+## we found all the libs and headers that we need for the client applications
+libs_client="$LIBS"
+
+## search for udev, lockdev and the RPi API, only required by libCEC
+use_udev="no"
+use_adapter_detection="yes"
+use_lockdev="no"
+SUPPRESS_MANGLING_WARNINGS=" -Wno-psabi"
+case "${host}" in
+ *-*-linux*)
+ ## search for udev if pkg-config was found
+ if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
+ PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
+ fi
+
+ ## we need dirent.h on linux too
+ if test "$use_udev" = "yes"; then
+ AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
+ fi
+
+ if test "$use_udev" != "yes"; then
+ use_adapter_detection="no"
+ fi
+
+ ## search for lockdev
+ use_lockdev="yes"
+ AC_CHECK_HEADER(lockdev.h,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
+ AC_CHECK_LIB(lockdev,dev_unlock,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
+
+ AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
+ AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
+
+ ## search for the RPi API. we need to check a couple of things to see if
+ ## it's recent enough and contains the calls needed for libCEC to operate
+ ## correctly.
+ if test "x$use_rpi" != "xno"; then
+ CPPFLAGS="$CPPFLAGS $RPI_CFLAGS"
+ libs_pre_rpi="$LIBS"
+ LIBS="$LIBS $RPI_LIBS -lvcos -lvchiq_arm"
+
+ check_rpi_cec_service="yes"
+
+ ## check for headers we need
+ AC_CHECK_HEADER(interface/vmcs_host/vc_cec.h,,check_rpi_cec_service="no")
+ AC_CHECK_HEADER(interface/vmcs_host/vc_cecservice.h,,check_rpi_cec_service="no")
+ AC_CHECK_HEADER(interface/vchiq_arm/vchiq_if.h,,check_rpi_cec_service="no")
+ AC_CHECK_HEADER(bcm_host.h,,check_rpi_cec_service="no")
+
+ ## check if the headers contain support for libCEC.
+ ## VC_CECSERVICE_VER needs to be defined
+ AC_MSG_CHECKING([interface/vmcs_host/vc_cec.h compatibility])
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <interface/vmcs_host/vc_cecservice.h>
+#include <interface/vchiq_arm/vchiq_if.h>
+#if !defined(VC_CECSERVICE_VER)
+#error RPi headers does not contain libCEC support
+#endif]], [[]])],[AC_MSG_RESULT([yes])],[check_rpi_cec_service="no"; AC_MSG_RESULT([no])])
+
+ ## check if the methods we're using can be found in libbcm_host.so, so we don't use an incompatible version
+ AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
+ libs_tmp="$LIBS"
+ AC_CHECK_LIB(bcm_host,vc_vchi_cec_init,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_get_logical_address,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_get_physical_address,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_param2message,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_poll_address,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_register_callback,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_release_logical_address,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vc_cec_set_passive,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vcos_init,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vchiq_initialise,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,vchi_create_connection,,check_rpi_cec_service="no")
+ AC_CHECK_LIB(bcm_host,bcm_host_init,,check_rpi_cec_service="no")
+ LIBS="$libs_tmp"
+
+ if test "x$check_rpi_cec_service" != "xyes" && test "x$use_rpi" = "xyes"; then
+ AC_MSG_ERROR($msg_rpi_api_missing)
+ elif test "x$check_rpi_cec_service" != "xyes"; then
+ use_rpi="no"
+ LIBS="$libs_pre_rpi"
+ fi
+ fi
+ ## search for X11/xrandr
+ libs_tmp="$LIBS"
+ use_x11_xrandr="yes"
+ AC_CHECK_HEADER(X11/Xlib.h,,[use_x11_xrandr="no"])
+ AC_CHECK_HEADER(X11/Xatom.h,,[use_x11_xrandr="no"])
+ AC_CHECK_HEADER(X11/extensions/Xrandr.h,,[use_x11_xrandr="no"])
+ AC_CHECK_LIB(X11,XOpenDisplay,,[use_x11_xrandr="no"])
+ AC_CHECK_LIB(Xrandr,XRRGetScreenResources,,[use_x11_xrandr="no"])
+ if test "x$use_x11_xrandr" = "xyes"; then
+ AC_DEFINE([HAVE_RANDR],[1],[Define to 1 to include support for the X11 randr extension])
+ AM_CONDITIONAL(USE_X11_RANDR, true)
+ else
+ AM_CONDITIONAL(USE_X11_RANDR, false)
+ LIBS="$libs_tmp"
+ fi
+ ;;
