Re: Variable substitution in source files

[Akim Demaille]

 > I have a number of files that need variable substitution, so I do this in 
 > a Makefile.am:

 > foo: foo.in
 >         @rm -f foo
 >         @sed \
 >                 -e 's,@@perlmoduledir@@,$(libexecdir)/perl,' \
 >                 -e 's,@@swishbindir@@,$(bindir),' \
 >                 -e 's,@@perlbinary@@,$(PERL),' \
 >                         $(srcdir)/foo.in > foo

 > But I'm doing that in more and more Makefile.am files in my project 
 > tree -- and sometimes I need to do it to a file where there isn't a 
 > Makefile in that directory.

 > I'm feeling like I'm using the same bit of sed code in too many places.
 > Is there a better way to manage this?  I'd like to have the sed code 
 > (above) defined in one place and then maybe list all the files that need 
 > to be operated on.

Use "include"?