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Revision 1.124 - (show annotations) (download)
Tue Mar 20 15:32:02 2012 UTC (2 years, 6 months ago) by ssuominen
Branch: MAIN
Changes since 1.123: +2 -2 lines
Revert for a minute.

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 1.123 2012/03/20 15:29:46 ssuominen 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.
41 # If a newer version 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 _LATEST_AUTOMAKE='1.11'
45
46 _automake_atom="sys-devel/automake"
47 _autoconf_atom="sys-devel/autoconf"
48 if [[ -n ${WANT_AUTOMAKE} ]]; then
49 case ${WANT_AUTOMAKE} in
50 none) _automake_atom="" ;; # some packages don't require automake at all
51 # if you change the "latest" version here, change also autotools_run_tool
52 # this MUST reflect the latest stable major version for each arch!
53 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
54 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
55 esac
56 export WANT_AUTOMAKE
57 fi
58
59 if [[ -n ${WANT_AUTOCONF} ]] ; then
60 case ${WANT_AUTOCONF} in
61 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
62 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
63 # if you change the "latest" version here, change also autotools_env_setup
64 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.68" ;;
65 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
66 esac
67 export WANT_AUTOCONF
68 fi
69
70 _libtool_atom="sys-devel/libtool"
71 if [[ -n ${WANT_LIBTOOL} ]] ; then
72 case ${WANT_LIBTOOL} in
73 none) _libtool_atom="" ;;
74 latest) ;;
75 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
76 esac
77 export WANT_LIBTOOL
78 fi
79
80 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
81 RDEPEND=""
82
83 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
84 # @DESCRIPTION:
85 # Set to 'no' to disable automatically adding to DEPEND. This lets
86 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
87 # their own DEPEND string.
88 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
89 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
90 DEPEND=${AUTOTOOLS_DEPEND}
91 fi
92
93 unset _automake_atom _autoconf_atom
94
95 # @ECLASS-VARIABLE: AM_OPTS
96 # @DEFAULT_UNSET
97 # @DESCRIPTION:
98 # Additional options to pass to automake during
99 # eautoreconf call.
100
101 # @ECLASS-VARIABLE: AT_NOEACLOCAL
102 # @DEFAULT_UNSET
103 # @DESCRIPTION:
104 # Don't run eaclocal command if set to 'yes',
105 # useful when eaclocal needs to be ran with
106 # particular options
107
108 # @ECLASS-VARIABLE: AT_NOEAUTOCONF
109 # @DEFAULT_UNSET
110 # @DESCRIPTION:
111 # Don't run eautoconf command if set to 'yes',
112 # useful when eautoconf needs to be ran with
113 # particular options
114
115 # @ECLASS-VARIABLE: AT_NOEAUTOMAKE
116 # @DEFAULT_UNSET
117 # @DESCRIPTION:
118 # Don't run eautomake command if set to 'yes',
119 # useful when eautomake needs to be ran with
120 # particular options
121
122 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
123 # @DEFAULT_UNSET
124 # @DESCRIPTION:
125 # Don't run elibtoolize command if set to 'yes',
126 # useful when elibtoolize needs to be ran with
127 # particular options
128
129 # @ECLASS-VARIABLE: AT_M4DIR
130 # @DESCRIPTION:
131 # Additional director(y|ies) aclocal should search
132 : ${AT_M4DIR:=}
133
134 # @ECLASS-VARIABLE: AT_SYS_M4DIR
135 # @INTERNAL
136 # @DESCRIPTION:
137 # For system integrators, a list of additional aclocal search paths.
138 # This variable gets eval-ed, so you can use variables in the definition
139 # that may not be valid until eautoreconf & friends are run.
140 : ${AT_SYS_M4DIR:=}
141
142 # @FUNCTION: eautoreconf
143 # @DESCRIPTION:
144 # This function mimes the behavior of autoreconf, but uses the different
145 # eauto* functions to run the tools. It doesn't accept parameters, but
146 # the directory with include files can be specified with AT_M4DIR variable.
147 #
148 # Should do a full autoreconf - normally what most people will be interested in.
