From 72d4d89c3d823ae4d771f4ab5dc15dac98ede764 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 8 Aug 2021 07:07:18 +0100
Subject: [PATCH] configure.ac, pppd/Makefile.am: use pkg-config to link
 against systemd

Signed-off-by: Sam James <sam@gentoo.org>
---
 configure.ac     | 4 ++++
 pppd/Makefile.am | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 819d766..93e60f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,6 +106,10 @@ AM_CONDITIONAL(WITH_SYSTEMD, test "x${enable_systemd}" = "xyes")
 AM_COND_IF([WITH_SYSTEMD],
     AC_DEFINE([SYSTEMD], 1, [Enable support for systemd notifications]))
 
+if test "x${enable_systemd}" = "xyes"; then
+	PKG_CHECK_MODULES([systemd], [systemd])
+fi
+
 #
 # Enable Callback Protocol Support, disabled by default
 AC_ARG_ENABLE([cbcp],
diff --git a/pppd/Makefile.am b/pppd/Makefile.am
index c3f512f..d0dcf8a 100644
--- a/pppd/Makefile.am
+++ b/pppd/Makefile.am
@@ -171,7 +171,8 @@ utest_chap_LDADD = libppp_crypt.la
 pppd_LIBS += libppp_crypt.la
 
 if WITH_SYSTEMD
-pppd_LIBS += -lsystemd
+pppd_CPPFLAGS += $(SYSTEMD_CFLAGS)
+pppd_LIBS += $(SYSTEMD_LIBS)
 endif
 
 if WITH_SRP
-- 
2.39.2