#include<thread> and error C2371: 'int8_t' : redefinition; different basic types

Question

0.00/5 (No votes)

See more:

Hello all,
I've been working on adding functionality to a program I'm working on and would like to use std::Threads to add multi-threading. What I've noticed is that when adding #include<thread> a compilation error occurs with the error-error C2371: 'int8_t' : redefinition; different basic types"

What can be done to correct this?

Posted 6-Jun-14 5:51am

SD1208

Add a Solution

Comments

Richard MacCutchan 6-Jun-14 12:34pm

We cannot answer that without the information about what includes you have in your source code and where the error occurs.

4 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

leon de boer · Answer 1 · 2014-06-06T16:00:00

KarnstenK sort of gives you the correct answer but it needs expanding

There are two units both trying to define "int8_t" and one of those is part of the standard C library it will be in "StdInt.H" in the system include directory of any C99 compliant compiler.

Fixed width integer types (since C99)
http://en.cppreference.com/w/c/types/integer[^]

As you are using the standard libraries that you can not get around that unit.

You need to find the none system unit that is also trying to define int8_t and see if you can fix it. There are a number of ways to do that from using #ifndef thru to renaming the non standard unit using of int8_t to a new name.

However to start you need to find what the second unit is that contains the name int8_t because it really shouldn't be defining that particular name and personally I would fix that unit.

CPallini · Answer 2 · 2015-08-12T02:46:00

Solution 4

int8_t should be defined in cstdint header. Possibly a non-standard header redefines it. I am pretty sure the compiler is reporting what are the conflicting headers.

Posted 12-Aug-15 2:46am

CPallini

KarstenK · Answer 3 · 2014-06-06T07:07:00

Solution 1

you got to change the included headers. Exclude the header which you REALLY NEED ("primary"), to find the part where else it is defined and try to exlude it, or include the "secondary" header AFTER the "primary".

It is in most cases somehow an configuration problem of your project.

Posted 6-Jun-14 7:07am

KarstenK

Hamish Ahern · Answer 4 · 2015-08-12T02:16:00

Solution 3

just put the word "signed" so that the compiler knows it for sure

C#

typedef signed __int8            int8_t;
typedef signed __int16           int16_t;
typedef signed __int32           int32_t;
typedef signed __int64           int64_t;
typedef unsigned __int8   uint8_t;
typedef unsigned __int16  uint16_t;
typedef unsigned __int32  uint32_t;
typedef unsigned __int64  uint64_t;

Posted 12-Aug-15 2:16am

Hamish Ahern