From db927c51592e4d3f58278c96af194df782b583c8 Mon Sep 17 00:00:00 2001
From: ThePhD <phdofthehouse@gmail.com>
Date: Fri, 10 Aug 2018 20:53:31 -0400
Subject: [PATCH] update CMake to have namespaced stuff

---
 CMakeLists.txt | 29 ++++++++++++++++++-----------
 1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba52ded8..ad557768 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,6 +139,11 @@ CMAKE_DEPENDENT_OPTION(TESTS_DYNAMIC_LOADING_EXAMPLES "Enable build of dynamic l
 # # # sol2 Library
 # # Add a target for sol2's library to be included by external users
 add_library(sol2 INTERFACE)
+add_library(sol2::sol2 ALIAS sol2)
+set_target_properties(sol2
+	PROPERTIES
+	EXPORT_NAME sol2::sol2)
+
 target_include_directories(sol2 INTERFACE
 	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
 	$<INSTALL_INTERFACE:include>)
@@ -198,8 +203,10 @@ if (PYTHONINTERP_FOUND)
 		add_custom_target(sol2_single_header ALL
 			DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/single/sol.hpp" "${CMAKE_CURRENT_BINARY_DIR}/single/sol_forward.hpp")
 		add_library(sol2_single INTERFACE)
+		add_library(sol2::sol2_single ALIAS sol2_single)
 		set_target_properties(sol2_single
 			PROPERTIES
+			EXPORT_NAME sol2::sol2_single
 			INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_BINARY_DIR}/single")
 		add_dependencies(sol2_single sol2_single_header)
 		install(FILES "${CMAKE_CURRENT_BINARY_DIR}/single/sol.hpp" "${CMAKE_CURRENT_BINARY_DIR}/single/sol_forward.hpp"
@@ -221,12 +228,12 @@ endif()
 
 # pkg-config support, except on Windows
 if(NOT WIN32 OR NOT CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
-  set(PKGCONFIG_INSTALL_DIR
-    "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
-    CACHE PATH "Path where sol2.pc is installed")
-
-  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sol2.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" @ONLY)
-  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" DESTINATION "${PKGCONFIG_INSTALL_DIR}")
+	set(PKGCONFIG_INSTALL_DIR
+		"${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig"
+		CACHE PATH "Path where sol2.pc is installed")
+	
+	configure_file("${CMAKE_CURRENT_SOURCE_DIR}/sol2.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" @ONLY)
+	install(FILES "${CMAKE_CURRENT_BINARY_DIR}/sol2.pc" DESTINATION "${PKGCONFIG_INSTALL_DIR}")
 endif()
 
 if (CI)
@@ -267,7 +274,7 @@ if (DO_TESTS OR DO_EXAMPLES)
 		set(THREADS_PREFER_PTHREAD_FLAG TRUE)
 	endif()
 	find_package(Threads REQUIRED)
-
+	
 	string(TOLOWER ${LUA_VERSION} NORMALIZED_LUA_VERSION)
 	# Find way to get Lua: build if requested, or attempt to build if no matching version is found
 	if (BUILD_LUA)
@@ -287,18 +294,18 @@ if (DO_TESTS OR DO_EXAMPLES)
 			find_package(LuaBuild ${LUA_VERSION} REQUIRED)
 		endif()
 	endif()
-
+	
 	if (NOT LUA_FOUND AND NOT LUABUILD_FOUND)
 		message(FATAL_ERROR "sol2 Lua \"${LUA_VERSION}\" not found and could not be targeted for building")
 	endif()
-
+	
 	# # Enable test harness for regular, example or single tests
 	if (ENABLE_TESTING)
 		# enable ctest
 		message(STATUS "sol2 testing enabled")
 		enable_testing()
 	endif()
-
+	
 	# # # Examples
 	# # Enable examples to be built against the library
 	if (DO_EXAMPLES)
@@ -306,7 +313,7 @@ if (DO_TESTS OR DO_EXAMPLES)
 		message(STATUS "sol2 adding examples...")
 		add_subdirectory(examples "${CMAKE_BINARY_DIR}/examples")
 	endif()
-
+	
 	# # # Tests
 	# # Add tests here
 	if (DO_TESTS)