X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=4f61599cfa0e5cf786b68ff3e5840024adafdf4d;hp=dc889a7f007ab770bb9542d7cbbbc9abeb3781b7;hb=e4b8356a39a6afcc0b1439397f8c3790332def12;hpb=89e750e26ce052aec7d38306328a0f52c90c5489 diff --git a/configure.ac b/configure.ac index dc889a7f0..4f61599cf 100644 --- a/configure.ac +++ b/configure.ac @@ -20,7 +20,7 @@ AC_PREREQ([2.64]) AC_INIT([elogind], - [226], + [231.4], [https://github.com/elogind/elogind/issues], [elogind], [https://github.com/elogind/elogind]) @@ -59,7 +59,7 @@ SET_ARCH(IA32, i*86*) SET_ARCH(MIPS, mips*) SET_ARCH(AARCH64, aarch64*) -# i18n stuff for the PolicyKit policy files, heck whether intltool can be found, disable NLS otherwise +# i18n stuff for the PolicyKit policy files, check whether intltool can be found, disable NLS otherwise AC_CHECK_PROG(intltool_found, [intltool-merge], [yes], [no]) AS_IF([test x"$intltool_found" != xyes], [AS_IF([test x"$enable_nls" = xyes], @@ -111,13 +111,52 @@ fi # ------------------------------------------------------------------------------ -# Find running cgroup controller +# Let users set the cgroup controller to use, in case the target controller +# isn't currently running the show. +# Example: Gentoo Linux, user wants to switch from systemd to openrc+elogind, +# and emerges elogind before having booted the machine with openrc. +# See: https://github.com/elogind/elogind/issues/18 with_cgroupctrl= -AS_IF( [test -f /proc/self/cgroup], - [with_cgroupctrl=`grep "^1:" /proc/self/cgroup | cut -d ':' -f 2`]) -AS_IF( [test -z "$with_cgroupctrl"], - AC_MSG_ERROR([No running cgroup controller found])) +AC_ARG_WITH([cgroup-controller], + AS_HELP_STRING([--with-cgroup-controller=name], + [Set the name of the cgroup controller to use. + Use this when the autodetection fails, or you plan to use your system with a different controller than the one in place now. + The value 'auto' (default) detects the running controller. + The values 'none' and 'elogind' will cause elogind to be its own (very limited) controller. + When elogind shall be its own controller, there *MUST NOT* be any other controller running! + Another popular controller would be 'openrc'.]), + [with_cgroupctrl=$withval], + [with_cgroupctrl=auto]) + +# ------------------------------------------------------------------------------ +# Find running cgroup controller, if none was set +AS_IF( [test "x$with_cgroupctrl" = "xauto"], [ + AS_IF([test -f /proc/self/cgroup], [ + # If the init system is a cgroup controler, it will be position 1. + # Secondary controllers, like cgmanager, do not work. + with_cgroupctrl=`grep "^1:name=" /proc/self/cgroup | \ + sed -n 's/.*=//p' | sed -e 's/:.*$//'` + AS_IF( [test -z "$with_cgroupctrl"], [ + # Try to be our own cgroup controller + with_cgroupctrl="elogind" + ]) + ], [ + # 'auto' but no cgroup fs is a problem. + with_cgroupctrl="" + ]) +]) +# If the user specified 'none', switch to 'elogind'. +# 'none' is allowed, as this means "there is no controller now" +AS_IF( [test "x$with_cgroupctrl" = "xnone"], [with_cgroupctrl=elogind]) + +# If this was not possible, /proc/self/cgroup not mounted yet, and 'auto' +# chosen, error out. +AS_IF( [test -z "$with_cgroupctrl"], + AC_MSG_ERROR([No running cgroup controller found]), [ + # Otherwise add the 'name=' prefix + with_cgroupctrl="name=$with_cgroupctrl" +]) # ------------------------------------------------------------------------------ address_sanitizer_cflags= @@ -168,7 +207,6 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ -Werror=implicit-function-declaration \ -Werror=missing-declarations \ -Werror=return-type \ - -Werror=shadow \ -Wstrict-prototypes \ -Wredundant-decls \ -Wmissing-noreturn \ @@ -193,18 +231,42 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ -fPIE \ --param=ssp-buffer-size=4]) +CC_CHECK_FLAG_APPEND([with_cflags], [CFLAGS], [-Werror=shadow], [ +#include +#include +typedef uint64_t usec_t; +usec_t now(clockid_t clock); +int main(void) { + struct timespec now; + return 0; +} +]) + AS_CASE([$CC], [*clang*], [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\ -Wno-typedef-redefinition \ -Wno-gnu-variable-sized-type-not-at-end \ ])]) -dnl AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*], -dnl [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\ -dnl -flto])], -dnl [AC_MSG_RESULT([skipping -flto, optimization not enabled])]) -dnl AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags") +# ------------------------------------------------------------------------------ +# On some distributions -flto, even if available, leads to linking errors. +# We therefore make it optional +have_lto=no +AC_ARG_ENABLE([lto], + [AS_HELP_STRING([--disable-lto], [Disable link time optimization (default: test)])]) + +AS_IF([test "x$enable_lto" != "xno"], [ + AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*], + [have_lto=yes], + [AC_MSG_RESULT([skipping -flto, optimization not enabled])]) + AS_IF([test "$have_lto" != "no"], + [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [-flto])] + ) + AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags") +]) + +# ------------------------------------------------------------------------------ AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*], [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\ -Wp,-D_FORTIFY_SOURCE=2])], @@ -237,13 +299,15 @@ AC_CHECK_SIZEOF(uid_t) AC_CHECK_SIZEOF(gid_t) AC_CHECK_SIZEOF(time_t) AC_CHECK_SIZEOF(dev_t) +AC_CHECK_SIZEOF(ino_t) AC_CHECK_SIZEOF(rlim_t,,[ #include #include ]) GPERF_TEST="$(echo foo,bar | ${GPERF} -L ANSI-C)" - +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -Wno-error" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([ #include @@ -261,6 +325,7 @@ AC_COMPILE_IFELSE( [AC_MSG_ERROR([** unable to determine gperf len type])] )] ) +CFLAGS="$save_CFLAGS" AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type]) @@ -268,7 +333,7 @@ AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type]) # we use python to build the man page index have_python=no AC_ARG_WITH([python], - [AS_HELP_STRING([--without-python], [Disable building the man page index (default: test)])]) + [AS_HELP_STRING([--without-python], [Disable building the man page index and systemd-python (default: test)])]) have_lxml=no AS_IF([test "x$with_python" != "xno"], [ @@ -287,38 +352,44 @@ AS_IF([test "$have_python" != "yes"], [ AS_IF([test "$with_python" != "no"], [AC_MSG_WARN([*** python support not found, some documentation cannot be built])]) ]) - AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = "xyes"]) # ------------------------------------------------------------------------------ AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])]) -AC_CHECK_HEADERS([linux/btrfs.h], [], []) AC_CHECK_HEADERS([linux/memfd.h], [], []) +AC_CHECK_HEADERS([printf.h], [have_printf_h=yes], [have_printf_h=no]) +AS_IF([test x$have_printf_h = xyes], [ + AC_DEFINE(HAVE_PRINTF_H, 1, [Define if printf.h was found]) +]) + + + # unconditionally pull-in librt with old glibc versions dnl AC_SEARCH_LIBS([clock_gettime], [rt], [], []) dnl AC_SEARCH_LIBS([mq_unlink], [rt], [], []) -AC_ARG_WITH([libcap], - AS_HELP_STRING([--with-libcap=DIR], [Prefix for libcap]), - [CAP_LDFLAGS="-L$with_libcap/lib"], - [CAP_LDFLAGS=""]) save_LIBS="$LIBS" -save_LDFLAGS="$LDFLAGS" LIBS= -LDFLAGS="$LDFLAGS $CAP_LDFLAGS" AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])]) CAP_LIBS="$LIBS" AC_SUBST(CAP_LIBS) -AC_SUBST(CAP_LDFLAGS) -LIBS="$save_LIBS" -LDFLAGS="$save_LDFLAGS" -AC_CHECK_FUNCS([memfd_create]) AC_CHECK_FUNCS([__secure_getenv secure_getenv]) -AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2, kcmp, LO_FLAGS_PARTSCAN], - [], [], [[ +AC_CHECK_DECLS([ + memfd_create, + gettid, + pivot_root, + name_to_handle_at, + setns, + getrandom, + renameat2, + kcmp, + keyctl, + LO_FLAGS_PARTSCAN, + copy_file_range], + [], [], [[ #include #include #include @@ -328,7 +399,14 @@ AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renamea #include ]]) +AC_CHECK_TYPES([char16_t, char32_t, key_serial_t], + [], [], [[ +#include +]]) + AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE, + IN6_ADDR_GEN_MODE_STABLE_PRIVACY, + IFLA_VRF_TABLE, IFLA_MACVLAN_FLAGS, IFLA_IPVLAN_MODE, IFLA_VTI_REMOTE, @@ -336,11 +414,12 @@ AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE, IFLA_BOND_AD_INFO, IFLA_VLAN_PROTOCOL, IFLA_VXLAN_REMCSUM_NOPARTIAL, - IFLA_VXLAN_LOCAL6, IFLA_IPTUN_ENCAP_DPORT, IFLA_GRE_ENCAP_DPORT, IFLA_BRIDGE_VLAN_INFO, + IFLA_BRPORT_PROXYARP, IFLA_BRPORT_LEARNING_SYNC, + IFLA_BR_VLAN_DEFAULT_PVID, NDA_IFINDEX, IFA_FLAGS], [], [], [[ @@ -376,6 +455,16 @@ AC_ARG_WITH([udevbindir], [with_udevbindir=$($PKG_CONFIG --variable=udevdir udev)]) AC_SUBST([udevbindir], [$with_udevbindir]) +# ------------------------------------------------------------------------------ +have_utmp=yes +AC_ARG_ENABLE([utmp], AS_HELP_STRING([--disable-utmp], [disable utmp/wtmp log handling]), + AS_CASE("x${enableval}", + [xyes], [have_utmp=yes], + [xno], [have_utmp=no], + AC_MSG_ERROR(bad value ${enableval} for --enable-utmp))) +AS_IF([test "x$have_utmp" = "xyes"], [AC_DEFINE(HAVE_UTMP, 1, [Define if utmp/wtmp support is enabled])]) +AM_CONDITIONAL([HAVE_UTMP], [test "x$have_utmp" = "xyes"]) + # ------------------------------------------------------------------------------ have_coverage=no AC_ARG_ENABLE(coverage, AS_HELP_STRING([--enable-coverage], [enable test coverage])) @@ -414,6 +503,17 @@ if test "x$enable_selinux" != "xno"; then fi AM_CONDITIONAL(HAVE_SELINUX, [test "$have_selinux" = "yes"]) +# ------------------------------------------------------------------------------ +AC_ARG_WITH([kill-user-processes], + [AS_HELP_STRING([--without-kill-user-processes], [Set elogind's KillUserProcesses=no by default])]) +AS_IF([test "$with_kill_user_processes" != "no"], + [kill_user_processes=true + KILL_USER_PROCESSES=yes], + [kill_user_processes=false + KILL_USER_PROCESSES=no]) +AC_DEFINE_UNQUOTED(KILL_USER_PROCESSES, [$kill_user_processes], [Default KillUserProcesses setting]) +AC_SUBST(KILL_USER_PROCESSES) + # ------------------------------------------------------------------------------ AC_ARG_ENABLE([pam], AS_HELP_STRING([--disable-pam],[Disable optional PAM support]), @@ -501,29 +601,31 @@ AC_ARG_ENABLE([smack], AS_HELP_STRING([--disable-smack],[Disable optional SMACK esac], [have_smack=auto]) -if test "x${have_smack}" = xauto; then +if test "x${have_smack}" != xno; then + AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available]) M4_DEFINES="$M4_DEFINES -DHAVE_SMACK" have_smack=yes fi +AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"]) + +have_smack_run_label=no AC_ARG_WITH(smack-run-label, AS_HELP_STRING([--with-smack-run-label=STRING], - [run elogind --system itself with a specific SMACK label]), - [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run elogind itself with SMACK label])], + [run systemd --system itself with a specific SMACK label]), + [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run systemd itself with SMACK label]) have_smack_run_label=yes], []) +if test "x${have_smack_run_label}" = xyes; then + M4_DEFINES="$M4_DEFINES -DHAVE_SMACK_RUN_LABEL" +fi + AC_ARG_WITH(smack-default-process-label, AS_HELP_STRING([--with-smack-default-process-label=STRING], [default SMACK label for executed processes]), [AC_DEFINE_UNQUOTED(SMACK_DEFAULT_PROCESS_LABEL, ["$withval"], [Default SMACK label for executed processes])], []) -if test "x${have_smack}" = xyes ; then - AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available]) -fi - -AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"]) - # ------------------------------------------------------------------------------ AC_ARG_WITH(system-uid-max, AS_HELP_STRING([--with-system-uid-max=UID] @@ -553,27 +655,13 @@ if test "x$enable_polkit" != "xno"; then fi AM_CONDITIONAL(ENABLE_POLKIT, [test "x$have_polkit" = "xyes"]) -# ------------------------------------------------------------------------------ -have_kdbus=no -AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--disable-kdbus], [do not connect to kdbus by default])) -if test "x$enable_kdbus" != "xno"; then - AC_DEFINE(ENABLE_KDBUS, 1, [Define if kdbus is to be connected to by default]) - have_kdbus=yes - M4_DEFINES="$M4_DEFINES -DENABLE_KDBUS" -fi -AM_CONDITIONAL(ENABLE_KDBUS, [test "$have_kdbus" = "yes"]) - # ------------------------------------------------------------------------------ AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h]) -# ------------------------------------------------------------------------------ -PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0 gio-2.0], - [have_glib=yes], [have_glib=no]) -AS_IF([test "x$have_glib" = "xyes"], [ AC_DEFINE(HAVE_GLIB, 1, [Define if glib is available]) ]) - # ------------------------------------------------------------------------------ have_manpages=no AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages])) +AC_PATH_PROG([XSLTPROC], [xsltproc]) AS_IF([test "x$enable_manpages" != xno], [have_manpages=yes]) AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"]) @@ -723,12 +811,14 @@ AC_MSG_RESULT([ SELinux: ${have_selinux} SMACK: ${have_smack} ACL: ${have_acl} + KillUserProcesses default: ${KILL_USER_PROCESSES} polkit: ${have_polkit} - kdbus: ${have_kdbus} Python: ${have_python} man pages: ${have_manpages} test coverage: ${have_coverage} Split /usr: ${enable_split_usr} + utmp/wtmp support: ${have_utmp} + Link time optimization: ${have_lto} extra debugging: ${enable_debug} cgroup controller: ${with_cgroupctrl}