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Revision 1.107 - (show annotations) (download)
Fri Sep 23 04:14:02 2011 UTC (3 years, 1 month ago) by vapier
Branch: MAIN
Changes since 1.106: +28 -14 lines
handle multiline ACLOCAL_AMFLAGS #383525 by Mikael Morin

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 1.106 2011/08/22 19:39:52 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 # NB: If you add anything, please comment it!
14
15 inherit eutils libtool
16
17 # @ECLASS-VARIABLE: WANT_AUTOCONF
18 # @DESCRIPTION:
19 # The major version of autoconf your package needs
20 : ${WANT_AUTOCONF:=latest}
21
22 # @ECLASS-VARIABLE: WANT_AUTOMAKE
23 # @DESCRIPTION:
24 # The major version of automake your package needs
25 : ${WANT_AUTOMAKE:=latest}
26
27 # @ECLASS-VARIABLE: WANT_LIBTOOL
28 # @DESCRIPTION:
29 # Do you want libtool? Valid values here are "latest" and "none".
30 : ${WANT_LIBTOOL:=latest}
31
32 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
33 # @INTERNAL
34 # @DESCRIPTION:
35 # CONSTANT!
36 # The latest major version/slot of automake available on each arch.
37 # If a newer version is stable on any arch, and is NOT reflected in this list,
38 # then circular dependencies may arise during emerge @system bootstraps.
39 # Do NOT change this variable in your ebuilds!
40 _LATEST_AUTOMAKE='1.11'
41
42 _automake_atom="sys-devel/automake"
43 _autoconf_atom="sys-devel/autoconf"
44 if [[ -n ${WANT_AUTOMAKE} ]]; then
45 case ${WANT_AUTOMAKE} in
46 none) _automake_atom="" ;; # some packages don't require automake at all
47 # if you change the "latest" version here, change also autotools_run_tool
48 # this MUST reflect the latest stable major version for each arch!
49 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
50 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
51 esac
52 export WANT_AUTOMAKE
53 fi
54
55 if [[ -n ${WANT_AUTOCONF} ]] ; then
56 case ${WANT_AUTOCONF} in
57 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
58 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
59 # if you change the “latest” version here, change also autotools_run_tool
60 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
61 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
62 esac
63 export WANT_AUTOCONF
64 fi
65
66 _libtool_atom="sys-devel/libtool"
67 if [[ -n ${WANT_LIBTOOL} ]] ; then
68 case ${WANT_LIBTOOL} in
69 none) _libtool_atom="" ;;
70 latest) ;;
71 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
72 esac
73 export WANT_LIBTOOL
74 fi
75
76 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
77 RDEPEND=""
78
79 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
80 # @DESCRIPTION:
81 # Set to 'no' to disable automatically adding to DEPEND. This lets
82 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
83 # their own DEPEND string.
84 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
85 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
86 DEPEND=${AUTOTOOLS_DEPEND}
87 fi
88
89 unset _automake_atom _autoconf_atom
90
91 # @ECLASS-VARIABLE: AM_OPTS
92 # @DEFAULT_UNSET
93 # @DESCRIPTION:
94 # Additional options to pass to automake during
95 # eautoreconf call.
96
97 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
98 # @DEFAULT_UNSET
99 # @DESCRIPTION:
100 # Don't run elibtoolize command if set to 'yes',
101 # useful when elibtoolize needs to be ran with
102 # particular options
103
104 # XXX: M4DIR should be deprecated
105 # @ECLASS-VARIABLE: AT_M4DIR
106 # @DESCRIPTION:
107 # Additional director(y|ies) aclocal should search
108 : ${AT_M4DIR:=${M4DIR}}
109
110 # @FUNCTION: eautoreconf
111 # @DESCRIPTION:
112 # This function mimes the behavior of autoreconf, but uses the different
113 # eauto* functions to run the tools. It doesn't accept parameters, but
114 # the directory with include files can be specified with AT_M4DIR variable.
