-fpic
or -fPIC
flag, gcc creates an object file with position independent code. This is usually necessary when creating a shared object. -fpic
and -fPIC
are equivalent. On other architectures, there is a difference. -fpic
, the compiler defines the macro __pic__
and __PIC__
to 1
. When copmiling with -fPIC
, these macros are defined to 2
.