Suppose I’ve got a simple #Makefile w/ a few URLs that I’d like to process as dynamic targets.
For example here is a not working snippet:
.DEFAULT_GOAL := all
#####
URLS = https://foo.example.com
URLS += https://bar.example.com
URLS += https://www.example.org
#####
% :
@echo the url is $(*)
#####
.PHONY : all
all : $(URLS)
It fails w/
*** target pattern contains no ‘%’
I believe that’s b/c of the character : being part of URLS which confuses Make after expansion (order o
As a workaround, I’ve removed https:// from all URLs. For example this works:
URLS = foo.example.com
URLS += bar.example.com
I know Make generally doesn’t play well w/ targets w/ space or colon in the name but I wonder if the above is the best I can do. What do you think?
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You can escape the
:URLS = https\://foo.example.com URLS += https\://bar.example.com URLS += https\://www.example.orgI didn’t try yet: https://www.cmcrossroads.com/article/gnu-make-escaping-walk-wild-side
colon := : $(colon) := : url := https$(:)//somethingUnfortunately didn’t work. I got the same
*** target pattern contains no ‘%’error.
