configure.ac

   1 #
   2 #  This file is part of elogind.
   3 #
   4 #  Copyright 2010-2012 Lennart Poettering
   5 #  Copyright 2010-2012 Kay Sievers
   6 #
   7 #  elogind is free software; you can redistribute it and/or modify it
   8 #  under the terms of the GNU Lesser General Public License as published by
   9 #  the Free Software Foundation; either version 2.1 of the License, or
  10 #  (at your option) any later version.
  11 #
  12 #  elogind is distributed in the hope that it will be useful, but
  13 #  WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15 #  Lesser General Public License for more details.
  16 #
  17 #  You should have received a copy of the GNU Lesser General Public License
  18 #  along with systemd; If not, see <http://www.gnu.org/licenses/>.
  19
  20 AC_PREREQ([2.64])
  21
  22 AC_INIT([elogind],
  23         [226.3],
  24         [https://github.com/elogind/elogind/issues],
  25         [elogind],
  26         [https://github.com/elogind/elogind])
  27
  28 AC_CONFIG_SRCDIR([src/login/logind.c])
  29 AC_CONFIG_MACRO_DIR([m4])
  30 AC_CONFIG_HEADERS([config.h])
  31 AC_CONFIG_AUX_DIR([build-aux])
  32
  33 AC_USE_SYSTEM_EXTENSIONS
  34 AC_SYS_LARGEFILE
  35 AC_PREFIX_DEFAULT([/usr])
  36 AM_MAINTAINER_MODE([enable])
  37 AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects parallel-tests])
  38 AM_SILENT_RULES([yes])
  39 AC_CANONICAL_HOST
  40 AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])
  41
  42 AC_PROG_CC_C99
  43
  44 AX_COMPILER_VENDOR
  45 AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [
  46       AC_CHECK_TOOLS([AR], [gcc-ar ar], [:])
  47       AC_CHECK_TOOLS([NM], [gcc-nm nm], [:])
  48       AC_CHECK_TOOLS([RANLIB], [gcc-ranlib ranlib], [:])
  49 ])
  50
  51 LT_PREREQ(2.2)
  52 LT_INIT([disable-static])
  53
  54 AS_IF([test "x$enable_static" = "xyes"], [AC_MSG_ERROR([--enable-static is not supported by elogind])])
  55 AS_IF([test "x$enable_largefile" = "xno"], [AC_MSG_ERROR([--disable-largefile is not supported by elogind])])
  56
  57 SET_ARCH(X86_64, x86_64*)
  58 SET_ARCH(IA32, i*86*)
  59 SET_ARCH(MIPS, mips*)
  60 SET_ARCH(AARCH64, aarch64*)
  61
  62 # i18n stuff for the PolicyKit policy files, heck whether intltool can be found, disable NLS otherwise
  63 AC_CHECK_PROG(intltool_found, [intltool-merge], [yes], [no])
  64 AS_IF([test x"$intltool_found" != xyes],
  65       [AS_IF([test x"$enable_nls" = xyes],
  66              [AC_MSG_ERROR([--enable-nls requested but intltool not found])],
  67              [AS_IF([test x"$enable_nls" != xno],
  68                     [AC_MSG_WARN([*** Disabling NLS support because intltool was not found])
  69                      enable_nls=no])
  70              ])
  71       ])
  72
  73 AM_NLS
  74 AS_IF([test x"$enable_nls" != xno -o "x$enable_polkit" != xno], [
  75     # intltoolize greps for '^(AC|IT)_PROG_INTLTOOL', so it needs to be on its own line
  76 IT_PROG_INTLTOOL([0.40.0])
  77 ])
  78
  79 AS_IF([test -z "$INTLTOOL_POLICY_RULE"], [
  80     # If intltool is not available, provide a dummy rule to fail generation of %.policy files with a meaningful error message
  81     INTLTOOL_POLICY_RULE='%.policy: %.policy.in ; @echo "  ITMRG   " $@ && echo "*** intltool support required to build target $@" && false'
  82     AC_SUBST(INTLTOOL_POLICY_RULE)
  83 ])
  84
  85 GETTEXT_PACKAGE=elogind
  86 AC_SUBST(GETTEXT_PACKAGE)
  87 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [elogind])
  88
  89 AC_PROG_MKDIR_P
  90 AC_PROG_LN_S
  91 AC_PROG_SED
  92 AC_PROG_GREP
  93 AC_PROG_AWK
  94
  95 AC_PATH_PROG([M4], [m4])
  96 AC_PATH_PROG([XSLTPROC], [xsltproc])
  97
  98 AC_PATH_PROG([HALT], [halt], [halt])
  99 AC_PATH_PROG([REBOOT], [reboot], [reboot])
 100 AC_PATH_PROG([KEXEC], [kexec], [/usr/sbin/kexec], [$PATH:/usr/sbin:/sbin])
 101
 102 AS_IF([! ln --relative --help > /dev/null 2>&1], [AC_MSG_ERROR([*** ln doesn't support --relative ***])])
 103
 104 M4_DEFINES=
 105
 106 AC_CHECK_TOOL(OBJCOPY, objcopy)
 107 AC_CHECK_TOOL(GPERF, gperf)
 108 if test -z "$GPERF" ; then
 109         AC_MSG_ERROR([*** gperf not found])
 110 fi
 111
 112
 113 # ------------------------------------------------------------------------------
 114 # Find running cgroup controller
 115 with_cgroupctrl=
 116 AS_IF(  [test -f /proc/self/cgroup], [
 117         # If the init system is a cgroup controler, it will be position 1.
 118         # Secondary controllers, like cgmanager, do not work.
 119         with_cgroupctrl=`grep "^1:name=" /proc/self/cgroup | cut -d ':' -f 2`
 120         AS_IF(  [test -z "$with_cgroupctrl"], [
 121                 # Try to be our own cgroup controller
 122                 with_cgroupctrl="name=elogind"
 123         ])
 124 ])
 125 AS_IF(  [test -z "$with_cgroupctrl"],
 126         AC_MSG_ERROR([No running cgroup controller found]))
 127
 128
 129 # ------------------------------------------------------------------------------
 130 address_sanitizer_cflags=
 131 address_sanitizer_cppflags=
 132 address_sanitizer_ldflags=
 133 AC_ARG_ENABLE(address-sanitizer, AS_HELP_STRING([--enable-address-sanitizer], [enable -fsanitize=address]))
 134 AS_IF([test "x$enable_address_sanitizer" = "xyes"], [
 135             CC_CHECK_FLAG_APPEND([with_as_cflags], [CFLAGS], [-fsanitize=address])
 136             AS_IF([test -z "$with_as_cflags"],
 137                   [AC_MSG_ERROR([*** -fsanitize=address is not supported])])
 138             address_sanitizer_cflags="$with_as_cflags -fno-omit-frame-pointer -DVALGRIND=1"
 139             address_sanitizer_cppflags="-DVALGRIND=1"
 140             address_sanitizer_ldflags="-Wc,-fsanitize=address"
 141       ])
 142
 143 undefined_sanitizer_cflags=
 144 undefined_sanitizer_cppflags=
 145 undefined_sanitizer_ldflags=
 146 AC_ARG_ENABLE(undefined-sanitizer, AS_HELP_STRING([--enable-undefined-sanitizer], [enable -fsanitize=undefined]))
 147 AS_IF([test "x$enable_undefined_sanitizer" = "xyes"], [
 148             CC_CHECK_FLAG_APPEND([with_us_cflags], [CFLAGS], [-fsanitize=undefined])
 149             AS_IF([test -z "$with_us_cflags"],
 150                   [AC_MSG_ERROR([*** -fsanitize=undefined is not supported])])
 151             undefined_sanitizer_cflags="$with_us_cflags -fno-omit-frame-pointer -DVALGRIND=1"
 152             undefined_sanitizer_cppflags="-DVALGRIND=1"
 153             undefined_sanitizer_ldflags="-Wc,-fsanitize=undefined"
 154       ])
 155
 156 sanitizer_cflags="$address_sanitizer_cflags $undefined_sanitizer_cflags"
 157 sanitizer_cppflags="$address_sanitizer_cppflags $undefined_sanitizer_cppflags"
 158 sanitizer_ldflags="$address_sanitizer_ldflags $undefined_sanitizer_ldflags"
 159
 160 CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
 161         -pipe \
 162         -Wall \
 163         -Wextra \
 164         -Wundef \
 165         "-Wformat=2 -Wformat-security -Wformat-nonliteral" \
 166         -Wlogical-op \
 167         -Wmissing-include-dirs \
 168         -Wold-style-definition \
 169         -Wpointer-arith \
 170         -Winit-self \
 171         -Wdeclaration-after-statement \
 172         -Wfloat-equal \
 173         -Wsuggest-attribute=noreturn \
 174         -Werror=missing-prototypes \
 175         -Werror=implicit-function-declaration \
 176         -Werror=missing-declarations \
 177         -Werror=return-type \
 178         -Werror=shadow \
 179         -Wstrict-prototypes \
 180         -Wredundant-decls \
 181         -Wmissing-noreturn \
 182         -Wshadow \
 183         -Wendif-labels \
 184         -Wstrict-aliasing=2 \
 185         -Wwrite-strings \
 186         -Wno-unused-parameter \
 187         -Wno-missing-field-initializers \
 188         -Wno-unused-result \
 189         -Wno-format-signedness \
 190         -Werror=overflow \
 191         -Wdate-time \
 192         -Wnested-externs \
 193         -ffast-math \
 194         -fno-common \
 195         -fdiagnostics-show-option \
 196         -fno-strict-aliasing \
 197         -fvisibility=hidden \
 198         -fstack-protector \
 199         -fstack-protector-strong \
 200         -fPIE \
 201         --param=ssp-buffer-size=4])
 202
 203 AS_CASE([$CC], [*clang*],
 204         [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
 205                -Wno-typedef-redefinition \
 206                -Wno-gnu-variable-sized-type-not-at-end \
