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382 lines
10 KiB
382 lines
10 KiB
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: depend.apache.eclass
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# @MAINTAINER:
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# apache-devs@gentoo.org
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# @SUPPORTED_EAPIS: 0 2 3 4 5 6
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# @BLURB: Functions to allow ebuilds to depend on apache
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# @DESCRIPTION:
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# This eclass handles depending on apache in a sane way and provides information
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# about where certain binaries and configuration files are located.
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#
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# To make use of this eclass simply call one of the need/want_apache functions
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# described below. Make sure you use the need/want_apache call after you have
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# defined DEPEND and RDEPEND. Also note that you can not rely on the automatic
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# RDEPEND=DEPEND that portage does if you use this eclass.
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#
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# See Bug 107127 for more information.
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#
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# @EXAMPLE:
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#
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# Here is an example of an ebuild depending on apache:
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#
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# @CODE
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# DEPEND="virtual/Perl-CGI"
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# RDEPEND="${DEPEND}"
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# need_apache2
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# @CODE
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#
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# Another example which demonstrates non-standard IUSE options for optional
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# apache support:
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#
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# @CODE
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# DEPEND="server? ( virtual/Perl-CGI )"
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# RDEPEND="${DEPEND}"
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# want_apache2 server
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#
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# pkg_setup() {
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# depend.apache_pkg_setup server
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# }
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# @CODE
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case ${EAPI:-0} in
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0|2|3|4|5)
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inherit multilib
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;;
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6)
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;;
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*)
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die "EAPI=${EAPI} is not supported by depend.apache.eclass"
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;;
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esac
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# ==============================================================================
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# INTERNAL VARIABLES
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# ==============================================================================
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# @ECLASS-VARIABLE: APACHE_VERSION
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# @DESCRIPTION:
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# Stores the version of apache we are going to be ebuilding.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APXS
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# @DESCRIPTION:
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# Path to the apxs tool.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_BIN
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# @DESCRIPTION:
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# Path to the apache binary.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_CTL
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# @DESCRIPTION:
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# Path to the apachectl tool.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_BASEDIR
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# @DESCRIPTION:
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# Path to the server root directory.
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# This variable is set by the want/need_apache functions (EAPI=0 through 5)
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# or depend.apache_pkg_setup (EAPI=6 and later).
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# @ECLASS-VARIABLE: APACHE_CONFDIR
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# @DESCRIPTION:
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# Path to the configuration file directory.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_MODULES_CONFDIR
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# @DESCRIPTION:
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# Path where module configuration files are kept.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_VHOSTS_CONFDIR
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# @DESCRIPTION:
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# Path where virtual host configuration files are kept.
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# This variable is set by the want/need_apache functions.
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# @ECLASS-VARIABLE: APACHE_MODULESDIR
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# @DESCRIPTION:
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# Path where we install modules.
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# This variable is set by the want/need_apache functions (EAPI=0 through 5)
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# or depend.apache_pkg_setup (EAPI=6 and later).
