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 # resolve prerequisites for OpenADK build
   6
   7 topdir=$(pwd)
   8 target="$@"
   9 flags="$MAKEFLAGS"
  10 out=0
  11
  12 mirror=http://distfiles.openadk.org
  13 makever=4.1
  14 bashver=4.3.30
  15
  16 # detect operating system
  17 os=$(env uname)
  18 osver=$(env uname -r)
  19 printf " --->  $os $osver for build detected.\n"
  20
  21 # check if the filesystem is case sensitive
  22 rm -f foo
  23 echo >FOO
  24 if [ -e foo ]; then
  25   printf "ERROR: OpenADK cannot be built in a case-insensitive file system."
  26   case $os in
  27     CYG*)
  28       printf "Building OpenADK on $os needs a small registry change."
  29       printf "http://cygwin.com/cygwin-ug-net/using-specialnames.html"
  30       ;;
  31     Darwin*)
  32       printf "Building OpenADK on $os needs a case-sensitive disk partition."
  33       printf "For Snow Leopard and above you can use diskutil to resize your existing disk."
  34       printf "Example: sudo diskutil resizeVolume disk0s2 90G 1 jhfsx adk 30G"
  35       printf "For older versions you might consider to use a disk image:"
  36       printf "hdiutil create -type SPARSE -fs 'Case-sensitive Journaled HFS+' -size 30g ~/openadk.dmg"
  37       ;;
  38   esac
  39   rm -f FOO
  40   exit 1
  41 fi
  42 rm -f FOO
  43
  44 # do we have a download tool?
  45 tools="curl wget"
  46 for tool in $tools; do
  47   printf " --->  checking if $tool is installed.. "
  48   if which $tool >/dev/null; then
  49     printf "found\n"
  50     case $tool in
  51       curl)
  52           FETCHCMD="$(which $tool) --progress-bar -L -k -f -o "
  53         ;;
  54       wget)
  55           FETCHCMD="$(which $tool) --no-check-certificate -O "
  56         ;;
  57     esac
  58     break
  59   else
  60     printf "not found\n"
  61     continue
  62   fi
  63 done
  64 if [ -z "$FETCHCMD" ]; then
  65   printf "ERROR: no download tool found. Fatal error.\n"
  66   exit 1
  67 fi
  68
  69 # do we have a checksum tool?
  70 tools="sha256sum sha256 cksum shasum"
  71 for tool in $tools; do
  72   printf " --->  checking if $tool is installed.. "
  73   if which $tool >/dev/null 2>/dev/null; then
  74     printf "found\n"
  75     # check if cksum is usable
  76     case $tool in
  77       sha256sum)
  78         SHA256=$(which $tool)
  79         ;;
  80       sha256)
  81         SHA256="$(which $tool) -q"
  82         ;;
  83       cksum)
  84         if cksum -q >/dev/null 2>/dev/null; then
  85           SHA256="$(which $tool) -q -a sha256"
  86         else
  87           continue
  88         fi
  89         ;;
  90       shasum)
  91         SHA256="$(which $tool) -a 256"
  92         ;;
  93     esac
  94     break
  95   else
  96     printf "not found\n"
  97     continue
  98   fi
  99 done
 100 if [ -z "$SHA256" ]; then
 101   printf "ERROR: no checksum tool found. Fatal error.\n"
 102   exit 1
 103 fi
 104
 105 # create download dir
 106 if [ ! -d $topdir/dl ]; then
 107   mkdir -p $topdir/dl
 108 fi
 109
 110 # check for c compiler
 111 if [ $os = "Darwin" ]; then
 112   compilerbins="clang cc gcc"
 113 else
 114   compilerbins="cc gcc clang"
 115 fi
 116 for compilerbin in $compilerbins; do
 117   printf " --->  checking if $compilerbin is installed.. "
 118   if which $compilerbin >/dev/null; then
 119     printf "found\n"
 120     CC=$compilerbin
 121     CCFOUND=1
 122     break
 123   else
 124     printf "not found\n"
 125     continue
 126   fi
 127 done
 128 if [ -z "$CCFOUND" ]; then
 129   printf "ERROR: no C compiler found. Fatal error.\n"
 130   exit 1
 131 fi
 132
 133 # check for c++ compiler
 134 if [ $os = "Darwin" ]; then
 135   compilerbins="clang++ c++ g++"
 136 else
 137   compilerbins="c++ g++ clang++"
 138 fi
 139 for compilerbin in $compilerbins; do
 140   printf " --->  checking if $compilerbin is installed.. "
 141   if which $compilerbin >/dev/null; then
 142     printf "found\n"
 143     CXX=$compilerbin
 144     CXXFOUND=1
 145     break
 146   else
 147     printf "not found\n"
 148     continue
 149   fi
 150 done
 151 if [ -z "$CXXFOUND" ]; then
 152   printf "ERROR: no C++ compiler found. Fatal error.\n"
 153   exit 1
 154 fi
 155
 156 gnu_host_name=$(${CC} -dumpmachine)
 157
 158 # relocation of topdir?
