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1.1 root 1: #! /bin/sh
2: #
3: # This script is used to configure dmsdos options.
4: # It is shamelessly stolen from the Linux kernel.
5: # For a list of credits see there.
6: #
7: #----------------------------------------------------------------------------
8:
9: #
10: # Make sure we're really running bash.
11: #
12: [ -z "$BASH" ] && { echo "Menuconfig requires bash" 1>&2; exit 1; }
13:
14: #
15: # Cache function definitions, turn off posix compliance
16: #
17: set -h +o posix
18:
19:
20: #
21: # If you prefer all kernel options listed in a single menu rather than
22: # the standard menu hierarchy, set SINGLE_MENU_MODE to "TRUE" in your
23: # environment.
24: #
25: single_menu_mode="${SINGLE_MENU_MODE:-FALSE}"
26:
27:
28: #
29: # Load the functions used by the config.in files.
30: #
31: # I do this because these functions must be redefined depending
32: # on whether they are being called for interactive use or for
33: # saving a configuration to a file.
34: #
35: # Thank the heavens bash supports nesting function definitions.
36: #
37: load_functions () {
38:
39: #
40: # Additional comments
41: #
42: function comment () {
43: comment_ctr=$[ comment_ctr + 1 ]
44: echo -ne "': $comment_ctr' '--- $1' " >>MCmenu
45: }
46:
47: #
48: # Don't need this yet, but we don't want to puke either.
49: #
50: function define_bool () {
51: :
52: }
53:
54: #
55: # Create a boolean (Yes/No) function for our current menu
56: # which calls our local bool function.
57: #
58: function bool () {
59: eval $2=\${$2:-'n'} x=\$$2
60:
61: case $x in
62: y|m) flag="*" ;;
63: n) flag=" " ;;
64: esac
65:
66: echo -ne "'$2' '[$flag] $1' " >>MCmenu
67:
68: echo -e "function $2 () { l_bool '$2' \"\$1\" ;}\n" >>MCradiolists
69: }
70:
71: #
72: # Create a tristate (Yes/No/Module) radiolist function
73: # which calls our local tristate function.
74: #
75: # Collapses to a boolean (Yes/No) if module support is disabled.
76: #
77: function tristate () {
78: if [ "$CONFIG_MODULES" != "y" ]
79: then
80: bool "$1" "$2"
81: else
82: eval $2=\${$2:-'n'} x=\$$2
83:
84: case $x in
85: y) flag="*" ;;
86: m) flag="M" ;;
87: *) flag=" " ;;
88: esac
89:
90: echo -ne "'$2' '<$flag> $1' " >>MCmenu
91:
92: echo -e "
93: function $2 () { l_tristate '$2' \"\$1\" ;}" >>MCradiolists
94: fi
95: }
96:
97: #
98: # Create a tristate radiolist function which is dependent on
99: # another kernel configuration option.
100: #
101: # Quote from the original configure script:
102: #
103: # If the option we depend upon is a module,
104: # then the only allowable options are M or N. If Y, then
105: # this is a normal tristate. This is used in cases where modules
106: # are nested, and one module requires the presence of something
107: # else in the kernel.
108: #
109: function dep_tristate () {
110: if [ "$CONFIG_MODULES" != "y" ]
111: then
112: bool "$1" "$2"
113: else
114: if eval [ "_$3" != "_m" ]
115: then
116: tristate "$1" "$2" $3
117: else
118: mod_bool "$1" "$2"
119: fi
120: fi
121: }
122:
123: #
124: # Add a menu item which will call our local int function.
125: #
126: function int () {
127: eval $2=\${$2:-"$3"} x=\$$2
128:
129: echo -ne "'$2' '($x) $1' " >>MCmenu
130:
131: echo -e "function $2 () { l_int '$1' '$2' '$3' '$x' ;}" >>MCradiolists
132: }
133:
134: #
135: # Add a menu item which will call our local int function.
136: #
137: function hex () {
138: eval $2=\${$2:-"$3"} x=\${$2##*[x,X]}
139:
140: echo -ne "'$2' '($x) $1' " >>MCmenu
141:
142: echo -e "function $2 () { l_hex '$1' '$2' '$3' '$x' ;}" >>MCradiolists
143: }
144:
145: #
146: # Add a menu item which will call our local One-of-Many choice list.
