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Revision 1.110 - (show annotations) (download)
Mon Nov 14 17:08:49 2011 UTC (2 years, 10 months ago) by vapier
Branch: MAIN
Changes since 1.109: +2 -2 lines
add a --force flag to elibtoolize so that eautoreconf can make sure it runs even in face of poor interactions with earlier ebuilds/eclasses code #232820

1 # Copyright 1999-2011 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.109 2011/10/05 13:44:25 vapier Exp $
4
5 # @ECLASS: autotools.eclass
6 # @MAINTAINER:
7 # base-system@gentoo.org
8 # @BLURB: Regenerates auto* build scripts
9 # @DESCRIPTION:
10 # This eclass is for safely handling autotooled software packages that need to
11 # regenerate their build scripts. All functions will abort in case of errors.
12
13 inherit eutils libtool
14
15 # @ECLASS-VARIABLE: WANT_AUTOCONF
16 # @DESCRIPTION:
17 # The major version of autoconf your package needs
18 : ${WANT_AUTOCONF:=latest}
19
20 # @ECLASS-VARIABLE: WANT_AUTOMAKE
21 # @DESCRIPTION:
22 # The major version of automake your package needs
23 : ${WANT_AUTOMAKE:=latest}
24
25 # @ECLASS-VARIABLE: WANT_LIBTOOL
26 # @DESCRIPTION:
27 # Do you want libtool? Valid values here are "latest" and "none".
28 : ${WANT_LIBTOOL:=latest}
29
30 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
31 # @INTERNAL
32 # @DESCRIPTION:
33 # CONSTANT!
34 # The latest major version/slot of automake available on each arch.
35 # If a newer version is stable on any arch, and is NOT reflected in this list,
36 # then circular dependencies may arise during emerge @system bootstraps.
37 # Do NOT change this variable in your ebuilds!
38 _LATEST_AUTOMAKE='1.11'
39
40 _automake_atom="sys-devel/automake"
41 _autoconf_atom="sys-devel/autoconf"
42 if [[ -n ${WANT_AUTOMAKE} ]]; then
43 case ${WANT_AUTOMAKE} in
44 none) _automake_atom="" ;; # some packages don't require automake at all
45 # if you change the "latest" version here, change also autotools_run_tool
46 # this MUST reflect the latest stable major version for each arch!
47 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
48 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
49 esac
50 export WANT_AUTOMAKE
51 fi
52
53 if [[ -n ${WANT_AUTOCONF} ]] ; then
54 case ${WANT_AUTOCONF} in
55 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
56 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
57 # if you change the “latest” version here, change also autotools_run_tool
58 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
59 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
60 esac
61 export WANT_AUTOCONF
62 fi
63
64 _libtool_atom="sys-devel/libtool"
65 if [[ -n ${WANT_LIBTOOL} ]] ; then
66 case ${WANT_LIBTOOL} in
67 none) _libtool_atom="" ;;
68 latest) ;;
69 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
70 esac
71 export WANT_LIBTOOL
72 fi
73
74 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
75 RDEPEND=""
76
77 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
78 # @DESCRIPTION:
79 # Set to 'no' to disable automatically adding to DEPEND. This lets
80 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
81 # their own DEPEND string.
82 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
83 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
84 DEPEND=${AUTOTOOLS_DEPEND}
85 fi
86
87 unset _automake_atom _autoconf_atom
88
89 # @ECLASS-VARIABLE: AM_OPTS
90 # @DEFAULT_UNSET
91 # @DESCRIPTION:
92 # Additional options to pass to automake during
93 # eautoreconf call.
94
95 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
96 # @DEFAULT_UNSET
97 # @DESCRIPTION:
98 # Don't run elibtoolize command if set to 'yes',
99 # useful when elibtoolize needs to be ran with
100 # particular options
101
102 # XXX: M4DIR should be deprecated
103 # @ECLASS-VARIABLE: AT_M4DIR
104 # @DESCRIPTION:
105 # Additional director(y|ies) aclocal should search
106 : ${AT_M4DIR:=${M4DIR}}
107
108 # @FUNCTION: eautoreconf
109 # @DESCRIPTION:
110 # This function mimes the behavior of autoreconf, but uses the different
111 # eauto* functions to run the tools. It doesn't accept parameters, but
112 # the directory with include files can be specified with AT_M4DIR variable.
