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Revision 1.38 Revision 1.139
1# Copyright 1999-2005 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 1.38 2006/06/28 00:15:32 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.139 2012/05/21 17:40:44 vapier Exp $
4# 4
5# Author: Diego Pettenò <flameeyes@gentoo.org> 5# @ECLASS: autotools.eclass
6# Enhancements: Martin Schlemmer <azarah@gentoo.org> 6# @MAINTAINER:
7# 7# base-system@gentoo.org
8# @BLURB: Regenerates auto* build scripts
9# @DESCRIPTION:
8# This eclass is for handling autotooled software packages that 10# This eclass is for safely handling autotooled software packages that need to
9# needs to regenerate their build scripts. 11# regenerate their build scripts. All functions will abort in case of errors.
10#
11# NB: If you add anything, please comment it!
12 12
13# Note: We require GNU m4, as does autoconf. So feel free to use any features
14# from the GNU version of m4 without worrying about other variants (i.e. BSD).
15
16if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
17___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
18
13inherit eutils libtool 19inherit libtool
14 20
15DEPEND="sys-devel/automake 21# @ECLASS-VARIABLE: WANT_AUTOCONF
16 sys-devel/autoconf 22# @DESCRIPTION:
17 sys-devel/libtool" 23# The major version of autoconf your package needs
24: ${WANT_AUTOCONF:=latest}
18 25
19# Variables: 26# @ECLASS-VARIABLE: WANT_AUTOMAKE
20# 27# @DESCRIPTION:
28# The major version of automake your package needs
29: ${WANT_AUTOMAKE:=latest}
30
31# @ECLASS-VARIABLE: WANT_LIBTOOL
32# @DESCRIPTION:
33# Do you want libtool? Valid values here are "latest" and "none".
34: ${WANT_LIBTOOL:=latest}
35
36# @ECLASS-VARIABLE: _LATEST_AUTOMAKE
37# @INTERNAL
38# @DESCRIPTION:
39# CONSTANT!
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,
42# then circular dependencies may arise during emerge @system bootstraps.
43# Do NOT change this variable in your ebuilds!
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>]
46_LATEST_AUTOMAKE=( 1.11.1:1.11 )
47
48_automake_atom="sys-devel/automake"
49_autoconf_atom="sys-devel/autoconf"
50if [[ -n ${WANT_AUTOMAKE} ]]; then
51 case ${WANT_AUTOMAKE} in
52 # Even if the package doesn't use automake, we still need to depend
53 # on it because we run aclocal to process m4 macros. This matches
54 # the autoreconf tool, so this requirement is correct. #401605
55 none) ;;
56 latest)
57 # Use SLOT deps if we can. For EAPI=0, we get pretty close.
58 if [[ ${EAPI:-0} != 0 ]] ; then
59 _automake_atom="|| ( `printf '>=sys-devel/automake-%s:%s ' ${_LATEST_AUTOMAKE[@]/:/ }` )"
60 else
61 _automake_atom="|| ( `printf '>=sys-devel/automake-%s ' ${_LATEST_AUTOMAKE[@]/%:*}` )"
62 fi
63 ;;
64 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
65 esac
66 export WANT_AUTOMAKE
67fi
68
69if [[ -n ${WANT_AUTOCONF} ]] ; then
70 case ${WANT_AUTOCONF} in
71 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
72 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
73 # if you change the "latest" version here, change also autotools_env_setup
74 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.68" ;;
75 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
76 esac
77 export WANT_AUTOCONF
78fi
79
80_libtool_atom="sys-devel/libtool"
81if [[ -n ${WANT_LIBTOOL} ]] ; then
82 case ${WANT_LIBTOOL} in
83 none) _libtool_atom="" ;;
84 latest) ;;
85 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
86 esac
87 export WANT_LIBTOOL
88fi
89
90AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
91RDEPEND=""
92
93# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
94# @DESCRIPTION:
95# Set to 'no' to disable automatically adding to DEPEND. This lets
96# ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
97# their own DEPEND string.
