Internal Error

[Akim Demaille]

I'm afraid I don't have much time to spend on tracking this issue
down, but I'm experiencing an error with both CVS Automake and
Automake 1.8 as in Debian:

~/lectures/compilation-lecture % /usr/bin/automake-1.8 --verbose
automake-1.8: reading autoconf --trace=AM_ENABLE_MULTILIB:\$f:\$l::\$n::\${::}% 
--trace=AC_INIT:\$f:\$l::\$n::\${::}% 
--trace=AC_CONFIG_FILES:\$f:\$l::\$n::\${::}% 
--trace=AC_SUBST:\$f:\$l::\$n::\${::}% 
--trace=AC_CANONICAL_HOST:\$f:\$l::\$n::\${::}% 
--trace=AM_GNU_GETTEXT:\$f:\$l::\$n::\${::}% 
--trace=AC_LIBSOURCE:\$f:\$l::\$n::\${::}% 
--trace=AM_INIT_AUTOMAKE:\$f:\$l::\$n::\${::}% 
--trace=AM_AUTOMAKE_VERSION:\$f:\$l::\$n::\${::}% 
--trace=AC_CONFIG_AUX_DIR:\$f:\$l::\$n::\${::}% 
--trace=sinclude:\$f:\$l::\$n::\${::}% 
--trace=AM_PROG_CC_C_O:\$f:\$l::\$n::\${::}% 
--trace=AC_CONFIG_LINKS:\$f:\$l::\$n::\${::}% 
--trace=m4_sinclude:\$f:\$l::\$n::\${::}% 
--trace=AC_CANONICAL_SYSTEM:\$f:\$l::\$n::\${::}% 
--trace=AM_CONDITIONAL:\$f:\$l::\$n::\${::}% 
--trace=AC_CONFIG_HEADERS:\$f:\$l::\$n::\${::}% 
--trace=AM_MAINTAINER_MODE:\$f:\$l::\$n::\${::}% 
--trace=m4_include:\$f:\$l::\$n::\${::}%
Use of uninitialized value in exists at /usr/bin/automake-1.8 line 4459, <GEN0> 
line 1.
Use of uninitialized value in concatenation (.) or string at 
/usr/bin/automake-1.8 line 4459, <GEN0> line 1.
automake-1.8: ####################
automake-1.8: ## Internal Error ##
automake-1.8: ####################
automake-1.8: unrequested trace `'
automake-1.8: Please contact <address@hidden>.
 at /usr/share/automake-1.8/Automake/Channels.pm line 562
 Automake::Channels::msg('automake','','unrequested trace `\'') called at 
/usr/share/automake-1.8/Automake/ChannelDefs.pm line 191
 Automake::ChannelDefs::prog_error('unrequested trace `\'') called at 
/usr/bin/automake-1.8 line 4459
 Automake::scan_autoconf_traces('configure.ac') called at /usr/bin/automake-1.8 
line 4626
 Automake::scan_autoconf_files() called at /usr/bin/automake-1.8 line 7156

What could help to track this down?