move to new build system

cmake/libraries/fmt.cmake

@@ -0,0 +1,30 @@
+if(PROJECT_ENABLE_FMT)
+  if(PROJECT_BUILD)
+    find_package(fmt ${FMT_VERSION} REQUIRED)
+
+    add_definitions(-DPROJECT_ENABLE_FMT)
+
+    include_directories(BEFORE SYSTEM
+      ${FMT_INCLUDE_DIRS}
+    )
+
+    link_libraries(
+      fmt::fmt
+    ) 
+  elseif(NOT PROJECT_IS_MINGW OR CMAKE_HOST_WIN32)
+    ExternalProject_Add(fmt_project
+      PREFIX external
+      URL ${PROJECT_3RD_PARTY_DIR}/fmt-${FMT_VERSION}.tar.gz
+      URL_HASH SHA256=1250e4cc58bf06ee631567523f48848dc4596133e163f02615c97f78bab6c811
+      LIST_SEPARATOR |
+      CMAKE_ARGS ${PROJECT_EXTERNAL_CMAKE_FLAGS}
+        -DBUILD_SHARED_LIBS=${PROJECT_BUILD_SHARED_LIBS}
+        -DBUILD_STATIC_LIBS=ON
+    )
+
+    set(PROJECT_DEPENDENCIES 
+      ${PROJECT_DEPENDENCIES}
+      fmt_project
+    )
+  endif()
+endif()