configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 m4_define([lxc_version_major], 1)
   5 m4_define([lxc_version_minor], 0)
   6 m4_define([lxc_version_micro], 0)
   7 m4_define([lxc_version_beta], [beta1])
   8
   9 m4_define([lxc_version_base], [lxc_version_major.lxc_version_minor.lxc_version_micro])
  10 m4_define([lxc_version],
  11           [ifelse(lxc_version_beta, [], [lxc_version_base], [lxc_version_base.lxc_version_beta])])
  12
  13 AC_INIT([lxc], [lxc_version])
  14 AC_SUBST(LXC_VERSION_BASE, lxc_version_base)
  15 AC_SUBST(LXC_VERSION_BETA, lxc_version_beta)
  16
  17 AC_SUBST([LXC_VERSION_MAJOR], [lxc_version_major])
  18 AC_SUBST([LXC_VERSION_MINOR], [lxc_version_minor])
  19 AC_SUBST([LXC_VERSION_MICRO], [lxc_version_micro])
  20 AC_SUBST([LXC_VERSION], [lxc_version])
  21
  22 AC_CONFIG_SRCDIR([configure.ac])
  23 AC_CONFIG_AUX_DIR([config])
  24 AC_CONFIG_HEADERS([src/config.h])
  25 AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability subdir-objects])
  26 AC_CANONICAL_HOST
  27 AM_PROG_CC_C_O
  28 AC_GNU_SOURCE
  29
  30 # Detect the distribution. This is used for the default configuration and
  31 # for some distro-specific build options.
  32 AC_MSG_CHECKING([host distribution])
  33 AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the Linux distribution to target: One of redhat, oracle, centos, fedora, suse, gentoo, debian, arch, slackware, paldo, openmandriva or pardus.]))
  34 if test "z$with_distro" = "z"; then
  35         with_distro=`lsb_release -is`
  36 fi
  37 if test "z$with_distro" = "z"; then
  38         AC_CHECK_FILE(/etc/redhat-release,with_distro="redhat")
  39         AC_CHECK_FILE(/etc/oracle-release,with_distro="oracle")
  40         AC_CHECK_FILE(/etc/centos-release,with_distro="centos")
  41         AC_CHECK_FILE(/etc/fedora-release,with_distro="fedora")
  42         AC_CHECK_FILE(/etc/SuSE-release,with_distro="suse")
  43         AC_CHECK_FILE(/etc/gentoo-release,with_distro="gentoo")
  44         AC_CHECK_FILE(/etc/debian_version,with_distro="debian")
  45         AC_CHECK_FILE(/etc/arch-release,with_distro="arch")
  46         AC_CHECK_FILE(/etc/slackware-version,with_distro="slackware")
  47         AC_CHECK_FILE(/etc/frugalware-release,with_distro="frugalware")
  48         AC_CHECK_FILE(/etc/mandrakelinux-release, with_distro="openmandriva")
  49         AC_CHECK_FILE(/etc/mandriva-release,with_distro="openmandriva")
  50         AC_CHECK_FILE(/etc/pardus-release,with_distro="pardus")
  51 fi
  52 with_distro=`echo ${with_distro} | tr '[[:upper:]]' '[[:lower:]]'`
  53
  54 if test "z$with_distro" = "z"; then
  55         with_distro="unknown"
  56 fi
  57 case $with_distro in
  58         ubuntu)
  59                 distroconf=default.conf.ubuntu
  60                 ;;
  61         redhat|centos|fedora|oracle|oracleserver)
  62                 distroconf=default.conf.libvirt
  63                 ;;
  64         *)
  65                 echo -n "Linux distribution network config unknown, defaulting to lxc.network.type = empty"
  66                 distroconf=default.conf.unknown
  67                 ;;
  68 esac
  69 AC_MSG_RESULT([$with_distro])
  70 AM_CONDITIONAL([HAVE_DEBIAN], [test x"$with_distro" = "xdebian" -o x"$with_distro" = "xubuntu"])
  71 AM_CONDITIONAL([DISTRO_UBUNTU], [test "x$with_distro" = "xubuntu"])
  72
  73 # Check for init system type
  74 AC_MSG_CHECKING([for init system type])
  75 AC_ARG_WITH([init-script],
  76             [AC_HELP_STRING([--with-init-script@<:@=TYPE@:>@],
  77                             [Type of init script to install: sysv, systemd, upstart,
  78                              distro, none @<:@default=distro@:>@])],[],[with_init_script=distro])
  79 case "$with_init_script" in
  80         sysv)
  81                 init_script=sysv
  82                 ;;
  83         systemd)
  84                 init_script=systemd
  85                 ;;
  86         upstart)
  87                 init_script=upstart
  88                 ;;
  89         none)
  90                 ;;
  91         distro)
  92                 case $with_distro in
  93                         fedora)
  94                                 init_script=systemd
  95                                 ;;
  96                         redhat|centos|oracle|oracleserver)
  97                                 init_script=sysv
  98                                 ;;
  99                         ubuntu)
 100                                 init_script=upstart
 101                                 ;;
 102                         *)
 103                                 echo -n "Linux distribution init system unknown, defaulting to sysv"
 104                                 init_script=sysv
 105                                 ;;
 106                 esac
 107                 ;;
 108         *)
 109                 AC_MSG_ERROR([Unknown init system type $with_init_script])
 110                 ;;
 111 esac
 112 AM_CONDITIONAL([INIT_SCRIPT_SYSV], test "$init_script" = "sysv")
 113 AM_CONDITIONAL([INIT_SCRIPT_SYSTEMD], test "$init_script" = "systemd")
 114 AM_CONDITIONAL([INIT_SCRIPT_UPSTART], test "$init_script" = "upstart")
 115 AC_MSG_RESULT($init_script)
 116
 117 # Allow disabling rpath
 118 AC_ARG_ENABLE([rpath],
 119         [AC_HELP_STRING([--enable-rpath], [set rpath in executables [default=no]])],
 120         [], [enable_rpath=no])
 121 AM_CONDITIONAL([ENABLE_RPATH], [test "x$enable_rpath" = "xyes"])
 122
 123 # Documentation (manpages)
 124 AC_ARG_ENABLE([doc],
 125         [AC_HELP_STRING([--enable-doc], [make man pages [default=auto]])],
 126         [], [enable_doc=auto])
 127
 128 if test "x$enable_doc" = "xyes" -o "x$enable_doc" = "xauto"; then
 129         db2xman=""
 130         dbparsers="docbook2x-man db2x_docbook2man docbook2man"
 131
 132         AC_MSG_CHECKING(for docbook2x-man)
 133         for name in ${dbparsers}; do
 134                 if "$name" --help >/dev/null 2>&1; then
 135                         db2xman="$name"
 136                         break;
 137                 fi
 138         done
 139
 140         if test -n "${db2xman}"; then
 141                 AC_MSG_RESULT([${db2xman}])
 142                 enable_doc="yes"
 143         else
 144                 AC_MSG_RESULT([no])
 145                 if test "x$enable_doc" = "xyes"; then
 146                         AC_MSG_ERROR([docbook2x-man is required, but could not be found])
 147                 fi
 148                 enable_doc="no"
 149         fi
 150
 151         AC_SUBST(db2xman)
 152 fi
 153 AM_CONDITIONAL([ENABLE_DOCBOOK], [test "x$db2xman" != "x"])
 154 AM_CONDITIONAL([USE_DOCBOOK2X], [test "x$db2xman" != "xdocbook2man"])
 155
 156 if test "x$db2xman" = "xdocbook2man"; then
 157         docdtd="\"-//Davenport//DTD DocBook V3.0//EN\""
 158 else
 159         docdtd="\"-//OASIS//DTD DocBook XML\" \"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd\""
 160 fi
 161 AC_SUBST(docdtd)
 162
 163 # Documentation (API)
 164 AC_ARG_ENABLE([api-docs],
 165         [AC_HELP_STRING([--enable-api-docs],
 166         [make API documentation [default=auto]])],
 167         [], [enable_api_docs=auto])
