<code>
diff --git a/sapi/fpm/config.m4 b/sapi/fpm/config.m4
index ad46717..51d7987 100644
--- a/sapi/fpm/config.m4
+++ b/sapi/fpm/config.m4
@@ -101,6 +101,22 @@ AC_DEFUN([AC_FPM_CLOCK],
   fi
 ])
 
+AC_DEFUN([AC_FPM_SYSTEMD],
+[
+  AC_MSG_CHECKING([for systemd])
+  
+    SAVED_LIBS="$LIBS"
+    LIBS="$LIBS -lsystemd-journal -lsystemd-daemon"
+
+    AC_TRY_LINK([ #include <systemd/sd-journal.h> ], [sd_journal_send("Testing linking to sd-journal.h.");], [
+      AC_DEFINE([HAVE_SYSTEMD], 1, [do we have systemd?])
+      AC_MSG_RESULT([yes])
+    ], [
+      LIBS="$SAVED_LIBS"
+      AC_MSG_RESULT([no])
+    ])
+])
+
 AC_DEFUN([AC_FPM_TRACE],
 [
   have_ptrace=no
@@ -544,6 +560,7 @@ if test "$PHP_FPM" != "no"; then
   AC_FPM_STDLIBS
   AC_FPM_PRCTL
   AC_FPM_CLOCK
+  AC_FPM_SYSTEMD
   AC_FPM_TRACE
   AC_FPM_BUILTIN_ATOMIC
   AC_FPM_LQ
</code>