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Revision 1.1.1.1 Revision 1.44
1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2007 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/depend.apache.eclass,v 1.1.1.1 2005/11/30 09:59:27 chriswhite Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/depend.apache.eclass,v 1.44 2008/03/04 10:59:27 hollow Exp $
4
5# @ECLASS: depend.apache.eclass
6# @MAINTAINER:
7# apache-devs@gentoo.org
8# @BLURB: Functions to allow ebuilds to depend on apache
9# @DESCRIPTION:
10# This eclass handles depending on apache in a sane way and provides information
11# about where certain binaries and configuration files are located.
12#
13# To make use of this eclass simply call one of the need/want_apache functions
14# described below. Make sure you use the need/want_apache call after you have
15# defined DEPEND and RDEPEND. Also note that you can not rely on the automatic
16# RDEPEND=DEPEND that portage does if you use this eclass.
17#
18# See Bug 107127 for more information.
19#
20# @EXAMPLE:
21#
22# Here is an example of an ebuild depending on apache:
23#
24# @CODE
25# DEPEND="virtual/Perl-CGI"
26# RDEPEND="${DEPEND}"
27# need_apache2
28# @CODE
29#
30# Another example which demonstrates non-standard IUSE options for optional
31# apache support:
32#
33# @CODE
34# DEPEND="server? ( virtual/Perl-CGI )"
35# RDEPEND="${DEPEND}"
36# want_apache2 server
37# @CODE
4 38
5inherit multilib 39inherit multilib
6 40
7###### 41# ==============================================================================
8## Apache Common Variables 42# INTERNAL VARIABLES
9## 43# ==============================================================================
10## These are internal variables used by this, and other apache-related eclasses,
11## and thus should not need to be used by the ebuilds themselves (the ebuilds
12## should know what version of Apache they are building against).
13######
14 44
15#### 45# @ECLASS-VARIABLE: APACHE_VERSION
16## APACHE_VERSION 46# @DESCRIPTION:
17##
18## Stores the version of apache we are going to be ebuilding. This variable is 47# Stores the version of apache we are going to be ebuilding.
19## set by the need_apache{|1|2} functions. 48# This variable is set by the want/need_apache functions.
20##
21## This needs to stay as '1' until apache2 is on by default -- although it
22## doesn't matter much as it's set by the need_apache functions.
23####
24APACHE_VERSION='1'
25 49
26#### 50# @ECLASS-VARIABLE: APXS
27## APXS1, APXS2 51# @DESCRIPTION:
28##
29## Paths to the apxs tools 52# Path to the apxs tool.
30#### 53# This variable is set by the want/need_apache functions.
31APXS1="/usr/sbin/apxs" 54
55# @ECLASS-VARIABLE: APACHE_BIN
56# @DESCRIPTION:
57# Path to the apache binary.
58# This variable is set by the want/need_apache functions.
59
60# @ECLASS-VARIABLE: APACHE_CTL
61# @DESCRIPTION:
62# Path to the apachectl tool.
63# This variable is set by the want/need_apache functions.
64
65# @ECLASS-VARIABLE: APACHE_BASEDIR
66# @DESCRIPTION:
67# Path to the server root directory.
68# This variable is set by the want/need_apache functions.
69
70# @ECLASS-VARIABLE: APACHE_CONFDIR
71# @DESCRIPTION:
72# Path to the configuration file directory.
73# This variable is set by the want/need_apache functions.
74
75# @ECLASS-VARIABLE: APACHE_MODULES_CONFDIR
76# @DESCRIPTION:
77# Path where module configuration files are kept.
78# This variable is set by the want/need_apache functions.
79
80# @ECLASS-VARIABLE: APACHE_VHOSTS_CONFDIR
81# @DESCRIPTION:
82# Path where virtual host configuration files are kept.
83# This variable is set by the want/need_apache functions.
84
85# @ECLASS-VARIABLE: APACHE_MODULESDIR
86# @DESCRIPTION:
87# Path where we install modules.
88# This variable is set by the want/need_apache functions.