 168
 169 if test "x$enable_api_docs" = "xyes" -o "x$enable_api_docs" = "xauto"; then
 170         AC_CHECK_PROGS([HAVE_DOXYGEN],[doxygen])
 171         AC_SUBST([HAVE_DOXYGEN])
 172
 173         if test "x$HAVE_DOXYGEN" != "x"; then
 174                 enable_api_docs="yes"
 175         else
 176                 if test "x$enable_api_docs" = "xyes"; then
 177                         AC_MSG_ERROR([doxygen is required, but could not be found])
 178                 fi
 179                 enable_api_docs="no"
 180         fi
 181 fi
 182
 183 AM_CONDITIONAL([ENABLE_API_DOCS], [test "x$HAVE_DOXYGEN" != "x"])
 184
 185 # Apparmor
 186 AC_ARG_ENABLE([apparmor],
 187         [AC_HELP_STRING([--enable-apparmor], [enable apparmor support [default=auto]])],
 188         [], [enable_apparmor=auto])
 189
 190 if test "$enable_apparmor" = "auto" ; then
 191         AC_CHECK_LIB([apparmor],[aa_change_profile],[enable_apparmor=yes], [enable_apparmor=no])
 192 fi
 193 AM_CONDITIONAL([ENABLE_APPARMOR], [test "x$enable_apparmor" = "xyes"])
 194
 195 AC_CHECK_LIB([gnutls], [gnutls_hash_fast], [enable_gnutls=yes], [enable_gnutls=no])
 196
 197 AM_COND_IF([ENABLE_APPARMOR],
 198         [AC_CHECK_HEADER([sys/apparmor.h],[],[AC_MSG_ERROR([You must install the AppArmor development package in order to compile lxc])])
 199         AC_CHECK_LIB([apparmor], [aa_change_profile],[],[AC_MSG_ERROR([You must install the AppArmor development package in order to compile lxc])])
 200         AC_SUBST([APPARMOR_LIBS], [-lapparmor])])
 201
 202 # SELinux
 203 AC_ARG_ENABLE([selinux],
 204         [AC_HELP_STRING([--enable-selinux], [enable SELinux support [default=auto]])],
 205         [], [enable_selinux=auto])
 206
 207 if test "x$enable_selinux" = xauto; then
 208         AC_CHECK_LIB([selinux],[setexeccon_raw],[enable_selinux=yes],[enable_selinux=no])
 209 fi
 210 AM_CONDITIONAL([ENABLE_SELINUX], [test "x$enable_selinux" = "xyes"])
 211 AM_COND_IF([ENABLE_SELINUX],
 212         [AC_CHECK_HEADER([selinux/selinux.h],[],[AC_MSG_ERROR([You must install the SELinux development package in order to compile lxc])])
 213         AC_CHECK_LIB([selinux], [setexeccon_raw],[],[AC_MSG_ERROR([You must install the SELinux development package in order to compile lxc])])
 214         AC_SUBST([SELINUX_LIBS])])
 215
 216 # Seccomp syscall filter
 217 AC_ARG_ENABLE([seccomp],
 218         [AC_HELP_STRING([--enable-seccomp], [enable seccomp support [default=auto]])],
 219         [], [enable_seccomp=auto])
 220
 221 if test "x$enable_seccomp" = "xauto" ; then
 222         AC_CHECK_LIB([seccomp],[seccomp_init],[enable_seccomp=yes],[enable_seccomp=no])
 223 fi
 224 AM_CONDITIONAL([ENABLE_SECCOMP], [test "x$enable_seccomp" = "xyes"])
 225
 226 AM_COND_IF([ENABLE_SECCOMP],
 227         [AC_CHECK_HEADER([seccomp.h],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])])
 228         AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])])
 229         AC_SUBST([SECCOMP_LIBS], [-lseccomp])])
 230
 231 # Linux capabilities
 232 AC_ARG_ENABLE([capabilities],
 233         [AC_HELP_STRING([--enable-capabilities], [enable kernel capabilities support [default=auto]])],
 234         [], [enable_capabilities=auto])
 235
 236 if test "x$enable_capabilities" = "xauto"; then
 237         AC_CHECK_LIB([cap],[cap_set_proc],[enable_capabilities=yes],[enable_capabilities=no])
 238 fi
 239 AM_CONDITIONAL([ENABLE_CAP], [test "x$enable_capabilities" = "xyes"])
 240
 241 AM_COND_IF([ENABLE_CAP],
 242         [AC_CHECK_LIB(cap,cap_set_proc,[],[AC_MSG_ERROR([You are missing libcap support.])])
