configure.ac

   1 AC_PREREQ(2.59)
   2 AC_INIT([libcec], [1:8:0], [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])
   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="required library 'liblockdev' is missing"
  27 msg_required_header_missing="required header is missing"
  28
  29 ## debugging symbols
  30 AC_ARG_ENABLE([debug],
  31   [AS_HELP_STRING([--enable-debug],
  32   [include debug symbols (default is no)])],
  33   [use_debug=$enableval],
  34   [use_debug=no])
  35
  36 ## optimisation
  37 AC_ARG_ENABLE([optimisation],
  38   [AS_HELP_STRING([--enable-optimisation],
  39   [optimisation flag (default is yes)])],
  40   [use_optimisation=$enableval],
  41   [use_optimisation=yes])
  42
  43 ## add the top dir and include to the include path, so we can include config.h and cec.h
  44 CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
  45
  46 ## search for pkg-config
  47 AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
  48 if test "x$HAVE_PKG_CONFIG" != "xyes" ; then
  49   AC_MSG_WARN($msg_pkg_config_missing)
  50 fi
  51
  52 ## search for pthread, required by all targets
  53 AC_SEARCH_LIBS([pthread_create],[pthread],,AC_MSG_ERROR($msg_pthread_missing))
  54 AC_CHECK_FUNCS([pthread_mutexattr_init pthread_cond_init pthread_cond_destroy pthread_cond_signal pthread_cond_broadcast pthread_cond_wait pthread_cond_timedwait])
  55
  56 ## search for dlopen, required by all targets
  57 AC_SEARCH_LIBS([dlopen], [dl],
  58   [test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
  59   AC_MSG_ERROR($msg_dl_missing))
  60 AC_CHECK_FUNCS([dlopen dlcose dlsym])
  61
  62 ## platform specific libs, required by all targets
  63 case "${host}" in
  64   *-*-linux*)
  65     # for timeutils
  66     LIBS="$LIBS -lrt"
  67     ;;
  68   *-apple-darwin*)
  69     LIBS="$LIBS -framework CoreVideo -framework IOKit"
  70     ;;
  71 esac
  72
  73 ## we found all the libs and headers that we need for the client applications
  74 libs_client="$LIBS"
  75
  76 ## search for udev, lockdev and the RPi API, only required by libCEC
  77 use_udev="no"
  78 use_adapter_detection="yes"
  79 case "${host}" in
  80   *-*-linux*)
  81     ## search for udev if pkg-config was found
  82     if test "x$HAVE_PKG_CONFIG" = "xyes" ; then
  83       PKG_CHECK_MODULES([UDEV],[libudev],use_udev="yes",AC_MSG_WARN($msg_udev_missing))
  84     fi
  85
  86     ## we need dirent.h on linux too
  87     if test "$use_udev" = "yes"; then
  88       AC_CHECK_HEADER(dirent.h,,[use_udev="no";AC_MSG_WARN($msg_dirent_missing)])
  89     fi
  90
  91     if test "$use_udev" != "yes"; then
  92       use_adapter_detection="no"
  93     fi
  94
  95     ## search for lockdev
  96     AC_CHECK_HEADER(lockdev.h,,AC_MSG_ERROR($msg_lockdev_missing))
  97     AC_CHECK_LIB(lockdev,dev_unlock,,AC_MSG_ERROR($msg_lockdev_missing))
  98
  99     AC_CHECK_HEADER(time.h,,AC_MSG_ERROR($msg_required_header_missing))
 100     AC_CHECK_HEADER(sys/prctl.h,,AC_MSG_ERROR($msg_required_header_missing))
 101     ;;
 102   *-apple-darwin*)
 103     AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
 104     AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
 105     ;;
