From cfa3da32f9805b4e02f72a025b07a12e7a0f2183 Mon Sep 17 00:00:00 2001
From: Joseph Weston <joseph@weston.cloud>
Date: Fri, 8 Feb 2019 17:21:12 +0100
Subject: [PATCH] move to toolchain3 for conda build toolchain

The old 'toolchain' package has been removed from the conda-forge
channel, and the 'gcc' package has no builds for Linux (several
non-authoratative sources say that it is "deprecated"), and it
seems that the toolchain3 package provides the necessary compilers
---
 docker/kwant-latest.yml           | 3 +--
 docker/kwant-stable-no-extras.yml | 3 +--
 docker/kwant-stable.yml           | 3 +--
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/docker/kwant-latest.yml b/docker/kwant-latest.yml
index 29305536..94d526fb 100644
--- a/docker/kwant-latest.yml
+++ b/docker/kwant-latest.yml
@@ -13,9 +13,8 @@ dependencies:
     - blas #=1.1 openblas
     - openblas #=0.2.20
     # Build toolchain
-    - toolchain
+    - toolchain3
     - cython
-    - gcc
     - libgfortran
     ## Dev Dependencies
     # Testing
diff --git a/docker/kwant-stable-no-extras.yml b/docker/kwant-stable-no-extras.yml
index 59dd6984..afb5ed70 100644
--- a/docker/kwant-stable-no-extras.yml
+++ b/docker/kwant-stable-no-extras.yml
@@ -10,9 +10,8 @@ dependencies:
     - blas #=1.1 openblas
     - openblas #=0.2.20
     # Build toolchain
-    - toolchain
+    - toolchain3
     - cython
-    - gcc
     - libgfortran
     ## Dev Dependencies
     # Testing
diff --git a/docker/kwant-stable.yml b/docker/kwant-stable.yml
index 99f79260..e2d02a00 100644
--- a/docker/kwant-stable.yml
+++ b/docker/kwant-stable.yml
@@ -13,9 +13,8 @@ dependencies:
     - blas #=1.1 openblas
     - openblas #=0.2.20
     # Build toolchain
-    - toolchain
+    - toolchain3
     - cython
-    - gcc
     - libgfortran
     ## Dev Dependencies
     # Testing
-- 
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