 243         AC_SUBST([CAP_LIBS], [-lcap])])
 244
 245 # HAVE_SCMP_FILTER_CTX=1 will tell us we have libseccomp api >= 1.0.0
 246 AC_CHECK_TYPES([scmp_filter_ctx], [], [], [[#include <seccomp.h>]])
 247
 248 # Configuration examples
 249 AC_ARG_ENABLE([examples],
 250         [AC_HELP_STRING([--enable-examples], [install examples [default=yes]])],
 251         [], [enable_examples=yes])
 252 AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" = "xyes"])
 253
 254 # We need pkg-config
 255 PKG_PROG_PKG_CONFIG
 256
 257 # Python3 module and scripts
 258 AC_ARG_ENABLE([python],
 259         [AC_HELP_STRING([--enable-python], [enable python binding [default=auto]])],
 260         [], [enable_python=auto])
 261
 262 if test "x$enable_python" = "xauto"; then
 263         PKG_CHECK_MODULES([PYTHONDEV], [python3 >= 3.2],[enable_python=yes],[enable_python=no])
 264         if test "$CC" = "clang"; then
 265                 enable_python=no
 266         fi
 267 fi
 268
 269 if test "x$enable_python" = "xyes" && test "$CC" = "clang"; then
 270         AC_MSG_ERROR([Python3 is incompatible with the clang compiler])
 271 fi
 272
 273 AM_CONDITIONAL([ENABLE_PYTHON], [test "x$enable_python" = "xyes"])
 274
 275 AM_COND_IF([ENABLE_PYTHON],
 276         [AM_PATH_PYTHON([3.2], [], [AC_MSG_ERROR([You must install python3])])
 277         PKG_CHECK_MODULES([PYTHONDEV], [python3 >= 3.2],[],[AC_MSG_ERROR([You must install python3-dev])])
 278         AC_DEFINE_UNQUOTED([ENABLE_PYTHON], 1, [Python3 is available])])
 279
 280 # Enable dumping stack traces
 281 AC_ARG_ENABLE([mutex-debugging],
 282         [AC_HELP_STRING([--enable-mutex-debugging], [Makes mutexes to report error and provide stack trace [default=no]])],
 283         [], [enable_mutex_debugging=no])
 284 AM_CONDITIONAL([MUTEX_DEBUGGING], [test "x$enable_mutex_debugging" = "xyes"])
 285
 286 AM_COND_IF([MUTEX_DEBUGGING],
 287         AC_DEFINE_UNQUOTED([MUTEX_DEBUGGING], 1, [Enabling mutex debugging]))
 288
 289 # Not in older autoconf versions
 290 # AS_VAR_COPY(DEST, SOURCE)
 291 # -------------------------
 292 # Set the polymorphic shell variable DEST to the contents of the polymorphic
 293 # shell variable SOURCE.
 294 m4_ifdef([AS_VAR_COPY], [],
 295 [AC_DEFUN([AS_VAR_COPY],
 296     [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])
 297 ])
 298
 299 dnl PKG_CHECK_VAR was introduced with pkg-config 0.28
 300 m4_ifdef([PKG_CHECK_VAR], [],
 301 [AC_DEFUN([PKG_CHECK_VAR],
 302     [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
 303      AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
 304      _PKG_CONFIG([$1], [variable="][$3]["], [$2])
 305      AS_VAR_COPY([$1], [pkg_cv_][$1])
 306      AS_VAR_IF([$1], [""], [$5], [$4])dnl
 307     ])# PKG_CHECK_VAR
 308 ])
 309
 310 # Lua module and scripts
 311 AC_ARG_ENABLE([lua],
 312         [AC_HELP_STRING([--enable-lua], [enable lua binding [default=auto]])],
 313         [], [enable_lua=auto])
 314
 315 AC_ARG_WITH([lua-pc],
 316         [AS_HELP_STRING(
 317                 [--with-lua-pc=PKG],
 318                 [Specify pkg-config package name for lua]
 319         )], [], [with_lua_pc=no])
 320
 321 if test "x$enable_lua" = "xyes" -a "x$with_lua_pc" != "xno"; then
 322         # exit with error if not found
 323         PKG_CHECK_MODULES([LUA], [$with_lua_pc], [LUAPKGCONFIG=$with_lua_pc])
 324 fi
 325
 326 if test "x$enable_lua" = "xauto" -a "x$with_lua_pc" != "xno"; then
 327         PKG_CHECK_MODULES([LUA], [$with_lua_pc],
 328                 [LUAPKGCONFIG=$with_lua_pc
