[LyX/master] Cmake build: Remove use of policies which will be deprecated in near future

[Kornel Benko]

commit d74c43e7a307d381e71251d5e376f8629e5aa3d9
Author: Kornel Benko <kor...@lyx.org>
Date:   Sun Apr 30 18:12:13 2017 +0200

    Cmake build: Remove use of policies which will be deprecated in near future
    
    In order to prevent unpleasant surprises later.
    (Cmake 3.8 already emits now warnings here.)
---
 CMakeLists.txt |   10 +---------
 1 files changed, 1 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index da0776e..77607e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,16 +37,8 @@ set(LYX_TESTS_USERDIR "${TOP_BINARY_DIR}/Testing/.lyx")
 file(MAKE_DIRECTORY "${LYX_TESTS_USERDIR}")
 
 if(COMMAND cmake_policy)
-       cmake_policy(SET CMP0003 OLD)
-       cmake_policy(SET CMP0005 OLD)
        # Installing MACOSX_BUNDLE targets requires a BUNDLE DESTINATION
        cmake_policy(SET CMP0006 NEW)
-       if(POLICY CMP0020)
-               cmake_policy(SET CMP0020 OLD)
-       endif()
-       if(POLICY CMP0028)
-               cmake_policy(SET CMP0028 OLD)
-       endif()
        if(POLICY CMP0043)
                # COMPILE_DEFINITIONS are not used yet. Enable new behavior.
                cmake_policy(SET CMP0043 NEW)
@@ -797,7 +789,7 @@ else()
        if(NOT LYX_USE_STD_REGEX)
                set(Lyx_Boost_Libraries boost_regex)
        endif()
-       add_definitions(-DBOOST_USER_CONFIG="<config.h>")
+       add_definitions(-DBOOST_USER_CONFIG=<config.h>)
        include_directories(${TOP_SRC_DIR}/3rdparty/boost)
        add_subdirectory(3rdparty/boost "${TOP_BINARY_DIR}/3rdparty/boost")
 endif()