dnl Check for systemd-daemon PKG_CHECK_MODULES(SYSTEMD, [libsystemd], [AC_DEFINE([HAVE_SYSTEMD],,[systemd is supported])], [PKG_CHECK_MODULES(SYSTEMD, [libsystemd-daemon], [AC_DEFINE([HAVE_SYSTEMD],,[systemd-daemon is supported])], [AC_MSG_RESULT([systemd is not supported])])]) CLAMD_LIBS="$CLAMD_LIBS $SYSTEMD_LIBS" CFLAGS="$CFLAGS $SYSTEMD_CFLAGS" dnl Check for systemd system unit installation directory (see man 7 daemon) AC_ARG_WITH([systemdsystemunitdir], AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),, [with_systemdsystemunitdir=auto]) AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [ def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd) AS_IF([test "x$def_systemdsystemunitdir" = "x"], [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"], [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])]) with_systemdsystemunitdir=no], [with_systemdsystemunitdir=$def_systemdsystemunitdir])]) AS_IF([test "x$with_systemdsystemunitdir" != "xno"], [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])]) AM_CONDITIONAL(INSTALL_SYSTEMD_UNITS, [test "x$with_systemdsystemunitdir" != "xno"]) AC_MSG_RESULT([checking for systemd system unit installation directory... $with_systemdsystemunitdir])