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1# Copyright 1999-2012 Gentoo Foundation 1# Copyright 1999-2013 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.133 2012/05/20 10:39:45 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.150 2013/01/05 02:27:16 zmedico Exp $
4 4
5# @ECLASS: autotools.eclass 5# @ECLASS: autotools.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# base-system@gentoo.org 7# base-system@gentoo.org
8# @BLURB: Regenerates auto* build scripts 8# @BLURB: Regenerates auto* build scripts
14# from the GNU version of m4 without worrying about other variants (i.e. BSD). 14# from the GNU version of m4 without worrying about other variants (i.e. BSD).
15 15
16if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then 16if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
17___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank" 17___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
18 18
19inherit eutils libtool 19inherit libtool multiprocessing
20 20
21# @ECLASS-VARIABLE: WANT_AUTOCONF 21# @ECLASS-VARIABLE: WANT_AUTOCONF
22# @DESCRIPTION: 22# @DESCRIPTION:
23# The major version of autoconf your package needs 23# The major version of autoconf your package needs
24: ${WANT_AUTOCONF:=latest} 24: ${WANT_AUTOCONF:=latest}
40# The latest major version/slot of automake available on each arch. #312315 40# The latest major version/slot of automake available on each arch. #312315
41# If a newer slot is stable on any arch, and is NOT reflected in this list, 41# If a newer slot is stable on any arch, and is NOT reflected in this list,
42# then circular dependencies may arise during emerge @system bootstraps. 42# then circular dependencies may arise during emerge @system bootstraps.
43# Do NOT change this variable in your ebuilds! 43# Do NOT change this variable in your ebuilds!
44# If you want to force a newer minor version, you can specify the correct 44# If you want to force a newer minor version, you can specify the correct
45# WANT value by using a colon: <PV>[:<WANT_AUTOMAKE>] 45# WANT value by using a colon: <PV>:<WANT_AUTOMAKE>
46_LATEST_AUTOMAKE=( 1.11.1:1.11 ) 46_LATEST_AUTOMAKE=( 1.11.1:1.11 1.12:1.12 )
47 47
48_automake_atom="sys-devel/automake" 48_automake_atom="sys-devel/automake"
49_autoconf_atom="sys-devel/autoconf" 49_autoconf_atom="sys-devel/autoconf"
50if [[ -n ${WANT_AUTOMAKE} ]]; then 50if [[ -n ${WANT_AUTOMAKE} ]]; then
51 case ${WANT_AUTOMAKE} in 51 case ${WANT_AUTOMAKE} in
142# the directory with include files can be specified with AT_M4DIR variable. 142# the directory with include files can be specified with AT_M4DIR variable.
143# 143#
144# Should do a full autoreconf - normally what most people will be interested in. 144# Should do a full autoreconf - normally what most people will be interested in.
145# Also should handle additional directories specified by AC_CONFIG_SUBDIRS. 145# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
146eautoreconf() { 146eautoreconf() {
147 local x g 147 local x g multitop
148 148
149 if [[ -z ${AT_TOPLEVEL_EAUTORECONF} ]] ; then
150 AT_TOPLEVEL_EAUTORECONF="yes"
151 multitop="yes"
152 multijob_init
153 fi
154
149 if [[ -z ${AT_NO_RECURSIVE} ]]; then 155 if [[ -z ${AT_NO_RECURSIVE} ]] ; then
150 # Take care of subdirs 156 # Take care of subdirs
151 for x in $(autotools_get_subdirs); do 157 for x in $(autotools_check_macro_val AC_CONFIG_SUBDIRS) ; do
152 if [[ -d ${x} ]] ; then 158 if [[ -d ${x} ]] ; then
153 pushd "${x}" >/dev/null 159 pushd "${x}" >/dev/null
160 if [[ -z ${PAST_TOPLEVEL_EAUTORECONF} ]] ; then
161 PAST_TOPLEVEL_EAUTORECONF="yes" AT_NOELIBTOOLIZE="yes" \
162 multijob_child_init eautoreconf || die
163 else
164 # Avoid unsafe nested multijob_finish_one for bug #426512.
