Error running autogen.sh

[Emmanuel <e allaud wanadoo fr>]

	Hi all,
here is the error I get trying to autogen.sh the balsa CVS (it used to 
work before, but in fact I haven't autogen.sh since a while, I just 
decided to do it now to see if something had changed, and it looks like it 
had ;-) :

Running autoconf ...
NONE:0: /usr/bin/m4: ERROR: EOF in string
**Error**: autoconf failed.

I have traced the problem to m4 running on configure.in and failing at 
line 650, here is the end of the "m4 configure.in --debug=V" output

AC_MSG_CHECKING([whether to install into Gnomes prefix])
if test x"$use_system_install" = xyes ; then
         AC_MSG_RESULT([yes])
         gnomedatadir=m4 debug: configure.in: 650: input reverted to NONE, 
line 0
NONE:0: m4: ERROR: EOF in string

Can seomeone help me, please. I'm lost now.
Bye
Manu