WikiDevi.Wi-Cat.RU:DD-WRT/Noob-Friendly Customized install.sh for compiling from source
I have heavily modified the original install.sh so that it is more useful and flexible. This script is not 100% complete but it is functional and will simplify the initial process of compiling from source. Because it is still in development, I would recommend that you first follow the steps here Compiling DD-WRT Sources to lay out the necessary directory structure and required files. You don't have to use install.sh, instead you can use this script to compile the distribution you want. Before copying my script please read and understand its purpose and limitations.
<<WARNING>> This is still under development. Some features do not work as expected. <<WARNING>>
What this script will allow you to do:
- Compile a single distribution, eg. builddwrt mini
- Compile a combination of distributions, eg. builddwrt micro mini
- Create your build environment from scratch, eg. builddwrt -nd
- Download and update the source using subversion, eg. builddwrt -s
When you use the -d option, the script will automatically generate the correct filename based on the current date, then it will use wget to grab the file. If this attempt fails, the script will automatically try to download the previous day's snapshot. It will attempt to grab only the first snapshot it finds from the last 7 days. If it cannot find a snapshot by this method then you are asked to supply the date of the snapshot you want to grab.
You can name this script whatever you like and the help menu will reflect this so it appears personalized. It can also be placed most anywhere in your local path, but it's best placed directly in your home directory (~). Don't forget to issue chmod x to make this script executable.
You can combine some of the options, for example, builddwrt -ndp2 mini normal voip. This will create the directory structure for your build environment, download the latest snapshot, pause the output for 2 seconds between stages (in case you're watching), then build the image files for mini, normal and voip distributions. If you specify "all", this will expand to "micro mini normal voip openvpn".
What this script does NOT do:
This script only changes the interface for compiling your source, that is, you can consider this as install.sh on steroids. I did not make any attempts to change the actual scripts which perform the compilation, for example, install_mini.sh. Assuming we have the correct directory structure (as per the wiki), if install.sh does not properly compile your source then neither will my script.
Unless I have made a terrible mistake, if the original install.sh works for you then this script will do the same. You just have better control over the initial process.
The usual disclaimer applies here. I wrote this for my own edification and enjoyment and make no guarantees of any kind. I'm sharing this in case someone in this forum has the same interest and curiosity as myself, and may find some uses for it. I'm sure this script is rather trivial to the more experienced and technical individuals visiting this forum, but it works for me and I like it.
Copy the script below and save as builddwrt or something else you prefer.
#!/bin/sh
#####################################################
# Custom install.sh script for DD-WRT v23 SP1
# version 0.1b, Apr 20 2006 --jayC
#
# Based on the original install.sh script and ideas
# from http://forum.bsr-clan.de/ftopic7326.html
#
# License: GPL2
#####################################################
####################################
## Declaration and Initialization ##
####################################
hr="-----------------------------------------------------------------"
debug=0
## Use hidden option "-G" to enable debug mode for this script.
## No actions will be committed while in debug mode. This is only
## useful if you intend to modify this script and run some tests.
## Display usage information
usage() {
cat <<MENU
$hr
Compile DD-WRT v23 SP1 with your choice of distribution(s).
Syntax: `basename $0` -[ndfshC] [-p<seconds>] distribution
Distributions: micro, mini, normal, openvpn, voip, all
Options:
-n Prepare a new build environment
-d Download latest source from snapshot
-f Force overwrite of previous files
-s Use subversion to grab latest source
-p <seconds> Add pause to screen output
-h Display this information
-C Check build environment
Examples of Proper Use:
`basename $0` mini
`basename $0` -p 5 micro
`basename $0` normal voip
`basename $0` -df all
`basename $0` -ndp3 openvpn
To troubleshoot your build you can log all output by doing one of
the following examples:
`basename $0` voip | tee build.log #View and log output at same time
`basename $0` voip > build.log #No output, just create log file
You can find your log file in the same directory as your script.
$hr
MENU
exit
}
## This is our debug message
debug_script() {
cat <<DEBUG
$hr
Debug Mode (-G) Enabled
No actions will be committed.
Number of arguments passed to `basename $0` = $arg
Parameters passed = $params
Distribution(s) selected = $@
Number of seconds to pause screen output = $delay
$hr
DEBUG
}
## Initialize variables
arg=$# ## number of arguments
params="$@" ## parameter list
dist=""
opt="no"
new="no"
dl="no"
force="no"
svn="no"
delay=0
proceed="no"
build_all="micro mini normal openvpn voip"
env="no"
startdir=`pwd`
ddroot="/home/dd-wrt"
snaproot="$ddroot/snapshot"
buildroot="$snaproot/DD-WRT"
site="http://www.dd-wrt.com/dd-wrtv2/downloads/sourcecode"
chainfile="toolchains.x86.debian.sp1.tar.bz2"
toolchain_url="$site/$chainfile"
chainroot="$ddroot/toolchains"
tc3_full="3.4.6-uclibc-0.9.28"
tc3_short="3.4.6"
tc4_full="4.1.0-uclibc-0.9.28"
tc4_short="4.1.0"
## Looks like we need some help
need_help() {
echo "Please use \"`basename $0 `-h\" to get help."
