config/setconfig

   1 #!/bin/sh
   2 #############################################################################
   3 #
   4 #       This script gets called in two ways,  the first is to set the
   5 #       default config up.  The second "final" pass is to save any settings
   6 #       back to the vendors directory for permanent inclusion.
   7 #
   8 #       Copyright (C) 2001       Lineo    <davidm@snapgear.com>
   9 #       Copyright (C) 2001-2002  SnapGear <davidm@snapgear.com>
  10 #
  11 #############################################################################
  12 #
  13 # Some basic starting points
  14 #
  15
  16 CONFIG=.config
  17 if [ -f ./.oldconfig ]
  18 then
  19         . ./.oldconfig
  20 fi
  21
  22 PASS="$1"
  23 VENDOR=""
  24 PRODUCT=""
  25 LINUXDIR=""
  26 LIBCDIR=""
  27 LIBCBASEDIR=""
  28
  29 #############################################################################
  30 #
  31 # this code closely matches that in mkconfig,  it has to !
  32 #
  33
  34 get_kernel()
  35 {
  36         KERNEL="`grep '^CONFIG_DEFAULTS_KERNEL_.*=y' ${CONFIG}`"
  37         if [ -z "${KERNEL}" ]; then
  38                 return 1
  39         fi
  40         KERNEL=${KERNEL##CONFIG_DEFAULTS_KERNEL_}
  41         KERNEL=${KERNEL%%=y}
  42         KERNEL="`echo ${KERNEL} | sed -e 's/_/./g'`"
  43         # the old behaviour
  44         [ -d linux-${KERNEL} ] || KERNEL="${KERNEL}.x"
  45         return 0
  46 }
  47
  48 var_isset() # because of make evironment inheritance,  we must look in the file
  49 {
  50         if grep "$1=y" $CONFIG > /dev/null
  51         then
  52                 return 0
  53         fi
  54         return 1
  55 }
  56
  57 fix_name()
  58 {
  59         echo $1 | tr '[\-\.\/\+a-z]' '[____A-Z]'
  60 }
  61
  62 #
  63 # remove line containing $1 append line $2 to file in $3
  64 #
  65 replace_line()
  66 {
  67         TMPR="/tmp/setconfig.$$"
  68         if [ -f "$3" ]
  69         then
  70                 cat "$3" | grep -v "$1" > "$TMPR"
  71         else
  72                 touch "$TMPR"
  73         fi
  74         echo "$2" >> "$TMPR"
  75         cp "$TMPR" "$3"
  76         rm -f "$TMPR"
  77 }
  78
  79 fix_conf_files()
  80 {
  81         #
  82         # add some bits for convienence, must be done after each stage
  83         #
  84
  85         replace_line CONFIG_VENDOR= "CONFIG_VENDOR=$VENDOR"       .config
  86         replace_line CONFIG_PRODUCT= "CONFIG_PRODUCT=$PRODUCT"    .config
  87         replace_line CONFIG_LINUXDIR= "CONFIG_LINUXDIR=$LINUXDIR" .config
  88         replace_line CONFIG_LIBCDIR= "CONFIG_LIBCDIR=$LIBCDIR"    .config
  89
  90         replace_line CONFIG_VENDOR "#define CONFIG_VENDOR \"$VENDOR\"" \
  91                  autoconf.h
  92         replace_line CONFIG_PRODUCT "#define CONFIG_PRODUCT \"$PRODUCT\"" \
  93                  autoconf.h
  94         replace_line CONFIG_LINUXDIR "#define CONFIG_LINUXDIR \"$LINUXDIR\"" \
  95                  autoconf.h
  96         replace_line CONFIG_LIBCDIR "#define CONFIG_LIBCDIR \"$LIBCDIR\"" \
  97                  autoconf.h
  98         replace_line VENDORS_AUTOCONF_INCLUDED \
  99                  "#define VENDORS_AUTOCONF_INCLUDED" autoconf.h
 100         replace_line "#undef AUTOCONF_INCLUDED" "#undef AUTOCONF_INCLUDED" \
 101                  autoconf.h
 102
 103         replace_line OLD_VENDOR   "OLD_VENDOR=\"$VENDOR\""   ./.oldconfig
 104         replace_line OLD_PRODUCT  "OLD_PRODUCT=\"$PRODUCT\"" ./.oldconfig
 105         replace_line OLD_LINUXDIR "OLD_LINUXDIR=\"$LINUXDIR\"" ./.oldconfig
 106         replace_line OLD_LIBCDIR  "OLD_LIBCDIR=\"$LIBCDIR\"" ./.oldconfig
 107 }
 108
 109 #############################################################################
 110
 111 for i in vendors/*/*/config.arch
 112 do
 113         IFS=/
 114         set -- $i
 115         IFS="
 116         "
 117         VDIR="`dirname $i`"
 118         if [ -f "$VDIR/config.languages" ]
 119         then
 120                 for j in `cat "$VDIR/config.languages"`
 121                 do
 122                         if var_isset "CONFIG_DEFAULTS_`fix_name $2`_`fix_name $3`_`fix_name $j`"
 123                         then
 124                                 VENDOR="$2"
 125                                 PRODUCT="$3"
 126                                 break 2
 127                         fi
 128                 done
 129         fi
 130         if var_isset "CONFIG_DEFAULTS_`fix_name $2`_`fix_name $3`"
 131         then
 132                 VENDOR="$2"
 133                 PRODUCT="$3"
 134                 break
 135         fi
 136 done
 137
 138 #############################################################################
 139
 140 if [ "$VENDOR$PRODUCT" = "" ]; then
 141         echo "You have not selected a Vendor/Product in the config." >&2
 142         exit 1
 143 fi
 144
 145 #############################################################################
 146 #
 147 # kernel version
 148 #
 149
 150 # get_kernel defines KERNEL for us
 151 if get_kernel; then
 152         LINUXDIR="linux-${KERNEL}"
 153 else
 154         echo "Unknown kernel configuration." >&2
 155         exit 1
 156 fi
 157
 158 if [ ! -d ${LINUXDIR} ]; then
 159         echo "Missing kernel directory ${LINUXDIR}." >&2
 160         exit 1
 161 fi
 162
 163 #############################################################################
 164 #
 165 # libc verions (uC-libc is a special case to prevent confusion)
 166 #
 167
 168 for i in uC-libc uClibc uClibc-* glibc glibc-*
 169 do
 170         if var_isset "CONFIG_DEFAULTS_LIBC_`fix_name $i`"
 171         then
 172                 LIBCNAME="`echo ${i} | sed 's/-[0-9].*$//g'`"
 173                 LIBCBASEDIR=${i}
 174                 case "$i" in
 175                 None)    LIBCDIR=""; LIBCBASEDIR="$LIBCDIR" ;;
 176                 uC-libc) LIBCDIR="libc"; LIBCBASEDIR="$LIBCDIR" ;;
 177                 *)       LIBCDIR="$LIBCBASEDIR" ;;
 178                 esac
 179                 break
 180         fi
 181 done
 182
 183 #############################################################################
 184 #
 185 # Now install the configs,  careful not dump on them unless they asked us to
 186 #
 187
 188 if [ "$PASS" != "final" ]; then
 189
 190         #
 191         # if the user touches any important settings then force a clean
 192         # otherwise bad things can happen in the tree
 193         #
 194         if [ "$OLD_PRODUCT$OLD_VENDOR$OLD_LINUXDIR$OLD_LIBCDIR" != \
 195                         "$PRODUCT$VENDOR$LINUXDIR$LIBCDIR" ]; then
 196                 if [ -f .oldconfig ]; then
 197                         cp .config .config.save
 198                         cp .oldconfig .config
 199                         echo; echo; echo; echo
 200                         if [ $NO_CLEAN ]
 201                         then
 202                                 echo "**** Not cleaning tree ****"
 203                                 echo; echo; echo; echo
 204                                 sleep 3;
 205                         else
 206                                 echo "**** Cleaning tree for old settings ****"
 207                                 echo "rm -rf romfs; make clean > /dev/null 2>&1"
 208                                 echo; echo; echo; echo
 209                                 rm -rf romfs
 210                                 make clean > /dev/null 2>&1
 211                         fi
 212                         cp .config.save .config
 213                         rm -f .config.save
 214
 215                         [ "$LIBCDIR" ] && rm -f $LIBCDIR/.config
 216                         rm -f $LINUXDIR/.config
 217                         rm -f config/.config
 218                         rm -f config.arch
 219                         [ ! -d modules ] || rm -f modules/.config
 220                 fi
 221         fi
 222
 223     # once before the oldconfig stuff is run
 224         fix_conf_files
 225
 226         rm -f config.arch
 227         ln -s "vendors/$VENDOR/$PRODUCT/config.arch" config.arch
 228
 229         # make sure any auto config files are created now !
