[lcd4linux] Re: need help with autmake, libtool and

[Michael R. <re...@eu...>]

Hi Ronald,

I'm CCing this to the lcd4linux mailing list, to Martin Hejl (he has 
encountered some problems while cross-compiling for uClibc) and to 
Patrick Schemitz (he and me tried to build a shared library)


>>I'm resending this mail because I didn't get any any response. i hope 
>>you didn't loose interest... anyway, a response would be helpful! Thanks 
>>in advance!
> 
> Either I didn't get it, or it got drowned in my spam filter..

Oh... or probably mine... you never can tell with spam filters :-)

>>>What exactly is the problem? Perhaps I can help..
>>
>>lcd4linux is a quite small and straightforward project, its main purpose
>>is to collect some data and display it on an LCD. It's just a simple
>>(single) application, no libraries are built.
>>
>>Now a guy wants to extract the hardware- and display-specific stuff into
>>a (shared) library, and create python bindings for it.
>>
>>lcd4linux uses autoconf and automake, which worked fine without
>>libraries. Now I tried to integrate a library target into automake. The
>>first try was a static library, which was quite easy, but for python
>>bindings you need a shared library.
>>
>>I tried to figure out how shared library targets are handled by
>>automake, and found this libtool stuff. My first try succeded, but other
>>people were having massive problems from this point on (I had to remove
>>the target again).
>>
>>one of the problems have been:
>>
>>/bin/sh ./libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I.
>>-I/usr/X11R6/include -D_GNU_SOURCE -Wall -g -O2 -c display.c
>>./libtool: line 1: s%^.*/%%: No such file or directory
>>./libtool: line 1: -e: command not found

Martin, this was the error you encountered, right?

>>other people had problems with cross-compiling for uClibc...
>>
>>Maybe I did the whole autoconf/automake stuff wrong (I've no experience
>>with it).
> 
> Possibly, but I'd have to see what you did with your Makefile.am files, your
> configure.{ac|in} file and what the errors were.

As you wrote later, the files look ok to you, you did already get the 
package or the CVS version?

>>If I want to provide a source package, has libtool to be installed at
>>the client? autoconf/automake is not necessary, if you provide the final
>>'configure' script...
> 
> No: libtoolize generates a libtool script for your package, which you should
> send along. If you make your package using `make dist', it will be packaged
> for you.

Yes, that's what I would expect.

> Your Makefile.am file looks OK (if you re-enable Libtool).
> Your configure.in file needs only one of AC_PROG_LIBTOOL and AM_PROG_LIBTOOL -
> i.e. the AC_* version.

It always worked for me. But I have all the automake/autoconf/libtool 
toolchain installed.

> What versions of the autotools were you using?

merlin:~ $ autoconf --version
autoconf (GNU Autoconf) 2.57

merlin:~ $ automake --version
automake (GNU automake) 1.4-p6

merlin:~ $ libtool --version
ltmain.sh (GNU libtool) 1.5.0a (1.1220.2.25 2003/08/01 19:08:35) Debian: 
49 $

merlin:~ $ libtoolize --version
libtoolize (GNU libtool) 1.5.0a


> What were the problems you 
> encountered?

Martin, Patrick, could you please report your versions, too? And could 
you please try to re-enable the currently commented lines in Makefile.am 
and configure.in:

Makefile.am:
# deactivateing shared lib target for the moment until
# libtool works cleanly...
#lib_LTLIBRARIES = liblcd4linux.la
[...]
# deactivated
# liblcd4linux_la_LDFLAGS = -version-info 9:11:9

# liblcd4linux_la_SOURCES = \
[...]

configure.in:
# Using `AC_PROG_RANLIB' is rendered
# obsolete by `AC_PROG_LIBTOOL' :-(
AC_PROG_RANLIB
# Deactivating libtool for the moment until
# we find a way this beast works cleanly...
#AC_PROG_LIBTOOL
#AM_PROG_LIBTOOL

and the report any problems?

Lets discuss this stuff on the mailing list!

Thanks in advance to all of you! I really want to get this stuff usable. 
Another guy asked for perl bindings for lcd4linux today...

bye, Michael

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Michael Reinelt                                   Fax: +43 316  692343
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