+ # AIX >= 5.2 has statvfs64 that has a wider f_blocks field than statvfs.
+ # glibc, HP-UX, IRIX, Solaris have statvfs64 as well, but on these systems
+ # statvfs with large-file support is already equivalent to statvfs64.
+ AC_CACHE_CHECK([whether to use statvfs64],
+ [fu_cv_sys_stat_statvfs64],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>
+ #include <sys/statvfs.h>
+ struct statvfs64 fsd;
+ int check_f_blocks_larger_in_statvfs64
+ [sizeof (((struct statvfs64 *) 0)->f_blocks)
+ > sizeof (((struct statvfs *) 0)->f_blocks)
+ ? 1 : -1];
+ ]],
+ [[statvfs64 (0, &fsd);]])],
+ [fu_cv_sys_stat_statvfs64=yes],
+ [fu_cv_sys_stat_statvfs64=no])
+ ])
+ if test $fu_cv_sys_stat_statvfs64 = yes; then
+ AC_DEFINE([STAT_STATVFS64], [1],
+ [ Define if statvfs64 should be preferred over statvfs.])
+ else
+ AC_DEFINE([STAT_STATVFS], [1],
+ [ Define if there is a function named statvfs. (SVR4)])
+ fi