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$withval/inc"],
  58   [TDA995X_CFLAGS="-I\$(abs_top_srcdir)/nxp_hdmi/inc"])
  59
  60 ## Exynos support
  61 AC_ARG_ENABLE([exynos],
  62   [AS_HELP_STRING([--enable-exynos],
  63   [enable support for the Exynos (default is yes)])],
  64   [use_exynos=$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     SUPPRESS_MANGLING_WARNINGS=""
 237     ;;
 238 esac
 239
 240 ## define the build info
 241 LIB_INFO="host: ${host}, features:"
 242
 243 features="Configured features:\n  Pulse-Eight CEC Adapter :\t\tyes"
 244 LIB_INFO="$LIB_INFO 'P8 USB'"
 245 AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
 246 AM_CONDITIONAL(USE_P8_USB, true)
 247
 248 if test "x$use_lockdev" = "xyes"; then
 249   AC_DEFINE([HAVE_LOCKDEV],[1],[Define to 1 if liblockdev is installed])
 250 fi
 251
 252 ## mark adapter detection as available if the required deps were found
 253 if test "x$use_adapter_detection" = "xyes"; then
 254   ## mark udev as available if it was found
 255   if test "x$use_udev" = "xyes"; then
 256     INCLUDES="$INCLUDES $UDEV_CFLAGS"
 257     LIBS="$LIBS $UDEV_LIBS"
 258     AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
 259     REQUIRES="$REQUIRES udev"
 260   fi
 261
 262   AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
 263   AM_CONDITIONAL(USE_P8_USB_DETECT, true)
 264
 265   features="$features\n  Pulse-Eight CEC Adapter detection :\tyes"
 266   LIB_INFO="$LIB_INFO 'P8 USB detect'"
 267 else
 268   AM_CONDITIONAL(USE_P8_USB_DETECT, false)
 269   features="$features\n  Pulse-Eight CEC Adapter detection :\tno"
 270 fi
 271
 272 ## mark RPi support as available if the required headers and libs were found
 273 if test "x$use_rpi" != "xno"; then
 274   AC_DEFINE([HAVE_RPI_API],[1],[Define to 1 to include RPi support])
 275   AM_CONDITIONAL(USE_RPI_API, true)
 276   features="$features\n  Raspberry Pi support :\t\tyes"
 277   LIB_INFO="$LIB_INFO 'RPi'"
 278 else
 279   AM_CONDITIONAL(USE_RPI_API, false)
 280   features="$features\n  Raspberry Pi support :\t\tno"
 281 fi
 282
 283 ## mark TDA995x support as available
 284 if test "x$use_tda995x" != "xno"; then
 285   AC_DEFINE([HAVE_TDA995X_API],[1],[Define to 1 to include CuBox support])
 286   AM_CONDITIONAL(USE_TDA995X_API, true)
 287   features="$features\n  TDA995x support :\t\t\tyes"
 288   LIB_INFO="$LIB_INFO 'TDA995x'"
 289   CPPFLAGS="$CPPFLAGS $TDA995X_CFLAGS"
 290 else
 291   AM_CONDITIONAL(USE_TDA995X_API, false)
 292   features="$features\n  TDA995x support :\t\t\tno"
 293 fi
 294
 295 ## mark Exynos support as available
 296 if test "x$use_exynos" != "xno"; then
 297   AC_DEFINE([HAVE_EXYNOS_API],[1],[Define to 1 to include Exynos support])
 298   AM_CONDITIONAL(USE_EXYNOS_API, true)
 299   features="$features\n  Exynos support :\t\t\tyes"
 300   LIB_INFO="$LIB_INFO 'EXYNOS'"
 301   CPPFLAGS="$CPPFLAGS $EXYNOS_CFLAGS"
 302 else
 303   AM_CONDITIONAL(USE_EXYNOS_API, false)
 304   features="$features\n  EXYNOS support :\t\t\tno"
 305 fi
 306
 307
 308 ## check if our build system is complete
 309 AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
 310 AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 311 AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
 312 AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
 313 AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
 314 AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
 315 AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
 316 AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
 317 AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
 318 AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
 319 AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
 320 AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
 321 AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
 322 AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
 323 AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
 324 AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
 325 AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
 326 AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
 327 AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
 328 AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
 329 AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
 330 AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
 331 AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
 332 AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
 333 AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 334 AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
 335 AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
 336 AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
 337 AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
 338 AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
 339 AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
 340 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])
 341
 342 ## add the build date to LIB_INFO
 343 AC_CHECK_PROG(HAVE_GIT, git, yes)
 344 if test "x$HAVE_GIT" = "xyes"; then
 345   revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
 346 fi
 347 if test "x$revision" != "x"; then
 348   LIB_INFO="$LIB_INFO, git revision: ${revision}"
 349 fi
 350
 351 AC_CHECK_PROG(HAVE_DATE, date, yes)
 352 if test "x$HAVE_DATE" = "xyes"; then
 353   LIB_INFO="$LIB_INFO, compiled on: `date -u`"
 354 else
 355   LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
 356 fi
 357
 358 ## add the name of the user who built libCEC to LIB_INFO
 359 AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
 360 if test "x$HAVE_WHOAMI" = "xyes" ; then
 361   LIB_INFO="$LIB_INFO by `whoami`"
 362 else
 363   LIB_INFO="$LIB_INFO by (unknown user)"
 364 fi
 365
 366 ## add the hostname of the build host of libCEC to LIB_INFO
 367 AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
 368 if test "x$HAVE_HOSTNAME" = "xyes"; then
 369   LIB_INFO="$LIB_INFO@`hostname -f`"
 370 fi
 371
 372 ## add the system info of the build host of libCEC to LIB_INFO
 373 AC_CHECK_PROG(HAVE_UNAME, uname, yes)
 374 if test "x$HAVE_UNAME" = "xyes"; then
 375   LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
 376 fi
 377
 378 ## redefine the LIBS, so cec-client isn't linked against things they don't need
 379 LIBS_LIBCEC="$LIBS"
 380 LIBS="$libs_client"
 381
 382 CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers $SUPPRESS_MANGLING_WARNINGS"
 383
 384 if test "x$use_debug" = "xyes"; then
 385   CXXFLAGS="$CXXFLAGS -g"
 386   AC_DEFINE(CEC_DEBUGGING,"1", "generate libCEC debug output")
 387 fi
 388
 389 if test "x$optimisation" = "xyes"; then
 390   CXXFLAGS="$CXXFLAGS -O2"
 391 fi
 392
 393 AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
 394
 395 AC_SUBST([REQUIRES])
 396 AC_SUBST([LIBS])
 397 AC_SUBST([LIBS_LIBCEC])
 398 AC_SUBST([LIB_INFO])
 399 AC_SUBST([USE_P8_USB])
 400 AC_SUBST([USE_P8_USB_DETECT])
 401 AC_SUBST([USE_RPI_API])
 402 AC_CONFIG_FILES([src/lib/libcec.pc])
 403 AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile])
 404
 405 cat <<EOB
 406
 407 ##############################################################################
 408
 409 libCEC version $VERSION configured
 410
 411 Compilation flags:
 412   CXXFLAGS :       $CXXFLAGS
 413   libCEC LDFLAGS : $LIBS_LIBCEC
 414   client LDFLAGS : $LIBS
 415
 416 EOB
 417
 418 echo -e "$features"
 419
 420 cat <<EOB
 421
 422 You can now build libCEC by running:
 423   make
 424
 425 ##############################################################################
 426
 427 EOB