| Message ID | 1523595999-27433-16-git-send-email-yamada.masahiro@socionext.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index c68ca56b..ae33e9b 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -114,6 +114,13 @@ n [A-Za-z0-9_-] 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; }
Make allows variable references in the lefthand side of assignment. X = A Y = B $(X)$(Y) = 1 This does 'AB = 1' Do likewise in Kconfig as well. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- Changes in v3: None Changes in v2: None scripts/kconfig/zconf.l | 7 +++++++ 1 file changed, 7 insertions(+)