89
90# @ECLASS-VARIABLE: APACHE_DEPEND
91# @DESCRIPTION:
92# Dependencies for Apache
93APACHE_DEPEND="www-servers/apache"
94
95# @ECLASS-VARIABLE: APACHE2_DEPEND
96# @DESCRIPTION:
97# Dependencies for Apache 2.x
98APACHE2_DEPEND="=www-servers/apache-2*"
99
100# @ECLASS-VARIABLE: APACHE2_2_DEPEND
101# @DESCRIPTION:
102# Dependencies for Apache 2.2.x
103APACHE2_2_DEPEND="=www-servers/apache-2.2*"
104
105# ==============================================================================
106# INTERNAL FUNCTIONS
107# ==============================================================================
108
109_init_apache2() {
110 debug-print-function $FUNCNAME $*
111
112 # WARNING: Do not use these variables with anything that is put
113 # into the dependency cache (DEPEND/RDEPEND/etc)
114 APACHE_VERSION="2"
32APXS2="/usr/sbin/apxs2" 115 APXS="/usr/sbin/apxs2"
33
34####
35## APACHECTL1, APACHECTL2
36##
37## Paths to the apachectl tools
38####
39APACHECTL1="/usr/sbin/apachectl" 116 APACHE_BIN="/usr/sbin/apache2"
40APACHECTL2="/usr/sbin/apache2ctl" 117 APACHE_CTL="/usr/sbin/apache2ctl"
41 118 APACHE_INCLUDEDIR="/usr/include/apache2"
42####
43## APACHE1_BASEDIR, APACHE2_BASEDIR
44##
45## Paths to the server root directories
46####
47APACHE1_BASEDIR="/usr/$(get_libdir)/apache"
48APACHE2_BASEDIR="/usr/$(get_libdir)/apache2" 119 APACHE_BASEDIR="/usr/$(get_libdir)/apache2"
49
50####
51## APACHE1_CONFDIR, APACHE2_CONFDIR
52##
53## Paths to the configuration file directories (usually under
54## $APACHE?_BASEDIR/conf)
55####
56APACHE1_CONFDIR="/etc/apache"
57APACHE2_CONFDIR="/etc/apache2" 120 APACHE_CONFDIR="/etc/apache2"
58
59####
60## APACHE1_MODULES_CONFDIR, APACHE2_MODULES_CONFDIR
61##
62## Paths where module configuration files are kept
63####
64APACHE1_MODULES_CONFDIR="${APACHE1_CONFDIR}/modules.d" 121 APACHE_MODULES_CONFDIR="${APACHE_CONFDIR}/modules.d"
65APACHE2_MODULES_CONFDIR="${APACHE2_CONFDIR}/modules.d"
66
67####
68## APACHE1_VHOSTDIR, APACHE2_VHOSTDIR
69##
70## Paths where virtual host configuration files are kept
71####
72APACHE1_VHOSTDIR="${APACHE1_CONFDIR}/vhosts.d" 122 APACHE_VHOSTS_CONFDIR="${APACHE_CONFDIR}/vhosts.d"
73APACHE2_VHOSTDIR="${APACHE2_CONFDIR}/vhosts.d"
74
75####
76## APACHE1_MODULESDIR, APACHE2_MODULESDIR
77##
78## Paths where we install modules
79####
80APACHE1_MODULESDIR="${APACHE1_BASEDIR}/modules" 123 APACHE_MODULESDIR="${APACHE_BASEDIR}/modules"
81APACHE2_MODULESDIR="${APACHE2_BASEDIR}/modules"
82
83####
84## APACHE1_DEPEND, APACHE2_DEPEND
85##
86## Dependencies for apache 1.x and apache 2.x
87## - apache2 must be at least version 2.0.54-r30, this is lowest version
88## containing our new overall changes -- trapni (Jan 21 2005)
89## - apache1 must be at least version 1.3.33-r10, but how to
90## define the DEPEND here? (FIXME) -- trapni (Jan 21 2005)
91## - currently not possible - bug #4315 -- vericgar (Jan 21 2005)
92####
93APACHE1_DEPEND="=net-www/apache-1*"
94APACHE2_DEPEND=">=net-www/apache-2.0.54-r30"
95
96####
97## APACHE_DEPEND
98##
99## Dependency magic based on useflags to use the right DEPEND
100####
101
102NEED_APACHE_DEPEND="apache2? ( ${APACHE2_DEPEND} ) !apache2? ( ${APACHE1_DEPEND} )"
103WANT_APACHE_DEPEND="apache2? ( ${APACHE2_DEPEND} ) !apache2? ( apache? ( ${APACHE1_DEPEND} ) )"
104
105####
106# uses_apache1()
107#
108# sets up all of the environment variables required by an apache1 module
109####
110
111uses_apache1() {
112 APACHE_VERSION='1'
113 APXS="$APXS1"
114 USE_APACHE2=