98: ${AUTOTOOLS_AUTO_DEPEND:=yes}
99if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
100 DEPEND=${AUTOTOOLS_DEPEND}
101fi
102
103unset _automake_atom _autoconf_atom
104
105# @ECLASS-VARIABLE: AM_OPTS
106# @DEFAULT_UNSET
107# @DESCRIPTION:
108# Additional options to pass to automake during
109# eautoreconf call.
110
111# @ECLASS-VARIABLE: AT_NOEAUTOMAKE
112# @DEFAULT_UNSET
113# @DESCRIPTION:
114# Don't run eautomake command if set to 'yes'; only used to workaround
115# broken packages. Generally you should, instead, fix the package to
116# not call AM_INIT_AUTOMAKE if it doesn't actually use automake.
117
118# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
119# @DEFAULT_UNSET
120# @DESCRIPTION:
121# Don't run elibtoolize command if set to 'yes',
122# useful when elibtoolize needs to be ran with
123# particular options
124
125# @ECLASS-VARIABLE: AT_M4DIR
126# @DESCRIPTION:
21# AT_M4DIR - Additional director(y|ies) aclocal should search 127# Additional director(y|ies) aclocal should search
22# AM_OPTS - Additional options to pass to automake during 128: ${AT_M4DIR:=}
23# eautoreconf call.
24 129
25# Functions: 130# @ECLASS-VARIABLE: AT_SYS_M4DIR
26# 131# @INTERNAL
27# eautoreconf() - Should do a full autoreconf - normally what most people 132# @DESCRIPTION:
28# will be interested in. Also should handle additional 133# For system integrators, a list of additional aclocal search paths.
29# directories specified by AC_CONFIG_SUBDIRS. 134# This variable gets eval-ed, so you can use variables in the definition
30# eaclocal() - Runs aclocal. Respects AT_M4DIR for additional directories 135# that may not be valid until eautoreconf & friends are run.
31# to search for macro's. 136: ${AT_SYS_M4DIR:=}
32# _elibtoolize() - Runs libtoolize. Note the '_' prefix .. to not collide
33# with elibtoolize() from libtool.eclass
34# eautoconf - Runs autoconf.
35# eautoheader - Runs autoheader.
36# eautomake - Runs automake
37#
38 137
39# XXX: M4DIR should be depreciated 138# @FUNCTION: eautoreconf
40AT_M4DIR=${AT_M4DIR:-${M4DIR}} 139# @DESCRIPTION:
41AT_GNUCONF_UPDATE="no"
42
43
44# This function mimes the behavior of autoreconf, but uses the different 140# This function mimes the behavior of autoreconf, but uses the different
45# eauto* functions to run the tools. It doesn't accept parameters, but 141# eauto* functions to run the tools. It doesn't accept parameters, but
46# the directory with include files can be specified with AT_M4DIR variable. 142# the directory with include files can be specified with AT_M4DIR variable.
143#
144# Should do a full autoreconf - normally what most people will be interested in.
145# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
47eautoreconf() { 146eautoreconf() {
48 local pwd=$(pwd) x auxdir 147 local x g
49 148
149 if [[ -z ${AT_NO_RECURSIVE} ]]; then
50 # Take care of subdirs 150 # Take care of subdirs
51 for x in $(autotools_get_subdirs); do 151 for x in $(autotools_check_macro_val AC_CONFIG_SUBDIRS) ; do
52 if [[ -d ${x} ]] ; then 152 if [[ -d ${x} ]] ; then
53 cd "${x}" 153 pushd "${x}" >/dev/null
54 AT_NOELIBTOOLIZE="yes" eautoreconf 154 AT_NOELIBTOOLIZE="yes" eautoreconf
55 cd "${pwd}" 155 popd >/dev/null
156 fi
157 done
158 fi
159
160 einfo "Running eautoreconf in '${PWD}' ..."