 159 olddir=$(grep "^ADK_TOPDIR" prereq.mk 2>/dev/null |cut -d '=' -f 2)
 160 newdir=$(pwd)
 161
 162 if [ ! -z "$olddir" ]; then
 163   if [ "$olddir" != "$newdir" ]; then
 164     printf " --->  adk directory was relocated, fixing .."
 165     sed -i -e "s#$olddir#$newdir#g" $(find target_* -name \*.pc|xargs) 2>/dev/null
 166     sed -i -e "s#$olddir#$newdir#g" $(find host_${gnu_host_name} -type f|xargs) 2>/dev/null
 167     sed -i -e "s#$olddir#$newdir#g" $(find target_*/scripts -type f|xargs) 2>/dev/null
 168     sed -i -e "s#$olddir#$newdir#" target_*/etc/ipkg.conf 2>/dev/null
 169     sleep 2
 170     printf "done\n"
 171   fi
 172 fi
 173
 174
 175 case :$PATH: in
 176   (*:$topdir/host_${gnu_host_name}/bin:*) ;;
 177   (*) export PATH=$topdir/host_${gnu_host_name}/bin:$PATH ;;
 178 esac
 179
 180 # check for GNU make
 181 makebins="gmake make"
 182 for makebin in $makebins; do
 183   printf " --->  checking if $makebin is installed.. "
 184   if which $makebin >/dev/null 2>/dev/null; then
 185     printf "found\n"
 186     printf " --->  checking if it is GNU make.. "
 187     $makebin --version 2>/dev/null| grep GNU >/dev/null
 188     if [ $? -eq 0 ]; then
 189       printf "yes\n"
 190       MAKE=$(which $makebin)
 191       break
 192     else
 193       # we need to build GNU make
 194       printf "no\n"
 195       printf " --->  compiling missing GNU make.. "
 196       cd dl
 197       $FETCHCMD make-${makever}.tar.gz $mirror/make-${makever}.tar.gz
 198       if [ $? -ne 0 ]; then
 199         printf "ERROR: failed to download make from $mirror\n"
 200         exit 1
 201       fi
 202       cd ..
 203       mkdir tmp
 204       cd tmp
 205       tar xzf ../dl/make-${makever}.tar.gz
 206       cd make-$makever
 207       ./configure --prefix=$topdir/host_$gnu_host_name/
 208       make
 209       make install
 210       cd ..
 211       cd ..
 212       rm -rf tmp
 213       MAKE=$topdir/host_$gnu_host_name/bin/make
 214       makebin=$topdir/host_$gnu_host_name/bin/make
 215       printf " done\n"
 216     fi
 217   else
 218     printf "not found\n"
 219     continue
 220   fi
 221 done
 222
 223 # check for bash
 224 printf " --->  checking if bash is installed.. "
 225 if which bash >/dev/null; then
 226   printf "found\n"
 227   printf " --->  checking if it is bash 4.x.. "
 228   bash --version 2>/dev/null| grep -i "Version 4" >/dev/null
 229   if [ $? -eq 0 ]; then
 230     printf "yes\n"
 231   else
 232     # we need to build GNU bash 4.x
 233     printf "not found\n"
 234     printf " --->  compiling missing GNU bash.. "
 235     cd dl
 236     $FETCHCMD bash-${bashver}.tar.gz $mirror/bash-${bashver}.tar.gz
 237     if [ $? -ne 0 ]; then
 238       printf "ERROR: failed to download make from $mirror\n"
 239       exit 1
 240     fi
 241     cd ..
 242     mkdir tmp
 243     cd tmp
 244     tar xzf ../dl/bash-${bashver}.tar.gz
 245     cd bash-${bashver}
 246     ./configure --prefix=$topdir/host_$gnu_host_name/
 247     make
 248     make install
 249     cd ..
