scripts/prereq.sh

   1 #!/bin/sh
   2 # This file is part of the OpenADK project. OpenADK is copyrighted
   3 # material, please see the LICENCE file in the top-level directory.
   4
   5 #set -x
   6
   7 # resolve prerequisites for OpenADK build
   8
   9 topdir=$(pwd)
  10 target="$@"
  11 flags="$MAKEFLAGS"
  12 out=0
  13
  14 mirror=https://distfiles.openadk.org
  15 makever=4.2.1
  16 bashver=4.4.18
  17
  18 # detect operating system
  19 os=$(env uname)
  20 osver=$(env uname -r)
  21 printf " --->  $os $osver for build detected.\n"
  22
  23 # check if the filesystem is case sensitive
  24 rm -f foo
  25 echo >FOO
  26 if [ -e foo ]; then
  27   printf "ERROR: OpenADK cannot be built in a case-insensitive file system.\n"
  28   case $os in
  29     CYG*)
  30       printf "Building OpenADK on $os needs a small registry change.\n"
  31       printf "http://cygwin.com/cygwin-ug-net/using-specialnames.html\n"
  32       ;;
  33     Darwin*)
  34       printf "Building OpenADK on $os needs a case-sensitive disk partition.\n"
  35       printf "For Snow Leopard and above you can use diskutil to resize your existing disk.\n"
  36       printf "Example: sudo diskutil resizeVolume disk0s2 90G 1 jhfsx adk 30G\n"
  37       printf "For older versions you might consider to use a disk image:\n"
  38       printf "hdiutil create -type SPARSE -fs 'Case-sensitive Journaled HFS+' -size 30g ~/openadk.dmg\n"
  39       ;;
  40   esac
  41   rm -f FOO
  42   exit 1
  43 fi
  44 rm -f FOO
  45
  46 # do we have a download tool?
  47 tools="curl wget"
  48 for tool in $tools; do
  49   printf " --->  checking if $tool is installed.. "
  50   if which $tool >/dev/null; then
  51     printf "found\n"
  52     case $tool in
  53       curl)
  54           FETCHCMD="$(which $tool) --progress-bar -L -k -f -o "
  55         ;;
  56       wget)
  57           FETCHCMD="$(which $tool) -t2 --no-check-certificate -O "
  58         ;;
  59     esac
  60     break
  61   else
  62     printf "not found\n"
  63     continue
  64   fi
  65 done
  66 if [ -z "$FETCHCMD" ]; then
  67   printf "ERROR: no download tool found. Fatal error.\n"
  68   exit 1
  69 fi
  70
  71 # do we have a checksum tool?
  72 tools="sha256sum sha256 cksum shasum"
  73 for tool in $tools; do
  74   printf " --->  checking if $tool is installed.. "
  75   if which $tool >/dev/null 2>/dev/null; then
  76     printf "found\n"
  77     # check if cksum is usable
  78     case $tool in
  79       sha256sum)
  80         SHA256=$(which $tool)
  81         ;;
  82       sha256)
  83         SHA256="$(which $tool) -q"
  84         ;;
  85       cksum)
  86         if cksum -t >/dev/null 2>/dev/null; then
  87           SHA256="$(which $tool) -q -a sha256"
  88         else
  89           continue
  90         fi
  91         ;;
  92       shasum)
  93         SHA256="$(which $tool) -a 256"
  94         ;;
  95     esac
  96     break
  97   else
  98     printf "not found\n"
  99     continue
 100   fi
 101 done
 102 if [ -z "$SHA256" ]; then
 103   printf "ERROR: no checksum tool found. Fatal error.\n"
 104   exit 1
 105 fi
 106
 107 # create download dir
 108 if [ ! -d $topdir/dl ]; then
 109   mkdir -p $topdir/dl
 110 fi
 111
 112 # check for c compiler
 113 if [ $os = "Darwin" ]; then
 114   compilerbins="clang cc gcc"
 115 else
 116   compilerbins="cc gcc clang"
 117 fi
 118 for compilerbin in $compilerbins; do
 119   printf " --->  checking if $compilerbin is installed.. "
 120   if which $compilerbin >/dev/null; then
 121     printf "found\n"
 122     CC=$compilerbin
 123     CCFOUND=1
 124     break
 125   else
 126     printf "not found\n"
 127     continue
 128   fi
 129 done
 130 if [ -z "$CCFOUND" ]; then
 131   printf "ERROR: no C compiler found. Fatal error.\n"
 132   exit 1
 133 fi
 134
 135 # check for c++ compiler
 136 if [ $os = "Darwin" ]; then
 137   compilerbins="clang++ c++ g++"
 138 else
 139   compilerbins="c++ g++ clang++"
 140 fi
 141 for compilerbin in $compilerbins; do
 142   printf " --->  checking if $compilerbin is installed.. "
 143   if which $compilerbin >/dev/null; then
 144     printf "found\n"
 145     CXX=$compilerbin
 146     CXXFOUND=1
 147     break
 148   else
 149     printf "not found\n"
 150     continue
 151   fi
 152 done
 153 if [ -z "$CXXFOUND" ]; then
 154   printf "ERROR: no C++ compiler found. Fatal error.\n"
 155   exit 1
 156 fi
 157
 158 gnu_host_name=$(${CC} -dumpmachine)
 159
 160 # relocation of topdir?
