nixpkgs/pkgs/development/libraries/qt-5/5.5/qtbase/dlopen-resolv.patch

Index: qt-everywhere-opensource-src-5.5.1/qtbase/src/network/kernel/qdnslookup_unix.cpp
===================================================================
--- qt-everywhere-opensource-src-5.5.1.orig/qtbase/src/network/kernel/qdnslookup_unix.cpp
+++ qt-everywhere-opensource-src-5.5.1/qtbase/src/network/kernel/qdnslookup_unix.cpp
@@ -79,7 +79,7 @@ static void resolveLibrary()
     if (!lib.load())
 #endif
     {
-        lib.setFileName(QLatin1String("resolv"));
+        lib.setFileName(QLatin1String("@glibc@/lib/resolv"));
         if (!lib.load())
             return;
     }
Index: qt-everywhere-opensource-src-5.5.1/qtbase/src/network/kernel/qhostinfo_unix.cpp
===================================================================
--- qt-everywhere-opensource-src-5.5.1.orig/qtbase/src/network/kernel/qhostinfo_unix.cpp
+++ qt-everywhere-opensource-src-5.5.1/qtbase/src/network/kernel/qhostinfo_unix.cpp
@@ -95,7 +95,7 @@ static void resolveLibrary()
     if (!lib.load())
 #endif
     {
-        lib.setFileName(QLatin1String("resolv"));
+        lib.setFileName(QLatin1String("@glibc@/lib/libresolv"));
         if (!lib.load())
             return;
     }