1 files changed, 9 insertions, 0 deletions
diff --git a/ports/promise-cpp/usage b/ports/promise-cpp/usage
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index 000000000..0e9d48636
--- /dev/null
+++ b/ports/promise-cpp/usage
@@ -0,0 +1,9 @@
+The package promise-cpp is header only and can be used from CMake via:
+
+    find_path(PROMISE_CPP_INCLUDE_DIRS "promise-cpp/promise.hpp")
+    target_include_directories(main PRIVATE ${PROMISE_CPP_INCLUDE_DIRS})
+
+Make sure to define the pre-processor macro PROMISE_HEADONLY before including "promise-cpp/promise.hpp":
+
+    #define PROMISE_HEADONLY
+    #include "promise-cpp/promise.hpp"
+\ No newline at end of file