 161 olddir=$(grep "^ADK_TOPDIR" prereq.mk 2>/dev/null |cut -d '=' -f 2)
 162 newdir=$(pwd)
 163
 164 if [ ! -z "$olddir" ]; then
 165   if [ "$olddir" != "$newdir" ]; then
 166     printf " --->  adk directory was relocated, fixing .."
 167     sed -i -e "s#$olddir#$newdir#g" $(find target_* -name \*.pc 2>/dev/null|xargs) 2>/dev/null
 168     sed -i -e "s#$olddir#$newdir#g" $(find host_${gnu_host_name} -type f 2>/dev/null|xargs) 2>/dev/null
 169     sed -i -e "s#$olddir#$newdir#g" $(find target_*/scripts -type f 2>/dev/null|xargs) 2>/dev/null
 170     sed -i -e "s#$olddir#$newdir#" target_*/etc/ipkg.conf 2>/dev/null
 171     sleep 1
 172     printf "done\n"
 173   fi
 174 fi
 175
 176
 177 case :$PATH: in
 178   (*:$topdir/host_${gnu_host_name}/bin:*) ;;
 179   (*) export PATH=$topdir/host_${gnu_host_name}/bin:$PATH ;;
 180 esac
 181
 182 # check for GNU make
 183 makebins="gmake make"
 184 for makebin in $makebins; do
 185   printf " --->  checking if $makebin is installed.. "
 186   if which $makebin >/dev/null 2>/dev/null; then
 187     printf "found\n"
 188     printf " --->  checking if it is GNU make.. "
 189     $makebin --version 2>/dev/null| grep GNU >/dev/null
 190     if [ $? -eq 0 ]; then
 191       printf "yes\n"
 192       MAKE=$(which $makebin)
 193     fi
 194       printf " --->  checking if it is make 4.x.. "
 195       LC_ALL=C $makebin --version 2>/dev/null| grep -i "Make 4" >/dev/null
 196       if [ $? -eq 0 ]; then
 197         printf "yes\n"
 198         break
 199       else
 200       # we need to build GNU make
 201       printf "no\n"
 202       printf " --->  compiling missing GNU make.. "
 203       cd dl
 204       $FETCHCMD make-${makever}.tar.gz $mirror/make-${makever}.tar.gz
 205       if [ $? -ne 0 ]; then
 206         printf "ERROR: failed to download make from $mirror\n"
 207         exit 1
 208       fi
 209       cd ..
 210       mkdir tmp
 211       cd tmp
 212       tar xzf ../dl/make-${makever}.tar.gz
 213       cd make-$makever
 214       ./configure --prefix=$topdir/host_$gnu_host_name
 215       make
 216       make install
 217       cd ..
 218       cd ..
 219       rm -rf tmp
 220       (cd $topdir/host_$gnu_host_name/bin/; ln -sf make gnumake)
 221       MAKE=$topdir/host_$gnu_host_name/bin/make
 222       makebin=$topdir/host_$gnu_host_name/bin/make
 223       printf " done\n"
 224     fi
 225   else
 226     printf "not found\n"
 227     continue
 228   fi
 229 done
 230
 231 # check for bash
 232 printf " --->  checking if bash is installed.. "
 233 if which bash >/dev/null; then
 234   printf "found\n"
 235   printf " --->  checking if it is bash 4.x or 5.x.. "
 236   LC_ALL=C bash --version 2>/dev/null| egrep -i 'version 4|5' >/dev/null
 237   if [ $? -eq 0 ]; then
 238     printf "yes\n"
 239   else
 240     # we need to build GNU bash 4.x
 241     printf "not found\n"
 242     printf " --->  compiling missing GNU bash.. "
 243     cd dl
 244     $FETCHCMD bash-${bashver}.tar.gz $mirror/bash-${bashver}.tar.gz
 245     if [ $? -ne 0 ]; then
 246       printf "ERROR: failed to download make from $mirror\n"
 247       exit 1
 248     fi
 249     cd ..
 250     mkdir tmp
 251     cd tmp
 252     tar xzf ../dl/bash-${bashver}.tar.gz
 253     cd bash-${bashver}
 254     ./configure --prefix=$topdir/host_$gnu_host_name/
 255     make
 256     make install
 257     cd ..
 258     cd ..
 259     rm -rf tmp
 260     printf " done\n"
 261   fi
 262 fi
 263
 264 # skip the script if distclean / cleandir
 265 if [ "$target" = "distclean" -o "$target" = "cleandir" ]; then
 266   touch prereq.mk
 267   $makebin ADK_TOPDIR=$topdir -s -f Makefile.adk $flags $target
 268   exit 0
 269 fi
 270
 271 printf " --->  checking if strings is installed.. "
 272 if ! which strings >/dev/null 2>&1; then
 273   echo You must install strings to continue.
 274   echo
 275   out=1
 276   printf "not found\n"
 277 fi
 278 printf "found\n"
 279
 280 printf " --->  checking if perl is installed.. "
 281 if ! which perl >/dev/null 2>&1; then
 282   echo You must install perl to continue.
 283   echo
 284   out=1
 285   printf "not found\n"
 286 fi
 287 printf "found\n"
 288
 289 printf " --->  checking if gzip is installed.. "
 290 if ! which gzip >/dev/null 2>&1; then
 291   echo You must install gzip to continue.
 292   echo
 293   out=1
 294   printf "not found\n"
 295 fi
 296 printf "found\n"
 297
 298 printf " --->  checking if git is installed.. "
 299 if ! which git >/dev/null 2>&1; then
 300   echo You must install git to continue.
 301   echo
 302   out=1
 303   printf "not found\n"
 304 fi
 305 printf "found\n"
 306
 307 printf " --->  checking if ncurses is installed.. "
 308 check_lxdialog=${topdir}/adk/config/lxdialog/check-lxdialog.sh
 309 CURSES_CFLAGS=$(/bin/sh ${check_lxdialog} -ccflags | tr '\n' ' ')
 310 CURSES_LIBS=$(/bin/sh ${check_lxdialog} -ldflags ${CC})
 311 if [ $? -eq 0 ]; then
 312         printf "found\n"
 313 else
 314         printf "not found\n"
 315         out=1
 316 fi
 317
 318 # creating prereq.mk
 319 echo "ADK_TOPDIR:=$(readlink -nf . 2>/dev/null || pwd -P)" > $topdir/prereq.mk
 320 echo "BASH:=$(which bash)" >> $topdir/prereq.mk
 321 echo "SHELL:=$(which bash)" >> $topdir/prereq.mk
 322 echo "GMAKE:=$MAKE" >> $topdir/prereq.mk
 323 echo "MAKE:=$MAKE" >> $topdir/prereq.mk
 324 echo "FETCHCMD:=$FETCHCMD" >> $topdir/prereq.mk
 325 echo "SHA256:=$SHA256" >> $topdir/prereq.mk
 326 echo "GNU_HOST_NAME:=${gnu_host_name}" >> $topdir/prereq.mk
 327 echo "OS_FOR_BUILD:=${os}" >> $topdir/prereq.mk
 328 echo "ARCH_FOR_BUILD:=$(${CC} -dumpmachine | sed \
 329     -e 's/x86_64-linux-gnux32/x32/' \
 330     -e s'/-.*//' \
 331     -e 's/sparc.*/sparc/' \
 332     -e 's/armeb.*/armeb/g' \
 333     -e 's/arm.*/arm/g' \
 334     -e 's/m68k.*/m68k/' \
 335     -e 's/sh[234]/sh/' \
 336     -e 's/mips-.*/mips/' \
 337     -e 's/mipsel-.*/mipsel/' \
 338     -e 's/i[3-9]86/x86/' \
 339     )" >>prereq.mk
 340 echo "CURSES_LIBS:=${CURSES_LIBS}" >> $topdir/prereq.mk
 341 echo "CURSES_CFLAGS:=${CURSES_CFLAGS}" >> $topdir/prereq.mk
 342
 343 if [ "$CC" = "clang" ]; then
 344   echo "HOST_CC:=${CC} -fbracket-depth=1024" >> $topdir/prereq.mk
 345 else
 346   echo "HOST_CC:=${CC}" >> $topdir/prereq.mk
 347 fi
 348 if [ "$CXX" = "clang++" ]; then
 349   echo "HOST_CXX:=${CXX} -fbracket-depth=1024" >> $topdir/prereq.mk
 350 else
 351   echo "HOST_CXX:=${CXX}" >> $topdir/prereq.mk
 352 fi
 353
 354 echo "HOST_CFLAGS:=-O0 -g0 -fcommon" >> $topdir/prereq.mk
 355 echo "HOST_CXXFLAGS:=-O0 -g0 -fcommon" >> $topdir/prereq.mk
 356 echo 'LANGUAGE:=C' >> $topdir/prereq.mk
 357 echo 'LC_ALL:=C' >> $topdir/prereq.mk
 358 echo "_PATH:=$PATH" >> $topdir/prereq.mk
 359 echo "PATH:=${topdir}/scripts:/usr/sbin:$PATH" >> $topdir/prereq.mk
 360 echo "GIT:=$(which git 2>/dev/null)" >> $topdir/prereq.mk
 361 echo "export ADK_TOPDIR GIT SHA256 BASH SHELL" >> $topdir/prereq.mk
 362
 363 # create temporary Makefile
 364 cat >Makefile.tmp <<'EOF'
 365 include ${ADK_TOPDIR}/prereq.mk
 366 all: test
 367
 368 test: test.c
 369         @${HOST_CC} ${HOST_CFLAGS} -o $@ $^ ${LDADD}
 370 EOF
 371
 372 # check if compiler works
 373 cat >test.c <<-'EOF'
 374         #include <stdio.h>
 375         int
 376         main()
 377         {
 378                 printf("YES");
 379                 return (0);
 380         }
 381 EOF
 382
 383 printf " --->  checking if compiler is working.. "
 384 $MAKE --no-print-directory ADK_TOPDIR=$topdir -f Makefile.tmp >/dev/null 2>&1
 385 X=$(./test 2>/dev/null)
 386 if [ X$X != XYES ]; then
 387   echo Cannot compile a simple test programme.
