app: test G_OS_WIN32 rather than G_OS_UNIX for new backtrace feature.

This is just a bit more consistent with existing code. Also build the
gimpdebug tool only when GIMP_CONSOLE_COMPILATION is not set and run
when --no-interface CLI option is not set since it is a GUI tool.

app/dialogs/preferences-dialog.c

@@ -1176,7 +1176,7 @@ prefs_dialog_new (Gimp       *gimp,
                           _("Use OpenCL"),
                           GTK_BOX (vbox2));
 
-#ifdef G_OS_UNIX
+#ifndef G_OS_WIN32
   vbox2 = prefs_frame_new (_("Debugging"), GTK_CONTAINER (vbox),
                            FALSE);
 

app/errors.c

@@ -277,8 +277,8 @@ gimp_eek (const gchar *reason,
 
   if (use_handler)
     {
-#ifdef G_OS_UNIX
-      if (generate_backtrace)
+#ifndef GIMP_CONSOLE_COMPILATION
+      if (generate_backtrace && ! the_errors_gimp->no_interface)
         {
           /* If enabled (it is disabled by default), the GUI preference
            * takes precedence over the command line argument.
@@ -355,7 +355,7 @@ static gchar *
 gimp_get_stack_trace (void)
 {
   gchar   *trace  = NULL;
-#if defined(G_OS_UNIX)
+#ifndef G_OS_WIN32
   gchar   *args[7] = { "gdb", "-batch", "-ex", "backtrace full",
                        full_prog_name, NULL, NULL };
   gchar   *gdb_stdout;
@@ -371,7 +371,7 @@ gimp_get_stack_trace (void)
   /* This works only on UNIX systems. On Windows, we'll have to find
    * another method, probably with DrMingW.
    */
-#if defined(G_OS_UNIX)
+#ifndef G_OS_WIN32
   g_snprintf (pid, 16, "%u", (guint) getpid ());
   args[5] = pid;
 

tools/Makefile.am

@@ -14,7 +14,11 @@ gimp_debug_resume_SOURCES = gimp-debug-resume.c
 
 else
 
-bin_PROGRAMS = gimptool-2.0 gimpdebug-2.0
+bin_PROGRAMS = gimptool-2.0
+
+if !ENABLE_GIMP_CONSOLE
+bin_PROGRAMS += gimpdebug-2.0
+endif
 
 endif