113 #
114 # Should do a full autoreconf - normally what most people will be interested in.
115 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
116 eautoreconf() {
117 local x auxdir g
118
119 if [[ -z ${AT_NO_RECURSIVE} ]]; then
120 # Take care of subdirs
121 for x in $(autotools_get_subdirs); do
122 if [[ -d ${x} ]] ; then
123 pushd "${x}" >/dev/null
124 AT_NOELIBTOOLIZE="yes" eautoreconf
125 popd >/dev/null
126 fi
127 done
128 fi
129
130 auxdir=$(autotools_get_auxdir)
131
132 einfo "Running eautoreconf in '${PWD}' ..."
133 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
134 eaclocal
135 [[ ${CHOST} == *-darwin* ]] && g=g
136 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
137 _elibtoolize --copy --force --install
138 else
139 _elibtoolize --copy --force
140 fi
141 eautoconf
142 eautoheader
143 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
144
145 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
146
147 # Call it here to prevent failures due to elibtoolize called _before_
148 # eautoreconf. We set $S because elibtoolize runs on that #265319
149 S=${PWD} elibtoolize --force
150
151 return 0
152 }
153
154 # @FUNCTION: eaclocal_amflags
155 # @DESCRIPTION:
156 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
157 # (most) of the crazy crap that people throw at us.
158 eaclocal_amflags() {
159 local aclocal_opts amflags_file
160
161 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
162 [[ -e ${amflags_file} ]] || continue
163 # setup the env in case the pkg does something crazy
164 # in their ACLOCAL_AMFLAGS. like run a shell script
165 # which turns around and runs autotools. #365401
166 # or split across multiple lines. #383525
167 autotools_env_setup
168 aclocal_opts=$(sed -n \
169 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
170 # match the first line
171 s:[^=]*=::p; \
172 # then gobble up all escaped lines
173 : nextline /\\\\$/{ n; p; b nextline; } \
174 }" ${amflags_file})
175 eval aclocal_opts=\""${aclocal_opts}"\"
176 break
177 done
178
179 echo ${aclocal_opts}
180 }
181
182 # @FUNCTION: eaclocal
183 # @DESCRIPTION:
184 # These functions runs the autotools using autotools_run_tool with the
185 # specified parametes. The name of the tool run is the same of the function
186 # without e prefix.
187 # They also force installing the support files for safety.
188 # Respects AT_M4DIR for additional directories to search for macro's.
189 eaclocal() {
190 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
191 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" $(eaclocal_amflags)
192 }
193
194 # @FUNCTION: _elibtoolize
195 # @DESCRIPTION:
196 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
197 # libtool.eclass.
198 _elibtoolize() {
199 local opts g=
200
201 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
202 # check for both it and the current AC_PROG_LIBTOOL)
203 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
204
205 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
206
207 [[ ${CHOST} == *-darwin* ]] && g=g
208 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
209
210 # Need to rerun aclocal
211 eaclocal
212 }
213
214 # @FUNCTION: eautoheader
215 # @DESCRIPTION:
216 # Runs autoheader.
217 eautoheader() {
218 # Check if we should run autoheader
219 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
220 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
221 }
222
223 # @FUNCTION: eautoconf
224 # @DESCRIPTION:
225 # Runs autoconf.
226 eautoconf() {
227 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
228 echo
229 eerror "No configure.{ac,in} present in '${PWD}'!"
230 echo
231 die "No configure.{ac,in} present!"
232 fi
233
234 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
235 }
236
237 # @FUNCTION: eautomake
238 # @DESCRIPTION:
239 # Runs automake.
