Make private ash config options be public

2 files changed, 98 insertions, 125 deletions

diff --git a/shell/ash.c b/shell/ash.c
index d1bef2a..a4c4156 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -33,46 +33,6 @@
  */
 
 
-/* These defines allow you to adjust the feature set to be compiled
- * into the ash shell.   As a rule, enabling these options will make
- * ash get bigger...   With all of these options off, ash adds about
- * 60k to busybox on an x86 system.*/
-
-
-/* Enable job control.  This allows you to run jobs in the background,
- * which is great when ash is being  used as an interactive shell, but
- * it completely useless for is all you are doing is running scripts.
- * This adds about 2.5k on an x86 system. */
-#undef JOBS
-
-/* This enables alias support in ash.  If you want to support things
- * like "alias ls='ls -l'" with ash, enable this.  This is only useful
- * when ash is used as an intractive shell.   This adds about 1.5k */
-#define ASH_ALIAS
-
-/* If you need ash to act as a full Posix shell, with full math
- * support, enable this.   This adds a bit over 2k an x86 system. */
-//#undef ASH_MATH_SUPPORT
-#define ASH_MATH_SUPPORT
-
-/* Getopts is used by shell procedures to parse positional parameters.
- * You probably want to leave this disabled, and use the busybox getopt
- * applet if you want to do this sort of thing.  There are some scripts
- * out there that use it, so it you need it, enable.  Most people will
- * leave this disabled.  This adds 1k on an x86 system. */
-#undef ASH_GETOPTS
-
-/* This allows you to override shell builtins and use whatever is on
- * the filesystem.  This is most useful when ash is acting as a
- * standalone shell.   Adds about 272 bytes. */
-#undef ASH_CMDCMD
-
-/* Check for new mail on interactive shells? */
-#undef ASH_MAIL
-
-/* Optimize size vs speed as size */
-#define ASH_OPTIMIZE_FOR_SIZE
-
 /* Enable this to compile in extra debugging noise.  When debugging is
  * on, debugging info will be written to $HOME/trace and a quit signal
  * will generate a core dump. */
@@ -118,7 +78,7 @@
 #include <glob.h>
 #endif
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 #include <termios.h>
 #endif
 
@@ -281,7 +241,7 @@ static volatile int suppressint;
 static volatile int intpending;
 
 #define INTOFF suppressint++
-#ifndef ASH_OPTIMIZE_FOR_SIZE
+#ifndef CONFIG_ASH_OPTIMIZE_FOR_SIZE
 #define INTON { if (--suppressint == 0 && intpending) onint(); }
 #define FORCEINTON {suppressint = 0; if (intpending) onint();}
 #else
@@ -608,7 +568,7 @@ struct strpush {
 	struct strpush *prev;   /* preceding string on stack */
 	char *prevstring;
 	int prevnleft;
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	struct alias *ap;       /* if push was associated with an alias */
 #endif
 	char *string;           /* remember the string since it may change */
@@ -685,14 +645,14 @@ static inline void outstr (const char *p, FILE *file) { fputs(p, file); }
 static void out1str(const char *p) { outstr(p, stdout); }
 static void out2str(const char *p) { outstr(p, stderr); }
 
-#ifndef ASH_OPTIMIZE_FOR_SIZE
+#ifndef CONFIG_ASH_OPTIMIZE_FOR_SIZE
 #define out2c(c)        putc((c), stderr)
 #else
 static void out2c(int c)           { putc(c, stderr); }
 #endif
 
 
-#ifdef ASH_OPTIMIZE_FOR_SIZE
+#ifdef CONFIG_ASH_OPTIMIZE_FOR_SIZE
 #define USE_SIT_FUNCTION
 #endif
 
@@ -1313,7 +1273,7 @@ static char *optptr;                    /* used by nextopt */
 static char *minusc;                    /* argument to -c option */
 
