From 8af793ac6aa4e01f406df5c68458aa0ae64879ee Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Fri, 13 Sep 2019 18:53:28 +0200
Subject: [PATCH] CI: Test with clang-7 on buster.

---
 .drone.yml | 9 +++------
 README.md  | 2 +-
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index b573dcd..62468fb 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -61,20 +61,17 @@ steps:
     path: /var/cache/apt/archives
 
 - name: clang6
-  image: debian:stretch-slim
+  image: debian:buster-slim
   pull: always
   environment:
-    CXX: clang++-6.0
+    CXX: clang++
     CXXFLAGS: -pipe -O2
     LANG: en_US.utf-8
   commands:
   - rm /etc/apt/apt.conf.d/docker-clean
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
-  - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-  - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list.d/stretch.list
   - apt-get update -q
-  - apt-get install -qy -t stretch-backports clang-6.0
-  - apt-get install -qy cmake pkg-config libmagick++-dev
+  - apt-get install -qy clang cmake pkg-config libmagick++-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake ..
   - cmake --build .
diff --git a/README.md b/README.md
index e679cce..5c7d15f 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ key](https://tastytea.de/tastytea_autosign.asc).
 #### Dependencies
 
 * C++ compiler (tested: [gcc](https://gcc.gnu.org/) 6/8/9,
-  [clang](https://llvm.org/) 6)
+  [clang](https://llvm.org/) 7)
 * [cmake](https://cmake.org/) (at least 3.6)
 * [imagemagick](https://www.imagemagick.org/) (tested: 7.0 / 6.7)
 * Optional: