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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-04 21:07:19 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-04 21:07:19 +0300
commit5c5e048b2417a56b7b52bdbb66d4fc99d0c20dd2 (patch)
treea715272c8e6294469e28d1cbbe74e529624015c9 /Documentation/kbuild/makefiles.rst
parent3062a9879afbca810d9f1613698963ecfcb35701 (diff)
parent5f56cb030e4bcf14be2233332d5cd83fff62a376 (diff)
downloadlinux-5c5e048b2417a56b7b52bdbb66d4fc99d0c20dd2.tar.xz
Merge tag 'kbuild-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada: - Implement the binary search in modpost for faster symbol lookup - Respect HOSTCC when linking host programs written in Rust - Change the binrpm-pkg target to generate kernel-devel RPM package - Fix endianness issues for tee and ishtp MODULE_DEVICE_TABLE - Unify vdso_install rules - Remove unused __memexit* annotations - Eliminate stale whitelisting for __devinit/__devexit from modpost - Enable dummy-tools to handle the -fpatchable-function-entry flag - Add 'userldlibs' syntax * tag 'kbuild-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (30 commits) kbuild: support 'userldlibs' syntax kbuild: dummy-tools: pretend we understand -fpatchable-function-entry kbuild: Correct missing architecture-specific hyphens modpost: squash ALL_{INIT,EXIT}_TEXT_SECTIONS to ALL_TEXT_SECTIONS modpost: merge sectioncheck table entries regarding init/exit sections modpost: use ALL_INIT_SECTIONS for the section check from DATA_SECTIONS modpost: disallow the combination of EXPORT_SYMBOL and __meminit* modpost: remove EXIT_SECTIONS macro modpost: remove MEM_INIT_SECTIONS macro modpost: remove more symbol patterns from the section check whitelist modpost: disallow *driver to reference .meminit* sections linux/init: remove __memexit* annotations modpost: remove ALL_EXIT_DATA_SECTIONS macro kbuild: simplify cmd_ld_multi_m kbuild: avoid too many execution of scripts/pahole-flags.sh kbuild: remove ARCH_POSTLINK from module builds kbuild: unify no-compiler-targets and no-sync-config-targets kbuild: unify vdso_install rules docs: kbuild: add INSTALL_DTBS_PATH UML: remove unused cmd_vdso_install ...
Diffstat (limited to 'Documentation/kbuild/makefiles.rst')
-rw-r--r--Documentation/kbuild/makefiles.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index 47a29a36b12b..ad118b7a1806 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -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
=================