 207         ])])
 208
 209 dnl AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
 210 dnl         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
 211 dnl                -flto])],
 212 dnl         [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
 213 dnl AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
 214
 215 AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
 216         [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
 217                -Wp,-D_FORTIFY_SOURCE=2])],
 218         [AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
 219 AC_SUBST([OUR_CPPFLAGS], "$with_cppflags $sanitizer_cppflags")
 220
 221 AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
 222         [CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
 223                -Wl,--gc-sections])],
 224         [AC_MSG_RESULT([skipping --gc-sections, optimization not enabled])])
 225 AC_SUBST([OUR_CFLAGS], "$with_ldflags $sanitizer_cflags")
 226
 227 AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
 228         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
 229                -ffunction-sections -fdata-sections])],
 230         [AC_MSG_RESULT([skipping -ffunction/data-section, optimization not enabled])])
 231 AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
 232
 233 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
 234         -Wl,--as-needed \
 235         -Wl,--no-undefined \
 236         -Wl,-z,relro \
 237         -Wl,-z,now \
 238         -pie \
 239         -Wl,-fuse-ld=gold])
 240 AC_SUBST([OUR_LDFLAGS], "$with_ldflags $sanitizer_ldflags")
 241
 242 AC_CHECK_SIZEOF(pid_t)
 243 AC_CHECK_SIZEOF(uid_t)
 244 AC_CHECK_SIZEOF(gid_t)
 245 AC_CHECK_SIZEOF(time_t)
 246 AC_CHECK_SIZEOF(dev_t)
 247 AC_CHECK_SIZEOF(rlim_t,,[
 248        #include <sys/time.h>
 249        #include <sys/resource.h>
 250 ])
 251
 252 GPERF_TEST="$(echo foo,bar | ${GPERF} -L ANSI-C)"
 253 save_CFLAGS="$CFLAGS"
 254 CFLAGS="$CFLAGS -Wno-error"
 255 AC_COMPILE_IFELSE(
 256         [AC_LANG_PROGRAM([
 257                 #include <string.h>
 258                 const char * in_word_set(const char *, size_t);
 259                 $GPERF_TEST]
 260         )],
 261         [GPERF_LEN_TYPE=size_t],
 262         [AC_COMPILE_IFELSE(
 263                 [AC_LANG_PROGRAM([
 264                         #include <string.h>
 265                         const char * in_word_set(const char *, unsigned);
 266                         $GPERF_TEST]
 267                 )],
 268                 [GPERF_LEN_TYPE=unsigned],
 269                 [AC_MSG_ERROR([** unable to determine gperf len type])]
 270         )]
 271 )
 272 CFLAGS="$save_CFLAGS"
 273
 274 AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type])
 275
 276 # ------------------------------------------------------------------------------
 277 # we use python to build the man page index
 278 have_python=no
 279 AC_ARG_WITH([python],
 280         [AS_HELP_STRING([--without-python], [Disable building the man page index (default: test)])])
 281
 282 have_lxml=no
 283 AS_IF([test "x$with_python" != "xno"], [
 284         AM_PATH_PYTHON(,, [:])
 285         AS_IF([test "x$PYTHON" != "x:"], [
 286                 AC_MSG_CHECKING([for python lxml module])
 287                 AS_IF(["$PYTHON" -c 'import lxml' 2>/dev/null], [have_lxml=yes])
 288                 AC_MSG_RESULT([$have_lxml])
 289                 AS_IF([test "x$have_lxml" = "xyes"], [have_python=yes],
 290                       [AC_MSG_WARN([*** python support requires python-lxml module installed])])
 291         ])
 292 ])
 293 AS_IF([test "$have_python" != "yes"], [
 294       AS_IF([test "$with_python" = "yes"],
 295             [AC_MSG_ERROR([*** python support requested but python support not found])])
 296       AS_IF([test "$with_python" != "no"],
 297             [AC_MSG_WARN([*** python support not found, some documentation cannot be built])])
 298 ])
