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 # build and install into $STAGING_DIR
  20
  21 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" -j $CPUS install &&
  22 make $UCLIBC_MAKE_FLAGS PREFIX="$STAGING_DIR/usr" DEVEL_PREFIX="/" -j $CPUS install_utils
  23
  24 [ $? -ne 0 ] && dienow
  25
  26 # install into $ROOT_DIR
  27
  28 make $UCLIBC_MAKE_FLAGS PREFIX="$ROOT_DIR" install_runtime
  29
  30 [ -e "$STAGING_DIR/usr/lib/libc.so" ] && cp "$STAGING_DIR/usr/lib/libc.so" \
  31         "$ROOT_DIR/lib/libc.so"
  32
  33 # remove some hardwired paths from libc.so linker script
  34 # which point to / because of RUNTIME_PREFIX which would
  35 # try to leak in bits from the host system. Maybe we should
  36 # install uClibc twice with different RUNTIME_PREFIX one
  37 # for the STAGING_DIR and one for the rootfs /.
  38
  39 [ -e "$STAGING_DIR/usr/lib/libc.so" ] && \
  40         sed -i 's,/lib/,,g' "$STAGING_DIR/usr/lib/libc.so"
  41
  42 # copy compiler related include files and libraries into
  43 # $STAGING_DIR so that the compiler wrapper (ccwrap) will
  44 # find it were it expects them.
  45
  46 cp -r "$(dirname $(which $CC))/../cc" "$STAGING_DIR/usr" || dienow
  47 cp -P $(dirname $(which $CC))/../lib/libgcc* "$STAGING_DIR/usr/lib" || dienow
  48
  49 # tell the compiler wrapper to link all further packages
  50 # against the newly built libc
  51
  52 export CCWRAP_TOPDIR=$OLD_CCWRAP_TOPDIR
  53
  54 cleanup uClibc