Resolve dependent libraries for libedit/readline

When linking static libedit/readline to extension, dependencies should
be also linked separately. For now this is not a relevant problem here.
Also, currently listed dependent libraries are outdated.

Author: petk

cmake/ext/readline/CMakeLists.txt

@@ -209,43 +209,3 @@ else()
 endif()
 
 configure_file(cmake/config.h.in config.h)
-
-# TODO: Editline/Readline dependent libraries shouldn't be linked on this level.
-# Recheck if this is really needed. Either move to find modules or remove it.
-# Also, for example, Editline with Autoconf integration has even more thorough
-# dependencies checked in current version.
-
-#[[
-set(CURSES_NEED_NCURSES TRUE)
-find_package(Curses)
-set_package_properties(
-  Curses
-  PROPERTIES
-    TYPE REQUIRED
-    PURPOSE "Necessary to enable the readline extension."
-)
-
-# The CMake's Curses find module, doesn't define IMPORTED target yet.
-if(CURSES_FOUND AND NOT TARGET Curses::Curses)
-  add_library(Curses::Curses INTERFACE IMPORTED)
-
-  set_target_properties(
-    Curses::Curses
-    PROPERTIES
-      INTERFACE_LINK_LIBRARIES "${CURSES_LIBRARIES}"
-      INTERFACE_INCLUDE_DIRECTORIES "${CURSES_INCLUDE_DIRS}"
-      INTERFACE_COMPILE_OPTIONS "${CURSES_CFLAGS}"
-  )
-endif()
-
-target_link_libraries(php_ext_readline PRIVATE Curses::Curses)
-
-# TODO: Check for the obsolescent termcap library more properly.
-if(NOT CURSES_FOUND)
-  check_library_exists(termcap, tgetent "" _have_termcap_library)
-
-  if(_have_termcap_library)
-    target_link_libraries(php_ext_readline PRIVATE termcap)
-  endif()
-endif()
-]]#