* Add support for FreeBSD

--- src/buildtools/configure.json.orig	2024-03-27 11:26:34 UTC
+++ src/buildtools/configure.json
@@ -148,7 +148,8 @@
                     "int id = 0;",
                     "fre2.Add(s, {}, &id);",
                     "const RE2 &re2 = fre2.GetRE2(id);"
-                ]
+                ],
+                "qmake" : "CONFIG += c++1z"
             },
             "headers": "re2/filtered_re2.h",
             "sources": [
@@ -386,7 +387,7 @@
     "features": {
         "webengine-core-support": {
             "label": "Support Qt WebEngine Core",
-            "condition": "(config.linux || config.win32 || config.macos)
+            "condition": "(config.unix || config.win32 || config.macos)
                          && !config.static
                          && module.gui
                          && features.webengine-submodule
@@ -399,21 +400,21 @@
                          && features.webengine-python
                          && features.webengine-nodejs
                          && (!config.sanitizer || features.webengine-sanitizer)
-                         && (!config.linux || features.pkg-config)
-                         && (!config.linux || features.webengine-host-pkg-config)
+                         && (!config.unix || features.pkg-config)
+                         && (!config.unix || features.webengine-host-pkg-config)
                          && (!config.linux || features.webengine-system-glibc)
-                         && (!config.linux || features.webengine-system-khr)
-                         && (!config.linux || features.webengine-system-nss)
-                         && (!config.linux || features.webengine-system-dbus)
-                         && (!config.linux || features.webengine-system-fontconfig)
-                         && (!config.linux || !features.pkg-config || !features.xcb || features.webengine-ozone-x11)
+                         && (!config.unix || features.webengine-system-khr)
+                         && (!config.unix || features.webengine-system-nss)
+                         && (!config.unix || features.webengine-system-dbus)
+                         && (!config.unix || features.webengine-system-fontconfig)
+                         && (!config.unix || !features.pkg-config || !features.xcb || features.webengine-ozone-x11)
                          && (!config.win32 || features.webengine-win-compiler64)
                          && (!config.win32 || features.webengine-winversion)",
             "output": [ "privateFeature" ]
         },
         "webengine-qtpdf-support": {
             "label": "Support Qt Pdf",
-            "condition": "(config.linux || config.win32 || config.macos || config.ios)
+            "condition": "(config.unix || config.win32 || config.macos || config.ios)
                          && module.gui
                          && features.webengine-submodule
                          && features.webengine-nowhitespace
@@ -424,8 +425,8 @@
                          && features.webengine-flex
                          && features.webengine-python
                          && (!config.sanitizer || features.webengine-sanitizer)
-                         && (!config.linux || features.pkg-config)
-                         && (!config.linux || features.webengine-host-pkg-config)
+                         && (!config.unix || features.pkg-config)
+                         && (!config.unix || features.webengine-host-pkg-config)
                          && (!config.win32 || features.webengine-winversion)",
             "output": [ "privateFeature" ]
         },