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Revision 1.131 - (show annotations) (download)
Sun May 20 10:26:05 2012 UTC (2 years, 4 months ago) by vapier
Branch: MAIN
Changes since 1.130: +6 -4 lines
automatically create AC_CONFIG_MACRO_DIR dir too

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 1.130 2012/03/22 19:16:22 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 [[ ${___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_NOEAUTOMAKE
111 # @DEFAULT_UNSET
112 # @DESCRIPTION:
113 # Don't run eautomake command if set to 'yes'; only used to workaround
114 # broken packages. Generally you should, instead, fix the package to
115 # not call AM_INIT_AUTOMAKE if it doesn't actually use automake.
116
117 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
118 # @DEFAULT_UNSET
119 # @DESCRIPTION:
120 # Don't run elibtoolize command if set to 'yes',
121 # useful when elibtoolize needs to be ran with
122 # particular options
123
124 # @ECLASS-VARIABLE: AT_M4DIR
125 # @DESCRIPTION:
126 # Additional director(y|ies) aclocal should search
127 : ${AT_M4DIR:=}
128
129 # @ECLASS-VARIABLE: AT_SYS_M4DIR
130 # @INTERNAL
131 # @DESCRIPTION:
132 # For system integrators, a list of additional aclocal search paths.
133 # This variable gets eval-ed, so you can use variables in the definition
134 # that may not be valid until eautoreconf & friends are run.
135 : ${AT_SYS_M4DIR:=}
136
137 # @FUNCTION: eautoreconf
138 # @DESCRIPTION:
139 # This function mimes the behavior of autoreconf, but uses the different
140 # eauto* functions to run the tools. It doesn't accept parameters, but
141 # the directory with include files can be specified with AT_M4DIR variable.
142 #
143 # Should do a full autoreconf - normally what most people will be interested in.
144 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
145 eautoreconf() {
146 local x g
147
148 if [[ -z ${AT_NO_RECURSIVE} ]]; then
149 # Take care of subdirs
150 for x in $(autotools_get_subdirs); do
151 if [[ -d ${x} ]] ; then
152 pushd "${x}" >/dev/null
153 AT_NOELIBTOOLIZE="yes" eautoreconf
154 popd >/dev/null
155 fi
156 done
157 fi
158
159 local auxdir=$(autotools_get_auxdir)
160 local macdir=$(autotools_get_macrodir)
161
162 einfo "Running eautoreconf in '${PWD}' ..."
163 [[ -n ${auxdir}${macdir} ]] && mkdir -p ${auxdir} ${macdir}
164 eaclocal
165 [[ ${CHOST} == *-darwin* ]] && g=g
166 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
167 _elibtoolize --copy --force --install
168 else
169 _elibtoolize --copy --force
170 fi
171 eautoconf
172 eautoheader
173 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
174
175 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
176
177 # Call it here to prevent failures due to elibtoolize called _before_
178 # eautoreconf. We set $S because elibtoolize runs on that #265319
179 S=${PWD} elibtoolize --force
180
181 return 0
182 }
183
184 # @FUNCTION: eaclocal_amflags
185 # @DESCRIPTION:
186 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
187 # (most) of the crazy crap that people throw at us.
188 eaclocal_amflags() {
189 local aclocal_opts amflags_file
190
191 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
192 [[ -e ${amflags_file} ]] || continue
193 # setup the env in case the pkg does something crazy
194 # in their ACLOCAL_AMFLAGS. like run a shell script
195 # which turns around and runs autotools. #365401
196 # or split across multiple lines. #383525
197 autotools_env_setup
198 aclocal_opts=$(sed -n \
199 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
200 # match the first line
201 s:[^=]*=::p; \
202 # then gobble up all escaped lines
203 : nextline /\\\\$/{ n; p; b nextline; } \
204 }" ${amflags_file})
205 eval aclocal_opts=\""${aclocal_opts}"\"
206 break
207 done
208
209 echo ${aclocal_opts}
210 }
211
212 # @FUNCTION: eaclocal
213 # @DESCRIPTION:
214 # These functions runs the autotools using autotools_run_tool with the
215 # specified parametes. The name of the tool run is the same of the function
216 # without e prefix.
217 # They also force installing the support files for safety.
218 # Respects AT_M4DIR for additional directories to search for macro's.
219 eaclocal() {
220 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
221 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
222 }
223
224 # @FUNCTION: _elibtoolize
225 # @DESCRIPTION:
226 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
227 # libtool.eclass.
228 _elibtoolize() {
229 local opts g=
230
231 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
232 # check for both it and the current AC_PROG_LIBTOOL)
233 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
234
235 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
236
237 [[ ${CHOST} == *-darwin* ]] && g=g
238 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
239
240 # Need to rerun aclocal
241 eaclocal
242 }
243
244 # @FUNCTION: eautoheader
245 # @DESCRIPTION:
246 # Runs autoheader.
247 eautoheader() {
248 # Check if we should run autoheader
249 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
250 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
251 }
252
253 # @FUNCTION: eautoconf
254 # @DESCRIPTION:
255 # Runs autoconf.
256 eautoconf() {
257 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
258 echo
259 eerror "No configure.{ac,in} present in '${PWD}'!"
260 echo
261 die "No configure.{ac,in} present!"
