diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38939895..aeeda3ed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,4 +6,11 @@ enable_testing()
 
 include(cmake/nestlog.cmake)
 
+add_subdirectory(include)
 add_subdirectory(example)
+
+# this doesn't work in include/CMakeLists.txt
+install(TARGETS indentlog DESTINATION include)
+
+set(CMAKE_INSTALL_PREFIX /home/roland/local)
+set(CMAKE_INSTALL_RPATH /home/roland/local/lib)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
new file mode 100644
index 00000000..72fcb50d
--- /dev/null
+++ b/include/CMakeLists.txt
@@ -0,0 +1,6 @@
+# header-only library
+add_library(indentlog INTERFACE)
+target_include_directories(indentlog INTERFACE
+  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:include>
+  )