[GHC] #750: Set -M, -H, -c and other memory-related values based on available virtual/physical memory

[GHC]

#750: Set -M, -H, -c and other memory-related values based on available
virtual/physical memory
-------------------------------+-------------------------------------------
        Reporter:  simonmar    |            Owner:
            Type:  feature     |           Status:  new
  request                      |        Milestone:  _|_
        Priority:  normal      |          Version:  6.4.1
       Component:  Runtime     |         Keywords:
  System                       |     Architecture:  Unknown/Multiple
      Resolution:              |       Difficulty:  Easy (less than 1 hour)
Operating System:              |       Blocked By:
  Unknown/Multiple             |  Related Tickets:
 Type of failure:              |
  None/Unknown                 |
       Test Case:  N/A         |
        Blocking:              |
-------------------------------+-------------------------------------------
Changes (by simonmar):

 * failure:   => None/Unknown


Comment:

 See also #8189, which does this for `+RTS -K`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/750#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler