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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 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/multilib.eclass,v 1.1 2005/01/12 00:21:53 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/multilib.eclass,v 1.5 2005/01/12 22:39:44 eradicator Exp $
4# 4#
5# Author: Jeremy Huddleston <eradicator@gentoo.org> 5# Author: Jeremy Huddleston <eradicator@gentoo.org>
6# 6#
7# This eclass is for all functions pertaining to handling multilib. 7# This eclass is for all functions pertaining to handling multilib.
8# configurations. 8# configurations.
9 9
10ECLASS=multilib 10ECLASS=multilib
11INHERITED="$INHERITED $ECLASS" 11INHERITED="$INHERITED $ECLASS"
12 12
13DESCRIPTION="Based on the ${ECLASS} eclass" 13DESCRIPTION="Based on the ${ECLASS} eclass"
14
15DEPEND="!build? ( sys-apps/sed sys-apps/findutils sys-apps/coreutils )"
14 16
15# This function simply returns the desired lib directory. With portage 17# This function simply returns the desired lib directory. With portage
16# 2.0.51, we now have support for installing libraries to lib32/lib64 18# 2.0.51, we now have support for installing libraries to lib32/lib64
17# to accomidate the needs of multilib systems. It's no longer a good idea 19# to accomidate the needs of multilib systems. It's no longer a good idea
18# to assume all libraries will end up in lib. Replace any (sane) instances 20# to assume all libraries will end up in lib. Replace any (sane) instances
28get_libdir() { 30get_libdir() {
29 LIBDIR_TEST=$(type econf) 31 LIBDIR_TEST=$(type econf)
30 if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then 32 if [ ! -z "${CONF_LIBDIR_OVERRIDE}" ] ; then
31 # if there is an override, we want to use that... always. 33 # if there is an override, we want to use that... always.
32 CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}" 34 CONF_LIBDIR="${CONF_LIBDIR_OVERRIDE}"
33 # We don't need to know the verison of portage. We only need to know 35 elif [ -n "$(get_abi_LIBDIR)" ]; then
34 # if there is support for CONF_LIBDIR in econf and co.
35 # Danny van Dyk <kugelfang@gentoo.org> 2004/17/09
36 #elif portageq has_version / '<sys-apps/portage-2.0.51_pre20' ; then
37 # # and if there isnt an override, and we're using a version of
38 # # portage without CONF_LIBDIR support, force the use of lib. dolib
39 # # and friends from portage 2.0.50 wont be too happy otherwise.
40 # CONF_LIBDIR="lib"
41 #fi
42 elif [ -n "$(get_abi_LIBDIR)" ]; then # Using eradicator's LIBDIR_<abi> approach...
43 CONF_LIBDIR="$(get_abi_LIBDIR)" 36 CONF_LIBDIR="$(get_abi_LIBDIR)"
44 elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support 37 elif [ "${LIBDIR_TEST/CONF_LIBDIR}" == "${LIBDIR_TEST}" ]; then # we don't have CONF_LIBDIR support
45 # will be <portage-2.0.51_pre20 38 # will be <portage-2.0.51_pre20
46 CONF_LIBDIR="lib" 39 CONF_LIBDIR="lib"
47 fi 40 fi
108 local var="${flag}_${abi}" 101 local var="${flag}_${abi}"
109 echo ${!var} 102 echo ${!var}
110} 103}
111 104
112get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; } 105get_abi_CFLAGS() { get_abi_var CFLAGS ${@}; }
113get_abi_CXXFLAGS() { get_abi_var CXXFLAGS ${@}; } 106get_abi_CDEFINE() { get_abi_var CDEFINE ${@}; }
114get_abi_ASFLAGS() { get_abi_var ASFLAGS ${@}; }
115get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; } 107get_abi_LIBDIR() { get_abi_var LIBDIR ${@}; }
116 108
109# Return a list of the ABIs we want to install for with
110# the last one in the list being the default.
111get_abi_order() {
112 local order=""
113
114 if [ -z "${MULTILIB_ABIS}" ]; then
115 echo "NOMULTILIB"
116 return 1
117 fi
118
119 if hasq multilib-pkg-force ${RESTRICT} ||
120 { hasq multilib-pkg ${FEATURES} && hasq multilib-pkg ${RESTRICT}; }; then
121 for x in ${MULTILIB_ABIS}; do
122 if [ "${x}" != "${DEFAULT_ABI}" ]; then
123 hasq ${x} ${ABI_DENY} || ordera="${ordera} ${x}"
124 fi
125 done
126 hasq ${DEFAULT_ABI} ${ABI_DENY} || order="${ordera} ${DEFAULT_ABI}"
127
128 if [ -n "${ABI_ALLOW}" ]; then
129 local ordera=""
130 for x in ${order}; do
131 if hasq ${x} ${ABI_ALLOW}; then
132 ordera="${ordera} ${x}"
133 fi
134 done
135 order="${ordera}"
136 fi
137 else
138 order="${DEFAULT_ABI}"
139 fi
140
141 if [ -z "${order}" ]; then
142 die "The ABI list is empty. Are you using a proper multilib profile? Perhaps your USE flags or MULTILIB_ABIS are too restrictive for this package."