 250     cd ..
 251     rm -rf tmp
 252     printf " done\n"
 253   fi
 254 fi
 255
 256 # skip the script if distclean / cleandir
 257 if [ "$target" = "distclean" -o "$target" = "cleandir" ]; then
 258   touch prereq.mk
 259   $makebin ADK_TOPDIR=$topdir -s -f Makefile.adk $flags $target
 260   exit 0
 261 fi
 262
 263 printf " --->  checking if strings is installed.. "
 264 if ! which strings >/dev/null 2>&1; then
 265   echo You must install strings to continue.
 266   echo
 267   out=1
 268   printf "not found\n"
 269 fi
 270 printf "found\n"
 271
 272 printf " --->  checking if perl is installed.. "
 273 if ! which perl >/dev/null 2>&1; then
 274   echo You must install perl to continue.
 275   echo
 276   out=1
 277   printf "not found\n"
 278 fi
 279 printf "found\n"
 280
 281 printf " --->  checking if gzip is installed.. "
 282 if ! which gzip >/dev/null 2>&1; then
 283   echo You must install gzip to continue.
 284   echo
 285   out=1
 286   printf "not found\n"
 287 fi
 288 printf "found\n"
 289
 290 printf " --->  checking if git is installed.. "
 291 if ! which git >/dev/null 2>&1; then
 292   echo You must install git to continue.
 293   echo
 294   out=1
 295   printf "not found\n"
 296 fi
 297 printf "found\n"
 298
 299
 300 # creating prereq.mk
 301 echo "ADK_TOPDIR:=$(readlink -nf . 2>/dev/null || pwd -P)" > $topdir/prereq.mk
 302 echo "BASH:=$(which bash)" >> $topdir/prereq.mk
 303 echo "SHELL:=$(which bash)" >> $topdir/prereq.mk
 304 echo "GMAKE:=$MAKE" >> $topdir/prereq.mk
 305 echo "MAKE:=$MAKE" >> $topdir/prereq.mk
 306 echo "FETCHCMD:=$FETCHCMD" >> $topdir/prereq.mk
 307 echo "SHA256:=$SHA256" >> $topdir/prereq.mk
 308 echo "GNU_HOST_NAME:=${gnu_host_name}" >> $topdir/prereq.mk
 309 echo "OS_FOR_BUILD:=${os}" >> $topdir/prereq.mk
 310 echo "ARCH_FOR_BUILD:=$(${CC} -dumpmachine | sed \
 311     -e 's/x86_64-linux-gnux32/x32/' \
 312     -e s'/-.*//' \
 313     -e 's/sparc.*/sparc/' \
 314     -e 's/armeb.*/armeb/g' \
 315     -e 's/arm.*/arm/g' \
 316     -e 's/m68k.*/m68k/' \
 317     -e 's/sh[234]/sh/' \
 318     -e 's/mips-.*/mips/' \
 319     -e 's/mipsel-.*/mipsel/' \
 320     -e 's/i[3-9]86/x86/' \
 321     )" >>prereq.mk
 322
 323 if [ "$CC" = "clang" ]; then
 324   echo "HOST_CC:=${CC} -fbracket-depth=1024" >> $topdir/prereq.mk
 325 else
 326   echo "HOST_CC:=${CC}" >> $topdir/prereq.mk
 327 fi
 328 if [ "$CXX" = "clang++" ]; then
 329   echo "HOST_CXX:=${CXX} -fbracket-depth=1024" >> $topdir/prereq.mk
 330 else
 331   echo "HOST_CXX:=${CXX}" >> $topdir/prereq.mk
 332 fi
 333
 334 echo "HOST_CFLAGS:=-O0 -g0" >> $topdir/prereq.mk
 335 echo "HOST_CXXFLAGS:=-O0 -g0" >> $topdir/prereq.mk
 336 echo 'LANGUAGE:=C' >> $topdir/prereq.mk
 337 echo 'LC_ALL:=C' >> $topdir/prereq.mk
 338 echo "_PATH:=$PATH" >> $topdir/prereq.mk
 339 echo "PATH:=${topdir}/scripts:/usr/sbin:$PATH" >> $topdir/prereq.mk
 340 echo "GIT:=$(which git 2>/dev/null)" >> $topdir/prereq.mk
 341 echo "export ADK_TOPDIR GIT SHA256 BASH SHELL" >> $topdir/prereq.mk
 342
 343 # create temporary Makefile
 344 cat >Makefile.tmp <<'EOF'
 345 include ${ADK_TOPDIR}/prereq.mk
 346 all: test
 347
 348 test: test.c
 349         @${HOST_CC} ${HOST_CFLAGS} -o $@ $^ ${LDADD}
 350 EOF
 351
 352 # check if compiler works
 353 cat >test.c <<-'EOF'
 354         #include <stdio.h>
 355         int
 356         main()
 357         {
 358                 printf("YES");
 359                 return (0);
 360         }
 361 EOF
 362
 363 printf " --->  checking if compiler is working.. "
 364 $MAKE --no-print-directory ADK_TOPDIR=$topdir -f Makefile.tmp >/dev/null 2>&1
 365 X=$(./test 2>/dev/null)
 366 if [ X$X != XYES ]; then
 367   echo Cannot compile a simple test programme.
