diff --git a/..Rcheck/00check.log b/..Rcheck/00check.log
new file mode 100644
index 0000000000..2d743cd4d3
--- /dev/null
+++ b/..Rcheck/00check.log
@@ -0,0 +1,13 @@
+* using log directory ‘/Users/tanishaojha/Desktop/Code-folder/data.table/..Rcheck’
+* using R version 4.5.1 (2025-06-13)
+* using platform: aarch64-apple-darwin20
+* R was compiled by
+    Apple clang version 16.0.0 (clang-1600.0.26.6)
+    GNU Fortran (GCC) 14.2.0
+* running under: macOS Sequoia 15.5
+* using session charset: UTF-8
+* checking for file ‘./DESCRIPTION’ ... ERROR
+Required fields missing or empty:
+  ‘Author’ ‘Maintainer’
+* DONE
+Status: 1 ERROR
diff --git a/Makevars b/Makevars
new file mode 100644
index 0000000000..dd8d74e972
--- /dev/null
+++ b/Makevars
@@ -0,0 +1,3 @@
+CPPFLAGS += -I/opt/homebrew/opt/gettext/include
+LDFLAGS  += -L/opt/homebrew/opt/gettext/lib
+
diff --git a/R/groupingsets.R b/R/groupingsets.R
index f5fc2101f1..da0e8fe3d0 100644
--- a/R/groupingsets.R
+++ b/R/groupingsets.R
@@ -29,6 +29,49 @@ cube.data.table = function(x, j, by, .SDcols, id = FALSE, label = NULL, ...) {
     stopf("Argument 'id' must be a logical scalar.")
   if (missing(j))
     stopf("Argument 'j' is required")
+  # Implementing NSE in cube
+  jj = substitute(j)
+  bysub = substitute(by)
+  names_x = names(x)
+  allbyvars = intersect(all.vars(bysub), names_x)
+  usesSD = any(all.vars(jj) == ".SD")
+  if (usesSD) {
+    if (missing(.SDcols)) {
+      ansvars = sdvars = setdiff(unique(names_x), union(by, allbyvars))
+      ansvals = match(ansvars, names_x)
+    } else {
+      sub.result = substitute(.SDcols)
+      if (is.call(sub.result)) {
+        call_name = as.character(sub.result[[1L]])
+        if (call_name %in% c("patterns", "is.numeric", "is.character", "is.factor")) {
+          .SDcols = eval_with_cols(sub.result, names_x)
+        } else {
+          .SDcols = eval(sub.result, parent.frame())
+        }
+      } else {
+        .SDcols = eval(sub.result, parent.frame())
+      }
+      if (is.character(.SDcols)) {
+        idx = .SDcols %chin% names_x
+        if (!all(idx))
+          stopf("Some items of .SDcols are not column names: %s", toString(.SDcols[!idx]))
+        ansvars = sdvars = .SDcols
+        ansvals = match(ansvars, names_x)
+      } else if (is.numeric(.SDcols)) {
+        ansvals = as.integer(.SDcols)
+        ansvars = sdvars = names_x[ansvals]
+      } else if (is.logical(.SDcols)) {
+        if (length(.SDcols) != length(names_x))
+          stopf(".SDcols is a logical vector of length %d but there are %d columns", length(.SDcols), length(names_x))
+        ansvals = which(.SDcols)
+        ansvars = sdvars = names_x[ansvals]
+      } else {
+        stopf(".SDcols must be character, numeric, or logical")
+      }
+    }
+  } else {
+    .SDcols = NULL
+  }
   # generate grouping sets for cube - power set: http://stackoverflow.com/a/32187892/2490497
   n = length(by)
   keepBool = sapply(2L^(seq_len(n)-1L), function(k) rep(c(FALSE, TRUE), times=k, each=((2L^n)/(2L*k))))