diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5653ec33..87383904 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-# using indentlog/CMakeLists.txt as model
+# randomgen/CMakeLists.txt
 
 cmake_minimum_required(VERSION 3.10)
 
@@ -23,14 +23,14 @@ add_code_coverage()
 add_code_coverage_all_targets(EXCLUDE /nix/store/* utest/*)
 
 # ----------------------------------------------------------------
-# c++ settings
-
-set(PROJECT_CXX_FLAGS "-fconcepts-diagnostics-depth=2")
+# bespoke (usually temporary) c++ settings
 
+set(PROJECT_CXX_FLAGS "")
+#set(PROJECT_CXX_FLAGS "-fconcepts-diagnostics-depth=2")
 add_definitions(${PROJECT_CXX_FLAGS})
 
 # ----------------------------------------------------------------
-# default install
+# common include paths etc.
 
 xo_toplevel_compile_options()
 
@@ -40,7 +40,7 @@ xo_toplevel_compile_options()
 # set CMAKE_INSTALL_PREFIX to analog of /usr
 # to use .cmake assistants from /usr/lib/cmake/indentlog
 #
-#find_package(indentlog REQUIRED)
+# xo_internal_dependency(..)
 
 # ----------------------------------------------------------------
 
@@ -48,7 +48,20 @@ add_subdirectory(example)
 #add_subdirectory(utest)
 
 # ----------------------------------------------------------------
+# output targets
 
+set(SELF_LIB randomgen)
+add_library(${SELF_LIB} INTERFACE)
+xo_include_headeronly_options2(${SELF_LIB})
+
+# ----------------------------------------------------------------
+# standard install + provide find_package() support
+
+xo_install_library2(${SELF_LIB})
 xo_install_include_tree()
+xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
+
+# ----------------------------------------------------------------
+# install additional components
 
 install(TARGETS ex1 DESTINATION bin/randomgen/example)
diff --git a/README.md b/README.md
index 905f267e..73f13f1b 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,8 @@
 $ cd randomgen
 $ mkdir build
 $ cd build
-$ cmake -DCMAKE_MODULE_PATH=${INSTALL_PREFIX}/share/cmake  -DCMAKE_PREFIX_PATH=$(INSTALL_PREFIX) ..
+$ PREFIX=/usr/local # for example
+$ cmake -DCMAKE_MODULE_PATH=${PREFIX}/share/cmake -DCMAKE_PREFIX_PATH=$(PREFIX) -DCMAKE_INSTALL_PREFIX=${PREFIX} ..
 $ make
 $ make install
 ```
diff --git a/cmake/randomgenConfig.cmake.in b/cmake/randomgenConfig.cmake.in
new file mode 100644
index 00000000..e66430b0
--- /dev/null
+++ b/cmake/randomgenConfig.cmake.in
@@ -0,0 +1,4 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/randomgenTargets.cmake")
+check_required_components("@PROJECT_NAME@")