161
162 local m4dirs=$(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 ${tools[i+2]}
56 fi 175 fi
57 done 176 done
58 177
59 auxdir=$(autotools_get_auxdir) 178 # Generate aclocal.m4 with our up-to-date m4 files.
60 179 local rerun_aclocal=false
61 einfo "Running eautoreconf in '$(pwd)' ..."
62 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
63 eaclocal 180 eaclocal
64 _elibtoolize --copy --force 181
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
189 fi
190 done
191 ${rerun_aclocal} && eaclocal
192
65 eautoconf 193 eautoconf
66 eautoheader 194 eautoheader
67 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 195 [[ ${AT_NOEAUTOMAKE} != "yes" ]] && FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
68 196
69 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 197 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
70 198
71 # Call it here to prevent failures due to elibtoolize called _before_ 199 # Call it here to prevent failures due to elibtoolize called _before_
72 # eautoreconf. 200 # eautoreconf. We set $S because elibtoolize runs on that #265319
73 elibtoolize 201 S=${PWD} elibtoolize --force
74 202
75 return 0 203 return 0
76} 204}
77 205
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; }
227
228# @FUNCTION: eaclocal_amflags
229# @DESCRIPTION:
230# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
231# (most) of the crazy crap that people throw at us.
232eaclocal_amflags() {
233 local aclocal_opts amflags_file
234
235 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
236 [[ -e ${amflags_file} ]] || continue
237 # setup the env in case the pkg does something crazy
238 # in their ACLOCAL_AMFLAGS. like run a shell script
239 # which turns around and runs autotools. #365401
240 # or split across multiple lines. #383525
241 autotools_env_setup
242 aclocal_opts=$(sed -n \
243 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
244 # match the first line
245 s:[^=]*=::p; \
246 # then gobble up all escaped lines
247 : nextline /\\\\$/{ n; p; b nextline; } \
248 }" ${amflags_file})
249 eval aclocal_opts=\""${aclocal_opts}"\"
250 break
251 done
252
253 echo ${aclocal_opts}
254}
255
256# @FUNCTION: eaclocal
257# @DESCRIPTION:
78# These functions runs the autotools using autotools_run_tool with the 258# These functions runs the autotools using autotools_run_tool with the
79# specified parametes. The name of the tool run is the same of the function 259# specified parametes. The name of the tool run is the same of the function
80# without e prefix. 260# without e prefix.
81# They also force installing the support files for safety. 261# They also force installing the support files for safety.
262# Respects AT_M4DIR for additional directories to search for macro's.
82eaclocal() { 263eaclocal() {
83 local aclocal_opts
84
85 if [[ -n ${AT_M4DIR} ]] ; then
86 for x in ${AT_M4DIR} ; do
87 case "${x}" in
88 "-I")
89 # We handle it below
90 ;;
91 *)
92 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
93 aclocal_opts="${aclocal_opts} -I ${x}"
94 ;;
95 esac
96 done
97 fi
98
99 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \ 264 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
100 autotools_run_tool aclocal "$@" ${aclocal_opts} 265 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
101} 266}
102 267
268# @FUNCTION: _elibtoolize
269# @DESCRIPTION:
270# Runs libtoolize. If --install is the first arg, automatically drop it if
271# the active libtool version doesn't support it.
272#
273# Note the '_' prefix .. to not collide with elibtoolize() from libtool.eclass.
