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1# Copyright 1999-2012 Gentoo Foundation 1# Copyright 1999-2012 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 1.145 2012/06/07 04:50:04 vapier 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
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}
146eautoreconf() { 146eautoreconf() {
147 local x g 147 local x g
148 148
149 if [[ -z ${AT_NO_RECURSIVE} ]]; then 149 if [[ -z ${AT_NO_RECURSIVE} ]]; then
150 # Take care of subdirs 150 # Take care of subdirs
151 for x in $(autotools_get_subdirs); do 151 for x in $(autotools_check_macro_val AC_CONFIG_SUBDIRS) ; do
152 if [[ -d ${x} ]] ; then 152 if [[ -d ${x} ]] ; then
153 pushd "${x}" >/dev/null 153 pushd "${x}" >/dev/null
154 AT_NOELIBTOOLIZE="yes" eautoreconf 154 AT_NOELIBTOOLIZE="yes" eautoreconf
155 popd >/dev/null 155 popd >/dev/null
156 fi 156 fi
157 done 157 done
158 fi 158 fi
159 159
160 local auxdir=$(autotools_get_auxdir)
161 local macdir=$(autotools_get_macrodir)
162
163 einfo "Running eautoreconf in '${PWD}' ..." 160 einfo "Running eautoreconf in '${PWD}' ..."
164 [[ -n ${auxdir}${macdir} ]] && mkdir -p ${auxdir} ${macdir} 161
162 local m4dirs=$(autotools_check_macro_val AC_CONFIG_{AUX,MACRO}_DIR)
163 [[ -n ${m4dirs} ]] && mkdir -p ${m4dirs}
164
165 # Run all the tools before aclocal so we can gather the .m4 files.
166 local i tools=(
167 # <tool> <was run> <command>
168 glibgettext false "autotools_run_tool glib-gettextize --copy --force"
169 gettext false "autotools_run_tool --at-missing autopoint --force"
170 # intltool must come after autopoint.
171 intltool false "autotools_run_tool intltoolize --automake --copy --force"
172 gtkdoc false "autotools_run_tool --at-missing gtkdocize --copy"
173 gnomedoc false "autotools_run_tool --at-missing gnome-doc-prepare --copy --force"
174 libtool false "_elibtoolize --install --copy --force"
175 )
176 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
177 if _at_uses_${tools[i]} ; then
178 tools[i+1]=true
179 ${tools[i+2]}
180 fi
181 done
182
183 # Generate aclocal.m4 with our up-to-date m4 files.
184 local rerun_aclocal=false
165 eaclocal 185 eaclocal
166 if grep -q '^AM_GNU_GETTEXT_VERSION' configure.?? ; then 186
167 eautopoint --force 187 # Check to see if we had macros expanded by other macros or in other
188 # m4 files that we couldn't detect early. This is uncommon, but some
189 # packages do this, so we have to handle it correctly.
190 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
191 if ! ${tools[i+1]} && _at_uses_${tools[i]} ; then
192 ${tools[i+2]}
193 rerun_aclocal=true
168 fi 194 fi
169 [[ ${CHOST} == *-darwin* ]] && g=g 195 done
170 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then 196 ${rerun_aclocal} && eaclocal
171 _elibtoolize --copy --force --install 197
172 else
173 _elibtoolize --copy --force
174 fi
175 eautoconf 198 eautoconf
176 eautoheader 199 eautoheader
177 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 200 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
178 201
179 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 202 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
182 # eautoreconf. We set $S because elibtoolize runs on that #265319 205 # eautoreconf. We set $S because elibtoolize runs on that #265319
183 S=${PWD} elibtoolize --force 206 S=${PWD} elibtoolize --force
184 207
185 return 0 208 return 0
186} 209}
210
211# @FUNCTION: _at_uses_pkg
212# @USAGE: <macros>
213# @INTERNAL
214# See if the specified macros are enabled.
215_at_uses_pkg() {
216 if [[ -n $(autotools_check_macro "$@") ]] ; then
217 return 0
218 else
219 # If the trace didn't find it (perhaps because aclocal.m4 hasn't
220 # been generated yet), cheat, but be conservative.
