## ############################################################################
## common targets:
## make apache2-fe (worker, mod_proxy, mod_rewrite)
## make apache2-be (prefork, mod_rpaf, php4)

DESTDIR=/opt/

## ############################################################################

WGET := /usr/bin/wget --passive-ftp -nd

_SRCBASE=$(shell /bin/pwd)
_DOWNLOADS=$(_SRCBASE)/download
_SOURCES=$(_SRCBASE)/source

## ############################################################################

PACKAGE_APACHE2=httpd-2.0.59.tar.bz2
DOWNLOAD_APACHE2=http://apache.speedbone.de/httpd/$(PACKAGE_APACHE2)
SOURCE_APACHE2=$(_SOURCES)/httpd-2.0.59

PACKAGE_RPAF=mod_rpaf-0.5.tar.gz
DOWNLOAD_RPAF=http://stderr.net/apache/rpaf/download/$(PACKAGE_RPAF)
SOURCE_RPAF=$(_SOURCES)/mod_rpaf-0.5

PACKAGE_PHP4=php-4.4.4.tar.bz2
DOWNLOAD_PHP4=http://de3.php.net/get/$(PACKAGE_PHP4)/from/this/mirror
SOURCE_PHP4=$(_SOURCES)/php-4.4.4

PACKAGE_EACCELERATOR=eaccelerator-0.9.5.tar.bz2
DOWNLOAD_EACCELERATOR=http://surfnet.dl.sourceforge.net/sourceforge/eaccelerator/$(PACKAGE_EACCELERATOR)
SOURCE_EACCELERATOR=$(_SOURCES)/eaccelerator-0.9.5

## ############################################################################

all: apache2-fe apache2-be

fetch: $(_DOWNLOADS)/$(PACKAGE_APACHE2) \
    $(_DOWNLOADS)/$(PACKAGE_RPAF) \
    $(_DOWNLOADS)/$(PACKAGE_PHP4) \
    $(_DOWNLOADS)/$(PACKAGE_EACCELERATOR)
    
$(_DOWNLOADS)/$(PACKAGE_APACHE2):
	$(WGET) -P $(_DOWNLOADS) $(DOWNLOAD_APACHE2)

$(SOURCE_APACHE2)/.unpacked: $(_DOWNLOADS)/$(PACKAGE_APACHE2)
	mkdir -p $(SOURCE_APACHE2)
	tar -C $(_SOURCES) -xjf $(_DOWNLOADS)/$(PACKAGE_APACHE2)
	touch $@

$(_DOWNLOADS)/$(PACKAGE_RPAF):
	$(WGET) -P $(_DOWNLOADS) $(DOWNLOAD_RPAF) 

$(SOURCE_RPAF)/.unpacked: $(_DOWNLOADS)/$(PACKAGE_RPAF)
	mkdir -p $(SOURCE_RPAF)
	tar -C $(_SOURCES) -xzf $(_DOWNLOADS)/$(PACKAGE_RPAF)
	touch $@

$(_DOWNLOADS)/$(PACKAGE_PHP4):
	$(WGET) -P $(_DOWNLOADS) $(DOWNLOAD_PHP4)

$(SOURCE_PHP4)/.unpacked: $(_DOWNLOADS)/$(PACKAGE_PHP4)
	mkdir -p $(SOURCE_PHP4)
	tar -C $(_SOURCES) -xjf $(_DOWNLOADS)/$(PACKAGE_PHP4)
	touch $@

$(_DOWNLOADS)/$(PACKAGE_EACCELERATOR):
	$(WGET) -P $(_DOWNLOADS) $(DOWNLOAD_EACCELERATOR)

$(SOURCE_EACCELERATOR)/.unpacked: $(_DOWNLOADS)/$(PACKAGE_EACCELERATOR)
	mkdir -p $(SOURCE_EACCELERATOR)
	tar -C $(_SOURCES) -xjf $(_DOWNLOADS)/$(PACKAGE_EACCELERATOR)
	touch $@

## ############################################################################

_BUILD_APACHE2_FRONTEND=$(_SOURCES)/apache2-frontend

apache2-fe: $(_BUILD_APACHE2_FRONTEND)/.installed

$(_BUILD_APACHE2_FRONTEND)/.configured: $(SOURCE_APACHE2)/.unpacked
	mkdir -p $(_BUILD_APACHE2_FRONTEND)
	( cd $(_BUILD_APACHE2_FRONTEND); \
	    $(SOURCE_APACHE2)/configure \
	    	--prefix=$(DESTDIR)/apache2-frontend/ \
		--with-mpm=worker \
		--enable-proxy \
		--enable-proxy-http \
		--enable-rewrite \
	);
	touch $@

$(_BUILD_APACHE2_FRONTEND)/.compiled: $(_BUILD_APACHE2_FRONTEND)/.configured
	make -j2 -C $(_BUILD_APACHE2_FRONTEND) all
	touch $@