147: #
148: function choice () {
149: #
150: # Need to remember params cause they're gonna get reset.
151: #
152: title=$1
153: choices=$2
154: default=$3
155: current=
156:
157: #
158: # Find out if one of the choices is already set.
159: # If it's not then make it the default.
160: #
161: set -- $choices
162: firstchoice=$2
163:
164: while [ -n "$2" ]
165: do
166: if eval [ "_\$$2" = "_y" ]
167: then
168: current=$1
169: break
170: fi
171: shift ; shift
172: done
173:
174: : ${current:=$default}
175:
176: echo -ne "'$firstchoice' '($current) $title' " >>MCmenu
177:
178: echo -e "
179: function $firstchoice () \
180: { l_choice '$title' \"$choices\" $current ;}" >>MCradiolists
181: }
182:
183: } # END load_functions()
184:
185:
186:
187:
188:
189: #
190: # Extract available help for an option from Configure.help
191: # and send it to standard output.
192: #
193: # Most of this function was borrowed from the original kernel
194: # Configure script.
195: #
196: function extract_help () {
197: if [ -f Configure.help ]
198: then
199: #first escape regexp special characters in the argument:
200: var=$(echo "$1"|sed 's/[][\/.^$*]/\\&/g')
201: #now pick out the right help text:
202: text=$(sed -n "/^$var[ ]*\$/,\${
203: /^$var[ ]*\$/d
204: /^#.*/d
205: /^[ ]*\$/q
206: s/^ //
207: p
208: }" Configure.help)
209:
210: if [ -z "$text" ]
211: then
212: echo "There is no help available for this dmsdos option."
213: return 1
214: else
215: echo "$text"
216: fi
217: else
218: echo "There is no help available for this dmsdos option."
219: return 1
220: fi
221: }
222:
223: #
224: # Activate a help dialog.
225: #
226: function help () {
227: if extract_help $1 >help.out
228: then
229: $DIALOG --backtitle "$backtitle" --title "$2"\
230: --textbox help.out $ROWS $COLS
231: else
232: $DIALOG --backtitle "$backtitle" \
233: --textbox help.out $ROWS $COLS
234: fi
235: rm help.out
236: }
237:
238: #
239: # Show the README file.
240: #
241: function show_readme () {
242: $DIALOG --backtitle "$backtitle" \
243: --textbox scripts/README.Menuconfig $ROWS $COLS
244: }
245:
246: #
247: # Begin building the dialog menu command and Initialize the
248: # Radiolist function file.
249: #
250: function menu_name () {
251: echo -ne "$DIALOG --title '$1'\
252: --backtitle '$backtitle' \
253: --menu '$menu_instructions' \
254: $ROWS $COLS $((ROWS-10)) \
255: '$default' " >MCmenu
256: >MCradiolists
257: }
258:
259: #
260: # Add a submenu option to the menu currently under construction.
261: #
262: function submenu () {
263: echo -ne "'activate_menu $2' '$1 --->' " >>MCmenu
264: }
265:
266: #
267: # Create a menu entry to handle the traditional sound configuration.
268: #
269: function soundcfg () {
270: echo -ne "'l_soundcfg' "\
271: "'Old configuration script "\
272: "(For: SM Wave, PSS & AudioTrix Pro) -->' " >>MCmenu
273: }
274:
275: #
276: # Startup the traditional sound configuration program.
277: #
278: function l_soundcfg () {
279: clear
280: $MAKE -C drivers/sound config
281: }
282:
283: #
284: # Handle a boolean (Yes/No) option.
285: #
286: function l_bool () {
287: if [ -n "$2" ]
288: then
289: case "$2" in
290: y|m) eval $1=y ;;
291: c) eval x=\$$1
292: case $x in
293: y) eval $1=n ;;
294: n) eval $1=y ;;
295: esac ;;
296: *) eval $1=n ;;
297: esac
298: else
299: echo -ne "\007"
300: fi
301: }
302:
303: #
304: # Same as bool() except options are (Module/No)
305: #
306: function mod_bool () {
307: eval $2=\${$2:-'n'} x=\$$2
308:
309: case $x in
310: y|m) flag='M' ;;
311: *) flag=' ' ;;
312: esac
313:
314: echo -ne "'$2' '<$flag> $1' " >>MCmenu
315:
316: echo -e "function $2 () { l_mod_bool '$2' \"\$1\" ;}" >>MCradiolists
317: }
318:
319: #
320: # Same as l_bool() except options are (Module/No)
321: #
322: function l_mod_bool() {
323: if [ -n "$2" ]
324: then
325: case "$2" in
326: y) echo -en "\007"
327: ${DIALOG} --backtitle "$backtitle" \
328: --infobox "\
329: This feature depends on another which has been configured as a module. \
330: As a result, this feature will be built as a module." 4 70
331: sleep 5
332: eval $1=m ;;
333: m) eval $1=m ;;
334: c) eval x=\$$1
335: case $x in
336: m) eval $1=n ;;
337: n) eval $1=m ;;
338: esac ;;
339: *) eval $1=n ;;
340: esac
341: else
342: echo -ne "\007"
343: fi
344: }
345:
346: #
347: # Handle a tristate (Yes/No/Module) option.
348: #
349: function l_tristate () {
350: if [ -n "$2" ]
351: then
352: eval x=\$$1
353:
354: case "$2" in
355: y) eval $1=y ;;
356: m) eval $1=m ;;
357: c) eval x=\$$1
358: case $x in
359: y) eval $1=n ;;
360: n) eval $1=m ;;
361: m) eval $1=y ;;
362: esac ;;
363: *) eval $1=n ;;
364: esac
365: else
366: echo -ne "\007"
367: fi
368: }
369:
370: #
371: # Create a dialog for entering an integer into a kernel option.
372: #
373: function l_int () {
374: while true
375: do
376: if $DIALOG --title "$1" \
377: --backtitle "$backtitle" \
378: --inputbox "$inputbox_instructions_int" \
379: 10 75 "$4" 2>MCdialog.out
380: then
381: answer="`cat MCdialog.out`"
382: answer="${answer:-$3}"
383:
384: # Avoid problems with GNU vs POSIX expr semantics.
385: if expr "$answer" : '0$\|-[1-9][0-9]*$\|[1-9][0-9]*$' >/dev/null
386: then
387: eval $2="$answer"
388: else
389: eval $2="$3"
390: echo -en "\007"
391: ${DIALOG} --backtitle "$backtitle" \
392: --infobox "You have made an invalid entry." 3 43
393: sleep 2
394: fi
395:
396: break
397: fi
398:
399: help "$2" "$1"
400: done
401: }
402:
403: #
404: # Create a dialog for entering a hexadecimal into a kernel option.
405: #
406: function l_hex () {
407: while true
408: do
409: if $DIALOG --title "$1" \
410: --backtitle "$backtitle" \
411: --inputbox "$inputbox_instructions_hex" \
412: 10 75 "$4" 2>MCdialog.out
413: then
414: answer="`cat MCdialog.out`"
415: answer="${answer:-$3}"
416: answer="${answer##*[x,X]}"
417:
418: # Avoid problems with GNU vs POSIX expr semantics.
419: if expr "$answer" : '[0-9a-fA-F][0-9a-fA-F]*$' >/dev/null
420: then
421: eval $2="$answer"
422: else
423: eval $2="$3"
424: echo -en "\007"
425: ${DIALOG} --backtitle "$backtitle" \
426: --infobox "You have made an invalid entry." 3 43
427: sleep 2
428: fi
429:
430: break
431: fi
432:
433: help "$2" "$1"
434: done
435: }
436:
437: #
438: # Handle a one-of-many choice list.
439: #
440: function l_choice () {
441: #
442: # Need to remember params cause they're gonna get reset.
443: #
444: title="$1"
445: choices="$2"
446: current="$3"
447:
448: #
449: # Scan current value of choices and set radiolist switches.
