From 412bc653aac9851116b48b138ae145f8c95da506 Mon Sep 17 00:00:00 2001
From: Dawid Drozd <drozddawid.uam@gmail.com>
Date: Sat, 14 Sep 2019 15:10:08 +0200
Subject: [PATCH] Add new way of installing public headers

---
 lib/CMakeLists.txt          | 14 ++++++++++++--
 lib/cmake/InstallHelp.cmake | 14 ++++++++++++++
 2 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 lib/cmake/InstallHelp.cmake

diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 1635d74..5e074a2 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -19,6 +19,8 @@ set(CMAKE_CXX_STANDARD 17)
 # * CMAKE_INSTALL_BINDIR
 # * CMAKE_INSTALL_INCLUDEDIR
 include(GNUInstallDirs)
+include(cmake/InstallHelp.cmake)
+
 
 # Layout. This works for all platforms:
 #   * <prefix>/lib*/cmake/<PROJECT-NAME>
@@ -43,7 +45,6 @@ add_library(EventBus
 	src/dexode/eventbus/strategy/Protected.cpp include/dexode/eventbus/strategy/Protected.hpp
 	src/dexode/eventbus/strategy/Transaction.cpp include/dexode/eventbus/strategy/Transaction.hpp
 	)
-
 add_library(Dexode::EventBus ALIAS EventBus)
 
 target_compile_features(EventBus PUBLIC cxx_std_14)
@@ -54,6 +55,13 @@ target_include_directories(EventBus PUBLIC
 	PRIVATE lib/src/
 	)
 
+set(EventBus_PUBLIC_HEADERS
+	include/dexode/EventBus.hpp
+	include/dexode/eventbus/Listener.hpp
+	include/dexode/eventbus/Subscriber.hpp
+	include/dexode/eventbus/strategy/Protected.hpp
+	include/dexode/eventbus/strategy/Transaction.hpp
+	)
 # Add definitions for targets
 # Values:
 #   * Debug:   -DEVENTBUS_DEBUG=1
@@ -121,8 +129,10 @@ install(EXPORT "${TARGETS_EXPORT_NAME}"
 	NAMESPACE "${namespace}"
 	)
 
+install_public_headers_with_directory(EventBus_PUBLIC_HEADERS "include/")
+
 # Cpack configuration
 if(NOT CPACK_GENERATOR STREQUAL "")
-	include("cmake/EventBus_CPack.cmake")
+	include(cmake/EventBus_CPack.cmake)
 	enable_cpack(${CPACK_GENERATOR})
 endif()
diff --git a/lib/cmake/InstallHelp.cmake b/lib/cmake/InstallHelp.cmake
new file mode 100644
index 0000000..447f357
--- /dev/null
+++ b/lib/cmake/InstallHelp.cmake
@@ -0,0 +1,14 @@
+#
+# Installs files with preserving paths.
+#
+# Example usage:
+# install_public_headers_with_directory(MyHeadersList "src/")
+#
+macro(install_public_headers_with_directory HEADER_LIST IGNORE_PREFIX)
+	foreach(HEADER ${${HEADER_LIST}})
+		get_filename_component(DIR ${HEADER} DIRECTORY)
+		string(REPLACE ${IGNORE_PREFIX} "" DIR ${DIR})
+		install(FILES ${HEADER} DESTINATION include/${DIR})
+	endforeach(HEADER)
+
+endmacro(install_public_headers_with_directory)