diff --git a/ports/gmp/portfile.cmake b/ports/gmp/portfile.cmake
index 1fa65b47e21bf4..86bc66489625a7 100644
--- a/ports/gmp/portfile.cmake
+++ b/ports/gmp/portfile.cmake
@@ -55,8 +55,8 @@ if(VCPKG_DETECTED_CMAKE_C_COMPILER_ID STREQUAL "MSVC")
         set(disable_assembly ON)
     endif()
     if(NOT disable_assembly)
-        vcpkg_find_acquire_program(CLANG)
-        set(ccas "${CLANG}")
+        vcpkg_find_acquire_program(VSCLANG)
+        set(ccas "${VSCLANG}")
     endif()
 elseif(VCPKG_TARGET_IS_MINGW AND VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
     # not exporting asm functions
diff --git a/ports/gmp/vcpkg.json b/ports/gmp/vcpkg.json
index 45d242617f5e7b..75885657b60cfd 100644
--- a/ports/gmp/vcpkg.json
+++ b/ports/gmp/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "gmp",
   "version": "6.2.1",
-  "port-version": 21,
+  "port-version": 22,
   "description": "The GNU Multiple Precision Arithmetic Library",
   "homepage": "https://gmplib.org",
   "license": "LGPL-3.0-only OR GPL-2.0-only",
diff --git a/ports/nettle/portfile.cmake b/ports/nettle/portfile.cmake
index a0b36b05a78e4b..1526dd9a051176 100644
--- a/ports/nettle/portfile.cmake
+++ b/ports/nettle/portfile.cmake
@@ -49,8 +49,8 @@ if(VCPKG_DETECTED_CMAKE_C_COMPILER_ID STREQUAL "MSVC")
         set(disable_assembly ON)
     endif()
     if(NOT disable_assembly)
-        vcpkg_find_acquire_program(CLANG)
-        set(ccas "${CLANG}")
+        vcpkg_find_acquire_program(VSCLANG)
+        set(ccas "${VSCLANG}")
     endif()
 else()
     set(ccas "${VCPKG_DETECTED_CMAKE_C_COMPILER}")
diff --git a/ports/nettle/vcpkg.json b/ports/nettle/vcpkg.json
index d7c2e93089d59c..743e79decf116a 100644
--- a/ports/nettle/vcpkg.json
+++ b/ports/nettle/vcpkg.json
@@ -1,7 +1,7 @@
 {
   "name": "nettle",
   "version": "3.8.1",
-  "port-version": 1,
+  "port-version": 2,
   "description": "Nettle is a low-level cryptographic library that is designed to fit easily in more or less any context: In crypto toolkits for object-oriented languages (C++, Python, Pike, ...), in applications like LSH or GNUPG, or even in kernel space.",
   "homepage": "https://git.lysator.liu.se/nettle/nettle",
   "license": null,
diff --git a/scripts/cmake/vcpkg_find_acquire_program(VSCLANG).cmake b/scripts/cmake/vcpkg_find_acquire_program(VSCLANG).cmake
new file mode 100644
index 00000000000000..8622c5af3a06d9
--- /dev/null
+++ b/scripts/cmake/vcpkg_find_acquire_program(VSCLANG).cmake
@@ -0,0 +1,19 @@
+if(NOT CMAKE_HOST_WIN32)
+    message(FATAL_ERROR "Visual Studio is only supported on Windows hosts.")
+endif()
+
+set(program_name "clang")
+set(paths_to_search
+    # LLVM in Visual Studio
+    "$ENV{VCINSTALLDIR}/Tools/Llvm/x64/bin"
+    "$ENV{VCINSTALLDIR}/Tools/Llvm/bin"
+)
+find_program(VSCLANG
+    NAMES clang
+    PATHS ${paths_to_search}
+    NO_DEFAULT_PATH
+)
+if(NOT VSCLANG)
+    list(JOIN paths_to_search "\n   " paths)
+    message(FATAL_ERROR "Failed to find Visual Studio's clang in:\n   ${paths}\nOpen the Visual Studio Installer and choose \"C++ Clang tools for Windows\" under \"Desktop development with C++\" optional components.")
+endif()
diff --git a/scripts/test_ports/vcpkg-find-acquire-program/portfile.cmake b/scripts/test_ports/vcpkg-find-acquire-program/portfile.cmake
index f6ce20fefa8b76..29328f83c1420f 100644
--- a/scripts/test_ports/vcpkg-find-acquire-program/portfile.cmake
+++ b/scripts/test_ports/vcpkg-find-acquire-program/portfile.cmake
@@ -2,8 +2,14 @@ set(VCPKG_POLICY_EMPTY_PACKAGE enabled)
 
