[Halld-offline] modification of dependency file generation by makefiles

[David Lawrence]

Hi Mark,

    FYI: I updated to the latest version of the source (including make 
system) on Mac OS X 10.5 and was successfully able to build everything 
after doing a "make clean". The "No such file ..." messages came up as 
advertised and the build went happily on. Subsequent make invocations 
gave no warnings, also as advertised.

Regards,
-David

Mark M. Ito wrote:
> Folks,
>
> I just checked in modifications to the makefiles in src/BMS that change 
> the way dependency files are generated. Things are not much different, 
> the dependency files themselves and their location has not changed. The 
> "trigger mechanism" for making them and some internal make rules have 
> been modified. Most notably, this should fix a problem where the 
> dependency files were not getting remade when the source file (*.cc, 
> *.c, *.F) was modified. Also this should eliminate some of the scenarios 
> where the .depends directory had to be deleted for a re-make to succeed.
>
> One "feature" of the new scheme is that you will now see error messages 
> that contain text like
>
>   .depends/Linux_RHEL5-i686-gcc4.1.2/DFCALCluster.d: No such file or 
> directory
>
> This is normal and will occur whenever a dependency file (note that it 
> will be a *.d file that is mentioned) does not pre-exist. This does not 
> stop the make. It simply indicates that a new dependency file must be 
> created. More specifically, GNU make will try to make included makefiles 
> if it can't find them; at that point it generates the message.
>
> If you see problems, please let me know.
>
> Find below the comment from the subversion check-in.
>
>   -- Mark
> *
> Rev:* 5868
> *Last modification:* Rev 5868 - marki - 2009-12-18 13:44:56 GMT
> *Log message:*
> This is a modification of the depends scheme which is triggered
> exclusively by the include of the dependency file(s). Fixes problem
> where dependency files was not remade after source file
> modification. Also allows dependency file generation when dependency
> directory exists, but dependency file does not.
>
> Merge branches/src/BMS-depends-by-include onto trunk.
> Command was:
> svn merge $HDSVN/branches/src/BMS-depends-by-include at 5856 
> <mailto:BMS-depends-by-include at 5856> 
> $HDSVN/branches/src/BMS-depends-by-include
> from directory with current working version.
>
> M Makefile.lib
> M Makefile.bin
> M Makefile.common
> M Makefile.shlib
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>   

-- 

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 David Lawrence Ph.D.
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