From 3da73f5d3c9beba836ca29c3ed9c6ab22aa6ee2c Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 27 Sep 2023 13:18:40 -0400
Subject: [PATCH 1/3] xo-cmake: + xo_install_include_tree()

---
 cmake/xo_cxx.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/xo_cxx.cmake b/cmake/xo_cxx.cmake
index 160a1833..d2f95936 100644
--- a/cmake/xo_cxx.cmake
+++ b/cmake/xo_cxx.cmake
@@ -42,6 +42,13 @@ macro(xo_compile_options target)
     target_copmile_options(${target} PRIVATE ${XO_COMPILE_OPTIONS})
 endmacro()
 
+# ----------------------------------------------------------------
+# use this to install typical include file subtree
+#
+macro(xo_install_include_tree)
+    install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/ DESTINATION include)
+endmacro()
+
 # ----------------------------------------------------------------
 #
 # dependency on an xo library (including header-only libraries)

From 795d5ddb69ff38ccdb9ffcbe5226af7b194d5ec7 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 27 Sep 2023 13:18:59 -0400
Subject: [PATCH 2/3] xo-cmake: + xo_install_library2()

---
 cmake/xo_cxx.cmake | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/cmake/xo_cxx.cmake b/cmake/xo_cxx.cmake
index d2f95936..6728db82 100644
--- a/cmake/xo_cxx.cmake
+++ b/cmake/xo_cxx.cmake
@@ -49,6 +49,22 @@ macro(xo_install_include_tree)
     install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/ DESTINATION include)
 endmacro()
 
+# ----------------------------------------------------------------
+# use this for a subdir that builds a library
+# and supports find_package()
+#
+macro(xo_install_library2 target)
+    install(
+        TARGETS ${target}
+        EXPORT ${target}Targets
+        LIBRARY DESTINATION lib COMPONENT Runtime
+        ARCHIVE DESTINATION lib COMPONENT Development
+        RUNTIME DESTINATION bin COMPONENT Runtime
+        PUBLIC_HEADER DESTINATION include COMPONENT Development
+        BUNDLE DESTINATION bin COMPONENT Runtime
+    )
+endmacro()
+
 # ----------------------------------------------------------------
 #
 # dependency on an xo library (including header-only libraries)

From 8884d7f9aa55f6a77530f7487a5bec0f24860544 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Wed, 27 Sep 2023 13:19:11 -0400
Subject: [PATCH 3/3] xo-cmake: + xo_export_cmake_config()

---
 cmake/xo_cxx.cmake | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/cmake/xo_cxx.cmake b/cmake/xo_cxx.cmake
index 6728db82..8f70a590 100644
--- a/cmake/xo_cxx.cmake
+++ b/cmake/xo_cxx.cmake
@@ -65,6 +65,40 @@ macro(xo_install_library2 target)
     )
 endmacro()
 
+# ----------------------------------------------------------------
+
+# for projectname=foo,  require:
+#   cmake/fooConfig.cmake.in
+#
+# prepares
+#   ${PREFIX}/lib/cmake/foo/fooConfig.cmake
+#   ${PREFIX}/lib/cmake/foo/fooConfigVersion.cmake
+#   ${PREFIX}/lib/cmake/foo/fooTargets.cmake
+#
+macro(xo_export_cmake_config projectname projectversion projecttargets)
+    include(CMakePackageConfigHelpers)
+    write_basic_package_version_file(
+        "${PROJECT_BINARY_DIR}/${projectname}ConfigVersion.cmake"
+        VERSION ${projectversion}
+        COMPATIBILITY AnyNewerVersion
+    )
+    configure_package_config_file(
+        "${PROJECT_SOURCE_DIR}/cmake/${projectname}Config.cmake.in"
+        "${PROJECT_BINARY_DIR}/${projectname}Config.cmake"
+        INSTALL_DESTINATION lib/cmake/${projectname}
+    )
+    install(
+        EXPORT ${projecttargets}
+        DESTINATION lib/cmake/${projectname}
+    )
+    install(
+        FILES
+        "${PROJECT_BINARY_DIR}/${projectname}ConfigVersion.cmake"
+        "${PROJECT_BINARY_DIR}/${projectname}Config.cmake"
+        DESTINATION lib/cmake/${projectname}
+    )
+endmacro()
+
 # ----------------------------------------------------------------
 #
 # dependency on an xo library (including header-only libraries)