$(_BUILD_APACHE2_FRONTEND)/.installed: $(_BUILD_APACHE2_FRONTEND)/.compiled
	make -C $(_BUILD_APACHE2_FRONTEND) install
	touch $@

apache2-fe-clean:
	rm -rf $(_BUILD_APACHE2_FRONTEND)

## ############################################################################

_BUILD_APACHE2_BACKEND=$(_SOURCES)/apache2-backend
_BUILD_APACHE2_BACKEND_PHP=$(_SOURCES)/apache2-backend-php

apache2-be: $(_BUILD_APACHE2_BACKEND)/.installed \
	    $(SOURCE_RPAF)/.installed \
	    $(_BUILD_APACHE2_BACKEND_PHP)/.installed \
	    $(SOURCE_EACCELERATOR)/.installed

$(_BUILD_APACHE2_BACKEND)/.configured: $(SOURCE_APACHE2)/.unpacked
	mkdir -p $(_BUILD_APACHE2_BACKEND)
	( cd $(_BUILD_APACHE2_BACKEND); \
	    $(SOURCE_APACHE2)/configure \
	    	--prefix=$(DESTDIR)/apache2-backend/ \
		--with-mpm=prefork \
		--enable-so \
	);
	touch $@

$(_BUILD_APACHE2_BACKEND)/.compiled: $(_BUILD_APACHE2_BACKEND)/.configured
	make -j2 -C $(_BUILD_APACHE2_BACKEND) all
	touch $@

$(_BUILD_APACHE2_BACKEND)/.installed: $(_BUILD_APACHE2_BACKEND)/.compiled
	make -C $(_BUILD_APACHE2_BACKEND) install
	touch $@


$(SOURCE_RPAF)/.compiled: $(SOURCE_RPAF)/.unpacked $(_BUILD_APACHE2_BACKEND)/.installed
	make -C $(SOURCE_RPAF) APXS=$(DESTDIR)/apache2-backend/bin/apxs rpaf-2.0
	touch $@

$(SOURCE_RPAF)/.installed: $(SOURCE_RPAF)/.compiled
	make -C $(SOURCE_RPAF) APXS=$(DESTDIR)/apache2-backend/bin/apxs install-2.0
	touch $@


$(_BUILD_APACHE2_BACKEND_PHP)/.configured: $(SOURCE_PHP4)/.unpacked $(_BUILD_APACHE2_BACKEND)/.installed
	mkdir -p $(_BUILD_APACHE2_BACKEND_PHP)
	( cd $(_BUILD_APACHE2_BACKEND_PHP); \
	    $(SOURCE_PHP4)/configure \
	    	--prefix=$(DESTDIR)/apache2-backend-php/ \
		--with-apxs2=$(DESTDIR)/apache2-backend/bin/apxs \
		--disable-cli \
		--disable-cgi \
		--with-layout=GNU \
		--disable-rpath \
		--disable-ipv6 \
		--disable-static \
		--enable-sockets \
		--enable-inline-optimization \
		--with-zlib \
		--with-regex=system \
		--with-gd \
		--with-mysql=/usr \
	);
	touch $@

$(_BUILD_APACHE2_BACKEND_PHP)/.compiled: $(_BUILD_APACHE2_BACKEND_PHP)/.configured
	make -j2 -C $(_BUILD_APACHE2_BACKEND_PHP) all
	touch $@

$(_BUILD_APACHE2_BACKEND_PHP)/.installed: $(_BUILD_APACHE2_BACKEND_PHP)/.compiled
	make -C $(_BUILD_APACHE2_BACKEND_PHP) install
	touch $@


$(SOURCE_EACCELERATOR)/.configured:  $(SOURCE_EACCELERATOR)/.unpacked $(_BUILD_APACHE2_BACKEND_PHP)/.installed
	( cd $(SOURCE_EACCELERATOR); \
	    $(DESTDIR)/apache2-backend-php/bin/phpize; \
	    ./configure \
	        --with-eaccelerator=shared \
	        --with-php-config=$(DESTDIR)/apache2-backend-php/bin/php-config \
	);
	touch $@

$(SOURCE_EACCELERATOR)/.compiled:  $(SOURCE_EACCELERATOR)/.configured
	make -j2 -C $(SOURCE_EACCELERATOR) all
	touch $@

$(SOURCE_EACCELERATOR)/.installed:  $(SOURCE_EACCELERATOR)/.compiled
	make -C $(SOURCE_EACCELERATOR) install
	touch $@

apache2-be-clean:
	rm -rf $(_BUILD_APACHE2_BACKEND)
	rm -rf $(SOURCE_RPAF)
	rm -rf $(_BUILD_APACHE2_BACKEND_PHP)
	rm -rf $(SOURCE_EACCELERATOR)

## ############################################################################