[deb_libcec.git] / configure.ac

AC_PREREQ(2.59)
AC_INIT([libcec], [1:9:0], [http://libcec.pulse-eight.com/])
AC_CONFIG_HEADERS([config.h])
AH_TOP([#pragma once])

AM_INIT_AUTOMAKE([foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])

AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)

AC_CANONICAL_HOST

cflags_reset="$CFLAGS"
AC_LANG(C++)
AC_PROG_CXX
AC_PROG_LIBTOOL
AC_PROG_INSTALL
AC_LIBTOOL_DLOPEN
CFLAGS="$cflags_reset"

msg_pkg_config_missing="'pkg-config' is missing - adapter detection will not be available"
msg_pthread_missing="required library 'pthread' is missing"
msg_dl_missing="required library 'dl' is missing"
msg_udev_missing="library 'udev' is missing - adapter detection will not be available"
msg_dirent_missing="dirent.h header is missing - adapter detection will not be available"
msg_lockdev_missing="required library 'liblockdev' is missing"
msg_rpi_api_missing="Raspberry Pi API not found or incompatible with libCEC"
msg_rpi_will_check="will check for RPi support"
msg_rpi_unsupported_target="will not check for RPi support (unsupported cpu: ${host_cpu})"
msg_required_header_missing="required header is missing"

## debugging symbols
AC_ARG_ENABLE([debug],
  [AS_HELP_STRING([--enable-debug],
  [include debug symbols (default is no)])],
  [use_debug=$enableval],
  [use_debug=no])

## optimisation
AC_ARG_ENABLE([optimisation],
  [AS_HELP_STRING([--enable-optimisation],
  [optimisation flag (default is yes)])],
  [use_optimisation=$enableval],
  [use_optimisation=yes])

## CuBox support
AC_ARG_ENABLE([cubox],
  [AS_HELP_STRING([--enable-cubox],
  [enable support for the CuBox (default is no)])],
  [use_nxp=$enableval],
  [use_nxp=no])

## Optional path to the NXP dev toolkit
AC_ARG_WITH([nxp-toolkit-path],
  [AS_HELP_STRING([--with-nxp-toolkit-path],
    [location of the NXP HDMI toolkit (default is ./nxp_hdmi)])],
  [NXP_CFLAGS="-I$withval/inc"],
  [NXP_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])

## Raspberry Pi support
AC_ARG_ENABLE([rpi],
  [AS_HELP_STRING([--enable-rpi],
  [enable support for the Raspberry Pi (default is auto)])],
  [use_rpi=$enableval],
  [use_rpi=auto])

## Optional path to the RPi's dev headers
AC_ARG_WITH([rpi-include-path],
  [AS_HELP_STRING([--with-rpi-include-path],
    [location of the Raspberry Pi headers (location of /opt/vc/include, default is auto)])],
  [RPI_CFLAGS="-I$withval -I$withval/interface/vcos/pthreads"])

## Optional path to libbcm_host.so
AC_ARG_WITH([rpi-lib-path],
  [AS_HELP_STRING([--with-rpi-lib-path],
    [location of the Raspberry Pi libraries (location of libbcm_host.so, default is auto)])],
  [RPI_LIBS="-L$withval"])

## only check for the RPi API on ARM targets
if test "x$use_rpi" != "xno"; then
  case "${host_cpu}" in
    arm*)
      AC_MSG_NOTICE($msg_rpi_will_check)
      ;;
    *)
      if test "x$use_rpi" = "xyes"; then
        AC_MSG_ERROR($msg_rpi_unsupported_target)
      else
        AC_MSG_NOTICE($msg_rpi_unsupported_target)
      fi
      use_rpi="no"
      ;;
  esac
fi

## add the top dir and include to the include path, so we can include config.h and cec.h
CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"

## search for pkg-config
AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
  AC_MSG_WARN($msg_pkg_config_missing)
fi

