Using zlib under windows mingw

I can't seem to get zlib to do anything on mingw under windows. I downloaded zlib @ http://sourceforge.net/projects/mingw/files_beta/MinGW/zlib/zlib-1.2.3-1-mingw32/ and put the header and lib...

problem with soaplib (lxml) with apache2 + mod_wsgi

when I launch my application with apache2+modwsgi I catch Exception Type: ImportError Exception Value: DLL load failed: The specified module could not be found. in line from lxml import...

Windows XP / active perl 5.12.3 / XML::LibXSLT / unable to install

I am trying to install XML::LibXSLT package on my dev machine but its not working. First of all PPM GUI doesn't even show this package and when i try to install it using cpan i get following...

Problems with OpenCV compilation with static linking on pandaboard

I installed opencv with static linking on pandaboard using BUILD_SHARED_LIBS=0 option. I am using ubuntu 11.10. I also built 3rd party libraries png, jpeg, jasper and zlib. (cmake options...

Runtime Opencv HighGui Error- "HIGHGUI ERROR: V4L/V4L2: VIDIOC_S_CROP". Opencv cross compiled. Host=64bit Ubuntu 12.04. Target=ARM-Cortex-A9

I am a beginner at OpenCV and trying my best to get a simple application running on an embedded platform. I cross-compiled OpenCV 2.4.4 and built it WITH_GTK=ON, WITH_UNICAP=ON, WITH_V4L=ON as...

library not found for.....?

i added new framework(3rd party) and build. Unfortunately, since the execution was not. How do I solve this problem? The whole four nights were spent.:( Ld...

perl mysql module installed fail on Windows

I'm trying to install mysql using: cpanm DBD::mysql I got output error like this: Set up gcc environment - 3.4.5 (mingw-vista special r3) --> Working on DBD::mysql Fetching http:...

Having trouble installing libxml-ruby on windows

First of all thank you for your time. I've been having some trouble installing libxml-ruby on my windows 8 OS. I have ruby installed and want to use libxml specifically to modify xmls because...

Error in cross-comiling OpenCV with OpenWRT

I have faced problem during OpenCv cross-comipilation (with OpenWrt, release Attitude Adjustment (12.09-rc1), platform ar71xx). It seems that OpenWRt linker could not find proper libraries... [...

libpython2.7.a missing many references

I'm trying to compile a cython module with -static, but I am getting a lot of errors about missing references in libpython2.7.a. For example: ...

OpenCV and Qt static linkage

I have a static build for both Qt and OpenCV. When I try to make a static application in QtCreator: g++ -static -static-libgcc -Wl,-s -Wl,-subsystem,windows -mthreads -o release\Test.exe...

checking for ZLB_Compress in -lzlib... no configure: error: zlib missing

I got a really big and "old"(form me as a fresh graduate) client-server project. The client is in c++ for Windows and I managed to compile it, but the server is on linux and it is a pain because I...

glew linking problems qt creator qmake

I am trying to get a project working with SDL2, assimp, opengl, and glew and cannot get glew to link properly (almost a duplicate but a more comprehensive question and answer, I think). My qmake...

Homebrew cannot link libpng trying to install gdal

I'm trying to install gdal via homebrew so I can start working with topojson, but I keep getting this error and I'm not sure how to resolve it? k-6177:Cellar k$ brew install gdal ==> Installing...

Unresolved symbols: Qt and OpenCV

I have been trying to use OpenCV in my Qt-based application. However, I am running into linking errors for some reason. I am using Qt 5.5.0, MSVC 12.0, OpenCV 3.0, Windows 7. My OpenCV is unpacked...

Python Pillow not installing under OSX

I am trying to install the Python Pillow library and I am getting the following error: ValueError: zlib is required unless explicitly disabled using --disable-zlib, aborting I followed the...

Error while compiling gradle - 'Could not find method sources()'

I am trying to compile the Gradle file in Android studio by including CPP files. But I get this error: Error:(37, 0) Could not find method sources() for arguments...

PIL Library not loaded: /opt/local/lib/libjpeg.9.dylib

I have a perfectly running website designed in django, but accidentally i uninstalled homebrew and hence all the packages postgres, Pillow etc., had been lost and hence installed all of them...

Undefined reference to static library methods inside another static library

After failing to install a C++ libzip wrapper named libzippp because of a broken Cmake, I decided to compile/link it myself as it's tiny enough. Problem is that this lib has two dependencies, zlib...

Undefined reference (but nm says the function exists)

I have a library from a camera manufacturer, and in the demo code provided, a function called metadata_init() works fine, in my code though, I get an undefined reference error. The make output...

Error while installing mysqlclient on macOS Sierra Python 2.7

I am trying to install mysqlclient: pip install mysqlclient I get this error: /usr/bin/clang -bundle -undefined dynamic_lookup -arch i386 -arch x86_64 -g -I/usr/local/opt/lzlib/include...

GCC 6.2 build error in HP-UX

Build Environment HP-UX RX2660 B.11.31 U ia64 GCC 4.2.3 Build Target GCC 6.2 swlist Product(s) not contained in a Bundle: gcc - 4.2.3 gettext - 0.19.8.1 gmp - 6.1.2 gnutls - 3.6.0 intltool -...

Make a standalone OpenCV application using QMake

I was using the OpenCV library to make a console application in Qt Creator (I'm just using QMake and the IDE, not any of the Qt libraries). This is on Ubuntu. First I was using OpenCV dynamically...

OpenCV: undefined reference to cv::imwrite

Opencv cannot link cv::imwrite during linking. I am linking imgcodecs but still getting link error for imwrite. Interestingly no error for cv::imread only for cv::imwrite. Opencv Version:...

Opencv static library could not be linked in eclipse (-ldl is added!)

I would like to link opencv statically in my c++ program so user does not have to download opencv themselves. I have tried everything on internet to try to use opencv static library in my c++...

How to compile opencv application using opencv static libs?

I compile OpenCV4 by statically link: cmake -DCMAKE_TOOLCHAIN_FILE=../platforms/linux/arm-gnueabi.toolchain.cmake -DCMAKE_INSTALL_PREFIX=~/opencv4-static -DBUILD_SHARED_LIBS=OFF...

Building Qt WebEngine on Windows without Visual Studio 2017

I would like to build Qt 5.12 from source including Qt WebEngine on Windoww 10 (64 bit). According to the documentation, Visual Studio 2017 is needed for that task which I cannot use due to...

Jekyll installation via Bash on Windows 10

Using a Windows 10 machine with build 18363 with the Windows Subsystem for Linux installed (Ubuntu 18.04 LTS). With a goal to install Jekyll, followed the steps mentioned in the documentation...

Having Problems getting OpenModelica to run / error code 1

I just downloaded OpenModelica and installed the latest build in C:\OpenModelica1.14.1 Starting the connection-editor, not one of the modelica example seems to run. An .exe-file is being created...

Issue Installing Rails on MAC --> development tools installed --> mkmf.log warnings . Please Assist

I have reset my mac recently. Rails won't install I typed sudo gem install rails I receive this error: Building native extensions. This could take a while... ERROR: Error installing...