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Revision 1.20 - (show annotations) (download)
Fri Sep 16 15:38:54 2011 UTC (2 years, 10 months ago) by mgorny
Branch: MAIN
Changes since 1.19: +7 -6 lines
Explain .la removal reasons in output.

1 # Copyright 1999-2010 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools-utils.eclass,v 1.19 2011/09/16 15:38:40 mgorny Exp $
4
5 # @ECLASS: autotools-utils.eclass
6 # @MAINTAINER:
7 # Maciej Mrozowski <reavertm@gentoo.org>
8 # Michał Górny <mgorny@gentoo.org>
9 # @BLURB: common ebuild functions for autotools-based packages
10 # @DESCRIPTION:
11 # autotools-utils.eclass is autotools.eclass(5) and base.eclass(5) wrapper
12 # providing all inherited features along with econf arguments as Bash array,
13 # out of source build with overridable build dir location, static archives
14 # handling, libtool files removal, enable/disable debug handling.
15 #
16 # @EXAMPLE:
17 # Typical ebuild using autotools-utils.eclass:
18 #
19 # @CODE
20 # EAPI="2"
21 #
22 # inherit autotools-utils
23 #
24 # DESCRIPTION="Foo bar application"
25 # HOMEPAGE="http://example.org/foo/"
26 # SRC_URI="mirror://sourceforge/foo/${P}.tar.bz2"
27 #
28 # LICENSE="LGPL-2.1"
29 # KEYWORDS=""
30 # SLOT="0"
31 # IUSE="debug doc examples qt4 static-libs tiff"
32 #
33 # CDEPEND="
34 # media-libs/libpng:0
35 # qt4? (
36 # x11-libs/qt-core:4
37 # x11-libs/qt-gui:4
38 # )
39 # tiff? ( media-libs/tiff:0 )
40 # "
41 # RDEPEND="${CDEPEND}
42 # !media-gfx/bar
43 # "
44 # DEPEND="${CDEPEND}
45 # doc? ( app-doc/doxygen )
46 # "
47 #
48 # # bug 123456
49 # AUTOTOOLS_IN_SOURCE_BUILD=1
50 #
51 # DOCS=(AUTHORS ChangeLog README "Read me.txt" TODO)
52 #
53 # PATCHES=(
54 # "${FILESDIR}/${P}-gcc44.patch" # bug 123458
55 # "${FILESDIR}/${P}-as-needed.patch"
56 # "${FILESDIR}/${P}-unbundle_libpng.patch"
57 # )
58 #
59 # src_configure() {
60 # local myeconfargs=(
61 # $(use_with qt4)
62 # $(use_enable threads multithreading)
63 # $(use_with tiff)
64 # )
65 # autotools-utils_src_configure
66 # }
67 #
68 # src_compile() {
69 # autotools-utils_src_compile
70 # use doc && autotools-utils_src_compile docs
71 # }
72 #
73 # src_install() {
74 # use doc && HTML_DOCS=("${AUTOTOOLS_BUILD_DIR}/apidocs/html/")
75 # autotools-utils_src_install
76 # if use examples; then
77 # dobin "${AUTOTOOLS_BUILD_DIR}"/foo_example{1,2,3} \\
78 # || die 'dobin examples failed'
79 # fi
80 # }
81 #
82 # @CODE
83
84 # Keep variable names synced with cmake-utils and the other way around!
85
86 case ${EAPI:-0} in
87 2|3|4) ;;
88 *) die "EAPI=${EAPI} is not supported" ;;
89 esac
90
91 inherit autotools base
92
93 EXPORT_FUNCTIONS src_prepare src_configure src_compile src_install src_test
94
95 # @ECLASS-VARIABLE: AUTOTOOLS_BUILD_DIR
96 # @DESCRIPTION:
97 # Build directory, location where all autotools generated files should be
98 # placed. For out of source builds it defaults to ${WORKDIR}/${P}_build.
99
100 # @ECLASS-VARIABLE: AUTOTOOLS_IN_SOURCE_BUILD
101 # @DESCRIPTION:
102 # Set to enable in-source build.
103
104 # @ECLASS-VARIABLE: ECONF_SOURCE
105 # @DESCRIPTION:
106 # Specify location of autotools' configure script. By default it uses ${S}.
107
108 # @ECLASS-VARIABLE: myeconfargs
109 # @DESCRIPTION:
110 # Optional econf arguments as Bash array. Should be defined before calling src_configure.
