M4 Problem

[Emil Block]

Using Autoconf 2.57 and M4-1.4 and the regular expression is correct
(same code used successfully
with earlier versions of autoconf).

/sodsim/local/ddd-3.3/ddd#>autoconf
configure.in:194: warning: AC_PROG_LEX invoked multiple times
configure.in:246: /usr/local/bin/m4: Bad regular expression3
`[[[\([[[[]]]]\)]]]': Unmatched ) or \)
autom4te: /usr/local/bin/m4 failed with exit status: 1
/sodsim/local/ddd-3.3/ddd#>autoconf -d
configure.in:194: warning: AC_PROG_LEX invoked multiple times
configure.in:246: /usr/local/bin/m4: Bad regular expression
`[[[\([[[[]]]]\)]]]': Unmatched ) or \)
autom4te: /usr/local/bin/m4 failed with exit status: 1
 Autom4te::General::error('/usr/local/bin/m4 failed with exit status:
1') called at /usr/local/share/autoconf/Autom4te/General.pm line 498
 Autom4te::General::xsystem('/usr/local/bin/m4 --nesting-limit=1024
--include=/usr/local/s...') called at /usr/local/bin/autom4te line 662
 
Autom4te::handle_m4('Request=ARRAY(0x3ca6d0)','m4_pattern_forbid','AC_TYPE_OFF_T','AC_C_VOLATILE','AC_FUNC_CLOSEDIR_VOID','AC_REPLACE_FNMATCH','AC_PROG_LIBTOOL','AC_FUNC_STAT','AC_HEADER_TIME',...)
called at /usr/local/bin/autom4te line 1188

Emil Block