## search for pthread, required by all targets
AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])

## search for dlopen, required by all targets
AC_SEARCH_LIBS([dlopen], [dl],
  [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
  AC_MSG_ERROR($msg_dl_missing))
AC_CHECK_FUNCS([dlopen dlcose dlsym])

## platform specific libs, required by all targets
case "${host}" in
  *-*-linux*)
    # for timeutils
    LIBS="$LIBS -lrt"
    ;;
  *-apple-darwin*)
    LIBS="$LIBS -framework CoreVideo -framework IOKit"
    ;;
esac

## 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"
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
    AC_CHECK_HEADER(lockdev.h,,AC_MSG_ERROR($msg_lockdev_missing))
    AC_CHECK_LIB(lockdev,dev_unlock,,AC_MSG_ERROR($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="$libs_pre_rpi"
      fi
    fi
    ;;
  *-apple-darwin*)
    AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
    AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
    ;;
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)

## 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 CuBox support as available
if test "x$use_nxp" != "xno"; then
  AC_DEFINE([HAVE_NXP_API],[1],[Define to 1 to include CuBox support])
  AM_CONDITIONAL(USE_NXP_API, true)
  features="$features\n  CuBox support :\t\t\tyes"
  LIB_INFO="$LIB_INFO 'CuBox'"
  CPPFLAGS="$CPPFLAGS $NXP_CFLAGS"
else
  AM_CONDITIONAL(USE_NXP_API, false)
  features="$features\n  CuBox 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`)"
fi

## redefine the LIBS, so cec-client and cec-config aren't linked against things they don't need
LIBS_LIBCEC="$LIBS"
LIBS="$libs_client"

CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers"

if test "x$use_debug" = "xyes"; then
  CXXFLAGS="$CXXFLAGS -g"
fi

if test "x$optimisation" = "xyes"; then
  CXXFLAGS="$CXXFLAGS -O2"
fi

AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")

AC_SUBST([REQUIRES])
AC_SUBST([LIBS])
AC_SUBST([LIBS_LIBCEC])
AC_SUBST([LIB_INFO])
AC_SUBST([USE_P8_USB])
AC_SUBST([USE_P8_USB_DETECT])
AC_SUBST([USE_RPI_API])
AC_CONFIG_FILES([src/lib/libcec.pc])
AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile src/cec-config/Makefile])

cat <<EOB

##############################################################################

libCEC version $VERSION configured

Compilation flags:
  CXXFLAGS :       $CXXFLAGS
  libCEC LDFLAGS : $LIBS_LIBCEC
  client LDFLAGS : $LIBS

EOB

echo -e "$features"