 368   echo You must install a host make and C compiler.
 369   echo
 370   out=1
 371 else
 372   printf "okay\n"
 373 fi
 374 rm test.c test 2>/dev/null
 375
 376 printf " --->  checking if zlib is installed.. "
 377 # check for zlib
 378 cat >test.c <<-'EOF'
 379         #include <stdio.h>
 380         #include <zlib.h>
 381
 382         #ifndef STDIN_FILENO
 383         #define STDIN_FILENO 0
 384         #endif
 385
 386         int
 387         main()
 388         {
 389                 gzFile zstdin;
 390                 char buf[1024];
 391                 int i;
 392
 393                 zstdin = gzdopen(STDIN_FILENO, "rb");
 394                 i = gzread(zstdin, buf, sizeof (buf));
 395                 if ((i > 0) && (i < sizeof (buf)))
 396                         buf[i] = '\0';
 397                 buf[sizeof (buf) - 1] = '\0';
 398                 printf("%s\n", buf);
 399                 return (0);
 400         }
 401 EOF
 402
 403 $MAKE --no-print-directory LDADD=-lz ADK_TOPDIR=$topdir -f Makefile.tmp >/dev/null 2>&1
 404 X=$(echo YES | gzip | ./test 2>/dev/null)
 405 if [ X$X != XYES ]; then
 406   echo Cannot compile a libz test programm.
 407   echo You must install the zlib development package,
 408   echo usually called libz-dev, and the run-time library.
 409   echo
 410   out=1
 411 else
 412   printf "found\n"
 413 fi
 414
 415 rm test.c test 2>/dev/null
 416 rm Makefile.tmp 2>/dev/null
 417
 418 # for make kernelconfig pkg-config is required to find ncurses
 419 if [ $os = "Darwin" ]; then
 420   printf " --->  checking if pkg-config is installed.. "
 421   if ! which pkg-config >/dev/null 2>&1; then
 422     printf "not found\n"
 423     out=1
 424   else
 425     printf "found\n"
 426   fi
 427 fi
 428
 429 # error out on any required prerequisite
 430 if [ $out -ne 0 ]; then
 431   exit
 432 fi
 433
 434 printf " --->  checking if bc is installed.. "
 435 host_build_bc=0
 436 if which bc >/dev/null 2>&1; then
 437   if ! echo quit|bc -q 2>/dev/null >/dev/null; then
 438     printf "not usable\n"
 439     host_build_bc=1
 440   else
 441     if bc -v 2>&1| grep -q BSD >/dev/null 2>&1; then
 442       host_build_bc=1
 443       printf "not usable\n"
 444     fi
 445     printf "found\n"
 446   fi
 447 else
 448   printf "not found\n"
 449   host_build_bc=1
 450 fi
 451
 452 printf " --->  checking if bison is installed.. "
 453 host_build_bison=0
 454 if ! which bison >/dev/null 2>&1; then
 455   printf "not found\n"
 456   host_build_bison=1
 457 else
 458   printf "found\n"
 459 fi
 460
 461 printf " --->  checking if bzip2 is installed.. "
 462 host_build_bzip2=0
 463 if ! which bzip2 >/dev/null 2>&1; then
 464   printf "not found\n"
 465   host_build_bzip2=1
 466 else
 467   printf "found\n"
 468 fi
 469
 470 printf " --->  checking if file is installed.. "
 471 host_build_file=0
 472 if ! which file >/dev/null 2>&1; then
 473   printf "not found\n"
 474   host_build_file=1
 475 else
 476   printf "found\n"
 477 fi
 478
 479 printf " --->  checking if flex is installed.. "
 480 host_build_flex=0
 481 if ! which flex >/dev/null 2>&1; then
 482   printf "not found\n"
 483   host_build_flex=1
 484 else
 485   printf "found\n"
 486 fi
 487
 488 host_build_m4=0
