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Revision 1.177 - (show annotations) (download)
Fri Jul 17 09:36:24 2015 UTC (13 days, 22 hours ago) by vapier
Branch: MAIN
CVS Tags: HEAD
Changes since 1.176: +2 -2 lines
update automake version to match stable ebuilds #553738

1 # Copyright 1999-2015 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.176 2015/06/03 04:06:08 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=( 1.15:1.15 )
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 if [[ ${WANT_AUTOCONF} = 2.1 ]] ; then
226 eautoconf
227 else
228 eautoconf --force
229 fi
230 eautoheader
231 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
232
233 if [[ ${AT_NOELIBTOOLIZE} != "yes" ]] ; then
234 # Call it here to prevent failures due to elibtoolize called _before_
235 # eautoreconf.
236 elibtoolize --force "${PWD}"
237 fi
238
239 return 0
240 }
241
242 # @FUNCTION: _at_uses_pkg
243 # @USAGE: <macros>
244 # @INTERNAL
245 # See if the specified macros are enabled.
246 _at_uses_pkg() {
247 if [[ -n $(autotools_check_macro "$@") ]] ; then
248 return 0
249 else
250 # If the trace didn't find it (perhaps because aclocal.m4 hasn't
251 # been generated yet), cheat, but be conservative.
252 local macro args=()
253 for macro ; do
254 args+=( -e "^[[:space:]]*${macro}\>" )
255 done
256 egrep -q "${args[@]}" configure.??
257 fi
258 }
259 _at_uses_autoheader() { _at_uses_pkg A{C,M}_CONFIG_HEADER{S,}; }
260 _at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
261 _at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
262 _at_uses_glibgettext() { _at_uses_pkg AM_GLIB_GNU_GETTEXT; }
263 _at_uses_intltool() { _at_uses_pkg {AC,IT}_PROG_INTLTOOL; }
264 _at_uses_gtkdoc() { _at_uses_pkg GTK_DOC_CHECK; }
265 _at_uses_gnomedoc() { _at_uses_pkg GNOME_DOC_INIT; }
266 _at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
267
268 # @FUNCTION: eaclocal_amflags
269 # @DESCRIPTION:
270 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
271 # (most) of the crazy crap that people throw at us.
272 eaclocal_amflags() {
273 local aclocal_opts amflags_file
274
275 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
276 [[ -e ${amflags_file} ]] || continue
277 # setup the env in case the pkg does something crazy
278 # in their ACLOCAL_AMFLAGS. like run a shell script
279 # which turns around and runs autotools. #365401
280 # or split across multiple lines. #383525
281 autotools_env_setup
282 aclocal_opts=$(sed -n \
283 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
284 # match the first line
285 s:[^=]*=::p; \
286 # then gobble up all escaped lines
287 : nextline /\\\\$/{ n; p; b nextline; } \
288 }" ${amflags_file})
289 eval aclocal_opts=\""${aclocal_opts}"\"
290 break
291 done
292
293 echo ${aclocal_opts}
294 }
295
296 # @FUNCTION: eaclocal
297 # @DESCRIPTION:
298 # These functions runs the autotools using autotools_run_tool with the
299 # specified parametes. The name of the tool run is the same of the function
300 # without e prefix.
301 # They also force installing the support files for safety.
302 # Respects AT_M4DIR for additional directories to search for macro's.
303 eaclocal() {
304 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
305 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
306 }
307
308 # @FUNCTION: _elibtoolize
309 # @DESCRIPTION:
310 # Runs libtoolize.
311 #
312 # Note the '_' prefix: avoid collision with elibtoolize() from libtool.eclass.
313 _elibtoolize() {
314 local LIBTOOLIZE=${LIBTOOLIZE:-$(type -P glibtoolize > /dev/null && echo glibtoolize || echo libtoolize)}
315
316 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
317
318 autotools_run_tool ${LIBTOOLIZE} "$@"
319 }
320
321 # @FUNCTION: eautoheader
322 # @DESCRIPTION:
323 # Runs autoheader.
324 eautoheader() {
325 _at_uses_autoheader || return 0
326 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
327 }
328
329 # @FUNCTION: eautoconf
330 # @DESCRIPTION:
331 # Runs autoconf.
332 eautoconf() {
333 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
334 echo
335 eerror "No configure.{ac,in} present in '${PWD}'!"
336 echo
337 die "No configure.{ac,in} present!"
