--- toolchain.eclass.orig	2015-02-18 19:06:35.751355331 -0500
+++ toolchain.eclass.orig	2015-02-18 19:09:18.605344047 -0500
@@ -146,8 +146,8 @@ 
 	tc_version_is_at_least 4.1 && IUSE+=" libssp objc++"
 	tc_version_is_at_least 4.2 && IUSE_DEF+=( openmp )
 	tc_version_is_at_least 4.3 && IUSE+=" fixed-point"
-	tc_version_is_at_least 4.6 && IUSE+=" graphite"
 	tc_version_is_at_least 4.7 && IUSE+=" go"
+	tc_version_is_at_least 4.8 && IUSE+=" graphite"
 	tc_version_is_at_least 4.8 && IUSE_DEF+=( sanitize )
 fi
 
@@ -180,19 +180,11 @@ 
 tc_version_is_at_least 4.5 && RDEPEND+=" >=dev-libs/mpc-0.8.1"
 
 if in_iuse graphite ; then
-	if tc_version_is_at_least 4.8 ; then
-		RDEPEND+="
-			graphite? (
-				>=dev-libs/cloog-0.18.0
-				>=dev-libs/isl-0.11.1
-			)"
-	else
-		RDEPEND+="
-			graphite? (
-				>=dev-libs/cloog-ppl-0.15.10
-				>=dev-libs/ppl-0.11
-			)"
-	fi
+	RDEPEND+="
+		graphite? (
+			>=dev-libs/cloog-0.18.0
+			>=dev-libs/isl-0.11.1
+		)"
 fi
 
 DEPEND="${RDEPEND}
@@ -1182,22 +1174,10 @@ 
 		confgcc+=( --disable-lto )
 	fi
 
-	# graphite was added in 4.4 but we only support it in 4.6+ due to external
-	# library issues.  4.6/4.7 uses cloog-ppl which is a fork of CLooG with a
-	# PPL backend.  4.8+ uses upstream CLooG with the ISL backend.  We install
-	# cloog-ppl into a non-standard location to prevent collisions.
-	if tc_version_is_at_least 4.8 ; then
-		confgcc+=( $(use_with graphite cloog) )
-		use graphite && confgcc+=( --disable-isl-version-check )
-	elif tc_version_is_at_least 4.6 ; then
-		confgcc+=( $(use_with graphite cloog) )
-		confgcc+=( $(use_with graphite ppl) )
-		use graphite && confgcc+=( --with-cloog-include=/usr/include/cloog-ppl )
-		use graphite && confgcc+=( --disable-ppl-version-check )
-	elif tc_version_is_at_least 4.4 ; then
-		confgcc+=( --without-cloog )
-		confgcc+=( --without-ppl )
-	fi
+	# graphite was added in 4.4 but we only support it in 4.8+ due to external
+	# library issues.
+	confgcc+=( $(use_with graphite cloog) )
+	use graphite && confgcc+=( --disable-isl-version-check )
 
 	if tc_version_is_at_least 4.8 ; then
 		confgcc+=( $(use_enable sanitize libsanitizer) )