From 50d8bbcfa7ae382235ac582a94c4634cf4b7b201 Mon Sep 17 00:00:00 2001
From: ia <isaac.ardis@gmail.com>
Date: Wed, 9 May 2018 23:35:34 +0900
Subject: [PATCH] problem: solidity --add-std deprecated

was removed in 0.4.21

> https://github.com/ethereum/solidity/issues/3695
> https://github.com/ethereum/go-ethereum/pull/16289/files

Rel #583

solution: remove flag option
---
 common/compiler/solidity.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/common/compiler/solidity.go b/common/compiler/solidity.go
index fdfc29203..f08811165 100644
--- a/common/compiler/solidity.go
+++ b/common/compiler/solidity.go
@@ -46,7 +46,6 @@ var (
 		"file",           //
 		"--natspec-dev",  // Request to output the contract's Natspec developer documentation.
 		"file",
-		"--add-std",
 		"1",
 	}
 	paramsNew = []string{
@@ -54,7 +53,6 @@ var (
 		"--abi",      // Request to output the contract's JSON ABI interface.
 		"--userdoc",  // Request to output the contract's Natspec user documentation.
 		"--devdoc",   // Request to output the contract's Natspec developer documentation.
-		"--add-std",  // include standard lib contracts
 		"--optimize", // code optimizer switched on
 		"-o",         // output directory
 	}