xmlconfig: Make the error message more informative

diff --git a/src/mesa/drivers/dri/common/xmlconfig.c b/src/mesa/drivers/dri/common/xmlconfig.c
index 77967ac2a439fdff4c743dbca918ff25940eff7b..12dd31bb1621982c9b217c00a6f26d2c7df6e6bc 100644 (file)
--- a/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/src/mesa/drivers/dri/common/xmlconfig.c
@@ -567,7 +567,7 @@ static void parseOptInfoAttr (struct OptInfoData *data, const XML_Char **attr) {
     } else
        defaultVal = attrVal[OA_DEFAULT];
     if (!parseValue (&cache->values[opt], cache->info[opt].type, defaultVal))
-       XML_FATAL ("illegal default value: %s.", defaultVal);
+       XML_FATAL ("illegal default value for %s: %s.", cache->info[opt].name, defaultVal);
 
     if (attrVal[OA_VALID]) {
        if (cache->info[opt].type == DRI_BOOL)