Eclipse nothing to build message in C project

Question

I downloaded Eclipse Mars although I have been doing most of my work on Android Studio. The reason is I need another tool, which is not compatible with Android Studio. The proce

Answer 1

Compiler is simply telling you that your code was already compiled and there are no changes in your code, then it does not compile. Is a builtin feature of compilers, if there are no changes in source code file, compilers do not waste time.

Clean Project before to Build Project or modify Hello.c and Build your project.