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Revision 1.134 Revision 1.139
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 1.134 2012/05/20 12:31:32 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.139 2012/05/21 17:40:44 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
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 gettext false "eautopoint --force"
169 libtool false "_elibtoolize --install --copy --force"
170 )
171 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
172 if _at_uses_${tools[i]} ; then
173 tools[i+1]=true
174 ${tools[i+2]}
175 fi
176 done
177
178 # Generate aclocal.m4 with our up-to-date m4 files.
179 local rerun_aclocal=false
165 eaclocal 180 eaclocal
166 if grep -q '^AM_GNU_GETTEXT_VERSION' configure.?? ; then 181
167 eautopoint --force 182 # Check to see if we had macros expanded by other macros or in other
183 # m4 files that we couldn't detect early. This is uncommon, but some
184 # packages do this, so we have to handle it correctly.
185 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
186 if ! ${tools[i+1]} && _at_uses_${tools[i]} ; then
187 ${tools[i+2]}
188 rerun_aclocal=true
168 fi 189 fi
169 [[ ${CHOST} == *-darwin* ]] && g=g 190 done
170 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then 191 ${rerun_aclocal} && eaclocal
171 _elibtoolize --copy --force --install 192
172 else
173 _elibtoolize --copy --force
174 fi
175 eautoconf 193 eautoconf
176 eautoheader 194 eautoheader
177 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 195 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
178 196
179 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 197 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
182 # eautoreconf. We set $S because elibtoolize runs on that #265319 200 # eautoreconf. We set $S because elibtoolize runs on that #265319
183 S=${PWD} elibtoolize --force 201 S=${PWD} elibtoolize --force
184 202
185 return 0 203 return 0
186} 204}
205
206# @FUNCTION: _at_uses_pkg
207# @USAGE: <macros>
208# @INTERNAL
209# See if the specified macros are enabled.
210_at_uses_pkg() {
211 if [[ -e aclocal.m4 ]] ; then
212 # If aclocal.m4 exists, trust the trace data.
213 [[ -n $(autotools_check_macro "${@}") ]]
214 else
215 # If aclocal.m4 hasn't been generated yet, cheat, but be conservative.
216 local macro args=()
217 for macro ; do
218 args+=( -e "^[[:space:]]*${macro}\>" )
219 done
220 egrep -q "${args[@]}" configure.??
221 fi
222}
223_at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
224_at_uses_autoheader() { _at_uses_pkg AC_CONFIG_HEADERS; }
225_at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
226_at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
187 227
188# @FUNCTION: eaclocal_amflags 228# @FUNCTION: eaclocal_amflags
189# @DESCRIPTION: 229# @DESCRIPTION:
190# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle 230# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
191# (most) of the crazy crap that people throw at us. 231# (most) of the crazy crap that people throw at us.
225 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags) 265 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
226} 266}
227 267
228# @FUNCTION: _elibtoolize 268# @FUNCTION: _elibtoolize
229# @DESCRIPTION: 269# @DESCRIPTION:
270# Runs libtoolize. If --install is the first arg, automatically drop it if
271# the active libtool version doesn't support it.
272#
230# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 273# Note the '_' prefix .. to not collide with elibtoolize() from libtool.eclass.
231# libtool.eclass.
232_elibtoolize() { 274_elibtoolize() {
233 local opts g= 275 local LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
276 type -P glibtoolize && LIBTOOLIZE=glibtoolize
234 277
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 $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
238
239 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake" 278 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
279 if [[ $1 == "--install" ]] ; then
280 ${LIBTOOLIZE} -n --install >& /dev/null || shift
281 fi
240 282
241 [[ ${CHOST} == *-darwin* ]] && g=g
242 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts} 283 autotools_run_tool ${LIBTOOLIZE} "$@" ${opts}
243
244 # Need to rerun aclocal
245 eaclocal
246} 284}
247 285
248# @FUNCTION: eautoheader 286# @FUNCTION: eautoheader
249# @DESCRIPTION: 287# @DESCRIPTION:
250# Runs autoheader. 288# Runs autoheader.
