[Android General] leqacy:
I am trying to build LineageOS 16 for walleye.

I did

repo init -u https://github.com/LineageOS/android.git -b lineage-16.0

Added Muppets for walleye

repo sync
lunch lineage_walleye-userdebug
mka bacon.

Then I get a build error at 73%
FAILED: /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates/ipa_nat_drv.o
/bin/bash -c "PWD=/proc/self/cwd prebuilts/clang/host/linux-x86/clang-4691093/bin/clang	-I hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src/../inc -I hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src -I hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src -I /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates -I /home/john/walleye/android/lineage/out/target/product/walleye/gen/SHARED_LIBRARIES/libipanat_intermediates \$(cat /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates/import_includes) -isystem /home/john/walleye/android/lineage/out/target/product/walleye/obj/include -c -Werror=implicit-function-declaration -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith -no-canonical-prefixes -DNDEBUG -UDEBUG -fno-exceptions -Wno-multichar -O2 -g -fno-strict-aliasing -fdebug-prefix-map=/proc/self/cwd= -D__compiler_offsetof=__builtin_offsetof -Werror=int-conversion -Wno-reserved-id-macro -Wno-format-pedantic -Wno-unused-command-line-argument -fcolor-diagnostics -Wno-expansion-to-defined -Wno-zero-as-null-pointer-constant -fdebug-prefix-map=\$PWD/= -ffunction-sections -fdata-sections -fno-short-enums -funwind-tables -fstack-protector-strong -Wa,--noexecstack -D_FORTIFY_SOURCE=2 -Wstrict-aliasing=2 -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Werror=date-time -Werror=format-security -nostdlibinc -march=armv8-a -mcpu=cortex-a53 -target aarch64-linux-android -Bprebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9/aarch64-linux-android/bin -std=gnu99 -DDEBUG -Wall -Werror -D__ANDROID_API__=28 -D__ANDROID_VNDK__ -fPIC -D_USING_LIBCXX -DANDROID_STRICT -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=address-of-temporary -Werror=return-type -Wno-tautological-constant-compare -Wno-null-pointer-arithmetic -Wno-enum-compare -Wno-enum-compare-switch -MD -MF /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates/ipa_nat_drv.d -o /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates/ipa_nat_drv.o hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src/ipa_nat_drv.c"
In file included from hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src/ipa_nat_drv.c:31:
hardware/qcom/data/ipacfg-mgr/msm8998/ipanat/src/../inc/ipa_nat_drvi.h:38:10: fatal error: 'linux/msm_ipa.h' file not found
#include <linux/msm_ipa.h>
^~~~~~~~~~~~~~~~~
1 error generated.
[ 73% 84154/113851] target C: libipan...-mgr/msm8998/ipanat/src/ipa_nat_drvi.c
FAILED: /home/john/walleye/android/lineage/out/target/product/walleye/obj/SHARED_LIBRARIES/libipanat_intermediates/ipa_nat_drvi.o

I haven't found any similar errors when searching the web, hence why I am stuck as to how to fix this error. Any ideas on how I can analyze or fix this?