![]() ![]() ![]() And under Additional Include Directories I can put the path of boost library. In console application, I can put the path of the include files I need when I go to the Properties of the project under Additional Include Directories field. I need to use boost library which is compiled on my remote machine. The directory structure should look like this:Ĭmake_minimum_required (VERSION 3.0.0 ) project (bridge VERSION 0.1.0 ) if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" ) link_directories ( " $Ĭonfigure the CMakeLists. I am using CMake to configure the project. We create a CMake project named bridge, which contains a bridge.h file, a bridge.cpp file, and a CMakeLists.txt file.Ĭopy the header and library files of Dynamsoft Barcode Reader v10.0 into the bridging project. Creating C Interfaces for Dynamsoft Barcode Reader v10.0 To address this issue, one viable solution is to create a shim DLL by writing bridging code in C, which enables the invocation of Dynamsoft Barcode Reader’s C++ APIs. As a result, when you try to build the HelloWorld sample with MinGW, you’ll encounter numerous errors related to undefined references. However, these C APIs were discontinued starting from version 10.0. Prior to version 10.0, the Dynamsoft Barcode Reader offered C APIs compatible with MinGW. You can specify the CMAKEINSTALLPREFIX on the commandline of cmake (or in. Due to the differences in ABI (Application Binary Interface), C++ libraries built using the MSVC compiler may not be directly compatible with MinGW. After a succesful build you can copy the executable (see Beginners answer), but perhaps it is nicer to use an install target: Use the install command to specify targets (executables, libraries, headers, etc.) which will be copied to the CMAKEINSTALLPREFIX directory. Why Linking DLL Files Fails with MinGW GCCĭynamsoft’s C++ Barcode SDK for Windows is compiled with Microsoft’s Visual C++ (MSVC). To address this challenge, this article will guide you on how to create a shim DLL - a bridging shared library that exports C interfaces, ensuring successful DLL linking with MinGW GCC. However, if you’re using MinGW(Minimalist GNU for Windows) to code with this SDK, such as integrating it into a Qt project, you may encounter linking issues in Windows. This version has been entirely re-written in C++, providing an entirely new suite of APIs for barcode reading. Recently, Dynamsoft rolled out C++ Barcode SDK v10.0.
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