diff --git a/ports/szip/portfile.cmake b/ports/szip/portfile.cmake
index 1f5a9fb2f6d45e..1072e9881280df 100644
--- a/ports/szip/portfile.cmake
+++ b/ports/szip/portfile.cmake
@@ -14,11 +14,23 @@ vcpkg_extract_source_archive_ex(
         mingw-lib-names.patch
 )
 
+if (VCPKG_TARGET_IS_IOS)
+    # when cross-compiling, try_run will not work.
+    # LFS "large file support" is keyed on 
+    # 1) 64-bit off_t (https://developer.apple.com/library/archive/documentation/Darwin/Conceptual/64bitPorting/transition/transition.html table 2-1)
+    # 2) stat works properly, which is true
+    set(extra_opts 
+        -DTEST_LFS_WORKS_RUN=TRUE
+        -DTEST_LFS_WORKS_RUN__TRYRUN_OUTPUT=""
+    )
+endif()
+
 vcpkg_cmake_configure(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
         -DSZIP_INSTALL_DATA_DIR=share/szip/data
         -DSZIP_INSTALL_CMAKE_DIR=share/szip
+        ${extra_opts}
 )
 
 vcpkg_cmake_install()
diff --git a/ports/szip/vcpkg.json b/ports/szip/vcpkg.json
index a0e93f315505fd..3144709c2722a3 100644
--- a/ports/szip/vcpkg.json
+++ b/ports/szip/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "szip",
   "version": "2.1.1",
-  "port-version": 8,
+  "port-version": 9,
   "description": "Szip compression software, providing lossless compression of scientific data",
   "homepage": "https://support.hdfgroup.org/ftp/lib-external/szip",
   "license": null,
diff --git a/versions/baseline.json b/versions/baseline.json
index fa4ad6e78848a5..116ed08db507b1 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -6974,7 +6974,7 @@
     },
     "szip": {
       "baseline": "2.1.1",
-      "port-version": 8
+      "port-version": 9
     },
     "tabulate": {
       "baseline": "2019-01-06",
diff --git a/versions/s-/szip.json b/versions/s-/szip.json
index de4087f88f0509..3cd779910ccc06 100644
--- a/versions/s-/szip.json
+++ b/versions/s-/szip.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "f07c4350652c50e80bc78edb3db20a1c748d99ec",
+      "version": "2.1.1",
+      "port-version": 9
+    },
     {
       "git-tree": "0c8569ffc46401d06cff22755c0b95953ce5e828",
       "version": "2.1.1",