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Diffstat (limited to 'm4/systemd.m4')
| -rw-r--r-- | m4/systemd.m4 | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/m4/systemd.m4 b/m4/systemd.m4 new file mode 100644 index 0000000..66dc62c --- /dev/null +++ b/m4/systemd.m4 @@ -0,0 +1,223 @@ +# systemd.m4 - Macros to check for and enable systemd -*- Autoconf -*- +# +# Copyright (C) 2014 Luis R. Rodriguez <mcgrof@suse.com> +# Copyright (C) 2016 Pieter Lexis <pieter.lexis@powerdns.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +#serial 2 + +dnl Some optional path options +AC_DEFUN([AX_SYSTEMD_OPTIONS], [ + AC_ARG_WITH(systemd, [ --with-systemd set directory for systemd service files], + SYSTEMD_DIR="$withval", SYSTEMD_DIR="") + AC_SUBST(SYSTEMD_DIR) + + AC_ARG_WITH(systemd, [ --with-systemd-modules-load set directory for systemd modules load files], + SYSTEMD_MODULES_LOAD="$withval", SYSTEMD_MODULES_LOAD="") + AC_SUBST(SYSTEMD_MODULES_LOAD) +]) + +AC_DEFUN([AX_ENABLE_SYSTEMD_OPTS], [ + AX_ARG_DEFAULT_ENABLE([systemd], [Disable systemd support]) + AX_SYSTEMD_OPTIONS() +]) + +AC_DEFUN([AX_ALLOW_SYSTEMD_OPTS], [ + AX_ARG_DEFAULT_DISABLE([systemd], [Enable systemd support], [$1]) + AX_SYSTEMD_OPTIONS() +]) + +AC_DEFUN([AX_CHECK_SYSTEMD_LIBS], [ + AC_REQUIRE([AX_CHECK_SYSTEMD_DETECT_AND_ENABLE]) + AS_IF([test "x$libsystemd" = x], [ + AC_MSG_ERROR([Unable to find a suitable libsystemd library]) + ]) + + PKG_CHECK_MODULES([SYSTEMD], [$libsystemd_daemon]) + dnl pkg-config older than 0.24 does not set these for + dnl PKG_CHECK_MODULES() worth also noting is that as of version 208 + dnl of systemd pkg-config --cflags currently yields no extra flags yet. + AC_SUBST([SYSTEMD_CFLAGS]) + AC_SUBST([SYSTEMD_LIBS]) + + AS_IF([test "x$SYSTEMD_DIR" = x], [ + dnl In order to use the line below we need to fix upstream systemd + dnl to properly ${prefix} for child variables in + dnl src/core/systemd.pc.in but this is a bit complex at the + dnl moment as they depend on another rootprefix, which can vary + dnl from prefix in practice. We provide our own definition as we + dnl *know* where systemd will dump this to, but this does limit + dnl us to stick to a non custom systemdsystemunitdir, dnl to work + dnl around this we provide the additional configure option + dnl --with-systemd where you can specify the directory for the unit + dnl files. It would also be best to just extend the upstream + dnl pkg-config pkg.m4 with an AC_DEFUN() to do this neatly. + dnl SYSTEMD_DIR="`$PKG_CONFIG --define-variable=prefix=$PREFIX --variable=systemdsystemunitdir systemd`" + SYSTEMD_DIR="\$(prefix)/lib/systemd/system/" + ], []) + + AS_IF([test "x$SYSTEMD_DIR" = x], [ + AC_MSG_ERROR([SYSTEMD_DIR is unset]) + ], []) + + dnl There is no variable for this yet for some reason + AS_IF([test "x$SYSTEMD_MODULES_LOAD" = x], [ + SYSTEMD_MODULES_LOAD="\$(prefix)/lib/modules-load.d/" + ], []) + + AS_IF([test "x$SYSTEMD_MODULES_LOAD" = x], [ + AC_MSG_ERROR([SYSTEMD_MODULES_LOAD is unset]) + ], []) +]) + +AC_DEFUN([AX_CHECK_SYSTEMD], [ + dnl Respect user override to disable + AS_IF([test "x$enable_systemd" != "xno"], [ + AS_IF([test "x$systemd" = "xy" ], [ + AC_DEFINE([HAVE_SYSTEMD], [1], [Systemd available and enabled]) + systemd=y + AX_CHECK_SYSTEMD_LIBS() + ],[systemd=n]) + ],[systemd=n]) +]) + +AC_DEFUN([AX_CHECK_SYSTEMD_DETECT_AND_ENABLE], [ + AC_CHECK_HEADER([systemd/sd-daemon.h], [ + for libname in systemd-daemon systemd; do + AC_CHECK_LIB([$libname], [sd_listen_fds], [ + libsystemd_daemon="lib$libname" + systemd=y + libsystemd=y + ]) + done + ]) +]) + +dnl Enables systemd by default and requires a --disable-systemd option flag +dnl to configure if you want to disable. +AC_DEFUN([AX_ENABLE_SYSTEMD], [ + AX_ENABLE_SYSTEMD_OPTS() + AX_CHECK_SYSTEMD() +]) + +dnl Systemd will be disabled by default and requires you to run configure with +dnl --enable-systemd to look for and enable systemd. +AC_DEFUN([AX_ALLOW_SYSTEMD], [ + AX_ALLOW_SYSTEMD_OPTS() + AX_CHECK_SYSTEMD() +]) + +dnl Systemd will be disabled by default but if your build system is detected +dnl to have systemd build libraries it will be enabled. You can always force +dnl disable with --disable-systemd +AC_DEFUN([AX_AVAILABLE_SYSTEMD], [ + AX_ALLOW_SYSTEMD_OPTS([, but will be enabled when libraries are found]) + AX_CHECK_SYSTEMD_DETECT_AND_ENABLE() + AX_CHECK_SYSTEMD() +]) + +AC_DEFUN([AX_CHECK_SYSTEMD_FEATURES], [ + AS_IF([test x"$systemd" = "xy"], [ + AC_PATH_PROG([SYSTEMCTL], [systemctl], [no]) + AS_IF([test "$SYSTEMCTL" = "no"], + [AC_MSG_ERROR([systemctl not found])], [ + _systemd_version=`${SYSTEMCTL} --version|head -1 |cut -d" " -f 2` + if test $_systemd_version -ge 183; then + systemd_private_tmp=y + fi + if test $_systemd_version -ge 209; then + systemd_system_call_architectures=y + systemd_private_devices=y + fi + if test $_systemd_version -ge 211; then + systemd_restrict_address_families=y + fi + if test $_systemd_version -ge 214; then + systemd_protect_system=y + systemd_protect_home=y + fi + if test $_systemd_version -ge 231; then + systemd_restrict_realtime=y + systemd_memory_deny_write_execute=y + fi + if test $_systemd_version -ge 232; then + systemd_protect_control_groups=y + systemd_protect_kernel_modules=y + systemd_protect_kernel_tunables=y + systemd_remove_ipc=y + systemd_dynamic_user=y + systemd_private_users=y + systemd_protect_system_strict=y + fi + if test $_systemd_version -ge 233; then + systemd_restrict_namespaces=y + fi + if test $_systemd_version -ge 235; then + systemd_lock_personality=y + # while SystemCallFilter is technically available starting with 187, + # we use the pre-defined call filter sets that have been introduced later. + # Initial support for these landed in 231 + # @filesystem @reboot @swap in 233 + # @aio, @sync, @chown, @setuid, @memlock, @signal and @timer in 235 + systemd_system_call_filter=y + fi + if test $_systemd_version -ge 236; then + systemd_percent_t=y + fi + if test $_systemd_version -ge 239; then + systemd_private_mounts=y + fi + if test $_systemd_version -ge 240; then + systemd_with_runtime_dir_env=y + fi + if test $_systemd_version -ge 242; then + systemd_protect_hostname=y + systemd_restrict_suidsgid=y + fi + if test $_systemd_version -ge 244; then + systemd_protect_kernel_logs=y + fi + if test $_systemd_version -ge 245; then + systemd_protect_clock=y + fi + ]) + ]) + AM_CONDITIONAL([HAVE_SYSTEMD_DYNAMIC_USER], [ test x"$systemd_dynamic_user" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_LOCK_PERSONALITY], [ test x"$systemd_lock_personality" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_MEMORY_DENY_WRITE_EXECUTE], [ test x"$systemd_memory_deny_write_execute" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PERCENT_T], [ test x"$systemd_percent_t" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PRIVATE_DEVICES], [ test x"$systemd_private_devices" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PRIVATE_MOUNTS], [ test x"$systemd_private_mounts" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PRIVATE_TMP], [ test x"$systemd_private_tmp" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PRIVATE_USERS], [ test x"$systemd_private_users" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_CLOCK], [ test x"$systemd_protect_clock" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_CONTROL_GROUPS], [ test x"$systemd_protect_control_groups" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_HOME], [ test x"$systemd_protect_home" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_HOSTNAME], [ test x"$systemd_protect_hostname" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_KERNEL_LOGS], [ test x"$systemd_protect_kernel_logs" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_KERNEL_MODULES], [ test x"$systemd_protect_kernel_modules" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_KERNEL_TUNABLES], [ test x"$systemd_protect_kernel_tunables" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_SYSTEM], [ test x"$systemd_protect_system" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_PROTECT_SYSTEM_STRICT], [ test x"$systemd_protect_system_strict" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_REMOVE_IPC], [ test x"$systemd_remove_ipc" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_RESTRICT_ADDRESS_FAMILIES], [ test x"$systemd_restrict_address_families" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_RESTRICT_NAMESPACES], [ test x"$systemd_restrict_namespaces" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_RESTRICT_REALTIME], [ test x"$systemd_restrict_realtime" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_RESTRICT_SUIDSGID], [ test x"$systemd_restrict_suidsgid" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_SYSTEM_CALL_ARCHITECTURES], [ test x"$systemd_system_call_architectures" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_SYSTEM_CALL_FILTER], [ test x"$systemd_system_call_filter" = "xy" ]) + AM_CONDITIONAL([HAVE_SYSTEMD_WITH_RUNTIME_DIR_ENV], [ test x"$systemd_with_runtime_dir_env" = "xy" ]) +]) |