Dne 28.6.2013 15:04, Jakub Jelinek napsal(a):
On Fri, Jun 28, 2013 at 02:58:12PM +0200, Vít Ondruch wrote:
Dne 25.6.2013 15:41, Vít Ondruch napsal(a):
Is there some common practice, where to place architecture
specific header files? From output of the following command, I
can't see any such place.
gcc doesn't have such location, you'd want a different path
for gcc -m64, different for gcc -m32, different for gcc -mx32, ....
The standard way is to add a wrapper header and include your arch specific
header based on compiler predefined macros. Say something like:
# ifdef __i386__
# include <asm/posix_types_32.h>
# elif defined(__ILP32__)
# include <asm/posix_types_x32.h>
# else
# include <asm/posix_types_64.h>
# endif
or, if possible, avoid arch specific headers altogether.
Jakub
BTW it seems that Debian already does this, although in completely
different scale: http://wiki.debian.org/Multiarch/TheCaseForMultiarch
Vít
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