C/C++ :: Linking Boost Thread With Xcode
Sep 30, 2014
I have built Boost from the website using
./bootstrap.sh
./b2 install
I think all are installed properly. I am trying to use Xcode to include the library of boost:thread.My code links to the header file properly with " #include "boost/thread.hpp"" commented, as seen from the following:
However, it could not link properly to boost-thread if "#include "boost/thread.hpp"" is un-commented.
Error page is shown as:
I have linked the dynamic library libboost_thread.a and libboost_thread.dylib and included /usr/local/include into header search path and /usr/local/lib into library search path.
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Dec 17, 2014
I have written a program that uses boost in visual studio 2012. The only boost library I used is filesystem by doing.
1)Properties->Linker->General and adding the path or the .lib to the additional dependencies. The libraries, link at compile time.However when i move the exe to a different computer, it doesn't work. Therefore the libraries were dynamically not statically linked. So my question is how do I statically link the filesystem library, so that i can include boost/filesystem.hpp in visual studio 2012?
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Nov 22, 2012
I was wondering if it was possible to access data from an array inside a threaded function after it has finished executing?
Take this example:
Code:
#include <iostream>
#include <boost/thread.hpp>
using namespace std;
[Code]....
After workerFunc has finished, how could I access the array arr? Is there any way to get (3,4,5,6,7) back into main()?
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Jul 30, 2014
I have a class which I wrote and one of its object is "SerialPort" .NET class. In my MainWindow I created instance of my class called "SerialPortComm", then I send through some functions of mine, commands to the Serial Port, and I receive answers through "DataReceived" event.
But when I trying to use Dispatcher.BeginInvoke to write my data I have received (successfully), nothing shows on the RichTextBox which I'm trying to write to.
What can caused that, and How I can make it works?
SerialPortComm.cs
public partial class SerialPortComm : UserControl {
public SerialPort mySerialPort = new SerialPort();
public void Open_Port(string comNumber, int baudRate) {
mySerialPort.PortName = comNumber;
mySerialPort.BaudRate = baudRate;
[Code] ....
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Mar 20, 2012
I'm taking an intro to c++ class and during an exercise I ran into multiple errors that are out of my knowledge to fix. The rest of the class is using Visual and that is all the instructor knows so i'm in my own figuring out Xcode. Basically I wrote the same program twice but one has a different struct and I get all sorts of errors with it. understand what the errors are and why they occurred.
The working program is this:
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
using namespace std;
struct point {
public:
double x1,y1;
double x2,y2;
[code]....
This program does not compile and I get the following errors:
stl_iterator_base_types.h
1) Symantic Issue
No type named 'value_type' in 'myPoint'
2) Symantic Issue
No type named 'iterator_category in 'myPoint'
3) Symantic Issue
No type named 'difference_type' in 'myPoint'
4) Symantic Issue
No type named 'pointer' in 'myPoint'
5) Symantic Issue
No type named 'reference' in 'myPoint'
Why does one work and the other doesn't!?
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Feb 2, 2013
I'm completely new to C, and I don't know how to create a library using Xcode.
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Mar 18, 2014
typedef struct dvdtype{
int dvdcode;
char title[50];
int customerID;
[Code]....
i am trying to write this program about a dvd club...i have functions that insert,delete,rent,print movies..I also have to make 2 other functions..Save to file and load from file..My function for saving to file is exactly the same as the one i posted except instead of "r" i put "w" and fprintf for fscanf and fgets..So my function for saving works ok...(in xcode i have to use the full path of a file) but this one does not work...If i call the function from the main menu it does not print Error neither does it say that there is something else wrong...When i gave the number 6 for example to call the function,afterwards it is like the program is waiting for me to give number or characters..it is like using scanf...I write anything and press enter and nothing happens ,it is like asking for data again..i give some numbers or letters and press enter for 5 or 4 times and it displays the menu and asks to choose what to do again, as if nothing happened ,without printing the values that are inside the file..
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Jan 25, 2014
im having trouble accessing the c library on my mac. The reason being is i need to get the code for pi for my program.