 388   echo You must install a host make and C compiler.
 389   echo
 390   out=1
 391 else
 392   printf "okay\n"
 393 fi
 394 rm test.c test 2>/dev/null
 395
 396 printf " --->  checking if zlib is installed.. "
 397 # check for zlib
 398 cat >test.c <<-'EOF'
 399         #include <stdio.h>
 400         #include <zlib.h>
 401
 402         #ifndef STDIN_FILENO
 403         #define STDIN_FILENO 0
 404         #endif
 405
 406         int
 407         main()
 408         {
 409                 gzFile zstdin;
 410                 char buf[1024];
 411                 int i;
 412
 413                 zstdin = gzdopen(STDIN_FILENO, "rb");
 414                 i = gzread(zstdin, buf, sizeof (buf));
 415                 if ((i > 0) && (i < sizeof (buf)))
 416                         buf[i] = '\0';
 417                 buf[sizeof (buf) - 1] = '\0';
 418                 printf("%s\n", buf);
 419                 return (0);
 420         }
 421 EOF
 422
 423 $MAKE --no-print-directory LDADD=-lz ADK_TOPDIR=$topdir -f Makefile.tmp >/dev/null 2>&1
 424 X=$(echo YES | gzip | ./test 2>/dev/null)
 425 if [ X$X != XYES ]; then
 426   echo Cannot compile a libz test program.
 427   echo You must install the zlib development package,
 428   echo usually called libz-dev, and the run-time library.
 429   echo
 430   out=1
 431 else
 432   printf "found\n"
 433 fi
 434
 435 rm test.c test 2>/dev/null
 436 rm Makefile.tmp 2>/dev/null
 437
 438 # error out on any required prerequisite
 439 if [ $out -ne 0 ]; then
 440   exit
 441 fi
 442
 443 printf " --->  checking if bc is installed.. "
 444 host_build_bc=0
 445 if which bc >/dev/null 2>&1; then
 446   if ! echo quit|bc -q 2>/dev/null >/dev/null; then
 447     printf "not usable\n"
 448     host_build_bc=1
 449   else
 450     if bc -v 2>&1| grep -q BSD >/dev/null 2>&1; then
 451       host_build_bc=1
 452       printf "not usable\n"
 453     fi
 454     printf "found\n"
 455   fi
 456 else
 457   printf "not found\n"
 458   host_build_bc=1
 459 fi
 460
 461 printf " --->  checking if bison is installed.. "
 462 host_build_bison=0
 463 if ! which bison >/dev/null 2>&1; then
 464   printf "not found\n"
 465   host_build_bison=1
 466 else
 467   printf "found\n"
 468 fi
 469
 470 printf " --->  checking if bzip2 is installed.. "
 471 host_build_bzip2=0
 472 if ! which bzip2 >/dev/null 2>&1; then
 473   printf "not found\n"
 474   host_build_bzip2=1
 475 else
 476   printf "found\n"
 477 fi
 478
 479 printf " --->  checking if file is installed.. "
 480 host_build_file=0
 481 if ! which file >/dev/null 2>&1; then
 482   printf "not found\n"
 483   host_build_file=1
 484 else
 485   printf "found\n"
 486 fi
 487
 488 printf " --->  checking if flex is installed.. "
 489 host_build_flex=0
 490 if ! which flex >/dev/null 2>&1; then
 491   printf "not found\n"
 492   host_build_flex=1
 493 else
 494   printf "found\n"
 495 fi
 496
 497 host_build_m4=0
 498 if ! which m4 >/dev/null 2>&1; then
 499   host_build_m4=1
 500 fi
 501
 502 host_build_mkimage=0
 503 if ! which mkimage >/dev/null 2>&1; then
 504   host_build_mkimage=1
 505 fi
 506
 507 printf " --->  checking if mksh is installed.. "
 508 host_build_mksh=0
 509 if ! which mksh >/dev/null 2>&1; then
 510   printf "not found\n"
 511   host_build_mksh=1
 512 else
 513   printf "found\n"
 514 fi
 515
 516 printf " --->  checking if patch is installed.. "
 517 host_build_patch=0
 518 if ! which patch >/dev/null 2>&1; then
 519   printf "not found\n"
 520   host_build_patch=1
 521 else
 522   printf "found\n"
 523 fi
 524
 525 printf " --->  checking if rsync is installed.. "
 526 host_build_rsync=0
 527 if ! which rsync >/dev/null 2>&1; then