 329                 enable_lua=yes],
 330                 [enable_lua=no])
 331 fi
 332
 333 if test "x$enable_lua" != "xno"; then
 334         PKG_CHECK_MODULES([LUA], [lua], [LUAPKGCONFIG=lua],
 335                 [PKG_CHECK_MODULES([LUA], [lua5.2], [LUAPKGCONFIG=lua5.2],
 336                         [PKG_CHECK_MODULES([LUA], [lua5.1], [LUAPKGCONFIG=lua5.1],
 337                                 [AS_IF([test "x$enable_lua" = "xyes"],
 338                                         [AC_MSG_ERROR([Lua not found. Please use --with-lua-pc=PKG])],
 339                                         [enable_lua=no])]
 340                         )]
 341                 )])
 342         AS_IF([test "x$LUAPKGCONFIG" != "x"], [enable_lua=yes])
 343 fi
 344
 345 AM_CONDITIONAL([ENABLE_LUA],
 346         [test "x$enable_lua" = "xyes"])
 347
 348 AM_COND_IF([ENABLE_LUA],
 349         [AC_MSG_CHECKING([Lua version])
 350         PKG_CHECK_VAR([LUA_VERSION], [$LUAPKGCONFIG], [V],,
 351                 [PKG_CHECK_VAR([LUA_VERSION], [$LUAPKGCONFIG], [major_version])])
 352         AC_MSG_RESULT([$LUA_VERSION])
 353         PKG_CHECK_VAR([LUA_INSTALL_CMOD], [$LUAPKGCONFIG], [INSTALL_CMOD],,
 354                 [LUA_INSTALL_CMOD=$libdir/lua/$LUA_VERSION])
 355         PKG_CHECK_VAR([LUA_INSTALL_LMOD], [$LUAPKGCONFIG], [INSTALL_LMOD],,
 356                 [LUA_INSTALL_LMOD=$datadir/lua/$LUA_VERSION])
 357         ])
 358
 359 # Optional test binaries
 360 AC_ARG_ENABLE([tests],
 361         [AC_HELP_STRING([--enable-tests], [build test/example binaries [default=no]])],
 362         [], [enable_tests=no])
 363 AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = "xyes"])
 364
 365 # LXC container path, where the containers are actually stored
 366 # This is overridden by an entry in the file called LXCCONF
 367 # (i.e. /etc/lxc/lxc.conf)
 368 AC_ARG_WITH([config-path],
 369         [AC_HELP_STRING(
 370                 [--with-config-path=dir],
 371                 [lxc configuration repository path]
 372         )], [], [with_config_path=['${localstatedir}/lib/lxc']])
 373
 374 # The path of the global lxc configuration file.
 375 AC_ARG_WITH([global-conf],
 376         [AC_HELP_STRING(
 377                 [--with-global-conf=dir],
 378                 [global lxc configuration file]
 379         )], [], [with_global_conf=['${sysconfdir}/lxc/lxc.conf']])
 380
 381 # The path of the userns network configuration file
 382 AC_ARG_WITH([usernic-conf],
 383         [AC_HELP_STRING(
 384                 [--with-usernic-conf],
 385                 [user network interface configuration file]
 386         )], [], [with_usernic_conf=['${sysconfdir}/lxc/lxc-usernet']])
 387
 388 # The path of the runtime usernic database
 389 AC_ARG_WITH([usernic-db],
 390         [AC_HELP_STRING(
 391                 [--with-usernic-db],
 392                 [lxc user nic database]
 393         )], [], [with_usernic_db=['/run/lxc/nics']])
 394
 395 # Rootfs path, where the container mount structure is assembled
 396 AC_ARG_WITH([rootfs-path],
 397         [AC_HELP_STRING(
 398                 [--with-rootfs-path=dir],
 399                 [lxc rootfs mount point]
 400         )], [], [with_rootfs_path=['${libdir}/lxc/rootfs']])
 401
 402 # cgroup pattern specification
 403 AC_ARG_WITH([cgroup-pattern],
 404         [AC_HELP_STRING(
 405                 [--with-cgroup-pattern=pattern],
 406                 [pattern for container cgroups]
 407         )], [], [with_cgroup_pattern=['/lxc/%n']])
 408
 409 # Container log path.  By default, use $lxcpath.
