g++

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Can i use the latest features of C++11 in XCode 4 or OSX Lion? [duplicate]

This question already has answers here: Closed 10 years ago. Possible Duplicate: Can I use C++11 with Xcode?[详细]

2023-04-06 06:04 分类：问答
What's the best g++ optimization level when building a debug target?

When you want to build something that\'s debuggable (g++ specifically, but perhaps shares an answer with gcc), what\'s the best -O level?In other words, when building a \"debug\" target rather than a[详细]

2023-04-06 02:15 分类：问答
How does scoped_lock avoid emitting an "unused variable" warning?

boost::mutex::scoped_lock is a handy RAII wrapper around locking a mutex. I use a similar technique for something else: a RAII wrapper around asking a data interface to detach from/re-attac开发者_Pyth[详细]

2023-04-05 08:21 分类：问答
Declaring a member variable that takes a constructor parameter

// In A.h class A { 开发者_C百科public: enum eMyEnum{ eOne, eTwo, eThree }; public: A(eMyEnum e); }[详细]

2023-04-04 15:13 分类：问答
G++ compiler: option -s is obsolete and being ignored C++

I\'m trying to compile and strip a very simple program in C++ with the g++ compiler (4.6.0 on Mac OSX). But while compiling i get a warning.[详细]

2023-04-04 11:32 分类：问答
does gcc link order affect speed of the program execution

I know the linkage order in gcc is important for symbols to be correctly determined; but now I am seeing a weird speed issue on the resultin开发者_运维技巧g executable. I am linking objects and archi[详细]

2023-04-04 10:24 分类：问答
Pre-compiled header gets created on every make?

I have a very simple makefile, that basically does the following: # Pre-compiled header CORE_PCH_FILENAME =Core.h[详细]

2023-04-04 08:31 分类：问答
Eclipse returns error for the code for which g++ doesn't

Building simple code (example is below) returns error on eclipse, while g++ from commandline doesn\'t. Both eclipse and g++ output executable that act the same (and the result meets my expectation). T[详细]

2023-04-03 22:00 分类：问答
Differences between llvm and g++ on OSX 10.7

I upgraded to OSX 10.7 Lion this weekend, and now I\'m tr开发者_开发百科ying to get all my unit and regression tests to pass... but there are quite a few problems. Several of my regression tests are n[详细]

2023-04-03 21:56 分类：问答
atomic<int> for older c++ compilers

I am using atomic<int> in my code, but the machine in which now I\'m compiling has an older g++ version which doesn\'t support C++11. Is there any equivalent class available on the net, s开发者_[详细]

2023-04-03 09:04 分类：问答