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 
 #define ALIASINUSE      1
 #define ALIASDEAD       2
@@ -1507,7 +1467,7 @@ __lookupalias(const char *name)
 }
 #endif
 
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 /* The generated file arith.c has been replaced with a custom hand
  * written implementation written by Aaron Lehmann <aaronl@vitelus.com>.
  * This is now part of libbb, so that it can be used by all the shells
@@ -1524,7 +1484,7 @@ static int pendingsigs;                 /* indicates some signal received */
  * This file was generated by the mkbuiltins program.
  */
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 static int bgcmd (int, char **);
 static int fgcmd (int, char **);
 static int killcmd (int, char **);
@@ -1532,7 +1492,7 @@ static int killcmd (int, char **);
 static int bltincmd (int, char **);
 static int cdcmd (int, char **);
 static int breakcmd (int, char **);
-#ifdef ASH_CMDCMD
+#ifdef CONFIG_ASH_CMDCMD
 static int commandcmd (int, char **);
 #endif
 static int dotcmd (int, char **);
@@ -1553,7 +1513,7 @@ static int setvarcmd (int, char **);
 static int shiftcmd (int, char **);
 static int trapcmd (int, char **);
 static int umaskcmd (int, char **);
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 static int aliascmd (int, char **);
 static int unaliascmd (int, char **);
 #endif
@@ -1561,11 +1521,11 @@ static int unsetcmd (int, char **);
 static int waitcmd (int, char **);
 static int ulimitcmd (int, char **);
 static int timescmd (int, char **);
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 static int letcmd (int, char **);
 #endif
 static int typecmd (int, char **);
-#ifdef ASH_GETOPTS
+#ifdef CONFIG_ASH_GETOPTS
 static int getoptscmd (int, char **);
 #endif
 
@@ -1606,17 +1566,17 @@ struct builtincmd {
 static const struct builtincmd builtincmds[] = {
 	{ BUILTIN_SPECIAL   ".", dotcmd },    /* first, see declare DOTCMD */
 	{ BUILTIN_SPECIAL   ":", true_main },
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	{ BUILTIN_REG_ASSG  "alias", aliascmd },
 #endif
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	{ BUILTIN_REGULAR   "bg", bgcmd },
 #endif
 	{ BUILTIN_SPECIAL   "break", breakcmd },
 	{ BUILTIN_SPECIAL   "builtin", bltincmd },
 	{ BUILTIN_REGULAR   "cd", cdcmd },
 	{ BUILTIN_NOSPEC    "chdir", cdcmd },
-#ifdef ASH_CMDCMD
+#ifdef CONFIG_ASH_CMDCMD
 	{ BUILTIN_REGULAR   "command", commandcmd },
 #endif
 	{ BUILTIN_SPECIAL   "continue", breakcmd },
@@ -1626,19 +1586,19 @@ static const struct builtincmd builtincmds[] = {
 	{ BUILTIN_SPEC_ASSG "export", exportcmd },
 	{ BUILTIN_REGULAR   "false", false_main },
 	{ BUILTIN_REGULAR   "fc", histcmd },
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	{ BUILTIN_REGULAR   "fg", fgcmd },
 #endif
-#ifdef ASH_GETOPTS
+#ifdef CONFIG_ASH_GETOPTS
 	{ BUILTIN_REGULAR   "getopts", getoptscmd },
 #endif
 	{ BUILTIN_NOSPEC    "hash", hashcmd },
 	{ BUILTIN_NOSPEC    "help", helpcmd },
 	{ BUILTIN_REGULAR   "jobs", jobscmd },
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	{ BUILTIN_REGULAR   "kill", killcmd },
 #endif
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 	{ BUILTIN_REGULAR    "let", letcmd },
 #endif
 	{ BUILTIN_ASSIGN    "local", localcmd },
@@ -1655,7 +1615,7 @@ static const struct builtincmd builtincmds[] = {
 	{ BUILTIN_NOSPEC    "type", typecmd },
 	{ BUILTIN_NOSPEC    "ulimit", ulimitcmd },
 	{ BUILTIN_REGULAR   "umask", umaskcmd },
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	{ BUILTIN_REGULAR   "unalias", unaliascmd },
 #endif
 	{ BUILTIN_SPECIAL   "unset", unsetcmd },
@@ -1669,7 +1629,7 @@ static struct builtincmd *EXECCMD;
 static struct builtincmd *EVALCMD;
 