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# @ECLASS-VARIABLE: APACHE_DEPEND
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# @DESCRIPTION:
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# Dependencies for Apache
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APACHE_DEPEND="www-servers/apache"
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# @ECLASS-VARIABLE: APACHE2_DEPEND
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# @DESCRIPTION:
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# Dependencies for Apache 2.x
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APACHE2_DEPEND="=www-servers/apache-2*"
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# @ECLASS-VARIABLE: APACHE2_2_DEPEND
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# @DESCRIPTION:
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# Dependencies for Apache 2.2.x
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APACHE2_2_DEPEND="=www-servers/apache-2.2*"
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# @ECLASS-VARIABLE: APACHE2_4_DEPEND
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# @DESCRIPTION:
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# Dependencies for Apache 2.4.x
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APACHE2_4_DEPEND="=www-servers/apache-2.4*"
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# ==============================================================================
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# INTERNAL FUNCTIONS
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# ==============================================================================
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_init_apache2() {
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debug-print-function $FUNCNAME $*
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# WARNING: Do not use these variables with anything that is put
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# into the dependency cache (DEPEND/RDEPEND/etc)
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APACHE_VERSION="2"
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APXS="/usr/bin/apxs"
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APACHE_BIN="/usr/sbin/apache2"
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APACHE_CTL="/usr/sbin/apache2ctl"
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APACHE_INCLUDEDIR="/usr/include/apache2"
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APACHE_CONFDIR="/etc/apache2"
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APACHE_MODULES_CONFDIR="${APACHE_CONFDIR}/modules.d"
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APACHE_VHOSTS_CONFDIR="${APACHE_CONFDIR}/vhosts.d"
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case ${EAPI:-0} in
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0|2|3|4|5)
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_init_apache2_late
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;;
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esac
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}
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_init_apache2_late() {
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APACHE_BASEDIR="/usr/$(get_libdir)/apache2"
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APACHE_MODULESDIR="${APACHE_BASEDIR}/modules"
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}
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_init_no_apache() {
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debug-print-function $FUNCNAME $*
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APACHE_VERSION="0"
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}
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# ==============================================================================
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# PUBLIC FUNCTIONS
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# ==============================================================================
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# @FUNCTION: depend.apache_pkg_setup
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# @USAGE: [myiuse]
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# @DESCRIPTION:
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# An ebuild calls this in pkg_setup() to initialize variables for optional
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# apache-2.x support. If the myiuse parameter is not given it defaults to
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# apache2.
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depend.apache_pkg_setup() {
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debug-print-function $FUNCNAME $*
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if [[ "${EBUILD_PHASE}" != "setup" ]]; then
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die "$FUNCNAME() should be called in pkg_setup()"
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fi
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local myiuse=${1:-apache2}
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case ${EAPI:-0} in
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0|2|3|4|5)
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if has ${myiuse} ${IUSE}; then
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if use ${myiuse}; then
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_init_apache2
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else
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_init_no_apache
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fi
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fi
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;;
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*)
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if in_iuse ${myiuse}; then
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if use ${myiuse}; then
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_init_apache2
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_init_apache2_late
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else
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_init_no_apache
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fi
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fi
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;;
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esac
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}
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# @FUNCTION: want_apache
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# @USAGE: [myiuse]
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for optional apache
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# support. If the myiuse parameter is not given it defaults to apache2.
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# An ebuild should additionally call depend.apache_pkg_setup() in pkg_setup()
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# with the same myiuse parameter.
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want_apache() {
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debug-print-function $FUNCNAME $*
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want_apache2 "$@"
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}
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# @FUNCTION: want_apache2
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# @USAGE: [myiuse]
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for optional apache-2.x
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# support. If the myiuse parameter is not given it defaults to apache2.
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# An ebuild should additionally call depend.apache_pkg_setup() in pkg_setup()
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# with the same myiuse parameter.
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want_apache2() {
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debug-print-function $FUNCNAME $*
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local myiuse=${1:-apache2}
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IUSE="${IUSE} ${myiuse}"
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DEPEND="${DEPEND} ${myiuse}? ( ${APACHE2_DEPEND} )"
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RDEPEND="${RDEPEND} ${myiuse}? ( ${APACHE2_DEPEND} )"
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}
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# @FUNCTION: want_apache2_2
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# @USAGE: [myiuse]
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for optional
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# apache-2.2.x support. If the myiuse parameter is not given it defaults to
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# apache2.
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# An ebuild should additionally call depend.apache_pkg_setup() in pkg_setup()
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# with the same myiuse parameter.
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want_apache2_2() {
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debug-print-function $FUNCNAME $*
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local myiuse=${1:-apache2}
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IUSE="${IUSE} ${myiuse}"
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DEPEND="${DEPEND} ${myiuse}? ( ${APACHE2_2_DEPEND} )"
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RDEPEND="${RDEPEND} ${myiuse}? ( ${APACHE2_2_DEPEND} )"
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}
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# @FUNCTION: want_apache2_4
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# @USAGE: [myiuse]
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for optional
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# apache-2.4.x support. If the myiuse parameter is not given it defaults to
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# apache2.
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# An ebuild should additionally call depend.apache_pkg_setup() in pkg_setup()
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# with the same myiuse parameter.