 528   printf "not found\n"
 529   host_build_rsync=1
 530 else
 531   printf "found\n"
 532 fi
 533
 534 host_build_tar=0
 535 if which tar >/dev/null 2>&1; then
 536   if ! tar --version 2>/dev/null|grep GNU >/dev/null;then
 537     host_build_tar=1
 538   fi
 539 else
 540   host_build_tar=1
 541 fi
 542
 543 printf " --->  checking if xargs is installed.. "
 544 host_build_findutils=0
 545 if which xargs >/dev/null 2>&1; then
 546   if ! xargs --version 2>/dev/null|grep GNU >/dev/null;then
 547     printf "found but not usable\n"
 548     host_build_findutils=1
 549   else
 550     printf "found\n"
 551   fi
 552 else
 553   printf "not found\n"
 554   host_build_findutils=1
 555 fi
 556
 557 printf " --->  checking if find is installed.. "
 558 if which find >/dev/null 2>&1; then
 559   if ! find --version 2>/dev/null|grep GNU >/dev/null;then
 560     printf "found but not usable\n"
 561     host_build_findutils=1
 562   else
 563     printf "found\n"
 564   fi
 565 else
 566   printf "not found\n"
 567   host_build_findutils=1
 568 fi
 569
 570 printf " --->  checking if grep is installed.. "
 571 host_build_grep=0
 572 if which grep >/dev/null 2>&1; then
 573   if ! grep --version 2>/dev/null|grep GNU >/dev/null;then
 574     printf "found but not usable\n"
 575     host_build_grep=1
 576   else
 577     printf "found\n"
 578   fi
 579 else
 580   printf "not found\n"
 581   host_build_grep=1
 582 fi
 583
 584 printf " --->  checking if gawk is installed.. "
 585 host_build_gawk=0
 586 if ! which gawk >/dev/null 2>&1; then
 587   printf "not found\n"
 588   host_build_gawk=1
 589 else
 590   printf "found\n"
 591 fi
 592
 593 printf " --->  checking if sed is installed.. "
 594 host_build_sed=0
 595 if which sed >/dev/null 2>&1; then
 596   if ! sed --version 2>/dev/null|grep GNU >/dev/null;then
 597     printf "found but not usable\n"
 598     host_build_sed=1
 599   else
 600     printf "found\n"
 601   fi
 602 else
 603   printf "not found\n"
 604   host_build_sed=1
 605 fi
 606
 607 printf " --->  checking if cpio is installed.. "
 608 host_build_cpio=0
 609 if which cpio >/dev/null 2>&1; then
 610   if ! cpio --version 2>/dev/null|grep GNU >/dev/null;then
 611     printf "found but not usable\n"
 612     host_build_cpio=1
 613   else
 614     printf "found\n"
 615   fi
 616 else
 617   printf "not found\n"
 618   host_build_cpio=1
 619 fi
 620
 621 printf " --->  checking if xz is installed.. "
 622 host_build_xz=0
 623 if ! which xz >/dev/null 2>&1; then
 624   printf "not found\n"
 625   host_build_xz=1
 626 else
 627   printf "found\n"
 628 fi
 629
 630 # optional
 631 host_build_cdrtools=0
 632 if ! which mkisofs >/dev/null 2>&1; then
 633   host_build_cdrtools=1
 634 fi
 635
 636 host_build_genext2fs=0
 637 if ! which genext2fs >/dev/null 2>&1; then
 638   host_build_genext2fs=1
 639 fi
 640
 641 host_build_lzma=0
 642 if ! which lzma >/dev/null 2>&1; then
 643   host_build_lzma=1
 644 fi
 645
 646 host_build_zstd=0
 647 if ! which zstd >/dev/null 2>&1; then
 648   host_build_zstd=1
 649 fi
 650
 651 host_build_lz4=0
 652 if ! which lz4c >/dev/null 2>&1; then
 653   host_build_lz4=1
 654 fi
 655
 656 host_build_lzop=0
 657 if ! which lzop >/dev/null 2>&1; then
 658   host_build_lzop=1
 659 fi
 660
 661 host_build_qemu=0
 662 if ! which qemu-img >/dev/null 2>&1; then
 663   host_build_qemu=1
 664 fi
 665
 666 host_build_coreutils=0
 667 if which tr >/dev/null 2>&1; then
 668   if ! tr --version 2>/dev/null|grep GNU >/dev/null;then
 669     host_build_coreutils=1
 670   fi
 671 fi
 672
 673 echo "config ADK_HOST_BUILD_TOOLS" > $topdir/target/config/Config.in.prereq
 674 printf "\t%s\n" "bool" >> $topdir/target/config/Config.in.prereq
