another UI attempt, I guess.

sorry.

src/libui_sdl/libui/unix/CMakeLists.txt

@@ -0,0 +1,85 @@
+# 3 june 2016
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED gtk+-3.0)
+
+list(APPEND _LIBUI_SOURCES
+	unix/alloc.c
+	unix/area.c
+	unix/box.c
+	unix/button.c
+	unix/cellrendererbutton.c
+	unix/checkbox.c
+	unix/child.c
+	unix/colorbutton.c
+	unix/combobox.c
+	unix/control.c
+	unix/datetimepicker.c
+	unix/debug.c
+	unix/draw.c
+	unix/drawmatrix.c
+	unix/drawpath.c
+	unix/drawtext.c
+	unix/editablecombo.c
+	unix/entry.c
+	unix/fontbutton.c
+	unix/form.c
+	unix/future.c
+	unix/graphemes.c
+	unix/grid.c
+	unix/group.c
+	unix/image.c
+	unix/label.c
+	unix/main.c
+	unix/menu.c
+	unix/multilineentry.c
+	unix/progressbar.c
+	unix/radiobuttons.c
+	unix/separator.c
+	unix/slider.c
+	unix/spinbox.c
+	unix/stddialogs.c
+	unix/tab.c
+	unix/text.c
+	unix/util.c
+	unix/window.c
+)
+set(_LIBUI_SOURCES ${_LIBUI_SOURCES} PARENT_SCOPE)
+
+list(APPEND _LIBUI_INCLUDEDIRS
+	unix
+)
+set(_LIBUI_INCLUDEDIRS _LIBUI_INCLUDEDIRS PARENT_SCOPE)
+
+set(_LIBUINAME libui PARENT_SCOPE)
+if(NOT BUILD_SHARED_LIBS)
+	set(_LIBUINAME libui-temporary PARENT_SCOPE)
+endif()
+macro(_handle_static)
+	set_target_properties(${_LIBUINAME} PROPERTIES
+		ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}")
+	set(_aname $<TARGET_FILE:${_LIBUINAME}>)
+	set(_oname libui-combined.o)
+	add_custom_command(
+		OUTPUT ${_oname}
+		COMMAND
+			ld -r --whole-archive ${_aname} -o ${_oname}
+		COMMAND
+			objcopy --localize-hidden ${_oname}
+		COMMENT "Removing hidden symbols")
+	add_library(libui STATIC ${_oname})
+	# otherwise cmake won't know which linker to use
+	set_target_properties(libui PROPERTIES
+		LINKER_LANGUAGE C)
+	set(_aname)
+	set(_oname)
+endmacro()
+
+# TODO the other variables don't work?
+set(_LIBUI_CFLAGS
+	${GTK_CFLAGS}
+PARENT_SCOPE)
+
+set(_LIBUI_LIBS
+	${GTK_LDFLAGS} m ${CMAKE_DL_LIBS}
+PARENT_SCOPE)