Documentation/kbuild/kbuild.rst

10 -------------
16 ---------------
21 -----------------------
26 ----------------------
35 ---------
41 -------
42 Additional options to the assembler (for built-in and modules).
45 -------------
49 -------------
50 Additional assembler options for built-in.
53 -------
54 Additional options to the C compiler (for built-in and modules).
57 ----------
58 Additional options to the Rust compiler (for built-in and modules).
61 -------------
63 code that is compiled as built-in.
66 -------------
70 ----------------
72 code that is compiled as built-in.
75 ----------------
79 --------------
83 ----------
84 Additional flags to be passed to $(HOSTCC) when building host programs.
87 ------------
88 Additional flags to be passed to $(HOSTCXX) when building host programs.
91 -------------
92 Additional flags to be passed to $(HOSTRUSTC) when building host programs.
95 -----------
96 Additional flags to be passed when linking host programs.
99 ----------
100 Additional libraries to link against when building host programs.
105 ----------
109 -----------
111 with CC, so $(USERLDFLAGS) should include "-Wl," prefix as applicable.
114 --------------
115 Set the top-level Kconfig file to the value of this environment
119 --------------
127 -------------
134 -------------
138 building external modules against a pre-built kernel in a separate build
147 -----------------
156 --------------
157 For the deb-pkg target, allows overriding the normal heuristics deployed by
158 deb-pkg. Normally deb-pkg attempts to guess the right architecture based on
164 ---------
165 Specify extra (warning/error) flags for kernel-doc checks during the build,
166 see scripts/kernel-doc for which flags are supported. Note that this doesn't
170 ----
178 - x86: i386 for 32 bit, x86_64 for 64 bit
179 - parisc: parisc64 for 64 bit
180 - sparc: sparc32 for 32 bit, sparc64 for 64 bit
183 -------------
190 --
193 CF is often used on the command-line like this::
195     make CF=-Wbitwise C=2
198 ------------
203 -------------
209    - $1 - kernel version
210    - $2 - kernel image file
211    - $3 - kernel map file
212    - $4 - default install path (use root directory if blank)
221 ------
230 ----------------
236 -----------------
239 the default option --strip-debug will be used.  Otherwise,
243 ----------------
257 -----------------
263 --------------------------------------------------
272 ---------------
273 This variable allows a passphrase or PIN to be passed to the sign-file
277 -------------------
283 ----------------------
288 --------------------
293 ---------------
304 -----------
311 ----------------------
313 UTS_VERSION definition (uname -v in the running kernel). The value has to
314 be a string that can be passed to date -d. The default value
318 ------------------------------------
324 ----