221 local macro args=()
222 for macro ; do
223 args+=( -e "^[[:space:]]*${macro}\>" )
224 done
225 egrep -q "${args[@]}" configure.??
226 fi
227}
228_at_uses_autoheader() { _at_uses_pkg AC_CONFIG_HEADERS; }
229_at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
230_at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
231_at_uses_glibgettext() { _at_uses_pkg AM_GLIB_GNU_GETTEXT; }
232_at_uses_intltool() { _at_uses_pkg {AC,IT}_PROG_INTLTOOL; }
233_at_uses_gtkdoc() { _at_uses_pkg GTK_DOC_CHECK; }
234_at_uses_gnomedoc() { _at_uses_pkg GNOME_DOC_INIT; }
235_at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
187 236
188# @FUNCTION: eaclocal_amflags 237# @FUNCTION: eaclocal_amflags
189# @DESCRIPTION: 238# @DESCRIPTION:
190# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle 239# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
191# (most) of the crazy crap that people throw at us. 240# (most) of the crazy crap that people throw at us.
225 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags) 274 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
226} 275}
227 276
228# @FUNCTION: _elibtoolize 277# @FUNCTION: _elibtoolize
229# @DESCRIPTION: 278# @DESCRIPTION:
279# Runs libtoolize. If --install is the first arg, automatically drop it if
280# the active libtool version doesn't support it.
281#
230# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 282# Note the '_' prefix .. to not collide with elibtoolize() from libtool.eclass.
231# libtool.eclass.
232_elibtoolize() { 283_elibtoolize() {
233 local opts g= 284 local LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
285 type -P glibtoolize > /dev/null && LIBTOOLIZE=glibtoolize
234 286
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 $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
238
239 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake" 287 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
288 if [[ $1 == "--install" ]] ; then
289 ${LIBTOOLIZE} -n --install >& /dev/null || shift
290 fi
240 291
241 [[ ${CHOST} == *-darwin* ]] && g=g
242 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts} 292 autotools_run_tool ${LIBTOOLIZE} "$@" ${opts}
243
244 # Need to rerun aclocal
245 eaclocal
246} 293}
247 294
248# @FUNCTION: eautoheader 295# @FUNCTION: eautoheader
249# @DESCRIPTION: 296# @DESCRIPTION:
250# Runs autoheader. 297# Runs autoheader.
251eautoheader() { 298eautoheader() {
252 # Check if we should run autoheader 299 _at_uses_autoheader || return 0
253 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
254 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@" 300 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
255} 301}
256 302
257# @FUNCTION: eautoconf 303# @FUNCTION: eautoconf
258# @DESCRIPTION: 304# @DESCRIPTION:
281 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do 327 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
282 [[ -f ${makefile_name} ]] && break 328 [[ -f ${makefile_name} ]] && break
283 done 329 done
284 330
285 if [[ -z ${makefile_name} ]] ; then 331 if [[ -z ${makefile_name} ]] ; then
286 # Really we should just use autotools_check_macro ... 332 _at_uses_automake || return 0
287 local am_init_automake=$(sed -n '/AM_INIT_AUTOMAKE/{s:#.*::;s:\<dnl\>.*::;p}' configure.??)
288 if [[ ${am_init_automake} != *"AM_INIT_AUTOMAKE"* ]] ; then
289 return 0
290 fi
291 333
292 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then 334 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
293 local used_automake 335 local used_automake
294 local installed_automake 336 local installed_automake
295 337
337 einfo " ${dst}" 379 einfo " ${dst}"
338 cp "${src}" "${dst}" || die 380 cp "${src}" "${dst}" || die
339 done 381 done
340} 382}
341 383
342# Internal function to run an autotools' tool 384# @FUNCTION: autotools_env_setup
385# @INTERNAL
386# @DESCRIPTION:
387# Process the WANT_AUTO{CONF,MAKE} flags.
343autotools_env_setup() { 388autotools_env_setup() {
344 # We do the "latest" → version switch here because it solves 389 # We do the "latest" → version switch here because it solves
345 # possible order problems, see bug #270010 as an example. 390 # possible order problems, see bug #270010 as an example.