111 # @CODE
112 # src_configure() {
113 # local myeconfargs=(
114 # --disable-readline
115 # --with-confdir="/etc/nasty foo confdir/"
116 # $(use_enable debug cnddebug)
117 # $(use_enable threads multithreading)
118 # )
119 # autotools-utils_src_configure
120 # }
121 # @CODE
122
123 # Determine using IN or OUT source build
124 _check_build_dir() {
125 : ${ECONF_SOURCE:=${S}}
126 if [[ -n ${AUTOTOOLS_IN_SOURCE_BUILD} ]]; then
127 AUTOTOOLS_BUILD_DIR="${ECONF_SOURCE}"
128 else
129 : ${AUTOTOOLS_BUILD_DIR:=${WORKDIR}/${P}_build}
130 fi
131 echo ">>> Working in BUILD_DIR: \"$AUTOTOOLS_BUILD_DIR\""
132 }
133
134 # @FUNCTION: remove_libtool_files
135 # @USAGE: [all]
136 # @DESCRIPTION:
137 # Determines unnecessary libtool files (.la) and libtool static archives (.a)
138 # and removes them from installation image.
139 #
140 # To unconditionally remove all libtool files, pass 'all' as argument.
141 # Otherwise, libtool archives required for static linking will be preserved.
142 #
143 # In most cases it's not necessary to manually invoke this function.
144 # See autotools-utils_src_install for reference.
145 remove_libtool_files() {
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
167
168 local f
169 find "${D}" -type f -name '*.la' -print0 | while read -r -d '' f; do
170 local shouldnotlink=$(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.
175 if [[ ${shouldnotlink} ]]; then
176 einfo "Removing unnecessary ${archivefile#${D%/}}"
177 rm -f "${archivefile}" || die
178 # The .la file may be used by a module loader, so avoid removing it
179 # unless explicitly requested.
180 [[ ${removing_all} ]] || continue
181 fi
182
183 # Remove .la files when:
184 # - user explicitly wants us to remove all .la files,
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
199 einfo "Removing unnecessary ${f#${D%/}} (${removing})"
200 rm -f "${f}" || die
201 fi
202 done
203 }
204
205 # @FUNCTION: autotools-utils_src_prepare
206 # @DESCRIPTION:
207 # The src_prepare function.
208 #
209 # Supporting PATCHES array and user patches. See base.eclass(5) for reference.
210 autotools-utils_src_prepare() {
211 debug-print-function ${FUNCNAME} "$@"
212
213 base_src_prepare
214 }
215
216 # @FUNCTION: autotools-utils_src_configure
217 # @DESCRIPTION:
218 # The src_configure function. For out of source build it creates build
219 # directory and runs econf there. Configuration parameters defined
220 # in myeconfargs are passed here to econf. Additionally following USE
221 # flags are known:
222 #
223 # IUSE="debug" passes --disable-debug/--enable-debug to econf respectively.
224 #
225 # IUSE="static-libs" passes --enable-shared and either --disable-static/--enable-static
226 # to econf respectively.
227 autotools-utils_src_configure() {
228 debug-print-function ${FUNCNAME} "$@"
229
230 # Common args
231 local econfargs=()
232
233 # Handle debug found in IUSE
234 if has debug ${IUSE//+}; then
235 econfargs+=($(use_enable debug))
236 fi
237
238 # Handle static-libs found in IUSE, disable them by default
239 if has static-libs ${IUSE//+}; then
240 econfargs+=(
241 --enable-shared
242 $(use_enable static-libs static)
243 )
244 fi
245
246 # Append user args
247 econfargs+=("${myeconfargs[@]}")
248
249 _check_build_dir
250 mkdir -p "${AUTOTOOLS_BUILD_DIR}" || die "mkdir '${AUTOTOOLS_BUILD_DIR}' failed"
251 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
252 base_src_configure "${econfargs[@]}" "$@"
253 popd > /dev/null
254 }
255
256 # @FUNCTION: autotools-utils_src_compile
257 # @DESCRIPTION:
258 # The autotools src_compile function, invokes emake in specified AUTOTOOLS_BUILD_DIR.
259 autotools-utils_src_compile() {
260 debug-print-function ${FUNCNAME} "$@"
261
262 _check_build_dir
263 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
264 base_src_compile "$@"
265 popd > /dev/null
266 }
267
268 # @FUNCTION: autotools-utils_src_install
269 # @DESCRIPTION:
270 # The autotools src_install function. Runs emake install, unconditionally
271 # removes unnecessary static libs (based on shouldnotlink libtool property)
272 # and removes unnecessary libtool files when static-libs USE flag is defined
273 # and unset.
274 #
275 # DOCS and HTML_DOCS arrays are supported. See base.eclass(5) for reference.
276 autotools-utils_src_install() {
277 debug-print-function ${FUNCNAME} "$@"
278
279 _check_build_dir
280 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
281 base_src_install "$@"
282 popd > /dev/null
283
284 # Remove libtool files and unnecessary static libs
285 remove_libtool_files
286 }
287
288 # @FUNCTION: autotools-utils_src_test
289 # @DESCRIPTION:
290 # The autotools src_test function. Runs emake check in build directory.
291 autotools-utils_src_test() {
292 debug-print-function ${FUNCNAME} "$@"
293
294 _check_build_dir
295 pushd "${AUTOTOOLS_BUILD_DIR}" > /dev/null
296 # Run default src_test as defined in ebuild.sh
297 default_src_test
298 popd > /dev/null
299 }

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