 299
 300 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = "xyes"])
 301
 302 # ------------------------------------------------------------------------------
 303
 304 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
 305 AC_CHECK_HEADERS([linux/btrfs.h], [], [])
 306 AC_CHECK_HEADERS([linux/memfd.h], [], [])
 307
 308 AC_CHECK_HEADERS([printf.h], [have_printf_h=yes], [have_printf_h=no])
 309 AS_IF([test x$have_printf_h = xyes], [
 310         AC_DEFINE(HAVE_PRINTF_H, 1, [Define if printf.h was found])
 311 ])
 312
 313
 314
 315 # unconditionally pull-in librt with old glibc versions
 316 dnl AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
 317 dnl AC_SEARCH_LIBS([mq_unlink], [rt], [], [])
 318
 319 AC_ARG_WITH([libcap],
 320             AS_HELP_STRING([--with-libcap=DIR], [Prefix for libcap]),
 321             [CAP_LDFLAGS="-L$with_libcap/lib"],
 322             [CAP_LDFLAGS=""])
 323 save_LIBS="$LIBS"
 324 save_LDFLAGS="$LDFLAGS"
 325 LIBS=
 326 LDFLAGS="$LDFLAGS $CAP_LDFLAGS"
 327 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 328 CAP_LIBS="$LIBS"
 329 AC_SUBST(CAP_LIBS)
 330 AC_SUBST(CAP_LDFLAGS)
 331 LIBS="$save_LIBS"
 332 LDFLAGS="$save_LDFLAGS"
 333
 334 AC_CHECK_FUNCS([memfd_create])
 335 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
 336 AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2, kcmp, LO_FLAGS_PARTSCAN],
 337                [], [], [[
 338 #include <sys/types.h>
 339 #include <unistd.h>
 340 #include <sys/mount.h>
 341 #include <fcntl.h>
 342 #include <sched.h>
 343 #include <linux/loop.h>
 344 #include <linux/random.h>
 345 ]])
 346
 347 AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE,
 348                 IFLA_MACVLAN_FLAGS,
 349                 IFLA_IPVLAN_MODE,
 350                 IFLA_VTI_REMOTE,
 351                 IFLA_PHYS_PORT_ID,
 352                 IFLA_BOND_AD_INFO,
 353                 IFLA_VLAN_PROTOCOL,
 354                 IFLA_VXLAN_REMCSUM_NOPARTIAL,
 355                 IFLA_VXLAN_LOCAL6,
 356                 IFLA_IPTUN_ENCAP_DPORT,
 357                 IFLA_GRE_ENCAP_DPORT,
 358                 IFLA_BRIDGE_VLAN_INFO,
 359                 IFLA_BRPORT_LEARNING_SYNC,
 360                 NDA_IFINDEX,
 361                 IFA_FLAGS],
 362 [], [], [[
 363 #include <inttypes.h>
 364 #include <netinet/in.h>
 365 #include <netinet/ether.h>
 366 #include <linux/rtnetlink.h>
 367 #include <net/if.h>
 368 #include <linux/ip.h>
 369 #include <linux/if_tunnel.h>
 370 #include <linux/if_link.h>
 371 #include <linux/if_bridge.h>
 372 #include <linux/if_addr.h>
 373 #include <linux/neighbour.h>
 374 ]])
 375
 376 # This makes sure pkg.m4 is available.
 377 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
 378
 379
 380 # ------------------------------------------------------------------------------
 381 PKG_CHECK_MODULES(UDEV, [libudev])
 382 dnl
 383 AC_ARG_WITH([udevrulesdir],
 384             AS_HELP_STRING([--with-udevrulesdir=DIR], [Directory for udev rules files]),
 385             [],
 386             [with_udevrulesdir=$($PKG_CONFIG --variable=udevdir udev)/rules.d])
 387 AC_SUBST([udevrulesdir], [$with_udevrulesdir])
 388
 389 AC_ARG_WITH([udevbindir],
 390             AS_HELP_STRING([--with-udevbindir=DIR], [Directory for udev binary files]),
 391             [],
 392             [with_udevbindir=$($PKG_CONFIG --variable=udevdir udev)])
 393 AC_SUBST([udevbindir], [$with_udevbindir])
 394
 395 # ------------------------------------------------------------------------------
 396 have_coverage=no
 397 AC_ARG_ENABLE(coverage, AS_HELP_STRING([--enable-coverage], [enable test coverage]))
 398 if test "x$enable_coverage" = "xyes" ; then
 399         AC_CHECK_PROG(lcov_found, [lcov], [yes], [no])
 400         if test "x$lcov_found" = xno ; then
 401                 AC_MSG_ERROR([*** lcov support requested but the program was not found])
 402         else
 403                 lcov_version_major="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 1`"