exit
}
## Check for proper build environment
check_env() {
if [ -d $buildroot ]; then
env="yes"
fi
}
## Check if any arguments passed
if [ $arg -eq 0 ]; then
echo -e "\nNo arguments passed. See below for usage."
usage
fi
## Parse the options first, exit if unknown
## Using getopts is more efficient than shift alone
while getopts ndfsp:hG option
do
case $option in
n) new="yes"
opt="yes" ;;
d) dl="yes"
opt="yes" ;;
f) force="yes"
opt="yes" ;;
s) svn="yes"
opt="yes" ;;
p) delay=$OPTARG
case $delay in
0|1|2|3|4|5) opt="yes" ;;
*) echo -e "\nSyntax error. -p value must be between 0 - 5."
need_help ;;
esac ;;
h) usage ;;
G) debug=1
opt="yes" ;;
C) ;; ## Check default build environment
\?) echo -e "\nSyntax error. Unknown option in \"$params\"."
need_help ;;
esac
done
## Process the distributions next by dropping the options
if [ "$opt" = "yes" ]; then
shift `expr $OPTIND - 1`
fi
## Optional debugging output
if [ $debug -eq 1 ]; then
debug_script
fi
## Now validate the distributions
## Update these two variables with our new values
params="$@"
arg="$#"
## Exit immediately if distribution is unknown
if [ $arg -eq 1 ]; then
if [ "$params" = "all" ]; then
dist="$build_all"
proceed="yes"
else
case $params in
micro|mini|normal|voip|openvpn)
dist="$params"
proceed="yes" ;;
*) echo -e "\nSyntax error. Unknown distribution \"$params\"."
need_help ;;
esac
fi
else ## multiple distributions
for each in $params; do
if [ "$each" = "all" ]; then
echo -e "\nSyntax error in \"$params\". Cannot use \"all\" this way."
need_help
else
case $each in
micro|mini|normal|voip|openvpn)
dist=$dist" $each"
proceed="yes" ;;
*) echo -e "\nSyntax error. Unknown distribution in \"$params\"."
need_help ;;
esac
fi
done
fi
## Construct url for previous snapshot
## I haven't fully tested this routine, so it may
## not handle transitioning between months. In that
## case you will have to enter the date manually for
## the snapshot you want to download.
back_one_day() {
days=`expr $days + 1`
monthday=`expr $(date +%d) - $days`
snapday="$(date +%m)$monthday-$(date +%Y)"
snapshot="$snapday-snapshot.tar.bz2"
url=$site"/$snapshot"
}
## Extract snapshot into current location
extract_snapshot() {
echo -e "\nExtracting files..."
tar -xjvf $snapshot
}
## Download latest snapshot based on current date,
## and work backwards until we find the most current
## file. Check only within the last seven days. You
## can change the number of attempts, if you want to.
download_snapshot() {
attempts=6
success="no"
days=0
snapday=$(date +%m%d-%Y)
snapshot="$snapday-snapshot.tar.bz2"
url="$site/$snapshot"
cd $snaproot
while [ "$success" = "no" ] && [ $days -le $attempts ]
do
echo -e "\nAttempting to download $url"
if [ $debug -eq 0 ]; then
if [ ! -f $snapshot ]; then
wget $url
fi
else
echo -e "\nGrabbed $url"
fi
if [ -f $snapshot ]; then
echo -e "\nDownload successful."
success="yes"
else
echo -e "\nDownload failed."
back_one_day
fi
done
## Can't find a snapshot within the last 7 days
## so we need to specify it manually. There's no sanity
## checks here so be careful what you enter.
if [ $days -gt $attempts ] && [ "$success" = "no" ]; then
echo -e "\nPlease enter snapshot date (eg. 0420):"
read snapdate
if [ "$snapdate" = "" ]; then
echo -e "Nothing entered. Exiting."
exit
else
snapshot="$snapdate$(date +-%Y-)snapshot.tar.bz2"
url="$site/$snapshot"
echo -e "\nAttempting to download $url"
if [ $debug -eq 0 ]; then
wget $url
else
echo -e "\nGrabbed $url"
fi
if [ $debug -eq 0 ]; then
if [ -f $snapshot ]; then
echo -e "\nDownload successful."
success="yes"
else
echo -e "\nDownload failed. Exiting."
exit
fi
fi
fi
fi
}
## Download and extract toolchains
download_toolchain() {
if [ $debug -eq 0 ]; then
wget $toolchain_url
if [ -f $chainfile ]; then
tar -xjvf $chainfile
if [ -d $chainroot ]; then
mv "$chainroot/$tc3_full" "$chainroot/$tc3_short"
mv "$chainroot/$tc4_full" "$chainroot/$tc4_short"
else
echo -e "\nProblems creating $chainroot. Exiting."
