/[gentoo-x86]/eclass/autotools-utils.eclass
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1# Copyright 1999-2010 Gentoo Foundation 1# Copyright 1999-2010 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/autotools-utils.eclass,v 1.13 2011/09/16 15:29:22 mgorny Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools-utils.eclass,v 1.21 2011/09/18 07:57:34 mgorny Exp $
4 4
5# @ECLASS: autotools-utils.eclass 5# @ECLASS: autotools-utils.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Maciej Mrozowski <reavertm@gentoo.org> 7# Maciej Mrozowski <reavertm@gentoo.org>
8# Michał Górny <mgorny@gentoo.org> 8# Michał Górny <mgorny@gentoo.org>
86case ${EAPI:-0} in 86case ${EAPI:-0} in
87 2|3|4) ;; 87 2|3|4) ;;
88 *) die "EAPI=${EAPI} is not supported" ;; 88 *) die "EAPI=${EAPI} is not supported" ;;
89esac 89esac
90 90
91inherit autotools base 91inherit autotools base eutils
92 92
93EXPORT_FUNCTIONS src_prepare src_configure src_compile src_install src_test 93EXPORT_FUNCTIONS src_prepare src_configure src_compile src_install src_test
94 94
95# @ECLASS-VARIABLE: AUTOTOOLS_BUILD_DIR 95# @ECLASS-VARIABLE: AUTOTOOLS_BUILD_DIR
96# @DESCRIPTION: 96# @DESCRIPTION:
130 fi 130 fi
131 echo ">>> Working in BUILD_DIR: \"$AUTOTOOLS_BUILD_DIR\"" 131 echo ">>> Working in BUILD_DIR: \"$AUTOTOOLS_BUILD_DIR\""
132} 132}
133 133
134# @FUNCTION: remove_libtool_files 134# @FUNCTION: remove_libtool_files
135# @USAGE: [all|none] 135# @USAGE: [all]
136# @DESCRIPTION: 136# @DESCRIPTION:
137# Determines unnecessary libtool files (.la) and libtool static archives (.a) 137# Determines unnecessary libtool files (.la) and libtool static archives (.a)
138# and removes them from installation image. 138# and removes them from installation image.
139#
139# To unconditionally remove all libtool files, pass 'all' as argument. 140# To unconditionally remove all libtool files, pass 'all' as argument.
140# To leave all libtool files alone, pass 'none' as argument. 141# Otherwise, libtool archives required for static linking will be preserved.
141# Unnecessary static archives are removed in any case.
142# 142#
143# In most cases it's not necessary to manually invoke this function. 143# In most cases it's not necessary to manually invoke this function.
144# See autotools-utils_src_install for reference. 144# See autotools-utils_src_install for reference.
145remove_libtool_files() { 145remove_libtool_files() {
146 debug-print-function ${FUNCNAME} "$@" 146 debug-print-function ${FUNCNAME} "$@"
147 local removing_all
148 [[ ${#} -le 1 ]] || die "Invalid number of args to ${FUNCNAME}()"
149 if [[ ${#} -eq 1 ]]; then
150 case "${1}" in
151 all)
152 removing_all=1
153 ;;
154 *)
155 die "Invalid argument to ${FUNCNAME}(): ${1}"
156 esac
157 fi
158
159 local pc_libs=()
160 if [[ ! ${removing_all} ]]; then
161 local arg
162 for arg in $(find "${D}" -name '*.pc' -exec \
163 sed -n -e 's;^Libs:;;p' {} +); do
164 [[ ${arg} == -l* ]] && pc_libs+=(lib${arg#-l}.la)
165 done
166 fi
147 167
148 local f 168 local f
149 find "${D}" -type f -name '*.la' -print0 | while read -r -d '' f; do 169 find "${D}" -type f -name '*.la' -print0 | while read -r -d '' f; do
150 # Keep only .la files with shouldnotlink=yes - likely plugins
151 local shouldnotlink=$(sed -ne '/^shouldnotlink=yes$/p' "${f}") 170 local shouldnotlink=$(sed -ne '/^shouldnotlink=yes$/p' "${f}")
171 local archivefile=${f/%.la/.a}
172 [[ "${f}" != "${archivefile}" ]] || die 'regex sanity check failed'
173
174 # Remove static libs we're not supposed to link against.