 675 printf "\t%s\n" "default y" >> $topdir/target/config/Config.in.prereq
 676 # always required
 677 if [ $host_build_bc -eq 1 ]; then
 678   printf "\t%s\n" "select ADK_HOST_BUILD_BC" >> $topdir/target/config/Config.in.prereq
 679 fi
 680 if [ $host_build_bison -eq 1 ]; then
 681   printf "\t%s\n" "select ADK_HOST_BUILD_BISON" >> $topdir/target/config/Config.in.prereq
 682 fi
 683 if [ $host_build_bzip2 -eq 1 ]; then
 684   printf "\t%s\n" "select ADK_HOST_BUILD_BZIP2" >> $topdir/target/config/Config.in.prereq
 685 fi
 686 if [ $host_build_file -eq 1 ]; then
 687   printf "\t%s\n" "select ADK_HOST_BUILD_FILE" >> $topdir/target/config/Config.in.prereq
 688 fi
 689 if [ $host_build_flex -eq 1 ]; then
 690   printf "\t%s\n" "select ADK_HOST_BUILD_FLEX" >> $topdir/target/config/Config.in.prereq
 691 fi
 692 if [ $host_build_gawk -eq 1 ]; then
 693   printf "\t%s\n" "select ADK_HOST_BUILD_GAWK" >> $topdir/target/config/Config.in.prereq
 694 fi
 695 if [ $host_build_grep -eq 1 ]; then
 696   printf "\t%s\n" "select ADK_HOST_BUILD_GREP" >> $topdir/target/config/Config.in.prereq
 697 fi
 698 if [ $host_build_m4 -eq 1 ]; then
 699   printf "\t%s\n" "select ADK_HOST_BUILD_M4" >> $topdir/target/config/Config.in.prereq
 700 fi
 701 if [ $host_build_mkimage -eq 1 ]; then
 702   printf "\t%s\n" "select ADK_HOST_NEED_U_BOOT" >> $topdir/target/config/Config.in.prereq
 703 fi
 704 if [ $host_build_mksh -eq 1 ]; then
 705   printf "\t%s\n" "select ADK_HOST_BUILD_MKSH" >> $topdir/target/config/Config.in.prereq
 706 fi
 707 if [ $host_build_patch -eq 1 ]; then
 708   printf "\t%s\n" "select ADK_HOST_BUILD_PATCH" >> $topdir/target/config/Config.in.prereq
 709 fi
 710 if [ $host_build_rsync -eq 1 ]; then
 711   printf "\t%s\n" "select ADK_HOST_BUILD_RSYNC" >> $topdir/target/config/Config.in.prereq
 712 fi
 713 if [ $host_build_findutils -eq 1 ]; then
 714   printf "\t%s\n" "select ADK_HOST_BUILD_FINDUTILS" >> $topdir/target/config/Config.in.prereq
 715 fi
 716 if [ $host_build_sed -eq 1 ]; then
 717   printf "\t%s\n" "select ADK_HOST_BUILD_SED" >> $topdir/target/config/Config.in.prereq
 718 fi
 719 if [ $host_build_tar -eq 1 ]; then
 720   printf "\t%s\n" "select ADK_HOST_BUILD_TAR" >> $topdir/target/config/Config.in.prereq
 721 fi
 722 if [ $host_build_coreutils -eq 1 ]; then
 723   printf "\t%s\n" "select ADK_HOST_BUILD_COREUTILS" >> $topdir/target/config/Config.in.prereq
 724 fi
 725 if [ $host_build_cpio -eq 1 ]; then
 726   printf "\t%s\n" "select ADK_HOST_BUILD_CPIO" >> $topdir/target/config/Config.in.prereq
 727 fi
 728 if [ $host_build_xz -eq 1 ]; then
 729   printf "\t%s\n" "select ADK_HOST_BUILD_XZ" >> $topdir/target/config/Config.in.prereq
 730 fi
 731 # optional
 732 if [ $host_build_cdrtools -eq 1 ]; then
 733   printf "\t%s\n" "select ADK_HOST_BUILD_CDRTOOLS if ADK_HOST_NEED_CDRTOOLS" >> $topdir/target/config/Config.in.prereq
 734 fi
 735 if [ $host_build_genext2fs -eq 1 ]; then
 736   printf "\t%s\n" "select ADK_HOST_BUILD_GENEXT2FS if ADK_HOST_NEED_GENEXT2FS" >> $topdir/target/config/Config.in.prereq
 737 fi
 738 if [ $host_build_lzma -eq 1 ]; then
 739   printf "\t%s\n" "select ADK_HOST_BUILD_LZMA if ADK_HOST_NEED_LZMA" >> $topdir/target/config/Config.in.prereq
 740 fi
 741 if [ $host_build_zstd -eq 1 ]; then
 742   printf "\t%s\n" "select ADK_HOST_BUILD_ZSTD if ADK_HOST_NEED_ZSTD" >> $topdir/target/config/Config.in.prereq
 743 fi
 744 if [ $host_build_lz4 -eq 1 ]; then
 745   printf "\t%s\n" "select ADK_HOST_BUILD_LZ4 if ADK_HOST_NEED_LZ4" >> $topdir/target/config/Config.in.prereq
 746 fi
 747 if [ $host_build_lzop -eq 1 ]; then
 748   printf "\t%s\n" "select ADK_HOST_BUILD_LZOP if ADK_HOST_NEED_LZOP" >> $topdir/target/config/Config.in.prereq
