From 3bf611c72a5527f4d30de17db22bd6b8814909de Mon Sep 17 00:00:00 2001
From: Nicky <sl.nicky.ml@googlemail.com>
Date: Thu, 14 Feb 2019 19:47:51 +0100
Subject: [PATCH] Logic to find KDU qhwn building standalone.

---
 indra/cmake/LLKDU.cmake | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/indra/cmake/LLKDU.cmake b/indra/cmake/LLKDU.cmake
index e478b01f84..84244f0380 100644
--- a/indra/cmake/LLKDU.cmake
+++ b/indra/cmake/LLKDU.cmake
@@ -8,14 +8,24 @@ if (INSTALL_PROPRIETARY)
 endif (INSTALL_PROPRIETARY)
 
 if (USE_KDU)
-  include(Prebuilt)
-  use_prebuilt_binary(kdu)
-  if (WINDOWS)
-    set(KDU_LIBRARY kdu.lib)
-  else (WINDOWS)
-    set(KDU_LIBRARY libkdu.a)
-  endif (WINDOWS)
-  set(KDU_INCLUDE_DIR ${AUTOBUILD_INSTALL_DIR}/include/kdu)
-  set(LLKDU_INCLUDE_DIRS ${LIBS_OPEN_DIR}/llkdu)
-  set(LLKDU_LIBRARIES llkdu)
+  if (USESYSTEMLIBS)
+    find_path( KDU_INCLUDE_DIR kdu/kdu_image.h )
+    find_library( KDU_LIBRARY kdu_x64 )
+    if ( NOT KDU_LIBRARY OR NOT KDU_INCLUDE_DIR )
+      message(FATAL_ERROR "Cannot find KDU: Library '${KDU_LIBRARY}'; header '${KDU_INCLUDE_DIR}' ")
+    endif()
+    set( KDU_INCLUDE_DIR ${KDU_INCLUDE_DIR}/kdu )
+    set( LLKDU_LIBRARIES llkdu )
+  else()
+    include(Prebuilt)
+    use_prebuilt_binary(kdu)
+    if (WINDOWS)
+      set(KDU_LIBRARY kdu.lib)
+    else (WINDOWS)
+      set(KDU_LIBRARY libkdu.a)
+    endif (WINDOWS)
+    set(KDU_INCLUDE_DIR ${AUTOBUILD_INSTALL_DIR}/include/kdu)
+    set(LLKDU_INCLUDE_DIRS ${LIBS_OPEN_DIR}/llkdu)
+    set(LLKDU_LIBRARIES llkdu)
+  endif()
 endif (USE_KDU)