On Thu, 4 Mar 2004, Maxwell Sayles wrote:
> I'm trying to build mjpegtools1.6.2. I managed to build jmpeg-mmx-0.1.5 ...
> make[2]: Entering directory `/home/max/tmp/mjpegtools-1.6.2/lavtools'
> /bin/sh ../libtool --mode=link gcc -mcpu=i686 -march=i686 -g -O2 -Wall
> -Wunused -o lavplay lavplay.o ../utils/libmjpegutils.a liblavplay.la
> liblavjpeg.la liblavfile.la -lpthread -L/usr/local/lib
> -Wl,-rpath,/usr/local/lib -lSDL -lpthread -L/usr/X11R6/lib -lX11
> libtool: link: cannot find the library `'
> make[2]: *** [lavplay] Error 1
> make[2]: Leaving directory `/home/max/tmp/mjpegtools-1.6.2/lavtools'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/home/max/tmp/mjpegtools-1.6.2'
> make: *** [all] Error 2
>
> if i remove the -lSDL parameter from the line, i don't get the line
> libtool: link: cannot find the library `'
That says something is awry with the SDL installation.
> I have installed SDL-1.2.6 and that went without any errors.
Ah, but what got installed might have a problem.
What I suspect (and this is just a quick theory from glancing at
the libtool script) is that libSDL.la file that got installed has
a "'" problem.
> I'm running slackware 9.0 with gcc3.2.2 and bash 2.05b.0(1) with /bin/sh
> symlinked to /bin/bash.
What version of libtool is installed on the system? libtool --version
will provide that bit of information. If it's not 1.5 then an
upgrade might be a good thing to try.
Find the libSDL.la file (if you installed into /usr/local/lib
then libSDL.la will be in that directory). Look at the line that
starts "dependency_libs=". That is where I think the problem is.
When you run make in the lavtools directory the 'libtool' script sees
"-lSDL" and then goes and parses libSDL.la to pick up the dependent
libraries. If there is a syntax error (such as a "-l" without a
library argument, an extra ' character, etc) then that will manifest
itself as the cryptic error you mentioned earlier.
Cheers,
Steven Schultz
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