 749 fi
 750 if [ $host_build_qemu -eq 1 ]; then
 751   printf "\t%s\n" "select ADK_HOST_BUILD_QEMU if ADK_HOST_NEED_QEMU" >> $topdir/target/config/Config.in.prereq
 752 fi
 753
 754 # create Host OS symbols
 755 case $os in
 756   Linux)
 757     printf "\nconfig ADK_HOST_LINUX\n" >> $topdir/target/config/Config.in.prereq
 758     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 759     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 760     ;;
 761   Darwin)
 762     printf "\nconfig ADK_HOST_DARWIN\n" >> $topdir/target/config/Config.in.prereq
 763     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 764     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 765     ;;
 766   OpenBSD)
 767     printf "\nconfig ADK_HOST_OPENBSD\n" >> $topdir/target/config/Config.in.prereq
 768     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 769     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 770     ;;
 771   FreeBSD)
 772     printf "\nconfig ADK_HOST_FREEBSD\n" >> $topdir/target/config/Config.in.prereq
 773     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 774     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 775     ;;
 776   NetBSD)
 777     printf "\nconfig ADK_HOST_NETBSD\n" >> $topdir/target/config/Config.in.prereq
 778     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 779     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 780     ;;
 781   MirBSD)
 782     printf "\nconfig ADK_HOST_MIRBSD\n" >> $topdir/target/config/Config.in.prereq
 783     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 784     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 785     ;;
 786   Cygwin*)
 787     printf "\nconfig ADK_HOST_CYGWIN\n" >> $topdir/target/config/Config.in.prereq
 788     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 789     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 790     ;;
 791 esac
 792
 793 if [ "$target" = "defconfig" ]; then
 794   $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk $flags $target
 795   exit 0
 796 fi
 797
 798 if [ ! -f $topdir/.config ]; then
 799     # create a config if no exist
 800     touch .firstrun
 801     $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk menuconfig
 802 else
 803   # scan host-tool prerequisites of certain packages before building.
 804   . $topdir/.config
 805
 806   if [ -n "$ADK_PACKAGE_FIREFOX" ]; then
 807     NEED_RUST="$NEED_RUST firefox"
 808   fi
 809   if [ -n "$ADK_PACKAGE_FIREFOX" ]; then
 810     NEED_CARGO="$NEED_CARGO firefox"
 811   fi
 812   if [ -n "$ADK_PACKAGE_FIREFOX" ]; then
 813     NEED_CLANG="$NEED_CLANG firefox"
 814   fi
 815   if [ -n "$ADK_PACKAGE_FIREFOX" ]; then
 816     NEED_CBINDGEN="$NEED_CBINDGEN firefox"
 817   fi
 818   if [ -n "$ADK_PACKAGE_KODI" ]; then
 819     NEED_JAVA="$NEED_JAVA kodi"
 820   fi
 821
 822   if [ -n "$ADK_PACKAGE_ICU4C" ]; then
 823     NEED_STATIC_LIBSTDCXX="$NEED_STATIC_LIBSTDCXX icu4c"
 824   fi
 825
 826   if [ -n "$ADK_PACKAGE_XKEYBOARD_CONFIG" ]; then
 827     NEED_XKBCOMP="$NEED_XKBCOMP xkeyboard-config"
 828   fi
 829
 830   if [ -n "$ADK_PACKAGE_FONT_BH_100DPI" ]; then
 831     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-100dpi"
 832   fi
 833
 834   if [ -n "$ADK_PACKAGE_FONT_BH_75DPI" ]; then
 835     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-75dpi"
 836   fi
 837
 838   if [ -n "$ADK_PACKAGE_FONT_BH_TYPE1" ]; then
 839     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-type1"
 840   fi
 841
 842   if [ -n "$ADK_PACKAGE_FONT_BH_TTF" ]; then
 843     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-ttf"
 844   fi
 845
