[deb_libcec.git] / configure.ac

AC_PREREQ(2.59)
AC_INIT([libcec], [2:1:0], [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([yes])])

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="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])

## TDA995x support
AC_ARG_ENABLE([cubox],
  [AS_HELP_STRING([--enable-tda995x],
  [enable support for the TDA995x (default is no)])],
  [use_tda995x=$enableval],
  [use_tda995x=no])

## Optional path to the tda995x dev toolkit
AC_ARG_WITH([tda995x-toolkit-path],
  [AS_HELP_STRING([--with-tda995x-toolkit-path],
    [location of the TDA995x driver toolkit (default is ./nxp_hdmi)])],
  [TDA995X_CFLAGS="-I$withval/inc"],
  [TDA995X_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])

## Exynos support
AC_ARG_ENABLE([exynos],
  [AS_HELP_STRING([--enable-exynos],
  [enable support for the Exynos (default is yes)])],
  [use_exynos=$enableval],
  [use_exynos=yes])

## 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 -I$withval/interface/vmcs_host/linux"])

## 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 dlclose dlsym])

## platform specific libs, required by all targets
case "${host}" in
  *-*-linux*)
    # for timeutils
    AC_SEARCH_LIBS([clock_gettime], [rt])
    ;;
  *-apple-darwin*)
    LIBS="$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"
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`)"
fi

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

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

if test "x$use_debug" = "xyes"; then
  CXXFLAGS="$CXXFLAGS -g"
  AC_DEFINE(CEC_DEBUGGING,"1", "generate libCEC debug output")
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])

