dnl A macro to check presence of systemd on the system

PKG_CHECK_EXISTS([systemd],

[HAVE_SYSTEMD=yes],

[HAVE_SYSTEMD=no])

dnl Libraries libsystemd-journal and libsystem-login are deprecarted

dnl since systemd 209 and are removed in systemd 230. The library libsystemd

dnl is replacement of libsystemd-{login,journal,daemon,id128} libraries

PKG_CHECK_EXISTS([libsystemd],

[HAVE_LIBSYSTEMD=yes],

[HAVE_LIBSYSTEMD=no])

AS_IF([test x$HAVE_LIBSYSTEMD = xyes],

[login_lib_name=libsystemd],

[login_lib_name=libsystemd-login])

AS_IF([test x$HAVE_SYSTEMD = xyes],

[AC_DEFINE_UNQUOTED([HAVE_SYSTEMD], 1, [Build with systemd support])],

[AC_MSG_NOTICE([Build without systemd support])])

AS_IF([test x$HAVE_SYSTEMD = xyes],

[PKG_CHECK_MODULES(

[SYSTEMD_LOGIN],

[$login_lib_name],

[AC_DEFINE_UNQUOTED([HAVE_SYSTEMD_LOGIN], 1,

[Build with $login_lib_name support])],

[AC_MSG_NOTICE([Build without $login_lib_name support])])],

[AC_MSG_NOTICE([Build without $login_lib_name support])])

AS_IF([test x$HAVE_LIBSYSTEMD = xyes],

[daemon_lib_name=libsystemd],

[daemon_lib_name=libsystemd-daemon])

AS_IF([test x$HAVE_SYSTEMD = xyes],

[PKG_CHECK_MODULES(

[SYSTEMD_DAEMON],

[$daemon_lib_name],

[AC_DEFINE_UNQUOTED([HAVE_SYSTEMD_DAEMON], 1,

[Build with $daemon_lib_name support])],

[AC_MSG_NOTICE([Build without $daemon_lib_name support])])],

[AC_MSG_NOTICE([Build without $daemon_lib_name support])])

dnl A macro to check presence of journald on the system

AC_DEFUN([AM_CHECK_JOURNALD],

[

AS_IF([test x$HAVE_LIBSYSTEMD = xyes],

[journal_lib_name=libsystemd],

[journal_lib_name=libsystemd-journal])

PKG_CHECK_MODULES(JOURNALD, [$journal_lib_name],

[AC_DEFINE_UNQUOTED([WITH_JOURNALD], 1,

[journald is available])])

dnl Some older versions of pkg-config might not set these automatically

dnl while setting CFLAGS and LIBS manually twice doesn't hurt.

AC_SUBST([JOURNALD_CFLAGS])

AC_SUBST([JOURNALD_LIBS])

])