Merge branch 'fix/CheckSystemBoostEnvVar' into 'master'

Check system boost environment variables and clean boost related CMake variables

See merge request !18

CMakeLists.txt

@@ -203,6 +203,13 @@ set(boost_libraries
 set(boost_extra_options
   "-sNO_BZIP2=1")
 
+# Check if some Boost environment variables could hide local Boost install
+if (NOT ${USE_SYSTEM_boost} AND (DEFINED ENV{BOOSTROOT} OR DEFINED ENV{BOOST_ROOT} OR DEFINED ENV{BOOST_LIBRARYDIR} OR DEFINED ENV{BOOST_INCLUDEDIR}))
+  message(WARNING "Some Boost environment variables are set and may hide the local superbuild Boost installation. "
+                  "Consider enabling USE_SYSTEM_boost flag or unsetting the following environement variables :\n"
+                  " BOOSTROOT=$ENV{BOOSTROOT}\n BOOST_ROOT=$ENV{BOOST_ROOT}\n BOOST_LIBRARYDIR=$ENV{BOOST_LIBRARYDIR}\n BOOST_INCLUDEDIR=$ENV{BOOST_INCLUDEDIR}")
+endif()
+
 list(APPEND superbuild_version_files
   "${CMAKE_CURRENT_LIST_DIR}/versions.cmake")
 list(APPEND superbuild_project_roots

Projects/pcl.cmake

@@ -8,11 +8,8 @@ superbuild_add_project(pcl
   -DBoost_NO_BOOST_CMAKE:BOOL=ON
   -DBoost_USE_MULTITHREAD:BOOL=ON
   -DBoost_USE_STATIC_LIBS:BOOL=OFF
-  -DBoost_USE_STATIC:BOOL=OFF
   -DPCL_BUILD_WITH_BOOST_DYNAMIC_LINKING_WIN32:BOOL=ON
   -DBOOST_LIBRARYDIR:PATH=<INSTALL_DIR>/lib
-  -DBoost_LIBRARY_DIR_DEBUG:PATH=<INSTALL_DIR>/lib
-  -DBoost_LIBRARY_DIR_RELEASE:PATH=<INSTALL_DIR>/lib
   -DEIGEN_INCLUDE_DIR=<INSTALL_DIR>/include/eigen3
   -DQHULL_LIBRARY:FILEPATH=<INSTALL_DIR>/lib/${CMAKE_STATIC_LIBRARY_PREFIX}qhullstatic${CMAKE_STATIC_LIBRARY_SUFFIX}
   -DQHULL_LIBRARY_DEBUG:FILEPATH=<INSTALL_DIR>/lib/${CMAKE_STATIC_LIBRARY_PREFIX}qhullstatic${CMAKE_STATIC_LIBRARY_SUFFIX}