/[gentoo-x86]/eclass/autotools.eclass
Gentoo

Contents of /eclass/autotools.eclass

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.105 - (show annotations) (download)
Mon Aug 22 18:22:27 2011 UTC (3 years ago) by vapier
Branch: MAIN
Changes since 1.104: +18 -4 lines
add a WANT_LIBTOOL knob so people can disable the dep if they really know what they are doing

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 1.104 2011/08/07 22:53:28 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: WANT_LIBTOOL
28 # @DESCRIPTION:
29 # Do you want libtool? Valid values here are "latest" and "none".
30 : ${WANT_LIBTOOL:=latest}
31
32 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
33 # @INTERNAL
34 # @DESCRIPTION:
35 # CONSTANT!
36 # The latest major version/slot of automake available on each arch.
37 # If a newer version is stable on any arch, and is NOT reflected in this list,
38 # then circular dependencies may arise during emerge @system bootstraps.
39 # Do NOT change this variable in your ebuilds!
40 _LATEST_AUTOMAKE='1.11'
41
42 _automake_atom="sys-devel/automake"
43 _autoconf_atom="sys-devel/autoconf"
44 if [[ -n ${WANT_AUTOMAKE} ]]; then
45 case ${WANT_AUTOMAKE} in
46 none) _automake_atom="" ;; # some packages don't require automake at all
47 # if you change the "latest" version here, change also autotools_run_tool
48 # this MUST reflect the latest stable major version for each arch!
49 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
50 *) _automake_atom="=sys-devel/automake-${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 _libtool_atom="sys-devel/libtool"
67 if [[ -n ${WANT_LIBTOOL} ]] ; then
68 case ${WANT_LIBTOOL} in
69 none) _libtool_atom="" ;;
70 latest) ;;
71 *) _libtool_atom="INCORRECT-WANT_LIBTOOL-SETTING-IN-EBUILD" ;;
72 esac
73 export WANT_LIBTOOL
74 fi
75
76 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
77 RDEPEND=""
78
79 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
80 # @DESCRIPTION:
81 # Set to 'no' to disable automatically adding to DEPEND. This lets
82 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
83 # their own DEPEND string.
84 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
85 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
86 DEPEND=${AUTOTOOLS_DEPEND}
87 fi
88
89 unset _automake_atom _autoconf_atom
90
91 # @ECLASS-VARIABLE: AM_OPTS
92 # @DEFAULT_UNSET
93 # @DESCRIPTION:
94 # Additional options to pass to automake during
95 # eautoreconf call.
96
97 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
98 # @DEFAULT_UNSET
99 # @DESCRIPTION:
100 # Don't run elibtoolize command if set to 'yes',
101 # useful when elibtoolize needs to be ran with
102 # particular options
103
104 # XXX: M4DIR should be deprecated
105 # @ECLASS-VARIABLE: AT_M4DIR
106 # @DESCRIPTION:
107 # Additional director(y|ies) aclocal should search
108 : ${AT_M4DIR:=${M4DIR}}
109
110 # @FUNCTION: eautoreconf
111 # @DESCRIPTION:
112 # This function mimes the behavior of autoreconf, but uses the different
113 # eauto* functions to run the tools. It doesn't accept parameters, but
114 # the directory with include files can be specified with AT_M4DIR variable.
115 #
116 # Should do a full autoreconf - normally what most people will be interested in.
117 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
118 eautoreconf() {
119 local x auxdir g
120
121 if [[ -z ${AT_NO_RECURSIVE} ]]; then
122 # Take care of subdirs
123 for x in $(autotools_get_subdirs); do
124 if [[ -d ${x} ]] ; then
125 pushd "${x}" >/dev/null
126 AT_NOELIBTOOLIZE="yes" eautoreconf
127 popd >/dev/null
128 fi
129 done
130 fi
131
132 auxdir=$(autotools_get_auxdir)
133
134 einfo "Running eautoreconf in '${PWD}' ..."
135 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
136 eaclocal
137 [[ ${CHOST} == *-darwin* ]] && g=g
138 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
139 _elibtoolize --copy --force --install
140 else
141 _elibtoolize --copy --force
142 fi
143 eautoconf
144 eautoheader
145 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
146
147 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
148
149 # Call it here to prevent failures due to elibtoolize called _before_
150 # eautoreconf. We set $S because elibtoolize runs on that #265319
151 S=${PWD} elibtoolize
152
153 return 0
154 }
155
156 # @FUNCTION: eaclocal
157 # @DESCRIPTION:
158 # These functions runs the autotools using autotools_run_tool with the
159 # specified parametes. The name of the tool run is the same of the function
160 # without e prefix.
161 # They also force installing the support files for safety.
162 # Respects AT_M4DIR for additional directories to search for macro's.
163 eaclocal() {
164 local aclocal_opts
165
166 local amflags_file
167 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
168 [[ -e ${amflags_file} ]] || continue
169 # setup the env in case the pkg does something crazy
170 # in their ACLOCAL_AMFLAGS. like run a shell script
171 # which turns around and runs autotools #365401
172 autotools_env_setup
173 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
174 eval aclocal_opts=\"${aclocal_opts}\"
175 break
176 done
177
178 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
179 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" ${aclocal_opts}
180 }
181
182 # @FUNCTION: _elibtoolize
183 # @DESCRIPTION:
184 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
185 # libtool.eclass.
186 _elibtoolize() {
187 local opts g=
188
189 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
