Major rework of the directory structure and the entire build system.

 -Erik

7 files changed, 199 insertions, 105 deletions

diff --git a/shell/Makefile b/shell/Makefile
new file mode 100644
index 000000000..e0229973e
--- /dev/null
+++ b/shell/Makefile
@@ -0,0 +1,40 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+TOPDIR   :=..
+L_TARGET := shell.a
+EXTRA_CFLAGS = -DBB_VER='"$(VERSION)"' -DBB_BT='"$(BUILDTIME)"'
+
+obj-y           :=
+obj-n           :=
+obj-            :=
+
+obj-$(CONFIG_ASH)               += ash.o
+obj-$(CONFIG_HUSH)              += hush.o
+obj-$(CONFIG_LASH)              += lash.o
+obj-$(CONFIG_MSH)               += msh.o
+obj-$(CONFIG_FEATURE_COMMAND_EDITING)           += cmdedit.o
+
+
+# Hand off to toplevel Rules.mak
+include $(TOPDIR)/Rules.mak
+
+clean:
+        rm -f $(L_TARGET) *.o core
+
diff --git a/shell/ash.c b/shell/ash.c
index 486386a25..9cc2208ab 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -265,7 +265,7 @@ union align {
 #define ALIGN(nbytes)   (((nbytes) + sizeof(union align) - 1) & ~(sizeof(union align) - 1))
 #endif
 
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
 #include <locale.h>
 static void change_lc_all(const char *value);
 static void change_lc_ctype(const char *value);
@@ -1218,7 +1218,7 @@ static struct var vpath;
 static struct var vps1;
 static struct var vps2;
 static struct var voptind;
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
 static struct var vlc_all;
 static struct var vlc_ctype;
 #endif
@@ -1261,7 +1261,7 @@ static const struct varinit varinit[] = {
           NULL },
         { &voptind,     VSTRFIXED|VTEXTFIXED,           "OPTIND=1",
           getoptsreset },
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
         { &vlc_all,     VSTRFIXED|VTEXTFIXED|VUNSET,    "LC_ALL=",
           change_lc_all },
         { &vlc_ctype,   VSTRFIXED|VTEXTFIXED|VUNSET,    "LC_CTYPE=",
@@ -1556,7 +1556,7 @@ static int hashcmd (int, char **);
 static int helpcmd (int, char **);
 static int jobscmd (int, char **);
 static int localcmd (int, char **);
-#ifndef BB_PWD
+#ifndef CONFIG_PWD
 static int pwdcmd (int, char **);
 #endif
 static int readcmd (int, char **);
@@ -1582,7 +1582,7 @@ static int typecmd (int, char **);
 static int getoptscmd (int, char **);
 #endif
 
-#ifndef BB_TRUE_FALSE
+#ifndef CONFIG_TRUE_FALSE
 static int true_main (int, char **);
 static int false_main (int, char **);
 #endif
@@ -1653,7 +1653,7 @@ static const struct builtincmd builtincmds[] = {
         { BUILTIN_REGULAR    "let", letcmd },
 #endif
         { BUILTIN_ASSIGN    "local", localcmd },
-#ifndef BB_PWD
+#ifndef CONFIG_PWD
         { BUILTIN_NOSPEC    "pwd", pwdcmd },
 #endif
         { BUILTIN_REGULAR   "read", readcmd },
@@ -1938,7 +1938,7 @@ updatepwd(const char *dir)
 }
 
 
-#ifndef BB_PWD
+#ifndef CONFIG_PWD
 static int
 pwdcmd(argc, argv)
         int argc;
@@ -3182,7 +3182,7 @@ returncmd(argc, argv)
 }
 
 
-#ifndef BB_TRUE_FALSE
+#ifndef CONFIG_TRUE_FALSE
 static int
 false_main(argc, argv)
         int argc;
@@ -3224,7 +3224,7 @@ setinteractive(int on)
         is_interactive = on;
         if (do_banner==0 && is_interactive) {
                 /* Looks like they want an interactive shell */
-#ifndef BB_FEATURE_SH_EXTRA_QUIET 
+#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET 
                 printf( "\n\n" BB_BANNER " Built-in shell (ash)\n");
                 printf( "Enter 'help' for a list of built-in commands.\n\n");
 #endif
@@ -3535,11 +3535,11 @@ tryexec(char *cmd, char **argv, char **envp)
 {
         int e;
 
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         char *name = cmd;
         char** argv_l=argv;
         int argc_l;
-#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
+#ifdef CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
         name = get_last_path_component(name);
 #endif
         argv_l=envp;
@@ -3766,7 +3766,7 @@ static int helpcmd(int argc, char** argv)
                         col = 0;
                 }
         }
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         {
                 extern const struct BB_applet applets[];
                 extern const size_t NUM_APPLETS;
@@ -6023,7 +6023,7 @@ reset(void) {
  * This file implements the input routines used by the parser.
  */
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
 static const char * cmdedit_prompt;
 static inline void putprompt(const char *s) {
     cmdedit_prompt = s;
@@ -6090,7 +6090,7 @@ preadfd(void)
     parsenextc = buf;
 
 retry:
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
         {
             if (!iflag || parsefile->fd)
                     nr = safe_read(parsefile->fd, buf, BUFSIZ - 1);
@@ -7718,7 +7718,7 @@ ash_main(argc, argv)
         EXECCMD = find_builtin("exec");
         EVALCMD = find_builtin("eval");
 
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         unsetenv("PS1");
         unsetenv("PS2");
 #endif
@@ -9331,7 +9331,7 @@ getoptsreset(const char *value)
         shellparam.optoff = -1;
 }
 
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
 static void change_lc_all(const char *value)
 {
         if(value != 0 && *value != 0)
@@ -12730,7 +12730,7 @@ findvar(struct var **vpp, const char *name)
 /*
  * Copyright (c) 1999 Herbert Xu <herbert@debian.org>
  * This file contains code for the times builtin.
- * $Id: ash.c,v 1.28 2001/10/19 00:22:22 andersen Exp $
+ * $Id: ash.c,v 1.29 2001/10/24 05:00:16 andersen Exp $
  */
 static int timescmd (int argc, char **argv)
 {
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index 16ec2f823..d1b9111ea 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -43,7 +43,7 @@
 
 #include "busybox.h"
 
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
 #define Isprint(c) isprint((c))
 #else
 #define Isprint(c) ( (c) >= ' ' && (c) != ((unsigned char)'\233') )
@@ -55,32 +55,32 @@
 
 #else
 
-#define BB_FEATURE_COMMAND_EDITING
-#define BB_FEATURE_COMMAND_TAB_COMPLETION
-#define BB_FEATURE_COMMAND_USERNAME_COMPLETION
-#define BB_FEATURE_NONPRINTABLE_INVERSE_PUT
-#define BB_FEATURE_CLEAN_UP
+#define CONFIG_FEATURE_COMMAND_EDITING
+#define CONFIG_FEATURE_COMMAND_TAB_COMPLETION
+#define CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
+#define CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
+#define CONFIG_FEATURE_CLEAN_UP
 
 #define D(x)  x
 
 #endif                                                  /* TEST */
 
-#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
 #include <dirent.h>
 #include <sys/stat.h>
 #endif
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
 
-#ifndef BB_FEATURE_COMMAND_TAB_COMPLETION
-#undef  BB_FEATURE_COMMAND_USERNAME_COMPLETION
+#ifndef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
+#undef  CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
 #endif
 
-#if defined(BB_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(BB_FEATURE_SH_FANCY_PROMPT)
-#define BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#if defined(CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION) || defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
+#define CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
 #endif
 
-#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
 #       ifndef TEST
 #               include "pwd_grp/pwd.h"
 #       else
@@ -136,33 +136,33 @@ static int cursor;		/* required global for signal handler */
 static int len;                 /* --- "" - - "" - -"- --""-- --""--- */
 static char *command_ps;        /* --- "" - - "" - -"- --""-- --""--- */
 static
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         const
 #endif
 char *cmdedit_prompt;           /* --- "" - - "" - -"- --""-- --""--- */
 
-#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
 static char *user_buf = "";
 static char *home_pwd_buf = "";
 static int my_euid;
 #endif
 
-#ifdef BB_FEATURE_SH_FANCY_PROMPT
+#ifdef CONFIG_FEATURE_SH_FANCY_PROMPT
 static char *hostname_buf = "";
 static int num_ok_lines = 1;
 #endif
 
 
-#ifdef  BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef  CONFIG_FEATURE_COMMAND_TAB_COMPLETION
 
-#ifndef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifndef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
 static int my_euid;
 #endif
 
 static int my_uid;
 static int my_gid;
 
-#endif  /* BB_FEATURE_COMMAND_TAB_COMPLETION */
+#endif  /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
 
 /* It seems that libc5 doesn't know what a sighandler_t is... */
 #if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
@@ -207,7 +207,7 @@ static void cmdedit_reset_term(void)
                 handlers_sets &= ~SET_WCHG_HANDLERS;
         }
         fflush(stdout);
-#ifdef BB_FEATURE_CLEAN_UP
+#ifdef CONFIG_FEATURE_CLEAN_UP
         if (his_front) {
                 struct history *n;
 
@@ -230,7 +230,7 @@ static void cmdedit_set_out_char(int next_char)
 
         if (c == 0)
                 c = ' ';        /* destroy end char? */
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
         if (!Isprint(c)) {      /* Inverse put non-printable characters */
                 if (c >= 128)
                         c -= 128;
@@ -321,7 +321,7 @@ static void put_prompt(void)
         cmdedit_y = 0;                  /* new quasireal y */
 }
 
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
 static void parse_prompt(const char *prmt_ptr)
 {
         cmdedit_prompt = prmt_ptr;
@@ -359,7 +359,7 @@ static void parse_prompt(const char *prmt_ptr)
                                 break;
                           c = *prmt_ptr++;
                           switch (c) {
-#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
                           case 'u':
                                 pbuf = user_buf;
                                 break;
@@ -382,7 +382,7 @@ static void parse_prompt(const char *prmt_ptr)
                           case '$':
                                 c = my_euid == 0 ? '#' : '$';
                                 break;
-#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
                           case 'w':
                                 pbuf = pwd_buf;
                                 l = strlen(home_pwd_buf);
@@ -526,7 +526,7 @@ static void cmdedit_init(void)
         }
 
         if ((handlers_sets & SET_ATEXIT) == 0) {
-#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifdef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
                 struct passwd *entry;
 
                 my_euid = geteuid();
@@ -537,20 +537,20 @@ static void cmdedit_init(void)
                 }
 #endif
 
-#ifdef  BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef  CONFIG_FEATURE_COMMAND_TAB_COMPLETION
 
-#ifndef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
+#ifndef CONFIG_FEATURE_GETUSERNAME_AND_HOMEDIR
                 my_euid = geteuid();
 #endif
                 my_uid = getuid();
                 my_gid = getgid();
-#endif  /* BB_FEATURE_COMMAND_TAB_COMPLETION */
+#endif  /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
                 handlers_sets |= SET_ATEXIT;
                 atexit(cmdedit_reset_term);     /* be sure to do this only once */
         }
 }
 
-#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
 
 static int is_execute(const struct stat *st)
 {
@@ -561,7 +561,7 @@ static int is_execute(const struct stat *st)
         return FALSE;
 }
 
