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Revision 1.95 - (show annotations) (download)
Wed Mar 31 02:11:55 2010 UTC (4 years, 5 months ago) by robbat2
Branch: MAIN
Changes since 1.94: +24 -3 lines
Bug #312315: We must reflect the latest stable automake SLOT for all architectures, otherwise we get fun circular build dependencies when we already have a should-be-sufficent automake and try to bring in a different one during the stage2->3 transition.

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 1.94 2010/03/07 17:43:11 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 # @DESCRIPTION:
29 # CONSTANT!
30 # The latest major version/slot of automake available on each arch.
31 # If a newer version is stable on any arch, and is NOT reflected in this list,
32 # then circular dependencies may arise during emerge @system bootstraps.
33 # Do NOT change this variable in your ebuilds!
34 _LATEST_AUTOMAKE='1.11 1.10'
35
36 _automake_atom="sys-devel/automake"
37 _autoconf_atom="sys-devel/autoconf"
38 if [[ -n ${WANT_AUTOMAKE} ]]; then
39 case ${WANT_AUTOMAKE} in
40 none) _automake_atom="" ;; # some packages don't require automake at all
41 # if you change the “latest” version here, change also autotools_run_tool
42 # this MUST reflect the latest stable major version for each arch!
43 latest)
44 t="" ; for v in ${_LATEST_AUTOMAKE} ; do
45 t="${t} =sys-devel/automake-${v}*"
46 done
47 unset t v
48 _automake_atom="|| ( ${_automake_atom} )"
49 ;;
50 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
51 esac
52 export WANT_AUTOMAKE
53 fi
54
55 if [[ -n ${WANT_AUTOCONF} ]] ; then
56 case ${WANT_AUTOCONF} in
57 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
58 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
59 # if you change the “latest” version here, change also autotools_run_tool
60 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
61 *) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
62 esac
63 export WANT_AUTOCONF
64 fi
65
66 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom}"
67 [[ ${CATEGORY}/${PN} != "sys-devel/libtool" ]] && AUTOTOOLS_DEPEND="${AUTOTOOLS_DEPEND} >=sys-devel/libtool-2.2.6b"
68 RDEPEND=""
69
70 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
71 # @DESCRIPTION:
72 # Set to 'no' to disable automatically adding to DEPEND. This lets
73 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
74 # their own DEPEND string.
75 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
76 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
77 DEPEND=${AUTOTOOLS_DEPEND}
78 fi
79
80 unset _automake_atom _autoconf_atom
81
82 # @ECLASS-VARIABLE: AM_OPTS
83 # @DESCRIPTION:
84 # Additional options to pass to automake during
85 # eautoreconf call.
86
87 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
88 # @DESCRIPTION:
89 # Don't run elibtoolize command if set to 'yes',
90 # useful when elibtoolize needs to be ran with
91 # particular options
92
93 # XXX: M4DIR should be deprecated
94 # @ECLASS-VARIABLE: AT_M4DIR
95 # @DESCRIPTION:
96 # Additional director(y|ies) aclocal should search
97 : ${AT_M4DIR:=${M4DIR}}
98 AT_GNUCONF_UPDATE="no"
99
100
101 # @FUNCTION: eautoreconf
102 # @DESCRIPTION:
103 # This function mimes the behavior of autoreconf, but uses the different
104 # eauto* functions to run the tools. It doesn't accept parameters, but
105 # the directory with include files can be specified with AT_M4DIR variable.
106 #
107 # Should do a full autoreconf - normally what most people will be interested in.
108 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
109 eautoreconf() {
110 local x auxdir g
111
112 if [[ -z ${AT_NO_RECURSIVE} ]]; then
113 # Take care of subdirs
114 for x in $(autotools_get_subdirs); do
115 if [[ -d ${x} ]] ; then
116 pushd "${x}" >/dev/null
117 AT_NOELIBTOOLIZE="yes" eautoreconf
118 popd >/dev/null
119 fi
120 done
121 fi
122
123 auxdir=$(autotools_get_auxdir)
124
125 einfo "Running eautoreconf in '${PWD}' ..."
126 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
127 eaclocal
128 [[ ${CHOST} == *-darwin* ]] && g=g
129 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
130 _elibtoolize --copy --force --install
131 else
132 _elibtoolize --copy --force
133 fi
134 eautoconf
135 eautoheader
136 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
137
138 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
139
140 # Call it here to prevent failures due to elibtoolize called _before_
141 # eautoreconf. We set $S because elibtoolize runs on that #265319
142 S=${PWD} elibtoolize
143
144 return 0
145 }
146
147 # @FUNCTION: eaclocal
148 # @DESCRIPTION:
149 # These functions runs the autotools using autotools_run_tool with the
150 # specified parametes. The name of the tool run is the same of the function
151 # without e prefix.
152 # They also force installing the support files for safety.
153 # Respects AT_M4DIR for additional directories to search for macro's.
