cleanup sqlflex and sqlbison options

Change-Id: I3f01636ef861828fdbe87e4057b6dc293ca63576

connectivity/Library_dbtools.mk

@@ -66,8 +66,6 @@ $(eval $(call gb_Library_use_libraries,dbtools,\
 ))
 endif
 
-#connectivity/source/commontools/RowFunctionParser.cxx disable optimization?
-
 $(eval $(call gb_Library_add_noexception_objects,dbtools,\
 	connectivity/source/simpledbt/refbase \
 ))
@@ -76,16 +74,10 @@ $(eval $(call gb_Library_add_grammars,dbtools,\
 	connectivity/source/parse/sqlbison \
 ))
 
-$(call gb_YaccTarget_get_target,connectivity/source/parse/sqlbison) : T_YACCFLAGS := -d -l -pSQLyy -bsql
-
 $(eval $(call gb_Library_add_scanners,dbtools,\
-connectivity/source/parse/sqlflex \
+	connectivity/source/parse/sqlflex \
 ))
 
-$(call gb_LexTarget_get_scanner_target,connectivity/source/parse/sqlflex) : T_LEXFLAGS := -i -8 -PSQLyy -L
-
-
-
 $(eval $(call gb_Library_add_exception_objects,dbtools,\
 	connectivity/source/commontools/AutoRetrievingBase \
 	connectivity/source/commontools/BlobHelper \

connectivity/source/parse/sqlbison.y

@@ -1,4 +1,8 @@
 %token-table
+%defines
+%no-lines
+%define api.prefix SQLyy
+%file-prefix "sql"
 %{
 /*
  * This file is part of the LibreOffice project.

connectivity/source/parse/sqlflex.l

@@ -1,3 +1,6 @@
+%option case-insensitive
+%option 8bit
+%option prefix="SQLyy"
 %{
 
 //