 106 esac
 107
 108 ## define the build info
 109 LIB_INFO="host: ${host}, features:"
 110
 111 features="Configured features:\n  Pulse-Eight CEC Adapter :\t\tyes"
 112 LIB_INFO="$LIB_INFO 'P8 USB'"
 113 AC_DEFINE([HAVE_P8_USB],[1],[Define to 1 to include support for the Pulse-Eight USB-CEC Adapter])
 114 AM_CONDITIONAL(USE_P8_USB, true)
 115
 116 ## mark adapter detection as available if the required deps were found
 117 if test "x$use_adapter_detection" = "xyes"; then
 118   ## mark udev as available if it was found
 119   if test "x$use_udev" = "xyes"; then
 120     INCLUDES="$INCLUDES $UDEV_CFLAGS"
 121     LIBS="$LIBS $UDEV_LIBS"
 122     AC_DEFINE([HAVE_LIBUDEV],[1],[Define to 1 if libudev is installed])
 123     REQUIRES="$REQUIRES udev"
 124   fi
 125
 126   AC_DEFINE([HAVE_P8_USB_DETECT],[1],[Define to 1 to include autodetection support for the Pulse-Eight USB-CEC Adapter])
 127   AM_CONDITIONAL(USE_P8_USB_DETECT, true)
 128
 129   features="$features\n  Pulse-Eight CEC Adapter detection :\tyes"
 130   LIB_INFO="$LIB_INFO 'P8 USB detect'"
 131 else
 132   AM_CONDITIONAL(USE_P8_USB_DETECT, false)
 133   features="$features\n  Pulse-Eight CEC Adapter detection :\tno"
 134 fi
 135
 136 ## check if our build system is complete
 137 AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
 138 AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 139 AC_CHECK_HEADER(dlfcn.h,,AC_MSG_ERROR($msg_required_header_missing))
 140 AC_CHECK_HEADER(errno.h,,AC_MSG_ERROR($msg_required_header_missing))
 141 AC_CHECK_HEADER(fcntl.h,,AC_MSG_ERROR($msg_required_header_missing))
 142 AC_CHECK_HEADER(functional,,AC_MSG_ERROR($msg_required_header_missing))
 143 AC_CHECK_HEADER(locale,,AC_DEFINE([SS_NO_LOCALE],[1],[Define to 1 to exclude locale support]))
 144 AC_CHECK_HEADER(map,,AC_MSG_ERROR($msg_required_header_missing))
 145 AC_CHECK_HEADER(netdb.h,,AC_MSG_ERROR($msg_required_header_missing))
 146 AC_CHECK_HEADER(poll.h,,AC_MSG_ERROR($msg_required_header_missing))
 147 AC_CHECK_HEADER(pthread.h,,AC_MSG_ERROR($msg_required_header_missing))
 148 AC_CHECK_HEADER(queue,,AC_MSG_ERROR($msg_required_header_missing))
 149 AC_CHECK_HEADER(semaphore.h,,AC_MSG_ERROR($msg_required_header_missing))
 150 AC_CHECK_HEADER(set,,AC_MSG_ERROR($msg_required_header_missing))
 151 AC_CHECK_HEADER(stdarg.h,,AC_MSG_ERROR($msg_required_header_missing))
 152 AC_CHECK_HEADER(stdint.h,,AC_MSG_ERROR($msg_required_header_missing))
 153 AC_CHECK_HEADER(stdio.h,,AC_MSG_ERROR($msg_required_header_missing))
 154 AC_CHECK_HEADER(stdlib.h,,AC_MSG_ERROR($msg_required_header_missing))
 155 AC_CHECK_HEADER(string,,AC_MSG_ERROR($msg_required_header_missing))
 156 AC_CHECK_HEADER(string.h,,AC_MSG_ERROR($msg_required_header_missing))
 157 AC_CHECK_HEADER(termios.h,,AC_MSG_ERROR($msg_required_header_missing))
 158 AC_CHECK_HEADER(unistd.h,,AC_MSG_ERROR($msg_required_header_missing))
 159 AC_CHECK_HEADER(vector,,AC_MSG_ERROR($msg_required_header_missing))
 160 AC_CHECK_HEADER(wchar.h,,AC_MSG_ERROR($msg_required_header_missing))
 161 AC_CHECK_HEADER(wctype.h,,AC_MSG_ERROR($msg_required_header_missing))
 162 AC_CHECK_HEADER(arpa/inet.h,,AC_MSG_ERROR($msg_required_header_missing))
