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Revision 1.134 Revision 1.143
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 1.143 2012/06/05 18:31:54 grobian 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 # intltool must come after autopoint.
170 intltool false "autotools_run_tool intltoolize --automake --copy --force"
171 libtool false "_elibtoolize --install --copy --force"
172 )
173 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
174 if _at_uses_${tools[i]} ; then
175 tools[i+1]=true
176 ${tools[i+2]}
177 fi
178 done
179
180 # Generate aclocal.m4 with our up-to-date m4 files.
181 local rerun_aclocal=false
165 eaclocal 182 eaclocal
166 if grep -q '^AM_GNU_GETTEXT_VERSION' configure.?? ; then 183
167 eautopoint --force 184 # Check to see if we had macros expanded by other macros or in other
185 # m4 files that we couldn't detect early. This is uncommon, but some
186 # packages do this, so we have to handle it correctly.
187 for (( i = 0; i < ${#tools[@]}; i += 3 )) ; do
188 if ! ${tools[i+1]} && _at_uses_${tools[i]} ; then
189 ${tools[i+2]}
190 rerun_aclocal=true
168 fi 191 fi
169 [[ ${CHOST} == *-darwin* ]] && g=g 192 done
170 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then 193 ${rerun_aclocal} && eaclocal
171 _elibtoolize --copy --force --install 194
172 else
173 _elibtoolize --copy --force
174 fi
175 eautoconf 195 eautoconf
176 eautoheader 196 eautoheader
177 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 197 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
178 198
179 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 199 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
182 # eautoreconf. We set $S because elibtoolize runs on that #265319 202 # eautoreconf. We set $S because elibtoolize runs on that #265319
183 S=${PWD} elibtoolize --force 203 S=${PWD} elibtoolize --force
184 204
185 return 0 205 return 0
186} 206}
207
208# @FUNCTION: _at_uses_pkg
209# @USAGE: <macros>
210# @INTERNAL
211# See if the specified macros are enabled.
212_at_uses_pkg() {
213 if [[ -n $(autotools_check_macro "$@") ]] ; then
214 return 0
215 else
216 # If the trace didn't find it (perhaps because aclocal.m4 hasn't
217 # been generated yet), cheat, but be conservative.
218 local macro args=()
219 for macro ; do
220 args+=( -e "^[[:space:]]*${macro}\>" )
221 done
222 egrep -q "${args[@]}" configure.??
223 fi
224}
225_at_uses_autoheader() { _at_uses_pkg AC_CONFIG_HEADERS; }
226_at_uses_automake() { _at_uses_pkg AM_INIT_AUTOMAKE; }
227_at_uses_gettext() { _at_uses_pkg AM_GNU_GETTEXT_VERSION; }
228_at_uses_intltool() { _at_uses_pkg {AC,IT}_PROG_INTLTOOL; }
229_at_uses_libtool() { _at_uses_pkg A{C,M}_PROG_LIBTOOL LT_INIT; }
187 230
188# @FUNCTION: eaclocal_amflags 231# @FUNCTION: eaclocal_amflags
189# @DESCRIPTION: 232# @DESCRIPTION:
190# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle 233# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
191# (most) of the crazy crap that people throw at us. 234# (most) of the crazy crap that people throw at us.
225 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags) 268 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
226} 269}
227 270
228# @FUNCTION: _elibtoolize 271# @FUNCTION: _elibtoolize
229# @DESCRIPTION: 272# @DESCRIPTION:
273# Runs libtoolize. If --install is the first arg, automatically drop it if
274# the active libtool version doesn't support it.
275#
230# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 276# Note the '_' prefix .. to not collide with elibtoolize() from libtool.eclass.
231# libtool.eclass.
232_elibtoolize() { 277_elibtoolize() {
233 local opts g= 278 local LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
279 type -P glibtoolize > /dev/null && LIBTOOLIZE=glibtoolize
234 280
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 $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
238
239 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake" 281 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
282 if [[ $1 == "--install" ]] ; then
283 ${LIBTOOLIZE} -n --install >& /dev/null || shift
284 fi
240 285
241 [[ ${CHOST} == *-darwin* ]] && g=g
242 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts} 286 autotools_run_tool ${LIBTOOLIZE} "$@" ${opts}
243
244 # Need to rerun aclocal
245 eaclocal
246} 287}
247 288
248# @FUNCTION: eautoheader 289# @FUNCTION: eautoheader
249# @DESCRIPTION: 290# @DESCRIPTION:
250# Runs autoheader. 291# Runs autoheader.
