I am trying to install Gnu Scientific Library (GSL) on Windows XP, but this is very difficult for me. I found this site
http://gnuwin32.sourceforge.net/packages/gsl.htm
from which I downloaded "Complete package, except sources" and installed. But this is only 6.2MB large, which I find to be very small. Is this correct? I would be happy to get some help with this.
I don't understand why this has to be so difficult.
I am beginner as well, but I just managed to have it work on windows 8 with codeblock 12.11.
installing gsl from the file you mention. Better to use a filepath without spaces (not sure if relevant here, just read this advices for installing other libraries)
in codeblocks, after creating your project:
right click on project name
click on build options
on the right part of the windows that opens, select the name of the project (root of the tree)
select the linker settings tab
click add
browse to the lib directory of your gsl installation and select libgsl.a
same for libgslcblas.a
select the search directories tab
click add and select the include directory of your gsl installation.
From this point things worked ok for me.
good luck.
Related
Thanks in advance for the help.
This is on Windows/MSYS2 (mingw64) Eclipse CDT Version: 2019-09 R (4.13.0) Build id: 20190917-1200.
I have figured out how to run cmake in order to create an Eclipse compatible project file. I then got the project into Eclipse via I got this File->Open Project from File System. I can then make/build that file and create my executables. I do get a couple warnings regarding improper project path but the code all compiles without error.
However, I need to "connect" the cmake build directory (i.e. the project in Kicad) to my source code in order to edit and/or debug the changes I wish to make. Based on my research I believe I have to do this via the Project Properties C/C++ Build menu, however, this menu is not present. I believe I access this menu by selecting the project on the left and right clicking or alt-enter or from the top menu Project->Properties.
For some reason I can't do a screen grab on Eclipse but I pulled the image attached from the online help file: (https://help.eclipse.org/2019-06/index.jsp)
.
My "Project->Properties" menu looks similar in that it shows Resource, Builders, plus more things but there is no C/C++ Build entry: it just goes from Builders to C/C++ General.
I found this "solution" https://bugs.eclipse.org/bugs/show_bug.cgi?id=508319 which seemed appropriate as I had installed the standalone debugger, however, uninstalling it had no effect.
Any suggestions?
Thanks
The wxWidgets hello world example does not provide sufficient information to build wxWidgets in any one particular environment.
The Code::Blocks wxWidgets hello world example does provide sufficient information, but it does not seem likely that a newbie, or even a quite sophisticated user, could figure out all the necessary steps on their own, because there are arcane magic words required.
The Code Yarns example uses CMake, thus could run in many particular environments, but seems to assume that you have already set up wxWidgets and compiled it for your particular environment, and there does not seem to be a CMakeLists.txt file to compile wxWidgets for your particular environment.
wxWidgets is supposed to be cross platform and cross environment, and I am trying to set up a project to compile in several environments: on Windows10 Visual Studio, Windows 10 TDM-GCC, Windows 10 Code::Blocks, Ubuntu Code::Blocks, and Ubuntu 10 gcc.
And apart from the Code::Blocks environments, having trouble. Apart from Code::Blocks, I cannot find "Hello World" examples that actually set up wxWidgets on the target so that the Hello World will actually compile and run.
The wxWidgets samples directory is not particularly useful, since the samples assume an environment, and do not describe setting up that environment and the actions that will cause the sample to build and run.
Installation guide
I know this is a old question but I struggled really hard to find a guide for an installation on wxwidgets. You can use the vckpg importer by Microsoft. Make sure you have git installed before you follow this routine. I will write this for Windows with Visual Studio 2017:
Clone the following repository to a directory of your choice:
git clone https://www.github.com/Microsoft/vcpkg
Then open up powershell (ps) (run it as admin) and navigate to the cloned vcpkg folder
Now in ps, while you are in the vcpkg folder run the following command \.vcpkg integrate install so we have a user-wide integration of the vcpkg paket manager and can #include libraries in our c++ projects
Now to install wxwidgets 32-Bit run \.vcpkg install wxwidgets --triplet x86-windows. For the 64-Bit Version run \.vcpkg install wxwidgets --triplet x64-windows
Now open up the properties of your project in Visual Studio.
