/[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 1.6 2011/01/20 00:12:59 reavertm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools-utils.eclass,v 1.22 2011/09/18 07:57:55 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# @BLURB: common ebuild functions for autotools-based packages 9# @BLURB: common ebuild functions for autotools-based packages
9# @DESCRIPTION: 10# @DESCRIPTION:
10# autotools-utils.eclass is autotools.eclass(5) and base.eclass(5) wrapper 11# autotools-utils.eclass is autotools.eclass(5) and base.eclass(5) wrapper
11# providing all inherited features along with econf arguments as Bash array, 12# providing all inherited features along with econf arguments as Bash array,
12# out of source build with overridable build dir location, static archives 13# out of source build with overridable build dir location, static archives
81# @CODE 82# @CODE
82 83
83# Keep variable names synced with cmake-utils and the other way around! 84# Keep variable names synced with cmake-utils and the other way around!
84 85
85case ${EAPI:-0} in 86case ${EAPI:-0} in
86 2|3) ;; 87 2|3|4) ;;
87 *) die "EAPI=${EAPI} is not supported" ;; 88 *) die "EAPI=${EAPI} is not supported" ;;
88esac 89esac
89 90
90inherit autotools base 91inherit autotools base eutils
91 92
92EXPORT_FUNCTIONS src_prepare src_configure src_compile src_install src_test 93EXPORT_FUNCTIONS src_prepare src_configure src_compile src_install src_test
93 94
94# @ECLASS-VARIABLE: AUTOTOOLS_BUILD_DIR 95# @ECLASS-VARIABLE: AUTOTOOLS_BUILD_DIR
95# @DESCRIPTION: 96# @DESCRIPTION:
107# @ECLASS-VARIABLE: myeconfargs 108# @ECLASS-VARIABLE: myeconfargs
108# @DESCRIPTION: 109# @DESCRIPTION:
109# Optional econf arguments as Bash array. Should be defined before calling src_configure. 110# Optional econf arguments as Bash array. Should be defined before calling src_configure.
110# @CODE 111# @CODE
111# src_configure() { 112# src_configure() {
112# myeconfargs=( 113# local myeconfargs=(
113# --disable-readline 114# --disable-readline
114# --with-confdir="/etc/nasty foo confdir/" 115# --with-confdir="/etc/nasty foo confdir/"
115# $(use_enable debug cnddebug) 116# $(use_enable debug cnddebug)
116# $(use_enable threads multithreading) 117# $(use_enable threads multithreading)
117# ) 118# )
129 fi 130 fi
130 echo ">>> Working in BUILD_DIR: \"$AUTOTOOLS_BUILD_DIR\"" 131 echo ">>> Working in BUILD_DIR: \"$AUTOTOOLS_BUILD_DIR\""
131} 132}
132 133
133# @FUNCTION: remove_libtool_files 134# @FUNCTION: remove_libtool_files
134# @USAGE: [all|none] 135# @USAGE: [all]
135# @DESCRIPTION: 136# @DESCRIPTION:
136# Determines unnecessary libtool files (.la) and libtool static archives (.a) 137# Determines unnecessary libtool files (.la) and libtool static archives (.a)
137# and removes them from installation image. 138# and removes them from installation image.
139#
138# To unconditionally remove all libtool files, pass 'all' as argument. 140# To unconditionally remove all libtool files, pass 'all' as argument.
139# To leave all libtool files alone, pass 'none' as argument. 141# Otherwise, libtool archives required for static linking will be preserved.
140# Unnecessary static archives are removed in any case.
141# 142#
142# 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.
143# See autotools-utils_src_install for reference. 144# See autotools-utils_src_install for reference.
144remove_libtool_files() { 145remove_libtool_files() {
145 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
146 167
147 local f 168 local f
148 for f in $(find "${D}" -type f -name '*.la'); do 169 find "${D}" -type f -name '*.la' -print0 | while read -r -d '' f; do
149 # Keep only .la files with shouldnotlink=yes - likely plugins
150 local shouldnotlink=$(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.
