[Buildroot] [git commit] systemd: add optional dependency on pcre2

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=b8dd03de565296698ceaff2aca22867ef365613c
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

systemd can use libpcre2 when available, so this commit adds the
detection of this library.

Signed-off-by: Jérémy Rosen <jeremy.rosen at smile.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 package/systemd/systemd.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
index 16c9d9f290..0d5e348594 100644
--- a/package/systemd/systemd.mk
+++ b/package/systemd/systemd.mk
@@ -144,6 +144,13 @@ else
 SYSTEMD_CONF_OPTS += -Dgcrypt=false
 endif
 
+ifeq ($(BR2_PACKAGE_PCRE2),y)
+SYSTEMD_DEPENDENCIES += pcre2
+SYSTEMD_CONF_OPTS += -Dpcre2=true
+else
+SYSTEMD_CONF_OPTS += -Dpcre2=false
+endif
+
 ifeq ($(BR2_PACKAGE_SYSTEMD_JOURNAL_GATEWAY),y)
 SYSTEMD_DEPENDENCIES += libmicrohttpd
 SYSTEMD_CONF_OPTS += -Dmicrohttpd=true