450: #
451: list=
452: set -- $choices
453: firstchoice=$2
454: while [ -n "$2" ]
455: do
456: case "$1" in
457: "$current") list="$list $2 $1 ON " ;;
458: *) list="$list $2 $1 OFF " ;;
459: esac
460:
461: shift ; shift
462: done
463:
464: while true
465: do
466: if $DIALOG --title "$title" \
467: --backtitle "$backtitle" \
468: --radiolist "$radiolist_instructions" \
469: 15 70 6 $list 2>MCdialog.out
470: then
471: choice=`cat MCdialog.out`
472: break
473: fi
474:
475: help "$firstchoice" "$title"
476: done
477:
478: #
479: # Now set the boolean value of each option based on
480: # the selection made from the radiolist.
481: #
482: set -- $choices
483: while [ -n "$2" ]
484: do
485: if [ "$2" = "$choice" ]
486: then
487: eval $2="y"
488: else
489: eval $2="n"
490: fi
491:
492: shift ; shift
493: done
494: }
495:
496:
497: #
498: # A faster awk based recursive parser. (I hope)
499: #
500: function parser1 () {
501: awk '
502: BEGIN {
503: menu_no = 0
504: comment_is_option = 0
505: parser("'$CONFIG_IN'","MCmenu0")
506: }
507:
508: function parser(ifile,menu) {
509:
510: while (getline <ifile) {
511: if ($1 == "mainmenu_option") {
512: comment_is_option = "1"
513: }
514: else if ($1 == "comment" && comment_is_option == "1") {
515: comment_is_option= "0"
516: sub($1,"",$0)
517: ++menu_no
518:
519: printf("submenu %s MCmenu%s\n", $0, menu_no) >>menu
520:
521: printf( "function MCmenu%s () {\n"\
522: "default=$1\n"\
523: "menu_name %s\n",\
524: menu_no, $0) >"MCmenu"menu_no
525:
526: parser(ifile, "MCmenu"menu_no)
527: }
528: else if ($1 ~ "endmenu") {
529: printf("}\n") >>menu
530: return
531: }
532: else if ($0 ~ /^#|\$MAKE|mainmenu_name/) {
533: printf("") >>menu
534: }
535: else if ($1 == "source") {
536: # Yuk! Blah! Phooey!
537: if ($2 ~ "drivers/sound") {
538: printf("soundcfg\n") >>menu
539: }
540:
541: parser($2,menu)
542: }
543: else {
544: print >>menu
545: }
546: }
547: }'
548: }
549:
550: #
551: # Secondary parser for single menu mode.
552: #
553: function parser2 () {
554: awk '
555: BEGIN {
556: parser("'$CONFIG_IN'","MCmenu0")
557: }
558:
559: function parser(ifile,menu) {
560:
561: while (getline <ifile) {
562: if ($1 ~ /mainmenu_option|endmenu/) {
563: printf("") >>menu
564: }
565: else if ($0 ~ /^#|\$MAKE|mainmenu_name/) {
566: printf("") >>menu
567: }
568: else if ($1 == "source") {
569: if ($2 ~ "drivers/sound") {
570: printf("soundcfg\n") >>menu
571: }
572: parser($2,menu)
573: }
574: else {
575: print >>menu
576: }
577: }
578: }'
579: }
580:
581: #
582: # Parse all the config.in files into mini scripts.
583: #
584: function parse_config_files () {
585: rm -f MCmenu*
586:
587: echo "function MCmenu0 () {" >MCmenu0
588: echo 'default=$1' >>MCmenu0
589: echo "menu_name 'Main Menu'" >>MCmenu0
590:
591: if [ "_$single_menu_mode" = "_TRUE" ]
592: then
593: parser2
594: else
595: parser1
596: fi
597:
598: echo "comment ''" >>MCmenu0
599: echo "g_alt_config" >>MCmenu0
600: echo "s_alt_config" >>MCmenu0
601:
602: echo "}" >>MCmenu0
603:
604: #
605: # These mini scripts must be sourced into the current
606: # environment in order for all of this to work. Leaving
607: # them on the disk as executables screws up the recursion
608: # in activate_menu(), among other things. Once they are
609: # sourced we can discard them.
610: #
611: for i in MCmenu*
612: do
613: source ./$i
614: done
615:
616: rm -f MCmenu*
617: }
618:
619: #
620: # This is the menu tree's bootstrap.
