build system updates and other fixes

add preset config
import qt
separate core and frontend

CMakeModules/CopyQt5Deps.cmake

@@ -0,0 +1,32 @@
+function(copy_Qt5_deps target_dir)
+    include(WindowsCopyFiles)
+    set(DLL_DEST "${CMAKE_BINARY_DIR}/bin/$<CONFIG>/")
+    set(Qt5_DLL_DIR "${Qt5_DIR}/../../../bin")
+    set(Qt5_PLATFORMS_DIR "${Qt5_DIR}/../../../plugins/platforms/")
+    set(Qt5_STYLES_DIR "${Qt5_DIR}/../../../plugins/styles/")
+    # set(Qt5_IMAGEFORMATS_DIR "${Qt5_DIR}/../../../plugins/imageformats/")
+    set(PLATFORMS ${DLL_DEST}platforms/)
+    set(STYLES ${DLL_DEST}styles/)
+    # set(IMAGEFORMATS ${DLL_DEST}imageformats/)
+    windows_copy_files(${target_dir} ${Qt5_DLL_DIR} ${DLL_DEST}
+        icudt*.dll
+        icuin*.dll
+        icuuc*.dll
+        Qt5Core$<$<CONFIG:Debug>:d>.*
+        Qt5Gui$<$<CONFIG:Debug>:d>.*
+        Qt5Widgets$<$<CONFIG:Debug>:d>.*
+    )
+    windows_copy_files(citra-qt ${Qt5_PLATFORMS_DIR} ${PLATFORMS} qwindows$<$<CONFIG:Debug>:d>.*)
+    windows_copy_files(citra-qt ${Qt5_STYLES_DIR} ${STYLES} qwindowsvistastyle$<$<CONFIG:Debug>:d>.*)
+    # windows_copy_files(${target_dir} ${Qt5_IMAGEFORMATS_DIR} ${IMAGEFORMATS}
+    #     qgif$<$<CONFIG:Debug>:d>.dll
+    #     qicns$<$<CONFIG:Debug>:d>.dll
+    #     qico$<$<CONFIG:Debug>:d>.dll
+    #     qjpeg$<$<CONFIG:Debug>:d>.dll
+    #     qsvg$<$<CONFIG:Debug>:d>.dll
+    #     qtga$<$<CONFIG:Debug>:d>.dll
+    #     qtiff$<$<CONFIG:Debug>:d>.dll
+    #     qwbmp$<$<CONFIG:Debug>:d>.dll
+    #     qwebp$<$<CONFIG:Debug>:d>.dll
+    # )
+endfunction(copy_citra_Qt5_deps)

CMakeModules/DownloadExternals.cmake

@@ -0,0 +1,18 @@
+
+# This function downloads a binary library package from our external repo.
+# Params:
+#   remote_path: path to the file to download, relative to the remote repository root
+#   prefix_var: name of a variable which will be set with the path to the extracted contents
+function(download_bundled_external remote_path lib_name prefix_var)
+set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}")
+if (NOT EXISTS "${prefix}")
+    message(STATUS "Downloading binaries for ${lib_name}...")
+    file(DOWNLOAD
+        https://github.com/citra-emu/ext-windows-bin/raw/master/${remote_path}${lib_name}.7z
+        "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z" SHOW_PROGRESS)
+    execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z"
+        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
+endif()
+message(STATUS "Using bundled binaries at ${prefix}")
+set(${prefix_var} "${prefix}" PARENT_SCOPE)
+endfunction()

CMakeModules/WindowsCopyFiles.cmake

@@ -0,0 +1,28 @@
+# Copyright 2016 Citra Emulator Project
+# Licensed under GPLv2 or any later version
+# Refer to the license.txt file included.
+
+# This file provides the function windows_copy_files.
+# This is only valid on Windows.
+
+# Include guard
+if(__windows_copy_files)
+	return()
+endif()
+set(__windows_copy_files YES)
+
+# Any number of files to copy from SOURCE_DIR to DEST_DIR can be specified after DEST_DIR.
+# This copying happens post-build.
+function(windows_copy_files TARGET SOURCE_DIR DEST_DIR)
+    # windows commandline expects the / to be \ so switch them
+    string(REPLACE "/" "\\\\" SOURCE_DIR ${SOURCE_DIR})
+    string(REPLACE "/" "\\\\" DEST_DIR ${DEST_DIR})
+
+    # /NJH /NJS /NDL /NFL /NC /NS /NP - Silence any output
+    # cmake adds an extra check for command success which doesn't work too well with robocopy
+    # so trick it into thinking the command was successful with the || cmd /c "exit /b 0"
+    add_custom_command(TARGET ${TARGET} POST_BUILD
+        COMMAND if not exist ${DEST_DIR} mkdir ${DEST_DIR} 2> nul
+        COMMAND robocopy ${SOURCE_DIR} ${DEST_DIR} ${ARGN} /NJH /NJS /NDL /NFL /NC /NS /NP || cmd /c "exit /b 0"
+    )
+endfunction()