I'm trying to build a simple webcam application in C++. I'm using wxWidget for GUI and OpenCV for image and video operations. But I'm having trouble setting up OpenCV on my IDE. When i try to run a sample code, or any code for that matter, I get an error that says:
ld.exe cannot find -lhighgui
I'v properly given the library and include links to the IDE. OpenCV's path is also added, I checked. I even tried linking each library file individually but id didnt work.
Please Help. :)
I'm using Windows 7 Professional X64 and Code::Blocks 10.05
Any kind of help will be appreciated.
--Aayush Shrestha
OpenCV library files have been renamed with version 2.2. You can link to the new library opencv_highgui instead of highgui.
You also need to do this for other OpenCV libraries you use.
Related
i have a question that google couldn't solve. thing is i am currently working in a project with around 15 other people. some of us use eclipse and some use clion. the problem is that clion uses a "CMakeLists.txt" file in which specifies all files to be compiled. Eclipse doesn't use this file, but the ones using clion complain that they have to manually add all .c files created in eclipse in that file in order to compile the project. is there a way to get around this? thanks
I am having some trouble adding library path inside XCode. I am writing C code.
I have both my code and the library I want to add. But I have trouble adding the library, say a math library I want to use. I think the path is not set correctly. I do not know how to set paths inside XCode.
Would anyone know or have an example of how to add libraries to a C code? I am using the current version: XCode 4.4.1.
Thanks in advance!
I just got the latest Xcode 4.2 and I am running into problems with openmp. I have a couple of projects written in C that compiled without any problem with Xcode 3.2.6 but with the new version strange things happen.
One of my projects produces a static library and when I compile it I get this error (not a warning):
Lexical or Preprocessor Issue
'omp.h' not found
I have enabled openmp support and selected the LLVM GCC 4.2 compiler. Although I get this error the static library is still generated.
Thinking it could be a conversion problem between 2 different versions of xcode, I created another project with Xcode v4.2 with a simple hello world-like program. I get exactly the same error and the program runs as it should. If I compile this project using the command-line xcodebuild I do not get any error.
Has anyone encountered this problem?
Yep, i have exactly the same problem. Not sure this is actually a real problem because the project seems to be correctly compiled.
I'd love to know what's the matter behind that too.
EDIT : finally, there's no error. The problem just comes from the Xcode 4 LLVM engine which shows constantly errors in the editor. And it can't parse the path. Don't know why.
If you want to get rid of that "error", you can use the direct path instead :
/usr/llvm-gcc-4.2/lib/gcc/i686-apple-darwin10/4.2.1/include/omp.h
Although the topic is old, I had the same problem with Xcode 5.1.
However, using the direct path doesn't suit for me, because I have to share the code in a developer group.
The problem here is I think, Xcode and the used compiler don't have the same search paths, so Xcode doesn't find the header meanwhile the compiler does.
I worked around this issue by copying the header to the folder of the set Framework:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include
This solved the problem for me.
Pardon me if this is a "noob" question, I'm overextending myself a bit with this.
I'm trying to compile a library written in C for use in an iPhone app I'm developing. I can't seem to figure out how to do this, and I've been searching and trying things for hours.
I've tried using an External Build System project, and selecting the folder where the makefile.in.am.mingw are.
I've tried creating a Static Library project and adding the header\source files to the project. Which looked good until I tried to compile and got 260k+ errors.
When I 'cd' to the directory with the makefiles and type 'make' I get:
No targets specified and no makefile found. Stop.
I have no idea how makefiles work, I just want to use the library!
Is there a simple way to do this? If someone could at least point me in the right direction, I would be quite appreciative.
The makefiles you have are for GNU automake (under MINGW by the look of it). Even if you get them working (automake can be tricky, but it is included in Mac OS X's development thankfully), it probably won't help you much in building an iPhone library.
I did this with an existing C library by creating a new framework target in Xcode with the right include settings, etc gleaned from looking at the makefiles. That created a .framework bundle with headers and an iPhone .a library ready to be used by an iPhone project. You could also just import the C source into the iPhone project, and have it compiled in that way which would probably be quicker.
can anyone help me with linking libsox to my program in Windows? I have made a static library libsox.lib according to directions in INSTALL file in sox 14.2.0 source code version. Is there any way to build a dynamic library? I think it should be easier way...
What language are you using?
How are you currently building and linking the library?
This link gives some info on linking libraries in VC++ under windows, but without more info from you no-one will be able to help