621: #
622: # Executes the parsed menus on demand and creates a set of functions,
623: # one per configuration option. These functions will in turn execute
624: # dialog commands or recursively call other menus.
625: #
626: function activate_menu () {
627: while true
628: do
629: comment_ctr=0 #So comment lines get unique tags
630:
631: $1 "$default" #Create the lxdialog menu & functions
632:
633: if [ "$?" != "0" ]
634: then
635: clear
636: cat <<EOM
637:
638: Menuconfig has encountered a possible error in one of the kernel's
639: configuration files and is unable to continue.
640:
641: Please report this to the author <[email protected]>. You may also
642: send a problem report to [email protected] or post a
643: message to the linux.dev.kernel news group.
644:
645: Please indicate the kernel version you are trying to configure and
646: which menu you were trying to enter when this error occurred.
647:
648: EOM
649: cleanup
650: exit 1
651: fi
652:
653: . ./MCradiolists #Source the menu's functions
654:
655: . ./MCmenu 2>MCdialog.out #Activate the lxdialog menu
656: ret=$?
657:
658: read selection <MCdialog.out
659:
660: case "$ret" in
661: 0|3|4|5|6)
662: defaults="$selection$defaults" #pseudo stack
663: case "$ret" in
664: 0) eval $selection ;;
665: 3) eval $selection y ;;
666: 4) eval $selection n ;;
667: 5) eval $selection m ;;
668: 6) eval $selection c ;;
669: esac
670: default="${defaults%%*}" defaults="${defaults#*}"
671: ;;
672: 2)
673: default="${selection%%\ *}"
674:
675: case "$selection" in
676: *"-->"*|*"alt_config"*)
677: show_readme ;;
678: *)
679: eval help $selection ;;
680: esac
681: ;;
682: 255|1)
683: break
684: ;;
685: 139)
686: stty sane
687: clear
688: cat <<EOM
689:
690: There seems to be a problem with the lxdialog companion utility which is
691: built prior to running Menuconfig. Usually this is an indicator that you
692: have upgraded/downgraded your ncurses libraries and did not remove the
693: old ncurses header file(s) in /usr/include or /usr/include/ncurses.
694:
695: It is VERY important that you have only one set of ncurses header files
696: and that those files are properly version matched to the ncurses libraries
697: installed on your machine.
698:
699: You may also need to rebuild lxdialog. This can be done by moving to
700: the /usr/src/linux/scripts/lxdialog directory and issuing the
701: "make clean all" command.
702:
703: If you have verified that your ncurses install is correct, you may email
704: the author <[email protected]> or post a message on the linux.dev.kernel
705: news group for additional assistance.
706:
707: EOM
708: cleanup
709: exit 139
710: ;;
711: esac
712: done
713: }
714:
715: #
716: # Create a menu item to load an alternate configuration file.
717: #
718: g_alt_config () {
719: echo -n "get_alt_config 'Load an Alternate Configuration File' "\
720: >>MCmenu
721: }
722:
723: #
724: # Get alternate config file name and load the
725: # configuration from it.
726: #
727: get_alt_config () {
728: set -f ## Switch file expansion OFF
729:
730: while true
731: do
732: ALT_CONFIG="${ALT_CONFIG:-$_CONFIG}"
733:
734: $DIALOG --backtitle "$backtitle" \
735: --inputbox "\
736: Enter the name of the configuration file you wish to load. \
737: Accept the name shown to restore the configuration you \
738: last retrieved. Leave blank to abort."\
739: 11 55 "$ALT_CONFIG" 2>MCdialog.out
740:
741: if [ "$?" = "0" ]
742: then
743: ALT_CONFIG=`cat MCdialog.out`
744:
745: [ "_" = "_$ALT_CONFIG" ] && break
746:
747: if eval [ -r "$ALT_CONFIG" ]
748: then
749: eval load_config_file "$ALT_CONFIG"
750: break
751: else
752: echo -ne "\007"
753: $DIALOG --backtitle "$backtitle" \
754: --infobox "File does not exist!" 3 38
755: sleep 2
756: fi
757: else
758: cat <<EOM >help.out
759:
760: For various reasons, one may wish to keep several different kernel
761: configurations available on a single machine.