 404                 lcov_version_minor="`lcov --version | cut -d ' ' -f 4 | cut -d '.' -f 2`"
 405                 if test "$lcov_version_major" -eq 1 -a "$lcov_version_minor" -lt 10; then
 406                         AC_MSG_ERROR([*** lcov version is too old. 1.10 required])
 407                 else
 408                         have_coverage=yes
 409                         CC_CHECK_FLAGS_APPEND([with_coverage_cflags], [CFLAGS], [\
 410                         -fprofile-arcs \
 411                         -ftest-coverage])
 412                         AC_SUBST([OUR_CFLAGS], "$with_cflags $with_coverage_cflags")
 413                 fi
 414         fi
 415 fi
 416 AM_CONDITIONAL(ENABLE_COVERAGE, [test "$have_coverage" = "yes"])
 417
 418 # ------------------------------------------------------------------------------
 419 have_selinux=no
 420 AC_ARG_ENABLE(selinux, AS_HELP_STRING([--disable-selinux], [Disable optional SELINUX support]))
 421 if test "x$enable_selinux" != "xno"; then
 422         PKG_CHECK_MODULES([SELINUX], [libselinux >= 2.1.9],
 423                 [AC_DEFINE(HAVE_SELINUX, 1, [Define if SELinux is available])
 424                  have_selinux=yes
 425                  M4_DEFINES="$M4_DEFINES -DHAVE_SELINUX"],
 426                 [have_selinux=no])
 427         if test "x$have_selinux" = xno -a "x$enable_selinux" = xyes; then
 428                 AC_MSG_ERROR([*** SELinux support requested but libraries not found])
 429         fi
 430 fi
 431 AM_CONDITIONAL(HAVE_SELINUX, [test "$have_selinux" = "yes"])
 432
 433 # ------------------------------------------------------------------------------
 434 AC_ARG_ENABLE([pam],
 435         AS_HELP_STRING([--disable-pam],[Disable optional PAM support]),
 436                 [case "${enableval}" in
 437                         yes) have_pam=yes ;;
 438                         no) have_pam=no ;;
 439                         *) AC_MSG_ERROR(bad value ${enableval} for --disable-pam) ;;
 440                 esac],
 441                 [have_pam=auto])
 442
 443 if test "x${have_pam}" != xno ; then
 444         AC_CHECK_HEADERS(
 445                 [security/pam_modules.h security/pam_modutil.h security/pam_ext.h],
 446                 [have_pam=yes],
 447                 [if test "x$have_pam" = xyes ; then
 448                         AC_MSG_ERROR([*** PAM headers not found.])
 449                 fi])
 450
 451         AC_CHECK_LIB(
 452                 [pam],
 453                 [pam_syslog],
 454                 [have_pam=yes],
 455                 [if test "x$have_pam" = xyes ; then
 456                         AC_MSG_ERROR([*** libpam not found.])
 457                 fi])
 458
 459         if test "x$have_pam" = xyes ; then
 460                 PAM_LIBS="-lpam -lpam_misc"
 461                 AC_DEFINE(HAVE_PAM, 1, [PAM available])
 462                 M4_DEFINES="$M4_DEFINES -DHAVE_PAM"
 463         else
 464                 have_pam=no
 465         fi
 466 else
 467         PAM_LIBS=
 468 fi
 469 AC_SUBST(PAM_LIBS)
 470 AM_CONDITIONAL([HAVE_PAM], [test "x$have_pam" != xno])
 471
 472 # ------------------------------------------------------------------------------
 473 AC_ARG_ENABLE([acl],
 474         AS_HELP_STRING([--disable-acl],[Disable optional ACL support]),
 475                 [case "${enableval}" in
 476                         yes) have_acl=yes ;;
 477                         no) have_acl=no ;;
 478                         *) AC_MSG_ERROR(bad value ${enableval} for --disable-acl) ;;
 479                 esac],
 480                 [have_acl=auto])
 481
 482 if test "x${have_acl}" != xno ; then
 483         AC_CHECK_HEADERS(
 484                 [sys/acl.h acl/libacl.h],
 485                 [have_acl=yes],
 486                 [if test "x$have_acl" = xyes ; then
 487                         AC_MSG_ERROR([*** ACL headers not found.])
 488                 fi])
