move cmake endianess detection to proper place and actually USE it
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a13546e..342ff91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,10 @@
 Then, run cmake again.")
 ENDIF()
 
+INCLUDE (TestBigEndian)
+TEST_BIG_ENDIAN(endianess)
+SET ( PLIST_BYTE_ORDER ${endianess} )
+
 ADD_SUBDIRECTORY( libcnary )
 ADD_SUBDIRECTORY( src )
 ADD_SUBDIRECTORY( plutil )
@@ -49,10 +53,6 @@
 	ADD_SUBDIRECTORY( swig )
 ENDIF ( SWIG_FOUND AND PYTHONLIBS_FOUND AND PYTHONINTERP_FOUND )
 
-INCLUDE (TestBigEndian)
-TEST_BIG_ENDIAN(endianess)
-SET ( PLIST_BYTE_ORDER ${endianess} )
-
 # add uninstall target
 CONFIGURE_FILE(	"${CMAKE_SOURCE_DIR}/cmake/modules/cmake_uninstall.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
 ADD_CUSTOM_TARGET(uninstall "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a0d6179..0de4c8c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -34,6 +34,7 @@
 
 SET_SOURCE_FILES_PROPERTIES(${libcnary_object_files} PROPERTIES EXTERNAL_OBJECT true GENERATED true)
 
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLIST_BYTE_ORDER=${PLIST_BYTE_ORDER}")
 ADD_LIBRARY( plist SHARED ${libplist_SRC} ${libcnary_object_files} )
 TARGET_LINK_LIBRARIES( plist ${LIBXML2_LIBRARIES} )
 SET_TARGET_PROPERTIES( plist PROPERTIES VERSION ${LIBPLIST_LIBVERSION} )