762:
763: If you have saved a previous configuration in a file other than the
764: kernel's default, entering the name of the file here will allow you
765: to modify that configuration.
766:
767: If you are uncertain, then you have probably never used alternate
768: configuration files. You should therefor leave this blank to abort.
769:
770: EOM
771: $DIALOG --backtitle "$backtitle"\
772: --title "Load Alternate Configuration"\
773: --textbox help.out $ROWS $COLS
774: fi
775: done
776:
777: set +f ## Switch file expansion ON
778: rm -f help.out MCdialog.out
779: }
780:
781: #
782: # Create a menu item to store an alternate config file.
783: #
784: s_alt_config () {
785: echo -n "save_alt_config 'Save Configuration to an Alternate File' "\
786: >>MCmenu
787: }
788:
789: #
790: # Get an alternate config file name and save the current
791: # configuration to it.
792: #
793: save_alt_config () {
794: set -f ## Switch file expansion OFF
795:
796: while true
797: do
798:
799: $DIALOG --backtitle "$backtitle" \
800: --inputbox "\
801: Enter a filename to which this configuration should be saved \
802: as an alternate. Leave blank to abort."\
803: 10 55 "$ALT_CONFIG" 2>MCdialog.out
804:
805: if [ "$?" = "0" ]
806: then
807: ALT_CONFIG=`cat MCdialog.out`
808:
809: [ "_" = "_$ALT_CONFIG" ] && break
810:
811: if eval touch $ALT_CONFIG 2>/dev/null
812: then
813: eval save_configuration $ALT_CONFIG
814: load_functions ## RELOAD
815: break
816: else
817: echo -ne "\007"
818: $DIALOG --backtitle "$backtitle" \
819: --infobox "Can't create file! Probably a nonexistent directory." 3 60
820: sleep 2
821: fi
822: else
823: cat <<EOM >help.out
824:
825: For various reasons, one may wish to keep different
826: configurations available on a single machine.
827:
828: Entering a file name here will allow you to later retrieve, modify
829: and use the current configuration as an alternate to whatever
830: configuration options you have selected at that time.
831:
832: If you are uncertain what all this means then you should probably
833: leave this blank.
834: EOM
835: $DIALOG --backtitle "$backtitle"\
836: --title "Save Alternate Configuration"\
837: --textbox help.out $ROWS $COLS
838: fi
839: done
840:
841: set +f ## Switch file expansion ON
842: rm -f help.out MCdialog.out
843: }
844:
845:
846: #
847: # Load config file into the environment converting all
848: # "# OPTION is not set" lines to "OPTION=n".
849: #
850: # The $ARCH defaults are loaded first so "new"/previously
851: # unconfigured parameters are assigned the proper defaults.
852: #
853: function load_config_file () {
854: eval "`sed -e 's/# \(.*\) is not set.*/\1=n/' dmsdos-config.default $1`"
855: }
856:
857:
858: #
859: # Just what it says.
860: #
861: save_configuration () {
862: ${DIALOG} --backtitle "$backtitle" \
863: --infobox "Saving dmsdos configuration..." 3 40
864:
865: #
866: # Now, let's redefine the configuration functions for final
867: # output to the config files.
868: #
869: # Nested function definitions, YIPEE!
