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[PATCH] Trace variable assignment

From: Luke Diamand
Subject: [PATCH] Trace variable assignment
Date: Sat, 20 Jun 2015 13:58:28 +0100


Recently I was trying to figure out where a particular variable was being set 
in a
very complex set of makefiles.

I ended up just getting make to trace assignments to the variable I was 
in, which turned out to be a really effective way to find out what was going on.

I've turned this into a patch. With this change, you can ask make to report on
changes to FOO like this:

   make --trace-variable=FOO
I hope I'm submitting it in the correct way.


Luke Diamand (1):
  Add --trace-variable=VAR as makefile debugging aid

 doc/make.texi | 8 +++++++-
 main.c        | 6 ++++++
 make.1        | 3 +++
 variable.c    | 5 +++++
 variable.h    | 1 +
 5 files changed, 22 insertions(+), 1 deletion(-)


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