linux/include/asm-generic/Kbuild.asm
Arnd Bergmann c31ae4bb4a asm-generic: introduce asm/bitsperlong.h
This provides a reliable way for asm-generic/types.h and other
files to find out if it is running on a 32 or 64 bit platform.

We cannot use CONFIG_64BIT for this in headers that are included
from user space because CONFIG symbols are not available there.
We also cannot do it inside of asm/types.h because some headers
need the word size but cannot include types.h.

The solution is to introduce a new header <asm/bitsperlong.h>
that defines both __BITS_PER_LONG for user space and
BITS_PER_LONG for usage in the kernel. The asm-generic
version falls back to 32 bit unless the architecture overrides
it, which I did for all 64 bit platforms.

Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2009-06-11 21:02:14 +02:00

39 lines
963 B
NASM

ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/kvm.h \
$(srctree)/include/asm-$(SRCARCH)/kvm.h),)
header-y += kvm.h
endif
ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/a.out.h \
$(srctree)/include/asm-$(SRCARCH)/a.out.h),)
unifdef-y += a.out.h
endif
unifdef-y += auxvec.h
unifdef-y += byteorder.h
unifdef-y += bitsperlong.h
unifdef-y += errno.h
unifdef-y += fcntl.h
unifdef-y += ioctl.h
unifdef-y += ioctls.h
unifdef-y += ipcbuf.h
unifdef-y += mman.h
unifdef-y += msgbuf.h
unifdef-y += param.h
unifdef-y += poll.h
unifdef-y += posix_types.h
unifdef-y += ptrace.h
unifdef-y += resource.h
unifdef-y += sembuf.h
unifdef-y += setup.h
unifdef-y += shmbuf.h
unifdef-y += sigcontext.h
unifdef-y += siginfo.h
unifdef-y += signal.h
unifdef-y += socket.h
unifdef-y += sockios.h
unifdef-y += stat.h
unifdef-y += statfs.h
unifdef-y += swab.h
unifdef-y += termbits.h
unifdef-y += termios.h
unifdef-y += types.h
unifdef-y += unistd.h