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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=1, AC_SUBST(HAVE_SYSTEMD) ],
[AC_MSG_ERROR([Could not detect systemd presence])]
)
])
AM_COND_IF([HAVE_SYSTEMD],
[PKG_CHECK_MODULES([SYSTEMD_LOGIN], [libsystemd-login],
[AC_DEFINE_UNQUOTED(HAVE_SYSTEMD_LOGIN, 1, [Build with libsystemdlogin support])],
[AC_MSG_NOTICE([Build without libsystemd-login support])])])
dnl A macro to check presence of journald on the system
AC_DEFUN([AM_CHECK_JOURNALD],
[
PKG_CHECK_MODULES(JOURNALD,
libsystemd-journal,
[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])
])
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