[CMake] make -j and cmake

[Jim Chaney]

I have been attempting to switch CMAKE from building using nmake (via a
customised Microsoft Visual Studio 8 generator) to a cygwin make (using
Unix Makefiles generator) in order to use the -j option.  A previous
post (http://www.cmake.org/pipermail/cmake/2008-April/021338.html) noted
that Bill Hoffman had made a special version of make that fixed/reverted
some path/drive letter change in the main CVS branch.

 

Although the version of make available on the cmake website seems to
work OK from the command line, when I then run it under Incredibuild (to
move from parallel to distributed builds) I get a crash inside make.exe.
I have spoken to Xoreax (the makers of Incredibuild) and they are
interested but unable to assist, as the problem is inside make and not
their product.  The logical step then was to make my own debug version
of make from the source, but I cannot get the same behaviour from a
locally compiled make (using latest CVS as downloaded from Savannah) as
I do with the version from the cmake website.

 

So to the questions:

 

1)            What modifications were made to the CVS of make?  Is there
a certain date I should sync to?  (I notice that it says the -j option
only takes effect for that call to make, and subsequent calls have to
have -j added to them; I dont think the cmake generated makefile will do
this for me, will it?)

 

2)            When I get 'valid' source, what parameters were used in
the config.h?  Most importantly, was HAVE_CYGWIN_MAKE or HAVE_MKS_MAKE
defined?

 

 

Apologies of this seems tangential, but unless I am misunderstanding the
CVS repository make hasn't been released for 2+ years so the change from
Bill has never been released...

 

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