diff --git a/3rdparty/QtPropertyBrowser/src/CMakeLists.txt b/3rdparty/QtPropertyBrowser/src/CMakeLists.txt
index abee16a1..a312a10d 100644
--- a/3rdparty/QtPropertyBrowser/src/CMakeLists.txt
+++ b/3rdparty/QtPropertyBrowser/src/CMakeLists.txt
@@ -32,7 +32,6 @@ add_library(${TARGET_NAME} STATIC
   ${_SRCS}
   ${_UI_SRCS}
   ${_QRC_SRCS}
-  ${_IMPL_HDRS}
   )
 
 target_link_libraries(${TARGET_NAME} Qt5::Widgets)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f2cce58..be2edb62 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,10 @@ find_package(PythonLibs 3.5 REQUIRED)
 
 find_package(Boost REQUIRED COMPONENTS ${boost_libs})
 
+# Find the Qt5 libraries
+find_package(Qt5 COMPONENTS Core Widgets OpenGL REQUIRED)
+find_package(OpenGL REQUIRED)
+
 # Get the latest abbreviated commit hash of the working branch
 execute_process(
   COMMAND git log -1 --format=%h
@@ -74,7 +78,6 @@ endif ()
 if (NOT Boost_PYTHON_FOUND )
     message( FATAL_ERROR "No version of Boost::Python 3.x could be found.")
 endif ()
-include(gui/gui.cmake)
 
 include_directories(common/ gui/ frontend/json ${Boost_INCLUDE_DIRS} ${PYTHON_INCLUDE_DIRS} 3rdparty/QtPropertyBrowser/src)
 aux_source_directory(common/ COMMON_SRC_FILES)
@@ -90,8 +93,11 @@ foreach (family ${FAMILIES})
     string(TOUPPER ${family} ufamily)
     aux_source_directory(${family}/ ${ufamily}_FILES)
     aux_source_directory(tests/${family}/ ${ufamily}_TEST_FILES)
+
+    add_subdirectory(gui generated/gui/${family})
+
     # Add the CLI binary target
-    add_executable(nextpnr-${family} ${COMMON_FILES} ${${ufamily}_FILES} ${GUI_SOURCE_FILES})
+    add_executable(nextpnr-${family} ${COMMON_FILES} ${${ufamily}_FILES} )
     install(TARGETS nextpnr-${family} RUNTIME DESTINATION bin)
     target_compile_definitions(nextpnr-${family} PRIVATE MAIN_EXECUTABLE)
 
@@ -109,9 +115,9 @@ foreach (family ${FAMILIES})
     include(${family}/family.cmake)
     foreach (target ${family_targets})
         # Include family-specific source files to all family targets and set defines appropriately
-        target_include_directories(${target} PRIVATE ${family}/)
+        target_include_directories(${target} PRIVATE ${family}/ generated/)
         target_compile_definitions(${target} PRIVATE NEXTPNR_NAMESPACE=nextpnr_${family} ARCH_${ufamily} ARCHNAME=${family} QT_NO_KEYWORDS)
-        target_link_libraries(${target} LINK_PUBLIC ${Boost_LIBRARIES} ${PYTHON_LIBRARIES} ${GUI_LIBRARY_FILES})
+        target_link_libraries(${target} LINK_PUBLIC gui_${family} ${Boost_LIBRARIES} ${PYTHON_LIBRARIES} ${GUI_LIBRARY_FILES_${ufamily}})
     endforeach (target)
 endforeach (family)
 
diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
new file mode 100644
index 00000000..5db86a9b
--- /dev/null
+++ b/gui/CMakeLists.txt
@@ -0,0 +1,15 @@
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+aux_source_directory(. GUI_SOURCE_FILES)
+set(_RESOURCES nextpnr.qrc)
+  
+qt5_add_resources(GUI_RESOURCE_FILES ${_RESOURCES})
+
+set(GUI_LIBRARY_FILES_${ufamily} Qt5::Widgets Qt5::OpenGL ${OPENGL_LIBRARIES} QtPropertyBrowser PARENT_SCOPE)
+
+add_library(gui_${family} STATIC ${GUI_SOURCE_FILES} ${GUI_RESOURCE_FILES})
+
+target_include_directories(gui_${family} PRIVATE ../${family}/)
+target_compile_definitions(gui_${family} PRIVATE NEXTPNR_NAMESPACE=nextpnr_${family} ARCH_${ufamily} ARCHNAME=${family} QT_NO_KEYWORDS)
+target_link_libraries(gui_${family} Qt5::Widgets)
diff --git a/gui/Qt5Customizations.cmake b/gui/Qt5Customizations.cmake
deleted file mode 100644
index 39d3a644..00000000
--- a/gui/Qt5Customizations.cmake
+++ /dev/null
@@ -1,60 +0,0 @@
-include(CMakeParseArguments)
-
-# qt5_wrap_ui_custom(outfiles inputfile ... )
-
-function(QT5_WRAP_UI_CUSTOM outfiles )
-    set(options)
-    set(oneValueArgs)
-    set(multiValueArgs OPTIONS)
-
-    cmake_parse_arguments(_WRAP_UI "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-
-    set(ui_files ${_WRAP_UI_UNPARSED_ARGUMENTS})
-    set(ui_options ${_WRAP_UI_OPTIONS})
-
-    foreach(it ${ui_files})
-        get_filename_component(outfile ${it} NAME_WE)
-        get_filename_component(infile ${it} ABSOLUTE)
-        set(outfile ${CMAKE_CURRENT_BINARY_DIR}/generated/ui_${outfile}.h)
-        add_custom_command(OUTPUT ${outfile}
-          COMMAND ${Qt5Widgets_UIC_EXECUTABLE}
-          ARGS ${ui_options} -o ${outfile} ${infile}
-          MAIN_DEPENDENCY ${infile} VERBATIM)
-        list(APPEND ${outfiles} ${outfile})
-    endforeach()
-    set(${outfiles} ${${outfiles}} PARENT_SCOPE)
-endfunction()
-
-# qt5_add_resources_custom(outfiles inputfile ... )
-
-function(QT5_ADD_RESOURCES_CUSTOM outfiles )
-
-    set(options)
-    set(oneValueArgs)
-    set(multiValueArgs OPTIONS)
-
-    cmake_parse_arguments(_RCC "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-
-    set(rcc_files ${_RCC_UNPARSED_ARGUMENTS})
-    set(rcc_options ${_RCC_OPTIONS})
-
-    if("${rcc_options}" MATCHES "-binary")
-        message(WARNING "Use qt5_add_binary_resources for binary option")
-    endif()
-
-    foreach(it ${rcc_files})
-        get_filename_component(outfilename ${it} NAME_WE)
-        get_filename_component(infile ${it} ABSOLUTE)
-        set(outfile ${CMAKE_CURRENT_BINARY_DIR}/generated/qrc_${outfilename}.cc)
-
-        _QT5_PARSE_QRC_FILE(${infile} _out_depends _rc_depends)
-
-        add_custom_command(OUTPUT ${outfile}
-                           COMMAND ${Qt5Core_RCC_EXECUTABLE}
-                           ARGS ${rcc_options} --name ${outfilename} --output ${outfile} ${infile}
-                           MAIN_DEPENDENCY ${infile}
-                           DEPENDS ${_rc_depends} "${out_depends}" VERBATIM)
-        list(APPEND ${outfiles} ${outfile})
-    endforeach()
-    set(${outfiles} ${${outfiles}} PARENT_SCOPE)
-endfunction()                   
\ No newline at end of file
diff --git a/gui/gui.cmake b/gui/gui.cmake
deleted file mode 100644
index 65705014..00000000
--- a/gui/gui.cmake
+++ /dev/null
@@ -1,30 +0,0 @@
-# Find the Qt5 libraries
-find_package(Qt5 COMPONENTS Core Widgets OpenGL REQUIRED)
-find_package(OpenGL REQUIRED)
-
-include( gui/Qt5Customizations.cmake )
-
-# Find includes in corresponding build directories
-include_directories(${CMAKE_CURRENT_BINARY_DIR}/generated)
-
-qt5_generate_moc(gui/mainwindow.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_mainwindow.cc)
-qt5_generate_moc(gui/fpgaviewwidget.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_fpgaviewwidget.cc)
-qt5_generate_moc(gui/pythontab.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_pythontab.cc)
-qt5_generate_moc(gui/infotab.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_infotab.cc)
-qt5_generate_moc(gui/designwidget.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_designwidget.cc)
-qt5_generate_moc(gui/line_editor.h ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_line_editor.cc)
-
-set(GENERATED_MOC_FILES
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_mainwindow.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_fpgaviewwidget.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_pythontab.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_infotab.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_designwidget.cc
-    ${CMAKE_CURRENT_BINARY_DIR}/generated/moc_line_editor.cc
-)
-
-qt5_add_resources_custom(GUI_RESOURCE_FILES gui/nextpnr.qrc)
-
-aux_source_directory(gui/ GUI_ALL_SOURCE_FILES)
-set(GUI_SOURCE_FILES ${GUI_ALL_SOURCE_FILES} ${GENERATED_MOC_FILES} ${GENERATED_UI_HEADERS} ${GUI_RESOURCE_FILES})
-set(GUI_LIBRARY_FILES Qt5::Widgets Qt5::OpenGL ${OPENGL_LIBRARIES} QtPropertyBrowser)
diff --git a/gui/mainwindow.cc b/gui/mainwindow.cc
index 087c54ba..91232390 100644
--- a/gui/mainwindow.cc
+++ b/gui/mainwindow.cc
@@ -25,6 +25,8 @@
 MainWindow::MainWindow(Context *_ctx, QWidget *parent)
         : QMainWindow(parent), ctx(_ctx)
 {
+    Q_INIT_RESOURCE(nextpnr);
+
     log_files.clear();
     log_streams.clear();
     log_write_function = [this](std::string text) { info->info(text); };