URL:
<https://savannah.gnu.org/bugs/?60730>
Summary: Emit fewer enter/leave messages with -O
Project: make
Submitted by: tromey
Submitted on: Fri 04 Jun 2021 04:33:01 PM MDT
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: POSIX-Based
Fixed Release: None
Triage Status: None
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Details:
I recently started using 'make -O' to get output that
is more easily read, and also more easily digested by Emacs.
I am typically building gdb, and this results in output like:
make[2]: Entering directory '/home/tromey/gdb/build/gdb'
CXX dwarf2/expr.o
make[2]: Leaving directory '/home/tromey/gdb/build/gdb'
make[2]: Entering directory '/home/tromey/gdb/build/gdb'
CXX dwarf2/leb.o
make[2]: Leaving directory '/home/tromey/gdb/build/gdb'
make[2]: Entering directory '/home/tromey/gdb/build/gdb'
CXX dwarf2/index-cache.o
make[2]: Leaving directory '/home/tromey/gdb/build/gdb'
make[2]: Entering directory '/home/tromey/gdb/build/gdb'
CXX dwarf2/line-header.o
make[2]: Leaving directory '/home/tromey/gdb/build/gdb'
That is, it prints many redundant enter/leave notices.
It seems like these could be batched -- delay printing
the 'leave' notice until some further event, and then
only print it if the coming 'enter' notice will mention
some other directory.
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