m4 runs crazy with 2.50

[skyper]

Hi

i updated to autoconf-2.50 and tried the following test
configure.in file:

# cat >configure.in<<EOF
> AC_INIT(test.c)
> AC_PROG_CC
> AC_OUTPUT(Makefile)
> EOF

# autoconf
configure.in:2: /usr/bin/m4: Bad expression in eval (bad input): 14 + len(C) + 1
configure.in:2: /usr/bin/m4: Bad expression in eval:  > 79
configure.in:2: /usr/bin/m4: Bad expression in eval (bad input):  + len(compiler
) + 1
configure.in:2: /usr/bin/m4: Bad expression in eval:  > 79
configure.in:2: /usr/bin/m4: Bad expression in eval (bad input):  + len(command
....200 more lines...


works fine with 2.13.
I used the tar.gz from ftp.gnu.org/gnu/autoconf.

Linux system, m4 tool from ...err...let me check:
-rwxr-xr-x   1 root     root        53256 Mar  4  1999 /usr/bin/m4

whats wrong ? new syntax ? any magical installation procedure ?

skyper
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