nixpkgs/pkgs/development/libraries/qt-5/5.6/qtbase/dlopen-resolv.patch

Index: qtbase-opensource-src-5.6.1/src/network/kernel/qdnslookup_unix.cpp
===================================================================
--- qtbase-opensource-src-5.6.1.orig/src/network/kernel/qdnslookup_unix.cpp
+++ qtbase-opensource-src-5.6.1/src/network/kernel/qdnslookup_unix.cpp
@@ -78,7 +78,7 @@ static bool resolveLibraryInternal()
     if (!lib.load())
 #endif
     {
-        lib.setFileName(QLatin1String("resolv"));
+        lib.setFileName(QLatin1String("@glibc@/lib/resolv"));
         if (!lib.load())
             return false;
     }
Index: qtbase-opensource-src-5.6.1/src/network/kernel/qhostinfo_unix.cpp
===================================================================
--- qtbase-opensource-src-5.6.1.orig/src/network/kernel/qhostinfo_unix.cpp
+++ qtbase-opensource-src-5.6.1/src/network/kernel/qhostinfo_unix.cpp
@@ -94,7 +94,7 @@ static bool resolveLibraryInternal()
     if (!lib.load())
 #endif
     {
-        lib.setFileName(QLatin1String("resolv"));
+        lib.setFileName(QLatin1String("@glibc@/lib/libresolv"));
         if (!lib.load())
             return false;
     }