 846   if [ -n "$ADK_PACKAGE_FONT_BH_LUCIDATYPEWRITER_100DPI" ]; then
 847     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-lucidatypewriter-100dpi"
 848   fi
 849
 850   if [ -n "$ADK_PACKAGE_FONT_BH_LUCIDATYPEWRITER_75DPI" ]; then
 851     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-lucidatypewriter-75dpi"
 852   fi
 853
 854   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_100DPI" ]; then
 855     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-100dpi"
 856   fi
 857
 858   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_75DPI" ]; then
 859     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-75dpi"
 860   fi
 861
 862   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_TYPE1" ]; then
 863     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-type1"
 864   fi
 865
 866   if [ -n "$ADK_PACKAGE_FONT_ADOBE_100DPI" ]; then
 867     NEED_MKFONTDIR="$NEED_MKFONTDIR font-adobe-100dpi"
 868   fi
 869
 870   if [ -n "$ADK_PACKAGE_FONT_ADOBE_75DPI" ]; then
 871     NEED_MKFONTDIR="$NEED_MKFONTDIR font-adobe-75dpi"
 872   fi
 873
 874   if [ -n "$ADK_PACKAGE_FONT_XFREE86_TYPE1" ]; then
 875     NEED_MKFONTDIR="$NEED_MKFONTDIR font-xfree86-type1"
 876   fi
 877
 878   if [ -n "$ADK_PACKAGE_FONT_MISC_MISC" ]; then
 879     NEED_MKFONTDIR="$NEED_MKFONTDIR font-misc-misc"
 880   fi
 881
 882   if [ -n "$ADK_PACKAGE_LIBERATION_FONTS_TTF" ]; then
 883     NEED_MKFONTSCALE="$NEED_MKFONTSCALE liberation-fonts-ttf"
 884   fi
 885
 886   if [ -n "$NEED_MKFONTDIR" ]; then
 887     if ! which mkfontdir >/dev/null 2>&1; then
 888       printf "You need mkfontdir to build $NEED_MKFONTDIR \n"
 889       out=1
 890     fi
 891   fi
 892
 893   if [ -n "$NEED_MKFONTSCALE" ]; then
 894     if ! which mkfontscale >/dev/null 2>&1; then
 895       printf "You need mkfontscale to build $NEED_MKFONTSCALE \n"
 896       out=1
 897     fi
 898   fi
 899
 900   if [ -n "$NEED_XKBCOMP" ]; then
 901     if ! which xkbcomp >/dev/null 2>&1; then
 902       printf "You need xkbcomp to build $NEED_XKBCOMP \n"
 903       out=1
 904     fi
 905   fi
 906
 907   if [ -n "$NEED_JAVA" ]; then
 908     if ! which java >/dev/null 2>&1; then
 909       printf "You need java to build $NEED_JAVA \n"
 910       out=1
 911     fi
 912   fi
 913
 914   if [ -n "$NEED_RUST" ]; then
 915     if ! which rustc >/dev/null 2>&1; then
 916       printf "You need rustc to build $NEED_RUST \n"
 917       out=1
 918     fi
 919   fi
 920
 921   if [ -n "$NEED_CARGO" ]; then
 922     if ! which cargo >/dev/null 2>&1; then
 923       printf "You need cargo to build $NEED_CARGO \n"
 924       out=1
 925     fi
 926   fi
 927
 928   if [ -n "$NEED_CLANG" ]; then
 929     if ! which clang-13 >/dev/null 2>&1; then
 930       printf "You need clang-13 to build $NEED_CLANG \n"
 931       out=1
 932     fi
 933   fi
 934
 935   if [ -n "$NEED_CBINDGEN" ]; then
 936     if ! which cbindgen >/dev/null 2>&1; then
 937       printf "You need cbindgen to build $NEED_CBINDGEN \n"
 938       out=1
 939     fi
 940   fi
 941
 942   if [ -n "$NEED_STATIC_LIBSTDCXX" ]; then
 943 cat >test.c <<-'EOF'
 944         #include <stdio.h>
 945         int
 946         main()
 947         {
 948                 return (0);
 949         }
 950 EOF
 951     if ! $CXX -static-libstdc++ -o test test.c 2>/dev/null ; then
 952       printf "You need static version of libstdc++ installed to build $NEED_STATIC_LIBSTDCXX \n"
 953       out=1
 954       rm test test.c 2>/dev/null
 955     fi
 956   fi
 957
 958   # error out
 959   if [ $out -ne 0 ]; then
 960     exit $out
 961   fi
 962
 963   # start build
 964   $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk $flags $target
 965 fi