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kconfig: expand lefthand side of assignment statement
[carl9170fw.git]
/
config
/
zconf.l
diff --git
a/config/zconf.l
b/config/zconf.l
index 62a0973bee034f4c4fd23bd16f2f1c131665fe3c..d2d9d87bea6ea63bcfa6dec6b33b06ce4fad5289 100644
(file)
--- a/
config/zconf.l
+++ b/
config/zconf.l
@@
-114,6
+114,13
@@
n [A-Za-z0-9_-]
yylval.string = text;
return T_VARIABLE;
}
yylval.string = text;
return T_VARIABLE;
}
+ ({n}|$)+ {
+ /* this token includes at least one '$' */
+ yylval.string = expand_token(yytext, yyleng);
+ if (strlen(yylval.string))
+ return T_VARIABLE;
+ free(yylval.string);
+ }
"=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; }
":=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; }
"+=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; }
"=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; }
":=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; }
"+=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; }