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Revision 1.118 - (show annotations) (download)
Fri Jan 6 21:06:17 2012 UTC (2 years, 3 months ago) by vapier
Branch: MAIN
Changes since 1.117: +20 -1 lines
add a helper for updating config.rpath files for projects that dont use gettext

1 # Copyright 1999-2011 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.117 2012/01/04 22:00:27 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.
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_run_tool
64 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
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_NOELIBTOOLIZE
102 # @DEFAULT_UNSET
103 # @DESCRIPTION:
104 # Don't run elibtoolize command if set to 'yes',
105 # useful when elibtoolize needs to be ran with
106 # particular options
107
108 # @ECLASS-VARIABLE: AT_M4DIR
109 # @DESCRIPTION:
110 # Additional director(y|ies) aclocal should search
111 : ${AT_M4DIR:=}
112
113 # @ECLASS-VARIABLE: AT_SYS_M4DIR
114 # @INTERNAL
115 # @DESCRIPTION:
116 # For system integrators, a list of additional aclocal search paths.
117 # This variable gets eval-ed, so you can use variables in the definition
118 # that may not be valid until eautoreconf & friends are run.
119 : ${AT_SYS_M4DIR:=}
120
121 # @FUNCTION: eautoreconf
122 # @DESCRIPTION:
123 # This function mimes the behavior of autoreconf, but uses the different
124 # eauto* functions to run the tools. It doesn't accept parameters, but
125 # the directory with include files can be specified with AT_M4DIR variable.
126 #
127 # Should do a full autoreconf - normally what most people will be interested in.
128 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
129 eautoreconf() {
130 local x auxdir g
131
132 if [[ -z ${AT_NO_RECURSIVE} ]]; then
133 # Take care of subdirs
134 for x in $(autotools_get_subdirs); do
135 if [[ -d ${x} ]] ; then
136 pushd "${x}" >/dev/null
137 AT_NOELIBTOOLIZE="yes" eautoreconf
138 popd >/dev/null
139 fi
140 done
141 fi
142
143 auxdir=$(autotools_get_auxdir)
144
145 einfo "Running eautoreconf in '${PWD}' ..."
146 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
147 eaclocal
148 [[ ${CHOST} == *-darwin* ]] && g=g
149 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
150 _elibtoolize --copy --force --install
151 else
152 _elibtoolize --copy --force
153 fi
154 eautoconf
155 eautoheader
156 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
157
158 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
159
160 # Call it here to prevent failures due to elibtoolize called _before_
161 # eautoreconf. We set $S because elibtoolize runs on that #265319
162 S=${PWD} elibtoolize --force
163
164 return 0
165 }
166
167 # @FUNCTION: eaclocal_amflags
168 # @DESCRIPTION:
169 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
170 # (most) of the crazy crap that people throw at us.
171 eaclocal_amflags() {
172 local aclocal_opts amflags_file
173
174 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
175 [[ -e ${amflags_file} ]] || continue
176 # setup the env in case the pkg does something crazy
177 # in their ACLOCAL_AMFLAGS. like run a shell script
178 # which turns around and runs autotools. #365401
179 # or split across multiple lines. #383525
180 autotools_env_setup
181 aclocal_opts=$(sed -n \
182 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
183 # match the first line
184 s:[^=]*=::p; \
185 # then gobble up all escaped lines
186 : nextline /\\\\$/{ n; p; b nextline; } \
187 }" ${amflags_file})
188 eval aclocal_opts=\""${aclocal_opts}"\"
189 break
190 done
191
192 echo ${aclocal_opts}
193 }
194
195 # @FUNCTION: eaclocal
196 # @DESCRIPTION:
197 # These functions runs the autotools using autotools_run_tool with the
198 # specified parametes. The name of the tool run is the same of the function
199 # without e prefix.
200 # They also force installing the support files for safety.
201 # Respects AT_M4DIR for additional directories to search for macro's.
202 eaclocal() {
203 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
204 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
205 }
206
207 # @FUNCTION: _elibtoolize
208 # @DESCRIPTION:
209 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
210 # libtool.eclass.
211 _elibtoolize() {
212 local opts g=
213
214 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
215 # check for both it and the current AC_PROG_LIBTOOL)
216 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
217
218 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
219
220 [[ ${CHOST} == *-darwin* ]] && g=g
221 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
222
223 # Need to rerun aclocal
224 eaclocal
225 }
226
227 # @FUNCTION: eautoheader
228 # @DESCRIPTION:
229 # Runs autoheader.
230 eautoheader() {
231 # Check if we should run autoheader
232 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
233 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
234 }
235
236 # @FUNCTION: eautoconf
237 # @DESCRIPTION:
238 # Runs autoconf.
239 eautoconf() {
240 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
241 echo
242 eerror "No configure.{ac,in} present in '${PWD}'!"
243 echo
244 die "No configure.{ac,in} present!"