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
cbbe90dd JB	1	AC_PREREQ(2.59)
	2	AC_INIT([libcec], [2:1:0], [http://libcec.pulse-eight.com/])
	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([yes])])
	8
	9	AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
	10
	11	AC_CANONICAL_HOST
	12
	13	cflags_reset="$CFLAGS"
	14	AC_LANG(C++)
	15	AC_PROG_CXX
	16	AC_PROG_LIBTOOL
	17	AC_PROG_INSTALL
	18	AC_LIBTOOL_DLOPEN
	19	CFLAGS="$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="library 'liblockdev' is missing"
	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: ${host_cpu})"
	30	msg_required_header_missing="required header is missing"
	31
	32	## debugging symbols
	33	AC_ARG_ENABLE([debug],
	34	[AS_HELP_STRING([--enable-debug],
	35	[include debug symbols (default is no)])],
	36	[use_debug=$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=$enableval],
	44	[use_optimisation=yes])
	45
	46	## TDA995x support
	47	AC_ARG_ENABLE([cubox],
	48	[AS_HELP_STRING([--enable-tda995x],
	49	[enable support for the TDA995x (default is no)])],
	50	[use_tda995x=$enableval],
	51	[use_tda995x=no])
	52
	53	## Optional path to the tda995x dev toolkit
	54	AC_ARG_WITH([tda995x-toolkit-path],
	55	[AS_HELP_STRING([--with-tda995x-toolkit-path],
	56	[location of the TDA995x driver toolkit (default is ./nxp_hdmi)])],
	57	[TDA995X_CFLAGS="-I$withval/inc"],
	58	[TDA995X_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])
	59
	60	## Exynos support
	61	AC_ARG_ENABLE([exynos],
	62	[AS_HELP_STRING([--enable-exynos],
	63	[enable support for the Exynos (default is yes)])],
	64	[use_exynos=$enableval],
65	[use_exynos=yes])
66
67	## Raspberry Pi support
68	AC_ARG_ENABLE([rpi],
69	[AS_HELP_STRING([--enable-rpi],
70	[enable support for the Raspberry Pi (default is auto)])],
71	[use_rpi=$enableval],
72	[use_rpi=auto])
73
74	## Optional path to the RPi's dev headers
75	AC_ARG_WITH([rpi-include-path],
76	[AS_HELP_STRING([--with-rpi-include-path],
77	[location of the Raspberry Pi headers (location of /opt/vc/include, default is auto)])],
78	[RPI_CFLAGS="-I$withval -I$withval/interface/vcos/pthreads -I$withval/interface/vmcs_host/linux"])
79
80	## Optional path to libbcm_host.so
81	AC_ARG_WITH([rpi-lib-path],
82	[AS_HELP_STRING([--with-rpi-lib-path],
83	[location of the Raspberry Pi libraries (location of libbcm_host.so, default is auto)])],
84	[RPI_LIBS="-L$withval"])
85
86	## only check for the RPi API on ARM targets
87	if test "x$use_rpi" != "xno"; then
88	case "${host_cpu}" in
89	arm*)
90	AC_MSG_NOTICE($msg_rpi_will_check)
91	;;
92	*)
93	if test "x$use_rpi" = "xyes"; then
94	AC_MSG_ERROR($msg_rpi_unsupported_target)
95	else
96	AC_MSG_NOTICE($msg_rpi_unsupported_target)
97	fi
98	use_rpi="no"
99	;;
100	esac
101	fi
102
103	## add the top dir and include to the include path, so we can include config.h and cec.h
104	CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
105
106	## search for pkg-config
107	AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
108	if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
109	AC_MSG_WARN($msg_pkg_config_missing)
110	fi
111
112	## search for pthread, required by all targets
113	AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
114	AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])
115
116	## search for dlopen, required by all targets
117	AC_SEARCH_LIBS([dlopen], [dl],
118	[test "$ac_cv_search_dlopen" = "none required" \|\| LIBS_DL=$ac_cv_search_dlopen],
119	AC_MSG_ERROR($msg_dl_missing))
120	AC_CHECK_FUNCS([dlopen dlclose dlsym])
121
122	## platform specific libs, required by all targets
123	case "${host}" in
124	--linux*)
125	# for timeutils
126	AC_SEARCH_LIBS([clock_gettime], [rt])
127	;;
128	-apple-darwin)
129	LIBS="$LIBS -framework CoreVideo -framework IOKit"
130	;;
131	esac
132
133	## we found all the libs and headers that we need for the client applications
134	libs_client="$LIBS"
135
136	## search for udev, lockdev and the RPi API, only required by libCEC
137	use_udev="no"
138	use_adapter_detection="yes"
139	use_lockdev="no"
140	SUPPRESS_MANGLING_WARNINGS=" -Wno-psabi"
141	case "${host}" in
142	--linux*)
143	## search for udev if pkg-config was found
144	if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
145	PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
146	fi
147
148	## we need dirent.h on linux too
149	if test "$use_udev" = "yes"; then
150	AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
151	fi
152
153	if test "$use_udev" != "yes"; then
154	use_adapter_detection="no"
155	fi
156
157	## search for lockdev
158	use_lockdev="yes"
159	AC_CHECK_HEADER(lockdev.h,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
160	AC_CHECK_LIB(lockdev,dev_unlock,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
161
162	AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
163	AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
164
165	## search for the RPi API. we need to check a couple of things to see if
166	## it's recent enough and contains the calls needed for libCEC to operate
167	## correctly.
168	if test "x$use_rpi" != "xno"; then
