Add a comment describing our boost definitions.

diff --git a/cmake/configure/configure_2_boost.cmake b/cmake/configure/configure_2_boost.cmake
index b61c7a64d5a54dc3ff388bf9f74ad343e9c6dc57..c2b75b452954c15ad16a1d40c9c32ffd6b3892c0 100644 (file)
--- a/cmake/configure/configure_2_boost.cmake
+++ b/cmake/configure/configure_2_boost.cmake
@@ -68,7 +68,12 @@ MACRO(FEATURE_BOOST_CONFIGURE_COMMON)
 
   RESET_CMAKE_REQUIRED()
 
-  IF( NOT DEAL_II_HAS_AUTO_PTR )
+  # Fix some problems by defining some additional preprocessor
+  # symbols. Ultimately these are added into DEAL_II_DEFINITIONS and
+  # DEAL_II_USER_DEFINITIONS. They are separate here so that they show up in
+  # detailed.log under DEAL_II_WITH_BOOST as, logically, they are part of our
+  # boost configuration.
+  IF(NOT DEAL_II_HAS_AUTO_PTR)
     LIST(APPEND BOOST_DEFINITIONS "BOOST_NO_AUTO_PTR")
     LIST(APPEND BOOST_USER_DEFINITIONS "BOOST_NO_AUTO_PTR")
   ENDIF()