patch for readline 5.0 [Howard B. Golden]

diff --git a/ginsh/ginsh_parser.yy b/ginsh/ginsh_parser.yy
index 447d70868b431c030741354f5e0a554d147bff92..a93808e8a0c12838c0ed1e6ba12b235d5ec388e9 100644 (file)
--- a/ginsh/ginsh_parser.yy
+++ b/ginsh/ginsh_parser.yy
@@ -50,6 +50,12 @@ static char *orig_basic_word_break_characters;
 static const char *orig_basic_word_break_characters;
 #endif
 
+#if (GINAC_RL_VERSION_MAJOR >= 5)
+#define GINAC_RL_COMPLETER_CAST(a) const_cast<char *>((a))
+#else
+#define GINAC_RL_COMPLETER_CAST(a) (a)
+#endif
+
 // Expression stack for %, %% and %%%
 static void push(const ex &e);
 static ex exstack[3];
@@ -817,7 +823,7 @@ static char **fcn_completion(const char *text, int start, int end)
                // For shell commands, revert back to filename completion
                rl_completion_append_character = orig_completion_append_character;
                rl_basic_word_break_characters = orig_basic_word_break_characters;
-               rl_completer_word_break_characters = rl_basic_word_break_characters;
+               rl_completer_word_break_characters = GINAC_RL_COMPLETER_CAST(rl_basic_word_break_characters);
 #if (GINAC_RL_VERSION_MAJOR < 4) || (GINAC_RL_VERSION_MAJOR == 4 && GINAC_RL_VERSION_MINOR < 2)
                return completion_matches(const_cast<char *>(text), (CPFunction *)filename_completion_function);
 #else
@@ -827,7 +833,7 @@ static char **fcn_completion(const char *text, int start, int end)
                // Otherwise, complete function names
                rl_completion_append_character = '(';
                rl_basic_word_break_characters = " \t\n\"#$%&'()*+,-./:;<=>?@[\\]^`{|}~";
-               rl_completer_word_break_characters = rl_basic_word_break_characters;
+               rl_completer_word_break_characters = GINAC_RL_COMPLETER_CAST(rl_basic_word_break_characters);
 #if (GINAC_RL_VERSION_MAJOR < 4) || (GINAC_RL_VERSION_MAJOR == 4 && GINAC_RL_VERSION_MINOR < 2)
                return completion_matches(const_cast<char *>(text), (CPFunction *)fcn_generator);
 #else