kconfig: expand lefthand side of assignment statement

Make expands the lefthand side of assignment statements. In fact, Kbuild relies on it since kernel makefiles mostly look like this: obj-$(CONFIG_FOO) += foo.o Do likewise in Kconfig.

Masahiro Yamada committed 8 years ago

Commit 82bc8bd1 parent ed2a22f1 file · +7 −0Browse files

Showing the changes to scripts (1 of 1 file). Show all

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scripts/kconfig/zconf.l+7−0

@@ -114,6 +114,13 @@ n [A-Za-z0-9_-] · 113 unmodified lines
114	yylval.string = text;	114	yylval.string = text;
115	return T_VARIABLE;	115	return T_VARIABLE;
116	}	116	}
		117	({n}\|$)+ {
		118	/* this token includes at least one '$' */
		119	yylval.string = expand_token(yytext, yyleng);
		120	if (strlen(yylval.string))
		121	return T_VARIABLE;
		122	free(yylval.string);
		123	}
117	"=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; }	124	"=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; }
118	":=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; }	125	":=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; }
119	"+=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; }	126	"+=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; }