-#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
 
 static char **username_tab_completion(char *ud, int *num_matches)
 {
@@ -623,7 +623,7 @@ static char **username_tab_completion(char *ud, int *num_matches)
                 return (matches);
         }
 }
-#endif  /* BB_FEATURE_COMMAND_USERNAME_COMPLETION */
+#endif  /* CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION */
 
 enum {
         FIND_EXE_ONLY = 0,
@@ -720,7 +720,7 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
                 strcpy(dirbuf, command);
                 /* set dir only */
                 dirbuf[(pfind - command) + 1] = 0;
-#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
                 if (dirbuf[0] == '~')   /* ~/... or ~user/... */
                         username_tab_completion(dirbuf, 0);
 #endif
@@ -826,12 +826,12 @@ static int find_match(char *matchBuf, int *len_with_quotes)
                         collapse_pos(j, j + 1);
                         int_buf[j] |= QUOT;
                         i++;
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
                         if (matchBuf[i] == '\t')        /* algorithm equivalent */
                                 int_buf[j] = ' ' | QUOT;
 #endif
                 }
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
                 else if (matchBuf[i] == '\t')
                         int_buf[j] = ' ';
 #endif
@@ -1000,7 +1000,7 @@ static void input_tab(int *lastWasTab)
                 /* Free up any memory already allocated */
                 input_tab(0);
 
-#ifdef BB_FEATURE_COMMAND_USERNAME_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
                 /* If the word starts with `~' and there is no slash in the word,
                  * then try completing this word as a username. */
 
@@ -1119,7 +1119,7 @@ static void input_tab(int *lastWasTab)
                 }
         }
 }
-#endif  /* BB_FEATURE_COMMAND_TAB_COMPLETION */
+#endif  /* CONFIG_FEATURE_COMMAND_TAB_COMPLETION */
 
 static void get_previous_history(struct history **hp, struct history *p)
 {
@@ -1232,7 +1232,7 @@ int cmdedit_read_input(char *prompt, char command[BUFSIZ])
                          * if the len=0 and no chars to delete */
                         if (len == 0) {
 prepare_to_die:
-#if !defined(BB_ASH)
+#if !defined(CONFIG_ASH)
                                 printf("exit");
                                 goto_new_line();
                                 /* cmdedit_reset_term() called in atexit */
@@ -1259,7 +1259,7 @@ prepare_to_die:
                         input_backspace();
                         break;
                 case '\t':
-#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
                         input_tab(&lastWasTab);
 #endif
                         break;
@@ -1299,7 +1299,7 @@ prepare_to_die:
                                         goto prepare_to_die;
                         }
                         switch (c) {
-#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
+#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
                         case '\t':                      /* Alt-Tab */
 
                                 input_tab(&lastWasTab);
@@ -1367,7 +1367,7 @@ prepare_to_die:
                 }
 
                 default:        /* If it's regular input, do the normal thing */
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
                         /* Control-V -- Add non-printable symbol */
                         if (c == 22) {
                                 if (safe_read(0, &c, 1) < 1)
@@ -1457,7 +1457,7 @@ prepare_to_die:
                                 history_counter++;
                         }
                 }
-#if defined(BB_FEATURE_SH_FANCY_PROMPT)
+#if defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
                 num_ok_lines++;
 #endif
         }
@@ -1465,10 +1465,10 @@ prepare_to_die:
         command[len++] = '\n';          /* set '\n' */
         command[len] = 0;
         }
-#if defined(BB_FEATURE_CLEAN_UP) && defined(BB_FEATURE_COMMAND_TAB_COMPLETION)
+#if defined(CONFIG_FEATURE_CLEAN_UP) && defined(CONFIG_FEATURE_COMMAND_TAB_COMPLETION)
         input_tab(0);                           /* strong free */
 #endif
-#if defined(BB_FEATURE_SH_FANCY_PROMPT)
+#if defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
         free(cmdedit_prompt);
 #endif
         cmdedit_reset_term();
@@ -1477,7 +1477,7 @@ prepare_to_die:
 
 
 