 489 if ! which m4 >/dev/null 2>&1; then
 490   host_build_m4=1
 491 fi
 492
 493 host_build_mkimage=0
 494 if ! which mkimage >/dev/null 2>&1; then
 495   host_build_mkimage=1
 496 fi
 497
 498 printf " --->  checking if mksh is installed.. "
 499 host_build_mksh=0
 500 if ! which mksh >/dev/null 2>&1; then
 501   printf "not found\n"
 502   host_build_mksh=1
 503 else
 504   printf "found\n"
 505 fi
 506
 507 printf " --->  checking if patch is installed.. "
 508 host_build_patch=0
 509 if ! which patch >/dev/null 2>&1; then
 510   printf "not found\n"
 511   host_build_patch=1
 512 else
 513   printf "found\n"
 514 fi
 515
 516 host_build_tar=0
 517 if which tar >/dev/null 2>&1; then
 518   if ! tar --version 2>/dev/null|grep GNU >/dev/null;then
 519     host_build_tar=1
 520   fi
 521 else
 522   host_build_tar=1
 523 fi
 524
 525 printf " --->  checking if xargs is installed.. "
 526 host_build_findutils=0
 527 if which xargs >/dev/null 2>&1; then
 528   if ! xargs --version 2>/dev/null|grep GNU >/dev/null;then
 529     printf "found but not usable\n"
 530     host_build_findutils=1
 531   else
 532     printf "found\n"
 533   fi
 534 else
 535   printf "not found\n"
 536   host_build_findutils=1
 537 fi
 538
 539 printf " --->  checking if find is installed.. "
 540 if which find >/dev/null 2>&1; then
 541   if ! find --version 2>/dev/null|grep GNU >/dev/null;then
 542     printf "found but not usable\n"
 543     host_build_findutils=1
 544   else
 545     printf "found\n"
 546   fi
 547 else
 548   printf "not found\n"
 549   host_build_findutils=1
 550 fi
 551
 552 printf " --->  checking if grep is installed.. "
 553 host_build_grep=0
 554 if which grep >/dev/null 2>&1; then
 555   if ! grep --version 2>/dev/null|grep GNU >/dev/null;then
 556     printf "found but not usable\n"
 557     host_build_grep=1
 558   else
 559     printf "found\n"
 560   fi
 561 else
 562   printf "not found\n"
 563   host_build_grep=1
 564 fi
 565
 566 printf " --->  checking if gawk is installed.. "
 567 host_build_gawk=0
 568 if ! which gawk >/dev/null 2>&1; then
 569   printf "not found\n"
 570   host_build_gawk=1
 571 else
 572   printf "found\n"
 573 fi
 574
 575 printf " --->  checking if sed is installed.. "
 576 host_build_sed=0
 577 if which sed >/dev/null 2>&1; then
 578   if ! sed --version 2>/dev/null|grep GNU >/dev/null;then
 579     printf "found but not usable\n"
 580     host_build_sed=1
 581   else
 582     printf "found\n"
 583   fi
 584 else
 585   printf "not found\n"
 586   host_build_sed=1
 587 fi
 588
 589 printf " --->  checking if cpio is installed.. "
 590 host_build_cpio=0
 591 if ! which cpio >/dev/null 2>&1; then
 592   printf "not found\n"
 593   host_build_cpio=1
 594 else
 595   printf "found\n"
 596 fi
 597
 598 printf " --->  checking if xz is installed.. "
 599 host_build_xz=0
 600 if ! which xz >/dev/null 2>&1; then
 601   printf "not found\n"
 602   host_build_xz=1
 603 else
 604   printf "found\n"
 605 fi
 606
 607 # optional
 608 host_build_cdrtools=0
 609 if ! which mkisofs >/dev/null 2>&1; then
 610   host_build_cdrtools=1
 611 fi
 612
 613 host_build_genext2fs=0
 614 if ! which genext2fs >/dev/null 2>&1; then
 615   host_build_genext2fs=1
 616 fi
 617
 618 host_build_lzma=0