 /* states */
-#define JOBSTOPPED 1            /* all procs are stopped */
+#define CONFIG_ASH_JOB_CONTROLTOPPED 1            /* all procs are stopped */
 #define JOBDONE 2               /* all procs are completed */
 
 /*
@@ -1688,7 +1648,7 @@ struct procstat {
 
 static int job_warning;         /* user was warned about stopped jobs */
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 static void setjobctl(int enable);
 #else
 #define setjobctl(on)   /* do nothing */
@@ -1703,7 +1663,7 @@ struct job {
 	char state;             /* true if job is finished */
 	char used;              /* true if this entry is in used */
 	char changed;           /* true if status has changed */
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	char jobctl;            /* job running under job control */
 #endif
 };
@@ -1711,7 +1671,7 @@ struct job {
 static struct job *jobtab;      /* array of jobs */
 static int njobs;               /* size of array */
 static int backgndpid = -1;     /* pid of last background process */
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 static int initialpgrp;         /* pgrp of shell on invocation */
 static int curjob;              /* current job */
 static int jobctl;
@@ -2085,7 +2045,7 @@ errmsg(int e, int action)
 }
 
 
-#ifdef ASH_OPTIMIZE_FOR_SIZE
+#ifdef CONFIG_ASH_OPTIMIZE_FOR_SIZE
 static void
 __inton() {
 	if (--suppressint == 0 && intpending) {
@@ -3053,7 +3013,7 @@ true_main(int argc, char **argv)
 
 static void setsignal(int signo);
 
-#ifdef ASH_MAIL
+#ifdef CONFIG_ASH_MAIL
 static void chkmail(int silent);
 #endif
 
@@ -3068,7 +3028,7 @@ setinteractive(int on)
 	setsignal(SIGINT);
 	setsignal(SIGQUIT);
 	setsignal(SIGTERM);
-#ifdef ASH_MAIL
+#ifdef CONFIG_ASH_MAIL
 	chkmail(1);
 #endif
 	is_interactive = on;
@@ -3183,7 +3143,7 @@ static void
 initshellproc(void)
 {
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
       /* from alias.c: */
       {
 	      rmaliases();
@@ -3202,7 +3162,7 @@ initshellproc(void)
       /* from jobs.c: */
       {
 	      backgndpid = -1;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	      jobctl = 0;
 #endif
       }
@@ -3247,7 +3207,7 @@ static void pushfile (void);
  * Nul characters in the input are silently discarded.
  */
 
-#ifndef ASH_OPTIMIZE_FOR_SIZE
+#ifndef CONFIG_ASH_OPTIMIZE_FOR_SIZE
 #define pgetc_macro()   (--parsenleft >= 0? *parsenextc++ : preadbuffer())
 static int
 pgetc(void)
@@ -3497,7 +3457,7 @@ hashcmd(int argc, char **argv)
 	int verbose;
 	struct cmdentry entry;
 	char *name;
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	const struct alias *ap;
 #endif
 
@@ -3526,7 +3486,7 @@ hashcmd(int argc, char **argv)
 		 && (cmdp->cmdtype == CMDNORMAL
 		     || (cmdp->cmdtype == CMDBUILTIN && builtinloc >= 0)))
 			delete_cmd_entry();
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	/* Then look at the aliases */
 		if ((ap = *__lookupalias(name)) != NULL) {
 			if (verbose=='v')
@@ -4075,7 +4035,7 @@ typecmd(int argc, char **argv)
 	return err;
 }
 
