FindXercesC: Add imported targets and unit test

1 files changed, 57 insertions, 10 deletions

diff --git a/Modules/FindXercesC.cmake b/Modules/FindXercesC.cmake
index cf84826..a4b80e5 100644
--- a/Modules/FindXercesC.cmake
+++ b/Modules/FindXercesC.cmake
@@ -4,23 +4,42 @@
 #
 # Find the Apache Xerces-C++ validating XML parser headers and libraries.
 #
-# This module reports information about the Xerces installation in
-# several variables.  General variables::
+# Imported targets
+# ^^^^^^^^^^^^^^^^
 #
-#   XercesC_FOUND - true if the Xerces headers and libraries were found
-#   XercesC_VERSION - Xerces release version
-#   XercesC_INCLUDE_DIRS - the directory containing the Xerces headers
-#   XercesC_LIBRARIES - Xerces libraries to be linked
+# This module defines the following :prop_tgt:`IMPORTED` targets:
 #
-# The following cache variables may also be set::
+# ``XercesC::XercesC``
+#   The Xerces-C++ ``xerces-c`` library, if found.
 #
-#   XercesC_INCLUDE_DIR - the directory containing the Xerces headers
-#   XercesC_LIBRARY - the Xerces library
+# Result variables
+# ^^^^^^^^^^^^^^^^
+#
+# This module will set the following variables in your project:
+#
+# ``XercesC_FOUND``
+#   true if the Xerces headers and libraries were found
+# ``XercesC_VERSION``
+#   Xerces release version
+# ``XercesC_INCLUDE_DIRS``
+#   the directory containing the Xerces headers
+# ``XercesC_LIBRARIES``
+#   Xerces libraries to be linked
+#
+# Cache variables
+# ^^^^^^^^^^^^^^^
+#
+# The following cache variables may also be set:
+#
+# ``XercesC_INCLUDE_DIR``
+#   the directory containing the Xerces headers
+# ``XercesC_LIBRARY``
+#   the Xerces library
 
 # Written by Roger Leigh <rleigh@codelibre.net>
 
 #=============================================================================
-# Copyright 2014 University of Dundee
+# Copyright 2014-2015 University of Dundee
 #
 # Distributed under the OSI-approved BSD License (the "License");
 # see accompanying file Copyright.txt for details.
@@ -90,4 +109,32 @@ FIND_PACKAGE_HANDLE_STANDARD_ARGS(XercesC
 if(XercesC_FOUND)
   set(XercesC_INCLUDE_DIRS "${XercesC_INCLUDE_DIR}")
   set(XercesC_LIBRARIES "${XercesC_LIBRARY}")
+
+  # For header-only libraries
+  if(NOT TARGET XercesC::XercesC)
+    add_library(XercesC::XercesC UNKNOWN IMPORTED)
+    if(XercesC_INCLUDE_DIRS)
+      set_target_properties(XercesC::XercesC PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${XercesC_INCLUDE_DIRS}")
+    endif()
+    if(EXISTS "${XercesC_LIBRARY}")
+      set_target_properties(XercesC::XercesC PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
+        IMPORTED_LOCATION "${XercesC_LIBRARY}")
+    endif()
+    if(EXISTS "${XercesC_LIBRARY_DEBUG}")
+      set_property(TARGET XercesC::XercesC APPEND PROPERTY
+        IMPORTED_CONFIGURATIONS DEBUG)
+      set_target_properties(XercesC::XercesC PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
+        IMPORTED_LOCATION_DEBUG "${XercesC_LIBRARY_DEBUG}")
+    endif()
+    if(EXISTS "${XercesC_LIBRARY_RELEASE}")
+      set_property(TARGET XercesC::XercesC APPEND PROPERTY
+        IMPORTED_CONFIGURATIONS RELEASE)
+      set_target_properties(XercesC::XercesC PROPERTIES
+        IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
+        IMPORTED_LOCATION_RELEASE "${XercesC_LIBRARY_RELEASE}")
+    endif()
+  endif()
 endif()