Comment 28 for bug 1760876

Hello,
I am getting the same error while installing the 'display-link' in Ubuntu 16.04 LTS, which I installed on Lenovo Thinkpad Carbon 6th.
Here is the output of the run command [1]. What one need to do to fix this error?

Best Regards,

[1]
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pooja@X1-Carbon-6:~/Downloads/displaylink$ sudo ./displaylink-driver-4.2.29.run
Verifying archive integrity... 100% All good.
Uncompressing DisplayLink Linux Driver 4.2.29 100%
DisplayLink Linux Software 4.2.29 install script called: install
Distribution discovered: Ubuntu 16.04.5 LTS
Installing
Configuring EVDI DKMS module
Registering EVDI kernel module with DKMS
Building EVDI kernel module with DKMS
ERROR (code 3): Failed to build evdi/4.2.29. Consult /var/lib/dkms/evdi/4.2.29/build/make.log for details..

[2]
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pooja@X1-Carbon-6:~/Downloads/displaylink$ sudo cat /var/lib/dkms/evdi/4.2.29/build/make.log
DKMS make.log for evdi-4.2.29 for kernel 4.19.0-041900rc4-lowlatency (x86_64)
Di 18. Sep 12:15:11 CEST 2018
make KBUILD_VERBOSE=1 SUBDIRS=/var/lib/dkms/evdi/4.2.29/build SRCROOT=/var/lib/dkms/evdi/4.2.29/build CONFIG_MODULE_SIG= -C /lib/modules/4.19.0-041900rc4-lowlatency/build modules
make[1]: Entering directory '/usr/src/linux-headers-4.19.0-041900rc4-lowlatency'
test -e include/generated/autoconf.h -a -e include/config/auto.conf || ( \
echo >&2; \
echo >&2 " ERROR: Kernel configuration is invalid."; \
echo >&2 " include/generated/autoconf.h or include/config/auto.conf are missing.";\
echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \
echo >&2 ; \
/bin/false)
mkdir -p /var/lib/dkms/evdi/4.2.29/build/.tmp_versions ; rm -f /var/lib/dkms/evdi/4.2.29/build/.tmp_versions/*
make -f ./scripts/Makefile.build obj=/var/lib/dkms/evdi/4.2.29/build
(cat /dev/null; echo kernel//var/lib/dkms/evdi/4.2.29/build/evdi.ko;) > /var/lib/dkms/evdi/4.2.29/build/modules.order
  gcc -Wp,-MD,/var/lib/dkms/evdi/4.2.29/build/.evdi_drv.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/5/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Iinclude/drm -DMODULE -DKBUILD_BASENAME='"evdi_drv"' -DKBUILD_MODNAME='"evdi"' -c -o /var/lib/dkms/evdi/4.2.29/build/evdi_drv.o /var/lib/dkms/evdi/4.2.29/build/evdi_drv.c
   ./tools/objtool/objtool check --module --retpoline "/var/lib/dkms/evdi/4.2.29/build/evdi_drv.o";
  gcc -Wp,-MD,/var/lib/dkms/evdi/4.2.29/build/.evdi_modeset.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/5/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Iinclude/drm -DMODULE -DKBUILD_BASENAME='"evdi_modeset"' -DKBUILD_MODNAME='"evdi"' -c -o /var/lib/dkms/evdi/4.2.29/build/evdi_modeset.o /var/lib/dkms/evdi/4.2.29/build/evdi_modeset.c
   ./tools/objtool/objtool check --module --retpoline "/var/lib/dkms/evdi/4.2.29/build/evdi_modeset.o";
  gcc -Wp,-MD,/var/lib/dkms/evdi/4.2.29/build/.evdi_connector.o.d -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/5/include -I./arch/x86/include -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./arch/x86/include/generated/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -include ./include/linux/compiler_types.h -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -Werror-implicit-function-declaration -Wno-format-security -std=gnu89 -fno-PIE -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m64 -falign-jumps=1 -falign-loops=1 -mno-80387 -mno-fp-ret-in-387 -mpreferred-stack-boundary=3 -mskip-rax-setup -mtune=generic -mno-red-zone -mcmodel=kernel -funit-at-a-time -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables -mindirect-branch=thunk-extern -mindirect-branch-register -DRETPOLINE -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -Wframe-larger-than=1024 -fstack-protector-strong -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -pg -mrecord-mcount -mfentry -DCC_USING_FENTRY -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Werror=date-time -Werror=incompatible-pointer-types -Werror=designated-init -Iinclude/drm -DMODULE -DKBUILD_BASENAME='"evdi_connector"' -DKBUILD_MODNAME='"evdi"' -c -o /var/lib/dkms/evdi/4.2.29/build/evdi_connector.o /var/lib/dkms/evdi/4.2.29/build/evdi_connector.c
/var/lib/dkms/evdi/4.2.29/build/evdi_connector.c: In function ‘evdi_get_modes’:
/var/lib/dkms/evdi/4.2.29/build/evdi_connector.c:34:3: error: implicit declaration of function ‘drm_mode_connector_update_edid_property’ [-Werror=implicit-function-declaration]
   drm_mode_connector_update_edid_property(connector, NULL);
   ^
/var/lib/dkms/evdi/4.2.29/build/evdi_connector.c: In function ‘evdi_connector_init’:
/var/lib/dkms/evdi/4.2.29/build/evdi_connector.c:146:2: error: implicit declaration of function ‘drm_mode_connector_attach_encoder’ [-Werror=implicit-function-declaration]
  drm_mode_connector_attach_encoder(connector, encoder);
  ^
cc1: some warnings being treated as errors
scripts/Makefile.build:305: recipe for target '/var/lib/dkms/evdi/4.2.29/build/evdi_connector.o' failed
make[2]: *** [/var/lib/dkms/evdi/4.2.29/build/evdi_connector.o] Error 1
Makefile:1527: recipe for target '_module_/var/lib/dkms/evdi/4.2.29/build' failed
make[1]: *** [_module_/var/lib/dkms/evdi/4.2.29/build] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-4.19.0-041900rc4-lowlatency'
Makefile:22: recipe for target 'all' failed
make: *** [all] Error 2
pooja@X1-Carbon-6:~/Downloads/displaylink$