diff --git a/packages/numlib/petsc/petsc-3.3-p5 b/packages/numlib/petsc/petsc-3.3-p5
new file mode 100755
index 0000000..a93d51c
--- /dev/null
+++ b/packages/numlib/petsc/petsc-3.3-p5
@@ -0,0 +1,47 @@
+#!/bin/sh
+# sit class file
+#
+# Christoph Niethammer <niethammer@hlrs.de> (C) 2012
+#
+
+CATEGORY="numlib"
+PACKAGE="petsc"
+VERSION="3.3-p5"
+URL="http://www.mcs.anl.gov/petsc/"
+INSTALLER="Christoph Niethammer <niethammer@hlrs.de>"
+
+# Archive A and package name P
+A=${PACKAGE}-${VERSION}.tar.gz
+P=${PACKAGE}-${VERSION}
+
+case $COMPILER in
+	gnu)
+		ARCH=linux-gnu
+	;;
+	intel)
+		ARCH=linux-gnu-intel
+	;;
+esac
+
+BUILDDIR=$SRCDIR
+# Other interesting configure options:
+# --enable-mpi-threads
+# --enable-progress-threads
+CONFIGURE_OPTS="
+        --CC=$MPICC --CXX=$MPICXX --FC=$MPIFC \
+		PETSC_ARCH=$ARCH \
+		--download-f-blas-lapack=$SRC_POOL/fblaslapack-3.1.1.tar.gz \
+		--with-scalar-type=complex \
+		--with-clanguage=cxx \
+		--with-fortran-kernels=generic \
+"
+
+if [[ -d /opt/voltaire/fca ]]; then
+    echo "Voltaire FCA found"
+    sit_info "Enabling Voltaire FCA (/opt/voltaire/fca)"
+    CONFIGURE_OPTS+=" --with-fca=/opt/voltaire/fca"
+fi
+
+src_pretest() {
+    make PETSC_DIR=$SRCDIR PETSC_ARCH=$ARCH test
+}