reorganize files and fix build.

+ build is split into dist and nox variants.

cmake/imgui.cmake

@@ -0,0 +1,39 @@
+find_package(SDL2 REQUIRED)
+find_package(OpenGL REQUIRED)
+find_package(Freetype)
+if (DEFINED FREETYPE_INCLUDE_DIRS)
+    add_definitions(-DIMGUI_ENABLE_FREETYPE)
+    set(FREETYPE_SOURCES
+            ext/imgui/misc/freetype/imgui_freetype.cpp
+            ext/imgui/misc/freetype/imgui_freetype.h)
+endif()
+
+add_library(imgui STATIC
+        # Main Imgui files
+        ext/imgui/imgui.cpp
+        ext/imgui/imgui.h
+        ext/imgui/imgui_draw.cpp
+        ext/imgui/imgui_tables.cpp
+        ext/imgui/imgui_widgets.cpp
+        ext/imgui/imgui_demo.cpp
+
+        ext/imgui/backends/imgui_impl_sdl2.cpp
+        ext/imgui/backends/imgui_impl_sdl2.h
+        ext/imgui/backends/imgui_impl_opengl3.cpp
+        ext/imgui/backends/imgui_impl_opengl3.h
+
+        $<IF:$<TARGET_EXISTS:Freetype::Freetype>,${FREETYPE_SOURCES},>)
+add_library(imgui::imgui ALIAS imgui)
+target_link_libraries(imgui
+        PUBLIC
+        OpenGL::GL
+        $<IF:$<TARGET_EXISTS:Freetype::Freetype>,Freetype::Freetype,>
+        $<TARGET_NAME_IF_EXISTS:SDL2::SDL2main>
+        $<IF:$<TARGET_EXISTS:SDL2::SDL2>,SDL2::SDL2,SDL2::SDL2-static>)
+target_include_directories(imgui PUBLIC
+        ext/imgui/
+        ext/imgui/backends/
+        ext/imgui/misc/freetype
+        $<IF:$<TARGET_EXISTS:Freetype::Freetype>,${FREETYPE_INCLUDE_DIRS},>)
+
+include_directories(ext/ ${SDL2_INCLUDE_DIRS})

cmake/packaging.cmake

@@ -0,0 +1,41 @@
+# Packaging support
+include(InstallRequiredSystemLibraries)
+
+set(CPACK_PACKAGE_VENDOR "Shimmering Clarity")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "kyle's editor")
+set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
+set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
+set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
+
+# Debian settings
+set(CPACK_DEBIAN_PACKAGE_MAINTAINER "K. Isom")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "kyle's editor")
+set(CPACK_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION})
+if(${BUILD_GUI})
+set(CPACK_DEBIAN_PACKAGE_DEPENDS
+	"libsdl2-2.0-0, libfreetype6 (>= 2.11.1)"
+)
+endif()
+set(CPACK_DEBIAN_PACKAGE_SECTION universe/editors)
+set(CPACK_DEB_COMPONENT_INSTALL ON)
+set(CPACK_COMPONENTS_ALL dist nox)
+set(CPACK_COMPONENTS_GROUPING ONE_PER_GROUP)
+
+if(LINUX)
+    set(CPACK_GENERATOR "DEB;STGZ;TGZ")
+elseif(APPLE)
+    set(CPACK_GENERATOR "productbuild;TGZ")
+elseif(MSVC OR MSYS OR MINGW)
+    set(CPACK_GENERATOR "NSIS;ZIP")
+else()
+    set(CPACK_GENERATOR "ZIP")
+endif()
+
+set(CPACK_SOURCE_GENERATOR "TGZ;ZIP")
+set(CPACK_SOURCE_IGNORE_FILES
+        /.git
+        /.idea
+        /dist
+        /.*build.*)
+
+include(CPack)