190 # check for both it and the current AC_PROG_LIBTOOL)
191 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
192
193 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
194
195 [[ ${CHOST} == *-darwin* ]] && g=g
196 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
197
198 # Need to rerun aclocal
199 eaclocal
200 }
201
202 # @FUNCTION: eautoheader
203 # @DESCRIPTION:
204 # Runs autoheader.
205 eautoheader() {
206 # Check if we should run autoheader
207 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
208 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
209 }
210
211 # @FUNCTION: eautoconf
212 # @DESCRIPTION:
213 # Runs autoconf.
214 eautoconf() {
215 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
216 echo
217 eerror "No configure.{ac,in} present in '${PWD}'!"
218 echo
219 die "No configure.{ac,in} present!"
220 fi
221
222 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
223 }
224
225 # @FUNCTION: eautomake
226 # @DESCRIPTION:
227 # Runs automake.
228 eautomake() {
229 local extra_opts
230 local makefile_name
231
232 # Run automake if:
233 # - a Makefile.am type file exists
234 # - a Makefile.in type file exists and the configure
235 # script is using the AM_INIT_AUTOMAKE directive
236 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
237 [[ -f ${makefile_name} ]] && break
238 done
239 [[ -z ${makefile_name} ]] && return 0
240
241 if [[ ${makefile_name} == *.in ]] ; then
242 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
243 return 0
244 fi
245
246 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
247 local used_automake
248 local installed_automake
249
250 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
251 sed -e 's:.*(GNU automake) ::')
252 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
253 sed -e 's:.*by automake \(.*\) from .*:\1:')
254
255 if [[ ${installed_automake} != ${used_automake} ]]; then
256 einfo "Automake used for the package (${used_automake}) differs from"
257 einfo "the installed version (${installed_automake})."
258 eautoreconf
259 return 0
260 fi
261 fi
262
263 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
264 || extra_opts="${extra_opts} --foreign"
265
266 # --force-missing seems not to be recognized by some flavours of automake
267 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
268 }
269
270 # @FUNCTION: eautopoint
271 # @DESCRIPTION:
272 # Runs autopoint (from the gettext package).
273 eautopoint() {
274 autotools_run_tool autopoint "$@"
275 }
276
277 # Internal function to run an autotools' tool
278 autotools_env_setup() {
279 # We do the “latest” → version switch here because it solves
280 # possible order problems, see bug #270010 as an example.
281 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
282 local pv
283 for pv in ${_LATEST_AUTOMAKE} ; do
284 # has_version respects ROOT, but in this case, we don't want it to,
285 # thus "ROOT=/" prefix:
286 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
287 done
288 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
289 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
290 fi
291 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
292 }
293 autotools_run_tool() {
294 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
295 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
296 fi
297
298 autotools_env_setup
299
300 local STDERR_TARGET="${T}/$1.out"
301 # most of the time, there will only be one run, but if there are
302 # more, make sure we get unique log filenames
303 if [[ -e ${STDERR_TARGET} ]] ; then
304 local i=1
305 while :; do
306 STDERR_TARGET="${T}/$1-${i}.out"
307 [[ -e ${STDERR_TARGET} ]] || break
308 : $(( i++ ))
309 done
310 fi
311
312 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
313
314 ebegin "Running $@"
315 "$@" >> "${STDERR_TARGET}" 2>&1
316 eend $?
317
318 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
319 echo
320 eerror "Failed Running $1 !"
321 eerror
322 eerror "Include in your bugreport the contents of:"
323 eerror
324 eerror " ${STDERR_TARGET}"
325 echo
326 die "Failed Running $1 !"
327 fi
328 }
329
330 # Internal function to check for support
331 autotools_check_macro() {
332 [[ -f configure.ac || -f configure.in ]] || return 0
333 local macro
334 for macro ; do
335 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
336 done
337 return 0
338 }
339
340 # Internal function to get additional subdirs to configure
341 autotools_get_subdirs() {
342 local subdirs_scan_out
343
344 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
345 [[ -n ${subdirs_scan_out} ]] || return 0
346
347 echo "${subdirs_scan_out}" | gawk \
348 '($0 !~ /^[[:space:]]*(#|dnl)/) {
349 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
350 print res[1]
351 }' | uniq
352
353 return 0
354 }
355
356 autotools_get_auxdir() {
357 local auxdir_scan_out
358
359 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
360 [[ -n ${auxdir_scan_out} ]] || return 0
361
362 echo ${auxdir_scan_out} | gawk \
363 '($0 !~ /^[[:space:]]*(#|dnl)/) {
364 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
365 print res[1]
366 }' | uniq
367
368 return 0
369 }
370
371 autotools_m4dir_include() {
372 [[ -n ${AT_M4DIR} ]] || return
373
374 local include_opts=
375
376 for x in ${AT_M4DIR} ; do
377 case "${x}" in
378 "-I")
379 # We handle it below
380 ;;
381 *)
382 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
383 include_opts="${include_opts} -I ${x}"
384 ;;
385 esac
386 done
387
388 echo $include_opts
389 }

  ViewVC Help
Powered by ViewVC 1.1.20