--- /usr/portage/dev-util/ccache/ccache-3.1.8.ebuild	2012-12-29 10:31:14.000000000 -0700
+++ ccache-3.1.8-r1.ebuild	2012-12-27 14:16:43.173550720 -0700
@@ -12,10 +12,12 @@
 
 LICENSE="GPL-3"
 SLOT="0"
-KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ppc64 s390 ~sh sparc x86 ~x86-fbsd"
-IUSE=""
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~x64-solaris ~x86-solaris"
+IUSE="clang icc"
 
-RDEPEND="sys-libs/zlib"
+RDEPEND="sys-libs/zlib
+	clang? ( sys-devel/clang )
+	icc? ( dev-lang/icc )"
 DEPEND="${RDEPEND}
 	app-arch/xz-utils"
 
@@ -25,7 +27,8 @@
 	epatch "${FILESDIR}"/${PN}-3.1.7-no-perl.patch #421609
 	sed \
 		-e "/^LIBDIR=/s:lib:$(get_libdir):" \
-		"${FILESDIR}"/ccache-config > ccache-config || die
+		-e "/^EPREFIX=/s:'':'${EPREFIX}':" \
+		"${FILESDIR}"/ccache-config-2 > ccache-config || die
 }
 
 src_install() {
@@ -36,13 +39,15 @@
 }
 
 pkg_postinst() {
-	"${ROOT}"/usr/bin/ccache-config --install-links
-	"${ROOT}"/usr/bin/ccache-config --install-links ${CHOST}
+	"${EROOT}"/usr/bin/ccache-config --install-links
+	"${EROOT}"/usr/bin/ccache-config --install-links ${CHOST}
+	use icc && "${EROOT}"/usr/bin/ccache-config --install-links icc
+	use clang && "${EROOT}"/usr/bin/ccache-config --install-links clang
 
 	# nuke broken symlinks from previous versions that shouldn't exist
-	rm -f "${ROOT}/usr/$(get_libdir)/ccache/bin/${CHOST}-cc"
-	[[ -d "${ROOT}/usr/$(get_libdir)/ccache.backup" ]] && \
-		rm -rf "${ROOT}/usr/$(get_libdir)/ccache.backup"
+	rm -f "${EROOT}/usr/$(get_libdir)/ccache/bin/${CHOST}-cc"
+	[[ -d "${EROOT}/usr/$(get_libdir)/ccache.backup" ]] && \
+		rm -rf "${EROOT}/usr/$(get_libdir)/ccache.backup"
 
 	elog "To use ccache with **non-Portage** C compiling, add"
 	elog "/usr/$(get_libdir)/ccache/bin to the beginning of your path, before /usr/bin."
--- /usr/portage/dev-util/ccache/files/ccache-config	2010-11-21 13:33:31.000000000 -0700
+++ ccache-config-2	2012-12-28 14:22:23.620399420 -0700
@@ -10,7 +10,9 @@
 #
 # Additional features to come; this provides a starting point
 
-. /etc/init.d/functions.sh 2>/dev/null || {
+EPREFIX=''
+
+. "${EPREFIX}"/etc/init.d/functions.sh 2>/dev/null || {
 	ebegin() { echo " * $* ..."; }
 	eend() {
 		local r=${1:-$?}
@@ -37,7 +39,7 @@
 #  automatically update ccache's links when upgrading toolchains
 #
 cc_path() {
-	echo ${ROOT%/}/usr/${LIBDIR}/ccache/bin/$1
+	echo ${ROOT%/}${EPREFIX}/usr/${LIBDIR}/ccache/bin/$1
 }
 cc_remove_link() {
 	local t=$(cc_path "$1")
@@ -60,13 +62,15 @@
 		# then create the new link
 		local t=$(cc_path "$1")
 		c_ebegin "Creating ccache shadow link ${t}"
-		mkdir -p -m 0755 "${t%/*}" && ln -s /usr/bin/ccache "${t}"
+		mkdir -p -m 0755 "${t%/*}" && ln -s "${EPREFIX}"/usr/bin/ccache "${t}"
 		c_eend
 	fi
 }
 cc_links() {
-	local a
-	for a in gcc cc c++ g++ ; do
+	local a compilers="gcc cc c++ g++" 
+	[ "${2}" = icc ] && compilers="icc icpc" && set -- "$1"
+	[ "${2}" = clang ] && compilers="clang clang++" && set -- "$1"
+	for a in ${compilers} ; do
 		if [ -n "${2}" ] ; then
 			# gcc-config doesnt install ${CHOST}-cc, so until
 			# it does, don't install a ccache symlink for it
@@ -88,6 +92,6 @@
 		cc_links remove "${2}"
 		;;
 	* )
-		echo "usage: ${0} {--install-links|--remove-links} [ CHOST ]"
+		echo "usage: ${0} {--install-links|--remove-links} [ CHOST|clang|icc ]"
 		;;
 esac