Ian Lance Taylor-3 wrote: > > Kraiser <pietiatibia1@xxxxxxxxx> writes: > >> It's my problem actually any possible way to do that ? >> well -m32 isn't actually what i'm looking for because it compiles code >> for >> 32-bit enviorment along with pointers(32 bit) i need pointers to be >> 64-bit >> but long = 32bit just like it is on Windows LLP64. >> If the feature isn't exist maybe it would be awesome to add this in >> future >> releases of GCC :? >> seems like more people needs it: >> http://stackoverflow.com/questions/1857296/can-gcc-on-ubuntu-on-a-64-bit-machine-generate-an-executable-where-long-is-32-bit > > Compiler options of this sort are problematic because they change the > ABI. That is, code compiled with this option can not be safely linked > with code compiled without this option. Code compiled with this > option can not be safely used with dynamic librares compiled without > this option. Code compiled with this option can not safely make > system calls on a kernel compiled without this option (e.g., on > GNU/Linux, the stat structure includes fields of type unsigned long, > so the stat system call will not work as expected). > > So the only people who can safely use this option are people who are > prepared to recompile their entire system. > > It's a very simple change to make to the source code, but that doesn't > necessarily mean that it is a good idea. > > Ian > > There is an option in config of linux kernel to recompile kernel with it ? -- View this message in context: http://old.nabble.com/64-bit-machine-generate-an-executable-where-long-is-32-bits-and-pointers-are-64-bits.-tp28614453p28617680.html Sent from the gcc - Help mailing list archive at Nabble.com.
