pi@raspberrypi ~/builds $ git clone https://github.com/Pulse-Eight/libcec.git
Cloning into 'libcec'...
remote: Counting objects: 11768, done.
remote: Compressing objects: 100% (5390/5390), done.
remote: Total 11768 (delta 6783), reused 11292 (delta 6332)
Receiving objects: 100% (11768/11768), 8.13 MiB | 1.17 MiB/s, done.
Resolving deltas: 100% (6783/6783), done.
pi@raspberrypi ~/builds $ cd libcec/
pi@raspberrypi ~/builds/libcec $ ./bootstrap
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force
autoreconf: configure.ac: tracing
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in `.'.
libtoolize: copying file `./ltmain.sh'
libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to configure.ac and
libtoolize: rerunning libtoolize, to keep the correct libtool macros in-tree.
libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.ac:11: installing `./config.guess'
configure.ac:11: installing `./config.sub'
configure.ac:6: installing `./install-sh'
configure.ac:6: installing `./missing'
src/lib/Makefile.am: installing `./depcomp'
autoreconf: Leaving directory `.'
pi@raspberrypi ~/builds/libcec $ ./configure
...
configure: will check for RPi support
...
checking for interface/vchiq_arm/vchiq_if.h... no
checking bcm_host.h usability... no
checking bcm_host.h presence... no
checking for bcm_host.h... no
checking interface/vmcs_host/vc_cec.h compatibility... no
checking for vchi_initialise in -lbcm_host... no
checking for vc_vchi_cec_init in -lbcm_host... no
checking for vc_cec_get_logical_address in -lbcm_host... no
checking for vc_cec_get_physical_address in -lbcm_host... no
checking for vc_cec_param2message in -lbcm_host... no
checking for vc_cec_poll_address in -lbcm_host... no
checking for vc_cec_register_callback in -lbcm_host... no
checking for vc_cec_release_logical_address in -lbcm_host... no
checking for vc_cec_set_passive in -lbcm_host... no
checking for vcos_init in -lbcm_host... no
checking for vchiq_initialise in -lbcm_host... no
checking for vchi_initialise in -lbcm_host... (cached) no
checking for vchi_create_connection in -lbcm_host... no
checking for bcm_host_init in -lbcm_host... no
...
  Raspberry Pi support :                no