262 fi
263
264 autotools_run_tool --at-m4flags autoconf "$@"
265 }
266
267 # @FUNCTION: eautomake
268 # @DESCRIPTION:
269 # Runs automake.
270 eautomake() {
271 local extra_opts
272 local makefile_name
273
274 # Run automake if:
275 # - a Makefile.am type file exists
276 # - the configure script is using the AM_INIT_AUTOMAKE directive
277 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
278 [[ -f ${makefile_name} ]] && break
279 done
280
281 if [[ -z ${makefile_name} ]] ; then
282 # Really we should just use autotools_check_macro ...
283 local am_init_automake=$(sed -n '/AM_INIT_AUTOMAKE/{s:#.*::;s:\<dnl\>.*::;p}' configure.??)
284 if [[ ${am_init_automake} != *"AM_INIT_AUTOMAKE"* ]] ; then
285 return 0
286 fi
287
288 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
289 local used_automake
290 local installed_automake
291
292 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
293 sed -e 's:.*(GNU automake) ::')
294 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
295 sed -e 's:.*by automake \(.*\) from .*:\1:')
296
297 if [[ ${installed_automake} != ${used_automake} ]]; then
298 einfo "Automake used for the package (${used_automake}) differs from"
299 einfo "the installed version (${installed_automake})."
300 eautoreconf
301 return 0
302 fi
303 fi
304
305 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
306 || extra_opts="${extra_opts} --foreign"
307
308 # --force-missing seems not to be recognized by some flavours of automake
309 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
310 }
311
312 # @FUNCTION: eautopoint
313 # @DESCRIPTION:
314 # Runs autopoint (from the gettext package).
315 eautopoint() {
316 autotools_run_tool autopoint "$@"
317 }
318
319 # @FUNCTION: config_rpath_update
320 # @USAGE: [destination]
321 # @DESCRIPTION:
322 # Some packages utilize the config.rpath helper script, but don't
323 # use gettext directly. So we have to copy it in manually since
324 # we can't let `autopoint` do it for us.
325 config_rpath_update() {
326 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
327
328 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
329 [[ $# -eq 0 ]] && return 0
330
331 einfo "Updating all config.rpath files"
332 for dst in "$@" ; do
333 einfo " ${dst}"
334 cp "${src}" "${dst}" || die
335 done
336 }
337
338 # Internal function to run an autotools' tool
339 autotools_env_setup() {
340 # We do the "latest" → version switch here because it solves
341 # possible order problems, see bug #270010 as an example.
342 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
343 local pv
344 for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
345 # has_version respects ROOT, but in this case, we don't want it to,
346 # thus "ROOT=/" prefix:
347 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}"
348 done
349 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
350 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
351 fi
352 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
353 }
354 autotools_run_tool() {
355 # Process our own internal flags first
356 local autofail=true m4flags=false
357 while [[ -n $1 ]] ; do
358 case $1 in
359 --at-no-fail) autofail=false;;
360 --at-m4flags) m4flags=true;;
361 # whatever is left goes to the actual tool
362 *) break;;
363 esac
364 shift
365 done
366
367 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
368 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
369 fi
370
371 autotools_env_setup
372
373 local STDERR_TARGET="${T}/$1.out"
374 # most of the time, there will only be one run, but if there are
375 # more, make sure we get unique log filenames
376 if [[ -e ${STDERR_TARGET} ]] ; then
377 local i=1
378 while :; do
379 STDERR_TARGET="${T}/$1-${i}.out"
380 [[ -e ${STDERR_TARGET} ]] || break
381 : $(( i++ ))
382 done
383 fi
384
385 if ${m4flags} ; then
386 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
387 fi
388
389 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
390
391 ebegin "Running $@"
392 "$@" >> "${STDERR_TARGET}" 2>&1
393 if ! eend $? && ${autofail} ; then
394 echo
395 eerror "Failed Running $1 !"
396 eerror
397 eerror "Include in your bugreport the contents of:"
398 eerror
399 eerror " ${STDERR_TARGET}"
400 echo
401 die "Failed Running $1 !"
402 fi
403 }
404
405 # Internal function to check for support
406 autotools_check_macro() {
407 [[ -f configure.ac || -f configure.in ]] || return 0
408 local macro
409 for macro ; do
410 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
411 done
412 return 0
413 }
414
415 # Internal function to look for a macro and extract its value
416 autotools_check_macro_val() {
417 local macro=$1 scan_out
418
419 autotools_check_macro "${macro}" | \
420 gawk -v macro="${macro}" \
421 '($0 !~ /^[[:space:]]*(#|dnl)/) {
422 if (match($0, macro ":(.*)$", res))
423 print res[1]
424 }' | uniq
425
426 return 0
427 }
428
429 # Internal function to get additional subdirs to configure
430 autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
431 autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
432 autotools_get_macrodir() { autotools_check_macro_val AC_CONFIG_MACRO_DIR ; }
433
434 _autotools_m4dir_include() {
435 local x include_opts
436
437 for x in "$@" ; do
438 case ${x} in
439 # We handle it below
440 -I) ;;
441 *)
442 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
443 include_opts+=" -I ${x}"
444 ;;
445 esac
446 done
447
448 echo ${include_opts}
449 }
450 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
451 autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
452
453 fi

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