• Dirk Mueller's avatar
    scripts/dtc: Remove redundant YYLOC global declaration · e33a814e
    Dirk Mueller authored
    gcc 10 will default to -fno-common, which causes this error at link
      (.text+0x0): multiple definition of `yylloc'; dtc-lexer.lex.o (symbol from plugin):(.text+0x0): first defined here
    This is because both dtc-lexer as well as dtc-parser define the same
    global symbol yyloc. Before with -fcommon those were merged into one
    defintion. The proper solution would be to to mark this as "extern",
    however that leads to:
      dtc-lexer.l:26:16: error: redundant redeclaration of 'yylloc' [-Werror=redundant-decls]
       26 | extern YYLTYPE yylloc;
          |                ^~~~~~
    In file included from dtc-lexer.l:24:
    dtc-parser.tab.h:127:16: note: previous declaration of 'yylloc' was here
      127 | extern YYLTYPE yylloc;
          |                ^~~~~~
    cc1: all warnings being treated as errors
    which means the declaration is completely redundant and can just be
    Signed-off-by: default avatarDirk Mueller <dmueller@suse.com>
    Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
    [robh: cherry-pick from upstream]
    Cc: stable@vger.kernel.org
    Signed-off-by: default avatarRob Herring <robh@kernel.org>
dtc-lexer.l 6.14 KB