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May 27, 2013
I want to include turboc.h file for some project
where do i have to add this file for mac xcode?
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Oct 5, 2014
I am using Xcode to do c++ programming and I have a c++ code, with different input arguments. I want to achieve that in Xcode, I could run multiple simultaneous running of my c++ code. However, the current problem is that once one code finishes, its terminal window automatically closed and I do not have time to look at its result. Thus computer time is wasted. Is there a way to run multiple same c++ code with different arguments input?
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Mar 12, 2015
using cs50 videos. I'm working on writing a caesar cipher program(pset2) in c using Xcode and the command line tool. So far I just press play and it compiles and runs my source code. Now I need to use command line arguments, how do I enter command line arguments with the tools I'm using?
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Feb 23, 2014
I am trying to load a .bmp file located in the same folder as main.cpp etc. but I'm not sure what to input as the resource path so that it picks it up and, when I distribute it, I want it to be preferably cross platform and run smoothly.
I have tried using:
hello_world.bmp
SDL_Game/hello_world.bmp (SDL_Game is the name of the project)
but it will work if I use the full path. I don't want to do this though, because then it will not work on other computers and platforms.
This is the function I use to load media:
bool loadMedia() {
// Loading success flag
bool success = true;
// Load splash image
gHelloWorld = SDL_LoadBMP("hello_world.bmp");
[Code] ....
I am using XCode 5, SDL2.0.1, OSX 10.9 Mavericks and C++.
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May 22, 2014
I am working on Explicit Linking of a DLL to an executable. But, when it comes to application, I have some troubles.
1) I try to export a class using C Language approach. (I would ask for other approaches later).
My dll project as follows:
dllmain.cpp
// dllmain.cpp : Defines the entry point for the DLL application.
#include "stdafx.h"
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
[code]....
2) Related with the question above, what is the best way to provide a "pure" explicit linking? How can I explicitly link a dll without introducing the corresponding .lib and without including the dll's header file?
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Mar 8, 2013
i am trying to write program that prints out full lyrics to 99 bear song. Hoping for explanation or anything
The output would have to look like:
99 bottles of beer on the wall, 99 bottles of beer.
Take one down and pass it around, 98 bottles of beer on the wall.
My try below:
Code: #include <iostream>
using namespace std;
int main()
{
for(int i=99; i>=0 ;i--)
cout << i <<""<< " bottles of beer on the wall, "<<i<<" bottles of beer."<<endl;
for(int j=98; j>=0 ;j--){
cout <<endl;
cout << "Take one down and pass it around," <<j<<" bottles of beer on the wall."<<endl;
}
return 0;
}
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Oct 7, 2014
I am trying to refresh my memory here as I did some studies many years ago but the results elude me.Also todays c/c++ compilers may have better optimizations.Say I have a static library that includes three obj modules.Each of these object modules has a number of functions. These functions do not reference any other functions within the obj module.My main app links this library but only references one function from each of the object modules.
Question: Are the complete contents of each module linked into my main app or are todays linkers smart enough to just link the functions used?
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Feb 25, 2014
I am running a windows forms project. on the form there is a datagridview, a progress bar, a textbox and two 2 buttons.
The two buttons are used to navigate through the records(one for next record and the other for previous record) the textbox displays the record that is being currently viewed.
How can I link the progress with the database or in this case the datagridview and when the next button is pressed it increments and when the previous button is clicked it decrements and also the progress to be fully filled when the last record is reached ?
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Sep 7, 2012
I am forced to have the deceleration of a class template in the .h file.
See here: [URL] ....
This works perfectly fine, as long as i #inlcude the header file only in ONE .cpp file.
The moment i #inlude it in several .cpp files, i get LNK2005 already-defined errors.
a.obj : error LNK2005: "public: unsigned int * __thiscall theclass::themthod(void)" (?xxx@theclass@@QAEPAIXZ) already defined in b.obj
I would have assumed inclusion guards can protect me from this, but wrong.
