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make --guaranteed-real-dry-run

From: jidanni
Subject: make --guaranteed-real-dry-run
Date: Fri, 02 Jan 2009 01:11:51 +0800

In the documentation everywhere you mention
       -n, --just-print, --dry-run, --recon
            Print  the  commands  that  would  be executed, but do not execute
You should also say:
            Well, that is not exactly the truth, in some cases
            a even non-malicious programmer can construct a makefile
            that will still execute commands. In fact it is quite
            common and intentional... The same goes for -t... See
            (info "(make)MAKE Variable") (info "(make)Options/Recursion").

At least add one word that one still can get wet.

Also please document how one can achieve a --guaranteed-real-dry-run.

Furthermore, one notes in the make --dry-run output that there is no
way to distinguish the lines that were really run from those that
weren't. Only when one sees e.g., "/bin/sh: curl-config: command not
found" does one notice something sneaky is happening.

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