Remove boost_install call from CMakeLists.txt

.travis.yml

@@ -394,6 +394,7 @@ matrix:
     - os: linux
       env: CMAKE_INSTALL_TEST=1
       script:
+        - pip install --user cmake
         - mkdir __build__ && cd __build__
         - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=smart_ptr -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=~/.local ..
         - cmake --build . --target install

CMakeLists.txt

@@ -22,13 +22,6 @@ target_link_libraries(boost_smart_ptr
     Boost::type_traits
 )
 
-if(BOOST_SUPERPROJECT_VERSION)
-
-  include(BoostInstall)
-  boost_install(TARGETS boost_smart_ptr HEADER_DIRECTORY include/)
-
-endif()
-
 if(BUILD_TESTING)
 
   add_subdirectory(test)