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Revision 1.128 - (show annotations) (download)
Wed Mar 21 21:51:32 2012 UTC (2 years ago) by vapier
Branch: MAIN
Changes since 1.127: +17 -13 lines
restore functionality lost in previous commit

1 # Copyright 1999-2012 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.127 2012/03/21 17:12:01 flameeyes 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 # Note: We require GNU m4, as does autoconf. So feel free to use any features
14 # from the GNU version of m4 without worrying about other variants (i.e. BSD).
15
16 if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
17 ___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
18
19 inherit eutils libtool
20
21 # @ECLASS-VARIABLE: WANT_AUTOCONF
22 # @DESCRIPTION:
23 # The major version of autoconf your package needs
24 : ${WANT_AUTOCONF:=latest}
25
26 # @ECLASS-VARIABLE: WANT_AUTOMAKE
27 # @DESCRIPTION:
28 # The major version of automake your package needs
29 : ${WANT_AUTOMAKE:=latest}
30
31 # @ECLASS-VARIABLE: WANT_LIBTOOL
32 # @DESCRIPTION:
33 # Do you want libtool? Valid values here are "latest" and "none".
34 : ${WANT_LIBTOOL:=latest}
35
36 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
37 # @INTERNAL
38 # @DESCRIPTION:
39 # CONSTANT!
40 # The latest major version/slot of automake available on each arch. #312315
41 # If a newer slot is stable on any arch, and is NOT reflected in this list,
42 # then circular dependencies may arise during emerge @system bootstraps.
43 # Do NOT change this variable in your ebuilds!
44 # If you want to force a newer minor version, you can specify the correct
45 # WANT value by using a colon: <PV>[:<WANT_AUTOMAKE>]
46 _LATEST_AUTOMAKE=( 1.11.1:1.11 )
47
48 _automake_atom="sys-devel/automake"
49 _autoconf_atom="sys-devel/autoconf"
50 if [[ -n ${WANT_AUTOMAKE} ]]; then
51 case ${WANT_AUTOMAKE} in
52 none) _automake_atom="" ;; # some packages don't require automake at all
53 # if you change the "latest" version here, change also autotools_run_tool
54 # this MUST reflect the latest stable major version for each arch!
55 latest)
56 # Use SLOT deps if we can. For EAPI=0, we get pretty close.
57 if [[ ${EAPI:-0} != 0 ]] ; then
58 _automake_atom="|| ( `printf '>=sys-devel/automake-%s:%s ' ${_LATEST_AUTOMAKE[@]/:/ }` )"
59 else
60 _automake_atom="|| ( `printf '>=sys-devel/automake-%s ' ${_LATEST_AUTOMAKE[@]/%:*}` )"
61 fi
62 ;;
63 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
64 esac
65 export WANT_AUTOMAKE
66 fi
67
68 if [[ -n ${WANT_AUTOCONF} ]] ; then
69 case ${WANT_AUTOCONF} in
70 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
71 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
72 # if you change the "latest" version here, change also autotools_env_setup
73 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.68" ;;
74 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
75 esac
76 export WANT_AUTOCONF
77 fi
78
79 _libtool_atom="sys-devel/libtool"
80 if [[ -n ${WANT_LIBTOOL} ]] ; then
81 case ${WANT_LIBTOOL} in
82 none) _libtool_atom="" ;;
83 latest) ;;
84 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
85 esac
86 export WANT_LIBTOOL
87 fi
88
89 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
90 RDEPEND=""
91
92 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
93 # @DESCRIPTION:
94 # Set to 'no' to disable automatically adding to DEPEND. This lets
95 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
96 # their own DEPEND string.
97 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
98 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
99 DEPEND=${AUTOTOOLS_DEPEND}
100 fi
101
102 unset _automake_atom _autoconf_atom
103
104 # @ECLASS-VARIABLE: AM_OPTS
105 # @DEFAULT_UNSET
106 # @DESCRIPTION:
107 # Additional options to pass to automake during
108 # eautoreconf call.
109
110 # @ECLASS-VARIABLE: AT_NOEACLOCAL
111 # @DEFAULT_UNSET
112 # @DESCRIPTION:
113 # Don't run eaclocal command if set to 'yes',
114 # useful when eaclocal needs to be ran with
115 # particular options
116
117 # @ECLASS-VARIABLE: AT_NOEAUTOCONF
118 # @DEFAULT_UNSET
119 # @DESCRIPTION:
120 # Don't run eautoconf command if set to 'yes',
121 # useful when eautoconf needs to be ran with
122 # particular options
123
124 # @ECLASS-VARIABLE: AT_NOEAUTOMAKE
125 # @DEFAULT_UNSET
126 # @DESCRIPTION:
127 # Don't run eautomake command if set to 'yes',
128 # useful when eautomake needs to be ran with
129 # particular options
130
131 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
132 # @DEFAULT_UNSET
133 # @DESCRIPTION:
134 # Don't run elibtoolize command if set to 'yes',
135 # useful when elibtoolize needs to be ran with
136 # particular options
137
138 # @ECLASS-VARIABLE: AT_M4DIR
139 # @DESCRIPTION:
140 # Additional director(y|ies) aclocal should search
141 : ${AT_M4DIR:=}
142
143 # @ECLASS-VARIABLE: AT_SYS_M4DIR
144 # @INTERNAL
145 # @DESCRIPTION:
146 # For system integrators, a list of additional aclocal search paths.
