URL:
<http://savannah.gnu.org/bugs/?51269>
Summary: Reusing data from targets for prerequisites
Project: make
Submitted by: elfring
Submitted on: Mon 19 Jun 2017 07:34:22 PM CEST
Severity: 3 - Normal
Item Group: Enhancement
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 4.2.1
Operating System: Any
Fixed Release: None
Triage Status: None
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Details:
The make software supports pattern rules
<https://www.gnu.org/software/make/manual/html_node/Pattern-Match.html> for a
while. The percent character must be specified for prerequisites and targets
there which is mapped to a stem then.
Multiple targets
<https://www.gnu.org/software/make/manual/html_node/Multiple-Targets.html> can
also be used for a specific make rule. Automatic variables
<https://www.gnu.org/software/make/manual/html_node/Automatic-Variables.html>
provide corresponding data.
The documentation contains the following information:
“…
It’s very important that you recognize the limited scope in which automatic
variable values are available: they only have values within the recipe.
…”
How are the chances to adjust this software restriction?
I would appreciate if parts from target names can also be occasionally reused
for prerequisite specifications.
Would it make sense to allow that another special syntax will denote
additional placeholders (similar to the handling of the percent character)?
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