 230         make -C config VENDOR="$VENDOR" PRODUCT="$PRODUCT" autoconf
 231
 232         if [ ! -f $LINUXDIR/.config ] || var_isset CONFIG_DEFAULTS_OVERRIDE; then
 233                 ARCH=$(echo -e "e:\\n\\t@echo \$(ARCH)\\ninclude config.arch" | \
 234                        ROOTDIR=$PWD make --no-print-directory -s -f - 2>/dev/null)
 235                 if [ -f "vendors/$VENDOR/$PRODUCT/config.$LINUXDIR" ]; then
 236                         cp "vendors/$VENDOR/$PRODUCT/config.$LINUXDIR" $LINUXDIR/.config
 237                 elif [ -f "vendors/$VENDOR/$PRODUCT/config.linux" ]; then
 238                         cp "vendors/$VENDOR/$PRODUCT/config.linux" $LINUXDIR/.config
 239
 240                 elif [ -f "$LINUXDIR/arch/$ARCH/configs/${PRODUCT}_defconfig" ]; then
 241                         cp "$LINUXDIR/arch/$ARCH/configs/${PRODUCT}_defconfig" $LINUXDIR/.config
 242                 else
 243                         echo; echo; echo; echo
 244                         echo "*********************** NOTICE ****************************"
 245                         echo "There is no preset config for $LINUXDIR on platform $VENDOR/$PRODUCT."
 246                         echo "If you choose to continue you will have to setup a linux"
 247                         echo "config from scratch which is a very complex task."
 248                         echo "You will find it easier if you can copy a config.$LINUXDIR"
 249                         echo "from another platform that is similar."
 250                         echo
 251                         echo "If you know what you are doing press <ENTER> otherwise"
 252                         echo "Type ^C to abort."
 253                         read dummy
 254                 fi
 255                 make oldconfig_linux
 256         fi
 257
 258         #
 259         # everything about modules is optional,  optional modules dir
 260         # and optional modules config files
 261         #
 262         if [ -d modules ]; then
 263                 TMP=`expr $LINUXDIR : "[^-][^-]*\(-.*\)"`
 264                 if [ -f "vendors/$VENDOR/$PRODUCT/config.modules$TMP" ]
 265                 then
 266                         TMP="vendors/$VENDOR/$PRODUCT/config.modules$TMP"
 267                 else
 268                         TMP="vendors/$VENDOR/$PRODUCT/config.modules"
 269                 fi
 270                 if [ ! -f modules/.config ] || var_isset CONFIG_DEFAULTS_OVERRIDE; then
 271                         if [ -f "$TMP" ]; then
 272                                 cp "$TMP" modules/.config
 273                         fi
 274                         make oldconfig_modules
 275                 fi
 276         fi
 277
 278         if [ ! -f config/.config ] || var_isset CONFIG_DEFAULTS_OVERRIDE; then
 279                 TMP=`expr $LINUXDIR : "[^-][^-]*\(-.*\)"`
 280                 if [ -f "vendors/$VENDOR/$PRODUCT/config.vendor$TMP" ]
 281                 then
 282                         cp "vendors/$VENDOR/$PRODUCT/config.vendor$TMP" config/.config
 283                 elif [ -f "vendors/$VENDOR/$PRODUCT/config.vendor" ]
 284                 then
 285                         cp "vendors/$VENDOR/$PRODUCT/config.vendor" config/.config
 286                 else
 287                         echo; echo; echo; echo
 288                         echo "*********************** NOTICE ****************************"
 289                         echo "There is no preset config for applications on platform $VENDOR/$PRODUCT."
 290                         echo "If you choose to continue you will have to setup your"
 291                         echo "application config from scratch.  You will find it easier"
 292                         echo "if you can copy a config.vendor file from another platform"
 293                         echo "that is similar."
 294                         echo
 295                         echo "If you press <ENTER> you will be forced into the application"
 296                         echo "config screen as part of the config process."
 297                         echo "You may type ^C to abort."
 298                         read dummy
 299                         #
 300                         # force config of user apps
 301                         #
 302                         replace_line CONFIG_DEFAULTS_VENDOR= \
 303                                         "CONFIG_DEFAULTS_VENDOR=y" .config
 304                 fi
 305                 make oldconfig_config
 306         fi
 307
 308         if [ -L lib/$LIBCBASEDIR ]; then
 309                 rm -f lib/$LIBCBASEDIR
 310         fi
 311
 312         if [ ! -e lib/$LIBCBASEDIR -a -e $LIBCBASEDIR/. ] ; then
 313                 ln -s "`pwd`/$LIBCBASEDIR" "lib/$LIBCBASEDIR"
 314         fi
 315
 316         case "$LIBCBASEDIR" in
 317         uClibc*)
 318                 if [ ! -f lib/$LIBCDIR/.config ] || var_isset CONFIG_DEFAULTS_OVERRIDE; then
 319                         TMP=`expr $LINUXDIR : "[^-][^-]*\(-.*\)"`
 320                         if [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR$TMP" ]; then
 321                                 cp "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR$TMP" \
 322                                                 lib/$LIBCDIR/.config
 323                         elif [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME$TMP" ]; then
 324                                 cp "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME$TMP" \
 325                                                 lib/$LIBCDIR/.config
 326                         elif [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR" ]; then
 327                                 cp "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR" \
 328                                                 lib/$LIBCDIR/.config
 329                         elif [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME" ]; then
 330                                 cp "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME" \
 331                                                 lib/$LIBCDIR/.config
 332                         else
 333                                 echo; echo; echo; echo
 334                                 echo "********************** NOTICE ***************************"
 335                                 echo "There is no preset config for $LIBCBASEDIR on platform"
 336                                 echo "$VENDOR/$PRODUCT.  $LIBCBASEDIR cannot build without this."
