***** autoconf *****
***** PWD: /var/tmp/portage/media-sound/bluez-alsa-3.0.0/work/bluez-alsa-3.0.0
***** autoconf --force

configure.ac:16: warning: The macro `AC_PROG_CC_C99' is obsolete.
configure.ac:16: You should run autoupdate.
./lib/autoconf/c.m4:1476: AC_PROG_CC_C99 is expanded from...
configure.ac:16: the top level
configure.ac:6: error: possibly undefined macro: m4_normalize
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.