338 fi
339 if [[ ${WANT_AUTOCONF} != "2.1" && -e configure.in ]] ; then
340 eqawarn "This package has a configure.in file which has long been deprecated. Please"
341 eqawarn "update it to use configure.ac instead as newer versions of autotools will die"
342 eqawarn "when it finds this file. See https://bugs.gentoo.org/426262 for details."
343 fi
344
345 autotools_run_tool --at-m4flags autoconf "$@"
346 }
347
348 # @FUNCTION: eautomake
349 # @DESCRIPTION:
350 # Runs automake.
351 eautomake() {
352 local extra_opts=()
353 local makefile_name
354
355 # Run automake if:
356 # - a Makefile.am type file exists
357 # - the configure script is using the AM_INIT_AUTOMAKE directive
358 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
359 [[ -f ${makefile_name} ]] && break
360 done
361
362 _automake_version() {
363 autotools_run_tool --at-output automake --version 2>/dev/null |
364 sed -n -e '1{s:.*(GNU automake) ::p;q}'
365 }
366
367 if [[ -z ${makefile_name} ]] ; then
368 _at_uses_automake || return 0
369
370 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
371 local used_automake
372 local installed_automake
373
374 installed_automake=$(WANT_AUTOMAKE= _automake_version)
375 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
376 sed -e 's:.*by automake \(.*\) from .*:\1:')
377
378 if [[ ${installed_automake} != ${used_automake} ]]; then
379 ewarn "Automake used for the package (${used_automake}) differs from" \
380 "the installed version (${installed_automake})."
381 ewarn "Forcing a full rebuild of the autotools to workaround."
382 eautoreconf
383 return 0
384 fi
385 fi
386
387 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
388 || extra_opts+=( --foreign )
389
390 # Older versions of automake do not support --force-missing. But we want
391 # to use this whenever possible to update random bundled files #133489.
392 case $(_automake_version) in
393 1.4|1.4[.-]*) ;;
394 *) extra_opts+=( --force-missing ) ;;
395 esac
396
397 autotools_run_tool automake --add-missing --copy "${extra_opts[@]}" "$@"
398 }
399
400 # @FUNCTION: eautopoint
401 # @DESCRIPTION:
402 # Runs autopoint (from the gettext package).
403 eautopoint() {
404 autotools_run_tool autopoint "$@"
405 }
406
407 # @FUNCTION: config_rpath_update
408 # @USAGE: [destination]
409 # @DESCRIPTION:
410 # Some packages utilize the config.rpath helper script, but don't
411 # use gettext directly. So we have to copy it in manually since
412 # we can't let `autopoint` do it for us.
413 config_rpath_update() {
414 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
415
416 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
417 [[ $# -eq 0 ]] && return 0
418
419 einfo "Updating all config.rpath files"
420 for dst in "$@" ; do
421 einfo " ${dst}"
422 cp "${src}" "${dst}" || die
423 done
424 }
425
426 # @FUNCTION: autotools_env_setup
427 # @INTERNAL
428 # @DESCRIPTION:
429 # Process the WANT_AUTO{CONF,MAKE} flags.
430 autotools_env_setup() {
431 # We do the "latest" → version switch here because it solves
432 # possible order problems, see bug #270010 as an example.
433 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
434 local pv
435 for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
436 # has_version respects ROOT, but in this case, we don't want it to,
437 # thus "ROOT=/" prefix:
438 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}"
439 done
440 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
441 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE[*]}"
442 fi
443 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
444 }
445
446 # @FUNCTION: autotools_run_tool
447 # @USAGE: [--at-no-fail] [--at-m4flags] [--at-missing] [--at-output] <autotool> [tool-specific flags]
448 # @INTERNAL
449 # @DESCRIPTION:
450 # Run the specified autotool helper, but do logging and error checking
451 # around it in the process.
