Bruce Momjian wrote:
> I wrote:
>
> ifeq (,$(wildcard bookindex.valid))
> echo "Run 'gmake' again to generate output with a proper index"
> endif
>
> but that warns on the first _two_ runs, meaning it expanded at the
> time the rule started, not at the time it hit that line.
This expands at the time the makefile is read. You may get it to work
with
target:
$(if $(wildcard blah), this, that)
The following may be helpful:
http://www.gnu.org/software/make/manual/html_node/Reading-Makefiles.html#Reading-Makefiles
--
Peter Eisentraut
http://developer.postgresql.org/~petere/
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