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- = build usage
- ....
- ./build [OPTIONS] [-- EXTRA_MAKE_ARGS]
- ....
- == build configuration options
- [options="header"]
- |===
- |Name |Argument name |Description
- |`-a` |`ARCH` |Build for architecture `ARCH`.
- |`-B` |`BR2_CONFIG` |Add a single Buildroot option to the current build.
- Example: `-B 'BR2_TARGET_ROOTFS_EXT2_SIZE="512M"'`
- |`-b` |`BR2_FILE` |Also use the given Buildroot configuration fragment file.
- Pass multiple times to use multiple fragment files.
- |`-C` | |Skip the Buildroot configuration. Saves a few seconds,
- but requires you to know what you are doing :-)
- |`-c` |`CONFIG_SOMETHING` |Also use the given Linux kernel configuration, example:
- `./build -c 'CONFIG_FORTIFY_SOURCE=y'`
- Can be used multiple times for multiple configs.
- |`-g` | |Enable gem5 build or force its rebuild.
- |`-h` | |Show this help message.
- |`-I` | |Enable initramfs for the current build.
- |`-i` | |Enable initrd for the current build.
- |`-K` |`KERNEL_CONFIG_FILE` |Use `KERNEL_CONFIG_FILE` as the exact Linux kernel
- configuration. Ignore the default kernel config fragments.
- |`-p` | |Pass extra arguments to the `rootfs_post_build_script`.
- |`-S` | |Don't build QEMU with SDL support.
- Graphics such as X11 won't work, only the terminal.
- |`-s` | |Add a custom suffix to the build.
- E.g., doing `./build -s mysuf` puts all the build output
- into `out/x86_64-mysuf`. This allows keep multiple builds around
- when you checkout between branches.
- |`-v` | |Do a verbose build.
- |===
- == build target options
- [options="header"]
- |===
- |Name |Forces rebuild of |Extra actions
- |`-g` |gem5 |
- |`-k` |Kernel modules |
- |`-l` |Linux kernel |Touches kernel configuration files to overcome:
- https://stackoverflow.com/questions/49260466/why-when-i-change-br2-linux-kernel-custom-config-file-and-run-make-linux-reconfi
- |`-q` |QEMU |
- |===
|