251eautoheader() { 289eautoheader() {
252 # Check if we should run autoheader 290 _at_uses_autoheader || return 0
253 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
254 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@" 291 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
255} 292}
256 293
257# @FUNCTION: eautoconf 294# @FUNCTION: eautoconf
258# @DESCRIPTION: 295# @DESCRIPTION:
281 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do 318 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
282 [[ -f ${makefile_name} ]] && break 319 [[ -f ${makefile_name} ]] && break
283 done 320 done
284 321
285 if [[ -z ${makefile_name} ]] ; then 322 if [[ -z ${makefile_name} ]] ; then
286 # Really we should just use autotools_check_macro ... 323 _at_uses_automake || return 0
287 local am_init_automake=$(sed -n '/AM_INIT_AUTOMAKE/{s:#.*::;s:\<dnl\>.*::;p}' configure.??)
288 if [[ ${am_init_automake} != *"AM_INIT_AUTOMAKE"* ]] ; then
289 return 0
290 fi
291 324
292 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then 325 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
293 local used_automake 326 local used_automake
294 local installed_automake 327 local installed_automake
295 328
337 einfo " ${dst}" 370 einfo " ${dst}"
338 cp "${src}" "${dst}" || die 371 cp "${src}" "${dst}" || die
339 done 372 done
340} 373}
341 374
342# Internal function to run an autotools' tool 375# @FUNCTION: autotools_env_setup
376# @INTERNAL
377# @DESCRIPTION:
378# Process the WANT_AUTO{CONF,MAKE} flags.
343autotools_env_setup() { 379autotools_env_setup() {
344 # We do the "latest" → version switch here because it solves 380 # We do the "latest" → version switch here because it solves
345 # possible order problems, see bug #270010 as an example. 381 # possible order problems, see bug #270010 as an example.
346 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then 382 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
347 local pv 383 local pv
353 [[ ${WANT_AUTOMAKE} == "latest" ]] && \ 389 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
354 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 390 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
355 fi 391 fi
356 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 392 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
357} 393}
394
395# @FUNCTION: autotools_run_tool
396# @USAGE: [--at-no-fail] [--at-m4flags] <autotool> [tool-specific flags]
397# @INTERNAL
398# @DESCRIPTION:
399# Run the specified autotool helper, but do logging and error checking
400# around it in the process.
358autotools_run_tool() { 401autotools_run_tool() {
359 # Process our own internal flags first 402 # Process our own internal flags first
360 local autofail=true m4flags=false 403 local autofail=true m4flags=false
361 while [[ -n $1 ]] ; do 404 while [[ -n $1 ]] ; do
362 case $1 in 405 case $1 in
405 die "Failed Running $1 !" 448 die "Failed Running $1 !"
406 fi 449 fi
407} 450}
408 451
409# Internal function to check for support 452# Internal function to check for support
453
454# Keep a list of all the macros we might use so that we only
455# have to run the trace code once. Order doesn't matter.
456ALL_AUTOTOOLS_MACROS=(
457 AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT
458 AC_CONFIG_HEADERS
459 AC_CONFIG_SUBDIRS
460 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
461 AM_INIT_AUTOMAKE
462 AM_GNU_GETTEXT_VERSION
463)
410autotools_check_macro() { 464autotools_check_macro() {
411 [[ -f configure.ac || -f configure.in ]] || return 0 465 [[ -f configure.ac || -f configure.in ]] || return 0
466
467 # We can run in multiple dirs, so we have to cache the trace
468 # data in $PWD rather than an env var.
469 local trace_file=".__autoconf_trace_data"
470 if [[ ! -e ${trace_file} ]] || [[ aclocal.m4 -nt ${trace_file} ]] ; then
471 WANT_AUTOCONF="2.5" autoconf \
472 $(autotools_m4dir_include) \
473 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
474 fi
475
412 local macro 476 local macro args=()
413 for macro ; do 477 for macro ; do
414 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null 478 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
479 args+=( -e ":${macro}:" )
415 done 480 done
481 grep "${args[@]}" ${trace_file}
482}
483
484# @FUNCTION: autotools_check_macro_val
485# @USAGE: <macro> [macros]
486# @INTERNAL
487# @DESCRIPTION:
488# Look for a macro and extract its value.
489autotools_check_macro_val() {
490 local macro scan_out
491
492 for macro ; do
493 autotools_check_macro "${macro}" | \
494 gawk -v macro="${macro}" \
495 '($0 !~ /^[[:space:]]*(#|dnl)/) {
496 if (match($0, macro ":(.*)$", res))
497 print res[1]
498 }' | uniq
499 done
500
416 return 0 501 return 0
417} 502}
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 ; }
437 503
438_autotools_m4dir_include() { 504_autotools_m4dir_include() {
439 local x include_opts 505 local x include_opts
440 506
441 for x in "$@" ; do 507 for x in "$@" ; do

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