+ *-apple-darwin*)
+ AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
+ AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
+ AC_DEFINE([TARGET_DARWIN], [1], [Darwin target])
+ AM_CONDITIONAL(USE_X11_RANDR, false)
+ SUPPRESS_MANGLING_WARNINGS=""
+ ;;
+esac
+
+## define the build info
+LIB_INFO="host: ${host}, features:"
+
+features="Configured features:\n Pulse-Eight CEC Adapter :\t\tyes"
+LIB_INFO="$LIB_INFO 'P8 USB'"
+AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
+AM_CONDITIONAL(USE_P8_USB, true)
+
+if test "x$use_lockdev" = "xyes"; then
+ AC_DEFINE([HAVE_LOCKDEV],[1],[Define to 1 if liblockdev is installed])
+fi
+
+## mark adapter detection as available if the required deps were found
+if test "x$use_adapter_detection" = "xyes"; then
+ ## mark udev as available if it was found
+ if test "x$use_udev" = "xyes"; then
+ INCLUDES="$INCLUDES $UDEV_CFLAGS"
+ LIBS="$LIBS $UDEV_LIBS"
+ AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
+ REQUIRES="$REQUIRES udev"
+ fi
+
+ AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
+ AM_CONDITIONAL(USE_P8_USB_DETECT, true)
+
+ features="$features\n Pulse-Eight CEC Adapter detection :\tyes"
+ LIB_INFO="$LIB_INFO 'P8 USB detect'"
+else
+ AM_CONDITIONAL(USE_P8_USB_DETECT, false)
+ features="$features\n Pulse-Eight CEC Adapter detection :\tno"
+fi
+
+## mark RPi support as available if the required headers and libs were found
+if test "x$use_rpi" != "xno"; then
+ AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
+ AM_CONDITIONAL(USE_RPI_API, true)
+ features="$features\n Raspberry Pi support :\t\tyes"
+ LIB_INFO="$LIB_INFO 'RPi'"
+else
+ AM_CONDITIONAL(USE_RPI_API, false)
+ features="$features\n Raspberry Pi support :\t\tno"
+fi
+
+## mark TDA995x support as available
+if test "x$use_tda995x" != "xno"; then
+ AC_DEFINE([HAVE_TDA995X_API],[1],[Define to 1 to include CuBox support])
+ AM_CONDITIONAL(USE_TDA995X_API, true)
+ features="$features\n TDA995x support :\t\t\tyes"
+ LIB_INFO="$LIB_INFO 'TDA995x'"
+ CPPFLAGS="$CPPFLAGS $TDA995X_CFLAGS"
+else
+ AM_CONDITIONAL(USE_TDA995X_API, false)
+ features="$features\n TDA995x support :\t\t\tno"
+fi
+
+## mark Exynos support as available
+if test "x$use_exynos" != "xno"; then
+ AC_DEFINE([HAVE_EXYNOS_API],[1],[Define to 1 to include Exynos support])
+ AM_CONDITIONAL(USE_EXYNOS_API, true)
+ features="$features\n Exynos support :\t\t\tyes"
+ LIB_INFO="$LIB_INFO 'EXYNOS'"
+ CPPFLAGS="$CPPFLAGS $EXYNOS_CFLAGS"
+else
+ AM_CONDITIONAL(USE_EXYNOS_API, false)
+ features="$features\n EXYNOS support :\t\t\tno"
+fi
+
+
+## check if our build system is complete
+AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
+AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
+AC_CHECK_FUNCS([close fcntl select write read shutdown send recv memset sprintf getaddrinfo getsockopt setsockopt connect poll sched_yield open strerror tcsetattr tcgetattr cfsetispeed cfsetospeed bind freeaddrinfo listen accept socket])
+
+## add the build date to LIB_INFO
+AC_CHECK_PROG(HAVE_GIT, git, yes)
+if test "x$HAVE_GIT" = "xyes"; then
+ revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
+fi
+if test "x$revision" != "x"; then
+ LIB_INFO="$LIB_INFO, git revision: ${revision}"
+fi
+
+AC_CHECK_PROG(HAVE_DATE, date, yes)
+if test "x$HAVE_DATE" = "xyes"; then
+ LIB_INFO="$LIB_INFO, compiled on: `date -u`"
+else
+ LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
+fi
+
+## add the name of the user who built libCEC to LIB_INFO
+AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
+if test "x$HAVE_WHOAMI" = "xyes" ; then
+ LIB_INFO="$LIB_INFO by `whoami`"
+else
+ LIB_INFO="$LIB_INFO by (unknown user)"
+fi
+
+## add the hostname of the build host of libCEC to LIB_INFO
+AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
+if test "x$HAVE_HOSTNAME" = "xyes"; then
+ LIB_INFO="$LIB_INFO@`hostname -f`"
+fi
+
+## add the system info of the build host of libCEC to LIB_INFO
+AC_CHECK_PROG(HAVE_UNAME, uname, yes)
+if test "x$HAVE_UNAME" = "xyes"; then
+ LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"