 619 if ! which lzma >/dev/null 2>&1; then
 620   host_build_lzma=1
 621 fi
 622
 623 host_build_lz4=0
 624 if ! which lz4c >/dev/null 2>&1; then
 625   host_build_lz4=1
 626 fi
 627
 628 host_build_lzop=0
 629 if ! which lzop >/dev/null 2>&1; then
 630   host_build_lzop=1
 631 fi
 632
 633 host_build_qemu=0
 634 if ! which qemu-img >/dev/null 2>&1; then
 635   host_build_qemu=1
 636 fi
 637
 638 host_build_coreutils=0
 639 if which tr >/dev/null 2>&1; then
 640   if ! tr --version 2>/dev/null|grep GNU >/dev/null;then
 641     host_build_coreutils=1
 642   fi
 643 fi
 644
 645 echo "config ADK_HOST_BUILD_TOOLS" > $topdir/target/config/Config.in.prereq
 646 printf "\t%s\n" "bool" >> $topdir/target/config/Config.in.prereq
 647 printf "\t%s\n" "default y" >> $topdir/target/config/Config.in.prereq
 648 # always required
 649 if [ $host_build_bc -eq 1 ]; then
 650   printf "\t%s\n" "select ADK_HOST_BUILD_BC" >> $topdir/target/config/Config.in.prereq
 651 fi
 652 if [ $host_build_bison -eq 1 ]; then
 653   printf "\t%s\n" "select ADK_HOST_BUILD_BISON" >> $topdir/target/config/Config.in.prereq
 654 fi
 655 if [ $host_build_bzip2 -eq 1 ]; then
 656   printf "\t%s\n" "select ADK_HOST_BUILD_BZIP2" >> $topdir/target/config/Config.in.prereq
 657 fi
 658 if [ $host_build_file -eq 1 ]; then
 659   printf "\t%s\n" "select ADK_HOST_BUILD_FILE" >> $topdir/target/config/Config.in.prereq
 660 fi
 661 if [ $host_build_flex -eq 1 ]; then
 662   printf "\t%s\n" "select ADK_HOST_BUILD_FLEX" >> $topdir/target/config/Config.in.prereq
 663 fi
 664 if [ $host_build_gawk -eq 1 ]; then
 665   printf "\t%s\n" "select ADK_HOST_BUILD_GAWK" >> $topdir/target/config/Config.in.prereq
 666 fi
 667 if [ $host_build_grep -eq 1 ]; then
 668   printf "\t%s\n" "select ADK_HOST_BUILD_GREP" >> $topdir/target/config/Config.in.prereq
 669 fi
 670 if [ $host_build_m4 -eq 1 ]; then
 671   printf "\t%s\n" "select ADK_HOST_BUILD_M4" >> $topdir/target/config/Config.in.prereq
 672 fi
 673 if [ $host_build_mkimage -eq 1 ]; then
 674   printf "\t%s\n" "select ADK_HOST_NEED_U_BOOT" >> $topdir/target/config/Config.in.prereq
 675 fi
 676 if [ $host_build_mksh -eq 1 ]; then
 677   printf "\t%s\n" "select ADK_HOST_BUILD_MKSH" >> $topdir/target/config/Config.in.prereq
 678 fi
 679 if [ $host_build_patch -eq 1 ]; then
 680   printf "\t%s\n" "select ADK_HOST_BUILD_PATCH" >> $topdir/target/config/Config.in.prereq
 681 fi
 682 if [ $host_build_findutils -eq 1 ]; then
 683   printf "\t%s\n" "select ADK_HOST_BUILD_FINDUTILS" >> $topdir/target/config/Config.in.prereq
 684 fi
 685 if [ $host_build_sed -eq 1 ]; then
 686   printf "\t%s\n" "select ADK_HOST_BUILD_SED" >> $topdir/target/config/Config.in.prereq
 687 fi
 688 if [ $host_build_tar -eq 1 ]; then
 689   printf "\t%s\n" "select ADK_HOST_BUILD_TAR" >> $topdir/target/config/Config.in.prereq
 690 fi
 691 if [ $host_build_cpio -eq 1 ]; then
 692   printf "\t%s\n" "select ADK_HOST_BUILD_CPIO" >> $topdir/target/config/Config.in.prereq
 693 fi
 694 if [ $host_build_xz -eq 1 ]; then
 695   printf "\t%s\n" "select ADK_HOST_BUILD_XZ" >> $topdir/target/config/Config.in.prereq
 696 fi
 697 # optional
 698 if [ $host_build_cdrtools -eq 1 ]; then
 699   printf "\t%s\n" "select ADK_HOST_BUILD_CDRTOOLS if ADK_HOST_NEED_CDRTOOLS" >> $topdir/target/config/Config.in.prereq