 410 AC_MSG_CHECKING([Whether to place logfiles in container config path])
 411 AC_ARG_ENABLE([configpath-log],
 412         [AC_HELP_STRING([--enable-configpath-log], [use logfiles in config path [default=no]])],
 413         [], [enable_configpath_log=no])
 414 AC_MSG_RESULT([$enable_configpath_log])
 415 AM_CONDITIONAL([USE_CONFIGPATH_LOGS], [test "$enable_configpath_log" = "yes"])
 416
 417 if test "$enable_configpath_log" = "yes"; then
 418         default_log_path="${with_config_path}"
 419 else
 420         default_log_path="${localstatedir}/log/lxc"
 421 fi
 422
 423 AC_ARG_WITH([log-path],
 424         [AC_HELP_STRING(
 425                 [--with-log-path=dir],
 426                 [per container log path]
 427         )], [], [with_log_path=['${default_log_path}']])
 428
 429 # Expand some useful variables
 430 AS_AC_EXPAND(PREFIX, "$prefix")
 431 AS_AC_EXPAND(LIBDIR, "$libdir")
 432 AS_AC_EXPAND(BINDIR, "$bindir")
 433 AS_AC_EXPAND(LIBEXECDIR, "$libexecdir")
 434 AS_AC_EXPAND(INCLUDEDIR, "$includedir")
 435 AS_AC_EXPAND(SYSCONFDIR, "$sysconfdir")
 436 AS_AC_EXPAND(LXC_DEFAULT_CONFIG, "$sysconfdir/lxc/default.conf")
 437 AS_AC_EXPAND(DATADIR, "$datadir")
 438 AS_AC_EXPAND(LOCALSTATEDIR, "$localstatedir")
 439 AS_AC_EXPAND(DOCDIR, "$docdir")
 440 AS_AC_EXPAND(LXC_DISTRO_CONF, "$distroconf")
 441 AS_AC_EXPAND(LXC_GENERATE_DATE, "$(date)")
 442 AS_AC_EXPAND(LXCPATH, "$with_config_path")
 443 AS_AC_EXPAND(LXC_GLOBAL_CONF, "$with_global_conf")
 444 AS_AC_EXPAND(LXC_USERNIC_CONF, "$with_usernic_conf")
 445 AS_AC_EXPAND(LXC_USERNIC_DB, "$with_usernic_db")
 446 AS_AC_EXPAND(LXCROOTFSMOUNT, "$with_rootfs_path")
 447 AS_AC_EXPAND(LXCTEMPLATEDIR, "$datadir/lxc/templates")
 448 AS_AC_EXPAND(LXCTEMPLATECONFIG, "$datadir/lxc/config")
 449 AS_AC_EXPAND(LXCHOOKDIR, "$datadir/lxc/hooks")
 450 AS_AC_EXPAND(LXCINITDIR, "$libexecdir")
 451 AS_AC_EXPAND(LOGPATH, "$with_log_path")
 452 AC_SUBST(DEFAULT_CGROUP_PATTERN, ["$with_cgroup_pattern"])
 453
 454 # Check for some standard kernel headers
 455 AC_CHECK_HEADERS([linux/unistd.h linux/netlink.h linux/genetlink.h],
 456                                 [],
 457                                 AC_MSG_ERROR([Please install the Linux kernel headers.]),
 458                                 [#include <sys/socket.h>])
 459
 460 # Check for alternate C libraries
 461 AC_MSG_CHECKING(for bionic libc)
 462 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 463         [[#ifndef __ANDROID__
 464 error: Not bionic!
