minor changes

2 files changed, 38 insertions, 5 deletions

diff --git a/mixutils/mixvm_command.c b/mixutils/mixvm_command.c
index 516bd68..e1c03bf 100644
--- a/mixutils/mixvm_command.c
+++ b/mixutils/mixvm_command.c
@@ -24,8 +24,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
-#include <readline/readline.h>
-#include <readline/history.h>
+
+#include <mixlib/mix.h>
+
+#ifdef HAVE_LIBREADLINE
+#  include <readline/readline.h>
+#  include <readline/history.h>
+#else
+  typedef int Function ();
+#endif /* HAVE_LIBREADLINE */
 
 #include <mixlib/mix_vm.h>
 #include <mixlib/mix_vm_dump.h>
@@ -70,6 +77,7 @@ static const char *mix_commands_[ALL_COMMANDS_NO_] = {NULL};
 
 
 
+#ifdef HAVE_LIBREADLINE
 /* readline functions */
 static char *
 mixvm_cmd_generator_ (char *text, int state);
@@ -125,6 +133,7 @@ mixvm_cmd_generator_ (char *text, int state)
   /* If no names matched, then return NULL. */
   return ((char *)NULL);
 }
+#endif /* HAVE_LIBREADLINE */
 
 /* command functions */
 static COMMAND *
@@ -281,8 +290,12 @@ mixvm_cmd_init (char *arg, gboolean use_emacs)
   for (k = 0; k < MIX_CMD_INVALID; ++k)
     mix_commands_[k + LOCAL_COMANDS_NO_] = mix_vm_command_to_string (k);
   mix_commands_[ALL_COMMANDS_NO_ - 1] = NULL;
+
+#ifdef HAVE_LIBREADLINE
   /* Tell the completer that we want a crack first. */
   rl_attempted_completion_function = (CPPFunction *)mixvm_cmd_completion_;
+#endif /* HAVE_LIBREADLINE */
+
   /* initialise the dispatcher */
   dis_ = mix_vm_cmd_dispatcher_new (stdout, stderr);
 
diff --git a/mixutils/mixvm_loop.c b/mixutils/mixvm_loop.c
index 8a571d8..a565832 100644
--- a/mixutils/mixvm_loop.c
+++ b/mixutils/mixvm_loop.c
@@ -20,13 +20,33 @@
  */
 
 
+#define _GNU_SOURCE 1
+#include <stdio.h>
 
 #include <mixlib/mix.h>
-#include <stdio.h>
-#include <readline/readline.h>
-#include <readline/history.h>
 #include "mixvm_command.h"
 
+#ifdef HAVE_LIBHISTORY
+#  include <readline/history.h>
+#else
+#  define add_history(x) ((void)0)
+#endif
+
+#ifdef HAVE_LIBREADLINE
+#  include <readline/readline.h>
+#else /* !HAVE_LIBREADLINE */
+static char *
+readline (char *prompt)
+{
+  char *line = NULL;
+  size_t s = 0;
+  
+  printf ("%s", prompt);
+  getline (&line, &s, stdin);
+  return line;
+}
+#endif /* HAVE_LIBREADLINE */
+
 /* A static variable for holding the line. */
 static char *line_read = (char *)NULL;
 static const char *PROMPT = N_("MIX > ");