870: #
871: function bool () {
872: eval define_bool "$2" "\${$2:-n}"
873: }
874:
875: function tristate () {
876: eval define_bool "$2" "\${$2:-n}"
877: }
878:
879: function dep_tristate () {
880: eval x=\${$2:-n}
881:
882: if eval [ "_$3" = "_m" ]
883: then
884: if [ "$x" = "y" ]
885: then
886: x="m"
887: fi
888: fi
889:
890: define_bool "$2" "$x"
891: }
892:
893: function int () {
894: eval x=\${$2:-"$3"}
895: echo "$2=$x" >>$CONFIG
896: echo "#define $2 ($x)" >>$CONFIG_H
897: }
898:
899: function hex () {
900: eval x=\${$2:-"$3"}
901: echo "$2=$x" >>$CONFIG
902: echo "#define $2 0x${x##*[x,X]}" >>$CONFIG_H
903: }
904:
905: function define_bool () {
906: eval $1="$2"
907:
908: case "$2" in
909: y)
910: echo "$1=y" >>$CONFIG
911: echo "#define $1 1" >>$CONFIG_H
912: ;;
913:
914: m)
915: if [ "$CONFIG_MODULES" = "y" ]
916: then
917: echo "$1=m" >>$CONFIG
918: echo "#undef $1" >>$CONFIG_H
919: echo "#define $1_MODULE 1" >>$CONFIG_H
920: else
921: echo "$1=y" >>$CONFIG
922: echo "#define $1 1" >>$CONFIG_H
923: fi
924: ;;
925:
926: n)
927: echo "# $1 is not set" >>$CONFIG
928: echo "#undef $1" >>$CONFIG_H
929: ;;
930: esac
931: }
932:
933: function choice () {
934: #
935: # Find the first choice that's already set to 'y'
936: #
937: choices="$2"
938: default="$3"
939: current=
940:
941: set -- $choices
942: while [ -n "$2" ]
943: do
944: if eval [ "_\$$2" = "_y" ]
945: then
946: current=$1
947: break
948: fi
949: shift ; shift
950: done
951:
952: #
953: # Use the default if none were set.
954: #
955: : ${current:=$default}
956:
957: #
958: # Then extract the actual option from the list of choices.
959: #
960: current=${choices#*$current} ; set $current
961:
962: define_bool "$1" "y"
963: }
964:
965: function mainmenu_name () {
966: :
967: }
968:
969: function mainmenu_option () {
970: comment_is_option=TRUE
971: }
972:
973: function endmenu () {
974: :
975: }
976:
977: function comment () {
978: if [ "$comment_is_option" ]
979: then
980: comment_is_option=
981: echo >>$CONFIG
982: echo "#" >>$CONFIG
983: echo "# $1" >>$CONFIG
984: echo "#" >>$CONFIG
985:
986: echo >>$CONFIG_H
987: echo "/*" >>$CONFIG_H
988: echo " * $1" >>$CONFIG_H
989: echo " */" >>$CONFIG_H
990: fi
991: }
992:
993: DEF_CONFIG="${1:-$_CONFIG}"
994: DEF_CONFIG_H="$AUTOCONF_H"
995:
996: CONFIG=.tmpconfig
997: CONFIG_H=.tmpconfig.h
998:
999: echo "#" >$CONFIG
1000: echo "# Automatically generated by make menuconfig: don't edit" >>$CONFIG
1001: echo "#" >>$CONFIG
1002:
1003: echo "/*" >$CONFIG_H
1004: echo " * Automatically generated by make menuconfig: don't edit" >>$CONFIG_H
1005: echo " * Use make menuconfig instead." >>$CONFIG_H
1006: echo " */" >>$CONFIG_H
1007:
1008: MAKE=: #To prevent sound Makefile from running.
1009:
1010: if . $CONFIG_IN >>.menuconfig.log 2>&1
1011: then
1012: if [ -f "$DEF_CONFIG" ]
1013: then
1014: rm -f ${DEF_CONFIG}.old
1015: mv $DEF_CONFIG ${DEF_CONFIG}.old
1016: fi
1017:
1018: mv $CONFIG $DEF_CONFIG
1019: mv $CONFIG_H $DEF_CONFIG_H
1020:
1021: return 0
1022: else
1023: return 1
1024: fi
1025: }
1026:
1027:
1028: #
1029: # Remove temporary files
1030: #
1031: cleanup () {
1032: cleanup1
1033: cleanup2
1034: stty $S_TERMIO
1035: }
1036:
1037: cleanup1 () {
1038: rm -f MCmenu* MCradiolists MCdialog.out help.out
1039: }
1040:
1041: cleanup2 () {
1042: rm -f .tmpconfig .tmpconfig.h
1043: }
1044:
1045: set_geometry () {
1046: # Some distributions export these with incorrect values
1047: # which can really screw up some ncurses programs.
1048: LINES= COLUMNS=
1049:
1050: ROWS=${1:-24} COLS=${2:-80}
1051:
1052: # Just in case the nasty rlogin bug returns.
