncurses && ! grep -qs "HAVE_LIBCURSES.*1" config.h && die "USE=ncurses but curses not found"
+
+	emake || die "making regular stuff"
+}
+
+src_test() {
+	# non-default block size also give false pass/fails.
+	unset BLOCK_SIZE
+	make check || die "make check failed"
+}
+
+src_install() {
+	emake DESTDIR="${D}" install || die
+	if use netboot ; then
+		exeinto /usr/lib/grub/${CHOST}
+		doexe nbgrub pxegrub stage2/stage2.netboot || die "netboot install"
+	fi
+
+	dodoc AUTHORS BUGS ChangeLog NEWS README THANKS TODO
+	newdoc docs/menu.lst grub.conf.sample
+	dodoc "${FILESDIR}"/grub.conf.gentoo
+	prepalldocs
+
+	[ -n "${GRUB_STATIC_PACKAGE_BUILDING}" ] && \
+		mv \
+		"${D}"/usr/share/doc/${PF} \
+		"${D}"/usr/share/doc/grub-static-${PF/grub-}
+
+	insinto /usr/share/grub
+	doins "${DISTDIR}"/splash.xpm.gz
+}
+
+setup_boot_dir() {
+	local boot_dir=$1
+	local dir=${boot_dir}
+
+	[[ ! -e ${dir} ]] && die "${dir} does not exist!"
+	[[ ! -L ${dir}/boot ]] && ln -s . "${dir}/boot"
+	dir="${dir}/grub"
+	if [[ ! -e ${dir} ]] ; then
+		mkdir "${dir}" || die "${dir} does not exist!"
+	fi
+
+	# change menu.lst to grub.conf
+	if [[ ! -e ${dir}/grub.conf ]] && [[ -e ${dir}/menu.lst ]] ; then
+		mv -f "${dir}"/menu.lst "${dir}"/grub.conf
+		ewarn
+		ewarn "*** IMPORTANT NOTE: menu.lst has been renamed to grub.conf"
+		ewarn
+	fi
+
+	if [[ ! -e ${dir}/menu.lst ]]; then
+		einfo "Linking from new grub.conf name to menu.lst"
+		ln -snf grub.conf "${dir}"/menu.lst
+	fi
+
+	if [[ -e ${dir}/stage2 ]] ; then
+		mv "${dir}"/stage2{,.old}
+		ewarn "*** IMPORTANT NOTE: you must run grub and install"
+		ewarn "the new version's stage1 to your MBR.  Until you do,"
+		ewarn "stage1 and stage2 will still be the old version, but"
+		ewarn "later stages will be the new version, which could"
+		ewarn "cause problems such as an unbootable system."
+		ewarn "This means you must use either grub-install or perform"
+		ewarn "root/setup manually! For more help, see the handbook:"
+		ewarn "http://www.gentoo.org/doc/en/handbook/handbook-${ARCH}.xml?part=1&chap=10#grub-install-auto"
+		ebeep
+	fi
+
+	einfo "Copying files from /lib/grub, /usr/lib/grub and /usr/share/grub to ${dir}"
+	for x in \
+		"${ROOT}"/lib*/grub/*/* \
+		"${ROOT}"/usr/lib*/grub/*/* \
+		"${ROOT}"/usr/share/grub/* ; do
+		[[ -f ${x} ]] && cp -p "${x}" "${dir}"/
+	done
+
+	if [[ ! -e ${dir}/grub.conf ]] ; then
+		s="${ROOT}/usr/share/doc/${PF}/grub.conf.gentoo"
+		[[ -e "${s}" ]] && cat "${s}" >${dir}/grub.conf
+		[[ -e "${s}.gz" ]] && zcat "${s}.gz" >${dir}/grub.conf
+		[[ -e "${s}.bz2" ]] && bzcat "${s}.bz2" >${dir}/grub.conf
+	fi
+
+	# Per bug 218599, we support grub.conf.install for users that want to run a
+	# specific set of Grub setup commands rather than the default ones.
+	grub_config=${dir}/grub.conf.install
+	[[ -e ${grub_config} ]] || grub_config=${dir}/grub.conf
+	if [[ -e ${grub_config} ]] ; then
+		egrep \
+			-v '^[[:space:]]*(#|$|default|fallback|initrd|password|splashimage|timeout|title)' \
+			"${grub_config}" | \
+		/sbin/grub --batch \
+			--device-map="${dir}"/device.map \
+			> /dev/null
+	fi
+
+	# the grub default commands silently piss themselves if
+	# the default file does not exist ahead of time
+	if [[ ! -e ${dir}/default ]] ; then
+		grub-set-default --root-directory="${boot_dir}" default
+	fi
+	einfo "Grub has been installed to ${boot_dir} successfully."
+}
+
+pkg_postinst() {
+	if [[ -n ${DONT_MOUNT_BOOT} ]]; then
+		elog "WARNING: you have DONT_MOUNT_BOOT in effect, so you must apply"
+		elog "the following instructions for your /boot!"
+		elog "Neglecting to do so may cause your system to fail to boot!"
+		elog
+	else
+		setup_boot_dir "${ROOT}"/boot
+		# Trailing output because if this is run from pkg_postinst, it gets mixed into
+		# the other output.
+		einfo ""
+	fi
+	elog "To interactively install grub files to another device such as a USB"
+	elog "stick, just run the following and specify the directory as prompted:"
+	elog "   emerge --config =${PF}"
+	elog "Alternately, you can export GRUB_ALT_INSTALLDIR=/path/to/use to tell"
+	elog "grub where to install in a non-interactive way."
+
+}
+
+pkg_config() {
+	local dir
+	if [ ! -d "${GRUB_ALT_INSTALLDIR}" ]; then
+		einfo "Enter the directory where you want to setup grub:"
+		read dir
+	else
+		dir="${GRUB_ALT_INSTALLDIR}"
+	fi
+	setup_boot_dir "${dir}"
+}