error

["vivek r patel" <vivek_vrp2000 rediffmail com>]

getting error some what like this what is the problem.this is occured when in am doing programming for signals

  : undefined reference to `G_CALLBACK'
> /tmp/ccXlhCtm.o(.text+0xa7): In function `main':
> : undefined reference to `G_OBJECT'
> /tmp/ccXlhCtm.o(.text+0xb0): In function `main':
> : undefined reference to `g_signal_connect'
> /tmp/ccXlhCtm.o(.text+0x13b): In function `main':
> : undefined reference to `G_CALLBACK'
> /tmp/ccXlhCtm.o(.text+0x14c): In function `main':
> : undefined reference to `G_OBJECT'
> /tmp/ccXlhCtm.o(.text+0x155): In function `main':
> : undefined reference to `g_signal_connect'
> /tmp/ccXlhCtm.o(.text+0x1ba): In function `main':
> : undefined reference to `G_CALLBACK'
> /tmp/ccXlhCtm.o(.text+0x1cb): In function `main':
> : undefined reference to `G_OBJECT'
> /tmp/ccXlhCtm.o(.text+0x1d4): In function `main':
> : undefined reference to `g_signal_connect'