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Revision 1.170 - (show annotations) (download)
Fri Nov 21 09:17:07 2014 UTC (3 years, 2 months ago) by vapier
Branch: MAIN
Changes since 1.169: +12 -21 lines
drop parallel support for now until we can safely add locking on sub-steps #529404 by Alexander Tsoy

1 # Copyright 1999-2014 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.169 2014/11/15 07:50:02 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 # 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 [[ ${__AUTOTOOLS_AUTO_DEPEND+set} == "set" ]] ; then
17 # See if we were included already, but someone changed the value
18 # of AUTOTOOLS_AUTO_DEPEND on us. We could reload the entire
19 # eclass at that point, but that adds overhead, and it's trivial
20 # to re-order inherit in eclasses/ebuilds instead. #409611
21 if [[ ${__AUTOTOOLS_AUTO_DEPEND} != ${AUTOTOOLS_AUTO_DEPEND} ]] ; then
22 die "AUTOTOOLS_AUTO_DEPEND changed value between inherits; please inherit autotools.eclass first! ${__AUTOTOOLS_AUTO_DEPEND} -> ${AUTOTOOLS_AUTO_DEPEND}"
23 fi
24 fi
25
26 if [[ -z ${_AUTOTOOLS_ECLASS} ]]; then
27 _AUTOTOOLS_ECLASS=1
28
29 inherit libtool
30
31 # @ECLASS-VARIABLE: WANT_AUTOCONF
32 # @DESCRIPTION:
33 # The major version of autoconf your package needs
34 : ${WANT_AUTOCONF:=latest}
35
36 # @ECLASS-VARIABLE: WANT_AUTOMAKE
37 # @DESCRIPTION:
38 # The major version of automake your package needs
39 : ${WANT_AUTOMAKE:=latest}
40
41 # @ECLASS-VARIABLE: WANT_LIBTOOL
42 # @DESCRIPTION:
43 # Do you want libtool? Valid values here are "latest" and "none".
44 : ${WANT_LIBTOOL:=latest}
45
46 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
47 # @INTERNAL
48 # @DESCRIPTION:
49 # CONSTANT!
50 # The latest major version/slot of automake available on each arch. #312315
51 # We should list both the latest stable, and the latest unstable. #465732
52 # This way the stable builds will still work, but the unstable are allowed
53 # to build & test things for us ahead of time (if they have it installed).
54 # If a newer slot is stable on any arch, and is NOT reflected in this list,
55 # then circular dependencies may arise during emerge @system bootstraps.
56 # Do NOT change this variable in your ebuilds!
57 # If you want to force a newer minor version, you can specify the correct
58 # WANT value by using a colon: <PV>:<WANT_AUTOMAKE>
59 _LATEST_AUTOMAKE=( 1.13:1.13 1.14:1.14 )
60
61 _automake_atom="sys-devel/automake"
62 _autoconf_atom="sys-devel/autoconf"
63 if [[ -n ${WANT_AUTOMAKE} ]]; then
64 case ${WANT_AUTOMAKE} in
65 # Even if the package doesn't use automake, we still need to depend
66 # on it because we run aclocal to process m4 macros. This matches
67 # the autoreconf tool, so this requirement is correct. #401605
68 none) ;;
69 latest)
70 # Use SLOT deps if we can. For EAPI=0, we get pretty close.
71 if [[ ${EAPI:-0} != 0 ]] ; then
72 _automake_atom="|| ( `printf '>=sys-devel/automake-%s:%s ' ${_LATEST_AUTOMAKE[@]/:/ }` )"
73 else
74 _automake_atom="|| ( `printf '>=sys-devel/automake-%s ' ${_LATEST_AUTOMAKE[@]/%:*}` )"
75 fi
76 ;;
77 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
78 esac
79 export WANT_AUTOMAKE
80 fi
81
82 if [[ -n ${WANT_AUTOCONF} ]] ; then
83 case ${WANT_AUTOCONF} in
84 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
85 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
86 # if you change the "latest" version here, change also autotools_env_setup
87 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.69" ;;
88 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
89 esac
90 export WANT_AUTOCONF
91 fi
92
93 _libtool_atom=">=sys-devel/libtool-2.4"
94 if [[ -n ${WANT_LIBTOOL} ]] ; then
95 case ${WANT_LIBTOOL} in
96 none) _libtool_atom="" ;;
97 latest) ;;
98 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
99 esac
100 export WANT_LIBTOOL
101 fi
102
103 # Force people (nicely) to upgrade to a newer version of gettext as
104 # older ones are known to be crappy. #496454
105 AUTOTOOLS_DEPEND="!<sys-devel/gettext-0.18.1.1-r3
106 ${_automake_atom}
107 ${_autoconf_atom}
108 ${_libtool_atom}"
109 RDEPEND=""
110
111 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
112 # @DESCRIPTION:
113 # Set to 'no' to disable automatically adding to DEPEND. This lets
114 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
115 # their own DEPEND string.