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Nov 24, 2013
I am writing a contact book program in C that will run in the terminal. I am going to create a file to store the data separately, but have run into a few question areas:
1) It has occurred to me that it might be more efficient to setup the program so that it sorts the contact info by info type rather than by running through an index of the contacts and then linking all of that contact's information to that index. So basically one part of the file would be phone numbers, the other contact names, and so forth with each piece of data linked to another piece within the data file that corresponds to the same contact. Am I wrong to think this is a more efficient way to set up the file?
2)How would you link the data information to other pieces of data corresponding to the same contact in C? My thought is to do it with pointers, but I didn't know if it were possible to have the pointers as I didn't know if the pointer would point "persistently" to the data once the file closed.As I felt this is a more "in general" question, I have chosen to omit my code from this post (especially since there is not much "meat" in it to speak of).
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Jan 25, 2013
My Project is to Dynamically Link 2 Software for Co-simulation n C/C++. So that Output of One Software becomes Input of Other automatically . at present we input the parameters manually in both the software . what to do so that it pick up values itself and gives the output by solving each and everything at once in both the software .
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Jun 20, 2013
I have a libcx3d.a which contains my VrmlParser class and other classes which are used by VrmlParser. I have a main.cpp which does this :
VrmlParser vp = new VrmlParser();
double **VOB = vp.getVOB();
When I compile using g++ main.cpp -o main -L. -lcx3d, I get the following errors :
'VrmlParser' was not declared in this scope.
expected ';' before vp.
'vp' was not declared in this scope.
There is a header file called "VrmlParser.h" in the static library. Should I include this header file in main.cpp ? If so, will include "VrmlParser.h" work ? I have the .a and .cpp in the same directory. I can't find the header file for the static library.
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May 15, 2013
I find myself in a position where I am repeating the same pattern of, write shared lib, compile, link shared lib, write app lib "sandbox" dependent on shared lib, write shared lib, compile, link, write...
At each level of dependency I have to carry over previously shared libs, search directories, etc. How to automate this process, so I spend less time linking after each layer?
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Jul 16, 2014
I have built a static library that contains a macro. From a separate exe, I am calling this macro, but it doesn't work.
The compilation of the static library and that of the exe went okay.
Static lib contains just the macro definition.
Exe contains call to this macro.
Is there anything else that I need to do for this to work?
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Jul 30, 2014
I am having the issue of trying to call functions of a class through the header file.
Test.h
#ifndef TEST_H
#define TEST_H
class Test {
public:
void Hello();
[code]....
This code returns the error "undefined reference to 'Test::Hello()'"
All I am trying to do is call the Hello(); function in a seperate file.
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Jan 17, 2014
I am trying to use the C++ version of VOCE voice recognition API. It is an API built in Java, with support to C++ as well.
It works totally fine when I am working with VC2010. In vc2010 I have put all the necessary include files in the Vc++ Directories->Include Directories, and the library D:Program FilesJavajdk1.7.0_45lib in Linker->Additional Library Directories, and i added jvm.lib in Linker->input And everything works great
However, whenever I am trying to execute it in Qt, I am getting the error:
Code:
thread.obj:-1: error: LNK2019: unresolved external symbol __imp__JNI_CreateJavaVM@12 referenced in function
"void __cdecl voce::init(class std::basic_string<char,struct std::char_traits<char>,
class std::allocator<char> > const &,bool,bool,class std::basic_string<char,struct std::char_traits<char>,
[Code] ......
This is my .pro content:
Code:
QT + = core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = ProjectX
TEMPLATE = app
[Code] .....
How can I get rid of this error? I am using QT, the latest version which use the Visual c++ 2010 compiler.
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Dec 28, 2011
I have a project C# and i want to build it to .dll for use in ASP.Net project . Any way to do it. It look like my attachments image .
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Aug 6, 2013
I want to write a game engine with MinGW and Code::blocks ide
[URL] ....
This is my project's source code
[URL] .....
This is the build log.
I can't code it here, because it's two large to add the characters!
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