[OE-core] [PATCH V2 2/2] systemd.bbclass: Limit rm_sysvinit_initddir and rm_systemd_unitdir to target alone

[Khem Raj]

These postfuncs cause native recipes to rebuild when changing system
init provider between sysvinit and systemd. Some of these native recipes
are pretty early in dependency chain ( e.g. util-linux ) which can casue
rebuild of pretty much everything including compiler.

Found with bitbake-diffsigs

Hash for dependent task python/python3_3.7.4.bb:do_prepare_recipe_sysroot:virtual:native:/mnt/a/yoe/sources/openembedded-core/meta/recipes-devt
ools/python/python3_3.7.4.bb changed from 2a45fe0cd0d3640a88c4a5c8b1880c4e9a089cc7446a91d2a920c1cef6fa916a to bc2a0921cce50da1b7be3b59a3d8211ec
2a31262493ffa5909acbb7116fad3bf
    Hash for dependent task util-linux/util-linux_2.34.bb:do_populate_sysroot:virtual:native:/mnt/a/yoe/sources/openembedded-core/meta/recipes-
core/util-linux/util-linux_2.34.bb changed from 15d6e165f025f10c2c455df8a875cafe021eaed4214c793e708d4827a58ca89d to 54e542d5da99cacfc9290ef5d27
9de50bdcb9195f67ae6dfff59fe41d10f7bd2
        Hash for dependent task util-linux/util-linux_2.34.bb:do_install:virtual:native:/mnt/a/yoe/sources/openembedded-core/meta/recipes-core/
util-linux/util-linux_2.34.bb changed from e25b1119ce8dd7ca43fbd2db771e04fa6ff6b9d701fd78ac6c443224b036ed9f to bb5b172a83e7edd272402a9dcd80c4e1
29aa1ecb824c2cfa388086cfed24fef5
            basehash changed from 62df6610eab9c1b1a17d7132943507641c8538690f26186843c86144d4598e64 to 80471f7c0bded9d1b593da69708b0e0f10882db08
5e1bf769edb3018e6c744d0
            Variable rm_sysvinit_initddir value changed:
            @@ -11,4 +11,4 @@
                         shutil.rmtree(sysv_initddir)

             DISTRO_FEATURES{systemd} = Unset
            -DISTRO_FEATURES{sysvinit} = Set
            +DISTRO_FEATURES{sysvinit} = Unset

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
v2: Rebase

 meta/classes/systemd.bbclass | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/meta/classes/systemd.bbclass b/meta/classes/systemd.bbclass
index d1cb17dc8d..747055b8fa 100644
--- a/meta/classes/systemd.bbclass
+++ b/meta/classes/systemd.bbclass
@@ -214,7 +214,6 @@ python rm_systemd_unitdir (){
         if (os.path.exists(systemd_libdir) and not os.listdir(systemd_libdir)):
             os.rmdir(systemd_libdir)
 }
-do_install[postfuncs] += "rm_systemd_unitdir "
 
 python rm_sysvinit_initddir (){
     import shutil
@@ -229,4 +228,8 @@ python rm_sysvinit_initddir (){
         if (os.path.exists(systemd_system_unitdir) and os.listdir(systemd_system_unitdir)):
             shutil.rmtree(sysv_initddir)
 }
-do_install[postfuncs] += "rm_sysvinit_initddir "
+
+do_install[postfuncs] += "${RMINITDIR} "
+RMINITDIR_class-target = " rm_sysvinit_initddir rm_systemd_unitdir "
+RMINITDIR = ""
+
-- 
2.22.0