also unset SLEPC_DIR

diff --git a/deal.II-toolchain/packages/slepc.package b/deal.II-toolchain/packages/slepc.package
index 161568a98954000994cb18e7919eb3eb3122ab70..20cf378c0bb7ae957514bc12e5476068f60a40ac 100644 (file)
--- a/deal.II-toolchain/packages/slepc.package
+++ b/deal.II-toolchain/packages/slepc.package
@@ -21,6 +21,9 @@ package_specific_setup () {
     cd ${BUILDDIR}
     cp -rf ${UNPACK_PATH}/${EXTRACTSTO}/* .
     
+    # make sure no other invalid SLEPC_DIR is set:
+    unset SLEPC_DIR
+
     ./configure --prefix=${INSTALL_PATH} ${CONFOPTS}
     quit_if_fail "slepc ./configure failed"