Boost++ Libraries in libPTP of OMNeT++ - omnet++

When I import libPTP in OMNeT++, I need to install Boost++ Libraries. I installed the Boost++ Libraries according to the Install Guide, but it didn't work. The following error occurred:
Errors occurred during the build.
Errors running builder 'OMNeT++ Makefile Builder' on project 'libPTP'.
Path must include project and resource name: /boost
Do I need to set the path of Assembly, GNU C and GNU C++ to C:\boost of the Includes tab when I do the step ‘Add the path where you have installed Boost (e.g. C:\boost)`?
Looking forward to your reply. Thank you.
Best Regards,
Fei

Related

gtsam is not able to find Eigen

I use version 4.1.1 of GTSAM. I have version 3.3.4 of Eigen installed.
The error is:
/usr/local/include/gtsam/base/OptionalJacobian.h:22:10: fatal error: Eigen/Dense: No such file or directory
#include <Eigen/Dense>
I tried building GTSAM with the flag -DGTSAM_USE_SYSTEM_EIGEN set to both on and off.
The same error message appears in both cases.
For reference this is a ROS project built with catkin.
Have you seen this PR: https://github.com/borglab/gtsam/pull/1304
If you can upgrade GTSAM to 4.2a8, it uses Eigen's find script's rather than custom ones and should properly find Eigen3, if you have it installed if you require to build from source.
Since you are using ROS, why not go the standard route... Have you declared a dependency on it in your package.xml and installed it with rosdep?
https://github.com/ros/rosdistro/pull/23198/files
Add to your package.xml:
<depend>gtsam</depend>
And, your CMakeLists, you just call
find_package(gtsam REQUIRED)
It is unclear to me, if gtsam is available through binaries, why you would be building it from source.
I was able to get it working by cloning version 4.0.3 of GTSAM into the src folder of my workspace, then building it with the following arguments:
-DGTSAM_USE_SYSTEM_EIGEN=ON -DGTSAM_POSE3_EXPMAP=ON -DGTSAM_ROT3_EXPMAP=ON

CMAKE error with Opencv in a workflow (github actions)

I have a workflow on Github actions that is building on my macbook x64. It was working well until I formatted it and reinstalled it.
My last task which use maierj/fastlane-action#v1.4.0 is failing with this error :
FAILURE: Build failed with an exception.
* What went wrong: Execution failed for task ':app:generateJsonModelRelease'.
> /actions-runner/_work/app/CMakeLists.txt : C/C++ release|armeabi-v7a : CMake Error at /actions-runner/_work/app/CMakeLists.txt:16 (find_package):
By not providing "FindOpenCV.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "OpenCV", but
CMake did not find one.
Could not find a package configuration file provided by "OpenCV" with any
of the following names:
OpenCVConfig.cmake
opencv-config.cmake
Add the installation prefix of "OpenCV" to CMAKE_PREFIX_PATH or set
"OpenCV_DIR" to a directory containing one of the above files. If "OpenCV"
provides a separate development package or SDK, be sure it has been
installed.
I know the issue is on my machine as it was ok before (and not the code). I tried to install cmake and opencv on my machine but nothing changed. Do you have any idea of what I can do ?

Trouble installing hmatrix through MSYS2 on Windows 10

I've been trying to install hmatrix on my (64-bit) Windows 10 computer; after searching through and trying many possible solutions (including the instructions under "Windows" and "Alternative Windows Build" given here), I decided to pursue the course of action given on this Reddit thread.
However, when I type in the command
cabal install hmatrix -fopenblas --extra-lib-dir=${c:\msys64\mingw64\bin} --extra-include-dir=${c:\msys64\mingw64\include}
into the MSYS2 shell, the following log is given:
Resolving dependencies...
Configuring hmatrix-0.17.0.2...
Failed to install hmatrix-0.17.0.2
Build log ( C:\Users\Christian\AppData\Roaming\cabal\logs\hmatrix-0.17.0.2.log ):
Configuring hmatrix-0.17.0.2...
cabal.exe: Missing dependency on a foreign library:
* Missing C library: libopenblas
This problem can usually be solved by installing the system package that
provides this library (you may need the "-dev" version). If the library is
already installed but in a non-standard location then you can use the flags
--extra-include-dirs= and --extra-lib-dirs= to specify where it is.
cabal: Leaving directory 'C:\msys64\tmp\cabal-tmp-4244\hmatrix-0.17.0.2'
cabal.exe: Error: some packages failed to install:
hmatrix-0.17.0.2 failed during the configure step. The exception was:
ExitFailure 1
However, when I check the directory c:\msys64\mingw64\bin, I see that libopenblas.dll is right there; I don't know why cabal can't seem to find it.
Any insight into why this is not working or what to do?
UPDATE:
The files libopenblas.dll.a and libopenblas.a are in the directory c:\msys64\mingw64\lib. Is it possible I need to somehow include this directory as well? (If I do, how would I do that?)
I also downloaded the files in Alex Vorobiev's comment below and put them in c:\msys64\mingw64\bin if they are .dlls or c:\msys64\mingw64\lib if they are .libs. The header files were already contained in c:\msys64\include\openblas.
I tried several variations on the command in the original post after making these changes, including switching \bin with \lib and switching \include with \include\openblas, but all of them still give the same error.
I'm a bit suspicious about the
if os(windows)
if flag(openblas)
extra-libraries: libopenblas
in the cabal file, could you unpack it and remove the "lib" part? If that doesn't work please post a log with -v3 output. I've seen quite a few people with troubles installing this package. So could you also open a ticket on the GHC bug tracker if this doesn't work (and CC me "Phyx-")?
Secondly, you never said which version of GHC you're using. 8.0.1 should have far less trouble (and won't need the hack to get it working in GHCi) since the runtime linker has been overhauled and should be much better on Windows. 8.0.2 will likely include the new import libraries support as well.