251eautoheader() { 292eautoheader() {
252 # Check if we should run autoheader 293 _at_uses_autoheader || return 0
253 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
254 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@" 294 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
255} 295}
256 296
257# @FUNCTION: eautoconf 297# @FUNCTION: eautoconf
258# @DESCRIPTION: 298# @DESCRIPTION:
281 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do 321 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
282 [[ -f ${makefile_name} ]] && break 322 [[ -f ${makefile_name} ]] && break
283 done 323 done
284 324
285 if [[ -z ${makefile_name} ]] ; then 325 if [[ -z ${makefile_name} ]] ; then
286 # Really we should just use autotools_check_macro ... 326 _at_uses_automake || return 0
287 local am_init_automake=$(sed -n '/AM_INIT_AUTOMAKE/{s:#.*::;s:\<dnl\>.*::;p}' configure.??)
288 if [[ ${am_init_automake} != *"AM_INIT_AUTOMAKE"* ]] ; then
289 return 0
290 fi
291 327
292 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then 328 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
293 local used_automake 329 local used_automake
294 local installed_automake 330 local installed_automake
295 331
337 einfo " ${dst}" 373 einfo " ${dst}"
338 cp "${src}" "${dst}" || die 374 cp "${src}" "${dst}" || die
339 done 375 done
340} 376}
341 377
342# Internal function to run an autotools' tool 378# @FUNCTION: autotools_env_setup
379# @INTERNAL
380# @DESCRIPTION:
381# Process the WANT_AUTO{CONF,MAKE} flags.
343autotools_env_setup() { 382autotools_env_setup() {
344 # We do the "latest" → version switch here because it solves 383 # We do the "latest" → version switch here because it solves
345 # possible order problems, see bug #270010 as an example. 384 # possible order problems, see bug #270010 as an example.
346 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then 385 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
347 local pv 386 local pv
353 [[ ${WANT_AUTOMAKE} == "latest" ]] && \ 392 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
354 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 393 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
355 fi 394 fi
356 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 395 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
357} 396}
397
398# @FUNCTION: autotools_run_tool
399# @USAGE: [--at-no-fail] [--at-m4flags] <autotool> [tool-specific flags]
400# @INTERNAL
401# @DESCRIPTION:
402# Run the specified autotool helper, but do logging and error checking
403# around it in the process.
358autotools_run_tool() { 404autotools_run_tool() {
359 # Process our own internal flags first 405 # Process our own internal flags first
360 local autofail=true m4flags=false 406 local autofail=true m4flags=false
361 while [[ -n $1 ]] ; do 407 while [[ -n $1 ]] ; do
362 case $1 in 408 case $1 in
405 die "Failed Running $1 !" 451 die "Failed Running $1 !"
406 fi 452 fi
407} 453}
408 454
409# Internal function to check for support 455# Internal function to check for support
456
457# Keep a list of all the macros we might use so that we only
458# have to run the trace code once. Order doesn't matter.
459ALL_AUTOTOOLS_MACROS=(
460 AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT
461 AC_CONFIG_HEADERS
462 AC_CONFIG_SUBDIRS
463 AC_CONFIG_AUX_DIR AC_CONFIG_MACRO_DIR
464 AM_INIT_AUTOMAKE
465 AM_GNU_GETTEXT_VERSION
466 {AC,IT}_PROG_INTLTOOL
467)
410autotools_check_macro() { 468autotools_check_macro() {
411 [[ -f configure.ac || -f configure.in ]] || return 0 469 [[ -f configure.ac || -f configure.in ]] || return 0
470
471 # We can run in multiple dirs, so we have to cache the trace
472 # data in $PWD rather than an env var.
473 local trace_file=".__autoconf_trace_data"
474 if [[ ! -e ${trace_file} ]] || [[ aclocal.m4 -nt ${trace_file} ]] ; then
475 WANT_AUTOCONF="2.5" autoconf \
476 $(autotools_m4dir_include) \
477 ${ALL_AUTOTOOLS_MACROS[@]/#/--trace=} > ${trace_file} 2>/dev/null
478 fi
479
412 local macro 480 local macro args=()
413 for macro ; do 481 for macro ; do
414 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null 482 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
483 args+=( -e ":${macro}:" )
415 done 484 done
485 grep "${args[@]}" ${trace_file}
486}
487
488# @FUNCTION: autotools_check_macro_val
489# @USAGE: <macro> [macros]
490# @INTERNAL
491# @DESCRIPTION:
492# Look for a macro and extract its value.
493autotools_check_macro_val() {
494 local macro scan_out
495
496 for macro ; do
497 autotools_check_macro "${macro}" | \
498 gawk -v macro="${macro}" \
499 '($0 !~ /^[[:space:]]*(#|dnl)/) {
500 if (match($0, macro ":(.*)$", res))
501 print res[1]
502 }' | uniq
503 done
504
416 return 0 505 return 0
417} 506}
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 ; }
437 507
438_autotools_m4dir_include() { 508_autotools_m4dir_include() {
439 local x include_opts 509 local x include_opts
440 510
441 for x in "$@" ; do 511 for x in "$@" ; do

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