154 AT_NOELIBTOOLIZE="yes" eautoreconf 165 AT_NOELIBTOOLIZE="yes" eautoreconf || die
166 fi
155 popd >/dev/null 167 popd >/dev/null
156 fi 168 fi
157 done 169 done
158 fi 170 fi
159 171
160 local auxdir=$(autotools_get_auxdir)
161 local macdir=$(autotools_get_macrodir)
162
163 einfo "Running eautoreconf in '${PWD}' ..." 172 einfo "Running eautoreconf in '${PWD}' ..."
164 [[ -n ${auxdir}${macdir} ]] && mkdir -p ${auxdir} ${macdir} 173
174 local m4dirs=$(autotools_check_macro_val AC_CONFIG_{AUX,MACRO}_DIR)
175 [[ -n ${m4dirs} ]] && mkdir -p ${m4dirs}
176
177 # Run all the tools before aclocal so we can gather the .m4 files.
178 local i tools=(
179 # <tool> <was run> <command>
180 glibgettext false "autotools_run_tool glib-gettextize --copy --force"
181 gettext false "autotools_run_tool --at-missing autopoint --force"
182 # intltool must come after autopoint.
183 intltool false "autotools_run_tool intltoolize --automake --copy --force"
184 gtkdoc false "autotools_run_tool --at-missing gtkdocize --copy"
185 gnomedoc false "autotools_run_tool --at-missing gnome-doc-prepare --copy --force"
186 libtool false "_elibtoolize --install --copy --force"
187 )
188 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
189 if _at_uses_${tools[i]} ; then
190 tools[i+1]=true
191 ${tools[i+2]}
192 fi
193 done
194
195 # Generate aclocal.m4 with our up-to-date m4 files.
196 local rerun_aclocal=false
165 eaclocal 197 eaclocal
166 if grep -q '^AM_GNU_GETTEXT_VERSION' configure.?? ; then 198
167 eautopoint --force 199 # Check to see if we had macros expanded by other macros or in other
200 # m4 files that we couldn't detect early. This is uncommon, but some
201 # packages do this, so we have to handle it correctly.
202 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
203 if ! ${tools[i+1]} && _at_uses_${tools[i]} ; then
204 ${tools[i+2]}
205 rerun_aclocal=true
168 fi 206 fi
169 [[ ${CHOST} == *-darwin* ]] && g=g 207 done
170 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then 208 ${rerun_aclocal} && eaclocal
171 _elibtoolize --copy --force --install 209
172 else
173 _elibtoolize --copy --force
174 fi
175 eautoconf 210 eautoconf
176 eautoheader 211 eautoheader
177 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 212 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
178 213
179 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 214 if [[ ${AT_NOELIBTOOLIZE} != "yes" ]] ; then
180
181 # Call it here to prevent failures due to elibtoolize called _before_ 215 # Call it here to prevent failures due to elibtoolize called _before_
182 # eautoreconf. We set $S because elibtoolize runs on that #265319 216 # eautoreconf. We set $S because elibtoolize runs on that #265319
183 S=${PWD} elibtoolize --force 217 S=${PWD} elibtoolize --force
218 fi
219
220 if [[ -n ${multitop} ]] ; then
221 unset AT_TOPLEVEL_EAUTORECONF
222 multijob_finish || die
223 fi
184 224
185 return 0 225 return 0
186} 226}
227
228# @FUNCTION: _at_uses_pkg
229# @USAGE: <macros>
230# @INTERNAL
231# See if the specified macros are enabled.
232_at_uses_pkg() {
233 if [[ -n $(autotools_check_macro "$@") ]] ; then
234 return 0
235 else
236 # If the trace didn't find it (perhaps because aclocal.m4 hasn't
237 # been generated yet), cheat, but be conservative.
238 local macro args=()
239 for macro ; do
240 args+=( -e "^[[:space:]]*${macro}\>" )
241 done
242 egrep -q "${args[@]}" configure.??