exit
fi
fi
else
echo -e "\nDebug Output:"
echo -e "Grabbed \n$toolchain_url"
echo "tar -xjvf $chainfile"
echo "mv $chainroot/$tc3_full $chainroot/$tc3_short"
echo "mv $chainroot/$tc4_full $chainroot/$tc4_short"
fi
}
## Setup our new build environment
setup_build_env() {
if [ $debug -eq 1 ]; then
mkdir -p $snaproot-debug
snapdir=$snaproot-debug
else
mkdir -p $snaproot
snapdir=$snaproot
fi
if [ -d $snapdir ] && [ "$dl" = "yes" ]; then
download_snapshot
if [ "$success" = "yes" ]; then
if [ ! -d $buildroot ]; then
extract_snapshot
fi
if [ -d $buildroot ]; then
env="yes"
cd $buildroot/opt
rm libgcc_s.so
ln -sf libgcc/libgcc_s.so.1 libgcc_s.so
else
echo -e "\nProblems creating $buildroot. Exiting."
exit
fi
fi
fi
cd $ddroot
imageroot=$ddroot/image
if [ $debug -eq 0 ]; then
if [ ! -f $chainfile ]; then
download_toolchain
fi
if [ ! -d $imageroot ]; then
mkdir $imageroot
ln -sf $imageroot /GruppenLW
fi
else
echo -e "\nDebug Output:"
echo "cd $ddroot"
download_toolchain
echo "mkdir $imageroot"
echo "ln -sf $imageroot /GruppenLW"
fi
}
## Download source using subversion
## to be completed
download_svn() {
if [ `which svn` ]; then
echo "Found svn"
fi
}
## Execute options specified
process_options() {
if [ "$new" = "yes" ] && [ "$env" = "no" ]; then
setup_build_env
fi
}
## Compile the kernel using the 3.4.6 toolchain
## Default version is v23
ver=23
compile_kernel() {
export MYPATH=$PATH
export PATH=/home/dd-wrt/toolchains/3.4.6/bin:$MYPATH
echo "#define BUILD_DATE \"$(date +%D)\"" > build.h
export SRCBASE=$(cd "../src" && pwd -P)
echo $SRCBASE
cd ../src
cd linux/linux.v$ver
make oldconfig
make clean
make dep
make
make modules
}
## Switch to 4.1.0 toolchain for compiling userspace
prep_userspace() {
cd ../../
make clean
cd ../opt
export PATH=/home/dd-wrt/toolchains/4.1.0/bin:$MYPATH
}
## Perform clean-up before installing
prep_install() {
cd ../src/router
rm -dfr mipsel-uclibc/install
make httpd-clean
make rc-clean
make shared-clean
cd ../../opt
}
## Mark start of build, in seconds
mark_start() {
start=`date +%s`
}
## Mark end of build and compute total time taken
mark_stop() {
stop=`date +%s`
total=`expr $stop - $start`
## If ruby is installed then compute fancy total
## otherwise just echo total seconds
if [ `which ruby` ]; then
ruby <<CODE
total = ($total - 3*$delay)
puts "\n$build build completed in: #{(total/60).to_s.strip} minute(s), #{(total%60).to_s.strip} second(s)."
CODE
else
echo -e "\n$build build completed in: $total seconds."
fi
}
##########
## Main ##
##########
if [ "$opt" = "yes" ]; then
process_options
fi
check_env
if [ "$env" = "yes" ]; then
cd "$buildroot/opt"
else
cat <<NEW
Serious error:
$buildroot does not exist!
Please use -nd options to create the proper directories.
You must be root (or have root privileges) for this step.
Example: `basename $0` -ndp2 mini
This will create $buildroot, download and extract
the latest snapshot, add a 2 seconds pause to the output,
and compile the mini image files.
See help: `basename $0` -h
NEW
exit
fi
## Okay to proceed?
if [ "$proceed" = "no" ]; then
echo -e "\nNothing to compile. Exiting."
exit
fi
if [ "$params" = "all" ]; then
distributions=$build_all
else
distributions=$params
fi
echo -e "\nThe following distribution(s) will be compiled: $distributions\n"
echo "Started at $(date +%D' - '%T)"
for build in $dist; do
mark_start
echo -e "\nWorking on $build distribution..."
echo -e "\nStarting stage1 (compile kernel)..."
sleep $delay
if [ $debug -eq 0 ]; then
compile_kernel
fi
echo -e "\nStarting stage2 (prep userspace)..."
sleep $delay
if [ $debug -eq 0 ]; then
prep_userspace
fi
echo -e "\nFinal stage, creating $build image files..."
sleep $delay
if [ $debug -eq 0 ]; then
prep_install
./install_$build.sh
fi
mark_stop
sleep $delay
done
echo -e "\nCompleted at $(date +%D' - '%T)"