116 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
117 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
118 DEPEND=${AUTOTOOLS_DEPEND}
119 fi
120 __AUTOTOOLS_AUTO_DEPEND=${AUTOTOOLS_AUTO_DEPEND} # See top of eclass
121
122 unset _automake_atom _autoconf_atom
123
124 # @ECLASS-VARIABLE: AM_OPTS
125 # @DEFAULT_UNSET
126 # @DESCRIPTION:
127 # Additional options to pass to automake during
128 # eautoreconf call.
129
130 # @ECLASS-VARIABLE: AT_NOEAUTOMAKE
131 # @DEFAULT_UNSET
132 # @DESCRIPTION:
133 # Don't run eautomake command if set to 'yes'; only used to workaround
134 # broken packages. Generally you should, instead, fix the package to
135 # not call AM_INIT_AUTOMAKE if it doesn't actually use automake.
136
137 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
138 # @DEFAULT_UNSET
139 # @DESCRIPTION:
140 # Don't run elibtoolize command if set to 'yes',
141 # useful when elibtoolize needs to be ran with
142 # particular options
143
144 # @ECLASS-VARIABLE: AT_M4DIR
145 # @DESCRIPTION:
146 # Additional director(y|ies) aclocal should search
147 : ${AT_M4DIR:=}
148
149 # @ECLASS-VARIABLE: AT_SYS_M4DIR
150 # @INTERNAL
151 # @DESCRIPTION:
152 # For system integrators, a list of additional aclocal search paths.
153 # This variable gets eval-ed, so you can use variables in the definition
154 # that may not be valid until eautoreconf & friends are run.
155 : ${AT_SYS_M4DIR:=}
156
157 # @FUNCTION: eautoreconf
158 # @DESCRIPTION:
159 # This function mimes the behavior of autoreconf, but uses the different
160 # eauto* functions to run the tools. It doesn't accept parameters, but
161 # the directory with include files can be specified with AT_M4DIR variable.
162 #
163 # Should do a full autoreconf - normally what most people will be interested in.
164 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
165 eautoreconf() {
166 local x g
167
168 # Subdirs often share a common build dir #529404. If so, we can't safely
169 # run in parallel because many tools clobber the content in there. Libtool
170 # and automake both `rm && cp` while aclocal reads the output. We might be
171 # able to handle this if we split the steps and grab locks on the dirs the
172 # tools actually write to. Then we'd run all the common tools that use
173 # those inputs. Doing this in bash does not scale easily.
174 # If we do re-enable parallel support, make sure #426512 is handled.
175 if [[ -z ${AT_NO_RECURSIVE} ]] ; then
176 # Take care of subdirs
177 for x in $(autotools_check_macro_val AC_CONFIG_SUBDIRS) ; do
178 if [[ -d ${x} ]] ; then
179 pushd "${x}" >/dev/null
180 # Avoid unsafe nested multijob_finish_one for bug #426512.
181 AT_NOELIBTOOLIZE="yes" eautoreconf || die
182 popd >/dev/null
183 fi
184 done
185 fi
186
187 einfo "Running eautoreconf in '${PWD}' ..."
188
189 local m4dirs=$(autotools_check_macro_val AC_CONFIG_{AUX,MACRO}_DIR)
190 [[ -n ${m4dirs} ]] && mkdir -p ${m4dirs}
191
192 # Run all the tools before aclocal so we can gather the .m4 files.
193 local i tools=(
194 # <tool> <was run> <command>
195 glibgettext false "autotools_run_tool glib-gettextize --copy --force"
196 gettext false "autotools_run_tool --at-missing autopoint --force"
197 # intltool must come after autopoint.
