AC_SUBST(have_fiemap)
])
+AC_DEFUN([AC_PACKAGE_WANT_FALLOCATE],
+ [ AC_MSG_CHECKING([for fallocate])
+ AC_TRY_COMPILE([
+#include <linux/falloc.h>
+ ], [
+ fallocate(0, 0, 0, 0);
+ ], have_fallocate=true
+ AC_MSG_RESULT(true),
+ AC_MSG_RESULT(false))
+ AC_SUBST(have_fallocate)
+ ])
AC_DEFUN([AC_PACKAGE_WANT_FALLOCATE],
[ AC_MSG_CHECKING([for fallocate])
AC_TRY_LINK([