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[bug #64571] Add option to print targets
From: |
Tim |
Subject: |
[bug #64571] Add option to print targets |
Date: |
Sat, 19 Aug 2023 13:49:21 -0400 (EDT) |
URL:
<https://savannah.gnu.org/bugs/?64571>
Summary: Add option to print targets
Group: make
Submitter: timmmm
Submitted: Sat 19 Aug 2023 05:49:19 PM UTC
Severity: 3 - Normal
Item Group: Enhancement
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 4.4.1
Operating System: None
Fixed Release: None
Triage Status: None
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Follow-up Comments:
-------------------------------------------------------
Date: Sat 19 Aug 2023 05:49:19 PM UTC By: Tim <timmmm>
A *lot* of people would like to be able to print all the targets contained in
a Makefile. Here's the most popular StackOverflow question about it:
https://stackoverflow.com/questions/4219255/how-do-you-get-the-list-of-targets-in-a-makefile
It has 316 upvotes and 30 bad answers at the moment. The only good option is
if you are using CMake, then it provides `make help` which lists the main
targets. But this doesn't help in the general case.
The rest of the answers are some variant of "use a regex" which is a terrible
idea (now you have two problems) and doesn't work for targets with computed
names.
I figured that rather than writing terrible regexes 30 times it can't be that
hard to actually add this feature to Make.
I have attached a patch that seems to do the job. I'm not sure I put the call
to `print_all_targets()` at the right point in `main()` - to be honest I
couldn't really follow the code. Maybe you can tell me if it's correct and
merge it if so?
Thanks!
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Sat 19 Aug 2023 05:49:19 PM UTC Name:
Add-flag-to-print-all-targets.patch Size: 3KiB By: timmmm
<http://savannah.gnu.org/bugs/download.php?file_id=55063>
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