 489
 490         AC_CHECK_LIB(
 491                 [acl],
 492                 [acl_get_file],
 493                 [have_acl=yes],
 494                 [if test "x$have_acl" = xyes ; then
 495                         AC_MSG_ERROR([*** libacl not found.])
 496                 fi])
 497
 498         if test "x$have_acl" = xyes ; then
 499                 ACL_LIBS="-lacl"
 500                 AC_DEFINE(HAVE_ACL, 1, [ACL available])
 501                 M4_DEFINES="$M4_DEFINES -DHAVE_ACL"
 502         else
 503                 have_acl=no
 504         fi
 505 else
 506         ACL_LIBS=
 507 fi
 508 AC_SUBST(ACL_LIBS)
 509 AM_CONDITIONAL([HAVE_ACL], [test "x$have_acl" != xno])
 510
 511 # ------------------------------------------------------------------------------
 512 AC_ARG_ENABLE([smack], AS_HELP_STRING([--disable-smack],[Disable optional SMACK support]),
 513                 [case "${enableval}" in
 514                         yes) have_smack=yes ;;
 515                         no) have_smack=no ;;
 516                         *) AC_MSG_ERROR(bad value ${enableval} for --disable-smack) ;;
 517                 esac],
 518                 [have_smack=auto])
 519
 520 if test "x${have_smack}" = xauto; then
 521         M4_DEFINES="$M4_DEFINES -DHAVE_SMACK"
 522         have_smack=yes
 523 fi
 524
 525 AC_ARG_WITH(smack-run-label,
 526 AS_HELP_STRING([--with-smack-run-label=STRING],
 527         [run elogind --system itself with a specific SMACK label]),
 528         [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run elogind itself with SMACK label])],
 529         [])
 530
 531 AC_ARG_WITH(smack-default-process-label,
 532 AS_HELP_STRING([--with-smack-default-process-label=STRING],
 533         [default SMACK label for executed processes]),
 534         [AC_DEFINE_UNQUOTED(SMACK_DEFAULT_PROCESS_LABEL, ["$withval"], [Default SMACK label for executed processes])],
 535         [])
 536
 537 if test "x${have_smack}" = xyes ; then
 538         AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available])
 539 fi
 540
 541 AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"])
 542
 543 # ------------------------------------------------------------------------------
 544 AC_ARG_WITH(system-uid-max,
 545         AS_HELP_STRING([--with-system-uid-max=UID]
 546                 [Maximum UID for system users]),
 547         [SYSTEM_UID_MAX="$withval"],
 548         [SYSTEM_UID_MAX="`awk 'BEGIN { uid=999 } /^\s*SYS_UID_MAX\s+/ { uid=$2 } END { print uid }' /etc/login.defs 2>/dev/null || echo 999`"])
 549
 550 AC_DEFINE_UNQUOTED(SYSTEM_UID_MAX, [$SYSTEM_UID_MAX], [Maximum System UID])
 551 AC_SUBST(SYSTEM_UID_MAX)
 552
 553 # ------------------------------------------------------------------------------
 554 AC_ARG_WITH(system-gid-max,
 555         AS_HELP_STRING([--with-system-gid-max=GID]
 556                 [Maximum GID for system groups]),
 557         [SYSTEM_GID_MAX="$withval"],
 558         [SYSTEM_GID_MAX="`awk 'BEGIN { gid=999 } /^\s*SYS_GID_MAX\s+/ { gid=$2 } END { print gid }' /etc/login.defs 2>/dev/null || echo 999`"])
 559
 560 AC_DEFINE_UNQUOTED(SYSTEM_GID_MAX, [$SYSTEM_GID_MAX], [Maximum System GID])
 561 AC_SUBST(SYSTEM_GID_MAX)
 562
 563 # ------------------------------------------------------------------------------
 564 have_polkit=no
 565 AC_ARG_ENABLE(polkit, AS_HELP_STRING([--disable-polkit], [disable PolicyKit support]))
 566 if test "x$enable_polkit" != "xno"; then
 567         AC_DEFINE(ENABLE_POLKIT, 1, [Define if PolicyKit support is to be enabled])
 568         have_polkit=yes
 569 fi
 570 AM_CONDITIONAL(ENABLE_POLKIT, [test "x$have_polkit" = "xyes"])
 571
 572 # ------------------------------------------------------------------------------
 573 have_kdbus=no
 574 AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--disable-kdbus], [do not connect to kdbus by default]))
 575 if test "x$enable_kdbus" != "xno"; then
 576         AC_DEFINE(ENABLE_KDBUS, 1, [Define if kdbus is to be connected to by default])
 577         have_kdbus=yes
 578         M4_DEFINES="$M4_DEFINES -DENABLE_KDBUS"
 579 fi
 580 AM_CONDITIONAL(ENABLE_KDBUS, [test "$have_kdbus" = "yes"])
 581
 582 # ------------------------------------------------------------------------------