169	CPPFLAGS="$CPPFLAGS $RPI_CFLAGS"
170	libs_pre_rpi="$LIBS"
171	LIBS="$LIBS $RPI_LIBS -lvcos -lvchiq_arm"
172
173	check_rpi_cec_service="yes"
174
175	## check for headers we need
176	AC_CHECK_HEADER(interface/vmcs_host/vc_cec.h,,check_rpi_cec_service="no")
177	AC_CHECK_HEADER(interface/vmcs_host/vc_cecservice.h,,check_rpi_cec_service="no")
178	AC_CHECK_HEADER(interface/vchiq_arm/vchiq_if.h,,check_rpi_cec_service="no")
179	AC_CHECK_HEADER(bcm_host.h,,check_rpi_cec_service="no")
180
181	## check if the headers contain support for libCEC.
182	## VC_CECSERVICE_VER needs to be defined
183	AC_MSG_CHECKING([interface/vmcs_host/vc_cec.h compatibility])
184
185	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <interface/vmcs_host/vc_cecservice.h>
186	#include <interface/vchiq_arm/vchiq_if.h>
187	#if !defined(VC_CECSERVICE_VER)
188	#error RPi headers does not contain libCEC support
189	#endif]], [[]])],[AC_MSG_RESULT([yes])],[check_rpi_cec_service="no"; AC_MSG_RESULT([no])])
190
191	## check if the methods we're using can be found in libbcm_host.so, so we don't use an incompatible version
192	AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
193	libs_tmp="$LIBS"
194	AC_CHECK_LIB(bcm_host,vc_vchi_cec_init,,check_rpi_cec_service="no")
195	AC_CHECK_LIB(bcm_host,vc_cec_get_logical_address,,check_rpi_cec_service="no")
196	AC_CHECK_LIB(bcm_host,vc_cec_get_physical_address,,check_rpi_cec_service="no")
197	AC_CHECK_LIB(bcm_host,vc_cec_param2message,,check_rpi_cec_service="no")
198	AC_CHECK_LIB(bcm_host,vc_cec_poll_address,,check_rpi_cec_service="no")
199	AC_CHECK_LIB(bcm_host,vc_cec_register_callback,,check_rpi_cec_service="no")
200	AC_CHECK_LIB(bcm_host,vc_cec_release_logical_address,,check_rpi_cec_service="no")
201	AC_CHECK_LIB(bcm_host,vc_cec_set_passive,,check_rpi_cec_service="no")
202	AC_CHECK_LIB(bcm_host,vcos_init,,check_rpi_cec_service="no")
203	AC_CHECK_LIB(bcm_host,vchiq_initialise,,check_rpi_cec_service="no")
204	AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
205	AC_CHECK_LIB(bcm_host,vchi_create_connection,,check_rpi_cec_service="no")
206	AC_CHECK_LIB(bcm_host,bcm_host_init,,check_rpi_cec_service="no")
207	LIBS="$libs_tmp"
208
209	if test "x$check_rpi_cec_service" != "xyes" && test "x$use_rpi" = "xyes"; then
210	AC_MSG_ERROR($msg_rpi_api_missing)
211	elif test "x$check_rpi_cec_service" != "xyes"; then
212	use_rpi="no"
213	LIBS="$libs_pre_rpi"
214	fi
215	fi
216	## search for X11/xrandr
217	libs_tmp="$LIBS"
218	use_x11_xrandr="yes"
219	AC_CHECK_HEADER(X11/Xlib.h,,[use_x11_xrandr="no"])
220	AC_CHECK_HEADER(X11/Xatom.h,,[use_x11_xrandr="no"])
221	AC_CHECK_HEADER(X11/extensions/Xrandr.h,,[use_x11_xrandr="no"])
222	AC_CHECK_LIB(X11,XOpenDisplay,,[use_x11_xrandr="no"])
223	AC_CHECK_LIB(Xrandr,XRRGetScreenResources,,[use_x11_xrandr="no"])
224	if test "x$use_x11_xrandr" = "xyes"; then
225	AC_DEFINE([HAVE_RANDR],[1],[Define to 1 to include support for the X11 randr extension])
226	AM_CONDITIONAL(USE_X11_RANDR, true)
227	else
228	AM_CONDITIONAL(USE_X11_RANDR, false)
229	LIBS="$libs_tmp"
230	fi
231	;;
232	-apple-darwin)
233	AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
234	AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
235	AC_DEFINE([TARGET_DARWIN], [1], [Darwin target])
236	AM_CONDITIONAL(USE_X11_RANDR, false)
237	SUPPRESS_MANGLING_WARNINGS=""
238	;;
239	esac
240
241	## define the build info
242	LIB_INFO="host: ${host}, features:"
243
244	features="Configured features:\n Pulse-Eight CEC Adapter :\t\tyes"
245	LIB_INFO="$LIB_INFO 'P8 USB'"
246	AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
247	AM_CONDITIONAL(USE_P8_USB, true)
248
249	if test "x$use_lockdev" = "xyes"; then
250	AC_DEFINE([HAVE_LOCKDEV],[1],[Define to 1 if liblockdev is installed])
251	fi
252
253	## mark adapter detection as available if the required deps were found
254	if test "x$use_adapter_detection" = "xyes"; then
255	## mark udev as available if it was found
256	if test "x$use_udev" = "xyes"; then
257	INCLUDES="$INCLUDES $UDEV_CFLAGS"
258	LIBS="$LIBS $UDEV_LIBS"
259	AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
260	REQUIRES="$REQUIRES udev"
261	fi
262
263	AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
264	AM_CONDITIONAL(USE_P8_USB_DETECT, true)
265
266	features="$features\n Pulse-Eight CEC Adapter detection :\tyes"
267	LIB_INFO="$LIB_INFO 'P8 USB detect'"
268	else
269	AM_CONDITIONAL(USE_P8_USB_DETECT, false)
270	features="$features\n Pulse-Eight CEC Adapter detection :\tno"
271	fi
272
273	## mark RPi support as available if the required headers and libs were found
274	if test "x$use_rpi" != "xno"; then
275	AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
276	AM_CONDITIONAL(USE_RPI_API, true)
277	features="$features\n Raspberry Pi support :\t\tyes"
278	LIB_INFO="$LIB_INFO 'RPi'"
279	else
280	AM_CONDITIONAL(USE_RPI_API, false)
281	features="$features\n Raspberry Pi support :\t\tno"
282	fi
283
284	## mark TDA995x support as available
285	if test "x$use_tda995x" != "xno"; then
286	AC_DEFINE([HAVE_TDA995X_API],[1],[Define to 1 to include CuBox support])
287	AM_CONDITIONAL(USE_TDA995X_API, true)