cat <<EOB

You can now build libCEC by running:
  make

##############################################################################

EOB
Commit	Line	Data
6ea2515b	1	AC_PREREQ(2.59)
1664420d	2	AC_INIT([libcec], [1:9:0], [http://libcec.pulse-eight.com/])
2b44051c LOK	3	AC_CONFIG_HEADERS([config.h])
	4	AH_TOP([#pragma once])
	5
	6	AM_INIT_AUTOMAKE([foreign])
	7	m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
	8
abbca718 LOK	9	AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
abbca718 LOK	10
2b44051c LOK	11	AC_CANONICAL_HOST
	12
	13	cflags_reset="$CFLAGS"
	14	AC_LANG(C++)
abbca718 LOK	15	AC_PROG_CXX
abbca718 LOK	16	AC_PROG_LIBTOOL
2b44051c LOK	17	AC_PROG_INSTALL
	18	AC_LIBTOOL_DLOPEN
	19	CFLAGS="$cflags_reset"
	20
	21	msg_pkg_config_missing="'pkg-config' is missing - adapter detection will not be available"
	22	msg_pthread_missing="required library 'pthread' is missing"
	23	msg_dl_missing="required library 'dl' is missing"
	24	msg_udev_missing="library 'udev' is missing - adapter detection will not be available"
	25	msg_dirent_missing="dirent.h header is missing - adapter detection will not be available"
	26	msg_lockdev_missing="required library 'liblockdev' is missing"
29104708 LOK	27	msg_rpi_api_missing="Raspberry Pi API not found or incompatible with libCEC"
	28	msg_rpi_will_check="will check for RPi support"
	29	msg_rpi_unsupported_target="will not check for RPi support (unsupported cpu: ${host_cpu})"
2b44051c LOK	30	msg_required_header_missing="required header is missing"
	31
	32	## debugging symbols
	33	AC_ARG_ENABLE([debug],
	34	[AS_HELP_STRING([--enable-debug],
	35	[include debug symbols (default is no)])],
	36	[use_debug=$enableval],
	37	[use_debug=no])
	38
	39	## optimisation
	40	AC_ARG_ENABLE([optimisation],
	41	[AS_HELP_STRING([--enable-optimisation],
	42	[optimisation flag (default is yes)])],
	43	[use_optimisation=$enableval],
	44	[use_optimisation=yes])
abbca718	45
4d3a7562	46	## CuBox support
	47	AC_ARG_ENABLE([cubox],
	48	[AS_HELP_STRING([--enable-cubox],
	49	[enable support for the CuBox (default is no)])],
	50	[use_nxp=$enableval],
	51	[use_nxp=no])
	52
	53	## Optional path to the NXP dev toolkit
	54	AC_ARG_WITH([nxp-toolkit-path],
	55	[AS_HELP_STRING([--with-nxp-toolkit-path],
	56	[location of the NXP HDMI toolkit (default is ./nxp_hdmi)])],
	57	[NXP_CFLAGS="-I$withval/inc"],
	58	[NXP_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])
	59
29104708 LOK	60	## Raspberry Pi support
	61	AC_ARG_ENABLE([rpi],
	62	[AS_HELP_STRING([--enable-rpi],
	63	[enable support for the Raspberry Pi (default is auto)])],
	64	[use_rpi=$enableval],
	65	[use_rpi=auto])
	66
	67	## Optional path to the RPi's dev headers
	68	AC_ARG_WITH([rpi-include-path],
	69	[AS_HELP_STRING([--with-rpi-include-path],
	70	[location of the Raspberry Pi headers (location of /opt/vc/include, default is auto)])],
	71	[RPI_CFLAGS="-I$withval -I$withval/interface/vcos/pthreads"])
	72
	73	## Optional path to libbcm_host.so
	74	AC_ARG_WITH([rpi-lib-path],
	75	[AS_HELP_STRING([--with-rpi-lib-path],
	76	[location of the Raspberry Pi libraries (location of libbcm_host.so, default is auto)])],
	77	[RPI_LIBS="-L$withval"])
	78
	79	## only check for the RPi API on ARM targets
	80	if test "x$use_rpi" != "xno"; then
	81	case "${host_cpu}" in
	82	arm*)
	83	AC_MSG_NOTICE($msg_rpi_will_check)
	84	;;
	85	*)
	86	if test "x$use_rpi" = "xyes"; then
	87	AC_MSG_ERROR($msg_rpi_unsupported_target)
	88	else
	89	AC_MSG_NOTICE($msg_rpi_unsupported_target)
	90	fi
	91	use_rpi="no"
	92	;;
	93	esac
	94	fi
	95
2b44051c LOK	96	## add the top dir and include to the include path, so we can include config.h and cec.h
2b44051c LOK	97	CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
6ea2515b	98
2b44051c LOK	99	## search for pkg-config
	100	AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