 465 #endif]])],
 466         [is_bionic=yes],
 467         [is_bionic=no])
 468 if test "x$is_bionic" = "xyes"; then
 469         AC_DEFINE([IS_BIONIC], 1, [bionic libc])
 470         AC_MSG_RESULT([yes])
 471 else
 472         AC_MSG_RESULT([no])
 473 fi
 474 AM_CONDITIONAL([IS_BIONIC], [test "x$is_bionic" = "xyes"])
 475
 476 # Some systems lack PR_CAPBSET_DROP definition => HAVE_DECL_PR_CAPBSET_DROP
 477 AC_CHECK_DECLS([PR_CAPBSET_DROP], [], [], [#include <sys/prctl.h>])
 478
 479 # Check for some headers
 480 AC_CHECK_HEADERS([sys/signalfd.h pty.h ifaddrs.h sys/capability.h sys/personality.h utmpx.h sys/timerfd.h])
 481
 482 # Check for some syscalls functions
 483 AC_CHECK_FUNCS([setns pivot_root sethostname unshare rand_r confstr])
 484
 485 # Check for some functions
 486 AC_CHECK_LIB(pthread, main)
 487 AC_CHECK_FUNCS(pthread_atfork)
 488 AC_CHECK_LIB(util, openpty)
 489 AC_CHECK_FUNCS([openpty hasmntopt setmntent endmntent])
 490 AC_CHECK_FUNCS([getline],
 491         AM_CONDITIONAL(HAVE_GETLINE, true)
 492         AC_DEFINE(HAVE_GETLINE,1,[Have getline]),
 493         AM_CONDITIONAL(HAVE_GETLINE, false))
 494 AC_CHECK_FUNCS([fgetln],
 495         AM_CONDITIONAL(HAVE_FGETLN, true)
 496         AC_DEFINE(HAVE_FGETLN,1,[Have fgetln]),
 497         AM_CONDITIONAL(HAVE_FGETLN, false))
 498
 499 # Check for some libraries
 500 AC_SEARCH_LIBS(sem_open, [rt pthread])
 501 AC_SEARCH_LIBS(clock_gettime, [rt])
 502
 503 # Check for some standard binaries
 504 AC_PROG_GCC_TRADITIONAL
 505 AC_PROG_SED
 506
 507 # See if we support thread-local storage.
 508 LXC_CHECK_TLS
 509
 510 if test "x$GCC" = "xyes"; then
 511         CFLAGS="$CFLAGS -Wall -Werror"
 512 fi
 513
 514 # Files requiring some variable expansion
 515 AC_CONFIG_FILES([
 516         Makefile
 517         lxc.pc
 518         lxc.spec
 519
 520         config/Makefile
 521         config/etc/Makefile
 522         config/templates/Makefile
 523         config/templates/ubuntu-cloud.common.conf
 524         config/templates/ubuntu-cloud.lucid.conf
 525         config/templates/ubuntu-cloud.userns.conf
 526         config/templates/ubuntu.common.conf
 527         config/templates/ubuntu.lucid.conf
 528
 529         doc/Makefile
 530         doc/api/Makefile
 531         doc/legacy/lxc-ls.sgml
 532         doc/lxc-attach.sgml
 533         doc/lxc-autostart.sgml
 534         doc/lxc-cgroup.sgml
 535         doc/lxc-checkconfig.sgml
 536         doc/lxc-checkpoint.sgml
 537         doc/lxc-clone.sgml
 538         doc/lxc-console.sgml
 539         doc/lxc-create.sgml
 540         doc/lxc-destroy.sgml
 541         doc/lxc-device.sgml
 542         doc/lxc-execute.sgml
 543         doc/lxc-freeze.sgml
 544         doc/lxc-info.sgml
 545         doc/lxc-kill.sgml
 546         doc/lxc-ls.sgml
 547         doc/lxc-monitor.sgml
 548         doc/lxc-netstat.sgml
 549         doc/lxc-ps.sgml
 550         doc/lxc-restart.sgml
 551         doc/lxc-snapshot.sgml
 552         doc/lxc-start-ephemeral.sgml
 553         doc/lxc-start.sgml
 554         doc/lxc-stop.sgml
 555         doc/lxc-top.sgml
 556         doc/lxc-unfreeze.sgml
 557         doc/lxc-unshare.sgml
 558         doc/lxc-user-nic.sgml
 559         doc/lxc-version.sgml
 560         doc/lxc-wait.sgml
 561
 562         doc/lxc.conf.sgml
 563         doc/lxc-usernet.sgml
 564         doc/lxc.sgml
 565         doc/common_options.sgml
 566         doc/see_also.sgml
 567
 568         doc/rootfs/Makefile
 569
 570         doc/examples/Makefile
 571         doc/examples/lxc-macvlan.conf
 572         doc/examples/lxc-vlan.conf
 573         doc/examples/lxc-no-netns.conf
 574         doc/examples/lxc-empty-netns.conf
 575         doc/examples/lxc-phys.conf
 576         doc/examples/lxc-veth.conf
