URL:
<https://savannah.gnu.org/bugs/?63429>
Summary: Escape sequence in logs are lost with -O option
Project: make
Submitter: masahiroy
Submitted: Sun 27 Nov 2022 02:32:02 AM UTC
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: None
Operating System: None
Fixed Release: None
Triage Status: None
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Follow-up Comments:
-------------------------------------------------------
Date: Sun 27 Nov 2022 02:32:02 AM UTC By: Masahiro Yamada <masahiroy>
While the -O option buffering the logs, the escape sequences for colors are
lost.
[Sample Makefile]
all: test.txt
grep --color=auto foo $<
test.txt:
@echo foobar > $@
[Test without -O]
$ make
grep --color=auto foo test.txt
foobar
In my environment, the part "foo" is highlighted in color.
[Test with -O]
$ make -j2 -O
grep --color=auto foo test.txt
foobar
The part "foo" is not highlighted any more.
Recent compilers show warnings/errors in color, but they are lost with the -O
option.
Can we do this better?
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