For the integration of the 64-Bit wxwidgets version choose all configurations and as plattform x64. Then go to C/C++ -> General -> Additional Include Directories and add the following folderpath YOUR_FOLDER_PATH\vcpkg\packages\wxwidgets_x64-windows\include;YOUR_FOLDER_PATH\vcpkg\packages\wxwidgets_x64-windows\lib. Do the same for the x86 configuration but with the wxwidgets_x86-windows folderpath instead.
As a last step go to in the properties under C/C++ -> Preprocessor and under the point Preprocessordefinition add the following as extra point WXUSINGDLL=1 (do it for the x64 and for the x86 plattform configuration if you want to use both)
Now you should be able to use the library and run the hello world project.
To build an app, first you need to have the library compiled. To achieve that you can get precompiled binaries or the sources (see Downloads) and compile them yourself (see Building).
Instructions might still not be perfect for everyone, and you are welcome to improve them - even call it your first contribution ;)
The installation instructions that I was looking for are to be found in wxWidgets/docs/install.txt
There are multiple ways to setup wxWidgets on Windows and use it in a project.
If your project is going to use CMake there are 2 main options (other than compiling stuff yourself some other way):
Use vcpkg - which, in theory, is the easiest, but I couldn't get it to work (in time). Here is some info on that: https://www.wxwidgets.org/blog/2019/01/wxwidgets-and-vcpkg/
The problem is find_package couldn't find the package, so then I just went to 2:
Download the lastest compiled headers, libs & bins from the wxwidgets and put them in a folder like c:/wxwidgets. Then, in your Cmake file, before the call to find_package, do:
SET(wxWidgets_ROOT_DIR "c:/wxwidgets/")
SET(wxWidgets_LIB_DIR "c:/wxwidgets/lib/vc14x_x64_dll")
SET(wxWidgets_CONFIGURATION "mswd")
The LIB_DIR is using VS2019 x64 in my case.
mswd just means build this for Debug
Finally, when adding the executable, do not forget the WIn32:
add_executable(membot WIN32 ${project_SRCS})
P.S.: Remember to extract the headers include folder near the lib.
I want to use a tracker, described on the OpenCV 3.0 documentation site. In OpenCV 2.x, it was necessary to recompile OpenCV including the contrib library. But as it is in the OpenCV 3 documentation, I guess that I do not have to recompile it anymore, right? But what do I have to #include in C++?
I'm trying to do this for quit a while and do not find any solution. Thank you!
EDIT
Thank you! The recompiling-process worked for me without any errors. I got still several errors: He does not find 'opencv_highgui300d.dll', 'opencv_imgcodecs300d.dll'and 'opencv_core300d.dll'.
I fixed this, because I had to change the 'Path' system variable to
...\cmake-output\vc12\x86\install\x86\vc12\bin
As far as I know the tracking module is still in the "contrib" module.
You have to re-compile OpenCV 3.0 using the contrib section that you may download from this github repo. When you compile OpenCV using CMake you have to specify the OPENCV_EXTRA_MODULES_PATH atribute as being the location where you have extracted the module.
If you have any issues, just let me know :)
[EDIT]
Download OpenCV from here and OpenCV_Contrib module from here. Unzip them and place them in the same directory (I have put mine in D:/OPENCV-BUILD)/
Open CMake and set the source code path to D:/OPENCV-BUILD/opencv-master
Set the "Where to build the binaries" path to D:/OPENCV-BUILD/cmake-output/vc12/x86. Here, vc12 is the platform toolset used by VS2013 and x86 is the platform target (you may build it for x64 also)
Press the configure button and select your generator (a.k.a the compiler you'd like to use). Select Visual Studio 12 2013 (for x86 build) or Visual Studio 12 2013 Win64 (for x64 build).
Wait until it's done configuring. A bunch of red lines will appear, dont't worry it's all good :)
Search for the following lines and uncheck them:
WITH_CUDA -> this will disable support for GPU accelerated algorithms using CUDA technology. You can build the library with CUDA support also, but it's a bit more complicated and it takes much longer. If you don't need it, un-check it :)
BUILD_DOCS, BUILD_PERF_TESTS, BUILD_TESTS. These are just some tests of the modules of the library (that I have never ever used)... Again, if you don't need them, un-check them :)
Everything related to Matlab (if you have these options). I have Matlab installed and CMake wanted to create some Matlab bindings for OpenCV. I had some issues at compiling the library with these options, so I deleted them (see the image below)
Search for "extra" and in the OPENCV_EXTRA_MODULES_PATH set the path to your "modules" folder from the contrib module (mine is D:/OPENCV-BUILD/opencv_contrib-master/modules)
Now click again on the "Configure" button. Wait until it says "Configuring done", and after that press on the "Generate" button. We're done with CMake!
