C - dynamic linked vs. static linked
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Hello World Code in C
#include <stdio.h> int main(void) { puts("Hallo Welt!"); }
Dynamisches Kompilieren
- gcc hello.c -o hello.dynamic
- ./hello.dynamic
Hallo Welt!
- ldd hello.dynamic
linux-vdso.so.1 (0x00007ffdebfc2000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fc8da2a8000) /lib64/ld-linux-x86-64.so.2 (0x00007fc8da489000)
- ls -lh hello.dynamic
-rwxr-xr-x 1 root root 17K 18. Sep 18:37 hello.dynamic
Statisches Kompilieren und linken
- gcc -Os -static hello.c -o hello.static
- ./hello.static
Hallo Welt!
- ldd hello.static
not a dynamic executable
- ls -lh hello.static
-rwxr-xr-x 1 root root 795K 18. Sep 18:38 hello.static