 700 fi
 701 if [ $host_build_genext2fs -eq 1 ]; then
 702   printf "\t%s\n" "select ADK_HOST_BUILD_GENEXT2FS if ADK_HOST_NEED_GENEXT2FS" >> $topdir/target/config/Config.in.prereq
 703 fi
 704 if [ $host_build_lzma -eq 1 ]; then
 705   printf "\t%s\n" "select ADK_HOST_BUILD_LZMA if ADK_HOST_NEED_LZMA" >> $topdir/target/config/Config.in.prereq
 706 fi
 707 if [ $host_build_lz4 -eq 1 ]; then
 708   printf "\t%s\n" "select ADK_HOST_BUILD_LZ4 if ADK_HOST_NEED_LZ4" >> $topdir/target/config/Config.in.prereq
 709 fi
 710 if [ $host_build_lzop -eq 1 ]; then
 711   printf "\t%s\n" "select ADK_HOST_BUILD_LZOP if ADK_HOST_NEED_LZOP" >> $topdir/target/config/Config.in.prereq
 712 fi
 713 if [ $host_build_qemu -eq 1 ]; then
 714   printf "\t%s\n" "select ADK_HOST_BUILD_QEMU if ADK_HOST_NEED_QEMU" >> $topdir/target/config/Config.in.prereq
 715 fi
 716 if [ $host_build_coreutils -eq 1 ]; then
 717   printf "\t%s\n" "select ADK_HOST_BUILD_COREUTILS if ADK_HOST_NEED_COREUTILS" >> $topdir/target/config/Config.in.prereq
 718 fi
 719
 720 # create Host OS symbols
 721 case $os in
 722   Linux)
 723     printf "\nconfig ADK_HOST_LINUX\n" >> $topdir/target/config/Config.in.prereq
 724     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 725     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 726     ;;
 727   Darwin)
 728     printf "\nconfig ADK_HOST_DARWIN\n" >> $topdir/target/config/Config.in.prereq
 729     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 730     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 731     ;;
 732   OpenBSD)
 733     printf "\nconfig ADK_HOST_OPENBSD\n" >> $topdir/target/config/Config.in.prereq
 734     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 735     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 736     ;;
 737   FreeBSD)
 738     printf "\nconfig ADK_HOST_FREEBSD\n" >> $topdir/target/config/Config.in.prereq
 739     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 740     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 741     ;;
 742   NetBSD)
 743     printf "\nconfig ADK_HOST_NETBSD\n" >> $topdir/target/config/Config.in.prereq
 744     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 745     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 746     ;;
 747   MirBSD)
 748     printf "\nconfig ADK_HOST_MIRBSD\n" >> $topdir/target/config/Config.in.prereq
 749     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 750     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 751     ;;
 752   Cygwin*)
 753     printf "\nconfig ADK_HOST_CYGWIN\n" >> $topdir/target/config/Config.in.prereq
 754     printf "\tbool\n" >> $topdir/target/config/Config.in.prereq
 755     printf "\tdefault y\n" >> $topdir/target/config/Config.in.prereq
 756     ;;
 757 esac
 758
 759 if [ "$target" = "defconfig" ]; then
 760   $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk $flags $target
 761   exit 0
 762 fi
 763
 764 if [ ! -f $topdir/.config ]; then
 765     # create a config if no exist
 766     touch .firstrun
 767     $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk menuconfig
 768 else
 769   # scan host-tool prerequisites of certain packages before building.