 163 AC_CHECK_HEADER(netinet/in.h,,AC_MSG_ERROR($msg_required_header_missing))
 164 AC_CHECK_HEADER(netinet/tcp.h,,AC_MSG_ERROR($msg_required_header_missing))
 165 AC_CHECK_HEADER(sys/socket.h,,AC_MSG_ERROR($msg_required_header_missing))
 166 AC_CHECK_HEADER(sys/time.h,,AC_MSG_ERROR($msg_required_header_missing))
 167 AC_CHECK_HEADER(sys/types.h,,AC_MSG_ERROR($msg_required_header_missing))
 168 AC_CHECK_FUNCS([close fcntl select write read shutdown send recv memset sprintf getaddrinfo getsockopt setsockopt connect poll sched_yield open strerror tcsetattr tcgetattr cfsetispeed cfsetospeed bind freeaddrinfo listen accept socket])
 169
 170 ## add the build date to LIB_INFO
 171 AC_CHECK_PROG(HAVE_GIT, git, yes)
 172 if test "x$HAVE_GIT" = "xyes"; then
 173   revision=$(git --no-pager log --abbrev=7 -n 1 --pretty=format:"%h" HEAD)
 174 fi
 175 if test "x$revision" != "x"; then
 176   LIB_INFO="$LIB_INFO, git revision: ${revision}"
 177 fi
 178
 179 AC_CHECK_PROG(HAVE_DATE, date, yes)
 180 if test "x$HAVE_DATE" = "xyes"; then
 181   LIB_INFO="$LIB_INFO, compiled on: `date -u`"
 182 else
 183   LIB_INFO="$LIB_INFO, compiled on: (unknown date)"
 184 fi
 185
 186 ## add the name of the user who built libCEC to LIB_INFO
 187 AC_CHECK_PROG(HAVE_WHOAMI, whoami, yes)
 188 if test "x$HAVE_WHOAMI" = "xyes" ; then
 189   LIB_INFO="$LIB_INFO by `whoami`"
 190 else
 191   LIB_INFO="$LIB_INFO by (unknown user)"
 192 fi
 193
 194 ## add the hostname of the build host of libCEC to LIB_INFO
 195 AC_CHECK_PROG(HAVE_HOSTNAME, hostname, yes)
 196 if test "x$HAVE_HOSTNAME" = "xyes"; then
 197   LIB_INFO="$LIB_INFO@`hostname -f`"
 198 fi
 199
 200 ## add the system info of the build host of libCEC to LIB_INFO
 201 AC_CHECK_PROG(HAVE_UNAME, uname, yes)
 202 if test "x$HAVE_UNAME" = "xyes"; then
 203   LIB_INFO="$LIB_INFO on `uname -s` `uname -r` (`uname -m`)"
 204 fi
 205
 206 ## redefine the LIBS, so cec-client and cec-config aren't linked against things they don't need
 207 LIBS_LIBCEC="$LIBS"
 208 LIBS="$libs_client"
 209
 210 CXXFLAGS="$CXXFLAGS -fPIC -Wall -Wextra -Wno-missing-field-initializers"
 211
 212 if test "x$use_debug" = "xyes"; then
 213   CXXFLAGS="$CXXFLAGS -g"
 214 fi
 215
 216 if test "x$optimisation" = "xyes"; then
 217   CXXFLAGS="$CXXFLAGS -O2"
 218 fi
 219
 220 AC_DEFINE_UNQUOTED(LIB_INFO,"$LIB_INFO", "information about how libCEC was compiled")
 221
 222 AC_SUBST([REQUIRES])
 223 AC_SUBST([LIBS])
 224 AC_SUBST([LIBS_LIBCEC])
 225 AC_SUBST([LIB_INFO])
 226 AC_SUBST([USE_P8_USB])
 227 AC_SUBST([USE_P8_USB_DETECT])
 228 AC_SUBST([USE_RPI_API])
 229 AC_CONFIG_FILES([src/lib/libcec.pc])
 230 AC_OUTPUT([Makefile src/lib/Makefile src/testclient/Makefile src/cec-config/Makefile])
 231
 232 cat <<EOB
 233
 234 ##############################################################################
 235
 236 libCEC version $VERSION configured
 237
 238 Compilation flags:
 239   CXXFLAGS :       $CXXFLAGS
 240   libCEC LDFLAGS : $LIBS_LIBCEC
 241   client LDFLAGS : $LIBS
 242
 243 EOB
 244
 245 echo -e "$features"
 246
 247 cat <<EOB
 248
 249 You can now build libCEC by running:
 250   make
 251
 252 ##############################################################################
 253
 254 EOB