198 intltool false "autotools_run_tool intltoolize --automake --copy --force"
199 gtkdoc false "autotools_run_tool --at-missing gtkdocize --copy"
200 gnomedoc false "autotools_run_tool --at-missing gnome-doc-prepare --copy --force"
201 libtool false "_elibtoolize --install --copy --force"
202 )
203 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
204 if _at_uses_${tools[i]} ; then
205 tools[i+1]=true
206 ${tools[i+2]}
207 fi
208 done
209
210 # Generate aclocal.m4 with our up-to-date m4 files.
211 local rerun_aclocal=false
212 eaclocal
213
214 # Check to see if we had macros expanded by other macros or in other
215 # m4 files that we couldn't detect early. This is uncommon, but some
216 # packages do this, so we have to handle it correctly.
217 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
218 if ! ${tools[i+1]} && _at_uses_${tools[i]} ; then
219 ${tools[i+2]}
220 rerun_aclocal=true
221 fi
222 done
223 ${rerun_aclocal} && eaclocal
224
225 eautoconf
226 eautoheader
227 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
228
229 if [[ ${AT_NOELIBTOOLIZE} != "yes" ]] ; then
230 # Call it here to prevent failures due to elibtoolize called _before_
231 # eautoreconf.
232 elibtoolize --force "${PWD}"
233 fi
234
235 return 0
236 }
237
238 # @FUNCTION: _at_uses_pkg
239 # @USAGE: <macros>
240 # @INTERNAL
241 # See if the specified macros are enabled.
242 _at_uses_pkg() {
243 if [[ -n $(autotools_check_macro "$@") ]] ; then
244 return 0
245 else
246 # If the trace didn't find it (perhaps because aclocal.m4 hasn't
247 # been generated yet), cheat, but be conservative.
248 local macro args=()
249 for macro ; do
250 args+=( -e "^[[:space:]]*${macro}\>" )
251 done
252 egrep -q "${args[@]}" configure.??
253 fi
254 }
255 _at_uses_autoheader() { _at_uses_pkg A{C,M}_CONFIG_HEADER{S,}; }
256 _at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
257 _at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
258 _at_uses_glibgettext() { _at_uses_pkg AM_GLIB_GNU_GETTEXT; }
259 _at_uses_intltool() { _at_uses_pkg {AC,IT}_PROG_INTLTOOL; }
260 _at_uses_gtkdoc() { _at_uses_pkg GTK_DOC_CHECK; }
261 _at_uses_gnomedoc() { _at_uses_pkg GNOME_DOC_INIT; }
262 _at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
263
264 # @FUNCTION: eaclocal_amflags
265 # @DESCRIPTION:
266 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
267 # (most) of the crazy crap that people throw at us.
268 eaclocal_amflags() {
269 local aclocal_opts amflags_file
270
271 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
272 [[ -e ${amflags_file} ]] || continue
273 # setup the env in case the pkg does something crazy
274 # in their ACLOCAL_AMFLAGS. like run a shell script
275 # which turns around and runs autotools. #365401
276 # or split across multiple lines. #383525
277 autotools_env_setup
278 aclocal_opts=$(sed -n \
279 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
280 # match the first line
281 s:[^=]*=::p; \
282 # then gobble up all escaped lines
283 : nextline /\\\\$/{ n; p; b nextline; } \
284 }" ${amflags_file})
285 eval aclocal_opts=\""${aclocal_opts}"\"
286 break
287 done
288
289 echo ${aclocal_opts}
290 }
291
292 # @FUNCTION: eaclocal
293 # @DESCRIPTION:
294 # These functions runs the autotools using autotools_run_tool with the
295 # specified parametes. The name of the tool run is the same of the function
296 # without e prefix.
297 # They also force installing the support files for safety.
298 # Respects AT_M4DIR for additional directories to search for macro's.
299 eaclocal() {
300 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
301 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
302 }
303
304 # @FUNCTION: _elibtoolize
305 # @DESCRIPTION:
306 # Runs libtoolize.
307 #
308 # Note the '_' prefix: avoid collision with elibtoolize() from libtool.eclass.
309 _elibtoolize() {
310 local LIBTOOLIZE=${LIBTOOLIZE:-$(type -P glibtoolize > /dev/null && echo glibtoolize || echo libtoolize)}
311
312 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
313
314 autotools_run_tool ${LIBTOOLIZE} "$@"
315 }
316
317 # @FUNCTION: eautoheader
318 # @DESCRIPTION:
319 # Runs autoheader.
