Add CMake build system

Add CMake build system for libraries, tests and samples
update_files.py converts build/files into CMake format.
build/update-setup-h has been modified to update build/cmake/setup.h.in.

build/cmake/lib/CMakeLists.txt

@@ -0,0 +1,94 @@
+#############################################################################
+# Name:        build/cmake/lib/CMakeLists.txt
+# Purpose:     Main lib CMake file
+# Author:      Tobias Taschner
+# Created:     2016-10-14
+# Copyright:   (c) 2016 wxWidgets development team
+# Licence:     wxWindows licence
+#############################################################################
+
+include(../source_groups.cmake)
+
+set(wxLIB_TARGETS)
+if(wxBUILD_MONOLITHIC)
+    # Initialize variables for monolithic build
+    set(wxMONO_SRC_FILES)
+    set(wxMONO_LIBS_PRIVATE)
+    set(wxMONO_LIBS_PUBLIC)
+    set(wxMONO_INCLUDE_DIRS_PRIVATE)
+    set(wxMONO_INCLUDE_DIRS_PUBLIC)
+endif()
+
+# Define third party libraries
+set(LIBS_THIRDPARTY regex zlib)
+if(wxUSE_GUI)
+    list(APPEND LIBS_THIRDPARTY jpeg png tiff)
+endif()
+foreach(LIB IN LISTS LIBS_THIRDPARTY)
+    include(${LIB}.cmake)
+endforeach()
+
+# add_opt_lib()
+# Add library which may have been disabled by wxUSE_...
+macro(add_opt_lib name var_name)
+    if(${var_name})
+        list(APPEND LIBS ${name})
+    endif()
+endmacro()
+
+# Define base libraries
+set(LIBS base)
+add_opt_lib(net wxUSE_SOCKETS)
+add_opt_lib(xml wxUSE_XML)
+
+# Define UI libraries
+if(wxUSE_GUI)
+    list(APPEND LIBS core adv)
+    foreach(lib
+        aui
+        html
+        propgrid
+        ribbon
+        richtext
+        webview
+        stc
+        xrc
+        )
+        string(TOUPPER ${lib} _name_upper)
+        add_opt_lib(${lib} wxUSE_${_name_upper})
+    endforeach()
+    add_opt_lib(media wxUSE_MEDIACTRL)
+    add_opt_lib(gl wxUSE_OPENGL)
+    add_opt_lib(qa wxUSE_DEBUGREPORT)
+endif() # wxUSE_GUI
+
+# Include cmake file for every library
+foreach(LIB ${LIBS})
+    add_subdirectory(${LIB})
+endforeach()
+
+if(wxBUILD_MONOLITHIC)
+    # Create monolithic library target
+    list(LENGTH wxMONO_SRC_FILES src_file_count)
+    wx_add_library(mono ${wxMONO_SRC_FILES})
+    foreach(vis PRIVATE PUBLIC)
+        if(wxMONO_LIBS_${vis})
+            # Remove libs included in mono from list
+            foreach(lib IN LISTS LIBS)
+                list(REMOVE_ITEM wxMONO_LIBS_${vis} ${lib})
+            endforeach()
+
+            target_link_libraries(mono ${vis} ${wxMONO_LIBS_${vis}})
+        endif()
+        if(wxMONO_INCLUDE_DIRS_${vis})
+            target_include_directories(mono ${vis} ${wxMONO_INCLUDE_DIRS_${vis}})
+        endif()
+        if(wxMONO_DEFINITIONS_${vis})
+            target_compile_definitions(mono ${vis} ${wxMONO_DEFINITIONS_${vis}})
+        endif()
+    endforeach()
+endif()
+
+# Propagate variable(s) to parent scope
+set(wxLIB_TARGETS ${wxLIB_TARGETS} PARENT_SCOPE)
+set(wxTHIRD_PARTY_LIBRARIES ${wxTHIRD_PARTY_LIBRARIES} PARENT_SCOPE)