151 if [[ "$1" == 'all' || -z ${shouldnotlink} ]]; then 175 if [[ ${shouldnotlink} ]]; then
152 if [[ "$1" != 'none' ]]; then 176 einfo "Removing unnecessary ${archivefile#${D%/}}"
153 echo "Removing unnecessary ${f}" 177 rm -f "${archivefile}" || die
154 rm -f "${f}" 178 # The .la file may be used by a module loader, so avoid removing it
155 fi 179 # unless explicitly requested.
180 [[ ${removing_all} ]] || continue
156 fi 181 fi
157 # Remove static libs we're not supposed to link against 182
158 if [[ -n ${shouldnotlink} ]]; then 183 # Remove .la files when:
159 local remove=${f/%.la/.a} 184 # - user explicitly wants us to remove all .la files,
160 [[ "${f}" != "${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
161 echo "Removing unnecessary ${remove}" 199 einfo "Removing unnecessary ${f#${D%/}} (${removing})"
162 rm -f "${remove}" 200 rm -f "${f}" || die
163 fi 201 fi
164 done 202 done
165} 203}
166 204
167# @FUNCTION: autotools-utils_src_prepare 205# @FUNCTION: autotools-utils_src_prepare
180# 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
181# directory and runs econf there. Configuration parameters defined 219# directory and runs econf there. Configuration parameters defined
182# in myeconfargs are passed here to econf. Additionally following USE 220# in myeconfargs are passed here to econf. Additionally following USE
183# flags are known: 221# flags are known:
184# 222#
185# IUSE="debug" passes --disable-debug/--enable-debug to econf respectively.
186#
187# 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
188# to econf respectively. 224# to econf respectively.
189autotools-utils_src_configure() { 225autotools-utils_src_configure() {
190 debug-print-function ${FUNCNAME} "$@" 226 debug-print-function ${FUNCNAME} "$@"
191 227
228 [[ -z ${myeconfargs+1} || $(declare -p myeconfargs) == 'declare -a'* ]] \
229 || die 'autotools-utils.eclass: myeconfargs has to be an array.'
230
192 # Common args 231 # Common args
193 local econfargs=() 232 local econfargs=()
194 233
195 # Handle debug found in IUSE 234 # Handle debug found in IUSE
196 if has debug ${IUSE//+}; then 235 if has debug ${IUSE//+}; then
197 econfargs+=($(use_enable debug)) 236 local debugarg=$(use_enable debug)
237 if ! has "${debugarg}" "${myeconfargs[@]}"; then
238 eqawarn 'Implicit $(use_enable debug) for IUSE="debug" is no longer supported.'
239 eqawarn 'Please add the necessary arg to myeconfargs if requested.'
240 eqawarn 'The autotools-utils eclass will stop warning about it on Oct 15th.'
241 fi
198 fi 242 fi
199 243
200 # Handle static-libs found in IUSE, disable them by default 244 # Handle static-libs found in IUSE, disable them by default
201 if has static-libs ${IUSE//+}; then 245 if has static-libs ${IUSE//+}; then
202 econfargs+=( 246 econfargs+=(
238autotools-utils_src_install() { 282autotools-utils_src_install() {
239 debug-print-function ${FUNCNAME} "$@" 283 debug-print-function ${FUNCNAME} "$@"
240 284
241 _check_build_dir 285 _check_build_dir
242 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null 286 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
243 base_src_install 287 base_src_install "$@"
244 popd > /dev/null 288 popd > /dev/null
245 289
246 # Remove libtool files and unnecessary static libs 290 # Remove libtool files and unnecessary static libs
247 local args
248 has static-libs ${IUSE//+} && ! use static-libs || args='none'
249 remove_libtool_files ${args} 291 remove_libtool_files
250} 292}
251 293
252# @FUNCTION: autotools-utils_src_test 294# @FUNCTION: autotools-utils_src_test
253# @DESCRIPTION: 295# @DESCRIPTION:
254# The autotools src_test function. Runs emake check in build directory. 296# The autotools src_test function. Runs emake check in build directory.

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