243 fi
244}
245_at_uses_autoheader() { _at_uses_pkg AC_CONFIG_HEADERS; }
246_at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
247_at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
248_at_uses_glibgettext() { _at_uses_pkg AM_GLIB_GNU_GETTEXT; }
249_at_uses_intltool() { _at_uses_pkg {AC,IT}_PROG_INTLTOOL; }
250_at_uses_gtkdoc() { _at_uses_pkg GTK_DOC_CHECK; }
251_at_uses_gnomedoc() { _at_uses_pkg GNOME_DOC_INIT; }
252_at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
187 253
188# @FUNCTION: eaclocal_amflags 254# @FUNCTION: eaclocal_amflags
189# @DESCRIPTION: 255# @DESCRIPTION:
190# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle 256# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
191# (most) of the crazy crap that people throw at us. 257# (most) of the crazy crap that people throw at us.
225 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags) 291 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
226} 292}
227 293
228# @FUNCTION: _elibtoolize 294# @FUNCTION: _elibtoolize
229# @DESCRIPTION: 295# @DESCRIPTION:
296# Runs libtoolize. If --install is the first arg, automatically drop it if
297# the active libtool version doesn't support it.
298#
230# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 299# Note the '_' prefix .. to not collide with elibtoolize() from libtool.eclass.
231# libtool.eclass.
232_elibtoolize() { 300_elibtoolize() {
233 local opts g= 301 local LIBTOOLIZE=${LIBTOOLIZE:-$(type -P glibtoolize > /dev/null && echo glibtoolize || echo libtoolize)}
234 302
235 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
236 # check for both it and the current AC_PROG_LIBTOOL)
237 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
238
239 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake" 303 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
304 if [[ $1 == "--install" ]] ; then
305 ${LIBTOOLIZE} -n --install >& /dev/null || shift
306 fi
240 307
241 [[ ${CHOST} == *-darwin* ]] && g=g
242 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts} 308 autotools_run_tool ${LIBTOOLIZE} "$@" ${opts}
243
244 # Need to rerun aclocal
245 eaclocal
246} 309}
247 310
248# @FUNCTION: eautoheader 311# @FUNCTION: eautoheader
249# @DESCRIPTION: 312# @DESCRIPTION:
250# Runs autoheader. 313# Runs autoheader.
251eautoheader() { 314eautoheader() {
252 # Check if we should run autoheader 315 _at_uses_autoheader || return 0
253 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
254 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@" 316 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
255} 317}
256 318
257# @FUNCTION: eautoconf 319# @FUNCTION: eautoconf
258# @DESCRIPTION: 320# @DESCRIPTION:
281 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do 343 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
282 [[ -f ${makefile_name} ]] && break 344 [[ -f ${makefile_name} ]] && break
283 done 345 done
284 346
285 if [[ -z ${makefile_name} ]] ; then 347 if [[ -z ${makefile_name} ]] ; then
286 # Really we should just use autotools_check_macro ... 348 _at_uses_automake || return 0
287 local am_init_automake=$(sed -n '/AM_INIT_AUTOMAKE/{s:#.*::;s:\<dnl\>.*::;p}' configure.??)
288 if [[ ${am_init_automake} != *"AM_INIT_AUTOMAKE"* ]] ; then
289 return 0
290 fi
291 349
292 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then 350 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
293 local used_automake 351 local used_automake
294 local installed_automake 352 local installed_automake
295 353
337 einfo " ${dst}" 395 einfo " ${dst}"
338 cp "${src}" "${dst}" || die 396 cp "${src}" "${dst}" || die
339 done 397 done
340} 398}
341 399
342# Internal function to run an autotools' tool 400# @FUNCTION: autotools_env_setup
401# @INTERNAL
402# @DESCRIPTION:
403# Process the WANT_AUTO{CONF,MAKE} flags.
343autotools_env_setup() { 404autotools_env_setup() {
344 # We do the "latest" → version switch here because it solves 405 # We do the "latest" → version switch here because it solves
345 # possible order problems, see bug #270010 as an example. 406 # possible order problems, see bug #270010 as an example.
346 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then 407 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
347 local pv 408 local pv
353 [[ ${WANT_AUTOMAKE} == "latest" ]] && \ 414 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
354 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 415 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
355 fi 416 fi
356 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 417 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
357} 418}
419
420# @FUNCTION: autotools_run_tool
421# @USAGE: [--at-no-fail] [--at-m4flags] [--at-missing] <autotool> [tool-specific flags]
422# @INTERNAL
423# @DESCRIPTION:
424# Run the specified autotool helper, but do logging and error checking
425# around it in the process.
