Differences

This shows you the differences between two versions of the page.

--- kernel [06/09/2026 11:06] – admin
+++ kernel [06/09/2026 12:03] (current) – [Compiling the kernel] admin
@@ Line 6: / Line 6: @@
 Useful in embedded systems, as only the strongly recommended options are set to Y:
+  make help          # provides a lot of information about kernel config options
   make allnoconfig   # useful in embedded systems, setting the strongly recommended options to Y
   make clean         # remove most generated files but keep config
   make mrproper      # remove all generated files
+  make defconfig     # gives us a new config
+  make LSMOD=... localmodconfig   # uses the list of modules to create a configuration
   make distclean     # also remove the editor backup and patch reject files
-  make oldcondif
+  make oldcondif     # uses a provided .config as base
+  scripts/diffconfig .config.old .config   # shows difference between both kernel configurations
+  interesting option: CONFIG_WERROR
   make
   make LOADADDR=0x80008000 uImage
   make dtbs
+[[https://github.com/a13xp0p0v/kconfig-hardened-check|Useful tool to check config security]]
 ====== Process State ======