-#ifdef ASH_CMDCMD
+#ifdef CONFIG_ASH_CMDCMD
 static int
 commandcmd(int argc, char **argv)
 {
@@ -4479,7 +4439,7 @@ argstr(char *p, int flag)
 			expbackq(argbackq->n, c & CTLQUOTE, flag);
 			argbackq = argbackq->next;
 			break;
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 		case CTLENDARI:
 			expari(flag);
 			break;
@@ -4592,7 +4552,7 @@ removerecordregions(int endoff)
 }
 
 
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 /*
  * Expand arithmetic expression.  Backup to start of expression,
  * evaluate, place result in (backed up) result, adjust string position.
@@ -5844,7 +5804,7 @@ static inline void putprompt(const char *s) {
  * Same as pgetc(), but ignores PEOA.
  */
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 static int
 pgetc2(void)
 {
@@ -5855,7 +5815,7 @@ pgetc2(void)
 	return c;
 }
 #else
-static inline int pgetc2() { return pgetc_macro(); }
+static inline int pgetc2(void) { return pgetc_macro(); }
 #endif
 
 /*
@@ -5925,7 +5885,7 @@ popstring(void)
 	struct strpush *sp = parsefile->strpush;
 
 	INTOFF;
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	if (sp->ap) {
 		if (parsenextc[-1] == ' ' || parsenextc[-1] == '\t') {
 			if (!checkalias) {
@@ -5970,7 +5930,7 @@ preadbuffer(void)
 	char savec;
 
 	while (parsefile->strpush) {
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 		if (parsenleft == -1 && parsefile->strpush->ap &&
 			parsenextc[-1] != ' ' && parsenextc[-1] != '\t') {
 			return PEOA;
@@ -6050,7 +6010,7 @@ pushstring(char *s, int len, void *ap)
 		sp = parsefile->strpush = &(parsefile->basestrpush);
 	sp->prevstring = parsenextc;
 	sp->prevnleft = parsenleft;
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	sp->ap = (struct alias *)ap;
 	if (ap) {
 		((struct alias *)ap)->flag |= ALIASINUSE;
@@ -6103,7 +6063,7 @@ pushfile(void)
 	parsefile = pf;
 }
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 static void restartjob (struct job *);
 #endif
 static void freejob (struct job *);
@@ -6128,7 +6088,7 @@ fd0_redirected_p (void)
 
 static void dupredirect (const union node *, int, int fd1dup);
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 /*
  * Turn job control on and off.
  *
@@ -6198,7 +6158,7 @@ static void setjobctl(int enable)
 #endif
 
 
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 static int
 killcmd(int argc, char **argv)
 {
@@ -6405,7 +6365,7 @@ showjobs(int change)
 				snprintf(s, 64, "Exit %d",
 				       WEXITSTATUS(ps->status));
 			} else {
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 				if (WIFSTOPPED(ps->status))
 					i = WSTOPSIG(ps->status);
 				else /* WIFSIGNALED(ps->status) */
@@ -6453,7 +6413,7 @@ freejob(struct job *jp)
 	if (jp->ps != &jp->ps0)
 		ckfree(jp->ps);
 	jp->used = 0;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (curjob == jp - jobtab + 1)
 		curjob = 0;
 #endif
@@ -6486,7 +6446,7 @@ start:
 				}
 				if (WIFEXITED(status))
 					retval = WEXITSTATUS(status);
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 				else if (WIFSTOPPED(status))
 					retval = WSTOPSIG(status) + 128;
 #endif
@@ -6526,7 +6486,7 @@ getjob(const char *name)
 	int i;
 
 	if (name == NULL) {
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 currentjob:
 		if ((jobno = curjob) == 0 || jobtab[jobno - 1].used == 0)
 			error("No current job");
@@ -6540,7 +6500,7 @@ currentjob:
 			if (jobno > 0 && jobno <= njobs
 			 && jobtab[jobno - 1].used != 0)
 				return &jobtab[jobno - 1];
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 		} else if (name[1] == '%' && name[2] == '\0') {
 			goto currentjob;
 #endif
@@ -6608,7 +6568,7 @@ makejob(const union node *node, int nprocs)
 	jp->used = 1;
 	jp->changed = 0;
 	jp->nprocs = 0;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	jp->jobctl = jobctl;
 #endif
 	if (nprocs > 1) {
@@ -6644,7 +6604,7 @@ static int
 forkshell(struct job *jp, const union node *n, int mode)
 {
 	int pid;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	int pgrp;
 #endif
 	const char *devnull = _PATH_DEVNULL;
@@ -6674,7 +6634,7 @@ forkshell(struct job *jp, const union node *n, int mode)
 		closescript();
 		INTON;
 		clear_traps();
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 		jobctl = 0;             /* do job control only in root shell */
 		if (wasroot && mode != FORK_NOJOB && mflag) {
 			if (jp == NULL || jp->nprocs == 0)
@@ -6717,7 +6677,7 @@ forkshell(struct job *jp, const union node *n, int mode)
 		}
 		return pid;
 	}
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (rootshell && mode != FORK_NOJOB && mflag) {
 		if (jp == NULL || jp->nprocs == 0)
 			pgrp = pid;
@@ -6765,7 +6725,7 @@ forkshell(struct job *jp, const union node *n, int mode)
 static int
 waitforjob(struct job *jp)
 {
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	int mypgrp = getpgrp();
 #endif
 	int status;
@@ -6774,7 +6734,7 @@ waitforjob(struct job *jp)
 
 	INTOFF;
 	intreceived = 0;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (!jobctl) {
 #else
 	if (!iflag) {
@@ -6787,7 +6747,7 @@ waitforjob(struct job *jp)
 	while (jp->state == 0) {
 		dowait(1, jp);
 	}
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (!jobctl) {
 #else
 	if (!iflag) {
@@ -6795,7 +6755,7 @@ waitforjob(struct job *jp)
 		sigaction(SIGINT, &oact, 0);
 		if (intreceived && trap[SIGINT]) kill(getpid(), SIGINT);
 	}
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (jp->jobctl) {
 #ifdef OLD_TTY_DRIVER
 		if (ioctl(2, TIOCSPGRP, (char *)&mypgrp) < 0)
@@ -6805,20 +6765,20 @@ waitforjob(struct job *jp)
 			error("tcsetpgrp failed, errno=%d\n", errno);
 #endif
 	}
-	if (jp->state == JOBSTOPPED)
+	if (jp->state == CONFIG_ASH_JOB_CONTROLTOPPED)
 		curjob = jp - jobtab + 1;
 #endif
 	status = jp->ps[jp->nprocs - 1].status;
 	/* convert to 8 bits */
 	if (WIFEXITED(status))
 		st = WEXITSTATUS(status);
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	else if (WIFSTOPPED(status))
 		st = WSTOPSIG(status) + 128;
 #endif
 	else
 		st = WTERMSIG(status) + 128;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (jp->jobctl) {
 		/*
 		 * This is truly gross.
@@ -6875,7 +6835,7 @@ waitproc(int block, int *status)
 	int flags;
 
 	flags = 0;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	if (jobctl)
 		flags |= WUNTRACED;
 #endif
@@ -6924,11 +6884,11 @@ dowait(int block, struct job *job)
 					done = 0;
 			}
 			if (stopped) {          /* stopped or done */
-				int state = done? JOBDONE : JOBSTOPPED;
+				int state = done? JOBDONE : CONFIG_ASH_JOB_CONTROLTOPPED;
 				if (jp->state != state) {
 					TRACE(("Job %d: changing state from %d to %d\n", jp - jobtab + 1, jp->state, state));
 					jp->state = state;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 					if (done && curjob == jp - jobtab + 1)
 						curjob = 0;             /* no current job */
 #endif
@@ -6939,7 +6899,7 @@ dowait(int block, struct job *job)
 	INTON;
 	if (! rootshell || ! iflag || (job && thisjob == job)) {
 		core = WCOREDUMP(status);
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 		if (WIFSTOPPED(status)) sig = WSTOPSIG(status);
 		else
 #endif
@@ -6949,7 +6909,7 @@ dowait(int block, struct job *job)
 		if (sig != 0 && sig != SIGINT && sig != SIGPIPE) {
 			if (thisjob != job)
 				out2fmt("%d: ", pid);
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 			if (sig == SIGTSTP && rootshell && iflag)
 				out2fmt("%%%ld ",
 				    (long)(job - jobtab + 1));
@@ -6990,7 +6950,7 @@ stoppedjobs(void)
 	for (jobno = 1, jp = jobtab; jobno <= njobs; jobno++, jp++) {
 		if (jp->used == 0)
 			continue;
-		if (jp->state == JOBSTOPPED) {
+		if (jp->state == CONFIG_ASH_JOB_CONTROLTOPPED) {
 			out2str("You have stopped jobs.\n");
 			job_warning = 2;
 			return (1);
@@ -7408,7 +7368,7 @@ static void waitonint(int sig) {
 	return;
 }
 
-#ifdef ASH_MAIL
+#ifdef CONFIG_ASH_MAIL
 
 /*
  * Routines to check for mail.
@@ -7469,7 +7429,7 @@ chkmail(int silent)
 	popstackmark(&smark);
 }
 
-#endif /* ASH_MAIL */
+#endif /* CONFIG_ASH_MAIL */
 
 #define PROFILE 0
 
@@ -7636,7 +7596,7 @@ cmdloop(int top)
 		if (iflag && top) {
 			inter++;
 			showjobs(1);
-#ifdef ASH_MAIL
+#ifdef CONFIG_ASH_MAIL
 			chkmail(0);
 #endif
 			flushall();
@@ -8861,7 +8821,7 @@ nodexstrdup(const char *s)
 	return rtn;
 }
 
-#ifdef ASH_GETOPTS
+#ifdef CONFIG_ASH_GETOPTS
 static int getopts (char *, char *, char **, int *, int *);
 #endif
 
@@ -9135,7 +9095,7 @@ static void change_lc_ctype(const char *value)
 
 #endif
 
-#ifdef ASH_GETOPTS
+#ifdef CONFIG_ASH_GETOPTS
 /*
  * The getopts builtin.  Shellparam.optnext points to the next argument
  * to be processed.  Shellparam.optptr points to the next character to
@@ -9997,7 +9957,7 @@ static int
 readtoken() {
 	int t;
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	int savecheckalias = checkalias;
 	int savecheckkwd = checkkwd;
 	struct alias *ap;
@@ -10007,13 +9967,13 @@ readtoken() {
 	int alreadyseen = tokpushback;
 #endif
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 top:
 #endif
 
 	t = xxreadtoken();
 
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	checkalias = savecheckalias;
 #endif
 
@@ -10051,7 +10011,7 @@ top:
 		}
 	} else if (checkalias == 2 && isassignment(wordtext)) {
 		lasttoken = t = TASSIGN;
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 	} else if (checkalias) {
 		if (!quoteflag && (ap = *__lookupalias(wordtext)) != NULL && !(ap->flag & ALIASINUSE)) {
 			if (*ap->val) {
@@ -10125,7 +10085,7 @@ xxreadtoken() {
 		c = pgetc_macro();
 