147 # This variable gets eval-ed, so you can use variables in the definition
148 # that may not be valid until eautoreconf & friends are run.
149 : ${AT_SYS_M4DIR:=}
150
151 # @FUNCTION: eautoreconf
152 # @DESCRIPTION:
153 # This function mimes the behavior of autoreconf, but uses the different
154 # eauto* functions to run the tools. It doesn't accept parameters, but
155 # the directory with include files can be specified with AT_M4DIR variable.
156 #
157 # Should do a full autoreconf - normally what most people will be interested in.
158 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
159 eautoreconf() {
160 local x auxdir g
161
162 if [[ -z ${AT_NO_RECURSIVE} ]]; then
163 # Take care of subdirs
164 for x in $(autotools_get_subdirs); do
165 if [[ -d ${x} ]] ; then
166 pushd "${x}" >/dev/null
167 AT_NOELIBTOOLIZE="yes" eautoreconf
168 popd >/dev/null
169 fi
170 done
171 fi
172
173 auxdir=$(autotools_get_auxdir)
174
175 if [[ ${AT_NOEACLOCAL} != "yes" ]]; then
176 einfo "Running eautoreconf in '${PWD}' ..."
177 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
178 eaclocal
179 fi
180 [[ ${CHOST} == *-darwin* ]] && g=g
181 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
182 _elibtoolize --copy --force --install
183 else
184 _elibtoolize --copy --force
185 fi
186 [[ ${AT_NOEAUTOCONF} != "yes" ]] && eautoconf
187 [[ ${AT_NOEAUTOHEADER} != "yes" ]] && eautoheader
188 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
189
190 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
191
192 # Call it here to prevent failures due to elibtoolize called _before_
193 # eautoreconf. We set $S because elibtoolize runs on that #265319
194 S=${PWD} elibtoolize --force
195
196 return 0
197 }
198
199 # @FUNCTION: eaclocal_amflags
200 # @DESCRIPTION:
201 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
202 # (most) of the crazy crap that people throw at us.
203 eaclocal_amflags() {
204 local aclocal_opts amflags_file
205
206 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
207 [[ -e ${amflags_file} ]] || continue
208 # setup the env in case the pkg does something crazy
209 # in their ACLOCAL_AMFLAGS. like run a shell script
210 # which turns around and runs autotools. #365401
211 # or split across multiple lines. #383525
212 autotools_env_setup
213 aclocal_opts=$(sed -n \
214 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
215 # match the first line
216 s:[^=]*=::p; \
217 # then gobble up all escaped lines
218 : nextline /\\\\$/{ n; p; b nextline; } \
219 }" ${amflags_file})
220 eval aclocal_opts=\""${aclocal_opts}"\"
221 break
222 done
223
224 echo ${aclocal_opts}
225 }
226
227 # @FUNCTION: eaclocal
228 # @DESCRIPTION:
229 # These functions runs the autotools using autotools_run_tool with the
230 # specified parametes. The name of the tool run is the same of the function
231 # without e prefix.
232 # They also force installing the support files for safety.
233 # Respects AT_M4DIR for additional directories to search for macro's.
234 eaclocal() {
235 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
236 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
237 }
238
239 # @FUNCTION: _elibtoolize
240 # @DESCRIPTION:
241 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
242 # libtool.eclass.
243 _elibtoolize() {
244 local opts g=
245
246 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
247 # check for both it and the current AC_PROG_LIBTOOL)
248 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
249
250 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
251
252 [[ ${CHOST} == *-darwin* ]] && g=g
253 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
254
255 # Need to rerun aclocal
256 eaclocal
257 }
258
259 # @FUNCTION: eautoheader
260 # @DESCRIPTION:
261 # Runs autoheader.
262 eautoheader() {
263 # Check if we should run autoheader
264 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
265 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
266 }
267
268 # @FUNCTION: eautoconf
269 # @DESCRIPTION:
270 # Runs autoconf.
271 eautoconf() {
272 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
273 echo
274 eerror "No configure.{ac,in} present in '${PWD}'!"
275 echo
276 die "No configure.{ac,in} present!"