 583 AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h])
 584
 585 # ------------------------------------------------------------------------------
 586 PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0 gio-2.0],
 587                   [have_glib=yes], [have_glib=no])
 588 AS_IF([test "x$have_glib" = "xyes"], [ AC_DEFINE(HAVE_GLIB, 1, [Define if glib is available]) ])
 589
 590 # ------------------------------------------------------------------------------
 591 have_manpages=no
 592 AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages]))
 593 AS_IF([test "x$enable_manpages" != xno], [have_manpages=yes])
 594 AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])
 595
 596 # ------------------------------------------------------------------------------
 597 AC_SUBST(M4_DEFINES)
 598
 599 AC_ARG_WITH([dbuspolicydir],
 600         AS_HELP_STRING([--with-dbuspolicydir=DIR], [D-Bus policy directory]),
 601         [],
 602         [with_dbuspolicydir=${sysconfdir}/dbus-1/system.d])
 603 AX_NORMALIZE_PATH([with_dbuspolicydir])
 604
 605 AC_ARG_WITH([dbussystemservicedir],
 606         AS_HELP_STRING([--with-dbussystemservicedir=DIR], [D-Bus system service directory]),
 607         [],
 608         [with_dbussystemservicedir=${datadir}/dbus-1/system-services])
 609 AX_NORMALIZE_PATH([with_dbussystemservicedir])
 610
 611 AC_ARG_WITH([bashcompletiondir],
 612         AS_HELP_STRING([--with-bashcompletiondir=DIR], [Bash completions directory]),
 613         [],
 614         [AS_IF([$($PKG_CONFIG --exists bash-completion)], [
 615                 with_bashcompletiondir=$($PKG_CONFIG --variable=completionsdir bash-completion)
 616         ] , [
 617                 with_bashcompletiondir=${datadir}/bash-completion/completions
 618         ])])
 619 AM_CONDITIONAL(ENABLE_BASH_COMPLETION, [test "$with_bashcompletiondir" != "no"])
 620 AX_NORMALIZE_PATH([with_bashcompletiondir])
 621
 622 AC_ARG_WITH([zshcompletiondir],
 623         AS_HELP_STRING([--with-zshcompletiondir=DIR], [Zsh completions directory]),
 624         [], [with_zshcompletiondir=${datadir}/zsh/site-functions])
 625 AM_CONDITIONAL(ENABLE_ZSH_COMPLETION, [test "$with_zshcompletiondir" != "no"])
 626 AX_NORMALIZE_PATH([with_zshcompletiondir])
 627
 628 AC_ARG_WITH([rootprefix],
 629         AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
 630         [], [with_rootprefix=${ac_default_prefix}])
 631 # --with-rootprefix= (empty) should default to "/" but AX_NORMALIZE_PATH
 632 # defaults those to ".", solve that here for now until we can find a suitable
 633 # fix for AX_NORMALIZE_PATH upstream at autoconf-archive.
 634 # See: https://github.com/systemd/systemd/issues/54
 635 if test "x${with_rootprefix}" = "x"; then
 636         with_rootprefix="/"
 637 fi
 638 AX_NORMALIZE_PATH([with_rootprefix])
 639
 640 AC_ARG_WITH([rootlibdir],
 641         AS_HELP_STRING([--with-rootlibdir=DIR], [Root directory for libraries necessary for boot]),
 642         [],
 643         [with_rootlibdir=${libdir}])
 644 AX_NORMALIZE_PATH([with_rootlibdir])
 645
 646 AC_ARG_WITH([pamlibdir],
 647         AS_HELP_STRING([--with-pamlibdir=DIR], [Directory for PAM modules]),
 648         [],
 649         [with_pamlibdir=${with_rootlibdir}/security])
 650 AX_NORMALIZE_PATH([with_pamlibdir])
 651
 652 AC_ARG_WITH([pamconfdir],
 653         AS_HELP_STRING([--with-pamconfdir=DIR], [Directory for PAM configuration]),
 654         [],
 655         [with_pamconfdir=${sysconfdir}/pam.d])
 656 AX_NORMALIZE_PATH([with_pamconfdir])
 657
 658 AC_ARG_ENABLE([split-usr],
 659         AS_HELP_STRING([--enable-split-usr], [Assume that /bin, /sbin aren\'t symlinks into /usr]),
 660         [],
 661         [AS_IF([test "x${ac_default_prefix}" != "x${with_rootprefix}"], [
 662                 enable_split_usr=yes
 663         ], [
 664                 enable_split_usr=no
 665         ])])
 666
 667 AS_IF([test "x${enable_split_usr}" = "xyes"], [
 668         AC_DEFINE(HAVE_SPLIT_USR, 1, [Define if /bin, /sbin aren't symlinks into /usr])
 669 ])
 670 AM_CONDITIONAL(ENABLE_SPLIT_USR, [test "x${enable_split_usr}" = "xyes"])
 671
 672 # work around intltool-update issues during 'make distcheck'
