Add readline code so debugger works

CMake/FindReadline.cmake

@@ -0,0 +1,29 @@
+# from http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/FindReadline.cmake
+# http://websvn.kde.org/trunk/KDE/kdeedu/cmake/modules/COPYING-CMAKE-SCRIPTS
+# --> BSD licensed
+#
+# GNU Readline library finder
+if(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+  set(READLINE_FOUND TRUE)
+else(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)
+  FIND_PATH(READLINE_INCLUDE_DIR readline/readline.h
+    /usr/include/readline
+  )
+
+# 2008-04-22 The next clause used to read like this:
+#
+#  FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
+#        FIND_LIBRARY(NCURSES_LIBRARY NAMES ncurses )
+#        include(FindPackageHandleStandardArgs)
+#        FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG NCURSES_LIBRARY READLINE_INCLUDE_DIR READLINE_LIBRARY )
+#
+# I was advised to modify it such that it will find an ncurses library if
+# required, but not if one was explicitly given, that is, it allows the
+# default to be overridden. PH 
+
+  FIND_LIBRARY(READLINE_LIBRARY NAMES readline)
+        include(FindPackageHandleStandardArgs)
+        FIND_PACKAGE_HANDLE_STANDARD_ARGS(Readline DEFAULT_MSG READLINE_INCLUDE_DIR READLINE_LIBRARY )
+
+  MARK_AS_ADVANCED(READLINE_INCLUDE_DIR READLINE_LIBRARY)
+endif(READLINE_INCLUDE_DIR AND READLINE_LIBRARY AND NCURSES_LIBRARY)

CMake/HPHPFindLibs.cmake

@@ -169,6 +169,14 @@ include_directories(${ONIGURUMA_INCLUDE_DIRS})
 find_package(Ldap REQUIRED)
 include_directories(${LDAP_INCLUDE_DIR})
 
+# ncuses, readline and history
+find_package(Curses REQUIRED)
+include_directories(${CURSES_INCLUDE_PATH})
+
+find_package(Readline REQUIRED)
+include_directories(${READLINE_INCLUDE_DIR})
+
+
 
 FIND_LIBRARY (CRYPT_LIB crypt)
 FIND_LIBRARY (RESOLV_LIB resolv)
@@ -251,4 +259,8 @@ macro(hphp_link target)
 
 	target_link_libraries(${target} afdt)
 	target_link_libraries(${target} mbfl)
+
+	target_link_libraries(${target} ${READLINE_LIBRARY})
+	target_link_libraries(${target} ${CURSES_LIBRARIES})
+
 endmacro()