4 files changed, 19 insertions, 3 deletions
diff --git a/Utilities/cmThirdParty.h.in b/Utilities/cmThirdParty.h.in
index b883284..0cb6809 100644
--- a/Utilities/cmThirdParty.h.in
+++ b/Utilities/cmThirdParty.h.in
@@ -20,6 +20,7 @@
 #cmakedefine CMAKE_USE_SYSTEM_LIBARCHIVE
 #cmakedefine CMAKE_USE_SYSTEM_LIBLZMA
 #cmakedefine CMAKE_USE_SYSTEM_FORM
+#cmakedefine CMAKE_USE_SYSTEM_JSONCPP
 #cmakedefine CTEST_USE_XMLRPC
 
 #endif
diff --git a/Utilities/cm_jsoncpp_reader.h b/Utilities/cm_jsoncpp_reader.h
index d7cb50e..22f2d81 100644
--- a/Utilities/cm_jsoncpp_reader.h
+++ b/Utilities/cm_jsoncpp_reader.h
@@ -13,6 +13,11 @@
 #define cm_jsoncpp_reader_h
 
 /* Use the jsoncpp library configured for CMake.  */
-#include <cmjsoncpp/include/json/reader.h>
+#include "cmThirdParty.h"
+#ifdef CMAKE_USE_SYSTEM_JSONCPP
+# include <json/reader.h>
+#else
+# include <cmjsoncpp/include/json/reader.h>
+#endif
 
 #endif
diff --git a/Utilities/cm_jsoncpp_value.h b/Utilities/cm_jsoncpp_value.h
index 15e1088..b4cf620 100644
--- a/Utilities/cm_jsoncpp_value.h
+++ b/Utilities/cm_jsoncpp_value.h
@@ -13,6 +13,11 @@
 #define cm_jsoncpp_value_h
 
 /* Use the jsoncpp library configured for CMake.  */
-#include <cmjsoncpp/include/json/value.h>
+#include "cmThirdParty.h"
+#ifdef CMAKE_USE_SYSTEM_JSONCPP
+# include <json/value.h>
+#else
+# include <cmjsoncpp/include/json/value.h>
+#endif
 
 #endif
diff --git a/Utilities/cm_jsoncpp_writer.h b/Utilities/cm_jsoncpp_writer.h
index c410369..c99a0d0 100644
--- a/Utilities/cm_jsoncpp_writer.h
+++ b/Utilities/cm_jsoncpp_writer.h
@@ -13,6 +13,11 @@
 #define cm_jsoncpp_writer_h
 
 /* Use the jsoncpp library configured for CMake.  */
-#include <cmjsoncpp/include/json/writer.h>
+#include "cmThirdParty.h"
+#ifdef CMAKE_USE_SYSTEM_JSONCPP
+# include <json/writer.h>
+#else
+# include <cmjsoncpp/include/json/writer.h>
+#endif
 
 #endif