-#endif  /* BB_FEATURE_COMMAND_EDITING */
+#endif  /* CONFIG_FEATURE_COMMAND_EDITING */
 
 
 #ifdef TEST
@@ -1485,7 +1485,7 @@ prepare_to_die:
 const char *applet_name = "debug stuff usage";
 const char *memory_exhausted = "Memory exhausted";
 
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
 #include <locale.h>
 #endif
 
@@ -1493,7 +1493,7 @@ int main(int argc, char **argv)
 {
         char buff[BUFSIZ];
         char *prompt =
-#if defined(BB_FEATURE_SH_FANCY_PROMPT)
+#if defined(CONFIG_FEATURE_SH_FANCY_PROMPT)
                 "\\[\\033[32;1m\\]\\u@\\[\\x1b[33;1m\\]\\h:\
 \\[\\033[34;1m\\]\\w\\[\\033[35;1m\\] \
 \\!\\[\\e[36;1m\\]\\$ \\[\\E[0m\\]";
@@ -1501,7 +1501,7 @@ int main(int argc, char **argv)
                 "% ";
 #endif
 
-#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
+#ifdef CONFIG_FEATURE_NONPRINTABLE_INVERSE_PUT
         setlocale(LC_ALL, "");
 #endif
         while(1) {
diff --git a/shell/config.in b/shell/config.in
new file mode 100644
index 000000000..e33669a7b
--- /dev/null
+++ b/shell/config.in
@@ -0,0 +1,51 @@
+#
+# For a description of the syntax of this configuration file,
+# see scripts/kbuild/config-language.txt.
+#
+
+mainmenu_option next_comment
+comment 'Bourne Shell'
+
+choice 'Choose your default shell' \
+    "ash                                    CONFIG_FEATURE_SH_IS_ASH  \
+    hush                                    CONFIG_FEATURE_SH_IS_HUSH \
+    lash                                    CONFIG_FEATURE_SH_IS_LASH \
+    msh                                     CONFIG_FEATURE_SH_IS_MSH  \
+    none                                    CONFIG_FEATURE_SH_IS_NONE"
+
+if [ "$CONFIG_FEATURE_SH_IS_ASH" = "y" ] ; then
+        define_bool CONFIG_ASH  y
+else
+        bool 'ash'          CONFIG_ASH
+fi
+
+if [ "$CONFIG_FEATURE_SH_IS_HUSH" = "y" ] ; then
+        define_bool CONFIG_HUSH y
+else
+        bool 'hush'         CONFIG_HUSH
+fi
+
+if [ "$CONFIG_FEATURE_SH_IS_LASH" = "y" ] ; then
+        define_bool CONFIG_LASH y
+else
+        bool 'lash'         CONFIG_LASH
+fi
+
+if [ "$CONFIG_FEATURE_SH_IS_MSH" = "y" ] ; then
+        define_bool CONFIG_MSH  y
+else
+        bool 'msh'          CONFIG_MSH
+fi
+
+
+comment 'Bourne Shell Options'
+bool 'command line editing'             CONFIG_FEATURE_COMMAND_EDITING
+bool 'tab completion'                   CONFIG_FEATURE_COMMAND_TAB_COMPLETION
+bool 'username completion'              CONFIG_FEATURE_COMMAND_USERNAME_COMPLETION
+bool 'Standalone shell'                 CONFIG_FEATURE_SH_STANDALONE_SHELL
+bool 'Standalone shell -- applets always win'   CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
+bool 'Fancy shell prompts'      CONFIG_FEATURE_SH_FANCY_PROMPT
+bool 'Hide message on interactive shell startup'        CONFIG_FEATURE_SH_EXTRA_QUIET
+
+endmenu
+
diff --git a/shell/hush.c b/shell/hush.c
index cb0e6e980..d37842b79 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -113,7 +113,8 @@
 #define applet_name "hush"
 #include "standalone.h"
 #define hush_main main
-#undef BB_FEATURE_SH_FANCY_PROMPT
+#undef CONFIG_FEATURE_SH_FANCY_PROMPT
+#define BB_BANNER
 #endif
 