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want_apache2_4() {
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debug-print-function $FUNCNAME $*
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local myiuse=${1:-apache2}
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IUSE="${IUSE} ${myiuse}"
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DEPEND="${DEPEND} ${myiuse}? ( ${APACHE2_4_DEPEND} )"
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RDEPEND="${RDEPEND} ${myiuse}? ( ${APACHE2_4_DEPEND} )"
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}
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# @FUNCTION: need_apache
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for apache.
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need_apache() {
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debug-print-function $FUNCNAME $*
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need_apache2
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}
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# @FUNCTION: need_apache2
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for apache-2.x.
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need_apache2() {
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debug-print-function $FUNCNAME $*
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DEPEND="${DEPEND} ${APACHE2_DEPEND}"
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RDEPEND="${RDEPEND} ${APACHE2_DEPEND}"
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_init_apache2
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}
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# @FUNCTION: need_apache2_2
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for apache-2.2.x.
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need_apache2_2() {
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debug-print-function $FUNCNAME $*
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DEPEND="${DEPEND} ${APACHE2_2_DEPEND}"
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RDEPEND="${RDEPEND} ${APACHE2_2_DEPEND}"
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_init_apache2
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}
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# @FUNCTION: need_apache2_4
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# @DESCRIPTION:
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# An ebuild calls this to get the dependency information for apache-2.4.x.
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need_apache2_4() {
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debug-print-function $FUNCNAME $*
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DEPEND="${DEPEND} ${APACHE2_4_DEPEND}"
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RDEPEND="${RDEPEND} ${APACHE2_4_DEPEND}"
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_init_apache2
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}
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# @FUNCTION: has_apache
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# @DESCRIPTION:
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# An ebuild calls this to get runtime variables for an indirect apache
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# dependency without USE-flag, in which case want_apache does not work.
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# DO NOT call this function in global scope.
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has_apache() {
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debug-print-function $FUNCNAME $*
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if has_version '>=www-servers/apache-2'; then
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_init_apache2
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else
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_init_no_apache
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fi
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}
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# @FUNCTION: has_apache_threads
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# @USAGE: [myflag]
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# @DESCRIPTION:
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# An ebuild calls this to make sure thread-safety is enabled if apache has been
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# built with a threaded MPM. If the myflag parameter is not given it defaults to
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# threads.
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has_apache_threads() {
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debug-print-function $FUNCNAME $*
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case ${EAPI:-0} in
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0|1)
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die "depend.apache.eclass: has_apache_threads is not supported for EAPI=${EAPI:-0}"
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;;
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esac
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if ! has_version 'www-servers/apache[threads]'; then
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return
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fi
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local myflag="${1:-threads}"
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if ! use ${myflag}; then
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echo
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eerror "You need to enable USE flag '${myflag}' to build a thread-safe version"
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eerror "of ${CATEGORY}/${PN} for use with www-servers/apache"
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die "Need missing USE flag '${myflag}'"
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fi
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}
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# @FUNCTION: has_apache_threads_in
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# @USAGE: <myforeign> [myflag]
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# @DESCRIPTION:
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# An ebuild calls this to make sure thread-safety is enabled in a foreign
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# package if apache has been built with a threaded MPM. If the myflag parameter
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# is not given it defaults to threads.
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has_apache_threads_in() {
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debug-print-function $FUNCNAME $*
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case ${EAPI:-0} in
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0|1)
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die "depend.apache.eclass: has_apache_threads_in is not supported for EAPI=${EAPI:-0}"
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;;
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esac
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if ! has_version 'www-servers/apache[threads]'; then
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return
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fi
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local myforeign="$1"
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local myflag="${2:-threads}"
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if ! has_version "${myforeign}[${myflag}]"; then
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echo
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eerror "You need to enable USE flag '${myflag}' in ${myforeign} to"
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eerror "build a thread-safe version of ${CATEGORY}/${PN} for use"
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eerror "with www-servers/apache"
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die "Need missing USE flag '${myflag}' in ${myforeign}"
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fi
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}
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EXPORT_FUNCTIONS pkg_setup
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