Add C++ standard c++latest for MSVC, and C standard C17.

Author: punytroll

ci_config.json

@@ -1311,30 +1311,40 @@
       "pkgconf:tests=disabled"
     ]
   },
-	"poppler": {
+  "poppler": {
     "_comment": [
-			"- fontconfig warns on v1 wraps; fixed in next release"
-		],
-		"alpine_packages": [
-			"cairo-dev",
-			"glib-dev",
-			"nss-dev",
-			"qt5-qtbase-dev",
-			"qt6-qtbase-dev"
-		],
-		"debian_packages": [
-			"libcairo2-dev",
-			"libglib2.0-dev",
-			"libgpgmepp-dev",
-			"libnss3-dev",
-			"qtbase5-dev",
-			"qt6-base-dev"
-		],
-		"build_options": [
-			"poppler:gobject_introspection=disabled"
-		],
+      "- fontconfig warns on v1 wraps; fixed in next release",
+      "- alpine stable doesn't know gpgmepp-dev, yet"
+    ],
+    "alpine_packages": [
+      "cairo-dev",
+      "glib-dev",
+      "nss-dev",
+      "qt5-qtbase-dev",
+      "qt6-qtbase-dev"
+    ],
+    "debian_packages": [
+      "libcairo2-dev",
+      "libglib2.0-dev",
+      "libgpgmepp-dev",
+      "libnss3-dev",
+      "qtbase5-dev",
+      "qt6-base-dev"
+    ],
+    "brew_packages": [
+      "qt@5",
+      "qt@6"
+    ],
+    "msys_packages": [
+      "glib2-devel",
+      "qt5-base",
+      "qt6-base"
+    ],
+    "build_options": [
+      "poppler:gobject_introspection=disabled"
+    ],
     "fatal_warnings": false
-	},
+  },
   "protobuf": {
     "_comment": "Getting patched version elsewhere until abseil-cpp/issues/1510 is fixed, because cannot patch wrapdb version",
     "msys_packages": [

subprojects/packagefiles/poppler/meson.build

@@ -17,7 +17,8 @@ project(
   license: 'GPL-2.0',
   meson_version: '>=1.3.0',
   default_options: {
-    'cpp_std': 'c++23',
+    'cpp_std': ['c++23', 'c++latest'],
+    'c_std': 'c17',
   },
 )