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Re: Why is --include-dir option effective only in sub make ?
From: |
Paul Smith |
Subject: |
Re: Why is --include-dir option effective only in sub make ? |
Date: |
Thu, 13 Sep 2018 08:34:52 -0400 |
On Thu, 2018-09-13 at 14:18 +0900, Masahiro Yamada wrote:
> I wonder why --include-dir does not become
> effective in the current Makefile.
In order for this to work, the MAKEFLAGS variable would have to be re-
parsed every time MAKEFLAGS was set in the makefile and that's not how
it works: MAKEFLAGS is re-parsed once after all the makefiles are read.
There are various potential oddities and unexpected outcomes if the
variable is re-parsed every time, just as this unexpected outcome (not
being able to add --include-dir and have it take effect immediately) if
the variable is NOT re-parsed every time.
In this case, could you just write:
include foo/inc.mk
directly?