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Revision 1.102 - (show annotations) (download)
Wed Apr 6 03:52:08 2011 UTC (3 years, 7 months ago) by flameeyes
Branch: MAIN
Changes since 1.101: +25 -19 lines
Make sure to use AT_M4DIR values for autoheader and autoconf calls as well.

This is required to re-build autotools on app-admin/sudo-1.8*

1 # Copyright 1999-2010 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.101 2010/08/21 19:39:52 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 # NB: If you add anything, please comment it!
14
15 inherit eutils libtool
16
17 # @ECLASS-VARIABLE: WANT_AUTOCONF
18 # @DESCRIPTION:
19 # The major version of autoconf your package needs
20 : ${WANT_AUTOCONF:=latest}
21
22 # @ECLASS-VARIABLE: WANT_AUTOMAKE
23 # @DESCRIPTION:
24 # The major version of automake your package needs
25 : ${WANT_AUTOMAKE:=latest}
26
27 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
28 # @INTERNAL
29 # @DESCRIPTION:
30 # CONSTANT!
31 # The latest major version/slot of automake available on each arch.
32 # If a newer version is stable on any arch, and is NOT reflected in this list,
33 # then circular dependencies may arise during emerge @system bootstraps.
34 # Do NOT change this variable in your ebuilds!
35 _LATEST_AUTOMAKE='1.11'
36
37 _automake_atom="sys-devel/automake"
38 _autoconf_atom="sys-devel/autoconf"
39 if [[ -n ${WANT_AUTOMAKE} ]]; then
40 case ${WANT_AUTOMAKE} in
41 none) _automake_atom="" ;; # some packages don't require automake at all
42 # if you change the "latest" version here, change also autotools_run_tool
43 # this MUST reflect the latest stable major version for each arch!
44 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
45 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
46 esac
47 export WANT_AUTOMAKE
48 fi
49
50 if [[ -n ${WANT_AUTOCONF} ]] ; then
51 case ${WANT_AUTOCONF} in
52 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
53 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
54 # if you change the “latest” version here, change also autotools_run_tool
55 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
56 *) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
57 esac
58 export WANT_AUTOCONF
59 fi
60
61 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom}"
62 [[ ${CATEGORY}/${PN} != "sys-devel/libtool" ]] && AUTOTOOLS_DEPEND="${AUTOTOOLS_DEPEND} >=sys-devel/libtool-2.2.6b"
63 RDEPEND=""
64
65 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
66 # @DESCRIPTION:
67 # Set to 'no' to disable automatically adding to DEPEND. This lets
68 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
69 # their own DEPEND string.
70 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
71 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
72 DEPEND=${AUTOTOOLS_DEPEND}
73 fi
74
75 unset _automake_atom _autoconf_atom
76
77 # @ECLASS-VARIABLE: AM_OPTS
78 # @DEFAULT_UNSET
79 # @DESCRIPTION:
80 # Additional options to pass to automake during
81 # eautoreconf call.
82
83 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
84 # @DEFAULT_UNSET
85 # @DESCRIPTION:
86 # Don't run elibtoolize command if set to 'yes',
87 # useful when elibtoolize needs to be ran with
88 # particular options
89
90 # XXX: M4DIR should be deprecated
91 # @ECLASS-VARIABLE: AT_M4DIR
92 # @DESCRIPTION:
93 # Additional director(y|ies) aclocal should search
94 : ${AT_M4DIR:=${M4DIR}}
95
96 # @FUNCTION: eautoreconf
97 # @DESCRIPTION:
98 # This function mimes the behavior of autoreconf, but uses the different
99 # eauto* functions to run the tools. It doesn't accept parameters, but
100 # the directory with include files can be specified with AT_M4DIR variable.
101 #
102 # Should do a full autoreconf - normally what most people will be interested in.
103 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
104 eautoreconf() {
105 local x auxdir g
106
107 if [[ -z ${AT_NO_RECURSIVE} ]]; then
108 # Take care of subdirs
109 for x in $(autotools_get_subdirs); do
110 if [[ -d ${x} ]] ; then
111 pushd "${x}" >/dev/null
112 AT_NOELIBTOOLIZE="yes" eautoreconf
113 popd >/dev/null
114 fi
115 done
116 fi
117
118 auxdir=$(autotools_get_auxdir)
119
120 einfo "Running eautoreconf in '${PWD}' ..."
121 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
122 eaclocal
123 [[ ${CHOST} == *-darwin* ]] && g=g
124 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
125 _elibtoolize --copy --force --install
126 else
127 _elibtoolize --copy --force
128 fi
129 eautoconf
130 eautoheader
131 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
132
133 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
134
135 # Call it here to prevent failures due to elibtoolize called _before_
136 # eautoreconf. We set $S because elibtoolize runs on that #265319
137 S=${PWD} elibtoolize
138
139 return 0
140 }
141
142 # @FUNCTION: eaclocal
143 # @DESCRIPTION:
144 # These functions runs the autotools using autotools_run_tool with the
145 # specified parametes. The name of the tool run is the same of the function
146 # without e prefix.
147 # They also force installing the support files for safety.
148 # Respects AT_M4DIR for additional directories to search for macro's.
149 eaclocal() {
150 local aclocal_opts
151
152 local amflags_file
153 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
154 [[ -e ${amflags_file} ]] || continue
155 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
156 eval aclocal_opts=\"${aclocal_opts}\"
157 break
158 done
159
160 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
161 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" ${aclocal_opts}
162 }
163