288	features="$features\n TDA995x support :\t\t\tyes"
289	LIB_INFO="$LIB_INFO 'TDA995x'"
290	CPPFLAGS="$CPPFLAGS $TDA995X_CFLAGS"
291	else
292	AM_CONDITIONAL(USE_TDA995X_API, false)
293	features="$features\n TDA995x support :\t\t\tno"
294	fi
295
296	## mark Exynos support as available
297	if test "x$use_exynos" != "xno"; then
298	AC_DEFINE([HAVE_EXYNOS_API],[1],[Define to 1 to include Exynos support])
299	AM_CONDITIONAL(USE_EXYNOS_API, true)
300	features="$features\n Exynos support :\t\t\tyes"
301	LIB_INFO="$LIB_INFO 'EXYNOS'"
302	CPPFLAGS="$CPPFLAGS $EXYNOS_CFLAGS"
303	else
304	AM_CONDITIONAL(USE_EXYNOS_API, false)
305	features="$features\n EXYNOS support :\t\t\tno"
306	fi
307
308
309	## check if our build system is complete
310	AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
311	AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
312	AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
313	AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
314	AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
315	AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
316	AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
317	AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
318	AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
319	AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
320	AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
321	AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
322	AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
323	AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
324	AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
325	AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
326	AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
327	AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
328	AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
329	AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
330	AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
331	AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
332	AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
333	AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
334	AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
335	AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
336	AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
337	AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
338	AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
339	AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
340	AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
341	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])
342
343	## add the build date to LIB_INFO
344	AC_CHECK_PROG(HAVE_GIT, git, yes)
345	if test "x$HAVE_GIT" = "xyes"; then
346	revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
347	fi
348	if test "x$revision" != "x"; then
349	LIB_INFO="$LIB_INFO, git revision: ${revision}"
350	fi
351
352	AC_CHECK_PROG(HAVE_DATE, date, yes)
353	if test "x$HAVE_DATE" = "xyes"; then
354	LIB_INFO="$LIB_INFO, compiled on: `date -u`"
355	else
356	LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
357	fi
358
359	## add the name of the user who built libCEC to LIB_INFO
360	AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
361	if test "x$HAVE_WHOAMI" = "xyes" ; then
362	LIB_INFO="$LIB_INFO by `whoami`"
363	else
364	LIB_INFO="$LIB_INFO by (unknown user)"
365	fi
366
367	## add the hostname of the build host of libCEC to LIB_INFO
368	AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
369	if test "x$HAVE_HOSTNAME" = "xyes"; then
370	LIB_INFO="$LIB_INFO@`hostname -f`"
371	fi
372
373	## add the system info of the build host of libCEC to LIB_INFO
374	AC_CHECK_PROG(HAVE_UNAME, uname, yes)
375	if test "x$HAVE_UNAME" = "xyes"; then
376	LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
377	fi
378
379	## redefine the LIBS, so cec-client isn't linked against things they don't need
380	LIBS_LIBCEC="$LIBS"
381	LIBS="$libs_client"
382
383	CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers $SUPPRESS_MANGLING_WARNINGS"
384
385	if test "x$use_debug" = "xyes"; then
386	CXXFLAGS="$CXXFLAGS -g"
387	AC_DEFINE(CEC_DEBUGGING,"1", "generate libCEC debug output")
388	fi
389
390	if test "x$optimisation" = "xyes"; then
391	CXXFLAGS="$CXXFLAGS -O2"
392	fi
393
394	AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
395
396	AC_SUBST([REQUIRES])
397	AC_SUBST([LIBS])
398	AC_SUBST([LIBS_LIBCEC])
399	AC_SUBST([LIB_INFO])
400	AC_SUBST([USE_P8_USB])
401	AC_SUBST([USE_P8_USB_DETECT])
402	AC_SUBST([USE_RPI_API])
403	AC_CONFIG_FILES([src/lib/libcec.pc])
404	AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile])
405
406	cat <<EOB
407
408	##############################################################################
409
410	libCEC version $VERSION configured
411
412	Compilation flags:
413	CXXFLAGS : $CXXFLAGS
414	libCEC LDFLAGS : $LIBS_LIBCEC
415	client LDFLAGS : $LIBS
416
417	EOB
418
419	echo -e "$features"
420
421	cat <<EOB
422
423	You can now build libCEC by running:
424	make
425
426	##############################################################################
427
428	EOB