kconfig: support append assignment operator

[carl9170fw.git] / config / zconf.l

diff --git a/config/zconf.l b/config/zconf.l
index d0f5b132a9b39802680a3f07343d0c36bf83e4ee..62a0973bee034f4c4fd23bd16f2f1c131665fe3c 100644 (file)
--- a/config/zconf.l
+++ b/config/zconf.l
@@ -116,6 +116,7 @@ n   [A-Za-z0-9_-]
        }
        "="     { 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; }
        [[:blank:]]+
        .       warn_ignored_character(*yytext);
        \n      {