[protobuf] Fix constinit with clang cl (#48425)

ports/protobuf/fix-constinit-with-clang-cl.patch

@@ -0,0 +1,14 @@
+diff --git a/src/google/protobuf/port_def.inc b/src/google/protobuf/port_def.inc
+index a512b4843..31f1f5a12 100644
+--- a/src/google/protobuf/port_def.inc
++++ b/src/google/protobuf/port_def.inc
+@@ -678,6 +678,9 @@ static_assert(PROTOBUF_ABSL_MIN(20230125, 3),
+ #  define PROTOBUF_CONSTINIT
+ #  define PROTOBUF_CONSTEXPR constexpr
+ # endif
++#elif defined(_MSC_VER)  && defined(__clang__)
++#  define PROTOBUF_CONSTINIT
++#  define PROTOBUF_CONSTEXPR constexpr
+ #else
+ # if defined(__cpp_constinit) && !defined(__CYGWIN__)
+ #  define PROTOBUF_CONSTINIT constinit

ports/protobuf/portfile.cmake

@@ -11,6 +11,7 @@ vcpkg_from_github(
         fix-install-dirs.patch
         fix-mingw-tail-call.patch
         fix-abseil.patch
+        fix-constinit-with-clang-cl.patch
 )
 
 string(COMPARE EQUAL "${TARGET_TRIPLET}" "${HOST_TRIPLET}" protobuf_BUILD_PROTOC_BINARIES)

ports/protobuf/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "protobuf",
   "version": "5.29.5",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.",
   "homepage": "https://github.com/protocolbuffers/protobuf",
   "license": "BSD-3-Clause",

versions/baseline.json

@@ -7770,7 +7770,7 @@
     },
     "protobuf": {
       "baseline": "5.29.5",
-      "port-version": 2
+      "port-version": 3
     },
     "protobuf-c": {
       "baseline": "1.5.2",

versions/p-/protobuf.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "a8fdd2b1b4283409700152a6ac8639c005d1c103",
+      "version": "5.29.5",
+      "port-version": 3
+    },
     {
       "git-tree": "b71ee5bb425cd832ed1615601bd92573f07e9206",
       "version": "5.29.5",