152 if [[ "$1" == 'all' || -z ${shouldnotlink} ]]; then 175 if [[ ${shouldnotlink} ]]; then
153 if [[ "$1" != 'none' ]]; then
154 einfo "Removing unnecessary ${f#${D%/}}" 176 einfo "Removing unnecessary ${archivefile#${D%/}}"
155 rm -f "${f}" 177 rm -f "${archivefile}" || die
156 fi 178 # The .la file may be used by a module loader, so avoid removing it
179 # unless explicitly requested.
180 [[ ${removing_all} ]] || continue
157 fi 181 fi
158 # Remove static libs we're not supposed to link against 182
159 if [[ -n ${shouldnotlink} ]]; then 183 # Remove .la files when:
160 local remove=${f/%.la/.a} 184 # - user explicitly wants us to remove all .la files,
161 [[ "${f}" != "${remove}" ]] || die 'regex sanity check failed' 185 # - respective static archive doesn't exist,
186 # - they are covered by a .pc file already,
187 # - they don't provide any new information (no libs & no flags).
188 local removing
189 if [[ ${removing_all} ]]; then removing='forced'
190 elif [[ ! -f ${archivefile} ]]; then removing='no static archive'
191 elif has "$(basename "${f}")" "${pc_libs[@]}"; then
192 removing='covered by .pc'
193 elif [[ ! $(sed -n -e \
194 "s/^\(dependency_libs\|inherited_linker_flags\)='\(.*\)'$/\2/p" \
195 "${f}") ]]; then removing='no libs & flags'
196 fi
197
198 if [[ ${removing} ]]; then
162 einfo "Removing unnecessary ${remove#${D%/}}" 199 einfo "Removing unnecessary ${f#${D%/}} (${removing})"
163 rm -f "${remove}" 200 rm -f "${f}" || die
164 fi 201 fi
165 done 202 done
166} 203}
167 204
168# @FUNCTION: autotools-utils_src_prepare 205# @FUNCTION: autotools-utils_src_prepare
181# The src_configure function. For out of source build it creates build 218# The src_configure function. For out of source build it creates build
182# directory and runs econf there. Configuration parameters defined 219# directory and runs econf there. Configuration parameters defined
183# in myeconfargs are passed here to econf. Additionally following USE 220# in myeconfargs are passed here to econf. Additionally following USE
184# flags are known: 221# flags are known:
185# 222#
186# IUSE="debug" passes --disable-debug/--enable-debug to econf respectively.
187#
188# IUSE="static-libs" passes --enable-shared and either --disable-static/--enable-static 223# IUSE="static-libs" passes --enable-shared and either --disable-static/--enable-static
189# to econf respectively. 224# to econf respectively.
190autotools-utils_src_configure() { 225autotools-utils_src_configure() {
191 debug-print-function ${FUNCNAME} "$@" 226 debug-print-function ${FUNCNAME} "$@"
192 227
193 # Common args 228 # Common args
194 local econfargs=() 229 local econfargs=()
195 230
196 # Handle debug found in IUSE 231 # Handle debug found in IUSE
197 if has debug ${IUSE//+}; then 232 if has debug ${IUSE//+}; then
198 econfargs+=($(use_enable debug)) 233 local debugarg=$(use_enable debug)
234 if ! has "${debugarg}" "${myeconfargs[@]}"; then
235 eqawarn 'Implicit $(use_enable debug) for IUSE="debug" is no longer supported.'
236 eqawarn 'Please add the necessary arg to myeconfargs if requested.'
237 eqawarn 'The autotools-utils eclass will stop warning about it on Oct 15th.'
238 fi
199 fi 239 fi
200 240
201 # Handle static-libs found in IUSE, disable them by default 241 # Handle static-libs found in IUSE, disable them by default
202 if has static-libs ${IUSE//+}; then 242 if has static-libs ${IUSE//+}; then
203 econfargs+=( 243 econfargs+=(
243 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null 283 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
244 base_src_install "$@" 284 base_src_install "$@"
245 popd > /dev/null 285 popd > /dev/null
246 286
247 # Remove libtool files and unnecessary static libs 287 # Remove libtool files and unnecessary static libs
248 local args
249 has static-libs ${IUSE//+} && ! use static-libs || args='none'
250 remove_libtool_files ${args} 288 remove_libtool_files
251} 289}
252 290
253# @FUNCTION: autotools-utils_src_test 291# @FUNCTION: autotools-utils_src_test
254# @DESCRIPTION: 292# @DESCRIPTION:
255# The autotools src_test function. Runs emake check in build directory. 293# The autotools src_test function. Runs emake check in build directory.

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