Remove essentials from yml files

.travis.yml

@@ -110,7 +110,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17,2a
       addons:
         apt:
           packages:
@@ -120,7 +120,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
+      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
       addons:
         apt:
           packages:
@@ -227,6 +227,17 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-trusty-6.0
 
+    - os: linux
+      compiler: clang++-7
+      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-7
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-7
+
     - os: linux
       compiler: clang++-6.0
       env: UBSAN=1 TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1
@@ -263,8 +274,6 @@ install:
   - cd ..
   - git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule update --init tools/build
-  - git submodule update --init libs/config
   - git submodule update --init tools/boostdep
   - cp -r $TRAVIS_BUILD_DIR/* libs/throw_exception
   - python tools/boostdep/depinst/depinst.py throw_exception

CMakeLists.txt

@@ -2,6 +2,9 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
 
+# Partial (add_subdirectory only) and experimental CMake support
+# Subject to change; please do not rely on the contents of this file yet
+
 cmake_minimum_required(VERSION 3.5)
 project(BoostThrowException LANGUAGES CXX)
 

appveyor.yml

@@ -44,10 +44,8 @@ install:
   - cd ..
   - git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule update --init tools/build
-  - git submodule update --init libs/config
   - git submodule update --init tools/boostdep
-  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\throw_exception
+  - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\throw_exception\
   - python tools/boostdep/depinst/depinst.py throw_exception
   - cmd /c bootstrap
   - b2 -d0 headers