245 fi
246
247 autotools_run_tool --at-m4flags autoconf "$@"
248 }
249
250 # @FUNCTION: eautomake
251 # @DESCRIPTION:
252 # Runs automake.
253 eautomake() {
254 local extra_opts
255 local makefile_name
256
257 # Run automake if:
258 # - a Makefile.am type file exists
259 # - the configure script is using the AM_INIT_AUTOMAKE directive
260 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
261 [[ -f ${makefile_name} ]] && break
262 done
263
264 if [[ -z ${makefile_name} ]] ; then
265 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
266 return 0
267 fi
268
269 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
270 local used_automake
271 local installed_automake
272
273 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
274 sed -e 's:.*(GNU automake) ::')
275 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
276 sed -e 's:.*by automake \(.*\) from .*:\1:')
277
278 if [[ ${installed_automake} != ${used_automake} ]]; then
279 einfo "Automake used for the package (${used_automake}) differs from"
280 einfo "the installed version (${installed_automake})."
281 eautoreconf
282 return 0
283 fi
284 fi
285
286 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
287 || extra_opts="${extra_opts} --foreign"
288
289 # --force-missing seems not to be recognized by some flavours of automake
290 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
291 }
292
293 # @FUNCTION: eautopoint
294 # @DESCRIPTION:
295 # Runs autopoint (from the gettext package).
296 eautopoint() {
297 autotools_run_tool autopoint "$@"
298 }
299
300 # @FUNCTION: config_rpath_update
301 # @USAGE: [destination]
302 # @DESCRIPTION:
303 # Some packages utilize the config.rpath helper script, but don't
304 # use gettext directly. So we have to copy it in manually since
305 # we can't let `autopoint` do it for us.
306 config_rpath_update() {
307 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
308
309 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
310 [[ $# -eq 0 ]] && return 0
311
312 einfo "Updating all config.rpath files"
313 for dst in "$@" ; do
314 einfo " ${dst}"
315 cp "${src}" "${dst}" || die
316 done
317 }
318
319 # Internal function to run an autotools' tool
320 autotools_env_setup() {
321 # We do the “latest” → version switch here because it solves
322 # possible order problems, see bug #270010 as an example.
323 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
324 local pv
325 for pv in ${_LATEST_AUTOMAKE} ; do
326 # has_version respects ROOT, but in this case, we don't want it to,
327 # thus "ROOT=/" prefix:
328 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
329 done
330 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
331 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
332 fi
333 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
334 }
335 autotools_run_tool() {
336 # Process our own internal flags first
337 local autofail=true m4flags=false
338 while [[ -n $1 ]] ; do
339 case $1 in
340 --at-no-fail) autofail=false;;
341 --at-m4flags) m4flags=true;;
342 # whatever is left goes to the actual tool
343 *) break;;
344 esac
345 shift
346 done
347
348 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
349 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
350 fi
351
352 autotools_env_setup
353
354 local STDERR_TARGET="${T}/$1.out"
355 # most of the time, there will only be one run, but if there are
356 # more, make sure we get unique log filenames
357 if [[ -e ${STDERR_TARGET} ]] ; then
358 local i=1
359 while :; do
360 STDERR_TARGET="${T}/$1-${i}.out"
361 [[ -e ${STDERR_TARGET} ]] || break
362 : $(( i++ ))
363 done
364 fi
365
366 if ${m4flags} ; then
367 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
368 fi
369
370 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
371
372 ebegin "Running $@"
373 "$@" >> "${STDERR_TARGET}" 2>&1
374 if ! eend $? && ${autofail} ; then
375 echo
376 eerror "Failed Running $1 !"
377 eerror
378 eerror "Include in your bugreport the contents of:"
379 eerror
380 eerror " ${STDERR_TARGET}"
381 echo
382 die "Failed Running $1 !"
383 fi
384 }
385
386 # Internal function to check for support
387 autotools_check_macro() {
388 [[ -f configure.ac || -f configure.in ]] || return 0
389 local macro
390 for macro ; do
391 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
392 done
393 return 0
394 }
395
396 # Internal function to look for a macro and extract its value
397 autotools_check_macro_val() {
398 local macro=$1 scan_out
399
400 autotools_check_macro "${macro}" | \
401 gawk -v macro="${macro}" \
402 '($0 !~ /^[[:space:]]*(#|dnl)/) {
403 if (match($0, macro ":(.*)$", res))
404 print res[1]
405 }' | uniq
406
407 return 0
408 }
409
410 # Internal function to get additional subdirs to configure
411 autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
412 autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
413
414 _autotools_m4dir_include() {
415 local x include_opts
416
417 for x in "$@" ; do
418 case ${x} in
419 # We handle it below
420 -I) ;;
421 *)
422 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
423 include_opts+=" -I ${x}"
424 ;;
425 esac
426 done
427
428 echo ${include_opts}
429 }
430 autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
431 autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
432
433 fi

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