115 #
116 # Should do a full autoreconf - normally what most people will be interested in.
117 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
118 eautoreconf() {
119 local x auxdir g
120
121 if [[ -z ${AT_NO_RECURSIVE} ]]; then
122 # Take care of subdirs
123 for x in $(autotools_get_subdirs); do
124 if [[ -d ${x} ]] ; then
125 pushd "${x}" >/dev/null
126 AT_NOELIBTOOLIZE="yes" eautoreconf
127 popd >/dev/null
128 fi
129 done
130 fi
131
132 auxdir=$(autotools_get_auxdir)
133
134 einfo "Running eautoreconf in '${PWD}' ..."
135 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
136 eaclocal
137 [[ ${CHOST} == *-darwin* ]] && g=g
138 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
139 _elibtoolize --copy --force --install
140 else
141 _elibtoolize --copy --force
142 fi
143 eautoconf
144 eautoheader
145 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
146
147 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
148
149 # Call it here to prevent failures due to elibtoolize called _before_
150 # eautoreconf. We set $S because elibtoolize runs on that #265319
151 S=${PWD} elibtoolize
152
153 return 0
154 }
155
156 # @FUNCTION: eaclocal_amflags
157 # @DESCRIPTION:
158 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
159 # (most) of the crazy crap that people throw at us.
160 eaclocal_amflags() {
161 local aclocal_opts amflags_file
162
163 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
164 [[ -e ${amflags_file} ]] || continue
165 # setup the env in case the pkg does something crazy
166 # in their ACLOCAL_AMFLAGS. like run a shell script
167 # which turns around and runs autotools. #365401
168 # or split across multiple lines. #383525
169 autotools_env_setup
170 aclocal_opts=$(sed -n \
171 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
172 # match the first line
173 s:[^=]*=::p; \
174 # then gobble up all escaped lines
175 : nextline /\\\\$/{ n; p; b nextline; } \
176 }" ${amflags_file})
177 eval aclocal_opts=\""${aclocal_opts}"\"
178 break
179 done
180
181 echo ${aclocal_opts}
182 }
183
184 # @FUNCTION: eaclocal
185 # @DESCRIPTION:
186 # These functions runs the autotools using autotools_run_tool with the
187 # specified parametes. The name of the tool run is the same of the function
188 # without e prefix.
189 # They also force installing the support files for safety.
190 # Respects AT_M4DIR for additional directories to search for macro's.
191 eaclocal() {
192 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
193 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" $(eaclocal_amflags)
194 }
195
196 # @FUNCTION: _elibtoolize
197 # @DESCRIPTION:
198 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
199 # libtool.eclass.
200 _elibtoolize() {
201 local opts g=
202
203 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
204 # check for both it and the current AC_PROG_LIBTOOL)
205 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
206
207 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
208
209 [[ ${CHOST} == *-darwin* ]] && g=g
210 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
211
212 # Need to rerun aclocal
213 eaclocal
214 }
215
216 # @FUNCTION: eautoheader
217 # @DESCRIPTION:
218 # Runs autoheader.
219 eautoheader() {
220 # Check if we should run autoheader
221 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
222 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
223 }
224
225 # @FUNCTION: eautoconf
226 # @DESCRIPTION:
227 # Runs autoconf.
228 eautoconf() {
229 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
230 echo
231 eerror "No configure.{ac,in} present in '${PWD}'!"
232 echo
233 die "No configure.{ac,in} present!"
234 fi
235
236 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
237 }
238
239 # @FUNCTION: eautomake
240 # @DESCRIPTION:
241 # Runs automake.
