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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:57 +0000
commitdc50eab76b709d68175a358d6e23a5a3890764d3 (patch)
treec754d0390db060af0213ff994f0ac310e4cfd6e9 /Documentation/kbuild
parentAdding debian version 6.6.15-2. (diff)
downloadlinux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz
linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/kbuild')
-rw-r--r--Documentation/kbuild/kbuild.rst6
-rw-r--r--Documentation/kbuild/makefiles.rst13
2 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst
index bd906407e3..9c8d1d046e 100644
--- a/Documentation/kbuild/kbuild.rst
+++ b/Documentation/kbuild/kbuild.rst
@@ -243,6 +243,12 @@ The output directory is often set using "O=..." on the commandline.
The value can be overridden in which case the default value is ignored.
+INSTALL_DTBS_PATH
+-----------------
+INSTALL_DTBS_PATH specifies where to install device tree blobs for
+relocations required by build roots. This is not defined in the
+makefile but the argument can be passed to make if needed.
+
KBUILD_ABS_SRCTREE
--------------------------------------------------
Kbuild uses a relative path to point to the tree when possible. For instance,
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index e67eb261c9..ad118b7a18 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -53,7 +53,7 @@ knowledge about the kernel Makefiles, plus detailed knowledge about the
public interface for kbuild.
*Arch developers* are people who work on an entire architecture, such
-as sparc or ia64. Arch developers need to know about the arch Makefile
+as sparc or x86. Arch developers need to know about the arch Makefile
as well as kbuild Makefiles.
*Kbuild developers* are people who work on the kernel build system itself.
@@ -937,6 +937,10 @@ Example::
# net/bpfilter/Makefile
bpfilter_umh-userldflags += -static
+To specify libraries linked to a userspace program, you can use
+``<executable>-userldlibs``. The ``userldlibs`` syntax specifies libraries
+linked to all userspace programs created in the current Makefile.
+
When linking bpfilter_umh, it will be passed the extra option -static.
From command line, :ref:`USERCFLAGS and USERLDFLAGS <userkbuildflags>` will also be used.
@@ -1623,6 +1627,13 @@ INSTALL_MOD_STRIP
INSTALL_MOD_STRIP value will be used as the option(s) to the strip
command.
+INSTALL_DTBS_PATH
+ This variable specifies a prefix for relocations required by build
+ roots. It defines a place for installing the device tree blobs. Like
+ INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed
+ by the user if desired. Otherwise it defaults to the kernel install
+ path.
+
Makefile language
=================