 typedef enum {
@@ -836,7 +837,7 @@ static int static_peek(struct in_str *i)
 
 static inline void cmdedit_set_initial_prompt(void)
 {
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         PS1 = NULL;
 #else
         PS1 = getenv("PS1");
@@ -848,7 +849,7 @@ static inline void cmdedit_set_initial_prompt(void)
 static inline void setup_prompt_string(int promptmode, char **prompt_str)
 {
         debug_printf("setup_prompt_string %d ",promptmode);
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         /* Set up the prompt */
         if (promptmode == 1) {
                 if (PS1)
@@ -871,7 +872,7 @@ static void get_user_input(struct in_str *i)
         static char the_command[BUFSIZ];
 
         setup_prompt_string(i->promptmode, &prompt_str);
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
         /*
          ** enable command line editing only while a command line
          ** is actually being read; otherwise, we'll end up bequeathing
@@ -1085,18 +1086,18 @@ static void pseudo_exec(struct child_prog *child)
                  * really dislike relying on /proc for things.  We could exec ourself
                  * from global_argv[0], but if we are in a chroot, we may not be able
                  * to find ourself... */ 
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
                 {
                         int argc_l;
                         char** argv_l=child->argv;
                         char *name = child->argv[0];
 
-#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
+#ifdef CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
                         /* Following discussions from November 2000 on the busybox mailing
                          * list, the default configuration, (without
                          * get_last_path_component()) lets the user force use of an
                          * external command by specifying the full (with slashes) filename.
-                         * If you enable BB_FEATURE_SH_APPLETS_ALWAYS_WIN, then applets
+                         * If you enable CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN, then applets
                          * _aways_ override external commands, so if you want to run
                          * /bin/cat, it will use BusyBox cat even if /bin/cat exists on the
                          * filesystem and is _not_ busybox.  Some systems may want this,
@@ -2586,7 +2587,7 @@ int hush_main(int argc, char **argv)
 
         /* Initialize some more globals to non-zero values */
         set_cwd();
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
         cmdedit_set_initial_prompt();
 #else
         PS1 = NULL;
@@ -2655,7 +2656,7 @@ int hush_main(int argc, char **argv)
         debug_printf("\ninteractive=%d\n", interactive);
         if (interactive) {
                 /* Looks like they want an interactive shell */
-#ifndef BB_FEATURE_SH_EXTRA_QUIET 
+#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET 
                 printf( "\n\n" BB_BANNER " hush - the humble shell v0.01 (testing)\n");
                 printf( "Enter 'help' for a list of built-in commands.\n\n");
 #endif
@@ -2673,7 +2674,7 @@ int hush_main(int argc, char **argv)
         input = xfopen(argv[optind], "r");
         opt = parse_file_outer(input);
 
-#ifdef BB_FEATURE_CLEAN_UP
+#ifdef CONFIG_FEATURE_CLEAN_UP
         fclose(input);
         if (cwd && cwd != unknown)
                 free((char*)cwd);
diff --git a/shell/lash.c b/shell/lash.c
index ffdec8781..004d9495a 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -2,8 +2,8 @@
 /*
  * lash -- the BusyBox Lame-Ass SHell
  *
- * Copyright (C) 1999,2000,2001 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
+ * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
  *
  * Based in part on ladsh.c by Michael K. Johnson and Erik W. Troan, which is
  * under the following liberal license: "We have placed this source code in the
@@ -25,8 +25,10 @@
  *
  */
 
-/* This shell's parsing engine is officially at a dead-end.
- * Future work shell work should be done using hush.c
+/* This shell's parsing engine is officially at a dead-end.  Future
+ * work shell work should be done using hush, msh, or ash.  This is
+ * still a very useful, small shell -- it just don't need any more
+ * features beyond what it already has...
  */
 
 //For debugging/development on the shell only...
@@ -48,7 +50,7 @@
 #include "busybox.h"
 #include "cmdedit.h"
 
