I have a mixed java / C ++ project that I want to develop on a new PC. It uses the OpenCV graphics library. Everything works fine on the source PC, but when I copy the project to a new computer, I get errors indicating that eclipse is not aware of the existence of my compiler. For example, next to a string using the std namespace; he says the std character cannot be resolved.
Then I downloaded a sample project from the OpenCV library, which includes both Java and C ++ elements. It compiled and worked perfectly. Then I looked at the properties of this sample project and noticed that “GNU C” and “GNU C ++” were listed as languages on the “Includes” tab (see the figure below). In the corresponding part of preferences for a project that does not compile, it only says “c, cpp”. Also many tabs are different. I suspect that this is the key to what went wrong, but I have no idea what defines the list of languages that appear in this field or which tabs appear. Any ideas?
: , C/++ Build > , " " " ", " " "gnu make builder". toolchain "android GCC", - "android builder". "android GCC" . Current builder "android builder", "gnu make builder". Gnu make builder, " GCC", "c, cpp".