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