115 APACHECTL="${APACHECTL1}"
116 APACHE_BASEDIR="${APACHE1_BASEDIR}"
117 APACHE_CONFDIR="${APACHE1_CONFDIR}"
118 APACHE_MODULES_CONFDIR="${APACHE1_MODULES_CONFDIR}"
119 APACHE_VHOSTSDIR="${APACHE1_VHOSTSDIR}"
120 APACHE_MODULESDIR="${APACHE1_MODULESDIR}"
121} 124}
122 125
123#### 126_init_no_apache() {
124# uses_apache2() 127 debug-print-function $FUNCNAME $*
125#
126# sets up all of the environment variables required by an apache2 module
127####
128
129uses_apache2() {
130 APACHE_VERSION='2'
131 USE_APACHE2=2
132 APXS="$APXS2"
133 APACHECTL="${APACHECTL2}"
134 APACHE_BASEDIR="${APACHE2_BASEDIR}"
135 APACHE_CONFDIR="${APACHE2_CONFDIR}"
136 APACHE_MODULES_CONFDIR="${APACHE2_MODULES_CONFDIR}"
137 APACHE_VHOSTSDIR="${APACHE2_VHOSTSDIR}"
138 APACHE_MODULESDIR="${APACHE2_MODULESDIR}"
139}
140
141doesnt_use_apache() {
142 APACHE_VERSION='0' 128 APACHE_VERSION="0"
143 USE_APACHE=
144} 129}
145 130
146#### 131# ==============================================================================
147## need_apache1 132# PUBLIC FUNCTIONS
148## 133# ==============================================================================
134
135# @FUNCTION: want_apache
136# @USAGE: [myiuse]
137# @DESCRIPTION:
138# An ebuild calls this to get the dependency information for optional apache
139# support. If the myiuse parameter is not given it defaults to apache2.
140want_apache() {
141 debug-print-function $FUNCNAME $*
142 want_apache2 "$@"
143}
144
145# @FUNCTION: want_apache2
146# @USAGE: [myiuse]
147# @DESCRIPTION:
148# An ebuild calls this to get the dependency information for optional apache-2.x
149# support. If the myiuse parameter is not given it defaults to apache2.
150want_apache2() {
151 debug-print-function $FUNCNAME $*
152
153 local myiuse=${1:-apache2}
154 IUSE="${IUSE} ${myiuse}"
155 DEPEND="${DEPEND} ${myiuse}? ( ${APACHE2_DEPEND} )"
156 RDEPEND="${RDEPEND} ${myiuse}? ( ${APACHE2_DEPEND} )"
157
158 if use ${myiuse}; then
159 _init_apache2
160 else
161 _init_no_apache
162 fi
163}
164
165# @FUNCTION: want_apache2_2
166# @USAGE: [myiuse]
167# @DESCRIPTION:
168# An ebuild calls this to get the dependency information for optional
169# apache-2.2.x support. If the myiuse parameter is not given it defaults to
170# apache2.
171want_apache2_2() {
172 debug-print-function $FUNCNAME $*
173
174 local myiuse=${1:-apache2}
175 IUSE="${IUSE} ${myiuse}"
176 DEPEND="${DEPEND} ${myiuse}? ( ${APACHE2_2_DEPEND} )"
177 RDEPEND="${RDEPEND} ${myiuse}? ( ${APACHE2_2_DEPEND} )"
178
179 if use ${myiuse}; then
180 _init_apache2
181 else
182 _init_no_apache
183 fi
184}
185
186# @FUNCTION: need_apache
187# @DESCRIPTION:
149## An ebuild calls this to get the dependency information 188# An ebuild calls this to get the dependency information for apache.
150## for apache-1.x. An ebuild should use this in order for
151## future changes to the build infrastructure to happen
152## seamlessly. All an ebuild needs to do is include the
153## line need_apache1 somewhere.
154####
155need_apache1() { 189need_apache() {
156 debug-print-function need_apache1 190 debug-print-function $FUNCNAME $*
157
158 DEPEND="${DEPEND} ${APACHE1_DEPEND}"
159 RDEPEND="${RDEPEND} ${APACHE1_DEPEND}"
160 APACHE_VERSION='1'
161}
162
163####
164## need_apache2 191 need_apache2
165## 192}
193
194# @FUNCTION: need_apache2
195# @DESCRIPTION:
166## An ebuild calls this to get the dependency information 196# An ebuild calls this to get the dependency information for apache-2.x.
