[LyX/master] Cmake build: Map '\origin unavailable' to appropriate value on install

[Kornel Benko]

commit afaf28964aa1c7ee4e3848644f71bf8b9ee4f6c6
Author: Kornel Benko <kor...@lyx.org>
Date:   Sun Dec 13 16:08:27 2015 +0100

    Cmake build: Map '\origin unavailable' to appropriate value on install
    
    For example for lib/doc.de/xyzzy.lyx the entry is changed to
        \origin /systemlyxdir/doc/de/

diff --git a/development/cmake/doc/CMakeLists.txt 
b/development/cmake/doc/CMakeLists.txt
index 7d9eef3..9391e2c 100644
--- a/development/cmake/doc/CMakeLists.txt
+++ b/development/cmake/doc/CMakeLists.txt
@@ -30,7 +30,11 @@ foreach(_rel_doc ${_rel_lyx_docs})
   SET_SOURCE_FILES_PROPERTIES(${_created_doc} GENERATED)
   add_custom_command(
     OUTPUT "${_created_doc}"
-    COMMAND ${LYX_PYTHON_EXECUTABLE} "${TOP_CMAKE_PATH}/doc/ReplaceValues.py" 
"LYX_USERDIR_VER=${LYX_USERDIR_VER}" "LYX_DIR_VER=${LYX_DIR_VER}" 
"${TOP_SRC_DIR}/lib/doc/${_rel_doc}" > "${_created_doc}"
+    COMMAND ${LYX_PYTHON_EXECUTABLE} "${TOP_CMAKE_PATH}/doc/ReplaceValues.py"
+      "LYX_USERDIR_VER=${LYX_USERDIR_VER}"
+      "LYX_DIR_VER=${LYX_DIR_VER}"
+      "\\origin\ unavailable=\\origin\ /systemlyxdir/doc/${_rel_dir_part}"
+      "${TOP_SRC_DIR}/lib/doc/${_rel_doc}" > "${_created_doc}"
     DEPENDS "${TOP_SRC_DIR}/lib/doc/${_rel_doc}" 
"${TOP_CMAKE_PATH}/doc/ReplaceValues.py"
     )
   install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${_rel_doc}" DESTINATION 
"${LYX_DATA_SUBDIR}doc/${_rel_dir_part}")