164 # @FUNCTION: _elibtoolize
165 # @DESCRIPTION:
166 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
167 # libtool.eclass.
168 _elibtoolize() {
169 local opts g=
170
171 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
172 # check for both it and the current AC_PROG_LIBTOOL)
173 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
174
175 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
176
177 [[ ${CHOST} == *-darwin* ]] && g=g
178 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
179
180 # Need to rerun aclocal
181 eaclocal
182 }
183
184 # @FUNCTION: eautoheader
185 # @DESCRIPTION:
186 # Runs autoheader.
187 eautoheader() {
188 # Check if we should run autoheader
189 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
190 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
191 }
192
193 # @FUNCTION: eautoconf
194 # @DESCRIPTION:
195 # Runs autoconf.
196 eautoconf() {
197 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
198 echo
199 eerror "No configure.{ac,in} present in '${PWD}'!"
200 echo
201 die "No configure.{ac,in} present!"
202 fi
203
204 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
205 }
206
207 # @FUNCTION: eautomake
208 # @DESCRIPTION:
209 # Runs automake.
210 eautomake() {
211 local extra_opts
212 local makefile_name
213
214 # Run automake if:
215 # - a Makefile.am type file exists
216 # - a Makefile.in type file exists and the configure
217 # script is using the AM_INIT_AUTOMAKE directive
218 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
219 [[ -f ${makefile_name} ]] && break
220 done
221 [[ -z ${makefile_name} ]] && return 0
222
223 if [[ ${makefile_name} == *.in ]] ; then
224 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
225 return 0
226 fi
227
228 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
229 local used_automake
230 local installed_automake
231
232 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
233 sed -e 's:.*(GNU automake) ::')
234 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
235 sed -e 's:.*by automake \(.*\) from .*:\1:')
236
237 if [[ ${installed_automake} != ${used_automake} ]]; then
238 einfo "Automake used for the package (${used_automake}) differs from"
239 einfo "the installed version (${installed_automake})."
240 eautoreconf
241 return 0
242 fi
243 fi
244
245 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
246 || extra_opts="${extra_opts} --foreign"
247
248 # --force-missing seems not to be recognized by some flavours of automake
249 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
250 }
251
252 # @FUNCTION: eautopoint
253 # @DESCRIPTION:
254 # Runs autopoint (from the gettext package).
255 eautopoint() {
256 autotools_run_tool autopoint "$@"
257 }
258
259 # Internal function to run an autotools' tool
260 autotools_run_tool() {
261 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
262 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
263 fi
264
265 # We do the “latest” → version switch here because it solves
266 # possible order problems, see bug #270010 as an example.
267 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
268 local pv
269 for pv in ${_LATEST_AUTOMAKE} ; do
270 # has_version respects ROOT, but in this case, we don't want it to,
271 # thus "ROOT=/" prefix:
272 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
273 done
274 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
275 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
276 fi
277 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
278
279 local STDERR_TARGET="${T}/$1.out"
280 # most of the time, there will only be one run, but if there are
281 # more, make sure we get unique log filenames
282 if [[ -e ${STDERR_TARGET} ]] ; then
283 STDERR_TARGET="${T}/$1-$$.out"
284 fi
285
286 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
287
288 ebegin "Running $@"
289 "$@" >> "${STDERR_TARGET}" 2>&1
290 eend $?
291
292 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
293 echo
294 eerror "Failed Running $1 !"
295 eerror
296 eerror "Include in your bugreport the contents of:"
297 eerror
298 eerror " ${STDERR_TARGET}"
299 echo
300 die "Failed Running $1 !"
301 fi
302 }
303
304 # Internal function to check for support
305 autotools_check_macro() {
306 [[ -f configure.ac || -f configure.in ]] || return 0
307 local macro
308 for macro ; do
309 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
310 done
311 return 0
312 }
313
314 # Internal function to get additional subdirs to configure
315 autotools_get_subdirs() {
316 local subdirs_scan_out
317
318 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
319 [[ -n ${subdirs_scan_out} ]] || return 0
320
321 echo "${subdirs_scan_out}" | gawk \
322 '($0 !~ /^[[:space:]]*(#|dnl)/) {
323 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
324 print res[1]
325 }' | uniq
326
327 return 0
328 }
329
330 autotools_get_auxdir() {
331 local auxdir_scan_out
332
333 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
334 [[ -n ${auxdir_scan_out} ]] || return 0
335
336 echo ${auxdir_scan_out} | gawk \
337 '($0 !~ /^[[:space:]]*(#|dnl)/) {
338 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
339 print res[1]
340 }' | uniq
341
342 return 0
343 }
344
345 autotools_m4dir_include() {
346 [[ -n ${AT_M4DIR} ]] || return
347
348 local include_opts=
349
350 for x in ${AT_M4DIR} ; do
351 case "${x}" in
352 "-I")
353 # We handle it below
354 ;;
355 *)
356 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
357 include_opts="${include_opts} -I ${x}"
358 ;;
359 esac
360 done
361
362 echo $include_opts
363 }

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