346 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then 391 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
347 local pv 392 local pv
353 [[ ${WANT_AUTOMAKE} == "latest" ]] && \ 398 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
354 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 399 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
355 fi 400 fi
356 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 401 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
357} 402}
403
404# @FUNCTION: autotools_run_tool
405# @USAGE: [--at-no-fail] [--at-m4flags] [--at-missing] <autotool> [tool-specific flags]
406# @INTERNAL
407# @DESCRIPTION:
408# Run the specified autotool helper, but do logging and error checking
409# around it in the process.
358autotools_run_tool() { 410autotools_run_tool() {
359 # Process our own internal flags first 411 # Process our own internal flags first
360 local autofail=true m4flags=false 412 local autofail=true m4flags=false missing_ok=false
361 while [[ -n $1 ]] ; do 413 while [[ -n $1 ]] ; do
362 case $1 in 414 case $1 in
363 --at-no-fail) autofail=false;; 415 --at-no-fail) autofail=false;;
364 --at-m4flags) m4flags=true;; 416 --at-m4flags) m4flags=true;;
417 --at-missing) missing_ok=true;;
365 # whatever is left goes to the actual tool 418 # whatever is left goes to the actual tool
366 *) break;; 419 *) break;;
367 esac 420 esac
368 shift 421 shift
369 done 422 done
370 423
371 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then 424 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
372 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase" 425 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
426 fi
427
428 if ${missing_ok} && ! type -P ${1} >/dev/null ; then
429 einfo "Skipping '$*' due $1 not installed"
430 return 0
373 fi 431 fi
374 432
375 autotools_env_setup 433 autotools_env_setup
376 434
377 local STDERR_TARGET="${T}/$1.out" 435 local STDERR_TARGET="${T}/$1.out"
405 die "Failed Running $1 !" 463 die "Failed Running $1 !"
406 fi 464 fi
407} 465}
408 466
409# Internal function to check for support 467# Internal function to check for support
468
469# Keep a list of all the macros we might use so that we only
470# have to run the trace code once. Order doesn't matter.
471ALL_AUTOTOOLS_MACROS=(
472 AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT
473 AC_CONFIG_HEADERS
474 AC_CONFIG_SUBDIRS
475 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
476 AM_INIT_AUTOMAKE
477 AM_GLIB_GNU_GETTEXT
478 AM_GNU_GETTEXT_VERSION
479 {AC,IT}_PROG_INTLTOOL
480 GTK_DOC_CHECK
481 GNOME_DOC_INIT
482)
410autotools_check_macro() { 483autotools_check_macro() {
411 [[ -f configure.ac || -f configure.in ]] || return 0 484 [[ -f configure.ac || -f configure.in ]] || return 0
485
486 # We can run in multiple dirs, so we have to cache the trace
487 # data in $PWD rather than an env var.
488 local trace_file=".__autoconf_trace_data"
489 if [[ ! -e ${trace_file} ]] || [[ aclocal.m4 -nt ${trace_file} ]] ; then
490 WANT_AUTOCONF="2.5" autoconf \
491 $(autotools_m4dir_include) \
492 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
493 fi
494
412 local macro 495 local macro args=()
413 for macro ; do 496 for macro ; do
414 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null 497 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
498 args+=( -e ":${macro}:" )
415 done 499 done
500 grep "${args[@]}" ${trace_file}
501}
502
503# @FUNCTION: autotools_check_macro_val
504# @USAGE: <macro> [macros]
505# @INTERNAL
506# @DESCRIPTION:
507# Look for a macro and extract its value.
508autotools_check_macro_val() {
509 local macro scan_out
510
511 for macro ; do
512 autotools_check_macro "${macro}" | \
513 gawk -v macro="${macro}" \
514 '($0 !~ /^[[:space:]]*(#|dnl)/) {
515 if (match($0, macro ":(.*)$", res))
516 print res[1]
517 }' | uniq
518 done
519
416 return 0 520 return 0
417} 521}
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 ; }
437 522
438_autotools_m4dir_include() { 523_autotools_m4dir_include() {
439 local x include_opts 524 local x include_opts
440 525
441 for x in "$@" ; do 526 for x in "$@" ; do

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