	101	if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
	102	AC_MSG_WARN($msg_pkg_config_missing)
	103	fi
	104
	105	## search for pthread, required by all targets
	106	AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
	107	AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])
	108
	109	## search for dlopen, required by all targets
6ea2515b LOK	110	AC_SEARCH_LIBS([dlopen], [dl],
6ea2515b LOK	111	[test "$ac_cv_search_dlopen" = "none required" \|\| LIBS_DL=$ac_cv_search_dlopen],
2b44051c LOK	112	AC_MSG_ERROR($msg_dl_missing))
2b44051c LOK	113	AC_CHECK_FUNCS([dlopen dlcose dlsym])
6ea2515b	114
2b44051c	115	## platform specific libs, required by all targets
6ea2515b LOK	116	case "${host}" in
6ea2515b LOK	117	--linux*)
2b44051c LOK	118	# for timeutils
2b44051c LOK	119	LIBS="$LIBS -lrt"
6ea2515b LOK	120	;;
6ea2515b LOK	121	-apple-darwin)
2b44051c	122	LIBS="$LIBS -framework CoreVideo -framework IOKit"
6ea2515b LOK	123	;;
	124	esac
	125
2b44051c LOK	126	## we found all the libs and headers that we need for the client applications
2b44051c LOK	127	libs_client="$LIBS"
6ea2515b	128
2b44051c LOK	129	## search for udev, lockdev and the RPi API, only required by libCEC
	130	use_udev="no"
	131	use_adapter_detection="yes"
3e703e8e	132	case "${host}" in
3e703e8e	133	--linux*)
2b44051c LOK	134	## search for udev if pkg-config was found
	135	if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
	136	PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
	137	fi
	138
	139	## we need dirent.h on linux too
	140	if test "$use_udev" = "yes"; then
	141	AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
	142	fi
6ea2515b	143
2b44051c LOK	144	if test "$use_udev" != "yes"; then
	145	use_adapter_detection="no"
	146	fi
6ea2515b	147
2b44051c LOK	148	## search for lockdev
	149	AC_CHECK_HEADER(lockdev.h,,AC_MSG_ERROR($msg_lockdev_missing))
	150	AC_CHECK_LIB(lockdev,dev_unlock,,AC_MSG_ERROR($msg_lockdev_missing))
	151
	152	AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
	153	AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
29104708 LOK	154
	155	## search for the RPi API. we need to check a couple of things to see if
	156	## it's recent enough and contains the calls needed for libCEC to operate
	157	## correctly.
	158	if test "x$use_rpi" != "xno"; then
	159	CPPFLAGS="$CPPFLAGS $RPI_CFLAGS"
	160	libs_pre_rpi="$LIBS"
	161	LIBS="$LIBS $RPI_LIBS -lvcos -lvchiq_arm"
	162
	163	check_rpi_cec_service="yes"
	164
	165	## check for headers we need
	166	AC_CHECK_HEADER(interface/vmcs_host/vc_cec.h,,check_rpi_cec_service="no")
	167	AC_CHECK_HEADER(interface/vmcs_host/vc_cecservice.h,,check_rpi_cec_service="no")
	168	AC_CHECK_HEADER(interface/vchiq_arm/vchiq_if.h,,check_rpi_cec_service="no")
	169	AC_CHECK_HEADER(bcm_host.h,,check_rpi_cec_service="no")
	170
	171	## check if the headers contain support for libCEC.
	172	## VC_CECSERVICE_VER needs to be defined
	173	AC_MSG_CHECKING([interface/vmcs_host/vc_cec.h compatibility])
	174
	175	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <interface/vmcs_host/vc_cecservice.h>
	176	#include <interface/vchiq_arm/vchiq_if.h>
	177	#if !defined(VC_CECSERVICE_VER)
	178	#error RPi headers does not contain libCEC support
	179	#endif]], [[]])],[AC_MSG_RESULT([yes])],[check_rpi_cec_service="no"; AC_MSG_RESULT([no])])
	180
	181	## check if the methods we're using can be found in libbcm_host.so, so we don't use an incompatible version
	182	AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
	183	libs_tmp="$LIBS"
	184	AC_CHECK_LIB(bcm_host,vc_vchi_cec_init,,check_rpi_cec_service="no")
	185	AC_CHECK_LIB(bcm_host,vc_cec_get_logical_address,,check_rpi_cec_service="no")
	186	AC_CHECK_LIB(bcm_host,vc_cec_get_physical_address,,check_rpi_cec_service="no")
	187	AC_CHECK_LIB(bcm_host,vc_cec_param2message,,check_rpi_cec_service="no")
