Re: Filenames containing blanks

[Ralf Corsepius]

On Wed, 2003-07-23 at 09:39, Guido Draheim wrote:
> Ralf Corsepius wrote:
> > Hi,
> > 
> > Simple question: Does automake support filenames containing blanks?
> > 
> > I fear, the answer is no:
> > 
> > # cat Makefile.am:
> > data_DATA = foo\ 1
> > 
> > # make DESTDIR=/tmp install
> > ..
> > /bin/sh ./mkinstalldirs /tmp/usr/local/share
> > mkdir -p -- /tmp/usr/local/share
> >  /usr/bin/install -c -m 644 ./foo\ /tmp/usr/local/share/foo\
> > /usr/bin/install: cannot stat `./foo\\': No such file or directory
> >  /usr/bin/install -c -m 644 ./1 /tmp/usr/local/share/1
> > /usr/bin/install: cannot stat `./1': No such file or directory
> > make[1]: *** [install-dist_dataDATA] Error 1
> > ..
> > 
> > Either I must be missing something (May-be I am quoting the blank
> > incorrectly?) or something is broken ...
> > 
> 
> # this is what we might expect...
> $ for i in hello\ 1 2 ; do echo $i ; done
> hello 1
> 2

> the assignment to a variable before for-in might have
> been introduced to avoid problems with an empty list
> which results in a syntax error on some platforms
> (try `for i in; do`) but I've seen other solutions that
> work just as well, like
> for i in $(libs) : ; test "$$i" != ":" || continue;...

Or may-be ..

test -n '$(libs)' && for i in '$(libs)'; do ...

or
if test -n '$(libs)'; then for ...
else true; fi

I might be wrong, but IIRC automake once had used something similar to
this.

> Ooops, I just had a look into am/data.am, and there is
> the very comment which I've just guessed above:
> ## Funny invocation because Makefile variable can be empty, leading to
> ## a syntax error in sh.
>          @list='$(%DIR%_%PRIMARY%)'; for p in $$list; do \

Ralf