Disable memory cap on macOS (32-bit, PR#18713).

git-svn-id: https://svn.r-project.org/R/trunk@86526 00db46b3-68df-0310-9c12-caf00c1e9a41
wch · May 6, 2024 · 54dfe76 · 54dfe76
1 parent 9a7318e
commit 54dfe76
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/main/startup.c b/src/main/startup.c
@@ -238,7 +238,8 @@ void R_SizeFromEnv(Rstart Rp)
 	else
 	    Rp->max_vsize = value;
     }
-#if defined(__APPLE__) && defined(_SC_PHYS_PAGES) && defined(_SC_PAGE_SIZE)
+#if defined(__APPLE__) && defined(_SC_PHYS_PAGES) && defined(_SC_PAGE_SIZE) \
+    && (SIZEOF_SIZE_T > 4)
     /* For now only on macOS place a default limit on the vector heap
        size to avoid having R killed due to memory overcommit.
        Setting the limit at the maximum of 16Gb and available physical