URL:
<http://savannah.gnu.org/bugs/?28983>
Summary: forcing a target matching a pattern rule shadows
the rule's actions
Project: make
Submitted by: ilgiz
Submitted on: Mon 22 Feb 2010 03:35:05 PM EST
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 3.81
Operating System: MS Windows
Fixed Release: None
Triage Status: None
_______________________________________________________
Details:
With the makefile piece below I could get file.o only once. If I remove it
from the file system, the .PHONY rule seems to shadow the pattern rule. I
could not find a stipulation justifying this behavior in the GNU make
documentation. Using a Cygwin build 3.81-2 here.
=====================================================
default: file.o
.PHONY: file.o
file.c:
echo Auto-generating "$@"...
touch "$@"
%.o: %.c
echo Making "$@" from "$^"...
touch "$@"
=====================================================
$ make -f force-build-of-a-target-matching-a-pattern-rule.mak
echo Auto-generating "file.c"...
Auto-generating file.c...
touch "file.c"
echo Making "file.o" from "file.c"...
Making file.o from file.c...
touch "file.o"
$ rm file.o
$ make -f force-build-of-a-target-matching-a-pattern-rule.mak
make: Nothing to be done for `default'.
_______________________________________________________
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