Some distros may prefer to use the upstream systemd support for
starting getty on serial ports. This is now possible by adding
"serial-getty-generator" to PACKAGECONFIG.

The default is unchanged, i.e. systemd's own [email protected]
file does not get packaged and instead systemd-serialgetty is pulled
into images via RRECOMMENDS.

Signed-off-by: Patrick Ohly <[email protected]>
---
 meta/recipes-core/systemd/systemd_229.bb | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/meta/recipes-core/systemd/systemd_229.bb 
b/meta/recipes-core/systemd/systemd_229.bb
index cd48360..3c4d877 100644
--- a/meta/recipes-core/systemd/systemd_229.bb
+++ b/meta/recipes-core/systemd/systemd_229.bb
@@ -148,6 +148,11 @@ PACKAGECONFIG[lz4] = "--enable-lz4,--disable-lz4,lz4"
 PACKAGECONFIG[xz] = "--enable-xz,--disable-xz,xz"
 PACKAGECONFIG[zlib] = "--enable-zlib,--disable-zlib,zlib"
 
+# Use the upstream systemd [email protected] and rely on
+# systemd-getty-generator instead of using the OE-core specific
+# systemd-serialgetty.bb - not enabled by default.
+PACKAGECONFIG[serial-getty-generator] = ""
+
 CACHED_CONFIGUREVARS += "ac_cv_path_KILL=${base_bindir}/kill"
 CACHED_CONFIGUREVARS += "ac_cv_path_KMOD=${base_bindir}/kmod"
 CACHED_CONFIGUREVARS += "ac_cv_path_QUOTACHECK=${sbindir}/quotacheck"
@@ -201,8 +206,10 @@ do_configure_prepend() {
 do_install() {
        autotools_do_install
        install -d ${D}/${base_sbindir}
-       # Provided by a separate recipe
-       rm ${D}${systemd_unitdir}/system/serial-getty* -f
+       if ${@bb.utils.contains('PACKAGECONFIG', 'serial-getty-generator', 
'false', 'true', d)}; then
+               # Provided by a separate recipe
+               rm ${D}${systemd_unitdir}/system/serial-getty* -f
+       fi
 
        # Provide support for initramfs
        [ ! -e ${D}/init ] && ln -s ${rootlibexecdir}/systemd/systemd ${D}/init
@@ -439,7 +446,9 @@ FILES_${PN}-dev += "${base_libdir}/security/*.la 
${datadir}/dbus-1/interfaces/ $
 RDEPENDS_${PN} += "kmod dbus util-linux-mount udev (= ${EXTENDPKGV})"
 RDEPENDS_${PN} += "volatile-binds update-rc.d"
 
-RRECOMMENDS_${PN} += "systemd-serialgetty systemd-vconsole-setup \
+RRECOMMENDS_${PN} += " \
+                      ${@bb.utils.contains('PACKAGECONFIG', 
'serial-getty-generator', '', 'systemd-serialgetty', d)} \
+                      systemd-vconsole-setup \
                       systemd-extra-utils \
                       systemd-compat-units udev-hwdb \
                       util-linux-agetty  util-linux-fsck e2fsprogs-e2fsck \
-- 
2.1.4

-- 
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