87 lines
2.5 KiB
Bash
Executable File
87 lines
2.5 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
set -e
|
|
|
|
# Load common properties and functions in the current script.
|
|
. ./common.sh
|
|
|
|
BUILD_KERNEL_MODULES=`read_property BUILD_KERNEL_MODULES`
|
|
|
|
echo "*** GENERATE ROOTFS BEGIN ***"
|
|
|
|
echo "Preparing rootfs work area. This may take a while."
|
|
rm -rf $ROOTFS
|
|
|
|
# Copy all Busybox generated stuff to the location of our 'rootfs' folder.
|
|
cp -r $BUSYBOX_INSTALLED $ROOTFS
|
|
|
|
# Copy all rootfs resources to the location of our 'rootfs' folder.
|
|
cp -r $SRC_DIR/minimal_rootfs/* $ROOTFS
|
|
|
|
# Delete the '.keep' files which we use in order to keep track of otherwise
|
|
# empty folders.
|
|
find $ROOTFS/* -type f -name '.keep' -exec rm {} +
|
|
|
|
# Remove 'linuxrc' which is used when we boot in 'RAM disk' mode.
|
|
rm -f $ROOTFS/linuxrc
|
|
|
|
# This is for the dynamic loader. Note that the name and the location are both
|
|
# specific for 32-bit and 64-bit machines. First we check the Busybox executable
|
|
# and then we copy the dynamic loader to its appropriate location.
|
|
BUSYBOX_ARCH=$(file $ROOTFS/bin/busybox | cut -d' ' -f3)
|
|
if [ "$BUSYBOX_ARCH" = "64-bit" ] ; then
|
|
mkdir -p $ROOTFS/lib64
|
|
cp $SYSROOT/lib/ld-linux* $ROOTFS/lib64
|
|
echo "Dynamic loader is accessed via '/lib64'."
|
|
else
|
|
cp $SYSROOT/lib/ld-linux* $ROOTFS/lib
|
|
echo "Dynamic loader is accessed via '/lib'."
|
|
fi
|
|
|
|
# Copy all necessary 'glibc' libraries to '/lib' BEGIN.
|
|
|
|
# Busybox has direct dependencies on these libraries.
|
|
cp $SYSROOT/lib/libm.so.6 $ROOTFS/lib
|
|
cp $SYSROOT/lib/libc.so.6 $ROOTFS/lib
|
|
cp $SYSROOT/lib/libresolv.so.2 $ROOTFS/lib
|
|
|
|
# Copy all necessary 'glibc' libraries to '/lib' END.
|
|
|
|
echo "Reducing the size of libraries and executables."
|
|
set +e
|
|
strip -g \
|
|
$ROOTFS/bin/* \
|
|
$ROOTFS/sbin/* \
|
|
$ROOTFS/lib/* \
|
|
2>/dev/null
|
|
set -e
|
|
|
|
# Read the 'OVERLAY_LOCATION' property from '.config'
|
|
OVERLAY_LOCATION=`read_property OVERLAY_LOCATION`
|
|
|
|
if [ "$OVERLAY_LOCATION" = "rootfs" ] && \
|
|
[ -d $OVERLAY_ROOTFS ] && \
|
|
[ ! "`ls -A $OVERLAY_ROOTFS`" = "" ] ; then
|
|
|
|
echo "Merging overlay software in rootfs."
|
|
|
|
# With '--remove-destination' all possibly existing soft links in
|
|
# $OVERLAY_ROOTFS will be overwritten correctly.
|
|
cp -r --remove-destination \
|
|
$OVERLAY_ROOTFS/* $ROOTFS
|
|
cp -r --remove-destination \
|
|
$SRC_DIR/minimal_overlay/rootfs/* $ROOTFS
|
|
|
|
# Copy all modules to the sysroot folder.
|
|
if [ "$BUILD_KERNEL_MODULES" = "true" ] ; then
|
|
echo "Copying modules. This may take a while."
|
|
cp -r --remove-destination $KERNEL_INSTALLED/lib $ROOTFS
|
|
fi
|
|
fi
|
|
|
|
echo "The rootfs area has been generated."
|
|
|
|
cd $SRC_DIR
|
|
|
|
echo "*** GENERATE ROOTFS END ***"
|