149 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
150 eautoreconf() {
151 local x auxdir g
152
153 if [[ -z ${AT_NO_RECURSIVE} ]]; then
154 # Take care of subdirs
155 for x in $(autotools_get_subdirs); do
156 if [[ -d ${x} ]] ; then
157 pushd "${x}" >/dev/null
158 AT_NOELIBTOOLIZE="yes" eautoreconf
159 popd >/dev/null
160 fi
161 done
162 fi
163
164 auxdir=$(autotools_get_auxdir)
165
166 if [[ ${AT_NOEACLOCAL} != "yes" ]]; then
167 einfo "Running eautoreconf in '${PWD}' ..."
168 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
169 eaclocal
170 fi
171 [[ ${CHOST} == *-darwin* ]] && g=g
172 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
173 _elibtoolize --copy --force --install
174 else
175 _elibtoolize --copy --force
176 fi
177 [[ ${AT_NOEAUTOCONF} != "yes" ]] && eautoconf
178 [[ ${AT_NOEAUTOHEADER} != "yes" ]] && eautoheader
179 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
180
181 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
182
183 # Call it here to prevent failures due to elibtoolize called _before_
184 # eautoreconf. We set $S because elibtoolize runs on that #265319
185 S=${PWD} elibtoolize --force
186
187 return 0
188 }
189
190 # @FUNCTION: eaclocal_amflags
191 # @DESCRIPTION:
192 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
193 # (most) of the crazy crap that people throw at us.
194 eaclocal_amflags() {
195 local aclocal_opts amflags_file
196
197 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
198 [[ -e ${amflags_file} ]] || continue
199 # setup the env in case the pkg does something crazy
200 # in their ACLOCAL_AMFLAGS. like run a shell script
201 # which turns around and runs autotools. #365401
202 # or split across multiple lines. #383525
203 autotools_env_setup
204 aclocal_opts=$(sed -n \
205 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
206 # match the first line
207 s:[^=]*=::p; \
208 # then gobble up all escaped lines
209 : nextline /\\\\$/{ n; p; b nextline; } \
210 }" ${amflags_file})
211 eval aclocal_opts=\""${aclocal_opts}"\"
212 break
213 done
214
215 echo ${aclocal_opts}
216 }
217
218 # @FUNCTION: eaclocal
219 # @DESCRIPTION:
220 # These functions runs the autotools using autotools_run_tool with the
221 # specified parametes. The name of the tool run is the same of the function
222 # without e prefix.
223 # They also force installing the support files for safety.
224 # Respects AT_M4DIR for additional directories to search for macro's.
225 eaclocal() {
226 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
227 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
228 }
229
230 # @FUNCTION: _elibtoolize
231 # @DESCRIPTION:
232 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
233 # libtool.eclass.
234 _elibtoolize() {
235 local opts g=
236
237 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
238 # check for both it and the current AC_PROG_LIBTOOL)
239 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
240
241 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
242
243 [[ ${CHOST} == *-darwin* ]] && g=g
244 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
245
246 # Need to rerun aclocal
247 eaclocal
248 }
249
250 # @FUNCTION: eautoheader
251 # @DESCRIPTION:
252 # Runs autoheader.
253 eautoheader() {
254 # Check if we should run autoheader
255 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
256 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
257 }
258
259 # @FUNCTION: eautoconf
260 # @DESCRIPTION:
261 # Runs autoconf.
262 eautoconf() {
263 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
264 echo
265 eerror "No configure.{ac,in} present in '${PWD}'!"
266 echo
267 die "No configure.{ac,in} present!"
268 fi
269
270 autotools_run_tool --at-m4flags autoconf "$@"
271 }
272
273 # @FUNCTION: eautomake
274 # @DESCRIPTION:
275 # Runs automake.
276 eautomake() {
277 local extra_opts
278 local makefile_name
279
280 # Run automake if:
281 # - a Makefile.am type file exists
282 # - the configure script is using the AM_INIT_AUTOMAKE directive
283 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
284 [[ -f ${makefile_name} ]] && break
285 done
286
287 if [[ -z ${makefile_name} ]] ; then
288 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
289 return 0
290 fi
291
292 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
293 local used_automake
294 local installed_automake
295
296 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
297 sed -e 's:.*(GNU automake) ::')
298 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
299 sed -e 's:.*by automake \(.*\) from .*:\1:')
300
301 if [[ ${installed_automake} != ${used_automake} ]]; then
302 einfo "Automake used for the package (${used_automake}) differs from"
303 einfo "the installed version (${installed_automake})."