In the output folder you have selected (D:\OPENCV-BUILD\cmake-output\vc12\x86) you'll find OpenCV.sln. Open it using VS2013.
In Visual Studio, select the configuration you'd like to build (I recommend you to build both for Debug and Release). Let's say you select 'Debug' first. Now right click on the solution and select "Build Solution". Wait until it's done.
In the 'CMakeTargets' folder you'll find a project named INSTALL. Right click on it and select 'Project Only -> Build Only INSTALL'). This creates a new folder named install and copies the result of the build there (libs, dlls, include files, etc.).
Repeat steps 10 and 11 for the 'Release' configuration.
After these steps, you'll have the files you need in your install folder (mine is D:\OPENCV-BUILD\cmake-output\vc12\x86\install)
The following link points to a very clear and nice explanation of how to install OpenCV properly and not have any problems with compilation and provided libraries.
This is the proper way to get a clean installation on Windows 7:
https://coderwall.com/p/wgaiwa/setup-opencv-with-vs2012-on-win7-64bit?p=1&q=author%3AVentsy
Hope it helps
I'm trying to use Qt4 using the Code::Blocks IDE. I'm running Linux Mint and I'm getting some errors. I looked around and found some people that had the same problem as me, but I can't seem to get their solutions working on my computer.
I installed Qt4 using the command
sudo apt-get install qt4-dev-tools
And when I type whereis qt4, I get qt4: /usr/lib/qt4 /usr/include/qt4 /usr/share/qt4
If I select "Create new Projet" in Code::Blocks and Select Qt4 project, it asks for Qt's location, which is $(#qt4) by default. If I click next, it says Code::Blocks doesn't know the "qt4" variable and gives me a prompt to set the base location, the include directory, etc.
Since I don't have any idea as to what I should be putting in there since nothing works (either it says "QTCore cannot be found in the specified directory", or the "lib" directory couldn't be found, etc.).
I tried what was posted on this forum: http://crunchbang.org/forums/viewtopic.php?id=18210, but it didn't solve my problem and I get the same errors.
In the "/usr/share/qt4" directory, there's a link to the "include" directory, but not to the "lib" directory.
I'm pretty new to Linux and all of this, so I'd like it if the answer was very detailed explaining what I did wrong / what I have to do.
Install the QtSDK
As a first step I would advise you to download directly the QtSDK, from the project site here.
Note: You could also use the precompiled version for your Mint version,
but in my personal experience, when working with external SDK,
you have more independence in development, it also allows you to work
freely with multiple versions of Qt simultaneously without move any
dependence of your OS.
You can follow the graphics steps to install the SDK, I advise you to check the option "download source", later this is going to be used for debugging code, and if necessary will allow the recompilation of some classes.
Now your QtSDK is installed on the folder eg "/usr/local"
So, all references inside your IDE should refer to this location.
Install the C::B
You can use the version available in "Software Manager"
Configure the C::B
When we start a new project and asks the location of our SDK we indicate this directory /usr/local/QtSDK/Desktop/Qt/4.8.1/gcc
Now the project is ready!
Note: "/usr/local" and "4.8.1" are variables depending on where
and what version you have installed.
Is very likely that your build directory, is not correctly assigned in "Settings->Compiler and Debugger->Toolchain ...->Compiler's Directory"
will be the default "usr" which should be replaced by "/usr/bin"
Now, when compiling with the standard project ".pro" and if your project has the requirement to use a "moc" tool strategy, the simplest way to do that, is use a customized Makefile, with all stages of compilation.
To learn how to make a customized makefile, you can read this answer.
And although I would advise again:
Although that CB is an optimal environment for working with wxWidgets, and C/C++ in general, I personally think that in the case of working with Qt, QtCreator provides a development environment more native and optimized to work with your projects QT.
