configure.ac

   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$withval/inc"],
  58   [TDA995X_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])
  59
  60 ## Raspberry Pi support
  61 AC_ARG_ENABLE([rpi],
  62   [AS_HELP_STRING([--enable-rpi],
  63   [enable support for the Raspberry Pi (default is auto)])],
  64   [use_rpi=$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 -I$withval/interface/vmcs_host/linux"])
  72
  73 ## Optional path to libbcm_host.so
  74 AC_ARG_WITH([rpi-lib-path],
  75   [AS_HELP_STRING([--with-rpi-lib-path],
  76     [location of the Raspberry Pi libraries (location of libbcm_host.so, default is auto)])],
  77   [RPI_LIBS="-L$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
  96 ## add the top dir and include to the include path, so we can include config.h and cec.h
  97 CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
  98
  99 ## search for pkg-config
 100 AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
 101 if test "x$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
 110 AC_SEARCH_LIBS([dlopen], [dl],
 111   [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
 112   AC_MSG_ERROR($msg_dl_missing))
 113 AC_CHECK_FUNCS([dlopen dlclose dlsym])
 114
 115 ## platform specific libs, required by all targets
 116 case "${host}" in
 117   *-*-linux*)
 118     # for timeutils
 119     AC_SEARCH_LIBS([clock_gettime], [rt])
 120     ;;
 121   *-apple-darwin*)
 122     LIBS="$LIBS -framework CoreVideo -framework IOKit"
 123     ;;
 124 esac
 125
 126 ## we found all the libs and headers that we need for the client applications
 127 libs_client="$LIBS"
 128
 129 ## search for udev, lockdev and the RPi API, only required by libCEC
 130 use_udev="no"
 131 use_adapter_detection="yes"
 132 use_lockdev="no"
 133 case "${host}" in
 134   *-*-linux*)
 135     ## search for udev if pkg-config was found
 136     if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
 137       PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
 138     fi
 139
 140     ## we need dirent.h on linux too
 141     if test "$use_udev" = "yes"; then
 142       AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
 143     fi
 144
 145     if test "$use_udev" != "yes"; then
 146       use_adapter_detection="no"
 147     fi
 148
 149     ## search for lockdev
 150     use_lockdev="yes"
 151     AC_CHECK_HEADER(lockdev.h,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
 152     AC_CHECK_LIB(lockdev,dev_unlock,,[use_lockdev="no";AC_MSG_WARN($msg_lockdev_missing)])
 153
 154     AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
 155     AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
 156
 157     ## search for the RPi API. we need to check a couple of things to see if
 158     ## it's recent enough and contains the calls needed for libCEC to operate
 159     ## correctly.
 160     if test "x$use_rpi" != "xno"; then
 161       CPPFLAGS="$CPPFLAGS $RPI_CFLAGS"
 162       libs_pre_rpi="$LIBS"
 163       LIBS="$LIBS $RPI_LIBS -lvcos -lvchiq_arm"
 164
 165       check_rpi_cec_service="yes"
 166
 167       ## check for headers we need
 168       AC_CHECK_HEADER(interface/vmcs_host/vc_cec.h,,check_rpi_cec_service="no")
 169       AC_CHECK_HEADER(interface/vmcs_host/vc_cecservice.h,,check_rpi_cec_service="no")
 170       AC_CHECK_HEADER(interface/vchiq_arm/vchiq_if.h,,check_rpi_cec_service="no")
 171       AC_CHECK_HEADER(bcm_host.h,,check_rpi_cec_service="no")
 172
 173       ## check if the headers contain support for libCEC.