 770   . $topdir/.config
 771   if [ -n "$ADK_PACKAGE_KODI" ]; then
 772     NEED_JAVA="$NEED_JAVA kodi"
 773   fi
 774
 775   if [ -n "$ADK_PACKAGE_ICU4C" ]; then
 776     NEED_STATIC_LIBSTDCXX="$NEED_STATIC_LIBSTDCXX icu4c"
 777   fi
 778
 779   if [ -n "$ADK_PACKAGE_XKEYBOARD_CONFIG" ]; then
 780     NEED_XKBCOMP="$NEED_XKBCOMP xkeyboard-config"
 781   fi
 782
 783   if [ -n "$ADK_PACKAGE_FONT_BH_100DPI" ]; then
 784     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-100dpi"
 785   fi
 786
 787   if [ -n "$ADK_PACKAGE_FONT_BH_75DPI" ]; then
 788     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-75dpi"
 789   fi
 790
 791   if [ -n "$ADK_PACKAGE_FONT_BH_TYPE1" ]; then
 792     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-type1"
 793   fi
 794
 795   if [ -n "$ADK_PACKAGE_FONT_BH_TTF" ]; then
 796     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-ttf"
 797   fi
 798
 799   if [ -n "$ADK_PACKAGE_FONT_BH_LUCIDATYPEWRITER_100DPI" ]; then
 800     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-lucidatypewriter-100dpi"
 801   fi
 802
 803   if [ -n "$ADK_PACKAGE_FONT_BH_LUCIDATYPEWRITER_75DPI" ]; then
 804     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bh-lucidatypewriter-75dpi"
 805   fi
 806
 807   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_100DPI" ]; then
 808     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-100dpi"
 809   fi
 810
 811   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_75DPI" ]; then
 812     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-75dpi"
 813   fi
 814
 815   if [ -n "$ADK_PACKAGE_FONT_BITSTREAM_TYPE1" ]; then
 816     NEED_MKFONTDIR="$NEED_MKFONTDIR font-bitstream-type1"
 817   fi
 818
 819   if [ -n "$ADK_PACKAGE_FONT_ADOBE_100DPI" ]; then
 820     NEED_MKFONTDIR="$NEED_MKFONTDIR font-adobe-100dpi"
 821   fi
 822
 823   if [ -n "$ADK_PACKAGE_FONT_ADOBE_75DPI" ]; then
 824     NEED_MKFONTDIR="$NEED_MKFONTDIR font-adobe-75dpi"
 825   fi
 826
 827   if [ -n "$ADK_PACKAGE_FONT_XFREE86_TYPE1" ]; then
 828     NEED_MKFONTDIR="$NEED_MKFONTDIR font-xfree86-type1"
 829   fi
 830
 831   if [ -n "$ADK_PACKAGE_FONT_MISC_MISC" ]; then
 832     NEED_MKFONTDIR="$NEED_MKFONTDIR font-misc-misc"
 833   fi
 834
 835   if [ -n "$ADK_PACKAGE_LIBERATION_FONTS_TTF" ]; then
 836     NEED_MKFONTSCALE="$NEED_MKFONTSCALE liberation-fonts-ttf"
 837   fi
 838
 839   if [ -n "$NEED_MKFONTDIR" ]; then
 840     if ! which mkfontdir >/dev/null 2>&1; then
 841       printf "You need mkfontdir to build $NEED_MKFONTDIR \n"
 842       out=1
 843     fi
 844   fi
 845
 846   if [ -n "$NEED_MKFONTSCALE" ]; then
 847     if ! which mkfontscale >/dev/null 2>&1; then
 848       printf "You need mkfontscale to build $NEED_MKFONTSCALE \n"
 849       out=1
 850     fi
 851   fi
 852
 853   if [ -n "$NEED_XKBCOMP" ]; then
 854     if ! which xkbcomp >/dev/null 2>&1; then
 855       printf "You need xkbcomp to build $NEED_XKBCOMP \n"
 856       out=1
 857     fi
 858   fi
 859
 860   if [ -n "$NEED_JAVA" ]; then
 861     if ! which java >/dev/null 2>&1; then
 862       printf "You need java to build $NEED_JAVA \n"
 863       out=1
 864     fi
 865   fi
 866
 867   if [ -n "$NEED_STATIC_LIBSTDCXX" ]; then
 868 cat >test.c <<-'EOF'
 869         #include <stdio.h>
 870         int
 871         main()
 872         {
 873                 return (0);
 874         }
 875 EOF
 876     if ! $CXX -static-libstdc++ -o test test.c 2>/dev/null ; then
 877       printf "You need static version of libstdc++ installed to build $NEED_STATIC_LIBSTDCXX \n"
 878       out=1
 879       rm test test.c 2>/dev/null
 880     fi
 881   fi
 882
 883   # error out
 884   if [ $out -ne 0 ]; then
 885     exit $out
 886   fi
 887
 888   # start build
 889   $makebin ADK_TOPDIR=$topdir --no-print-directory -f Makefile.adk $flags $target
 890 fi