fix-qmake-libtool.sh

pkgs/development/libraries/qt-5/5.12/default.nix

@@ -160,9 +160,7 @@ let
       qmake = makeSetupHook {
         deps = [ self.qtbase.dev ];
         substitutions = {
-          inherit (stdenv) isDarwin;
-          qtbase_dev = self.qtbase.dev;
-          fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+          fix_qmake_libtool = ../hooks/fix-qmake-libtool.sh;
         };
       } ../hooks/qmake-hook.sh;
 

pkgs/development/libraries/qt-5/5.9/default.nix

@@ -154,9 +154,7 @@ let
       qmake = makeSetupHook {
         deps = [ self.qtbase.dev ];
         substitutions = {
-          inherit (stdenv) isDarwin;
-          qtbase_dev = self.qtbase.dev;
-          fix_qt_builtin_paths = ../hooks/fix-qt-builtin-paths.sh;
+          fix_qmake_libtool = ../hooks/fix-qmake-libtool.sh;
         };
       } ../hooks/qmake-hook.sh;
 

pkgs/development/libraries/qt-5/hooks/fix-qmake-libtool.sh

@@ -0,0 +1,14 @@
+# Fix libtool libraries generated by qmake.
+# qmake started inserting filenames of shared objects instead of the appropriate
+# linker flags. fixQmakeLibtool searches for broken libtool libraries and
+# replaces the filenames with the linker flags that should have been there.
+fixQmakeLibtool() {
+    if [ -d "$1" ]; then
+        find "$1" -name '*.la' | while read la; do
+            sed -i "$la" \
+                -e '/^dependency_libs/ s,\(/[^ ]\+\)/lib\([^/ ]\+\)\.so,-L\1 -l\2,g'
+        done
+    fi
+}
+
+fixupOutputHooks+=('fixQmakeLibtool $prefix')

pkgs/development/libraries/qt-5/hooks/qmake-hook.sh

@@ -1,3 +1,5 @@
+. @fix_qmake_libtool@
+
 qmakeFlags=( $qmakeFlags )
 
 qmakePrePhase() {

pkgs/development/libraries/qt-5/modules/qtbase.nix

@@ -100,6 +100,7 @@ stdenv.mkDerivation {
     . "$fix_qt_builtin_paths"
     . "$fix_qt_module_paths"
     . ${../hooks/move-qt-dev-tools.sh}
+    . ${../hooks/fix-qmake-libtool.sh}
   '';
 
   postPatch =