On Sun, Nov 13, 2011 at 07:25:48PM +0100, Vincent Torri wrote:
> Albin Tonerre (Lutin) told me that there is (maybe, i don't know much
> about that) an ABI break, with a move a function from a source code to an
> inline function. I can't remember the function, but Albin can retrieve it,
> I think.
It is an ABI break if you don't also force an explicit copy. Speaking
from a C99 background, there two ways to create inline functions:
static inline int foo(void) { ... }
inline int foo(void) { ... }
The former will ensure that code is always using the code from the
header file, even if it is creating a local non-inlined copy.
The second form provides an inline hint -- the compiler may or may not
decide to use it. If the code later provides an explicit non-inline
prototype, the compiler will provide the body. This means that the
library can have
int foo(void);
in one C file and it will provide an out-of-line copy.
Note that the traditional GNU inline semantic is slightly different.
Joerg
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