gcc -ggdb 和 gcc -g 有什么区别 [英] What is the difference between gcc -ggdb and gcc -g
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问题描述
When I use gcc to compile C programs
I usually use -g to get some debug information into the elf file
so that gdb can help me if needed.
However, I noticed that some programs use -ggdb, since it's supposed to make the
debug info more gdb friendly.
How do they differ and which is recommended to use?
Note: A link to the options for Debugging Your Program or GCC, http://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html#Debugging-Options
解决方案
It is possible that there is no difference - depends on the OS native format and how portable you want the debugging info to be. See GCC manual Debugging Options.
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