config/kernel-fpu.m4

   1 dnl #
   2 dnl # 4.2 API change
   3 dnl # asm/i387.h is replaced by asm/fpu/api.h
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_FPU], [
   6         AC_MSG_CHECKING([whether asm/fpu/api.h exists])
   7         ZFS_LINUX_TRY_COMPILE([
   8                 #include <linux/kernel.h>
   9                 #include <asm/fpu/api.h>
  10         ],[
  11                 __kernel_fpu_begin();
  12         ],[
  13                 AC_MSG_RESULT(yes)
  14                 AC_DEFINE(HAVE_FPU_API_H, 1, [kernel has <asm/fpu/api.h> interface])
  15         ],[
  16                 AC_MSG_RESULT(no)
  17         ])
  18 ])