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Merge tag 'kbuild-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

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Pull Kbuild updates from Masahiro Yamada:

 - Improve performance in gendwarfksyms

 - Remove deprecated EXTRA_*FLAGS and KBUILD_ENABLE_EXTRA_GCC_CHECKS

 - Support CONFIG_HEADERS_INSTALL for ARCH=um

 - Use more relative paths to sources files for better reproducibility

 - Support the loong64 Debian architecture

 - Add Kbuild bash completion

 - Introduce intermediate vmlinux.unstripped for architectures that need
   static relocations to be stripped from the final vmlinux

 - Fix versioning in Debian packages for -rc releases

 - Treat missing MODULE_DESCRIPTION() as an error

 - Convert Nios2 Makefiles to use the generic rule for built-in DTB

 - Add debuginfo support to the RPM package

* tag 'kbuild-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (40 commits)
  kbuild: rpm-pkg: build a debuginfo RPM
  kconfig: merge_config: use an empty file as initfile
  nios2: migrate to the generic rule for built-in DTB
  rust: kbuild: skip `--remap-path-prefix` for `rustdoc`
  kbuild: pacman-pkg: hardcode module installation path
  kbuild: deb-pkg: don't set KBUILD_BUILD_VERSION unconditionally
  modpost: require a MODULE_DESCRIPTION()
  kbuild: make all file references relative to source root
  x86: drop unnecessary prefix map configuration
  kbuild: deb-pkg: add comment about future removal of KDEB_COMPRESS
  kbuild: Add a help message for "headers"
  kbuild: deb-pkg: remove "version" variable in mkdebian
  kbuild: deb-pkg: fix versioning for -rc releases
  Documentation/kbuild: Fix indentation in modules.rst example
  x86: Get rid of Makefile.postlink
  kbuild: Create intermediate vmlinux build with relocations preserved
  kbuild: Introduce Kconfig symbol for linking vmlinux with relocations
  kbuild: link-vmlinux.sh: Make output file name configurable
  kbuild: do not generate .tmp_vmlinux*.map when CONFIG_VMLINUX_MAP=y
  Revert "kheaders: Ignore silly-rename files"
  ...
This commit is contained in:
Linus Torvalds
2025-04-05 15:46:50 -07:00
parent 758e4c86a1 a7c699d090
commit f4d2ef4825
62 changed files with 891 additions and 351 deletions
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24
scripts/link-vmlinux.sh
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@@ -31,6 +31,7 @@ set -e
LD="$1"
KBUILD_LDFLAGS="$2"
LDFLAGS_vmlinux="$3"
VMLINUX="$4"
is_enabled() {
grep -q "^$1=y" include/config/auto.conf
@@ -97,8 +98,8 @@ vmlinux_link()
ldflags="${ldflags} ${wl}--strip-debug"
fi
if is_enabled CONFIG_VMLINUX_MAP; then
ldflags="${ldflags} ${wl}-Map=${output}.map"
if [ -n "${generate_map}" ]; then
ldflags="${ldflags} ${wl}-Map=vmlinux.map"
fi
${ld} ${ldflags} -o ${output} \
@@ -208,6 +209,7 @@ fi
btf_vmlinux_bin_o=
kallsymso=
strip_debug=
generate_map=
if is_enabled CONFIG_KALLSYMS; then
true > .tmp_vmlinux0.syms
@@ -276,23 +278,27 @@ fi
strip_debug=
vmlinux_link vmlinux
if is_enabled CONFIG_VMLINUX_MAP; then
generate_map=1
fi
vmlinux_link "${VMLINUX}"
# fill in BTF IDs
if is_enabled CONFIG_DEBUG_INFO_BTF; then
info BTFIDS vmlinux
info BTFIDS "${VMLINUX}"
RESOLVE_BTFIDS_ARGS=""
if is_enabled CONFIG_WERROR; then
RESOLVE_BTFIDS_ARGS=" --fatal_warnings "
fi
${RESOLVE_BTFIDS} ${RESOLVE_BTFIDS_ARGS} vmlinux
${RESOLVE_BTFIDS} ${RESOLVE_BTFIDS_ARGS} "${VMLINUX}"
fi
mksysmap vmlinux System.map
mksysmap "${VMLINUX}" System.map
if is_enabled CONFIG_BUILDTIME_TABLE_SORT; then
info SORTTAB vmlinux
if ! sorttable vmlinux; then
info SORTTAB "${VMLINUX}"
if ! sorttable "${VMLINUX}"; then
echo >&2 Failed to sort kernel tables
exit 1
fi
@@ -308,4 +314,4 @@ if is_enabled CONFIG_KALLSYMS; then
fi
# For fixdep
echo "vmlinux: $0" > .vmlinux.d
echo "${VMLINUX}: $0" > ".${VMLINUX}.d"