deploy: a47170346a

integration/cmake.md

@@ -8,6 +8,19 @@ to point to the appropriate include directories and [`INTERFACE_COMPILE_FEATURES
 for the necessary C++11 flags. Most [package managers](package_managers.md) that provide a CMake package configuration
 for this library expose this same target.
 
+All ways of adding the library described below end at this one target:
+
+```mermaid
+flowchart LR
+    FP["<b>find_package()</b><br>installed package"] --> T
+    AS["<b>add_subdirectory()</b><br>embedded source tree"] --> T
+    FC["<b>FetchContent</b><br>downloaded at configure time"] --> T
+    PM["<b>Package manager</b><br>its CMake package"] --> T
+    T["<b>nlohmann_json::nlohmann_json</b><br>one INTERFACE target"] --> L["<b>target_link_libraries()</b><br>link it PRIVATE"]
+```
+
+<p class="nj-caption" markdown>The four ways to add the library in CMake all lead to the same `nlohmann_json::nlohmann_json` interface target, which a project links with `target_link_libraries`. The CMake options below apply to `add_subdirectory()` and `FetchContent`; installed packages have their options fixed at install time.</p>
+
 ### External
 
 To use this library from a CMake project, you can locate it directly with [`find_package()`](https://cmake.org/cmake/help/latest/command/find_package.html)
@@ -255,3 +268,10 @@ add_executable(myproject main.cpp)
 target_link_libraries(myproject PRIVATE nlohmann_json_modules)
 target_compile_definitions(myproject PRIVATE NLOHMANN_JSON_BUILD_MODULES)
 ```
+
+## See also
+
+- [Macros](../api/macros/index.md) - reference of all macros
+- [Supported Macros](../features/macros.md) - the macros that the CMake options set
+- [Modules](../features/modules.md) - C++20 module support
+- [`nlohmann` Namespace](../features/namespace.md) - namespace options set by CMake