sources/sections/uClibc.sh

   1 # Build and install uClibc.
   2
   3 setupfor uClibc
   4
   5 # We need to unset the environment variable for ccwrap from include.sh
   6 # because there is no libc to link against we are building it here.
   7 # The reason why it is set in include.sh is that it works for manual
   8 # package builds ala ./build.sh qi-bootmenu
   9
  10 OLD_CCWRAP_TOPDIR=$CCWRAP_TOPDIR
  11 unset CCWRAP_TOPDIR
  12
  13 make CROSS="$CROSS" KCONFIG_ALLCONFIG="$CONFIG_DIR/miniconfig-uClibc" allnoconfig &&
  14 cp .config "$CONFIG_DIR/config-uClibc" || dienow
  15
  16 UCLIBC_MAKE_FLAGS="CROSS=$CROSS KERNEL_HEADERS=$STAGING_DIR/usr/include \
  17         RUNTIME_PREFIX=/ UCLIBC_LDSO_NAME=ld-uClibc $VERBOSITY"
  18
  19 # prepare the headers files this is a pre requirement for locale generation
  20
  21 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" headers
  22 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" include/bits/sysnum.h
  23
  24 # configure/generate just the minimal needed locales
  25 # UCLIBC_BUILD_MINIMAL_LOCALE doesn't seem to be present
  26 # in the Kconfig files but it is nevertheless used in the
  27 # Makefile
  28
  29 cd extra/locale
  30 make clean
  31 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" UCLIBC_BUILD_MINIMAL_LOCALE=y DEVEL_PREFIX="/"
  32 cd - >/dev/null
  33
  34 # build and install into $STAGING_DIR
  35
  36 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" -j $CPUS install &&
  37 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" -j $CPUS install_utils
  38
  39 [ $? -ne 0 ] && dienow
  40
  41 # install into $ROOT_DIR
  42
  43 make $UCLIBC_MAKE_FLAGS PREFIX="$ROOT_DIR" install_runtime
  44
  45 [ -e "$STAGING_DIR/usr/lib/libc.so" ] && cp "$STAGING_DIR/usr/lib/libc.so" \
  46         "$ROOT_DIR/lib/libc.so"
  47
  48 # remove some hardwired paths from libc.so linker script
  49 # which point to / because of RUNTIME_PREFIX which would
  50 # try to leak in bits from the host system. Maybe we should
  51 # install uClibc twice with different RUNTIME_PREFIX one
  52 # for the STAGING_DIR and one for the rootfs /.
  53
  54 [ -e "$STAGING_DIR/usr/lib/libc.so" ] && \
  55         sed -i 's,/lib/,,g' "$STAGING_DIR/usr/lib/libc.so"
  56
  57 # copy compiler related include files and libraries into
  58 # $STAGING_DIR so that the compiler wrapper (ccwrap) will
  59 # find it were it expects them.
  60
  61 cp -r "$(dirname $(which $CC))/../cc" "$STAGING_DIR/usr" || dienow
  62 cp -P $(dirname $(which $CC))/../lib/libgcc* "$STAGING_DIR/usr/lib" || dienow
  63
  64 # tell the compiler wrapper to link all further packages
  65 # against the newly built libc
  66
  67 export CCWRAP_TOPDIR=$OLD_CCWRAP_TOPDIR
  68
  69 cleanup uClibc