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
 #include <locale.h>
 #endif
 
@@ -390,12 +392,12 @@ static int builtin_export(struct child_prog *child)
         res = putenv(v);
         if (res)
                 fprintf(stderr, "export: %m\n");
-#ifdef BB_FEATURE_SH_FANCY_PROMPT
+#ifdef CONFIG_FEATURE_SH_FANCY_PROMPT
         if (strncmp(v, "PS1=", 4)==0)
                 PS1 = getenv("PS1");
 #endif
 
-#ifdef BB_LOCALE_SUPPORT
+#ifdef CONFIG_LOCALE_SUPPORT
         if(strncmp(v, "LC_ALL=", 7)==0)
                 setlocale(LC_ALL, getenv("LC_ALL"));
         if(strncmp(v, "LC_CTYPE=", 9)==0)
@@ -661,7 +663,7 @@ static void restore_redirects(int squirrel[])
 
 static inline void cmdedit_set_initial_prompt(void)
 {
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         PS1 = NULL;
 #else
         PS1 = getenv("PS1");
@@ -672,7 +674,7 @@ static inline void cmdedit_set_initial_prompt(void)
 
 static inline void setup_prompt_string(char **prompt_str)
 {
-#ifndef BB_FEATURE_SH_FANCY_PROMPT
+#ifndef CONFIG_FEATURE_SH_FANCY_PROMPT
         /* Set up the prompt */
         if (shell_context == 0) {
                 if (PS1)
@@ -706,7 +708,7 @@ static int get_command(FILE * source, char *command)
         if (source == stdin) {
                 setup_prompt_string(&prompt_str);
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                 /*
                 ** enable command line editing only while a command line
                 ** is actually being read; otherwise, we'll end up bequeathing
@@ -1201,7 +1203,7 @@ static int parse_command(char **command_ptr, struct job *job, int *inbg)
 static int pseudo_exec(struct child_prog *child)
 {
         struct built_in_command *x;
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         char *name;
 #endif
 
@@ -1223,7 +1225,7 @@ static int pseudo_exec(struct child_prog *child)
                         exit (x->function(child));
                 }
         }
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         /* Check if the command matches any busybox internal
          * commands ("applets") here.  Following discussions from
          * November 2000 on busybox@opensource.lineo.com, don't use
@@ -1237,8 +1239,8 @@ static int pseudo_exec(struct child_prog *child)
          */
         name = child->argv[0];
 
-#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
-        /* If you enable BB_FEATURE_SH_APPLETS_ALWAYS_WIN, then
+#ifdef CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
+        /* If you enable CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN, then
          * if you run /bin/cat, it will use BusyBox cat even if 
          * /bin/cat exists on the filesystem and is _not_ busybox.
          * Some systems want this, others do not.  Choose wisely.  :-)
@@ -1504,7 +1506,7 @@ static int busy_loop(FILE * input)
 }
 
 
-#ifdef BB_FEATURE_CLEAN_UP
+#ifdef CONFIG_FEATURE_CLEAN_UP
 void free_memory(void)
 {
         if (cwd && cwd!=unknown) {
@@ -1611,7 +1613,7 @@ int lash_main(int argc_l, char **argv_l)
         if (interactive==TRUE) {
                 //printf( "optind=%d  argv[optind]='%s'\n", optind, argv[optind]);
                 /* Looks like they want an interactive shell */
-#ifndef BB_FEATURE_SH_EXTRA_QUIET 
+#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET 
                 printf( "\n\n" BB_BANNER " Built-in shell (lash)\n");
                 printf( "Enter 'help' for a list of built-in commands.\n\n");
 #endif
@@ -1626,11 +1628,11 @@ int lash_main(int argc_l, char **argv_l)
         if (!cwd)
                 cwd = unknown;
 
