Also export a plugin destination, so external plugins know where to install stuff

cmake/Modules/ObsHelpers.cmake

@@ -152,13 +152,19 @@ macro(export_obs_core target exportname)
 	export(PACKAGE "${exportname}")
 
 	set(CONF_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}")
+	set(CONF_PLUGIN_DEST "${CMAKE_BINARY_DIR}/rundir/${CMAKE_BUILD_TYPE}/obs-plugins/${_lib_suffix}bit")
+	set(CONF_PLUGIN_DEST32 "${CMAKE_BINARY_DIR}/rundir/${CMAKE_BUILD_TYPE}/obs-plugins/32bit")
+	set(CONF_PLUGIN_DEST64 "${CMAKE_BINARY_DIR}/rundir/${CMAKE_BUILD_TYPE}/obs-plugins/64bit")
 	configure_file("${exportname}Config.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/${exportname}Config.cmake" @ONLY)
 
-	file(RELATIVE_PATH _pinclude_dir "${CMAKE_INSTALL_PREFIX}/${OBS_CMAKE_DESTINATION}/${exportname}" "${CMAKE_INSTALL_PREFIX}/${OBS_INCLUDE_DESTINATION}")
-	set(CONF_INCLUDE_DIRS "\${CMAKE_CURRENT_LIST_DIR}/${_pinclude_dir}")
+	file(RELATIVE_PATH _pdir "${CMAKE_INSTALL_PREFIX}/${OBS_CMAKE_DESTINATION}/${exportname}" "${CMAKE_INSTALL_PREFIX}")
+	set(CONF_INCLUDE_DIRS "\${CMAKE_CURRENT_LIST_DIR}/${_pdir}${OBS_INCLUDE_DESTINATION}")
+	set(CONF_PLUGIN_DEST "\${CMAKE_CURRENT_LIST_DIR}/${_pdir}${OBS_PLUGIN_DESTINATION}")
+	set(CONF_PLUGIN_DEST32 "\${CMAKE_CURRENT_LIST_DIR}/${_pdir}${OBS_PLUGIN32_DESTINATION}")
+	set(CONF_PLUGIN_DEST64 "\${CMAKE_CURRENT_LIST_DIR}/${_pdir}${OBS_PLUGIN64_DESTINATION}")
 	configure_file("${exportname}Config.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${exportname}Config.cmake" @ONLY)
 
-	set(_pinclude_dir)
+	set(_pdir)
 
 	configure_file("${exportname}ConfigVersion.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/${exportname}ConfigVersion.cmake" @ONLY)
 

libobs/LibObsConfig.cmake.in

@@ -2,8 +2,17 @@
 # It defines the following variables
 #  LIBOBS_INCLUDE_DIRS
 #  LIBOBS_LIBRARIES
+#  LIBOBS_PLUGIN_DESTINATION{,32,64}
 
+set(LIBOBS_PLUGIN_DESTINATION "@CONF_PLUGIN_DEST@")
+set(LIBOBS_PLUGIN_DESTINATION32 "@CONF_PLUGIN_DEST32@")
+set(LIBOBS_PLUGIN_DESTINATION64 "@CONF_PLUGIN_DEST64@")
 set(LIBOBS_INCLUDE_DIRS "@CONF_INCLUDE_DIRS@")
+
+# Cleanup possible relative paths
+get_filename_component(LIBOBS_PLUGIN_DESTINATION "${LIBOBS_PLUGIN_DESTINATION}" ABSOLUTE)
+get_filename_component(LIBOBS_PLUGIN_DESTINATION32 "${LIBOBS_PLUGIN_DESTINATION32}" ABSOLUTE)
+get_filename_component(LIBOBS_PLUGIN_DESTINATION64 "${LIBOBS_PLUGIN_DESTINATION64}" ABSOLUTE)
 get_filename_component(LIBOBS_INCLUDE_DIRS "${LIBOBS_INCLUDE_DIRS}" ABSOLUTE)
 
 if(NOT TARGET libobs)