Stefan Monnier writes: > My `make` complains that > > make: execvp: /bin/sh: Argument list too long > make: execvp: /bin/sh: Argument list too long > > but I'm having trouble figuring out which command's argument list is > too long. I tried "make -d" but it doesn't really help: > > % LANG=C make -d
<snip> > As you can see, the error seems to be signaled "early". > How could I track it down? > If 'make -n' doesn't point out the long command line, then your diagnosis that it's the use of $(shell) is probably the culprit. > Looking at the make file I see one $(shell ..) invocation which is the > most likely culprit: > > define SET-diff > $(shell echo "$(1)" "$(2)" "$(2)" | tr ' ' '\n' | sort | uniq -u) > endef Could you use a standard Make rule to generate an output file, and then use redirection to provide the output file to any programs. Within Gnu Make, it's pretty easy to $(sort) sort a list, but de-duplicating it is a bit tougher. It could be done fairly easily with the associative arrays or sets in the Gnu Make Standard Library: https://gmsl.sourceforge.io/ _______________________________________________ Help-make mailing list Help-make@gnu.org https://lists.gnu.org/mailman/listinfo/help-make
