Recent questions tagged g++

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g++ Linker errors after upgrading to gcc-4.8 on Debian, libc6

I have just dist-upgraded a Debian Weezy machine to run gcc-4.8 from gcc-4.7. Previously the build environment ... this problem!) Any ideas? :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - ISO C++ forbids variable-size array (compilation error)

Normally I always compiled my C code like this: g++ program.c -o program.exe But my college professor requires ... help me compile the file? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - Equals returning false in c++

I'm fairly new to cpp and I am trying to do a project. It says that the code must take in a filename as an ... std::cout << test; return 1; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - gcc, width of long int on different architectures

On 64-bit architectures, long int, according to gcc is at least an int64_t. On 32-bit, long int is at ... for compliance with MS's compiler). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - std::thread in MacPorts gcc4.5

I'm trying to compile some software I've been writing in Linux that uses some fancy new C++0x features ... would still be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - C++ std::shared_ptr usage and information

I am trying to use std::shared_ptr in my code. I have seen there have been other questions on the subject ... on the std smart pointers? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - How to link host code with a static CUDA library after separable compilation?

Alright, I have a really troubling CUDA 5.0 question about how to link things properly. I'd be really grateful for ... . How can I achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - Disable all gcc warnings

I'm working on a project that will read compiler error messages of a particular variety and do useful things with ... messages if there are any? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - Initializing const member within class declaration in C++

In PHP and C# the constants can be initialized as they are declared: class Calendar3 { const int value1 = 12; ... it declared as static or not. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - How can I compile CUDA code then link it to a C++ project?

I am looking for help getting started with a project involving CUDA. My goal is to have a project that I can ... arrays that exist in main.cpp. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - gcc warning" 'will be initialized after'

I am getting a lot of these warnings from 3rd party code that I cannot modify. Is there a way to disable ... , allocator<LogOutput*> >::alloc_' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - How can you compile all cpp files in a directory?

I have a number of source files in a number of folders.. Is there a way to just compile all of them in one ... be done with just straight g++? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - How gdb reconstructs stacktrace for C++?

I have divided the whole question into smaller ones: What kind of different algorithms GDB is capable ... enable/disable particular algorithm? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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358 views

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g++ - Atomic swap in GNU C++

I want to verify that my understanding is correct. This kind of thing is tricky so I'm almost sure I am missing ... for C. Thanks ahead of time. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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380 views

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g++ - gcc: Difference between -L and -l option AND how to provide complete path to a library

I am new to makefile stuff; so, please accept my apology if my questions are trivials. Question 1: ... /~newhall/unixhelp/howto_C_libraries.html See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - cross compile Boost 1.57.0 on ubuntu for arm

I am new into cross compile process. Need to cross compile boost library for arm. Please suggest step to ... required feature of boost library? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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479 views

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g++ - What are the gcc predefined macros for the compiler's version number?

I have run into a bug with gcc v3.4.4 and which to put an #ifdef in my code to work around the ... detect the version number of the compiler? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

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g++ unicode variable name

I am trying to use unicode variable names in g++. It does not appear to work. Does g++ not support unicode ... I'm not testing in). Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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g++ - How to avoid C++ anonymous objects

I have a ScopedLock class which can help to release lock automatically when running out of scope. However, the ... to find the right one. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

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g++ - When did "and" become an operator in C++

I have some code that looks like: static const std::string and(" AND "); This causes an error in g++ like ... of course this message from g++ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

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g++ - building and linking a shared library

im trying to build a shared library on a windows cygwin platform using g++, and later link it with another cpp ... .1, but that too didnt work See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - Increase stack size with XCode

I developed a command line application on Linux which needs its stack to be increased. On Linux I just used the ... should I add this option? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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574 views

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g++ - Why gcc 4.1 + gcov reports 100% branch coverage and newer (4.4, 4.6, 4.8) reports 50% for "p = new class;" line?

When gcc 4.1 (using gcov) next line: p = new Class; is reported as 100% branch coverage <-- THIS IS OK for ... = new Class;". Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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g++ - What is the VTable Layout and VTable Pointer Location in C++ Objects in GCC 3.x and 4.x?

I am looking for details of the VTable structure, order and contents, and the location of the vtable pointers ... ABI layout documents are here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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760 views

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g++ - Missing include "bits/c++config.h" when cross compiling 64 bit program on 32 bit in Ubuntu

I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my ... should be taking care of this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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363 views

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g++ - c++ undefined reference to vtable

I'm learning C++. I'm trying to do an exercise where I define several implementations of a pure virtual class ... not managed to fix my issue. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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709 views

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g++ - extra qualification error in C++

I have a member function that is defined as follows: Value JSONDeserializer::ParseValue(TDR type, const json_string& ... I remove this error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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