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Diffstat (limited to 'Kbuild')
| -rw-r--r-- | Kbuild | 38 |
1 files changed, 38 insertions, 0 deletions
@@ -0,0 +1,38 @@ +######## Documentation + +# In newer versions of the kernel, kbuild will first look for a file named +# "Kbuild," and only if that is not found, will it then look for a makefile. + +# The kbuild system will build <module_name>.o from <module_name>.c, +# and, after linking, will result in the kernel module <module_name>.ko: +# obj-m := sbdd.o + +# When the module is built from multiple sources, an additional line +# with '<module_name>-y := <src1>.o <src2>.o ...' is needed: +# Or you can do smth like this: +# sbdd-y := src1.o +# sbdd-y += src2.o +# ... + +# kbuild supports building multiple modules with a single build file. For example, +# if you wanted to build two modules, foo.ko and bar.ko, the kbuild lines would be: +# obj-m := foo.o bar.o +# foo-y := <foo_srcs> +# bar-y := <bar_srcs> + +# You can also add compile flags here, e.g.: +# ccflags-y := -I$(src)/include +# ccflags-y += -I$(src)/include +# About $(src): when kbuild executes, the current directory is always the root of +# the kernel tree (the argument to "-C") and therefore an absolute path is needed. +# $(src) provides the absolute path by pointing to the directory where the +# currently executing kbuild file is located. + + +######## Kbuild + +ccflags-y := -Wall +# ccflags-y += -DBLK_MQ_MODE +# CFLAGS_sbdd.o := -DDEBUG + +obj-m := sbdd.o |