 174       ## VC_CECSERVICE_VER needs to be defined
 175       AC_MSG_CHECKING([interface/vmcs_host/vc_cec.h compatibility])
 176
 177       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <interface/vmcs_host/vc_cecservice.h>
 178 #include <interface/vchiq_arm/vchiq_if.h>
 179 #if !defined(VC_CECSERVICE_VER)
 180 #error RPi headers does not contain libCEC support
 181 #endif]], [[]])],[AC_MSG_RESULT([yes])],[check_rpi_cec_service="no"; AC_MSG_RESULT([no])])
 182
 183       ## check if the methods we're using can be found in libbcm_host.so, so we don't use an incompatible version
 184       AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
 185       libs_tmp="$LIBS"
 186       AC_CHECK_LIB(bcm_host,vc_vchi_cec_init,,check_rpi_cec_service="no")
 187       AC_CHECK_LIB(bcm_host,vc_cec_get_logical_address,,check_rpi_cec_service="no")
 188       AC_CHECK_LIB(bcm_host,vc_cec_get_physical_address,,check_rpi_cec_service="no")
 189       AC_CHECK_LIB(bcm_host,vc_cec_param2message,,check_rpi_cec_service="no")
 190       AC_CHECK_LIB(bcm_host,vc_cec_poll_address,,check_rpi_cec_service="no")
 191       AC_CHECK_LIB(bcm_host,vc_cec_register_callback,,check_rpi_cec_service="no")
 192       AC_CHECK_LIB(bcm_host,vc_cec_release_logical_address,,check_rpi_cec_service="no")
 193       AC_CHECK_LIB(bcm_host,vc_cec_set_passive,,check_rpi_cec_service="no")
 194       AC_CHECK_LIB(bcm_host,vcos_init,,check_rpi_cec_service="no")
 195       AC_CHECK_LIB(bcm_host,vchiq_initialise,,check_rpi_cec_service="no")
 196       AC_CHECK_LIB(bcm_host,vchi_initialise,,check_rpi_cec_service="no")
 197       AC_CHECK_LIB(bcm_host,vchi_create_connection,,check_rpi_cec_service="no")
 198       AC_CHECK_LIB(bcm_host,bcm_host_init,,check_rpi_cec_service="no")
 199       LIBS="$libs_tmp"
 200
 201       if test "x$check_rpi_cec_service" != "xyes" && test "x$use_rpi" = "xyes"; then
 202         AC_MSG_ERROR($msg_rpi_api_missing)
 203       elif test "x$check_rpi_cec_service" != "xyes"; then
 204         use_rpi="no"
 205         LIBS="$libs_pre_rpi"
 206       fi
 207     fi
 208     ;;
 209   *-apple-darwin*)
 210     AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
 211     AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
 212     AC_DEFINE([TARGET_DARWIN], [1], [Darwin target])
 213     ;;
 214 esac
 215
 216 ## define the build info
 217 LIB_INFO="host: ${host}, features:"
 218
 219 features="Configured features:\n  Pulse-Eight CEC Adapter :\t\tyes"
 220 LIB_INFO="$LIB_INFO 'P8 USB'"
 221 AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
 222 AM_CONDITIONAL(USE_P8_USB, true)
 223
 224 if test "x$use_lockdev" = "xyes"; then
 225   AC_DEFINE([HAVE_LOCKDEV],[1],[Define to 1 if liblockdev is installed])
 226 fi
 227
 228 ## mark adapter detection as available if the required deps were found
 229 if test "x$use_adapter_detection" = "xyes"; then
 230   ## mark udev as available if it was found
 231   if test "x$use_udev" = "xyes"; then
 232     INCLUDES="$INCLUDES $UDEV_CFLAGS"
 233     LIBS="$LIBS $UDEV_LIBS"
 234     AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
 235     REQUIRES="$REQUIRES udev"
 236   fi
 237
 238   AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
 239   AM_CONDITIONAL(USE_P8_USB_DETECT, true)
 240
 241   features="$features\n  Pulse-Eight CEC Adapter detection :\tyes"
 242   LIB_INFO="$LIB_INFO 'P8 USB detect'"
 243 else
 244   AM_CONDITIONAL(USE_P8_USB_DETECT, false)
 245   features="$features\n  Pulse-Eight CEC Adapter detection :\tno"
 246 fi
 247
 248 ## mark RPi support as available if the required headers and libs were found
 249 if test "x$use_rpi" != "xno"; then
 250   AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
 251   AM_CONDITIONAL(USE_RPI_API, true)
 252   features="$features\n  Raspberry Pi support :\t\tyes"
 253   LIB_INFO="$LIB_INFO 'RPi'"
 254 else
 255   AM_CONDITIONAL(USE_RPI_API, false)
 256   features="$features\n  Raspberry Pi support :\t\tno"
 257 fi
 258
 259 ## mark TDA995x support as available
 260 if test "x$use_tda995x" != "xno"; then
 261   AC_DEFINE([HAVE_TDA995X_API],[1],[Define to 1 to include CuBox support])
 262   AM_CONDITIONAL(USE_TDA995X_API, true)
 263   features="$features\n  TDA995x support :\t\t\tyes"
 264   LIB_INFO="$LIB_INFO 'TDA995x'"
 265   CPPFLAGS="$CPPFLAGS $TDA995X_CFLAGS"
 266 else
 267   AM_CONDITIONAL(USE_TDA995X_API, false)
 268   features="$features\n  TDA995x support :\t\t\tno"
 269 fi
 270
 271 ## check if our build system is complete