320 eautoheader() {
321 _at_uses_autoheader || return 0
322 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
323 }
324
325 # @FUNCTION: eautoconf
326 # @DESCRIPTION:
327 # Runs autoconf.
328 eautoconf() {
329 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
330 echo
331 eerror "No configure.{ac,in} present in '${PWD}'!"
332 echo
333 die "No configure.{ac,in} present!"
334 fi
335 if [[ -e configure.in ]] ; then
336 eqawarn "This package has a configure.in file which has long been deprecated. Please"
337 eqawarn "update it to use configure.ac instead as newer versions of autotools will die"
338 eqawarn "when it finds this file. See https://bugs.gentoo.org/426262 for details."
339 fi
340
341 autotools_run_tool --at-m4flags autoconf "$@"
342 }
343
344 # @FUNCTION: eautomake
345 # @DESCRIPTION:
346 # Runs automake.
347 eautomake() {
348 local extra_opts=()
349 local makefile_name
350
351 # Run automake if:
352 # - a Makefile.am type file exists
353 # - the configure script is using the AM_INIT_AUTOMAKE directive
354 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
355 [[ -f ${makefile_name} ]] && break
356 done
357
358 _automake_version() {
359 autotools_run_tool --at-output automake --version 2>/dev/null |
360 sed -n -e '1{s:.*(GNU automake) ::p;q}'
361 }
362
363 if [[ -z ${makefile_name} ]] ; then
364 _at_uses_automake || return 0
365
366 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
367 local used_automake
368 local installed_automake
369
370 installed_automake=$(WANT_AUTOMAKE= _automake_version)
371 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
372 sed -e 's:.*by automake \(.*\) from .*:\1:')
373
374 if [[ ${installed_automake} != ${used_automake} ]]; then
375 ewarn "Automake used for the package (${used_automake}) differs from" \
376 "the installed version (${installed_automake})."
377 ewarn "Forcing a full rebuild of the autotools to workaround."
378 eautoreconf
379 return 0
380 fi
381 fi
382
383 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
384 || extra_opts+=( --foreign )
385
386 # Older versions of automake do not support --force-missing. But we want
387 # to use this whenever possible to update random bundled files #133489.
388 case $(_automake_version) in
389 1.4|1.4[.-]*) ;;
390 *) extra_opts+=( --force-missing ) ;;
391 esac
392
393 autotools_run_tool automake --add-missing --copy "${extra_opts[@]}" "$@"
394 }
395
396 # @FUNCTION: eautopoint
397 # @DESCRIPTION:
398 # Runs autopoint (from the gettext package).
399 eautopoint() {
400 autotools_run_tool autopoint "$@"
401 }
402
403 # @FUNCTION: config_rpath_update
404 # @USAGE: [destination]
405 # @DESCRIPTION:
406 # Some packages utilize the config.rpath helper script, but don't
407 # use gettext directly. So we have to copy it in manually since
408 # we can't let `autopoint` do it for us.
409 config_rpath_update() {
410 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
411
412 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
413 [[ $# -eq 0 ]] && return 0
414
415 einfo "Updating all config.rpath files"
416 for dst in "$@" ; do
417 einfo " ${dst}"
418 cp "${src}" "${dst}" || die
419 done
420 }
421
422 # @FUNCTION: autotools_env_setup
423 # @INTERNAL
424 # @DESCRIPTION:
425 # Process the WANT_AUTO{CONF,MAKE} flags.
426 autotools_env_setup() {
427 # We do the "latest" → version switch here because it solves
428 # possible order problems, see bug #270010 as an example.
429 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
430 local pv
431 for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
432 # has_version respects ROOT, but in this case, we don't want it to,
433 # thus "ROOT=/" prefix:
434 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}"
435 done
436 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
437 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE[*]}"
438 fi
439 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
440 }
441
442 # @FUNCTION: autotools_run_tool
443 # @USAGE: [--at-no-fail] [--at-m4flags] [--at-missing] [--at-output] <autotool> [tool-specific flags]
444 # @INTERNAL
445 # @DESCRIPTION:
446 # Run the specified autotool helper, but do logging and error checking
447 # around it in the process.
