diff --git a/srcpkgs/gcc/gcc-c++.rshlibs b/srcpkgs/gcc/gcc-c++.rshlibs
index 0167f35af9c..d716e33d84d 100644
--- a/srcpkgs/gcc/gcc-c++.rshlibs
+++ b/srcpkgs/gcc/gcc-c++.rshlibs
@@ -1,8 +1,8 @@
 libc.so.6
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
 libdl.so.2
 libz.so.1
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/gcc-fortran.rshlibs b/srcpkgs/gcc/gcc-fortran.rshlibs
index 0167f35af9c..d716e33d84d 100644
--- a/srcpkgs/gcc/gcc-fortran.rshlibs
+++ b/srcpkgs/gcc/gcc-fortran.rshlibs
@@ -1,8 +1,8 @@
 libc.so.6
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
 libdl.so.2
 libz.so.1
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/gcc-go.rshlibs b/srcpkgs/gcc/gcc-go.rshlibs
index 4d3a7e9eaee..ec894ee9dcb 100644
--- a/srcpkgs/gcc/gcc-go.rshlibs
+++ b/srcpkgs/gcc/gcc-go.rshlibs
@@ -1,6 +1,4 @@
 libc.so.6
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
@@ -9,3 +7,5 @@ libz.so.1
 libstdc++.so.6
 libm.so.6
 libgcc_s.so.1
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/gcc-objc++.rshlibs b/srcpkgs/gcc/gcc-objc++.rshlibs
index b94b7d60995..f54780e243d 100644
--- a/srcpkgs/gcc/gcc-objc++.rshlibs
+++ b/srcpkgs/gcc/gcc-objc++.rshlibs
@@ -1,8 +1,8 @@
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
 libdl.so.2
 libz.so.1
 libc.so.6
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/gcc-objc.rshlibs b/srcpkgs/gcc/gcc-objc.rshlibs
index b94b7d60995..f54780e243d 100644
--- a/srcpkgs/gcc/gcc-objc.rshlibs
+++ b/srcpkgs/gcc/gcc-objc.rshlibs
@@ -1,8 +1,8 @@
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
 libdl.so.2
 libz.so.1
 libc.so.6
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/gcc.rshlibs b/srcpkgs/gcc/gcc.rshlibs
index 0167f35af9c..d716e33d84d 100644
--- a/srcpkgs/gcc/gcc.rshlibs
+++ b/srcpkgs/gcc/gcc.rshlibs
@@ -1,8 +1,8 @@
 libc.so.6
-libcloog.so.0
-libppl_c.so.4
 libmpc.so.2
 libmpfr.so.4
 libgmp.so.10
 libdl.so.2
 libz.so.1
+libcloog-isl.so.3
+libppl_c.so.4
diff --git a/srcpkgs/gcc/patches/gcc-4.7.0-cloog-0.17.patch b/srcpkgs/gcc/patches/gcc-4.7.0-cloog-0.17.patch
new file mode 100644
index 00000000000..48882ef0a34
--- /dev/null
+++ b/srcpkgs/gcc/patches/gcc-4.7.0-cloog-0.17.patch
@@ -0,0 +1,23 @@
+--- configure	2011-12-18 20:03:44.000000000 +1000
++++ configure	2012-02-03 17:55:14.885990135 +1000
+@@ -6049,8 +6049,8 @@
+     LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${ppllibs}"
+
+     if test "${cloog_org}" = yes ; then
+-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.16.1 of CLooG" >&5
+-$as_echo_n "checking for version 0.16.1 of CLooG... " >&6; }
++      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.17 of CLooG" >&5
++$as_echo_n "checking for version 0.17 of CLooG... " >&6; }
+ if test "${gcc_cv_cloog_ct_0_14_0+set}" = set; then :
+   $as_echo_n "(cached) " >&6
+ else
+@@ -6061,8 +6061,7 @@
+ main ()
+ {
+ #if CLOOG_VERSION_MAJOR != 0 \
+-    || CLOOG_VERSION_MINOR != 16 \
+-    || CLOOG_VERSION_REVISION < 1
++    || CLOOG_VERSION_MINOR != 17
+     choke me
+    #endif
+   ;
diff --git a/srcpkgs/gcc/patches/gcc-4.7.1-libgo-write.patch b/srcpkgs/gcc/patches/gcc-4.7.1-libgo-write.patch
new file mode 100644
index 00000000000..e5e8e8cef84
--- /dev/null
+++ b/srcpkgs/gcc/patches/gcc-4.7.1-libgo-write.patch
@@ -0,0 +1,11 @@
+--- libgo/runtime/print.c	2012-05-26 04:22:14.000000000 +1000
++++ libgo/runtime/print.c	2012-06-16 15:06:28.553138502 +1000
+@@ -17,7 +17,8 @@
+	G* g = runtime_g();
+
+	if(g == nil || g->writebuf == nil) {
+-		runtime_write(2, v, n);
++		ssize_t bytesWritten = runtime_write(2, v, n);
++		(void)bytesWritten;
+		return;
+	}
diff --git a/srcpkgs/gcc/patches/gcc-4.7.1-ppl-1.0.patch b/srcpkgs/gcc/patches/gcc-4.7.1-ppl-1.0.patch
new file mode 100644
index 00000000000..5bb65bdf231
--- /dev/null
+++ b/srcpkgs/gcc/patches/gcc-4.7.1-ppl-1.0.patch
@@ -0,0 +1,11 @@
+--- configure.orig	2012-07-01 17:01:26.754771029 +0200
++++ configure	2012-07-01 17:02:05.402843729 +0200
+@@ -5690,7 +5690,7 @@ int
+ main ()
+ {
+ 
+-    #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
++    #if PPL_VERSION_MAJOR > 2 || PPL_VERSION_MINOR > 20
+     choke me
+     #endif
+ 
diff --git a/srcpkgs/gcc/template b/srcpkgs/gcc/template
index 8aa9531a89e..5c054510e1d 100644
--- a/srcpkgs/gcc/template
+++ b/srcpkgs/gcc/template
@@ -2,10 +2,11 @@
 pkgname=gcc
 _majorver=4.7
 version=${_majorver}.1
-revision=1
+revision=2
 distfiles="http://ftp.gnu.org/pub/gnu/gcc/gcc-$version/gcc-$version.tar.bz2"
 depends="binutils libgomp>=${_majorver} libitm>=${_majorver} libssp-devel>=${_majorver}"
-makedepends="perl flex zlib-devel gmp-devel mpfr-devel mpc-devel cloog-ppl-devel libelf-devel"
+makedepends="perl flex zlib-devel gmp-devel mpfr-devel mpc-devel
+ppl-devel>=1.0 cloog-devel libelf-devel"
 short_desc="The GNU C Compiler"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://gcc.gnu.org"
@@ -51,6 +52,7 @@ do_configure() {
 		--disable-rpath --with-system-zlib --enable-shared --enable-lto \
 		--enable-linker-build-id --enable-gnu-unique-object \
 		--enable-checking=release --disable-libstdcxx-pch \
+		--with-ppl --enable-cloog-backend=isl --enable-libstdcxx-time \
 		${CONFIGURE_SHARED_ARGS}
 }