Add syslinux patches to disable banner and blinking cursor.

sys-boot/syslinux/syslinux-3.83.ebuild

 # Copyright 1999-2010 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/sys-boot/syslinux/syslinux-3.83.ebuild,v 1.3 2010/02/26 12:10:54 fauli Exp $
 
-inherit eutils
+inherit eutils flag-o-matic
 
 DESCRIPTION="SysLinux, IsoLinux and PXELinux bootloader"
 HOMEPAGE="http://syslinux.zytor.com/"
 SRC_URI="mirror://kernel/linux/utils/boot/syslinux/${P}.tar.bz2"
 
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="-* amd64 x86"
 IUSE=""
 
 RDEPEND="sys-fs/mtools
                 dev-perl/Crypt-PasswdMD5
                 dev-perl/Digest-SHA1"
 DEPEND="${RDEPEND}
         dev-lang/nasm"
 
-# This ebuild is a departure from the old way of rebuilding everything in syslinux
-# This departure is necessary since hpa doesn't support the rebuilding of anything other
-# than the installers.
-
-# removed all the unpack/patching stuff since we aren't rebuilding the core stuff anymore
-
 src_unpack() {
         unpack ${A}
         cd "${S}"
         epatch "${FILESDIR}"/${PN}-3.72-nopie.patch
         # Don't prestrip, makes portage angry
         epatch "${FILESDIR}"/${PN}-3.72-nostrip.patch
 
+        # Don't try to build win32/syslinux.exe
+        epatch "${FILESDIR}/"${P}-disable_win32.patch
+
+        # Disable the text banner for quieter boot.
+        epatch "${FILESDIR}/"${P}-disable_banner.patch
+
+        # Disable the blinking cursor as early as possible.
+        epatch "${FILESDIR}/"${P}-disable_cursor.patch
+
         rm -f gethostip #bug 137081
 }
 
 src_compile() {
-        emake installer || die
+        # By default, syslinux wants you to use pre-built binaries
+        # and only compile part of the package. Since we want to rebuild
+        # everything from scratch we need to remove the prebuilts or else
+        # some things don't get built with standard make.
+        emake spotless || die "make spotless failed"
+
+        # The syslinux build can't tolerate "-Wl,-O*"
+        filter-ldflags -Wl,-O1 -Wl,-O2 -Wl,-Os
+
+        emake || die "make failed"
 }
 
 src_install() {
         emake INSTALLSUBDIRS=utils INSTALLROOT="${D}" MANDIR=/usr/share/man install || die
         dodoc README NEWS TODO doc/*
 }