Understanding common suffix
- .c source code file
- .s assembly source code files
- .h header file
- .I file after preprocessing
- .o object files
gcc option
- -o filename executable file
- -c generate an object file
- -S generated assembly file
- -g generate an executable file containing debugging information
- The pre-generated files -E
- -Wall output all warning
- -w Inhibit all warning
- -Dmacro Assign Macro
- -I dir Add search directory of header files default / usr / include
- -L dir Add search catalog file default / usr / lib
- -static static library link
Proof of an executable file
Pretreatment
gcc -E talkback.c -o talkback.i
ls
more talkback.i
compilation
gcc -S talkback.i -o talkback.s
ls
more talkback.s
Object code files
gcc -c talkback.s -o talkback.o
ls
more talkback.o
Executable file
gcc -o talk talkback.o
ls
./talk
