Extern or forward variable declaration at kconfig/expr.h, line 157 References: kconfig/expr.c, line 381 kconfig/expr.c, line 382 kconfig/expr.c, line 390 kconfig/expr.c, line 393 kconfig/expr.c, line 394 kconfig/expr.c, line 454 kconfig/expr.c, line 455 kconfig/expr.c, line 478 kconfig/expr.c, line 481 kconfig/expr.c, line 482 kconfig/expr.c, line 487 kconfig/expr.c, line 488 kconfig/expr.c, line 492 kconfig/expr.c, line 493 kconfig/expr.c, line 668 kconfig/expr.c, line 689 kconfig/expr.c, line 749 kconfig/expr.c, line 755 kconfig/expr.c, line 815 kconfig/expr.c, line 920 kconfig/expr.c, line 927 kconfig/expr.h, line 157 kconfig/menu.c, line 93 kconfig/menu.c, line 364 kconfig/symbol.c, line 19 kconfig/symbol.c, line 660 kconfig/symbol.c, line 706