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dnl A macro to check presence of systemd on the system
AC_DEFUN([AM_CHECK_SYSTEMD],
[
PKG_CHECK_EXISTS([systemd],
[HAVE_SYSTEMD=yes],
[HAVE_SYSTEMD=no])
dnl older system uses libsystemd
PKG_CHECK_EXISTS([libsystemd],
[HAVE_LIBSYSTEMD=yes],
[HAVE_LIBSYSTEMD=no])
dnl newer systemd splits libsystemd in slaler libs
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([Will enable systemd socket activation])],
[AC_MSG_NOTICE([Build without $daemon_lib_name support])])],
[AC_MSG_NOTICE([Build without $daemon_lib_name support])])
AM_CONDITIONAL([HAVE_SYSTEMD_DAEMON], [test x"$daemon_lib_name" != x])
])
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