 272 AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
 273 AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 274 AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
 275 AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
 276 AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
 277 AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
 278 AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
 279 AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
 280 AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
 281 AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
 282 AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
 283 AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
 284 AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
 285 AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
 286 AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
 287 AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
 288 AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
 289 AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
 290 AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
 291 AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
 292 AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
 293 AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
 294 AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
 295 AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
 296 AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 297 AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
 298 AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
 299 AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
 300 AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
 301 AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
 302 AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
 303 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])
 304
 305 ## add the build date to LIB_INFO
 306 AC_CHECK_PROG(HAVE_GIT, git, yes)
 307 if test "x$HAVE_GIT" = "xyes"; then
 308   revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
 309 fi
 310 if test "x$revision" != "x"; then
 311   LIB_INFO="$LIB_INFO, git revision: ${revision}"
 312 fi
 313
 314 AC_CHECK_PROG(HAVE_DATE, date, yes)
 315 if test "x$HAVE_DATE" = "xyes"; then
 316   LIB_INFO="$LIB_INFO, compiled on: `date -u`"
 317 else
 318   LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
 319 fi
 320
 321 ## add the name of the user who built libCEC to LIB_INFO
 322 AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
 323 if test "x$HAVE_WHOAMI" = "xyes" ; then
 324   LIB_INFO="$LIB_INFO by `whoami`"
 325 else
 326   LIB_INFO="$LIB_INFO by (unknown user)"
 327 fi
 328
 329 ## add the hostname of the build host of libCEC to LIB_INFO
 330 AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
 331 if test "x$HAVE_HOSTNAME" = "xyes"; then
 332   LIB_INFO="$LIB_INFO@`hostname -f`"
 333 fi
 334
 335 ## add the system info of the build host of libCEC to LIB_INFO
 336 AC_CHECK_PROG(HAVE_UNAME, uname, yes)
 337 if test "x$HAVE_UNAME" = "xyes"; then
 338   LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
 339 fi
 340
 341 ## redefine the LIBS, so cec-client isn't linked against things they don't need
 342 LIBS_LIBCEC="$LIBS"
 343 LIBS="$libs_client"
 344
 345 CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers -Wno-psabi"
 346
 347 if test "x$use_debug" = "xyes"; then
 348   CXXFLAGS="$CXXFLAGS -g"
 349   AC_DEFINE(CEC_DEBUGGING,"1", "generate libCEC debug output")
 350 fi
 351
 352 if test "x$optimisation" = "xyes"; then
 353   CXXFLAGS="$CXXFLAGS -O2"
 354 fi
 355
 356 AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
 357
 358 AC_SUBST([REQUIRES])
 359 AC_SUBST([LIBS])
 360 AC_SUBST([LIBS_LIBCEC])
 361 AC_SUBST([LIB_INFO])
 362 AC_SUBST([USE_P8_USB])
 363 AC_SUBST([USE_P8_USB_DETECT])
 364 AC_SUBST([USE_RPI_API])
 365 AC_CONFIG_FILES([src/lib/libcec.pc])
 366 AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile])
 367
 368 cat <<EOB
 369
 370 ##############################################################################
 371
 372 libCEC version $VERSION configured
 373
 374 Compilation flags:
 375   CXXFLAGS :       $CXXFLAGS
 376   libCEC LDFLAGS : $LIBS_LIBCEC
 377   client LDFLAGS : $LIBS
 378
 379 EOB
 380
 381 echo -e "$features"
 382
 383 cat <<EOB
 384
 385 You can now build libCEC by running:
 386   make
 387
 388 ##############################################################################
 389
 390 EOB