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Re: Portable prefix pattern rules
From: |
Brian |
Subject: |
Re: Portable prefix pattern rules |
Date: |
Tue, 6 Sep 2005 10:34:40 -0600 |
Can't wait to try this out. Thanks Stepan!
Brina
On 9/6/05, Stepan Kasal <address@hidden> wrote:
>
> Hello,
>
> On Mon, Sep 05, 2005 at 02:29:26PM -0600, Brian wrote:
> > The following doesn't seem to work:
> > SUFFIXES = .moc.cpp
> > .moc.cpp:.h
> > $(MOC) -o $@ $<
>
> it's an explicit rule, which creates file ".moc.cpp" from file ".h".
>
> You have to use this:
>
> SUFFIXES = .moc.cpp
>
> .h.moc.cpp:
> $(MOC) -o $@ $<
>
> On Mon, Sep 05, 2005 at 03:02:28PM -0600, Tom Tromey wrote:
> > I have never tried it but it is somewhat hard to imagine some versions
> > of make accepting a suffix with two '.'s in it.
>
> It's not hard to imagine. The .SUFFIXES special target, which Automake
> generates, is standardized by POSIX. I can imagine a sane implmentation
> of .SUFFIXES counts with this possibility.
>
> On Mon, Sep 05, 2005 at 02:29:26PM -0600, Brian wrote:
> > The only other alternative I see is to enumerate a rule containing the
> > actual file names for every single .h to .moc.cpp conversion, of which
> there
> > are hundreds.
>
> If you decided to go this way, you could autogenerate the list of the
> dependencies and include it into Makefile.am <http://Makefile.am>. The
> include directive is
> handled by Automake, so the result is portable.
>
> Have a nice day,
> Stepan Kasal
>