Extern or forward variable declaration at scripts/kconfig/expr.h, line 288 References: scripts/kconfig/expr.c, line 168 scripts/kconfig/expr.c, line 179 scripts/kconfig/expr.c, line 180 scripts/kconfig/expr.c, line 317 scripts/kconfig/expr.c, line 321 scripts/kconfig/expr.c, line 333 scripts/kconfig/expr.c, line 337 scripts/kconfig/expr.c, line 353 scripts/kconfig/expr.c, line 369 scripts/kconfig/expr.c, line 408 scripts/kconfig/expr.c, line 456 scripts/kconfig/expr.c, line 459 scripts/kconfig/expr.c, line 460 scripts/kconfig/expr.c, line 465 scripts/kconfig/expr.c, line 466 scripts/kconfig/expr.c, line 521 scripts/kconfig/expr.c, line 522 scripts/kconfig/expr.c, line 537 scripts/kconfig/expr.c, line 544 scripts/kconfig/expr.c, line 547 scripts/kconfig/expr.c, line 548 scripts/kconfig/expr.c, line 556 scripts/kconfig/expr.c, line 559 scripts/kconfig/expr.c, line 560 scripts/kconfig/expr.c, line 624 scripts/kconfig/expr.c, line 711 scripts/kconfig/expr.c, line 720 scripts/kconfig/expr.c, line 733 scripts/kconfig/expr.c, line 811 scripts/kconfig/expr.c, line 823 scripts/kconfig/expr.c, line 890 scripts/kconfig/expr.c, line 930 scripts/kconfig/expr.c, line 940 scripts/kconfig/expr.c, line 957 scripts/kconfig/expr.c, line 958 scripts/kconfig/expr.c, line 965 scripts/kconfig/expr.h, line 288 scripts/kconfig/expr.h, line 322 scripts/kconfig/menu.c, line 449 scripts/kconfig/menu.c, line 472 scripts/kconfig/symbol.c, line 22 scripts/kconfig/symbol.c, line 388 scripts/kconfig/symbol.c, line 741 scripts/kconfig/symbol.c, line 852 scripts/kconfig/symbol.c, line 894