167## for apache-2.x. An ebuild should use this in order for
168## future changes to the build infrastructure to happen
169## seamlessly. All an ebuild needs to do is include the
170## line need_apache1 somewhere.
171####
172need_apache2() { 197need_apache2() {
173 debug-print-function need_apache2 198 debug-print-function $FUNCNAME $*
174 199
175 DEPEND="${DEPEND} ${APACHE2_DEPEND}" 200 DEPEND="${DEPEND} ${APACHE2_DEPEND}"
176 RDEPEND="${RDEPEND} ${APACHE2_DEPEND}" 201 RDEPEND="${RDEPEND} ${APACHE2_DEPEND}"
177 APACHE_VERSION='2' 202 _init_apache2
178} 203}
179 204
180#### 205# @FUNCTION: need_apache2_2
181## DO NOT CHANGE THIS FUNCTION UNLESS YOU UNDERSTAND THE CONSEQUENCES IT 206# @DESCRIPTION:
182## WILL HAVE ON THE CACHE! There MUST be a apache2? () block in DEPEND for 207# An ebuild calls this to get the dependency information for apache-2.2.x.
183## things to work correct in the dependency calculation stage.
184####
185need_apache() { 208need_apache2_2() {
186 debug-print-function need_apache 209 debug-print-function $FUNCNAME $*
187 210
188 IUSE="${IUSE} apache2"
189 DEPEND="${DEPEND} ${NEED_APACHE_DEPEND}" 211 DEPEND="${DEPEND} ${APACHE2_2_DEPEND}"
190 RDEPEND="${RDEPEND} ${NEED_APACHE_DEPEND}" 212 RDEPEND="${RDEPEND} ${APACHE2_2_DEPEND}"
191 if useq apache2; then 213 _init_apache2
192 uses_apache2 214}
215
216# @FUNCTION: has_apache
217# @DESCRIPTION:
218# An ebuild calls this to get runtime variables for an indirect apache
219# dependency without USE-flag, in which case want_apache does not work.
220# DO NOT call this function in global scope.
221has_apache() {
222 debug-print-function $FUNCNAME $*
223
224 if has_version '>=www-servers/apache-2'; then
225 _init_apache2
193 else 226 else
194 uses_apache1 227 _init_no_apache
195 fi 228 fi
196} 229}
197 230
198want_apache() { 231# @FUNCTION: has_apache_threads
199 debug-print-function want_apache 232# @USAGE: [myflag]
233# @DESCRIPTION:
234# An ebuild calls this to make sure thread-safety is enabled if apache has been
235# built with a threaded MPM. If the myflag parameter is not given it defaults to
236# threads.
237has_apache_threads() {
238 debug-print-function $FUNCNAME $*
200 239
201 IUSE="${IUSE} apache apache2" 240 if ! built_with_use www-servers/apache threads; then
202 DEPEND="${DEPEND} ${WANT_APACHE_DEPEND}" 241 return
203 RDEPEND="${DEPEND} ${WANT_APACHE_DEPEND}"
204 if useq apache2 ; then
205 uses_apache2
206 elif useq apache ; then
207 uses_apache1
208 else
209 doesnt_use_apache
210 fi 242 fi
243
244 local myflag="${1:-threads}"
245
246 if ! use ${myflag}; then
247 echo
248 eerror "You need to enable USE flag '${myflag}' to build a thread-safe version"
249 eerror "of ${CATEGORY}/${PN} for use with www-servers/apache"
250 die "Need missing USE flag '${myflag}'"
251 fi
211} 252}
253
254# @FUNCTION: has_apache_threads_in
255# @USAGE: <myforeign> [myflag]
256# @DESCRIPTION:
257# An ebuild calls this to make sure thread-safety is enabled in a foreign
258# package if apache has been built with a threaded MPM. If the myflag parameter
259# is not given it defaults to threads.
260has_apache_threads_in() {
261 debug-print-function $FUNCNAME $*
262
263 if ! built_with_use www-servers/apache threads; then
264 return
265 fi
266
267 local myforeign="$1"
268 local myflag="${2:-threads}"
269
270 if ! built_with_use ${myforeign} ${myflag}; then
271 echo
272 eerror "You need to enable USE flag '${myflag}' in ${myforeign} to"
273 eerror "build a thread-safe version of ${CATEGORY}/${PN} for use"
274 eerror "with www-servers/apache"
275 die "Need missing USE flag '${myflag}' in ${myforeign}"
276 fi
277}

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