Jonathan Schleifer 624435c494 Add flags needed for Clang to the build system.
This uses a variable CLANG that should be set to the Clang version. For
now, this has to be done manually (e.g. when invoking jam using jam
-sCLANG=34), but later, this will be auto-detected.

Work towards bug #10396
2014-01-11 17:33:36 -06:00
..