I'm using Eclipse Helios on Ubuntu 10.04, and I'm trying to install CDT plugin on it. I download it from here here.
And then I go to Install New Software and select the zip file (I don't extract it, just select the zip file). And its ok, it installs, everything works fine, it shows optional features, blah blah blah.
And then I create a new HelloWorld project. And when I try to run it, it shows an error and says:
Launch failed. Binary not found.
Can anyone explain me how to fix it?
Thanks.
You must build an executable file before you can run it. So if you don't “BUILD” your file, then it will not be able to link and load that object file, and hence it does not have the required binary numbers to execute.
So basically right click on the Project -> Build Project -> Run As Local C/C++ Application should do the trick
First you need to make sure that the project has been built. You can build a project with the hammer icon in the toolbar. You can choose to build either a Debug or Release version. If you cannot build the project then the problem is that you either don't have a compiler installed or that the IDE does not find the compiler.
To see if you have a compiler installed in a Mac you can run the following command from the command line:
g++ --version
If you have it already installed (it gets installed when you install the XCode tools) you can see its location running:
which g++
If you were able to build the project but you still get the "binary not found" message then the issue might be that a default launch configuration is not being created for the project. In that case do this:
Right click project > Run As > Run Configurations... >
Then create a new configuration under the "C/C++ Application" section > Enter the full path to the executable file (the file that was created in the build step and that will exist in either the Debug or Release folder). Your launch configuration should look like this:
Go to the Run->Run Configuration-> now
Under C/C++ Application you will see the name of your executable + Debug (if not, click over C/C++ Application a couple of times). Select the name (in this case projectTitle+Debug).
Under this in main Tab -> C/C++ application -> Search your project -> in binaries select your binary titled by your project....
You must "build" before "run", otherwise "Binary not found". You can set up "Auto build", so that it will build and run. Check this post to set up "Auto build" http://situee.blogspot.com/2012/08/how-to-set-eclipse-cdt-auto-build.html
I had this problem for a long while and I couldn't figure out the answer. I had added all the paths, built everything and pretty much followed what everyone on here had suggested, but no luck.
Finally I read the comments and saw that there were some compilation errors that were aborting the procedure before the binaries and exe file was generated.
Bottom line: Do a code review and make sure that there are no errors in your code because sometimes eclipse will not always catch everything.
If you can run a basic hello world but not your code then obviously something is wrong with your code. I learned the hard way.
If you still have an error even after building the project then try to do this:
click on Binaries in Project Explorer with the left button
click on green "Play" button (Run Debug)
I was having this same problem and found the solution in the anwser to another question:
https://stackoverflow.com/a/1951132/425749
Basically, installing CDT does not install a compiler, and Eclipse's error messages are not explicit about this.
I faced the same problem. I have Eclipse Indigo and Eclipse Luna on Ubuntu. I tried many solutions, but none worked. Here's how you can try :)
Try it in order :)
Either do Build All and then compile :)
Install G++ Compiler
Windows->Preferences->NEW CDT PRoject-> Makefile-> Binary Parsers-> Choose Cywin or Window PE depending on your Os :)
Change your toolchain to cywin gcc
Project->Properties->Environment-> Release Active
After 1,2, 3, and 4, I tried changing paths, and other stuff, but nothing worked. In the end, I noticed that it mentioned Debug Active was not configured. So when I changed it to Release Active, it worked. Do note that change in environment and path is not required.
I faced the same problem while installing Eclipse for c/c++ applications .I downloaded Mingw GCC ,put its bin folder in your path ,used it in toolchains while making new C++ project in Eclipse and build which solved my problem.
Referred to this video
Seems like having "Build Automatically" under the Project menu ought to take care of all of this. It does for Java.
make sure you have GDB installed on your system...
If your using Linux based OS simply in a terminal type:
sudo apt-get install gdt
when finished downloading extract the file and install.
close your IDE (in this case eclipse and open it again and run your project.
Adding the compiler to the PATH fixed the problem for me...
export PATH="$HOME/opt/cross/bin:$PATH"
My problem was the same as one commenter above. I had to change the binary parser to the correct one (PE for windows, ELF for Linux, mach for mac)