	188	AC_CHECK_LIB(bcm_host,vc_cec_poll_address,,check_rpi_cec_service="no")
	189	AC_CHECK_LIB(bcm_host,vc_cec_register_callback,,check_rpi_cec_service="no")
	190	AC_CHECK_LIB(bcm_host,vc_cec_release_logical_address,,check_rpi_cec_service="no")
	191	AC_CHECK_LIB(bcm_host,vc_cec_set_passive,,check_rpi_cec_service="no")
	192	AC_CHECK_LIB(bcm_host,vcos_init,,check_rpi_cec_service="no")
	193	AC_CHECK_LIB(bcm_host,vchiq_initialise,,check_rpi_cec_service="no")
	194	AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
	195	AC_CHECK_LIB(bcm_host,vchi_create_connection,,check_rpi_cec_service="no")
	196	AC_CHECK_LIB(bcm_host,bcm_host_init,,check_rpi_cec_service="no")
	197	LIBS="$libs_tmp"
	198
	199	if test "x$check_rpi_cec_service" != "xyes" && test "x$use_rpi" = "xyes"; then
	200	AC_MSG_ERROR($msg_rpi_api_missing)
	201	elif test "x$check_rpi_cec_service" != "xyes"; then
	202	use_rpi="no"
	203	LIBS="$libs_pre_rpi"
	204	fi
	205	fi
3e703e8e	206	;;
3e703e8e	207	-apple-darwin)
2b44051c LOK	208	AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
2b44051c LOK	209	AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
5458fd77	210	;;
3e703e8e	211	esac
3e703e8e	212
2b44051c LOK	213	## define the build info
	214	LIB_INFO="host: ${host}, features:"
	215
	216	features="Configured features:\n Pulse-Eight CEC Adapter :\t\tyes"
	217	LIB_INFO="$LIB_INFO 'P8 USB'"
	218	AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
	219	AM_CONDITIONAL(USE_P8_USB, true)
	220
	221	## mark adapter detection as available if the required deps were found
	222	if test "x$use_adapter_detection" = "xyes"; then
	223	## mark udev as available if it was found
	224	if test "x$use_udev" = "xyes"; then
	225	INCLUDES="$INCLUDES $UDEV_CFLAGS"
	226	LIBS="$LIBS $UDEV_LIBS"
	227	AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
	228	REQUIRES="$REQUIRES udev"
	229	fi
	230
	231	AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
	232	AM_CONDITIONAL(USE_P8_USB_DETECT, true)
	233
	234	features="$features\n Pulse-Eight CEC Adapter detection :\tyes"
	235	LIB_INFO="$LIB_INFO 'P8 USB detect'"
	236	else
	237	AM_CONDITIONAL(USE_P8_USB_DETECT, false)
	238	features="$features\n Pulse-Eight CEC Adapter detection :\tno"
42c02563 LOK	239	fi
42c02563 LOK	240
29104708 LOK	241	## mark RPi support as available if the required headers and libs were found
	242	if test "x$use_rpi" != "xno"; then
	243	AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
	244	AM_CONDITIONAL(USE_RPI_API, true)
	245	features="$features\n Raspberry Pi support :\t\tyes"
	246	LIB_INFO="$LIB_INFO 'RPi'"
	247	else
	248	AM_CONDITIONAL(USE_RPI_API, false)
	249	features="$features\n Raspberry Pi support :\t\tno"
	250	fi
	251
4d3a7562	252	## mark CuBox support as available
	253	if test "x$use_nxp" != "xno"; then
	254	AC_DEFINE([HAVE_NXP_API],[1],[Define to 1 to include CuBox support])
	255	AM_CONDITIONAL(USE_NXP_API, true)
	256	features="$features\n CuBox support :\t\t\tyes"
	257	LIB_INFO="$LIB_INFO 'CuBox'"
	258	CPPFLAGS="$CPPFLAGS $NXP_CFLAGS"
	259	else
	260	AM_CONDITIONAL(USE_NXP_API, false)
	261	features="$features\n CuBox support :\t\t\tno"
	262	fi
	263
2b44051c LOK	264	## check if our build system is complete
	265	AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
	266	AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
	267	AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
	268	AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
	269	AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
	270	AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
	271	AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
	272	AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
	273	AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
	274	AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
	275	AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
