trouble with autogen.sh from cvs

[Achim Gädke]

Martin Jansche wrote:

>In my experience it's not just libtool.  For me it works with libtool
>1.4.3, automake 1.4 and autoconf 2.13, but breaks with automake 1.6 or
>1.7, or with autoconf 2.50.
>  
>

I've adapted the configure.in to the new version. configure.in is now 
called configure.ac, so you should rename configure.in.

Trouble was caused by nested macro calls:

AC_TRY_COMPILE([#define hypot /* */
#include <math.h>],[{}],[],AC_CHECK_FUNCS(hypot))

These have to be quoted

AC_TRY_COMPILE([#define hypot /* */
#include <math.h>],[{}],[],[AC_CHECK_FUNCS(hypot)])

as stated in the autoconf->Programming in M4->M4 Quotation->Quotation 
and Nested Macros
It took me 4 hours to get to that point. :-(

I hope the autoconf,automake versions are reguarded as stable and we can 
move to them on a nice sunny day...
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