diff '--color=auto' -ur qtbase-everywhere-src-5.15.19.orig/src/network/configure.json qtbase-everywhere-src-5.15.19/src/network/configure.json
--- qtbase-everywhere-src-5.15.19.orig/src/network/configure.json	2025-11-20 13:50:34.000000000 +0100
+++ qtbase-everywhere-src-5.15.19/src/network/configure.json	2026-06-13 01:03:52.108870821 +0200
@@ -53,7 +53,7 @@
             },
             "headers": "proxy.h",
             "sources": [
-                "-lproxy"
+                { "type": "pkgConfig", "args": "libproxy-1.0" }
             ]
         },
         "openssl_headers": {