SuperBuild: WIP try a qt4 build

SuperBuild/CMake/External_qt4.cmake

@@ -25,10 +25,14 @@ if(NOT __EXTERNAL_QT4__)
       set(QT4_SB_CONFIG "-I ${PNG_PNG_INCLUDE_DIR}")
     endif()
 
-    if(APPLE)
-      set(QT4_SB_CONFIG "${QT4_SB_CONFIG} -no-framework")
+    if(UNIX)
+      set(QT4_SB_CONFIG "${QT4_SB_CONFIG} -no-openssl")
+      if(APPLE)
+        set(QT4_SB_CONFIG "${QT4_SB_CONFIG} -no-framework")
+      else()
+        set(QT4_SB_CONFIG "${QT4_SB_CONFIG} -gtkstyle")
+      endif()
     endif()
-
     STRING(REGEX REPLACE "/$" "" CMAKE_WIN_INSTALL_PREFIX ${SB_INSTALL_PREFIX})
     STRING(REGEX REPLACE "/" "\\\\" CMAKE_WIN_INSTALL_PREFIX ${CMAKE_WIN_INSTALL_PREFIX})
 

SuperBuild/patches/QT4/configure_qt4.sh.in

-@QT4_SB_SRC@/configure -prefix @SB_INSTALL_PREFIX@ -opensource -confirm-license -release -shared -nomake demos -nomake examples -nomake tools -no-phonon-backend -no-phonon -no-script -no-scripttools -no-multimedia -no-webkit -qt-sql-sqlite -plugin-sql-sqlite -no-nis -no-qt3support  -system-zlib -system-libpng -system-libtiff -system-libjpeg -system-sqlite -L @SB_INSTALL_PREFIX@/lib -I @SB_INSTALL_PREFIX@/include -I @SB_INSTALL_PREFIX@/include/freetype2 @QT4_SB_CONFIG@ -no-xrender -no-fontconfig -no-sm -no-nis -silent -fast -no-javascript-jit -no-openssl -no-declarative
+@QT4_SB_SRC@/configure -prefix @SB_INSTALL_PREFIX@ -opensource -confirm-license -release -shared -nomake demos -nomake examples -nomake tools -no-phonon-backend -no-phonon -no-script -no-scripttools -no-multimedia -no-webkit -plugin-sql-sqlite -no-nis -no-qt3support -system-zlib -system-libpng -system-libtiff -system-libjpeg -system-sqlite -L @SB_INSTALL_PREFIX@/lib -I @SB_INSTALL_PREFIX@/include -I @SB_INSTALL_PREFIX@/include/freetype2 @QT4_SB_CONFIG@ -no-nis -no-javascript-jit