| 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 |