putting breakpoint in a file using “rbreak filename.c:.” doesn't work

Question

I want to put breakpoint on all functions of a file. I came across this link : http://sourceware.org/gdb/download/onlinedocs/gdb/Set-Breaks.html#Set-Breaks

It sugges

Answer 1

rbreak filename.cpp:.* works fine for me.

Note that in order to put breakpoint in a file you need to compile the program with debug info, e.g

g++ -g filename.cpp