Applying Neon optimization patch to the ZLIB library.

sys-libs/zlib/zlib-1.2.3-r1.ebuild

 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/sys-libs/zlib/zlib-1.2.3-r1.ebuild,v 1.14 2009/10/10 17:01:04 vapier Exp $
 
 inherit eutils flag-o-matic toolchain-funcs
 
 DESCRIPTION="Standard (de)compression library"
 HOMEPAGE="http://www.zlib.net/"
 SRC_URI="http://www.gzip.org/zlib/${P}.tar.bz2
         http://www.zlib.net/${P}.tar.bz2"
@@ skipping 10 matching lines @@
         cd "${S}"
         epatch "${FILESDIR}"/${P}-build.patch
         epatch "${FILESDIR}"/${P}-visibility-support.patch #149929
         epatch "${FILESDIR}"/${PN}-1.2.1-glibc.patch
         epatch "${FILESDIR}"/${PN}-1.2.1-build-fPIC.patch
         epatch "${FILESDIR}"/${PN}-1.2.1-configure.patch #55434
         epatch "${FILESDIR}"/${PN}-1.2.1-fPIC.patch
         epatch "${FILESDIR}"/${PN}-1.2.3-r1-bsd-soname.patch #123571
         epatch "${FILESDIR}"/${PN}-1.2.3-LDFLAGS.patch #126718
         epatch "${FILESDIR}"/${PN}-1.2.3-mingw-implib.patch #288212
+        case ${CHOST} in
+                *arm*)
+                epatch "${FILESDIR}"/${PN}-1.2.3-neon-optimized.patch
+                ;;
+        esac
         sed -i -e '/ldconfig/d' Makefile*
 }
 
 src_compile() {
         tc-export AR CC RANLIB
         case ${CHOST} in
         *-mingw*|mingw*)
                 export RC=${CHOST}-windres DLLWRAP=${CHOST}-dllwrap
                 emake -f win32/Makefile.gcc prefix=/usr || die
                 ;;
@@ skipping 28 matching lines @@
         *)
                 into /
                 dolib libz.so.${PV}
                 ( cd "${D}"/$(get_libdir) ; chmod 755 libz.so.* )
                 dosym libz.so.${PV} /$(get_libdir)/libz.so
                 dosym libz.so.${PV} /$(get_libdir)/libz.so.1
                 gen_usr_ldscript libz.so
                 ;;
         esac
 }