-#ifdef BB_FEATURE_CLEAN_UP
+#ifdef CONFIG_FEATURE_CLEAN_UP
         atexit(free_memory);
 #endif
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
         cmdedit_set_initial_prompt();
 #else
         PS1 = NULL;
diff --git a/shell/msh.c b/shell/msh.c
index 5c4ec1019..a2f98c837 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -681,7 +681,7 @@ static void * brktop;
 static void * brkaddr;
 
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
 static char * current_prompt;
 #endif
 
@@ -732,7 +732,7 @@ extern int msh_main(int argc, char **argv)
                 setval(ifs, " \t\n");
 
         prompt = lookup("PS1");
-#ifdef BB_FEATURE_SH_FANCY_PROMPT
+#ifdef CONFIG_FEATURE_SH_FANCY_PROMPT
         if (prompt->value == null)
 #endif
                 setval(prompt, "$ ");
@@ -741,7 +741,7 @@ extern int msh_main(int argc, char **argv)
                 prompt->status &= ~EXPORT;
         }
         cprompt = lookup("PS2");
-#ifdef BB_FEATURE_SH_FANCY_PROMPT
+#ifdef CONFIG_FEATURE_SH_FANCY_PROMPT
         if (cprompt->value == null)
 #endif
                 setval(cprompt, "> ");
@@ -801,7 +801,7 @@ extern int msh_main(int argc, char **argv)
                 PUSHIO(afile, 0, iof);
                 if (isatty(0) && isatty(1) && !cflag) {
                         interactive++;
-#ifndef BB_FEATURE_SH_EXTRA_QUIET 
+#ifndef CONFIG_FEATURE_SH_EXTRA_QUIET 
                         printf( "\n\n" BB_BANNER " Built-in shell (msh)\n");
                         printf( "Enter 'help' for a list of built-in commands.\n\n");
 #endif
@@ -835,7 +835,7 @@ extern int msh_main(int argc, char **argv)
 
         for (;;) {
                 if (interactive && e.iop <= iostack) {
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                         current_prompt=prompt->value;
 #else
                         prs(prompt->value);
@@ -2171,7 +2171,7 @@ loop:
                 startl = 1;
                 if (multiline || cf & CONTIN) {
                         if (interactive && e.iop <= iostack) {
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                         current_prompt=cprompt->value;
 #else
                         prs(cprompt->value);
@@ -2224,7 +2224,7 @@ register int c, c1;
                         return(YYERRCODE);
                 }
                 if (interactive && c == '\n' && e.iop <= iostack) {
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                     current_prompt=cprompt->value;
 #else
                     prs(cprompt->value);
@@ -2838,9 +2838,9 @@ char *c, **v, **envp;
         register char *sp, *tp;
         int eacces = 0, asis = 0;
 
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         char *name = c;
-#ifdef BB_FEATURE_SH_APPLETS_ALWAYS_WIN
+#ifdef CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
         name = get_last_path_component(name);
 #endif
         optind = 1;
@@ -2960,7 +2960,7 @@ static int dohelp()
                         col = 0;
                 }
         }
-#ifdef BB_FEATURE_SH_STANDALONE_SHELL
+#ifdef CONFIG_FEATURE_SH_STANDALONE_SHELL
         {
                 int i;
                 const struct BB_applet *applet;
@@ -4256,7 +4256,7 @@ readc()
                         if (multiline)
                             return e.iop->prev = 0;
                         if (interactive && e.iop == iostack+1) {
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                             current_prompt=prompt->value;
 #else
                             prs(prompt->value);
@@ -4462,7 +4462,7 @@ register struct ioarg *ap;
           return *bp->bufp++ & 0177;
         }
 
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
         if (interactive) {
             static char mycommand[BUFSIZ];
             static int position = 0, size = 0;
@@ -4721,7 +4721,7 @@ int ec;
                 e.iobase = e.iop;
                 for (;;) {
                     if (interactive && e.iop <= iostack) {
-#ifdef BB_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_EDITING
                             current_prompt=cprompt->value;
 #else
                             prs(cprompt->value);