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GENTOO: Kernel config will be overridden automatically before building #2
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I'm not familiar with Gentoo, but at least it seems that we can see used USE flags: # after building chromeos-kernel-4_19 with the following command:
# FEATURES="noclean" cros_workon_make --board=${BOARD} chromeos-kernel-4_19 --install
$ cat /build/amd64-generic/tmp/portage/sys-kernel/chromeos-kernel-4_19-9999/build-info/USE
abi_x86_64 acpi_ac amd64 board_use_amd64-generic clang dt_compression elibc_glibc fit_compression_kernel_lz4 kernel_linux kvm_host mbim tpm transparent_hugepage usbip userland_GNU vivid vlan We can override the USE flag at least at build time like this: $ USE="${USE} -tpm" FEATURES="noclean" cros_workon_make --board=${BOARD} chromeos-kernel-4_19 --install
[...]
13:43:31 >>> Configuring source in /mnt/host/source/src/third_party/kernel/v4.19 ...
* Using kernel config: chromiumos-x86_64
* - enabling Enable ACPI AC config
* - disabling framebuffer console config
* - enabling Support running virtual machines with KVM config
* - enabling CDC MBIM driver config
* - enabling Transparent Hugepage Support config
* - enabling Virtual USB support config
* - enabling Virtual Video Test Driver config
* - enabling 802.1Q VLAN config
* - disabling VT console config
make -j48 O=/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19 LD=/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0/ld 'CC=x86_64-cros-linux-gnu-clang -B/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0' 'CXX=x86_64-cros-linux-gnu-clang++ -B/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0' HOSTCC=x86_64-pc-linux-gnu-clang HOSTCXX=x86_64-pc-linux-gnu-clang++ olddefconfig
make[1]: Entering directory '/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19'
GEN ./Makefile
scripts/kconfig/conf --olddefconfig Kconfig
.config:794:warning: override: reassigning to symbol FRAMEBUFFER_CONSOLE
.config:803:warning: override: reassigning to symbol KVM
.config:808:warning: override: reassigning to symbol KVM_INTEL
.config:810:warning: override: reassigning to symbol VSOCKETS
.config:811:warning: override: reassigning to symbol VHOST_VSOCK
#
# configuration written to .config
#
make[1]: Leaving directory '/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19'
13:43:34 >>> Source configured.
[...] |
Now, my question is:
|
Found a list of USE flags: $ cat /home/ubuntu/chromiumos/src/third_party/chromiumos-overlay/eclass/cros-kernel2.eclass or see this link: Especially, we may be interested in these flags:
|
So, we need to specify $ USE="${USE} -tpm fbconsole vtconsole" FEATURES="noclean" cros_workon_make --board=${BOARD} chromeos-kernel-4_19 --install
[...]
15:58:25 >>> Configuring source in /mnt/host/source/src/third_party/kernel/v4.19 ...
* Using kernel config: chromiumos-x86_64
* - enabling Enable ACPI AC config
* - enabling framebuffer console config
* - enabling Support running virtual machines with KVM config
* - enabling CDC MBIM driver config
* - enabling Transparent Hugepage Support config
* - enabling Virtual USB support config
* - enabling Virtual Video Test Driver config
* - enabling 802.1Q VLAN config
* - enabling VT console config
make -j48 O=/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19 LD=/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0/ld 'CC=x86_64-cros-linux-gnu-clang -B/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0' 'CXX=x86_64-cros-linux-gnu-clang++ -B/usr/x86_64-pc-linux-gnu/x86_64-cros-linux-gnu/binutils-bin/2.27.0' HOSTCC=x86_64-pc-linux-gnu-clang HOSTCXX=x86_64-pc-linux-gnu-clang++ olddefconfig
make[1]: Entering directory '/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19'
GEN ./Makefile
scripts/kconfig/conf --olddefconfig Kconfig
.config:794:warning: override: reassigning to symbol FRAMEBUFFER_CONSOLE
.config:803:warning: override: reassigning to symbol KVM
.config:808:warning: override: reassigning to symbol KVM_INTEL
.config:810:warning: override: reassigning to symbol VSOCKETS
.config:811:warning: override: reassigning to symbol VHOST_VSOCK
#
# configuration written to .config
#
make[1]: Leaving directory '/build/amd64-generic/var/cache/portage/sys-kernel/chromeos-kernel-4_19'
15:58:28 >>> Source configured.
[...] |
Closing this issue because I don't use |
When building using
cros_workon_make
, kernel config may be overridden by someone:The text was updated successfully, but these errors were encountered: