Added get_resources.sh that gets Polymath and OpenBLAS

get_resources.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+start_dir=$(pwd)
+rm -rf 3rdparty
+
+mkdir -p 3rdparty/Polymath
+git clone https://git.afach.de/samerafach/Polymath 3rdparty/Polymath
+if [ $? -ne 0 ]; then
+  echo 'Polymath repository cloning failed.'
+  exit 1
+fi
+
+read -p "Would you like to get OpenBLAS, compile it, or should I expect it to be already in your system? [y/n]: " -n 1 -r
+echo "Notice that a compiled version of OpenBLAS is faster because it will be accustomed for your CPU."
+if [[ $REPLY =~ ^[Nn]$ ]]
+then
+echo "Skipped getting OpenBLAS..."
+  exit 0
+fi
+
+mkdir -p 3rdparty/OpenBLAS
+git clone https://github.com/xianyi/OpenBLAS.git 3rdparty/OpenBLAS
+if [ $? -ne 0 ]; then
+  echo 'Cloning OpenBLAS failed.'
+  exit 1
+fi
+
+cd 3rdparty/OpenBLAS
+make -j $(nproc)
+if [ $? -ne 0 ]; then
+  echo 'Building OpenBLAS failed.'
+  exit 1
+fi
+
+#replace ln -fs with cp, to avoid linking problems with ntfs file systems
+#sed -i 's/ln -fs/cp/g' Makefile
+#sed -i 's/ln -fs/cp/g' Makefile.install
+
+make PREFIX=${start_dir}/spintrum/OpenBLAS_install install
+if [ $? -ne 0 ]; then
+  echo 'OpenBLAS installation failed.'
+  exit 1
+fi
+
+cd ${start_dir}