452 autotools_run_tool() {
453 # Process our own internal flags first
454 local autofail=true m4flags=false missing_ok=false return_output=false
455 while [[ -n $1 ]] ; do
456 case $1 in
457 --at-no-fail) autofail=false;;
458 --at-m4flags) m4flags=true;;
459 --at-missing) missing_ok=true;;
460 --at-output) return_output=true;;
461 # whatever is left goes to the actual tool
462 *) break;;
463 esac
464 shift
465 done
466
467 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
468 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
469 fi
470
471 if ${missing_ok} && ! type -P ${1} >/dev/null ; then
472 einfo "Skipping '$*' due $1 not installed"
473 return 0
474 fi
475
476 autotools_env_setup
477
478 local STDERR_TARGET="${T}/$1.out"
479 # most of the time, there will only be one run, but if there are
480 # more, make sure we get unique log filenames
481 if [[ -e ${STDERR_TARGET} ]] ; then
482 local i=1
483 while :; do
484 STDERR_TARGET="${T}/$1-${i}.out"
485 [[ -e ${STDERR_TARGET} ]] || break
486 : $(( i++ ))
487 done
488 fi
489
490 if ${m4flags} ; then
491 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
492 fi
493
494 # If the caller wants to probe something, then let them do it directly.
495 if ${return_output} ; then
496 "$@"
497 return
498 fi
499
500 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
501
502 ebegin "Running $@"
503 "$@" >> "${STDERR_TARGET}" 2>&1
504 if ! eend $? && ${autofail} ; then
505 echo
506 eerror "Failed Running $1 !"
507 eerror
508 eerror "Include in your bugreport the contents of:"
509 eerror
510 eerror " ${STDERR_TARGET}"
511 echo
512 die "Failed Running $1 !"
513 fi
514 }
515
516 # Internal function to check for support
517
518 # Keep a list of all the macros we might use so that we only
519 # have to run the trace code once. Order doesn't matter.
520 ALL_AUTOTOOLS_MACROS=(
521 A{C,M}_PROG_LIBTOOL LT_INIT
522 A{C,M}_CONFIG_HEADER{S,}
523 AC_CONFIG_SUBDIRS
524 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
525 AM_INIT_AUTOMAKE
526 AM_GLIB_GNU_GETTEXT
527 AM_GNU_GETTEXT_VERSION
528 {AC,IT}_PROG_INTLTOOL
529 GTK_DOC_CHECK
530 GNOME_DOC_INIT
531 )
532 autotools_check_macro() {
533 [[ -f configure.ac || -f configure.in ]] || return 0
534
535 # We can run in multiple dirs, so we have to cache the trace
536 # data in $PWD rather than an env var.
537 local trace_file=".__autoconf_trace_data"
538 if [[ ! -e ${trace_file} ]] || [[ ! aclocal.m4 -ot ${trace_file} ]] ; then
539 WANT_AUTOCONF="2.5" autoconf \
540 $(autotools_m4dir_include) \
541 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
542 fi
543
544 local macro args=()
545 for macro ; do
546 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
547 args+=( -e ":${macro}:" )
548 done
549 grep "${args[@]}" ${trace_file}
550 }
551
552 # @FUNCTION: autotools_check_macro_val
553 # @USAGE: <macro> [macros]
554 # @INTERNAL
555 # @DESCRIPTION:
556 # Look for a macro and extract its value.
557 autotools_check_macro_val() {
558 local macro scan_out
559
560 for macro ; do
561 autotools_check_macro "${macro}" | \
562 gawk -v macro="${macro}" \
563 '($0 !~ /^[[:space:]]*(#|dnl)/) {
564 if (match($0, macro ":(.*)$", res))
565 print res[1]
566 }' | uniq
567 done
568
569 return 0
570 }
571
572 _autotools_m4dir_include() {
573 local x include_opts flag
574
575 # Use the right flag to autoconf based on the version #448986
576 [[ ${WANT_AUTOCONF} == "2.1" ]] \
577 && flag="l" \
578 || flag="I"
579
580 for x in "$@" ; do
581 case ${x} in
582 # We handle it below
583 -${flag}) ;;
584 *)
585 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
586 include_opts+=" -${flag} ${x}"
587 ;;
588 esac
589 done
590
591 echo ${include_opts}
592 }
593 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
594 autotools_m4sysdir_include() {
595 # First try to use the paths the system integrator has set up.
596 local paths=( $(eval echo ${AT_SYS_M4DIR}) )
597
598 if [[ ${#paths[@]} -eq 0 && -n ${SYSROOT} ]] ; then
599 # If they didn't give us anything, then default to the SYSROOT.
600 # This helps when cross-compiling.
601 local path="${SYSROOT}/usr/share/aclocal"
602 [[ -d ${path} ]] && paths+=( "${path}" )
603 fi
604 _autotools_m4dir_include "${paths[@]}"
605 }
606
607 fi

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