add new thirdparty library, stb

CMakeLists.txt

@@ -173,6 +173,7 @@ target_link_libraries(nf7
     magic_enum
     miniaudio
     source_location
+    stb
     yas
     yaml-cpp
 )

thirdparty/CMakeLists.txt

@@ -231,6 +231,25 @@ target_include_directories(source_location SYSTEM INTERFACE .)
 target_sources(source_location INTERFACE source_location.hh)
 
 
+# ---- stb ----
+# repository: https://github.com/nothings/stb
+# license   : Unlicense
+FetchContent_Declare(
+  stb
+  URL "https://github.com/nothings/stb/archive/8b5f1f37b5b75829fc72d38e7b5d4bcbf8a26d55.zip"
+)
+FetchContent_Populate(stb)
+
+add_library(stb)
+target_include_directories(stb PUBLIC SYSTEM ${stb_SOURCE_DIR})
+target_sources(stb
+  PUBLIC
+    ${stb_SOURCE_DIR}/stb_image.h
+  PRIVATE
+    stb.c
+)
+
+
 # ---- yaml-cpp ----
 # repository: https://github.com/jbeder/yaml-cpp
 # license   : MIT

thirdparty/stb.c

@@ -0,0 +1,2 @@
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>