Added #pragma clang system_header

.travis.yml

@@ -314,7 +314,7 @@ matrix:
       env: CMAKE=1
       script:
         - mkdir __build__ && cd __build__
-        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_DEBUG=1 ..
+        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=throw_exception ..
         - ctest --output-on-failure -R boost_throw_exception
 
     - os: linux
@@ -334,7 +334,7 @@ matrix:
       env: CMAKE_INSTALL=1
       script:
         - mkdir __build__ && cd __build__
-        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_DEBUG=1 -DBOOST_INCLUDE_LIBRARIES="assert;config;throw_exception" -DCMAKE_INSTALL_PREFIX=~/.local ..
+        - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=throw_exception -DCMAKE_INSTALL_PREFIX=~/.local ..
         - cmake --build . --target install
         - cd ../libs/throw_exception/test/cmake_install_test && mkdir __build__ && cd __build__
         - cmake -DCMAKE_INSTALL_PREFIX=~/.local ..

doc/changes.adoc

@@ -5,15 +5,15 @@ http://www.boost.org/LICENSE_1_0.txt
 ////
 
 [#changes]
-# Release History
+# Revision History
 :toc:
 :toc-title:
 :idprefix:
 
-## Changes in Boost 1.73.0
+## Changes in 1.73.0
 
 * Added an overload of `throw_exception` that takes a `boost::source_location`
   object.
-  
+
 NOTE: Projects using `BOOST_THROW_EXCEPTION` with exceptions disabled will need
       to add a definition of this new overload.

include/boost/exception/exception.hpp

@@ -16,13 +16,18 @@ namespace boost { template <class T> class shared_ptr; }
 namespace boost { namespace exception_detail { using boost::shared_ptr; } }
 #endif
 
-#if defined(__GNUC__) && (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#if !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#if __GNUC__*100+__GNUC_MINOR__>301
 #pragma GCC system_header
 #endif
-#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#ifdef __clang__
+#pragma clang system_header
+#endif
+#ifdef _MSC_VER
 #pragma warning(push,1)
 #pragma warning(disable: 4265)
 #endif
+#endif
 
 namespace
 boost