From f409ae99eaea8db957e7b5dbbad13252cc673399 Mon Sep 17 00:00:00 2001
From: Matthias Redies <m.redies@fz-juelich.de>
Date: Wed, 18 Jul 2018 16:32:54 +0200
Subject: [PATCH] added mirror for libxc, since tddft.org is aweful

---
 external/libxc/install_libxc.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/external/libxc/install_libxc.sh b/external/libxc/install_libxc.sh
index 7c12522d..7c080f57 100644
--- a/external/libxc/install_libxc.sh
+++ b/external/libxc/install_libxc.sh
@@ -2,7 +2,14 @@ libxc_version=4.2.1
 if [ ! -d libxc-${libxc_version} ]
 then
     #Get the file with the code
-    curl -LO "http://www.tddft.org/programs/octopus/download/libxc/${libxc_version}/libxc-${libxc_version}.tar.gz"
+    curl --connect-timeout 10 -LO "http://www.tddft.org/programs/octopus/download/libxc/${libxc_version}/libxc-${libxc_version}.tar.gz"
+
+    # tddft.org is always offline. Hence a backup:
+    if [ ! -f libxc-${libxc_version}.tar.gz ]; then
+        echo "No file found, try mirror"
+        curl --connect-timeout 10 -LO "https://github.com/MRedies/libxc-mirror/raw/master/libxc-4.2.1.tar.gz"
+    fi
+
     tar xzf libxc-${libxc_version}.tar.gz
     cd libxc-${libxc_version}
     #Compile&test (This will take a while)
-- 
2.24.1