242 eautomake() {
243 local extra_opts
244 local makefile_name
245
246 # Run automake if:
247 # - a Makefile.am type file exists
248 # - a Makefile.in type file exists and the configure
249 # script is using the AM_INIT_AUTOMAKE directive
250 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
251 [[ -f ${makefile_name} ]] && break
252 done
253 [[ -z ${makefile_name} ]] && return 0
254
255 if [[ ${makefile_name} == *.in ]] ; then
256 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
257 return 0
258 fi
259
260 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
261 local used_automake
262 local installed_automake
263
264 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
265 sed -e 's:.*(GNU automake) ::')
266 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
267 sed -e 's:.*by automake \(.*\) from .*:\1:')
268
269 if [[ ${installed_automake} != ${used_automake} ]]; then
270 einfo "Automake used for the package (${used_automake}) differs from"
271 einfo "the installed version (${installed_automake})."
272 eautoreconf
273 return 0
274 fi
275 fi
276
277 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
278 || extra_opts="${extra_opts} --foreign"
279
280 # --force-missing seems not to be recognized by some flavours of automake
281 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
282 }
283
284 # @FUNCTION: eautopoint
285 # @DESCRIPTION:
286 # Runs autopoint (from the gettext package).
287 eautopoint() {
288 autotools_run_tool autopoint "$@"
289 }
290
291 # Internal function to run an autotools' tool
292 autotools_env_setup() {
293 # We do the “latest” → version switch here because it solves
294 # possible order problems, see bug #270010 as an example.
295 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
296 local pv
297 for pv in ${_LATEST_AUTOMAKE} ; do
298 # has_version respects ROOT, but in this case, we don't want it to,
299 # thus "ROOT=/" prefix:
300 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
301 done
302 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
303 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
304 fi
305 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
306 }
307 autotools_run_tool() {
308 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
309 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
310 fi
311
312 autotools_env_setup
313
314 local STDERR_TARGET="${T}/$1.out"
315 # most of the time, there will only be one run, but if there are
316 # more, make sure we get unique log filenames
317 if [[ -e ${STDERR_TARGET} ]] ; then
318 local i=1
319 while :; do
320 STDERR_TARGET="${T}/$1-${i}.out"
321 [[ -e ${STDERR_TARGET} ]] || break
322 : $(( i++ ))
323 done
324 fi
325
326 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
327
328 ebegin "Running $@"
329 "$@" >> "${STDERR_TARGET}" 2>&1
330 eend $?
331
332 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
333 echo
334 eerror "Failed Running $1 !"
335 eerror
336 eerror "Include in your bugreport the contents of:"
337 eerror
338 eerror " ${STDERR_TARGET}"
339 echo
340 die "Failed Running $1 !"
341 fi
342 }
343
344 # Internal function to check for support
345 autotools_check_macro() {
346 [[ -f configure.ac || -f configure.in ]] || return 0
347 local macro
348 for macro ; do
349 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
350 done
351 return 0
352 }
353
354 # Internal function to get additional subdirs to configure
355 autotools_get_subdirs() {
356 local subdirs_scan_out
357
358 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
359 [[ -n ${subdirs_scan_out} ]] || return 0
360
361 echo "${subdirs_scan_out}" | gawk \
362 '($0 !~ /^[[:space:]]*(#|dnl)/) {
363 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
364 print res[1]
365 }' | uniq
366
367 return 0
368 }
369
370 autotools_get_auxdir() {
371 local auxdir_scan_out
372
373 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
374 [[ -n ${auxdir_scan_out} ]] || return 0
375
376 echo ${auxdir_scan_out} | gawk \
377 '($0 !~ /^[[:space:]]*(#|dnl)/) {
378 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
379 print res[1]
380 }' | uniq
381
382 return 0
383 }
384
385 autotools_m4dir_include() {
386 [[ -n ${AT_M4DIR} ]] || return
387
388 local include_opts=
389
390 for x in ${AT_M4DIR} ; do
391 case "${x}" in
392 "-I")
393 # We handle it below
394 ;;
395 *)
396 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
397 include_opts="${include_opts} -I ${x}"
398 ;;
399 esac
400 done
401
402 echo $include_opts
403 }

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