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    Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild · b250e6d1
    Linus Torvalds authored
    Pull Kbuild updates from Masahiro Yamada:
    
     - Add -s option (strict mode) to merge_config.sh to make it fail when
       any symbol is redefined.
    
     - Show a warning if a different compiler is used for building external
       modules.
    
     - Infer --target from ARCH for CC=clang to let you cross-compile the
       kernel without CROSS_COMPILE.
    
     - Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
    
     - Add <linux/stdarg.h> to the kernel source instead of borrowing
       <stdarg.h> from the compiler.
    
     - Add Nick Desaulniers as a Kbuild reviewer.
    
     - Drop stale cc-option tests.
    
     - Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
       to handle symbols in inline assembly.
    
     - Show a warning if 'FORCE' is missing for if_changed rules.
    
     - Various cleanups
    
    * tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
      kbuild: redo fake deps at include/ksym/*.h
      kbuild: clean up objtool_args slightly
      modpost: get the *.mod file path more simply
      checkkconfigsymbols.py: Fix the '--ignore' option
      kbuild: merge vmlinux_link() between ARCH=um and other architectures
      kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh
      kbuild: merge vmlinux_link() between the ordinary link and Clang LTO
      kbuild: remove stale *.symversions
      kbuild: remove unused quiet_cmd_update_lto_symversions
      gen_compile_commands: extract compiler command from a series of commands
      x86: remove cc-option-yn test for -mtune=
      arc: replace cc-option-yn uses with cc-option
      s390: replace cc-option-yn uses with cc-option
      ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild
      sparc: move the install rule to arch/sparc/Makefile
      security: remove unneeded subdir-$(CONFIG_...)
      kbuild: sh: remove unused install script
      kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y
      kbuild: Switch to 'f' variants of integrated assembler flag
      kbuild: Shuffle blank line to improve comment meaning
      ...
    b250e6d1