How do I make Defconfig?

How do I make Defconfig?

if option is mentioned in defconfig , build system puts that option into . config with value chosen in defconfig. if option isn’t mentioned in defconfig , build system puts that option into . config using its default value, specified in corresponding Kconfig.

How do you edit Defconfig?

1 Answer

1. make _defconfig.
2. make menuconfig. edit. exit saving changes.
3. make savedefconfig. creates a file named defconfig.
4. cp defconfig arch/$ARCH/configs/_defconfig. where $ARCH is the CPU architecture, e.g. arm.

Where are kernel defconfig?

Defconfig files are typically stored in the kernel tree at arch/*/configs/ . It may be desirable to modify the kernel configuration beyond what the hardware platform requires in order to support a particular hardware or software feature. Storing these kernel configuration changes is often done using fragments.

How do you make OpenWrt toolchain?

External Toolchain

1. Step 1: Build Toolchain. Just do the same as everytime you (re)compile OpenWrt. Checkout svn/git, set your options in . config and build the whole thing.
2. Step 2: Build Firmware. We start at the same point as the toolchain. Checkout OpenWrt into directory openwrt (or anything else than toolchain).

What is staging directory in Openwrt?

1 Answer. The directory build_dir is used to unpack all the source archives and to compile them in. The directory staging_dir is used to “install” all the compiled programs into, ready either for use in building further packages, or for preparing the firmware image.

Where does make defconfig get its configuration in?

If I just change CONFIG_TARGET_ar71xx_generic_XXX_Router=y to CONFIG_TARGET_ar71xx_generic_YYY_Router=y then the outcome of make defconfig must be a lot different. In this directory, you will find some predefine profiles, stores in .mk file. Those files define which packages will be used as default when a target profile is selected.

How to make Linux kernel make defconfig file?

I can use the following command to create a Linux kernel .config file based on a specified architecture default for a custom ARM-based board: I thought that this command more or less copies ./arch/arm/configs/var_som_mx6_android_defconfig to ./.config. However the resulting .config file isn’t exactly a copy:

How to create a log in OpenWrt Forum?

Please run make menuconfig, oldconfig or defconfig! – clean the upx package and show a log where the error occurs (the line where it tries to build the executable) – you provided a log from a second run (seen by the lines skipping previous tool packages) – provide the output of scripts/diffconfig.sh and details about the system you are building on

How to compile OpenWrt firmware for any router?

It will clone source,update&install feed,manu config and defconfig,download packages as well as start the build process.