Hi Robert, On Sun, Apr 22, 2012 at 3:24 PM, Erik Pearson <[email protected]> wrote:
> Hi Robert, > > Thanks for the Sunday afternoon reply. > > On Sun, Apr 22, 2012 at 2:31 PM, Robert Goldman <[email protected]>wrote: > >> On 4/22/12 Apr 22 -3:47 PM, Faré wrote: >> > Dear Erik, >> > >> >> >> ASDF assumes that since the system def file has not changed, the system >> >> hasn't been changed either (I know there has been discussion of this >> >> assumption.) But lets assume that at least part of the reason for that >> is >> >> because it is very time consuming to check the entire set of files >> every >> >> time the developer wants to recompile and load just a single file. >> >> >> > I don't think that's true, but my head hurts just thinking about it >> > Sorry, this was me being confused by my own tracing of asdf operations, and not thinking before I typed. I had placed a debugging line in the call to "safe-file-write-date" to see how ofen this is called in during a load. I thought it was not being called on source files just .asd files, but this was incorrect. I had probably already changed something, or been confused about the multiple calls made on systems -- the first call will get the file write date on both source and compiled (if any), but subsequent calls only on the compiled. Erik.
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