The Blockchain- Dapps Daily — March 30, 2019 — Different Solidity version in truffle

I tried to use my old smart contract in solidity and trying migrate it with truffle but it failed because the solidity version is different from that I installed.

SyntaxError: Source file requires different compiler version (current compiler is 0.5.0+commit.1d4f565a.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version
pragma solidity ^0.4.17;
^----------------------^

Solution : specify solc version in truffle configuration file.

Truffle Suite | Documentation | Truffle | Configuration

Solidity compiler settings. Supports optimizer settings for solc.

You may specify…

• any solc-js version listed at solc-bin. Specify the one you want and Truffle will get it for you.
• a natively compiled solc binary (you’ll need to install this yourself, links to help below).
• a dockerized solc from one of images published here.
• a path to a locally available solc

Truffle config example:

How to check truffle and solc version ?

> truffle version