From 709570be6214e5d71dfde273de22eadc008ef621 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Tue, 7 Jan 2020 09:10:12 +0100
Subject: [PATCH] CI: Test with clang.

---
 .drone.yml  | 20 ++++++++++++++++----
 README.adoc |  3 ++-
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index cfe0244..113101a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -13,7 +13,7 @@ trigger:
     - tag
 
 steps:
-- name: GCC 8 on Debian buster
+- name: GCC 8 / clang 7
   image: debian:buster-slim
   pull: always
   environment:
@@ -25,18 +25,24 @@ steps:
   - rm /etc/apt/apt.conf.d/docker-clean
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
-  - apt-get install -qq build-essential cmake
+  - apt-get install -qq build-essential cmake clang
   - apt-get install -qq catch libcurl4-openssl-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
   - make install DESTDIR=install
   - cd tests && ctest -V
+  - cd ../../
+  - rm -rf build && mkdir -p build && cd build
+  - CXX="clang++" cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
+  - make VERBOSE=1
+  - make install DESTDIR=install
+  - cd tests && ctest -V
   volumes:
   - name: debian-package-cache
     path: /var/cache/apt/archives
 
-- name: GCC 7 on Ubuntu bionic
+- name: GCC 7 / clang 6
   image: ubuntu:bionic
   pull: always
   environment:
@@ -48,13 +54,19 @@ steps:
   - rm /etc/apt/apt.conf.d/docker-clean
   - alias apt-get='rm -f /var/cache/apt/archives/lock && apt-get'
   - apt-get update -q
-  - apt-get install -qq build-essential cmake
+  - apt-get install -qq build-essential cmake clang
   - apt-get install -qq catch libcurl4-openssl-dev
   - rm -rf build && mkdir -p build && cd build
   - cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
   - make VERBOSE=1
   - make install DESTDIR=install
   - cd tests && ctest -V
+  - cd ../../
+  - rm -rf build && mkdir -p build && cd build
+  - CXX="clang++" cmake -G "Unix Makefiles" -DWITH_TESTS=YES ..
+  - make VERBOSE=1
+  - make install DESTDIR=install
+  - cd tests && ctest -V
   volumes:
   - name: debian-package-cache
     path: /var/cache/apt/archives
diff --git a/README.adoc b/README.adoc
index f272b2c..7b40e52 100644
--- a/README.adoc
+++ b/README.adoc
@@ -6,6 +6,7 @@
 :uri-mastodon-cpp: https://schlomp.space/tastytea/mastodon-cpp
 :uri-reference: https://doc.schlomp.space/{project}/
 :uri-gcc: https://gcc.gnu.org/
+:uti-clang: https://clang.llvm.org/
 :uri-cmake: https://cmake.org/
 :uri-doxygen: http://www.doxygen.nl/
 :uri-catch: https://github.com/catchorg/Catch2
@@ -39,7 +40,7 @@ Have a look at the link:{uri-reference}[reference].
 ==== Dependencies
 
 * Tested OS: Linux
-* C++ compiler (tested: link:{uri-gcc}[GCC] 7/8/9)
+* C++ compiler (tested: link:{uri-gcc}[GCC] 7/8/9, link:{uri-lang}[clang] 6/7)
 * link:{uri-cmake}[CMake] (at least: 3.9)
 * link:{uri-curl}[curl] (tested: 7.66 / 7.58)
 * Optional