-diff --git a/acinclude.m4 b/acinclude.m4
-index 580eb4a..bd7e2c9 100644
---- a/acinclude.m4
-+++ b/acinclude.m4
-@@ -594,6 +594,30 @@ AC_DEFUN(APACHE_CHECK_OPENSSL,[
- fi
- ])
-
-+AC_DEFUN(APACHE_CHECK_SYSTEMD, [
-+dnl Check for systemd support for listen.c's socket activation.
-+case $host in
-+*-linux-*)
-+ if test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd; then
-+ SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd`
-+ elif test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd-daemon; then
-+ SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd-daemon`
-+ else
-+ AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
-+ fi
-+ if test -n "$SYSTEMD_LIBS"; then
-+ AC_CHECK_HEADERS(systemd/sd-daemon.h)
-+ if test "${ac_cv_header_systemd_sd_daemon_h}" = "no" || test -z "${SYSTEMD_LIBS}"; then
-+ AC_MSG_WARN([Your system does not support systemd.])
-+ else
-+ APR_ADDTO(LIBS, [$SYSTEMD_LIBS])
-+ AC_DEFINE(HAVE_SYSTEMD, 1, [Define if systemd is supported])
-+ fi
-+ fi
-+ ;;
-+esac
-+])
-+
- dnl
- dnl APACHE_EXPORT_ARGUMENTS
- dnl Export (via APACHE_SUBST) the various path-related variables that
-diff --git a/configure.in b/configure.in
-index 19a5f88..f096de3 100644
---- a/configure.in
-+++ b/configure.in
-@@ -509,6 +509,8 @@ if test "$ac_cv_struct_tm_gmtoff" = "yes"; then
- AC_DEFINE(HAVE_GMTOFF, 1, [Define if struct tm has a tm_gmtoff field])
- fi
-
-+APACHE_CHECK_SYSTEMD
-+
- dnl ## Set up any appropriate OS-specific environment variables for apachectl
-
- case $host in
+--- httpd-2.4.46/acinclude.m4.detectsystemd 2020-08-07 22:51:40.475205331 +0300
++++ httpd-2.4.46/acinclude.m4 2020-08-07 22:54:08.828106207 +0300
+@@ -616,7 +616,7 @@
+ elif test -n "$PKGCONFIG" && $PKGCONFIG --exists libsystemd-daemon; then
+ SYSTEMD_LIBS=`$PKGCONFIG --libs libsystemd-daemon`
+ else
+- AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
++ AC_CHECK_LIB(systemd, sd_notify, SYSTEMD_LIBS="-lsystemd")
+ fi
+ if test -n "$SYSTEMD_LIBS"; then
+ AC_CHECK_HEADERS(systemd/sd-daemon.h)