这个现象是由于编译器进行了代码优化导致：

1、找到项目属性设置，编译器选项设置，添加 -g -O0 选择项：

2、如果还是无法进入源码调试，将编译器优化选项手动禁止：

3、如果无法进入静态库进行源码调试，请将静态库项目的属性按照上面的要求同样设置。

 

原文：

Thanks! Following your suggestion, I solved both problems. It works 

like a charm!  Best,  Michael Chen  On Wed, Nov 12, 2008 at 3:13 AM, Subs <> wrote:

> 1. Unable to debug: You probably haven't built for debug. Use the -g -O0  > options to the compiler for debug build  > 2. Highlight moving randomly: This is probably becuase you have built for  > debug, but with a high level of optimisation. When optimised, the compiler  > will move code around to make it optimal, but this pretty much break the  > association with the source - hence what you are seeing.  >  > Michael Chen wrote:  >>  >> hey, there,  >>  >> I imported an existing C project with working Makefiles. And in the  >> project property, I ticked off "Use default build" and "Generate  >> Makefile Automatically", and I supplied the Bulding command  >> "/usr/bin/make". The project build smoothly and run without problem.  >> And in the editor windows, CTRL+click on variable names, types or  >> macros,  leads me to all right places.  >>  >> However I can not debug it. The error is No source available for  >> "main() " . I setup the Source  in the Run/Debug Dialog in all  >> possible ways I can imagine, and get the same error. There is another  >> executable generated in a deep subdirectory, and I can at least see  >> the debug window for it, click on Step Over, however, I see the  >> highlights jumps around in its source file randomly. It seems that I  >> missed something. Please help me out, thanks!  >>  >>  >> Best Regards,  >> Michael Chen