240 eautomake() {
241 local extra_opts
242 local makefile_name
243
244 # Run automake if:
245 # - a Makefile.am type file exists
246 # - a Makefile.in type file exists and the configure
247 # script is using the AM_INIT_AUTOMAKE directive
248 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
249 [[ -f ${makefile_name} ]] && break
250 done
251 [[ -z ${makefile_name} ]] && return 0
252
253 if [[ ${makefile_name} == *.in ]] ; then
254 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
255 return 0
256 fi
257
258 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
259 local used_automake
260 local installed_automake
261
262 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
263 sed -e 's:.*(GNU automake) ::')
264 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
265 sed -e 's:.*by automake \(.*\) from .*:\1:')
266
267 if [[ ${installed_automake} != ${used_automake} ]]; then
268 einfo "Automake used for the package (${used_automake}) differs from"
269 einfo "the installed version (${installed_automake})."
270 eautoreconf
271 return 0
272 fi
273 fi
274
275 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
276 || extra_opts="${extra_opts} --foreign"
277
278 # --force-missing seems not to be recognized by some flavours of automake
279 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
280 }
281
282 # @FUNCTION: eautopoint
283 # @DESCRIPTION:
284 # Runs autopoint (from the gettext package).
285 eautopoint() {
286 autotools_run_tool autopoint "$@"
287 }
288
289 # Internal function to run an autotools' tool
290 autotools_env_setup() {
291 # We do the “latest” → version switch here because it solves
292 # possible order problems, see bug #270010 as an example.
293 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
294 local pv
295 for pv in ${_LATEST_AUTOMAKE} ; do
296 # has_version respects ROOT, but in this case, we don't want it to,
297 # thus "ROOT=/" prefix:
298 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
299 done
300 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
301 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
302 fi
303 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
304 }
305 autotools_run_tool() {
306 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
307 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
308 fi
309
310 autotools_env_setup
311
312 local STDERR_TARGET="${T}/$1.out"
313 # most of the time, there will only be one run, but if there are
314 # more, make sure we get unique log filenames
315 if [[ -e ${STDERR_TARGET} ]] ; then
316 local i=1
317 while :; do
318 STDERR_TARGET="${T}/$1-${i}.out"
319 [[ -e ${STDERR_TARGET} ]] || break
320 : $(( i++ ))
321 done
322 fi
323
324 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
325
326 ebegin "Running $@"
327 "$@" >> "${STDERR_TARGET}" 2>&1
328 eend $?
329
330 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
331 echo
332 eerror "Failed Running $1 !"
333 eerror
334 eerror "Include in your bugreport the contents of:"
335 eerror
336 eerror " ${STDERR_TARGET}"
337 echo
338 die "Failed Running $1 !"
339 fi
340 }
341
342 # Internal function to check for support
343 autotools_check_macro() {
344 [[ -f configure.ac || -f configure.in ]] || return 0
345 local macro
346 for macro ; do
347 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
348 done
349 return 0
350 }
351
352 # Internal function to get additional subdirs to configure
353 autotools_get_subdirs() {
354 local subdirs_scan_out
355
356 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
357 [[ -n ${subdirs_scan_out} ]] || return 0
358
359 echo "${subdirs_scan_out}" | gawk \
360 '($0 !~ /^[[:space:]]*(#|dnl)/) {
361 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
362 print res[1]
363 }' | uniq
364
365 return 0
366 }
367
368 autotools_get_auxdir() {
369 local auxdir_scan_out
370
371 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
372 [[ -n ${auxdir_scan_out} ]] || return 0
373
374 echo ${auxdir_scan_out} | gawk \
375 '($0 !~ /^[[:space:]]*(#|dnl)/) {
376 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
377 print res[1]
378 }' | uniq
379
380 return 0
381 }
382
383 autotools_m4dir_include() {
384 [[ -n ${AT_M4DIR} ]] || return
385
386 local include_opts=
387
388 for x in ${AT_M4DIR} ; do
389 case "${x}" in
390 "-I")
391 # We handle it below
392 ;;
393 *)
394 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
395 include_opts="${include_opts} -I ${x}"
396 ;;
397 esac
398 done
399
400 echo $include_opts
401 }

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