systemd: Print a buildtime warning about the status with musl

It is possible if a user really has to use it, but not recommended.

(From OE-Core rev: 10c1a27501a32740a03c3c6c0684c7d24374af08)

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/meta/recipes-core/systemd/systemd_242.bb b/meta/recipes-core/systemd/systemd_242.bb
index b368ca8a2c..cfa9c079ab 100644
--- a/meta/recipes-core/systemd/systemd_242.bb
+++ b/meta/recipes-core/systemd/systemd_242.bb
@@ -619,6 +619,12 @@ python __anonymous() {
         d.setVar("INHIBIT_UPDATERCD_BBCLASS", "1")
 }
 
+python do_warn_musl() {
+    if d.getVar('TCLIBC') == "musl":
+        bb.warn("Using systemd with musl is not recommended since it is not supported upstream and some patches are known to be problematic.")
+}
+addtask warn_musl before do_configure
+
 ALTERNATIVE_${PN} = "halt reboot shutdown poweroff runlevel resolv-conf"
 
 ALTERNATIVE_TARGET[resolv-conf] = "${sysconfdir}/resolv-conf.systemd"