[bug #59490] target may not be remade if prerequisite has no recipe

URL: Summary: target may not be remade if prerequisite has no recipe Project: make Submitted by: minshall Submitted on: Fri 20 Nov 2020 06:52:47 AM UTC Severity: 3 - Normal

[bug #59490] target may not be remade if prerequisite has no recipe

Follow-up Comment #1, bug #59490 (project make): though maybe it's not so simple? e.g., if b is remade, but c doesn't change, then probably d shouldn't change. i guess my naive hope/expectation is that b will be remade, then c's date/time will be compared with that of d to decided if d should be

[bug #59490] target may not be remade if prerequisite has no recipe

Follow-up Comment #5, bug #59490 (project make): thanks, both. i apologize for my posted question being incomplete! i'm very sympathetic to this: > However, your makefile is lying to make; it says that the > recipe for b1 builds just b1, but in fact it also builds c1 > "behind make's back". (as,

[bug #62228] prerequisite based on input file created during processing not created, but no error

URL: Summary: prerequisite based on input file created during processing not created, but no error Project: make Submitted by: minshall Submitted on: Tue 29 Mar 2022 04:38:56 AM UTC S

Re: [bug #62228] prerequisite based on input file created during processing not created, but no error

Eddy, thanks very much for the reply. and, for the hints (on better use of make functions). >> something: >> @touch ${NEWIN} > It is generally good to let make know what files a rule creates, rather > than creating files as a side-effect of making a phony target. i guess this is the key.

Re: [bug #62228] prerequisite based on input file created during processing not created, but no error

Eddy, thanks again. yes, one should re-read manuals. and, remember what one reads! > I confess I don't see how a sub-make would really help there. I > generally do my git changes separately from invoking make - and, even > then, incremental builds sometimes require (at least) a purge of > gene

[bug #62228] prerequisite based on input file created during processing not created, but no error

Follow-up Comment #2, bug #62228 (project make): thanks! ___ Reply to this item at: ___ Message sent via Savannah https://savannah.gnu.org/

[bug #64886] order-only prerequisite on a .PHONY line makes prerequisite "unmakeable"

ed Release: None Triage Status: None ___ Follow-up Comments: --- Date: Sun 12 Nov 2023 05:13:16 PM UTC By: Greg Minshall a buggy makefile can lead to odd behavior (surprise, surprise).

[bug #64886] order-only prerequisite on a .PHONY line makes prerequisite "unmakeable"

Follow-up Comment #3, bug #64886 (project make): hi. thanks for the responses. no, i'm not claiming that the behavior is different with or without the "|" (i.e., order-only or not). i guess only issue might be, "should .PHONY: give an error for order-only pre-requisites?". i can't think of a r