#!/bin/bash
#
# ELS script to build php-5.3.3. 
#
# PHP is a popular server-side scripting language.
#
# Note: You must install Apache httpd first for PHP to build.
#
# Source is available from http://www.php.net/download
#
#
# This script is public domain software and may be freely copied.
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
#
# Define the package name, source directory, build directory and
# staging directory paths.  Prefixes to directories may be overridden
# by setting shell variables SRC, BUILD and STAGING.  For example,
# doing "export SRC=/root/foo" before calling this script will override
# the default /usr/src and set SRC_DIR to /root/foo/$PKG_NAME instead.
#
PKG_NAME=$(basename $0)
SRC_DIR=${SRC:-/usr/src}/$PKG_NAME
BUILD_DIR=${BUILD:-/var/tmp/build}/$PKG_NAME
STAGING_DIR=${STAGING:-/var/tmp/staging}/$PKG_NAME

# Check that the source directory really exits and bail out if not.
if ! [ -d $SRC_DIR ]; then
  echo "$PKG_NAME: Cannot find source code directory $SRC_DIR."
  exit 1
fi

# Do not overwrite existing build directory.
if [ -d $BUILD_DIR ]; then
  echo "$PKG_NAME: Build directory $BUILD_DIR already exists."
  exit 2
else
  mkdir -p $BUILD_DIR
fi

# Do not overwrite existing staging directory.
if [ -d $STAGING_DIR ]; then
  echo "$PKG_NAME: Staging directory $STAGING_DIR already exists."
  exit 4
else
  mkdir -p $STAGING_DIR
fi

# Copy the Apache config file to the staging directory since PHP
# will try to modify it and installation will fail if httpd.conf is
# not there.
APACHE_DIR=/opt/httpd-2.2.*
if ! [ -d $APACHE_DIR ]; then
  echo "$PKG_NAME: Can't find Apache directory."
  exit 8
else
  cp --parents $APACHE_DIR/conf/httpd.conf $STAGING_DIR
fi

# Configure the package for FHS compliance and i586 processor.  The
# configuration relies on the included SQLite database rather than
# requiring an external database like MySQL or PostgreSQL.
export CC="gcc -march=i586"
cd $BUILD_DIR
$SRC_DIR/configure \
  --build=i586-pc-linux-gnu \
  --prefix=/opt/$PKG_NAME \
  --with-apxs2=/opt/bin/apxs \
  --with-config-file-path=/etc/opt/php \
  --with-zlib

# Check return status and bail out if it's non-zero.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Configuration failed!"
  exit 8
fi

# Build the package.
make

# Check return code and bail if it looks bad.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Build failed!"
  exit 16
fi

# Install.
make INSTALL_ROOT=$STAGING_DIR install

# Check return code and bail if it looks bad.
if [ $? -gt 0 ]; then
  echo "$PKG_NAME: Installation failed!"
  exit 32
fi

# Move the php module from the Apache directory to the PHP directory
# and then remove the Apache stuff from the staging directory.
mv $STAGING_DIR/$APACHE_DIR/modules $STAGING_DIR/opt/$PKG_NAME
rm -R $STAGING_DIR/$APACHE_DIR

# Keep a copy of the license document.
install -D -o root -g root -m 644 $SRC_DIR/LICENSE \
  $STAGING_DIR/opt/$PKG_NAME/doc/LICENSE

# Strip binaries and compress documentation to save space.
strip $STAGING_DIR/opt/$PKG_NAME/bin/*
gzip -r $STAGING_DIR/opt/$PKG_NAME/man
gzip -r $STAGING_DIR/opt/$PKG_NAME/doc

# Create the package
cd $STAGING_DIR
tar -zcf ../$PKG_NAME.i586.tar.gz *

# end of blueprint