 		if ((c!=' ') && (c!='\t')
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 			&& (c!=PEOA)
 #endif
 			) {
@@ -10191,7 +10151,7 @@ xxreadtoken() {
 		c = pgetc_macro();
 		switch (c) {
 		case ' ': case '\t':
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 		case PEOA:
 #endif
 			continue;
@@ -10394,7 +10354,7 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs)
 					USTPUTC(c, out);
 				}
 				break;
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 			case CLP:       /* '(' in arithmetic */
 				parenlevel++;
 				USTPUTC(c, out);
@@ -10435,7 +10395,7 @@ readtoken1(int firstc, int syntax, const char *eofmark, int striptabs)
 			default:
 				if (varnest == 0)
 					goto endword;   /* exit outer loop */
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 				if (c != PEOA)
 #endif
 					USTPUTC(c, out);
@@ -10484,7 +10444,7 @@ endword:
 
 checkend: {
 	if (eofmark) {
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 		if (c == PEOA) {
 			c = pgetc2();
 		}
@@ -10765,7 +10725,7 @@ parsebackq: {
 				/* fall through */
 
 			case PEOF:
-#ifdef ASH_ALIAS
+#ifdef CONFIG_ASH_ALIAS
 			case PEOA:
 #endif
 				startlinno = plinno;
@@ -11768,7 +11728,7 @@ setsignal(int signo)
 			if (iflag)
 				action = S_IGN;
 			break;
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 		case SIGTSTP:
 		case SIGTTOU:
 			if (mflag)
@@ -11892,7 +11852,7 @@ exitshell(int status)
 	}
 l1:   handler = &loc2;                  /* probably unnecessary */
 	flushall();
-#ifdef JOBS
+#ifdef CONFIG_ASH_JOB_CONTROL
 	setjobctl(0);
 #endif
 l2:   _exit(status);
@@ -12031,7 +11991,7 @@ setvareq(char *s, int flags)
 		vp->flags |= flags;
 		vp->text = s;
 
-#ifdef ASH_MAIL
+#ifdef CONFIG_ASH_MAIL
 		/*
 		 * We could roll this to a function, to handle it as
 		 * a regular variable function callback, but why bother?
@@ -12470,7 +12430,7 @@ 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 1.45 2001/12/31 06:16:54 aaronl Exp $
+ * $Id: ash.c,v 1.46 2002/01/09 15:37:36 andersen Exp $
  */
 static int timescmd (int argc, char **argv)
 {
@@ -12490,7 +12450,7 @@ static int timescmd (int argc, char **argv)
 	return 0;
 }
 
-#ifdef ASH_MATH_SUPPORT
+#ifdef CONFIG_ASH_MATH_SUPPORT
 /* The let builtin.  */
 int letcmd(int argc, char **argv)
 {
diff --git a/shell/config.in b/shell/config.in
index 2efec97..d6a7f16 100644
--- a/shell/config.in
+++ b/shell/config.in
@@ -30,10 +30,23 @@ if [ "$CONFIG_FEATURE_SH_IS_MSH" = "y" ] ; then
 fi
 
 bool 'ash'	    CONFIG_ASH
+if [ "$CONFIG_ASH" = "y" ] ; then
+	comment 'Ash Shell Options'
+	bool 'Enable Job control'		CONFIG_ASH_JOB_CONTROL
+	bool 'Enable alias support'		CONFIG_ASH_ALIAS
+	bool 'Enable Posix math support'	CONFIG_ASH_MATH_SUPPORT
+	bool 'Enable getopt builtin to parse positional parameters'		CONFIG_ASH_GETOPTS
+	bool 'Enable cmdcmd to override shell builtins'		CONFIG_ASH_CMDCMD
+	bool 'Check for new mail on interactive shells'		CONFIG_ASH_MAIL
+	bool 'Optimize for size instead of speed'	CONFIG_ASH_OPTIMIZE_FOR_SIZE
+	comment ''
+fi
+
 bool 'hush'	    CONFIG_HUSH
 bool 'lash'	    CONFIG_LASH
 bool 'msh'	    CONFIG_MSH
 
+	
 comment 'Bourne Shell Options'
 bool 'command line editing'		CONFIG_FEATURE_COMMAND_EDITING
 bool 'tab completion'			CONFIG_FEATURE_COMMAND_TAB_COMPLETION