 # For each vcpkg_find_acquire_program(NAME).cmake script,
 # there must be a literal call to vcpkg_find_acquire_program(NAME).cmake
+# Using a wrapper to collect the names of the variables to be checked.
+set(variables "")
+macro(vcpkg_find_acquire_program program)
+    list(APPEND variables "${program}")
+    message(STATUS "Checking ${program}...")
+    _vcpkg_find_acquire_program(${ARGV})
+endmacro()
 
-set(variables BAZEL BISON FLEX GIT GN NINJA PERL PKGCONFIG PYTHON3 YASM)
 vcpkg_find_acquire_program(BAZEL)
 vcpkg_find_acquire_program(BISON)
 vcpkg_find_acquire_program(FLEX)
@@ -17,17 +23,14 @@ vcpkg_find_acquire_program(YASM)
 
 if(NOT VCPKG_TARGET_IS_OSX)
     # System python too old (3.9; meson needs 3.10)
-    list(APPEND variables MESON)
     vcpkg_find_acquire_program(MESON)
 endif()
 
 if(VCPKG_HOST_IS_LINUX)
-    list(APPEND variables PATCHELF)
     vcpkg_find_acquire_program(PATCHELF)
 endif()
 
 if(VCPKG_HOST_IS_WINDOWS)
-    list(APPEND variables 7Z ARIA2 CLANG DARK DOXYGEN GASPREPROCESSOR GO GPERF JOM NASM NUGET PYTHON2 RUBY SCONS SWIG)
     vcpkg_find_acquire_program(7Z)
     vcpkg_find_acquire_program(ARIA2)
     vcpkg_find_acquire_program(CLANG)
@@ -43,6 +46,7 @@ if(VCPKG_HOST_IS_WINDOWS)
     vcpkg_find_acquire_program(RUBY)
     vcpkg_find_acquire_program(SCONS)
     vcpkg_find_acquire_program(SWIG)
+    vcpkg_find_acquire_program(VSCLANG)
 endif()
 
 set(missing "")
diff --git a/versions/baseline.json b/versions/baseline.json
index 3e624a3d18d932..0708e877a90d40 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3030,7 +3030,7 @@
     },
     "gmp": {
       "baseline": "6.2.1",
-      "port-version": 21
+      "port-version": 22
     },
     "gmsh": {
       "baseline": "4.11.1",
@@ -5910,7 +5910,7 @@
     },
     "nettle": {
       "baseline": "3.8.1",
-      "port-version": 1
+      "port-version": 2
     },
     "networkdirect-sdk": {
       "baseline": "2.0.1",
diff --git a/versions/g-/gmp.json b/versions/g-/gmp.json
index 80efb83c9396ec..724a12e637384e 100644
--- a/versions/g-/gmp.json
+++ b/versions/g-/gmp.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "6d8b63a28eb86fdb8e2af0201ead9146c6656bdb",
+      "version": "6.2.1",
+      "port-version": 22
+    },
     {
       "git-tree": "726604ff590362102d805e16508ae20730583101",
       "version": "6.2.1",
diff --git a/versions/n-/nettle.json b/versions/n-/nettle.json
index ce348da9711767..9b14775030b9a5 100644
--- a/versions/n-/nettle.json
+++ b/versions/n-/nettle.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "d1f719255302bc915594ec977a28f57758b742f4",
+      "version": "3.8.1",
+      "port-version": 2
+    },
     {
       "git-tree": "7734b67cb656bf12488ea137779b56d8865bbb02",
       "version": "3.8.1",