message: Also take pkg_INCLUDE_PATH into account
diff: @@ -17,7 +17,7 @@ function(visionaray_use_package name)
  #
  # search for cmake variables in the following order:
  - # name_INCLUDE_DIR, NAME_INCLUDE_DIR, name_INCLUDE_DIRS, NAME_INCLUDE_DIRS
  + # name_INCLUDE_DIR, NAME_INCLUDE_DIR, name_INCLUDE_DIRS, NAME_INCLUDE_DIRS, NAME_INCLUDE_PATH
  if(NOT pkg_INCDIRS)
  if(${name}_INCLUDE_DIR)
  set(pkg_INCDIRS ${${name}_INCLUDE_DIR})
  @@ -27,6 +27,10 @@ function(visionaray_use_package name)
  set(pkg_INCDIRS ${${name}_INCLUDE_DIRS})
  elseif(${upper_name}_INCLUDE_DIRS)
  set(pkg_INCDIRS ${${upper_name}_INCLUDE_DIRS})
  + elseif(${name}_INCLUDE_PATH)
  + set(pkg_INCDIRS ${${name}_INCLUDE_PATH})
  + elseif(${upper_name}_INCLUDE_PATH)
  + set(pkg_INCDIRS ${${upper_name}_INCLUDE_PATH})
  endif()
  endif()
  