Remove manual boost_install call from CMakeLists.txt

Changes for Embarcadero C++ clang-based compilers, targeting Boost 1.74

.travis.yml

@@ -333,6 +333,7 @@ matrix:
     - os: linux
       env: CMAKE_INSTALL=1
       script:
+        - pip install --user cmake
         - mkdir __build__ && cd __build__
         - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=throw_exception -DCMAKE_INSTALL_PREFIX=~/.local ..
         - cmake --build . --target install

CMakeLists.txt

@@ -16,13 +16,6 @@ target_link_libraries(boost_throw_exception
     Boost::config
 )
 
-if(BOOST_SUPERPROJECT_VERSION)
-
-  include(BoostInstall)
-  boost_install(TARGETS boost_throw_exception HEADER_DIRECTORY include/)
-
-endif()
-
 if(BUILD_TESTING)
 
   add_subdirectory(test)

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

include/boost/throw_exception.hpp

@@ -25,7 +25,7 @@
 #include <boost/config/workaround.hpp>
 #include <exception>
 
-#if !defined( BOOST_EXCEPTION_DISABLE ) && defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT(0x593) )
+#if !defined( BOOST_EXCEPTION_DISABLE ) && defined( BOOST_BORLANDC ) && BOOST_WORKAROUND( BOOST_BORLANDC, BOOST_TESTED_AT(0x593) )
 # define BOOST_EXCEPTION_DISABLE
 #endif
 
@@ -140,7 +140,7 @@ public:
         set_info( *this, throw_function( loc.function_name() ) );
     }
 
-    virtual boost::exception_detail::clone_base const * clone() const
+    virtual boost::exception_detail::clone_base const * clone() const BOOST_OVERRIDE
     {
         wrapexcept * p = new wrapexcept( *this );
         deleter del = { p };
@@ -151,7 +151,7 @@ public:
         return p;
     }
 
-    virtual void rethrow() const
+    virtual void rethrow() const BOOST_OVERRIDE
     {
         throw *this;
     }