154 eaclocal() {
155 local aclocal_opts
156
157 local amflags_file
158 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
159 [[ -e ${amflags_file} ]] || continue
160 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
161 eval aclocal_opts=\"${aclocal_opts}\"
162 break
163 done
164
165 if [[ -n ${AT_M4DIR} ]] ; then
166 for x in ${AT_M4DIR} ; do
167 case "${x}" in
168 "-I")
169 # We handle it below
170 ;;
171 *)
172 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
173 aclocal_opts="${aclocal_opts} -I ${x}"
174 ;;
175 esac
176 done
177 fi
178
179 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
180 autotools_run_tool aclocal "$@" ${aclocal_opts}
181 }
182
183 # @FUNCTION: _elibtoolize
184 # @DESCRIPTION:
185 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
186 # libtool.eclass.
187 _elibtoolize() {
188 local opts g=
189
190 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
191 # check for both it and the current AC_PROG_LIBTOOL)
192 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
193
194 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
195
196 [[ ${CHOST} == *-darwin* ]] && g=g
197 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
198
199 # Need to rerun aclocal
200 eaclocal
201 }
202
203 # @FUNCTION: eautoheader
204 # @DESCRIPTION:
205 # Runs autoheader.
206 eautoheader() {
207 # Check if we should run autoheader
208 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
209 NO_FAIL=1 autotools_run_tool autoheader "$@"
210 }
211
212 # @FUNCTION: eautoconf
213 # @DESCRIPTION:
214 # Runs autoconf.
215 eautoconf() {
216 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
217 echo
218 eerror "No configure.{ac,in} present in '${PWD}'!"
219 echo
220 die "No configure.{ac,in} present!"
221 fi
222
223 autotools_run_tool autoconf "$@"
224 }
225
226 # @FUNCTION: eautomake
227 # @DESCRIPTION:
228 # Runs automake.
229 eautomake() {
230 local extra_opts
231 local makefile_name
232
233 if [[ -f GNUmakefile.am ]]; then
234 makefile_name="GNUmakefile"
235 elif [[ -f Makefile.am ]]; then
236 makefile_name="Makefile"
237 else
238 return 0
239 fi
240
241 if [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name}.in ]]; then
242 local used_automake
243 local installed_automake
244
245 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
246 sed -e 's:.*(GNU automake) ::')
247 used_automake=$(head -n 1 < ${makefile_name}.in | \
248 sed -e 's:.*by automake \(.*\) from .*:\1:')
249
250 if [[ ${installed_automake} != ${used_automake} ]]; then
251 einfo "Automake used for the package (${used_automake}) differs from"
252 einfo "the installed version (${installed_automake})."
253 eautoreconf
254 return 0
255 fi
256 fi
257
258 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
259 || extra_opts="${extra_opts} --foreign"
260
261 # --force-missing seems not to be recognized by some flavours of automake
262 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
263 }
264
265 # @FUNCTION: eautopoint
266 # @DESCRIPTION:
267 # Runs autopoint (from the gettext package).
268 eautopoint() {
269 autotools_run_tool autopoint "$@"
270 }
271
272 # Internal function to run an autotools' tool
273 autotools_run_tool() {
274 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
275 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
276 fi
277
278 # We do the “latest” → version switch here because it solves
279 # possible order problems, see bug #270010 as an example.
280 for pv in ${_LATEST_AUTOMAKE} ; do
281 has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
282 done
283 unset pv
284 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
285 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
286 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
287
288 local STDERR_TARGET="${T}/$1.out"
289 # most of the time, there will only be one run, but if there are
290 # more, make sure we get unique log filenames
291 if [[ -e ${STDERR_TARGET} ]] ; then
292 STDERR_TARGET="${T}/$1-$$.out"
293 fi
294
295 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
296
297 ebegin "Running $@"
298 "$@" >> "${STDERR_TARGET}" 2>&1
299 eend $?
300
301 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
302 echo
303 eerror "Failed Running $1 !"
304 eerror
305 eerror "Include in your bugreport the contents of:"
306 eerror
307 eerror " ${STDERR_TARGET}"
308 echo
309 die "Failed Running $1 !"
310 fi
311 }
312
313 # Internal function to check for support
314 autotools_check_macro() {
315 [[ -f configure.ac || -f configure.in ]] || return 0
316 local macro
317 for macro ; do
318 WANT_AUTOCONF="2.5" autoconf --trace="${macro}" 2>/dev/null
319 done
320 return 0
321 }
322
323 # Internal function to get additional subdirs to configure
324 autotools_get_subdirs() {
325 local subdirs_scan_out
326
327 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
328 [[ -n ${subdirs_scan_out} ]] || return 0
329
330 echo "${subdirs_scan_out}" | gawk \
331 '($0 !~ /^[[:space:]]*(#|dnl)/) {
332 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
333 print res[1]
334 }' | uniq
335
336 return 0
337 }
338
339 autotools_get_auxdir() {
340 local auxdir_scan_out
341
342 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
343 [[ -n ${auxdir_scan_out} ]] || return 0
344
345 echo ${auxdir_scan_out} | gawk \
346 '($0 !~ /^[[:space:]]*(#|dnl)/) {
347 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
348 print res[1]
349 }' | uniq
350
351 return 0
352 }

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