304 eautoreconf
305 return 0
306 fi
307 fi
308
309 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
310 || extra_opts="${extra_opts} --foreign"
311
312 # --force-missing seems not to be recognized by some flavours of automake
313 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
314 }
315
316 # @FUNCTION: eautopoint
317 # @DESCRIPTION:
318 # Runs autopoint (from the gettext package).
319 eautopoint() {
320 autotools_run_tool autopoint "$@"
321 }
322
323 # @FUNCTION: config_rpath_update
324 # @USAGE: [destination]
325 # @DESCRIPTION:
326 # Some packages utilize the config.rpath helper script, but don't
327 # use gettext directly. So we have to copy it in manually since
328 # we can't let `autopoint` do it for us.
329 config_rpath_update() {
330 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
331
332 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
333 [[ $# -eq 0 ]] && return 0
334
335 einfo "Updating all config.rpath files"
336 for dst in "$@" ; do
337 einfo " ${dst}"
338 cp "${src}" "${dst}" || die
339 done
340 }
341
342 # Internal function to run an autotools' tool
343 autotools_env_setup() {
344 # We do the "latest" → version switch here because it solves
345 # possible order problems, see bug #270010 as an example.
346 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
347 local pv
348 for pv in ${_LATEST_AUTOMAKE} ; do
349 # has_version respects ROOT, but in this case, we don't want it to,
350 # thus "ROOT=/" prefix:
351 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
352 done
353 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
354 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
355 fi
356 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
357 }
358 autotools_run_tool() {
359 # Process our own internal flags first
360 local autofail=true m4flags=false
361 while [[ -n $1 ]] ; do
362 case $1 in
363 --at-no-fail) autofail=false;;
364 --at-m4flags) m4flags=true;;
365 # whatever is left goes to the actual tool
366 *) break;;
367 esac
368 shift
369 done
370
371 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
372 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
373 fi
374
375 autotools_env_setup
376
377 local STDERR_TARGET="${T}/$1.out"
378 # most of the time, there will only be one run, but if there are
379 # more, make sure we get unique log filenames
380 if [[ -e ${STDERR_TARGET} ]] ; then
381 local i=1
382 while :; do
383 STDERR_TARGET="${T}/$1-${i}.out"
384 [[ -e ${STDERR_TARGET} ]] || break
385 : $(( i++ ))
386 done
387 fi
388
389 if ${m4flags} ; then
390 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
391 fi
392
393 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
394
395 ebegin "Running $@"
396 "$@" >> "${STDERR_TARGET}" 2>&1
397 if ! eend $? && ${autofail} ; then
398 echo
399 eerror "Failed Running $1 !"
400 eerror
401 eerror "Include in your bugreport the contents of:"
402 eerror
403 eerror " ${STDERR_TARGET}"
404 echo
405 die "Failed Running $1 !"
406 fi
407 }
408
409 # Internal function to check for support
410 autotools_check_macro() {
411 [[ -f configure.ac || -f configure.in ]] || return 0
412 local macro
413 for macro ; do
414 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
415 done
416 return 0
417 }
418
419 # Internal function to look for a macro and extract its value
420 autotools_check_macro_val() {
421 local macro=$1 scan_out
422
423 autotools_check_macro "${macro}" | \
424 gawk -v macro="${macro}" \
425 '($0 !~ /^[[:space:]]*(#|dnl)/) {
426 if (match($0, macro ":(.*)$", res))
427 print res[1]
428 }' | uniq
429
430 return 0
431 }
432
433 # Internal function to get additional subdirs to configure
434 autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
435 autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
436
437 _autotools_m4dir_include() {
438 local x include_opts
439
440 for x in "$@" ; do
441 case ${x} in
442 # We handle it below
443 -I) ;;
444 *)
445 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
446 include_opts+=" -I ${x}"
447 ;;
448 esac
449 done
450
451 echo ${include_opts}
452 }
453 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
454 autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
455
456 fi

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