	276	AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
	277	AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
	278	AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
	279	AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
	280	AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
	281	AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
	282	AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
	283	AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
	284	AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
	285	AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
	286	AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
	287	AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
	288	AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
	289	AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
	290	AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
	291	AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
	292	AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
	293	AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
	294	AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
	295	AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
	296	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])
abbca718	297
2b44051c LOK	298	## add the build date to LIB_INFO
	299	AC_CHECK_PROG(HAVE_GIT, git, yes)
	300	if test "x$HAVE_GIT" = "xyes"; then
	301	revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
	302	fi
	303	if test "x$revision" != "x"; then
	304	LIB_INFO="$LIB_INFO, git revision: ${revision}"
	305	fi
	306
	307	AC_CHECK_PROG(HAVE_DATE, date, yes)
	308	if test "x$HAVE_DATE" = "xyes"; then
	309	LIB_INFO="$LIB_INFO, compiled on: `date -u`"
	310	else
	311	LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
	312	fi
	313
	314	## add the name of the user who built libCEC to LIB_INFO
	315	AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
	316	if test "x$HAVE_WHOAMI" = "xyes" ; then
	317	LIB_INFO="$LIB_INFO by `whoami`"
	318	else
	319	LIB_INFO="$LIB_INFO by (unknown user)"
	320	fi
	321
	322	## add the hostname of the build host of libCEC to LIB_INFO
	323	AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
	324	if test "x$HAVE_HOSTNAME" = "xyes"; then
	325	LIB_INFO="$LIB_INFO@`hostname -f`"
	326	fi
	327
	328	## add the system info of the build host of libCEC to LIB_INFO
	329	AC_CHECK_PROG(HAVE_UNAME, uname, yes)
	330	if test "x$HAVE_UNAME" = "xyes"; then
	331	LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
	332	fi
	333
	334	## redefine the LIBS, so cec-client and cec-config aren't linked against things they don't need
	335	LIBS_LIBCEC="$LIBS"
	336	LIBS="$libs_client"
	337
	338	CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers"
	339
	340	if test "x$use_debug" = "xyes"; then
	341	CXXFLAGS="$CXXFLAGS -g"
	342	fi
	343
	344	if test "x$optimisation" = "xyes"; then
	345	CXXFLAGS="$CXXFLAGS -O2"
	346	fi
	347
	348	AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
7eb13cca	349
6ea2515b LOK	350	AC_SUBST([REQUIRES])
	351	AC_SUBST([LIBS])
	352	AC_SUBST([LIBS_LIBCEC])
2b44051c LOK	353	AC_SUBST([LIB_INFO])
	354	AC_SUBST([USE_P8_USB])
	355	AC_SUBST([USE_P8_USB_DETECT])
	356	AC_SUBST([USE_RPI_API])
abbca718	357	AC_CONFIG_FILES([src/lib/libcec.pc])
39b1216c	358	AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile src/cec-config/Makefile])
2b44051c LOK	359
	360	cat <<EOB
	361
	362	##############################################################################
	363
	364	libCEC version $VERSION configured
	365
	366	Compilation flags:
	367	CXXFLAGS : $CXXFLAGS
	368	libCEC LDFLAGS : $LIBS_LIBCEC
	369	client LDFLAGS : $LIBS
	370
	371	EOB
	372
	373	echo -e "$features"
	374
	375	cat <<EOB
	376
	377	You can now build libCEC by running:
	378	make
	379
	380	##############################################################################
	381
	382	EOB