[BLISS ROMS Development] protectivedad:
Using BlissRoms-x86 gives:

Building proprietary tools, part 1... This won't take too long...
find: ‘vendor/bliss_priv/proprietary/houdini’: No such file or directory
============================================
BLISS_VERSION=Bliss-v11.9--UNOFFICIAL-20190607
TARGET_PRODUCT=android_x86_64
TARGET_BUILD_VARIANT=userdebug
TARGET_ARCH=x86_64
TARGET_ARCH_VARIANT=x86_64
BUILD_ID=PQ2A.190405.003
============================================
ninja: no work to do.
[1/1] /home/anthony/p9.0-x86/out/soong/.bootstrap/bin/soong_build /home/anthony/p9.0-x86/out/soong/build.ninja
FAILED: /home/anthony/p9.0-x86/out/soong/build.ninja
/home/anthony/p9.0-x86/out/soong/.bootstrap/bin/soong_build -t -l /home/anthony/p9.0-x86/out/.module_paths/Android.bp.list -b /home/anthony/p9.0-x86/out/soong -n /home/anthony/p9.0-x86/out -d /home/anthony/p9.0-x86/out/soong/build.ninja.d -o /home/anthony/p9.0-x86/out/soong/build.ninja Android.bp
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/external/nanopb/pb_common.c does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/external/nanopb/pb_encode.c does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/external/nanopb/pb_decode.c does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/resetprop/resetprop.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/resetprop/persist_properties.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/resetprop/system_property_api.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/resetprop/system_property_set.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/context_node.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/contexts_serialized.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/contexts_split.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/prop_area.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/prop_info.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/property_info_parser.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/system_properties.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/new.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/file.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/logging.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/misc.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/selinux.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/xwrap.cpp does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/include does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/utils/include does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/resetprop does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/systemproperties/include does not exist
error: vendor/magisk/Android.bp:1:1: module "resetprop" variant "android_x86_64_core": module source path vendor/magisk/Magisk/native/jni/external/nanopb does not exist
ninja: build stopped: subcommand failed.
11:44:19 soong bootstrap failed with: exit status 1

There are the obvious errors but also I notice it tries to find proprietary/houdini and fails.

Are these because of the previous conflicts? What key words in the error tells me where to look in the patches to fix the build errors?

Thanks.