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Revision 1.113 - (show annotations) (download)
Tue Dec 13 21:57:05 2011 UTC (2 years, 6 months ago) by vapier
Branch: MAIN
Changes since 1.112: +13 -7 lines
initial AT_SYS_M4DIR for weird system integrators (cross-compiling/prefix/etc...)

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 1.112 2011/12/13 21:44:22 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 if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
14 ___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
15
16 inherit eutils libtool
17
18 # @ECLASS-VARIABLE: WANT_AUTOCONF
19 # @DESCRIPTION:
20 # The major version of autoconf your package needs
21 : ${WANT_AUTOCONF:=latest}
22
23 # @ECLASS-VARIABLE: WANT_AUTOMAKE
24 # @DESCRIPTION:
25 # The major version of automake your package needs
26 : ${WANT_AUTOMAKE:=latest}
27
28 # @ECLASS-VARIABLE: WANT_LIBTOOL
29 # @DESCRIPTION:
30 # Do you want libtool? Valid values here are "latest" and "none".
31 : ${WANT_LIBTOOL:=latest}
32
33 # @ECLASS-VARIABLE: _LATEST_AUTOMAKE
34 # @INTERNAL
35 # @DESCRIPTION:
36 # CONSTANT!
37 # The latest major version/slot of automake available on each arch.
38 # If a newer version is stable on any arch, and is NOT reflected in this list,
39 # then circular dependencies may arise during emerge @system bootstraps.
40 # Do NOT change this variable in your ebuilds!
41 _LATEST_AUTOMAKE='1.11'
42
43 _automake_atom="sys-devel/automake"
44 _autoconf_atom="sys-devel/autoconf"
45 if [[ -n ${WANT_AUTOMAKE} ]]; then
46 case ${WANT_AUTOMAKE} in
47 none) _automake_atom="" ;; # some packages don't require automake at all
48 # if you change the "latest" version here, change also autotools_run_tool
49 # this MUST reflect the latest stable major version for each arch!
50 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
51 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
52 esac
53 export WANT_AUTOMAKE
54 fi
55
56 if [[ -n ${WANT_AUTOCONF} ]] ; then
57 case ${WANT_AUTOCONF} in
58 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
59 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
60 # if you change the “latest” version here, change also autotools_run_tool
61 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
62 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
63 esac
64 export WANT_AUTOCONF
65 fi
66
67 _libtool_atom="sys-devel/libtool"
68 if [[ -n ${WANT_LIBTOOL} ]] ; then
69 case ${WANT_LIBTOOL} in
70 none) _libtool_atom="" ;;
71 latest) ;;
72 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
73 esac
74 export WANT_LIBTOOL
75 fi
76
77 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
78 RDEPEND=""
79
80 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
81 # @DESCRIPTION:
82 # Set to 'no' to disable automatically adding to DEPEND. This lets
83 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
84 # their own DEPEND string.
85 : ${AUTOTOOLS_AUTO_DEPEND:=yes}
86 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
87 DEPEND=${AUTOTOOLS_DEPEND}
88 fi
89
90 unset _automake_atom _autoconf_atom
91
92 # @ECLASS-VARIABLE: AM_OPTS
93 # @DEFAULT_UNSET
94 # @DESCRIPTION:
95 # Additional options to pass to automake during
96 # eautoreconf call.
97
98 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
99 # @DEFAULT_UNSET
100 # @DESCRIPTION:
101 # Don't run elibtoolize command if set to 'yes',
102 # useful when elibtoolize needs to be ran with
103 # particular options
104
105 # XXX: M4DIR should be deprecated
106 # @ECLASS-VARIABLE: AT_M4DIR
107 # @DESCRIPTION:
108 # Additional director(y|ies) aclocal should search
109 : ${AT_M4DIR:=${M4DIR}}
110
111 # @ECLASS-VARIABLE: AT_SYS_M4DIR
112 # @INTERNAL
113 # @DESCRIPTION:
114 # For system integrators, a list of additional aclocal search paths.
115 # This variable gets eval-ed, so you can use variables in the definition
116 # that may not be valid until eautoreconf & friends are run.
117 : ${AT_SYS_M4DIR:=}
118
119 # @FUNCTION: eautoreconf
120 # @DESCRIPTION:
121 # This function mimes the behavior of autoreconf, but uses the different
122 # eauto* functions to run the tools. It doesn't accept parameters, but
123 # the directory with include files can be specified with AT_M4DIR variable.
124 #
125 # Should do a full autoreconf - normally what most people will be interested in.
126 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
127 eautoreconf() {
128 local x auxdir g
129
130 if [[ -z ${AT_NO_RECURSIVE} ]]; then
131 # Take care of subdirs
132 for x in $(autotools_get_subdirs); do
133 if [[ -d ${x} ]] ; then
134 pushd "${x}" >/dev/null
135 AT_NOELIBTOOLIZE="yes" eautoreconf
136 popd >/dev/null
137 fi
138 done
139 fi
140
141 auxdir=$(autotools_get_auxdir)
142
143 einfo "Running eautoreconf in '${PWD}' ..."
144 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
145 eaclocal
146 [[ ${CHOST} == *-darwin* ]] && g=g
147 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
148 _elibtoolize --copy --force --install
149 else
150 _elibtoolize --copy --force
151 fi
152 eautoconf
153 eautoheader
154 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
155
156 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
157
158 # Call it here to prevent failures due to elibtoolize called _before_
159 # eautoreconf. We set $S because elibtoolize runs on that #265319
160 S=${PWD} elibtoolize --force
161
162 return 0
163 }
164
165 # @FUNCTION: eaclocal_amflags
166 # @DESCRIPTION:
167 # Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
168 # (most) of the crazy crap that people throw at us.
