C automake project, debugging error, help!

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I am using gdb for debugging c project source code.
I compile as shown:

./configure --enable-debug CFLAGS="-g -o0" <br />
    make --debug=a

I want to debugging stop at specific file. so
when I set break point by using

(gdb) break main.c:672

it says :

No source file named main.c.
even when I pass specific function name (in main.c file) to break . it says: such function not defined.

my current directory has this main.c file. I am using Cygwin on widnows. when I set break point by using

(gdb) break main
it set break point at a main function of Cygwin file, not in my source code.

1.how can I fix my first problem?

2.just curious, how to avoid second problem, if there is same function name within Cygwin files and my source code?

Since I am new at linux c programming, I am having many troubles.
Please help, Many thanks in advance

Posted 2-Oct-13 21:13pm

Alimjan Yasin

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Richard MacCutchan 3-Oct-13 4:01am

It is not possible to give an answer as there is so much information missing from your question. I would strongly suggest you get the documentation for gdb and work through it carefully.

The_Inventor 3-Oct-13 4:11am

When writing in C, the implementation is in the *.c file, while the declarations often are in the *.h file, especially functions. You can create structures, initialize them, and then use them. Often in the IDE where you write, compile, and link together into an executable file, *.exe.

Name your program something other than 'main'. If you are in debug mode and are running 'main.exe' you may set break points that are not hard coded, so:

(gdb) break line 672; might work. I don't like break points. They are distracting.

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