1053: #
1054: [ $ROWS = 0 ] && ROWS=24
1055: [ $COLS = 0 ] && COLS=80
1056:
1057: if [ $ROWS -lt 19 -o $COLS -lt 80 ]
1058: then
1059: echo -e "\n\007Your display is too small to run Menuconfig!"
1060: echo "It must be at least 19 lines by 80 columns."
1061: exit 0
1062: fi
1063:
1064: ROWS=$((ROWS-4)) COLS=$((COLS-5))
1065: }
1066:
1067: S_TERMIO=`stty -g`
1068:
1069: set_geometry `stty size 2>/dev/null`
1070:
1071: menu_instructions="\
1072: Arrow keys navigate the menu. \
1073: <Enter> selects submenus --->. \
1074: Highlighted letters are hotkeys. \
1075: Pressing <Y> includes, <N> excludes features. \
1076: Press <Esc><Esc> to exit, <?> for Help. \
1077: Legend: [*] built-in [ ] excluded "
1078:
1079: radiolist_instructions="\
1080: Use the arrow keys to navigate this window or \
1081: press the hotkey of the item you wish to select \
1082: followed by the <SPACE BAR>.
1083: Press <?> for additional information about this option."
1084:
1085: inputbox_instructions_int="\
1086: Please enter a decimal value. \
1087: Fractions will not be accepted. \
1088: Use the <TAB> key to move from the input field to the buttons below it."
1089:
1090: inputbox_instructions_hex="\
1091: Please enter a hexadecimal value. \
1092: Use the <TAB> key to move from the input field to the buttons below it."
1093:
1094: DIALOG="${DIALOG:-/usr/src/linux/scripts/lxdialog/lxdialog}"
1095:
1096: if [ ! -x $DIALOG ];
1097: then
1098: echo "Compiling lxdialog in kernel source tree..."
1099: make -C /usr/src/linux/scripts/lxdialog lxdialog
1100: if [ "$?" != "0" ];
1101: then
1102: echo "Something's wrong here. Sorry, I don't know what."
1103: exit 1
1104: fi
1105: fi
1106:
1107: backtitle="Dmsdos CVF-FAT Module Configuration"
1108:
1109: trap "cleanup ; rm -f .menuconfig ; exit 1" 1 2 15
1110:
1111:
1112: #
1113: # Locate default files.
1114: #
1115: DEFAULTS="dmsdos-config.default"
1116:
1117: CONFIG_IN="${1:-./config.in}"
1118:
1119: _CONFIG="${2:-.config}"
1120:
1121: AUTOCONF_H="dmsdos-config.h"
1122:
1123: if [ -f "$_CONFIG" ]; then
1124: DEFAULTS=$_CONFIG
1125: fi
1126:
1127: if [ -f $DEFAULTS ]
1128: then
1129: echo
1130: echo "Using defaults found in" $DEFAULTS
1131: load_config_file $DEFAULTS
1132: else
1133: echo
1134: echo "No defaults found"
1135: fi
1136:
1137: # Fresh new log.
1138: >.menuconfig.log
1139:
1140: $DIALOG --backtitle "$backtitle" \
1141: --infobox "Preparing configuration scripts..." 3 40
1142:
1143: # Load the functions used by the config.in files.
1144: load_functions
1145:
1146: #
1147: # Read config.in files and parse them into one shell function per menu.
1148: #
1149: parse_config_files $CONFIG_IN
1150:
1151: #
1152: # Start the ball rolling from the top.
1153: #
1154: activate_menu MCmenu0
1155:
1156: #
1157: # All done!
1158: #
1159: cleanup1
1160:
1161: #
1162: # Confirm and Save
1163: #
1164: if $DIALOG --backtitle "$backtitle" \
1165: --yesno "Do you wish to save your new dmsdos configuration?" 5 60
1166:
1167: then
1168: save_configuration
1169: stty $S_TERMIO
1170: clear
1171:
1172: cat <<EOM
1173:
1174:
1175: The dmsdos module is now configured. Do a 'make clean; make' to (re)compile.
1176:
1177: EOM
1178: else
1179: clear
1180: stty $S_TERMIO
1181: echo -e "Your dmsdos configuration changes were NOT saved.\n"
1182: exit 1
1183: fi
1184:
1185:
1186: exit 0
1187:
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