Bump required c++ version to C++17

.gitignore

@@ -28,11 +28,14 @@
 *.app
 
 # Build artifacts
-build/
+build*/
 
 # Editor
 tags
 compile_commands.json
+.exrc
+.ccls-cache/
+.clangd/
 
 # Synapse data
 data/

CMakeLists.txt

@@ -10,7 +10,7 @@ option(IWYU "Check headers with include-what-you-use" OFF)
 option(BUILD_SHARED_LIBS "Specifies whether to build mtxclient as a shared library lib or not" ON)
 
 set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 

Dockerfile

-FROM ubuntu:14.04
+FROM ubuntu:16.04
 
 ENV LIBSODIUM_VERSION=1.0.16
 ENV SPDLOG_VERSION=1.1.0
@@ -18,7 +18,7 @@ RUN \
     # Toolchains
     add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
     curl -L https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - && \
-    apt-add-repository "deb https://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main" && \
+    apt-add-repository "deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-6.0 main" && \
     apt-get update -qq && \
     apt-get install -y --no-install-recommends \
         ninja-build \
@@ -57,7 +57,7 @@ RUN \
     curl -L https://dl.bintray.com/boostorg/release/1.70.0/source/boost_1_70_0.tar.gz -o boost_1_70_0.tar.gz && \
     tar xfz boost_1_70_0.tar.gz && cd /build/boost/boost_1_70_0/ && \
     ./bootstrap.sh --with-libraries=random,thread,system,iostreams,atomic,chrono,date_time,regex && \
-    ./b2 -d0 cxxstd=14 variant=release link=static threading=multi --layout=system && \
+    ./b2 -d0 cxxstd=17 variant=release link=static threading=multi --layout=system && \
     ./b2 -d0 install && \
     # Gtest
     mkdir -p /build/gtest && cd /build/gtest && \

README.md

@@ -13,7 +13,7 @@ Client API library for the Matrix protocol, built on top of Boost.Asio.
 
 - Boost 1.70 (includes Boost.Beast and makes the strand interface usable)
 - OpenSSL
-- C++ 14 compiler
+- C++ 17 compiler
 - CMake 3.15 or greater (lower versions can work, but they tend to mess up linking the right boost libraries)
 - Google Test (for testing)
 - libsodium 1.0.14 or greater

deps/cmake/Boost.cmake

@@ -16,7 +16,7 @@ ExternalProject_Add(
   CONFIGURE_COMMAND ${DEPS_BUILD_DIR}/boost/bootstrap.sh
     --with-libraries=random,thread,system,iostreams,atomic,chrono,date_time,regex
     --prefix=${DEPS_INSTALL_DIR}
-  BUILD_COMMAND ${DEPS_BUILD_DIR}/boost/b2 -d0 cxxstd=14 variant=release link=shared runtime-link=shared threading=multi --layout=system
+  BUILD_COMMAND ${DEPS_BUILD_DIR}/boost/b2 -d0 cxxstd=17 variant=release link=shared runtime-link=shared threading=multi --layout=system
   INSTALL_COMMAND ${DEPS_BUILD_DIR}/boost/b2 -d0 install
 )