How to install Boost on Windows 7 with VS

So I am trying for whole day to integrate Boost with Visual Studio (2008) on Windows 7.
I firstly I went twice trough this How to use Boost in Visual Studio 2010.
I searched over all (there are at least 3 of them) simiral topics and none of them worked.
Some people proposed using this one : www.boostpro.com/download/ but link is not active.
Someone proposed to change runtime library to Multi-threaded DLL but is also didnt work.
I just try to include #include <boost/thread.hpp> and got this error
fatal error LNK1104: cannot open file 'libboost_thread-vc90-mt-s-1_53.lib'.
Before installing Boost the error was that it cannot find the thread.hpp so it seems like the Boost is installed somewhat correctly.
The problem is that the libraries were not build while I was using the tutorial. How can I build them manually?
There's no such thing like one-click boost install, you still need to do something manually. In your case it seems you need to compile Boost.Thread library and then add directory where resulting .lib file is to your library path. The link you provided looks pretty good. If you followed it probably you already built Boost.Thread. Make sure you did #6 from the second part.
There are prebuild binaries - installation packages:
http://sourceforge.net/projects/boost/files/boost-binaries/1.53.0/
Use this command:
bjam --build-dir=build-directory toolset=toolset-name --build-type=complete stage
this build the libraries manually. Then add the new directory to additional libraries path
as it is indicated in this link:
http://www.boost.org/doc/libs/1_43_0/more/getting_started/windows.html#or-build-binaries-from-source
I found this article quite helpful:
http://www.codeproject.com/Articles/11597/Building-Boost-libraries-for-Visual-Studio
The article explains how to build the build tool BJam (mainly by locating the boostrapper.bat)
How to build the libraries, e.g. bjam toolset=msvc-11.0 variant=debug threading=multi link=static (in this case the VS2012 multi-threaded, statically linked debug version).
It also features build batches, but I haven't tried them.
It has some additional information on how to specifiy the used C-Runtime

How to import opencv libraries into eclipse using windows

i'm trying to import that libraries into eclipse using that tutorial. But i retrieve that error:
**** Build of configuration Debug for project OpenCVExample****
**** Internal Builder is used for build ****
gcc -IC:\OpenCV2.1\include\ -O0 -Wall -o src\example.o ..\src\example.c
Build error occurred, build is stopped
Time consumed: 68 ms.
What can i do? i follow all the tutorial line by line, can someone help me? Thanks!
The error message doesn't say what the error was, it just says that there was a problem.
Looking at the tutorial I can say there is one obvious error: while the tutorial assumes you installed v2.1, it gives you the link to download and install v2.2 (OpenCV-2.2.0-win32-vs2010.exe).
So one thing you need to pay attention is: if the version you installed is different from the one used in that tutorial, you need to take this into consideration when adjusting:
The environment variable PATH;
The directory name in C/C++ Build -> Setting -> GCC C++ Compiler -> Directories;
And the name of the libraries in MinGW C++ Linker -> Libraries.
For instance, the library names for v2.1 are:
cv210
highgui210
cxcore210
cvaux210
cxts210
ml210
opencv_ffmpeg210
But if you are using v2.2, you need to use:
cv220
highgui220
cxcore220
cvaux220
cxts220
ml220
opencv_ffmpeg220
Capiche?
Now, if you continue to have problems you can consider installing Visual Studio 2010 Express, which you can use and download for free. This post will show you how to configure it for OpenCV.

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