 673 AS_IF([test "x$0" != "x./configure"], [
 674         AC_SUBST([INTLTOOL_UPDATE], [/usr/bin/env true])
 675 ])
 676
 677 AC_ARG_ENABLE(tests,
 678         [AC_HELP_STRING([--disable-tests], [disable tests])],
 679         enable_tests=$enableval, enable_tests=yes)
 680 AM_CONDITIONAL(ENABLE_TESTS, [test x$enable_tests = xyes])
 681
 682 AC_ARG_ENABLE(debug,
 683         [AC_HELP_STRING([--enable-debug@<:@=LIST@:>@], [enable extra debugging (elogind,hashmap,mmap-cache)])],
 684         [if test "x$enableval" = "xyes"; then
 685                 enableval="elogind,hashmap,mmap-cache"
 686         fi
 687         saved_ifs="$IFS"
 688         IFS="$IFS$PATH_SEPARATOR,"
 689         for name in $enableval; do
 690                 case $name in
 691                 elogind)
 692                         enable_debug_elogind=yes
 693                         ;;
 694                 hashmap)
 695                         enable_debug_hashmap=yes
 696                         ;;
 697                 mmap-cache)
 698                         enable_debug_mmap_cache=yes
 699                         ;;
 700                 esac
 701         done
 702         IFS="$saved_ifs"],[])
 703
 704 enable_debug=""
 705 AS_IF([test x$enable_debug_elogind = xyes], [
 706         AC_DEFINE(ENABLE_DEBUG_ELOGIND, 1, [Define if elogind debugging is to be enabled])
 707         enable_debug="elogind $enable_debug"
 708 ])
 709 AS_IF([test x$enable_debug_hashmap = xyes], [
 710         AC_DEFINE(ENABLE_DEBUG_HASHMAP, 1, [Define if hashmap debugging is to be enabled])
 711         enable_debug="hashmap $enable_debug"
 712 ])
 713 AS_IF([test x$enable_debug_mmap_cache = xyes], [
 714         AC_DEFINE(ENABLE_DEBUG_MMAP_CACHE, 1, [Define if mmap cache debugging is to be enabled])
 715         enable_debug="mmap-cache $enable_debug"
 716 ])
 717 test -z "$enable_debug" && enable_debug="none"
 718
 719 AC_SUBST([dbuspolicydir], [$with_dbuspolicydir])
 720 AC_SUBST([dbussystemservicedir], [$with_dbussystemservicedir])
 721 AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
 722 AC_SUBST([zshcompletiondir], [$with_zshcompletiondir])
 723 AC_SUBST([pamlibdir], [$with_pamlibdir])
 724 AC_SUBST([pamconfdir], [$with_pamconfdir])
 725 AC_SUBST([rootprefix], [$with_rootprefix])
 726 AC_SUBST([rootlibdir], [$with_rootlibdir])
 727 AC_SUBST([cgroup_controller], [$with_cgroupctrl])
 728
 729 AC_CONFIG_FILES([
 730         Makefile
 731         po/Makefile.in
 732 ])
 733
 734 AC_OUTPUT
 735 AC_MSG_RESULT([
 736         $PACKAGE_NAME $VERSION
 737
 738         PAM:                     ${have_pam}
 739         SELinux:                 ${have_selinux}
 740         SMACK:                   ${have_smack}
 741         ACL:                     ${have_acl}
 742         polkit:                  ${have_polkit}
 743         kdbus:                   ${have_kdbus}
 744         Python:                  ${have_python}
 745         man pages:               ${have_manpages}
 746         test coverage:           ${have_coverage}
 747         Split /usr:              ${enable_split_usr}
 748         extra debugging:         ${enable_debug}
 749         cgroup controller:       ${with_cgroupctrl}
 750
 751         prefix:                  ${prefix}
 752         rootprefix:              ${with_rootprefix}
 753         sysconf dir:             ${sysconfdir}
 754         datarootdir:             ${datarootdir}
 755         includedir:              ${includedir}
 756         lib dir:                 ${libdir}
 757         rootlib dir:             ${with_rootlibdir}
 758         PAM modules dir:         ${with_pamlibdir}
 759         PAM configuration dir:   ${with_pamconfdir}
 760         D-Bus policy dir:        ${with_dbuspolicydir}
 761         D-Bus system dir:        ${with_dbussystemservicedir}
 762         Bash completions dir:    ${with_bashcompletiondir}
 763         Zsh completions dir:     ${with_zshcompletiondir}
 764         Maximum System UID:      ${SYSTEM_UID_MAX}
 765         Maximum System GID:      ${SYSTEM_GID_MAX}
 766
 767         CFLAGS:                  ${OUR_CFLAGS} ${CFLAGS}
 768         CPPFLAGS:                ${OUR_CPPFLAGS} ${CPPFLAGS}
 769         LDFLAGS:                 ${OUR_LDFLAGS} ${LDFLAGS}
 770 ])