448 autotools_run_tool() {
449 # Process our own internal flags first
450 local autofail=true m4flags=false missing_ok=false return_output=false
451 while [[ -n $1 ]] ; do
452 case $1 in
453 --at-no-fail) autofail=false;;
454 --at-m4flags) m4flags=true;;
455 --at-missing) missing_ok=true;;
456 --at-output) return_output=true;;
457 # whatever is left goes to the actual tool
458 *) break;;
459 esac
460 shift
461 done
462
463 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
464 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
465 fi
466
467 if ${missing_ok} && ! type -P ${1} >/dev/null ; then
468 einfo "Skipping '$*' due $1 not installed"
469 return 0
470 fi
471
472 autotools_env_setup
473
474 local STDERR_TARGET="${T}/$1.out"
475 # most of the time, there will only be one run, but if there are
476 # more, make sure we get unique log filenames
477 if [[ -e ${STDERR_TARGET} ]] ; then
478 local i=1
479 while :; do
480 STDERR_TARGET="${T}/$1-${i}.out"
481 [[ -e ${STDERR_TARGET} ]] || break
482 : $(( i++ ))
483 done
484 fi
485
486 if ${m4flags} ; then
487 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
488 fi
489
490 # If the caller wants to probe something, then let them do it directly.
491 if ${return_output} ; then
492 "$@"
493 return
494 fi
495
496 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
497
498 ebegin "Running $@"
499 "$@" >> "${STDERR_TARGET}" 2>&1
500 if ! eend $? && ${autofail} ; then
501 echo
502 eerror "Failed Running $1 !"
503 eerror
504 eerror "Include in your bugreport the contents of:"
505 eerror
506 eerror " ${STDERR_TARGET}"
507 echo
508 die "Failed Running $1 !"
509 fi
510 }
511
512 # Internal function to check for support
513
514 # Keep a list of all the macros we might use so that we only
515 # have to run the trace code once. Order doesn't matter.
516 ALL_AUTOTOOLS_MACROS=(
517 A{C,M}_PROG_LIBTOOL LT_INIT
518 A{C,M}_CONFIG_HEADER{S,}
519 AC_CONFIG_SUBDIRS
520 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
521 AM_INIT_AUTOMAKE
522 AM_GLIB_GNU_GETTEXT
523 AM_GNU_GETTEXT_VERSION
524 {AC,IT}_PROG_INTLTOOL
525 GTK_DOC_CHECK
526 GNOME_DOC_INIT
527 )
528 autotools_check_macro() {
529 [[ -f configure.ac || -f configure.in ]] || return 0
530
531 # We can run in multiple dirs, so we have to cache the trace
532 # data in $PWD rather than an env var.
533 local trace_file=".__autoconf_trace_data"
534 if [[ ! -e ${trace_file} ]] || [[ ! aclocal.m4 -ot ${trace_file} ]] ; then
535 WANT_AUTOCONF="2.5" autoconf \
536 $(autotools_m4dir_include) \
537 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
538 fi
539
540 local macro args=()
541 for macro ; do
542 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
543 args+=( -e ":${macro}:" )
544 done
545 grep "${args[@]}" ${trace_file}
546 }
547
548 # @FUNCTION: autotools_check_macro_val
549 # @USAGE: <macro> [macros]
550 # @INTERNAL
551 # @DESCRIPTION:
552 # Look for a macro and extract its value.
553 autotools_check_macro_val() {
554 local macro scan_out
555
556 for macro ; do
557 autotools_check_macro "${macro}" | \
558 gawk -v macro="${macro}" \
559 '($0 !~ /^[[:space:]]*(#|dnl)/) {
560 if (match($0, macro ":(.*)$", res))
561 print res[1]
562 }' | uniq
563 done
564
565 return 0
566 }
567
568 _autotools_m4dir_include() {
569 local x include_opts flag
570
571 # Use the right flag to autoconf based on the version #448986
572 [[ ${WANT_AUTOCONF} == "2.1" ]] \
573 && flag="l" \
574 || flag="I"
575
576 for x in "$@" ; do
577 case ${x} in
578 # We handle it below
579 -${flag}) ;;
580 *)
581 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
582 include_opts+=" -${flag} ${x}"
583 ;;
584 esac
585 done
586
587 echo ${include_opts}
588 }
589 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
590 autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
591
592 fi

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