+++ /dev/null
-#============================================================================
-# Several hacks to make the build compatible with certain old/broken jam
-# versions
-#============================================================================
-
-# boostjam is evil: It is compatible to jam 2.4 but has a version number 3.1, we# try to detect boostjam with the ARGV extension
-if $(ARGV[0])
-{
- EXIT "Error: You can't use boostjam for this build." ;
-}
-
-# we can't use boostjam at the moment as it still has the bug from jam 2.4 where
-# settings variables on header targets doesn't work
-if $(JAMVERSION) <= 2.4
-{
- EXIT "Error: This buildsystem requires jam version 2.5 or later." ;
-}
-
-# All scripts invoked by the build system expect a Bourne or compatible shell.
-# Reject C-shell and its variants (such as tcsh). Unfortunately, this is a bit
-# of an ugly hack. It would be nicer to perform this logic at the very end of
-# this file as a last-minute assertion. Unfortunately, however, it seems that
-# references to $(SHELL) in any of the included files get bound at the point
-# of reference, thus we need to perform this filtering as early as possible.
-if [ Match (csh) : $(SHELL) ]
-{
- SHELL = "/bin/sh" ;
-}
-