linux - don't understand the difference between "gcc -c file.c" and "gcc -o file.c" command

Question

Command :

`gcc -c -Wall hello.c`

Here is the error : while calling ./hello.o

bash: ./hello.o: cannot execute binary file: Exec format error

need help please ..

标签： linuxgcccompilationexecution

Answer 1

.o 是目标文件，而不是可执行文件。这是一个中间步骤。-c 选项只是说要迈出这一步。您仍然必须将该目标文件链接到可执行文件中。