From fa6630619259c5cd72e3a7e4248d151e6dbc5495 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Fri, 5 Oct 2018 18:25:43 +0200
Subject: [PATCH] export BLAS_LIB, fix petsc

---
 deal.II-toolchain/packages/openblas.package | 2 ++
 deal.II-toolchain/packages/petsc.package    | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/deal.II-toolchain/packages/openblas.package b/deal.II-toolchain/packages/openblas.package
index ee3837d..6623c1d 100644
--- a/deal.II-toolchain/packages/openblas.package
+++ b/deal.II-toolchain/packages/openblas.package
@@ -23,6 +23,7 @@ package_specific_build () {
 package_specific_register () {
     export LAPACK_DIR=${INSTALL_PATH}/lib
     export BLAS_DIR=${INSTALL_PATH}/lib
+    export BLAS_LIB=${INSTALL_PATH}/lib/libopenblas.so
     # older cmake (for example 3.5) does not detect openblas by default so
     # we force detection by adding to the deal.II configure line:
     export DEAL_CONFOPTS="-D LAPACK_FOUND=true -D LAPACK_LIBRARIES=${INSTALL_PATH}/lib/libopenblas.so ${DEAL_CONFOPTS}"
@@ -35,5 +36,6 @@ package_specific_conf () {
     echo "
 export LAPACK_DIR=${INSTALL_PATH}/lib
 export BLAS_DIR=${INSTALL_PATH}/lib
+export BLAS_LIB=${INSTALL_PATH}/lib/libopenblas.so
 " >> $CONFIG_FILE
 }
diff --git a/deal.II-toolchain/packages/petsc.package b/deal.II-toolchain/packages/petsc.package
index 2fcb24a..05c5582 100644
--- a/deal.II-toolchain/packages/petsc.package
+++ b/deal.II-toolchain/packages/petsc.package
@@ -65,6 +65,11 @@ if [ ! -z "${MKL_DIR}" ]; then
     cecho ${INFO} "petsc: configuration with MKL"
     cecho ${INFO} "petsc: configuration with blas-lapack-dir=${MKL_DIR}"
     CONFOPTS="${CONFOPTS} --with-blas-lapack-dir=${MKL_DIR}"
+else
+    if [ ! -z "${BLAS_LIB}" ]; then
+        cecho ${INFO} "petsc: configuration with --with-blas-lapack-lib=${BLAS_LIB}"
+        CONFOPTS="${CONFOPTS} --with-blas-lapack-lib=${BLAS_LIB}"
+    fi
 fi
 
 # Add ParMETIS, if present
-- 
2.39.5