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Re: when gnu-make is missing a dependency
From: |
Paul D. Smith |
Subject: |
Re: when gnu-make is missing a dependency |
Date: |
06 May 2005 20:25:04 -0400 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 |
%% Randy Yates <yates@ieee.org> writes:
>> Possible reasons are (a) that file does exist, maybe on VPATH, or
>> (b) you have a target "lpc.o" in your makefile with no rule or
>> prerequisites (see the section "Rules without Commands or
>> Prerequisites" in the GNU make manual).
ry> Thanks for the timely response, Paul. If (a) were the case, then
ry> why wouldn't I get a "Target is up-to-date" response instead of
ry> "nothing to be done" when I "make lpc.o"?
Yes, so it's probably the second one.
"make -d" should tell you for sure though. And you can use "make -p" to
see the rules database; search it for that target.
--
-------------------------------------------------------------------------------
Paul D. Smith <psmith@gnu.org> Find some GNU make tips at:
http://www.gnu.org http://make.paulandlesley.org
"Please remain calm...I may be mad, but I am a professional." --Mad Scientist