link libreadline already in readplus, not later in libfrida

pub/cmake/modules/FindReadline.cmake

-# - Try to find READLINE
+# Try to find READLINE
 # Once done this will define
 #
 # READLINE_FOUND - system has READLINE
 # READLINE_INCLUDE_DIR - the READLINE include directory
 # READLINE_LIBRARIES - Link these to use READLINE
 # READLINE_NEED_PREFIX - this is set if the functions are prefixed with BZ2_
-#=============================================================================
-# Copyright 2006-2009 Kitware, Inc.
-# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
-#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
-#
-# This software is distributed WITHOUT ANY WARRANTY; without even the
-# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the License for more information.
-#=============================================================================
-# (To distribute this file outside of CMake, substitute the full
-# License text for the above reference.)
-find_path(READLINE_INCLUDE_DIR readline/readline.h )
-find_library(READLINE_LIBRARIES NAMES readline history READLINE )
-# handle the QUIETLY and REQUIRED arguments and set READLINE_FOUND to TRUE if
-# all listed variables are TRUE
+
+find_path(READLINE_INCLUDE_DIR readline/readline.h)
+find_library(READLINE_LIBRARIES NAMES readline history READLINE)
+
+# handle the QUIETLY and REQUIRED arguments and set READLINE_FOUND
 include(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(READLINE DEFAULT_MSG READLINE_LIBRARIES READLINE_INCLUDE_DIR)
-IF (READLINE_FOUND)
-include(CheckLibraryExists)
-CHECK_LIBRARY_EXISTS(${READLINE_LIBRARIES} rl_initialize "" READLINE_NEED_PREFIX)
-ENDIF (READLINE_FOUND)
+find_package_handle_standard_args(READLINE DEFAULT_MSG READLINE_LIBRARIES READLINE_INCLUDE_DIR)
+if(READLINE_FOUND)
+    include(CheckLibraryExists)
+    check_library_exists(${READLINE_LIBRARIES} rl_initialize "" READLINE_NEED_PREFIX)
+endif(READLINE_FOUND)
+message(STATUS "READLINE_INCLUDE_DIR=${READLINE_INCLUDE_DIR}")
+message(STATUS "READLINE_LIBRARIES=${READLINE_LIBRARIES}")
 mark_as_advanced(READLINE_INCLUDE_DIR READLINE_LIBRARIES)
\ No newline at end of file

pub/lib/CMakeLists.txt

@@ -95,7 +95,6 @@ ${LIBKWW_LIBS}
 ${LIBCERF_LIBS}
 ${YAMLCPP_LIBRARY}
 ${LIBLMFIT_LIBS}
-${READLINE_LIBRARIES}
 )
 
 install(TARGETS libfrida DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)

pub/readplus/CMakeLists.txt

 # frida: readplus/CMakeLists.txt
 
-include_directories(${Frida_SOURCE_DIR}/readplus ${CMAKE_CURRENT_BINARY_DIR})
+include_directories(${Frida_SOURCE_DIR}/readplus READLINE_INCLUDE_DIR)
 
 set(src_files
 ask.cpp
@@ -20,7 +20,6 @@ ${src_files}
 
 set_target_properties(libreadplus PROPERTIES OUTPUT_NAME readplus)
 
-target_link_libraries(libreadplus
-)
+target_link_libraries(libreadplus ${READLINE_LIBRARIES})
 
 install(TARGETS libreadplus DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)