src/cf/linux-test4.m4

   1 AC_DEFUN(LINUX_FS_STRUCT_INODE_HAS_I_CDEV, [
   2 AC_MSG_CHECKING(for i_cdev in struct inode)
   3 save_CPPFLAGS="$CPPFLAGS"
   4 CPPFLAGS="-I${LINUX_KERNEL_PATH}/include -D__KERNEL__ $CPPFLAGS"
   5 AC_CACHE_VAL(ac_cv_linux_fs_struct_inode_has_i_cdev,
   6 [
   7 AC_TRY_COMPILE(
   8 [#include <linux/fs.h>],
   9 [struct inode _inode;
  10 printf("%d\n", _inode.i_cdev);],
  11 ac_cv_linux_fs_struct_inode_has_i_cdev=yes,
  12 ac_cv_linux_fs_struct_inode_has_i_cdev=no)])
  13 AC_MSG_RESULT($ac_cv_linux_fs_struct_inode_has_i_cdev)
  14 CPPFLAGS="$save_CPPFLAGS"])