#!/bin/bash

##
## change these variables to the appropriate location/version etc
##
BASE=${HOME}/build/apache/src
APACHE_VERSION=1.3.29
MOD_SSL_VERSION=2.8.16-1.3.29
MOD_PERL_VERSION=1.29
SSL_BASE=/usr/local
APACHE_PREFIX=/usr/local/apache
## leave the install dir commented or empty for the standard /usr/local...
#APACHE_INSTALL_DIR=${HOME}/build/apache/pkg
#PERL_INSTALL_DIR=${HOME}/build/apache/pkg/perl
CERT_FILE=${HOME}/build/apache/tusk.cert
LDFLAGS=-R/usr/local/lib

##
## a help section so next time I can remember how to use this script
##
if [ $1 == "--help" ]
then
    echo "build_apache [--help] [--install]"
    echo "Before using this script you need to download Apache (1.3.x)"
    echo "with corresponding mod_perl and mod_ssl and stick all three tar"
    echo "files into a directory. You also need an existing ssl certificate"
    echo "in an available directory. Perl, tar, gcc, sudo, Openssl and Perl"
    echo "packages URI and libwww-perl should already be installed for best"
    echo "results."
    echo ""
    echo "Once that's complete, edit build_apache and change the variables"
    echo "to the appropriate locations/versions."
    echo ""
    echo "This script last worked with gcc 3.3.2 using gnu make. If the"
    echo "script doesn't work for you . . . fix it."
    echo ""
    echo "Mike Kruckenberg <michael<at>kruckenberg.com>"
    exit
fi

##
## first we do some checking to determine if everything is available
##
echo "first a few checks to make sure we've got everything"
if test ! -d $BASE
then
    echo "can't find base dir: $BASE"
    exit
fi

for tarfile in apache_$APACHE_VERSION mod_ssl-$MOD_SSL_VERSION mod_perl-$MOD_PERL_VERSION; 
do
if test ! -f $BASE/$tarfile.tar.gz
then
    echo "can't find $BASE/$tarfile.tar.gz"
    exit
fi
done

if test ! -f $CERT_FILE
then
    echo "can't find SSL certificate: $CERT_FILE"
    exit
fi

if [ $1 = "--install" ]
then
   INSTALL=yes
   echo "we are installing once compiling and testing is complete"
else 
   INSTALL=no
   echo "we are *NOT* installing, just compiling at testing"
fi

cd $BASE
echo "entering "`pwd`

##
## remove existing directories and untar packages
##
for package in apache_$APACHE_VERSION mod_ssl-$MOD_SSL_VERSION mod_perl-$MOD_PERL_VERSION;
do
if test -d $BASE/$tarfile
then
    echo "removing existing $package dir"
    rm -fR $package
fi
echo "untarring $package.tar.gz"
tar -xzf $package.tar.gz
done

##
## configure mod_ssl
##
cd mod_ssl-$MOD_SSL_VERSION
echo "entering "`pwd`
./configure \
--with-apache=../apache_$APACHE_VERSION \
--with-ssl=$SSL_BASE

##
## configure mod_perl, have it do the make for apache and mod_perl
##
cd ../mod_perl-$MOD_PERL_VERSION
echo "entering "`pwd`
/usr/bin/perl Makefile.PL \
DO_HTTPD=1 \
EVERYTHING=1 \
APACHE_SRC=../apache_$APACHE_VERSION/src \
USE_APACI=1 \
SSL_BASE=$SSL_BASE \
APACHE_PREFIX=$APACHE_PREFIX \
APACI_ARGS='--enable-module=ssl,--enable-module=rewrite' \
LIB=$PERL_INSTALL_DIR \
INSTALLBIN=$PERL_INSTALL_DIR \
INSTALLSCRIPT=$PERL_INSTALL_DIR \
installman1dir=$PERL_INSTALL_DIR \
INSTALLMAN3DIR=$PERL_INSTALL_DIR
make

##
## install the certificate
##
cd ../apache_$APACHE_VERSION
echo "entering "`pwd`
make certificate TYPE=existing CRT=$CRT_FILE

##
## install apache (mod_ssl and mod_perl enabled) and mod_perl Perl modules
##
cd ../mod_perl-$MOD_PERL_VERSION
echo "entering "`pwd`
make test

if [ $INSTALL = "yes" ]
then
  echo "here we go (installing) . . . "
  make install root=$APACHE_INSTALL_DIR
fi
exit