feat: cmake improvements and simple ci (#9)

* move main and stb-libs to subfolder

* cmake : general additions

* ci : add simple building

---------

Co-authored-by: leejet <31925346+leejet@users.noreply.github.com>

CMakeLists.txt

@@ -1,16 +1,44 @@
 cmake_minimum_required(VERSION 3.12)
-project(stable-diffusion)
+project("stable-diffusion")
 
-set(SD_LIB stable-diffusion)
-set(SD_TARGET sd)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
+if (NOT XCODE AND NOT MSVC AND NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+    set(SD_STANDALONE ON)
+else()
+    set(SD_STANDALONE OFF)
+endif()
+
+#
+# Option list
+#
+
+# general
+#option(SD_BUILD_TESTS                "sd: build tests"    ${SD_STANDALONE})
+option(SD_BUILD_EXAMPLES             "sd: build examples" ${SD_STANDALONE})
+#option(SD_BUILD_SERVER               "sd: build server example"                           ON)
+
+
+# deps
 add_subdirectory(ggml)
 
+set(SD_LIB stable-diffusion)
+
 add_library(${SD_LIB} stable-diffusion.h stable-diffusion.cpp)
-add_executable(${SD_TARGET} main.cpp stb_image.h stb_image_write.h)
-
 target_link_libraries(${SD_LIB} PUBLIC ggml)
-target_link_libraries(${SD_TARGET} ${SD_LIB})
-
+target_include_directories(${SD_LIB} PUBLIC .)
 target_compile_features(${SD_LIB} PUBLIC cxx_std_11)
-target_compile_features(${SD_TARGET} PUBLIC cxx_std_11)
+
+
+if (SD_BUILD_EXAMPLES)
+    add_subdirectory(examples)
+endif()
+