Fix some configuration dependencies, warnings, back up some previous changes that weren't really necessary

interpreters/bas/Kconfig

@@ -6,6 +6,9 @@
 config INTERPRETERS_BAS
 	bool "Basic Interpreter support"
 	default n
+	select SCHED_WAITPID
+	select LIBC_EXECFUNCS
+	depends on FS_READABLE
 	---help---
 		This is a Basic interpreter written by Michael Haardt
 

interpreters/bas/getopt.c

@@ -41,6 +41,7 @@ USA.  */
 #endif
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 
 /* Comment out all this code if we are using the GNU C Library, and are not
@@ -206,15 +207,7 @@ static char *posixly_correct;
 #define my_index  strchr
 #else
 
-/* Avoid depending on library functions or files
-   whose names are inconsistent.  */
-
-char *getenv ();
-
-static char *
-my_index (str, chr)
-     const char *str;
-     int chr;
+static char *my_index(const char *str, int chr)
 {
   while (*str)
     {
@@ -698,6 +691,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
               else
                 {
                   if (opterr)
+                  {
                    if (argv[optind - 1][1] == '-')
                     /* --option */
                     fprintf (stderr,
@@ -708,7 +702,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
                     fprintf (stderr,
                      _("%s: option `%c%s' doesn't allow an argument\n"),
                      argv[0], argv[optind - 1][0], pfound->name);
-
+                  }
                   nextchar += strlen (nextchar);
 
                   optopt = pfound->val;

interpreters/bas/statement.c

@@ -1,6 +1,4 @@
 /* #includes */ /*{{{C}}}*//*{{{*/
-#include <sys/wait.h>
-#include <unistd.h>
 #include "config.h"
 
 #ifdef HAVE_GETTEXT