 577         doc/examples/lxc-complex.conf
 578
 579         doc/ja/Makefile
 580         doc/ja/legacy/lxc-ls.sgml
 581         doc/ja/lxc-attach.sgml
 582         doc/ja/lxc-autostart.sgml
 583         doc/ja/lxc-cgroup.sgml
 584         doc/ja/lxc-checkconfig.sgml
 585         doc/ja/lxc-checkpoint.sgml
 586         doc/ja/lxc-clone.sgml
 587         doc/ja/lxc-console.sgml
 588         doc/ja/lxc-create.sgml
 589         doc/ja/lxc-destroy.sgml
 590         doc/ja/lxc-device.sgml
 591         doc/ja/lxc-execute.sgml
 592         doc/ja/lxc-freeze.sgml
 593         doc/ja/lxc-info.sgml
 594         doc/ja/lxc-kill.sgml
 595         doc/ja/lxc-ls.sgml
 596         doc/ja/lxc-monitor.sgml
 597         doc/ja/lxc-netstat.sgml
 598         doc/ja/lxc-ps.sgml
 599         doc/ja/lxc-restart.sgml
 600         doc/ja/lxc-snapshot.sgml
 601         doc/ja/lxc-start-ephemeral.sgml
 602         doc/ja/lxc-start.sgml
 603         doc/ja/lxc-stop.sgml
 604         doc/ja/lxc-top.sgml
 605         doc/ja/lxc-unfreeze.sgml
 606         doc/ja/lxc-unshare.sgml
 607         doc/ja/lxc-user-nic.sgml
 608         doc/ja/lxc-version.sgml
 609         doc/ja/lxc-wait.sgml
 610
 611         doc/ja/lxc.conf.sgml
 612         doc/ja/lxc-usernet.sgml
 613         doc/ja/lxc.sgml
 614         doc/ja/common_options.sgml
 615         doc/ja/see_also.sgml
 616
 617         hooks/Makefile
 618
 619         templates/Makefile
 620         templates/lxc-cirros
 621         templates/lxc-debian
 622         templates/lxc-ubuntu
 623         templates/lxc-ubuntu-cloud
 624         templates/lxc-opensuse
 625         templates/lxc-busybox
 626         templates/lxc-centos
 627         templates/lxc-fedora
 628         templates/lxc-openmandriva
 629         templates/lxc-oracle
 630         templates/lxc-altlinux
 631         templates/lxc-sshd
 632         templates/lxc-archlinux
 633         templates/lxc-alpine
 634         templates/lxc-plamo
 635
 636         src/Makefile
 637         src/lxc/Makefile
 638         src/lxc/lxc-ps
 639         src/lxc/lxc-netstat
 640         src/lxc/lxc-checkconfig
 641         src/lxc/lxc-version
 642         src/lxc/lxc-start-ephemeral
 643         src/lxc/legacy/lxc-ls
 644         src/lxc/lxc.functions
 645         src/lxc/version.h
 646         src/python-lxc/Makefile
 647
 648         src/lua-lxc/Makefile
 649
 650         src/tests/Makefile
 651 ])
 652 AC_CONFIG_COMMANDS([default],[[]],[[]])
 653 AC_OUTPUT
 654
 655 # Configuration overview
 656 cat << EOF
 657
 658 ----------------------------
 659 Environment:
 660  - compiler: $CC
 661  - distribution: $with_distro
 662  - init script type: $init_script
 663  - rpath: $enable_rpath
 664  - GnuTLS: $enable_gnutls
 665
 666 Security features:
 667  - Apparmor: $enable_apparmor
 668  - Linux capabilities: $enable_capabilities
 669  - seccomp: $enable_seccomp
 670  - SELinux: $enable_selinux
 671
 672 Bindings:
 673  - lua: $enable_lua
 674  - python3: $enable_python
 675
 676 Documentation:
 677  - examples: $enable_examples
 678  - API documentation: $enable_api_docs
 679  - user documentation: $enable_doc
 680
 681 Debugging:
 682  - tests: $enable_tests
 683  - mutex debugging: $enable_mutex_debugging
 684
 685 Paths:
 686  - Logs in configpath: $enable_configpath_log
 687 EOF
 688
 689 if test "x$ac_cv_func_pthread_atfork" = "xno" ; then
 690 cat << EOF
 691
 692 WARNING: Threading not supported on your platform
 693
 694         You are compiling LXC for bionic target which lacks certain threading related functionality used by LXC API (like pthread_atfork).
 695         Please note that, because of the missing functionality, multithreaded usage of LXC API cause some problems.
 696 EOF
 697 fi