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bug#46052: Colons fooling GNUmakefile mode
From: |
Eli Zaretskii |
Subject: |
bug#46052: Colons fooling GNUmakefile mode |
Date: |
Sat, 23 Jan 2021 19:23:40 +0200 |
> From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
> Cc: jidanni@jidanni.org, 46052@debbugs.gnu.org
> Date: Sat, 23 Jan 2021 15:58:58 +0100
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > I'm not sure a target line cannot possibly start with a TAB.
>
> I'll admit to not being an expert in makefile syntax; I do find this
> entry in (info "(make) Error Messages") encouraging though:
>
> > 'recipe commences before first target. Stop.'
> > 'missing rule before recipe. Stop.'
> > This means the first thing in the makefile seems to be part of a
> > recipe: it begins with a recipe prefix character and doesn't appear
> > to be a legal 'make' directive (such as a variable assignment).
> > Recipes must always be associated with a target.
>
> While that phrasing doesn't rule out subsequent targets from starting
> with a TAB, empirically that seems to be the case:
I didn't say a _rule_ can start with a TAB, I said a rule's _line_
could start with a TAB. For example (indentation added for
readability):
foo \
bar: baz