169 eaclocal_amflags() {
170 local aclocal_opts amflags_file
171
172 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
173 [[ -e ${amflags_file} ]] || continue
174 # setup the env in case the pkg does something crazy
175 # in their ACLOCAL_AMFLAGS. like run a shell script
176 # which turns around and runs autotools. #365401
177 # or split across multiple lines. #383525
178 autotools_env_setup
179 aclocal_opts=$(sed -n \
180 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
181 # match the first line
182 s:[^=]*=::p; \
183 # then gobble up all escaped lines
184 : nextline /\\\\$/{ n; p; b nextline; } \
185 }" ${amflags_file})
186 eval aclocal_opts=\""${aclocal_opts}"\"
187 break
188 done
189
190 echo ${aclocal_opts}
191 }
192
193 # @FUNCTION: eaclocal
194 # @DESCRIPTION:
195 # These functions runs the autotools using autotools_run_tool with the
196 # specified parametes. The name of the tool run is the same of the function
197 # without e prefix.
198 # They also force installing the support files for safety.
199 # Respects AT_M4DIR for additional directories to search for macro's.
200 eaclocal() {
201 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
202 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" $(eaclocal_amflags)
203 }
204
205 # @FUNCTION: _elibtoolize
206 # @DESCRIPTION:
207 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
208 # libtool.eclass.
209 _elibtoolize() {
210 local opts g=
211
212 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
213 # check for both it and the current AC_PROG_LIBTOOL)
214 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
215
216 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
217
218 [[ ${CHOST} == *-darwin* ]] && g=g
219 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
220
221 # Need to rerun aclocal
222 eaclocal
223 }
224
225 # @FUNCTION: eautoheader
226 # @DESCRIPTION:
227 # Runs autoheader.
228 eautoheader() {
229 # Check if we should run autoheader
230 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
231 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
232 }
233
234 # @FUNCTION: eautoconf
235 # @DESCRIPTION:
236 # Runs autoconf.
237 eautoconf() {
238 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
239 echo
240 eerror "No configure.{ac,in} present in '${PWD}'!"
241 echo
242 die "No configure.{ac,in} present!"
243 fi
244
245 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
246 }
247
248 # @FUNCTION: eautomake
249 # @DESCRIPTION:
250 # Runs automake.
251 eautomake() {
252 local extra_opts
253 local makefile_name
254
255 # Run automake if:
256 # - a Makefile.am type file exists
257 # - a Makefile.in type file exists and the configure
258 # script is using the AM_INIT_AUTOMAKE directive
259 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
260 [[ -f ${makefile_name} ]] && break
261 done
262 [[ -z ${makefile_name} ]] && return 0
263
264 if [[ ${makefile_name} == *.in ]] ; 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 # Internal function to run an autotools' tool
301 autotools_env_setup() {
302 # We do the “latest” → version switch here because it solves
303 # possible order problems, see bug #270010 as an example.
304 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
305 local pv
306 for pv in ${_LATEST_AUTOMAKE} ; do
307 # has_version respects ROOT, but in this case, we don't want it to,
308 # thus "ROOT=/" prefix:
309 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
310 done
311 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
312 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
313 fi
314 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
315 }
316 autotools_run_tool() {
317 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
318 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
319 fi
320
321 autotools_env_setup
322
323 local STDERR_TARGET="${T}/$1.out"
324 # most of the time, there will only be one run, but if there are
325 # more, make sure we get unique log filenames
326 if [[ -e ${STDERR_TARGET} ]] ; then
327 local i=1
328 while :; do
329 STDERR_TARGET="${T}/$1-${i}.out"
330 [[ -e ${STDERR_TARGET} ]] || break
331 : $(( i++ ))
332 done
333 fi
334
335 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
336
337 ebegin "Running $@"
338 "$@" >> "${STDERR_TARGET}" 2>&1
339 eend $?
340
341 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
342 echo
343 eerror "Failed Running $1 !"
344 eerror
345 eerror "Include in your bugreport the contents of:"
346 eerror
347 eerror " ${STDERR_TARGET}"
348 echo
349 die "Failed Running $1 !"
350 fi
351 }
352
353 # Internal function to check for support
354 autotools_check_macro() {
355 [[ -f configure.ac || -f configure.in ]] || return 0
356 local macro
357 for macro ; do
358 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
359 done
360 return 0
361 }
362
363 # Internal function to look for a macro and extract its value
364 autotools_check_macro_val() {
365 local macro=$1 scan_out
366
367 autotools_check_macro "${macro}" | \
368 gawk -v macro="${macro}" \
369 '($0 !~ /^[[:space:]]*(#|dnl)/) {
370 if (match($0, macro ":(.*)$", res))
371 print res[1]
372 }' | uniq
373
374 return 0
375 }
376
377 # Internal function to get additional subdirs to configure
378 autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
379 autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
380
381 autotools_m4dir_include() {
382 local x include_opts
383
384 for x in ${AT_M4DIR} $(eval echo ${AT_SYS_M4DIR}) ; do
385 case "${x}" in
386 "-I")
387 # We handle it below
388 ;;
389 *)
390 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
391 include_opts+=" -I ${x}"
392 ;;
393 esac
394 done
395
396 echo ${include_opts}
397 }
398
399 fi

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