358autotools_run_tool() { 426autotools_run_tool() {
359 # Process our own internal flags first 427 # Process our own internal flags first
360 local autofail=true m4flags=false 428 local autofail=true m4flags=false missing_ok=false
361 while [[ -n $1 ]] ; do 429 while [[ -n $1 ]] ; do
362 case $1 in 430 case $1 in
363 --at-no-fail) autofail=false;; 431 --at-no-fail) autofail=false;;
364 --at-m4flags) m4flags=true;; 432 --at-m4flags) m4flags=true;;
433 --at-missing) missing_ok=true;;
365 # whatever is left goes to the actual tool 434 # whatever is left goes to the actual tool
366 *) break;; 435 *) break;;
367 esac 436 esac
368 shift 437 shift
369 done 438 done
370 439
371 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then 440 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
372 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase" 441 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
442 fi
443
444 if ${missing_ok} && ! type -P ${1} >/dev/null ; then
445 einfo "Skipping '$*' due $1 not installed"
446 return 0
373 fi 447 fi
374 448
375 autotools_env_setup 449 autotools_env_setup
376 450
377 local STDERR_TARGET="${T}/$1.out" 451 local STDERR_TARGET="${T}/$1.out"
405 die "Failed Running $1 !" 479 die "Failed Running $1 !"
406 fi 480 fi
407} 481}
408 482
409# Internal function to check for support 483# Internal function to check for support
484
485# Keep a list of all the macros we might use so that we only
486# have to run the trace code once. Order doesn't matter.
487ALL_AUTOTOOLS_MACROS=(
488 AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT
489 AC_CONFIG_HEADERS
490 AC_CONFIG_SUBDIRS
491 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
492 AM_INIT_AUTOMAKE
493 AM_GLIB_GNU_GETTEXT
494 AM_GNU_GETTEXT_VERSION
495 {AC,IT}_PROG_INTLTOOL
496 GTK_DOC_CHECK
497 GNOME_DOC_INIT
498)
410autotools_check_macro() { 499autotools_check_macro() {
411 [[ -f configure.ac || -f configure.in ]] || return 0 500 [[ -f configure.ac || -f configure.in ]] || return 0
501
502 # We can run in multiple dirs, so we have to cache the trace
503 # data in $PWD rather than an env var.
504 local trace_file=".__autoconf_trace_data"
505 if [[ ! -e ${trace_file} ]] || [[ ! aclocal.m4 -ot ${trace_file} ]] ; then
506 WANT_AUTOCONF="2.5" autoconf \
507 $(autotools_m4dir_include) \
508 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
509 fi
510
412 local macro 511 local macro args=()
413 for macro ; do 512 for macro ; do
414 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null 513 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
514 args+=( -e ":${macro}:" )
415 done 515 done
516 grep "${args[@]}" ${trace_file}
517}
518
519# @FUNCTION: autotools_check_macro_val
520# @USAGE: <macro> [macros]
521# @INTERNAL
522# @DESCRIPTION:
523# Look for a macro and extract its value.
524autotools_check_macro_val() {
525 local macro scan_out
526
527 for macro ; do
528 autotools_check_macro "${macro}" | \
529 gawk -v macro="${macro}" \
530 '($0 !~ /^[[:space:]]*(#|dnl)/) {
531 if (match($0, macro ":(.*)$", res))
532 print res[1]
533 }' | uniq
534 done
535
416 return 0 536 return 0
417} 537}
418
419# Internal function to look for a macro and extract its value
420autotools_check_macro_val() {
421 local macro=$1 scan_out
422
423 autotools_check_macro "${macro}" | \
424 gawk -v macro="${macro}" \
425 '($0 !~ /^[[:space:]]*(#|dnl)/) {
426 if (match($0, macro ":(.*)$", res))
427 print res[1]
428 }' | uniq
429
430 return 0
431}
432
433# Internal function to get additional subdirs to configure
434autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
435autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
436autotools_get_macrodir() { autotools_check_macro_val AC_CONFIG_MACRO_DIR ; }
437 538
438_autotools_m4dir_include() { 539_autotools_m4dir_include() {
439 local x include_opts 540 local x include_opts
440 541
441 for x in "$@" ; do 542 for x in "$@" ; do

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