277 fi
278
279 autotools_run_tool --at-m4flags autoconf "$@"
280 }
281
282 # @FUNCTION: eautomake
283 # @DESCRIPTION:
284 # Runs automake.
285 eautomake() {
286 local extra_opts
287 local makefile_name
288
289 # Run automake if:
290 # - a Makefile.am type file exists
291 # - the configure script is using the AM_INIT_AUTOMAKE directive
292 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
293 [[ -f ${makefile_name} ]] && break
294 done
295
296 if [[ -z ${makefile_name} ]] ; then
297 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
298 return 0
299 fi
300
301 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
302 local used_automake
303 local installed_automake
304
305 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
306 sed -e 's:.*(GNU automake) ::')
307 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
308 sed -e 's:.*by automake \(.*\) from .*:\1:')
309
310 if [[ ${installed_automake} != ${used_automake} ]]; then
311 einfo "Automake used for the package (${used_automake}) differs from"
312 einfo "the installed version (${installed_automake})."
313 eautoreconf
314 return 0
315 fi
316 fi
317
318 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
319 || extra_opts="${extra_opts} --foreign"
320
321 # --force-missing seems not to be recognized by some flavours of automake
322 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
323 }
324
325 # @FUNCTION: eautopoint
326 # @DESCRIPTION:
327 # Runs autopoint (from the gettext package).
328 eautopoint() {
329 autotools_run_tool autopoint "$@"
330 }
331
332 # @FUNCTION: config_rpath_update
333 # @USAGE: [destination]
334 # @DESCRIPTION:
335 # Some packages utilize the config.rpath helper script, but don't
336 # use gettext directly. So we have to copy it in manually since
337 # we can't let `autopoint` do it for us.
338 config_rpath_update() {
339 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
340
341 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
342 [[ $# -eq 0 ]] && return 0
343
344 einfo "Updating all config.rpath files"
345 for dst in "$@" ; do
346 einfo " ${dst}"
347 cp "${src}" "${dst}" || die
348 done
349 }
350
351 # Internal function to run an autotools' tool
352 autotools_env_setup() {
353 # We do the "latest" → version switch here because it solves
354 # possible order problems, see bug #270010 as an example.
355 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
356 local pv
357 for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
358 # has_version respects ROOT, but in this case, we don't want it to,
359 # thus "ROOT=/" prefix:
360 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}"
361 done
362 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
363 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
364 fi
365 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
366 }
367 autotools_run_tool() {
368 # Process our own internal flags first
369 local autofail=true m4flags=false
370 while [[ -n $1 ]] ; do
371 case $1 in
372 --at-no-fail) autofail=false;;
373 --at-m4flags) m4flags=true;;
374 # whatever is left goes to the actual tool
375 *) break;;
376 esac
377 shift
378 done
379
380 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
381 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
382 fi
383
384 autotools_env_setup
385
386 local STDERR_TARGET="${T}/$1.out"
387 # most of the time, there will only be one run, but if there are
388 # more, make sure we get unique log filenames
389 if [[ -e ${STDERR_TARGET} ]] ; then
390 local i=1
391 while :; do
392 STDERR_TARGET="${T}/$1-${i}.out"
393 [[ -e ${STDERR_TARGET} ]] || break
394 : $(( i++ ))
395 done
396 fi
397
398 if ${m4flags} ; then
399 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
400 fi
401
402 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
403
404 ebegin "Running $@"
405 "$@" >> "${STDERR_TARGET}" 2>&1
406 if ! eend $? && ${autofail} ; then
407 echo
408 eerror "Failed Running $1 !"
409 eerror
410 eerror "Include in your bugreport the contents of:"
411 eerror
412 eerror " ${STDERR_TARGET}"
413 echo
414 die "Failed Running $1 !"
415 fi
416 }
417
418 # Internal function to check for support
419 autotools_check_macro() {
420 [[ -f configure.ac || -f configure.in ]] || return 0
421 local macro
422 for macro ; do
423 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
424 done
425 return 0
426 }
427
428 # Internal function to look for a macro and extract its value
429 autotools_check_macro_val() {
430 local macro=$1 scan_out
431
432 autotools_check_macro "${macro}" | \
433 gawk -v macro="${macro}" \
434 '($0 !~ /^[[:space:]]*(#|dnl)/) {
435 if (match($0, macro ":(.*)$", res))
436 print res[1]
437 }' | uniq
438
439 return 0
440 }
441
442 # Internal function to get additional subdirs to configure
443 autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
444 autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
445
446 _autotools_m4dir_include() {
447 local x include_opts
448
449 for x in "$@" ; do
450 case ${x} in
451 # We handle it below
452 -I) ;;
453 *)
454 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
455 include_opts+=" -I ${x}"
456 ;;
457 esac
458 done
459
460 echo ${include_opts}
461 }
462 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
463 autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
464
465 fi

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