143 fi
144
145 echo ${order}
146 return 0
147}
148
117# get_all_libdir() 149# get_all_libdir()
118# Returns a list of all the libdirs used by this profile 150# Returns a list of all the libdirs used by this profile. This includes
151# those that might not be touched by the current ebuild.
119get_all_libdirs() { 152get_all_libdirs() {
153 local libdirs="lib"
154 local abi
120 local libdirs 155 local dir
156
121 if [ -n "${MULTILIB_ABIS}" ]; then 157 if [ -n "${MULTILIB_ABIS}" ]; then
122 for abi in ${MULTILIB_ABIS}; do 158 for abi in ${MULTILIB_ABIS}; do
123 libdirs="${libdirs} $(get_abi_LIBDIR ${abi})" 159 [ "$(get_abi_LIBDIR ${abi})" != "lib" ] && libdirs="${libdirs} $(get_abi_LIBDIR ${abi})"
124 done 160 done
125 libdirs="${libdirs:1}"
126 elif [ -n "${CONF_LIBDIR}" ]; then 161 elif [ -n "${CONF_LIBDIR}" ]; then
127 libdirs="${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}" 162 for dir in ${CONF_LIBDIR} ${CONF_MULTILIBDIR:=lib32}; do
163 [ "${dir}" != "lib" ] && libdirs="${libdirs} ${dir}"
164 done
165 fi
166
167 echo "${libdirs}"
168}
169
170# Return true if ${ABI} is the last ABI on our list (or if we're not
171# using the new multilib configuration. This can be used to determine
172# if we're in the last (or only) run through src_{unpack,compile,install}
173is_final_abi() {
174 [ -z "${ABI}" ] && return 0
175 local ALL_ABIS=$(get_abi_order)
176 local LAST_ABI=${ALL_ABIS/* /}
177 [ "${LAST_ABI}" = "${ABI}" ]
178}
179
180# echo the number of ABIs we will be installing for
181number_abis() {
182 get_abi_order | wc -w
183}
184
185# prep_ml_includes:
186#
187# Some includes (include/asm, glibc, etc) are ABI dependent. In this case,
188# We can install them in different locations for each ABI and create a common
189# header which includes the right one based on CDEFINE_${ABI}. If your
190# package installs ABI-specific headers, just add 'prep_ml_includes' to the
191# end of your src_install(). It takes a list of directories that include
192# files are installed in (default is /usr/include if none are passed).
193#
194# Example:
195# src_install() {
196# ...
197# prep_ml_includes /usr/qt/3/include
198# }
199
200prep_ml_includes() {
201 local dirs
202 if [ ${#} -eq 0 ]; then
203 dirs="/usr/include"
128 else 204 else
129 libdirs="lib" 205 dirs="${@}"
206 fi
207
208 if [ $(number_abis) -gt 1 ]; then
209 local dir
210 for dir in ${dirs}; do
211 mv ${D}/${dir} ${D}/${dir}.${ABI}
212 done
213
214 if is_final_abi; then
215 for dir in ${dirs}; do
216 local args="${dir}"
217 local abi
218 for abi in $(get_abi_order); do
219 args="${args} $(get_abi_CDEFINE ${abi}):${dir}.${abi}"
220 done
221 create_ml_includes ${args}
222 done
130 fi 223 fi
224 fi
225}
131 226
227# If you need more control than prep_ml_includes can offer (like linux-headers
228# for the asm-* dirs, then use create_ml_includes. The firs argument is the
229# common dir. The remaining args are of the form <symbol>:<dir> where
230# <symbol> is what is put in the #ifdef for choosing that dir.
231#
232# Ideas for this code came from debian's sparc-linux headers package.
