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    Merge tag 'kbuild-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild · e026bcc5
    Linus Torvalds authored
    Pull Kbuild updates from Masahiro Yamada:
    
     - verify depmod is installed before modules_install
    
     - support build salt in case build ids must be unique between builds
    
     - allow users to specify additional host compiler flags via HOST*FLAGS,
       and rename internal variables to KBUILD_HOST*FLAGS
    
     - update buildtar script to drop vax support, add arm64 support
    
     - update builddeb script for better debarch support
    
     - document the pit-fall of if_changed usage
    
     - fix parallel build of UML with O= option
    
     - make 'samples' target depend on headers_install to fix build errors
    
     - remove deprecated host-progs variable
    
     - add a new coccinelle script for refcount_t vs atomic_t check
    
     - improve double-test coccinelle script
    
     - misc cleanups and fixes
    
    * tag 'kbuild-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (41 commits)
      coccicheck: return proper error code on fail
      Coccinelle: doubletest: reduce side effect false positives
      kbuild: remove deprecated host-progs variable
      kbuild: make samples really depend on headers_install
      um: clean up archheaders recipe
      kbuild: add %asm-generic to no-dot-config-targets
      um: fix parallel building with O= option
      scripts: Add Python 3 support to tracing/draw_functrace.py
      builddeb: Add automatic support for sh{3,4}{,eb} architectures
      builddeb: Add automatic support for riscv* architectures
      builddeb: Add automatic support for m68k architecture
      builddeb: Add automatic support for or1k architecture
      builddeb: Add automatic support for sparc64 architecture
      builddeb: Add automatic support for mips{,64}r6{,el} architectures
      builddeb: Add automatic support for mips64el architecture
      builddeb: Add automatic support for ppc64 and powerpcspe architectures
      builddeb: Introduce functions to simplify kconfig tests in set_debarch
      builddeb: Drop check for 32-bit s390
      builddeb: Change architecture detection fallback to use dpkg-architecture
      builddeb: Skip architecture detection when KBUILD_DEBARCH is set
      ...
    e026bcc5