 337                                 echo "You should copy a config.$LIBCBASEDIR from another"
 338                                 echo "target that is similar to yours to your chosen"
 339                                 echo "vendor/../.. directory and check that it is correct."
 340                                 echo
 341                                 echo "Once you have done that start the config process again."
 342                                 exit 1
 343                         fi
 344                         make oldconfig_uClibc
 345                 fi
 346                 ;;
 347         esac
 348
 349         # and once after to clean up
 350         fix_conf_files
 351 fi
 352
 353 #############################################################################
 354 #
 355 # The override config option is always turned off when we are done so that
 356 # someone doesn't get all upset that they lost their config files.
 357 #
 358 # Always add the VENDOR/PRODUCT dir for the build to work
 359 #
 360
 361 if [ "$PASS" = "final" ]; then
 362
 363         fix_conf_files
 364
 365         #
 366         # check for other config options
 367         #
 368
 369         if var_isset CONFIG_DEFAULTS_OVERRIDE; then
 370                 sed 's/^\(CONFIG_DEFAULTS_OVERRIDE\)=y/# \1 is not set/' < .config \
 371                                 > .config.tmp
 372                 cp .config.tmp .config
 373                 rm -f .config.tmp
 374         fi
 375
 376         if var_isset CONFIG_DEFAULTS_VENDOR_UPDATE; then
 377
 378                 if [ -f "vendors/$VENDOR/$PRODUCT/config.$LINUXDIR" ]
 379                 then
 380                         cp $LINUXDIR/.config "vendors/$VENDOR/$PRODUCT/config.$LINUXDIR"
 381                 else
 382                         cp $LINUXDIR/.config "vendors/$VENDOR/$PRODUCT/config.linux"
 383                 fi
 384                 TMP=`expr $LINUXDIR : "[^-][^-]*\(-.*\)"`
 385                 if [ -f "vendors/$VENDOR/$PRODUCT/config.vendor$TMP" ]
 386                 then
 387                         cp config/.config "vendors/$VENDOR/$PRODUCT/config.vendor$TMP"
 388                 else
 389                         cp config/.config "vendors/$VENDOR/$PRODUCT/config.vendor"
 390                 fi
 391                 if [ -f modules/.config ]; then
 392                         if [ -f "vendors/$VENDOR/$PRODUCT/config.modules$TMP" ]
 393                         then
 394                                 cp modules/.config "vendors/$VENDOR/$PRODUCT/config.modules$TMP"
 395                         else
 396                                 cp modules/.config "vendors/$VENDOR/$PRODUCT/config.modules"
 397                         fi
 398                 fi
 399                 if [ -f "$LIBCDIR/.config" ]; then
 400                         if [ "$LIBCBASEDIR" = "$LIBCNAME" ]; then
 401                                 if [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME$TMP" ]; then
 402                                         cp $LIBCDIR/.config "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME$TMP"
 403                                 else
 404                                         cp $LIBCDIR/.config "vendors/$VENDOR/$PRODUCT/config.$LIBCNAME"
 405                                 fi
 406                         else
 407                                 if [ -f "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR$TMP" ]; then
 408                                         cp $LIBCDIR/.config "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR$TMP"
 409                                 else
 410                                         cp $LIBCDIR/.config "vendors/$VENDOR/$PRODUCT/config.$LIBCBASEDIR"
 411                                 fi
 412                         fi
 413                 fi
 414
 415                 sed 's/^\(CONFIG_DEFAULTS_VENDOR_UPDATE\)=y/# \1 is not set/' <.config\
 416                                 > .config.tmp
 417                 cp .config.tmp .config
 418                 rm -f .config.tmp
 419
 420                 if [ -f "vendors/$VENDOR/$PRODUCT/config.device" ]
 421                 then
 422                         cp .config "vendors/$VENDOR/$PRODUCT/config.device"
 423                 fi
 424         fi
 425
 426         grep -v CONFIG_DEFAULTS_VENDOR= < .config | \
 427                 grep -v CONFIG_DEFAULTS_MODULES= | \
 428                 grep -v CONFIG_DEFAULTS_KERNEL= > .config.tmp
 429
 430         cp .config.tmp .config
 431         rm -f .config.tmp
 432 fi
 433
 434 #############################################################################
 435 exit 0