233#
234# Example:
235# create_ml_includes /usr/include/asm __sparc__:/usr/include/asm-sparc __sparc64__:/usr/include/asm-sparc64
236# create_ml_includes /usr/include/asm __i386__:/usr/include/asm-i386 __x86_64__:/usr/include/asm-x86_64
237create_ml_includes() {
238 local dest="${1}"
239 shift
240 local mlinfo="${@}"
241 local basedirs=$(create_ml_includes-listdirs ${mlinfo})
242
243 create_ml_includes-makedestdirs ${dest} ${basedirs}
244
245 local file
246 for file in $(create_ml_includes-allfiles ${basedirs}); do
247 local name="$(echo $file | tr a-z A-Z | sed 's:[^A-Z]:_:g')"
248 {
249 echo "/* Common header file autogenerated by create_ml_includes in multilib.eclass */"
250 #echo "#ifndef __CREATE_ML_INCLUDES_STUB_${name}__"
251 #echo "#define __CREATE_ML_INCLUDES_STUB_${name}__"
252 #echo ""
253
254 local dir
255 for dir in ${basedirs}; do
256 if [ -f "${D}/${dir}/${file}" ]; then
257 echo "#ifdef $(create_ml_includes-sym_for_dir ${dir} ${mlinfo})"
258 echo "#include \"$(create_ml_includes-relative_between ${dest}/$(dirname ${file}) ${dir}/${file})\""
259 echo "#endif /* $(create_ml_includes-sym_for_dir ${dir} ${mlinfo}) */"
260 echo ""
261 fi
262 done
263
264 #echo "#endif /* __CREATE_ML_INCLUDES_STUB_${name}__ */"
265 } > ${D}/${dest}/${file}
266 done
267}
268
269# Helper function for create_ml_includes
270create_ml_includes-relative_between() {
271 local src="$(create_ml_includes-tidy_path ${1})"
272 local dst="$(create_ml_includes-tidy_path ${2})"
273
274 src=(${src//\// })
275 dst=(${dst//\// })
276
277 local i
278 for ((i=0; i<${#src[*]}; i++)); do
279 [ "${dst[i]}" != "${src[i]}" ] && break
280 done
281
282 local common=$i
283
284 for ((i=${#src[*]}; i>common; i--)); do
285 echo -n ../
286 done
287
288 for ((i=common; i<${#dst[*]}-1; i++)); do
289 echo -n ${dst[i]}/
290 done
291
292 echo -n ${dst[i]}
293}
294
295# Helper function for create_ml_includes
296create_ml_includes-tidy_path() {
297 local removed="${1}"
298
299 if [ -n "${1}" ]; then
300 # Remove multiple slashes
301 while [ "${removed}" != "${removed/\/\//\/}" ]; do
302 removed=${removed/\/\//\/}
303 done
304
305 # Remove . directories
306 while [ "${removed}" != "${removed//\/.\//\/}" ]; do
307 removed=${removed//\/.\//\/}
308 done
309 [ "${removed##*/}" = "." ] && removed=${removed%/*}
310
311 # Removed .. directories
312 # I wonder if there's a non-trivial bashism for this one...
313 while [ "${removed}" != "$(echo ${removed} | sed -e 's:[^/]*/\.\./::')" ]; do
314 removed=$(echo ${removed} | sed -e 's:[^/]*/\.\./::')
315 done
316
317 # Remove trailing ..
318 removed=$(echo ${removed} | sed -e 's:/[^/]*/\.\.$::')
319
320 # Remove trailing /
321 [ "${removed##*/}" = "" ] && removed=${removed%/*}
322
323 echo ${removed}
324 fi
325}
326
327# Helper function for create_ml_includes
328create_ml_includes-listdirs() {
329 local dirs
330 local data
331 for data in ${@}; do
332 dirs="${dirs} ${data/*:/}"
333 done
132 echo "${libdirs}" 334 echo ${dirs:1}
133} 335}
336
337# Helper function for create_ml_includes
338create_ml_includes-makedestdirs() {
339 local dest=${1}
340 shift
341 local basedirs=${@}
342
343 dodir ${dest}
344
345 local basedir
346 for basedir in ${basedirs}; do
347 local dir
348 for dir in $(find ${D}/${basedir} -type d); do
349 dodir ${dest}/${dir/${D}\/${basedir}/}
350 done
351 done
352}
353
354# Helper function for create_ml_includes
355create_ml_includes-allfiles() {
356 local basedirs=${@}
357
358 local files
359 for basedir in ${basedirs}; do
360 local file
361 for file in $(find ${D}/${basedir} -type f); do
362 echo ${file/${D}\/${basedir}\//}
363 done
364 done | sort | uniq
365}
366
367# Helper function for create_ml_includes
368create_ml_includes-sym_for_dir() {
369 local dir="${1}"
370 shift
371 local data
372 for data in ${@}; do
373 if [ "${dir}" = "${data/*:/}" ]; then
374 echo ${data/:*/}
375 return 0
376 fi
377 done
378 echo "Should be here -- create_ml_includes-sym_for_dir ${1} ${@}"
379 # exit because we'll likely be called from a subshell
380 exit 1
381}

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