How to include <atomic> in C++ on Linux?

[jackBryan]

I am trying to include atomic in my C++ pthread program.

#include <atomic>
But, i got error:

error: atomic: No such file or directory

I tried :

#include <asm/atomic>
#include <atomic.h>
#include <linux/atomic>
#include <util/atomic>
#include <stdcatomic>
#include <catomic>
No one works.

My gcc is gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)

The post :

#include <cstdatomic> "no such file" in ubuntu

std::atomic support in g++ 4.4.3

do not work either.

And #include <thread> also got : No such file or directory

So, I am trying to install GCC 4.7 on Linux, but in "make check", I got error,

autogen -T /remote/mypath/gcc_4_7_2012_5_28/gcc_4_7_new_2012_5_29/trunk/fixincludes/check.tpl , remote/mypath/gcc_4_7_2012_5_28/gcc_4_7_new_2012_5_29/trunk/fixincludes/inclhack.def ,

make[2]: execvp: autogen: Permission denied, then I tried to install autogen, but
got: I need to install guile-devel, then when I installed guile-2.0.5-2.1.src.rpm ,

I got rpm -ivh guile-2.0.5-2.1.src.rpm, warning: guile-2.0.5-2.1.src.rpm: Header V3
RSA/SHA256 signature: NOKEY, key ID 3dbdc284

error: cannot write to %sourcedir /usr/src/redhat/SOURCES, I cannot get root
authorization.

Any help will be appreciated. thanks !

Jack

[Volatile Pulse]

atomic isn't a standard header file, atleast not in my compiler. Is it a custom made header that someone gave you or that you downloaded?

Try putting atomic.h into the same folder as your .cpp file, then#include "atomic.h"

[Duthomhas]

That's C++11 stuff.

#include <atomic>


g++ -std=c++0x

or

g++ -std=c++11

(whichever one works for you)

[jackBryan]

Hi,

I have tried all:
g++ -std=c++0x
g++ -std=c++11

None works.

My gcc is 4.1.2 20080704 (Red Hat 4.1.2-52), it is too old.

I need to install GCC 4.7 . but, I got errors presented in my post.

Any help will be appreciated.

[Volatile Pulse]

I don't know too much about Linux, but have you tried uninstalling the old GCC first, then running the unstall as ROOT?

[jackBryan]

I cannot uninstall olg gcc, I do not have root authorization. thanks

[Volatile Pulse]

*palmface* well, that's my only idea, just have to wait to see if someone else can come along that knows Linux a little better. That, or try the GCC forums? I'm sorry.

[ne555]

error: cannot write to %sourcedir /usr/src/redhat/SOURCES

Change sourcedir then. By instance to ~/.local/usr/src/
Don't know about rmp, but it seems that you can use the --prefix flag.