Re: dynamically building (temp) include file - how to delete on exit?

[gnu_make0]

On Sun 6/17/12 15:30 CDT address@hidden wrote:
--snip
> This uses mktemp.  The 'cat' w/in the makefile is only there (temporarily)
> to show what the macro defs are.
> 
>   $ cat makefile 
>   TMPF=$(shell tmpf=$$(mktemp /tmp/ddefs.XXXXXXXXX);_29r_dirdefs-make > 
> $$tmpf;echo $$tmpf)

above line should be
   
   TMPF:=$(shell tmpf=$$(mktemp /tmp/ddefs.XXXXXXXXX);_29r_dirdefs-make > 
$$tmpf;echo $$tmpf)

so mktemp runs just once.

>   $(foreach v,$(shell set -- $$(wc -l $(TMPF)); seq $$1),$(eval $(shell sed 
> -ne $(v)p $(TMPF))))
> 
>   $(shell set -x;cat $(TMPF) >&2; :;rm -f $(TMPF))
> 
>   .PHONEY: bar
>   bar:
>           @echo _29C: $(_29C)
>           @echo _29lib: $(_29lib)
>   $ make bar 
>   + cat /tmp/ddefs.ybJa29425
>   _29C = /usr/local/7Rq/commands/cur
>   _29c = /usr/local/7Rq/scommands/cur
>   _29eloc = /etc/local
>   _29lg = /var/local/team/mke/log
>   _29lib = /usr/local/7Rq/lib/cur
>   _29r = /usr/local/7Rq
>   _29rev = cur
>   _29team = /etc/local/team/mke
>   _29pkg = /usr/local/7Rq/package/cur
>   + :
>   + rm -f /tmp/ddefs.PdKt29433
>   _29C: /usr/local/7Rq/commands/cur
>   _29lib: /usr/local/7Rq/lib/cur
>   $ ls /tmp/ddefs.PdKt29433
>   ls: /tmp/ddefs.PdKt29433: No such file or directory
>   $ 
> 
> Above forks a shell and a sed for each line in the macro file,
> so it's inefficient, but I may go ahead and use it.
> 
> --
> Tom