Re: how to allow multiple empty commands?

[Philip Guenther]

On Thu, Feb 4, 2010 at 8:46 AM, Mark Galeck (CW) <address@hidden> wrote:
...
> One of the things that take time, I think, is make trying to "build" all those
> source and header files, every time it encounters a header file prerequisite 
> (automatically
> generated) for an object file, and for each object file typically there are 
> thousands,
> each time, it tries to find implicit rules for that header file.

What makes you think that make will examine a header file, do the
implicit rule search for it and decide there's no match, and then
later in the same run do the search again?  Have you examined "make
-d" output to see whether that's the case?


Philip Guenther