103_elibtoolize() { 274_elibtoolize() {
104 local opts 275 local LIBTOOLIZE=${LIBTOOLIZE:-libtoolize}
105 local lttest 276 type -P glibtoolize && LIBTOOLIZE=glibtoolize
106 277
107 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro, 278 [[ -f GNUmakefile.am || -f Makefile.am ]] && set -- "$@" --automake
108 # check for both it and the current AC_PROG_LIBTOOL) 279 if [[ $1 == "--install" ]] ; then
109 lttest="$(autotools_check_macro "AC_PROG_LIBTOOL")$(autotools_check_macro "AM_PROG_LIBTOOL")" 280 ${LIBTOOLIZE} -n --install >& /dev/null || shift
110 [[ -n $lttest ]] || return 0 281 fi
111 282
112 [[ -f Makefile.am ]] && opts="--automake"
113
114 [[ "${USERLAND}" == "Darwin" ]] && LIBTOOLIZE="glibtoolize"
115 autotools_run_tool ${LIBTOOLIZE:-libtoolize} "$@" ${opts} 283 autotools_run_tool ${LIBTOOLIZE} "$@" ${opts}
116
117 # Need to rerun aclocal
118 eaclocal
119} 284}
120 285
286# @FUNCTION: eautoheader
287# @DESCRIPTION:
288# Runs autoheader.
121eautoheader() { 289eautoheader() {
122 # Check if we should run autoheader 290 _at_uses_autoheader || return 0
123 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0 291 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
124 autotools_run_tool autoheader "$@"
125} 292}
126 293
294# @FUNCTION: eautoconf
295# @DESCRIPTION:
296# Runs autoconf.
127eautoconf() { 297eautoconf() {
128 if [[ ! -f configure.ac && ! -f configure.in ]] ; then 298 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
129 echo 299 echo
130 eerror "No configure.{ac,in} present in '$(pwd | sed -e 's:.*/::')'!" 300 eerror "No configure.{ac,in} present in '${PWD}'!"
131 echo 301 echo
132 die "No configure.{ac,in} present!" 302 die "No configure.{ac,in} present!"
133 fi 303 fi
134 304
135 autotools_run_tool autoconf "$@" 305 autotools_run_tool --at-m4flags autoconf "$@"
136} 306}
137 307
308# @FUNCTION: eautomake
309# @DESCRIPTION:
310# Runs automake.
138eautomake() { 311eautomake() {
139 local extra_opts 312 local extra_opts
313 local makefile_name
140 314
141 [[ -f Makefile.am ]] || return 0 315 # Run automake if:
316 # - a Makefile.am type file exists
317 # - the configure script is using the AM_INIT_AUTOMAKE directive
318 for makefile_name in {GNUmakefile,{M,m}akefile}.am "" ; do
319 [[ -f ${makefile_name} ]] && break
320 done
142 321
322 if [[ -z ${makefile_name} ]] ; then
323 _at_uses_automake || return 0
324
143 if [[ -z ${FROM_EAUTORECONF} && -f Makefile.in ]]; then 325 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
144 local used_automake 326 local used_automake
145 local installed_automake 327 local installed_automake
146 328
147 installed_automake=$(automake --version | head -n 1 | \ 329 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
148 sed -e 's:.*(GNU automake) ::') 330 sed -e 's:.*(GNU automake) ::')
149 used_automake=$(head -n 1 < Makefile.in | \ 331 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
150 sed -e 's:.*by automake \(.*\) from .*:\1:') 332 sed -e 's:.*by automake \(.*\) from .*:\1:')
151 333
152 if [[ ${installed_automake} != ${used_automake} ]]; then 334 if [[ ${installed_automake} != ${used_automake} ]]; then
153 einfo "Automake used for the package (${used_automake}) differs from" 335 einfo "Automake used for the package (${used_automake}) differs from"
154 einfo "the installed version (${installed_automake})." 336 einfo "the installed version (${installed_automake})."
155 eautoreconf 337 eautoreconf
156 return 0 338 return 0
157 fi 339 fi
158 fi 340 fi
159 341
160 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \ 342 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
161 || extra_opts="${extra_opts} --foreign" 343 || extra_opts="${extra_opts} --foreign"
162 344
163 # --force-missing seems not to be recognized by some flavours of automake 345 # --force-missing seems not to be recognized by some flavours of automake
164 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@" 346 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
165} 347}
166 348
349# @FUNCTION: eautopoint
350# @DESCRIPTION:
351# Runs autopoint (from the gettext package).
352eautopoint() {
353 autotools_run_tool autopoint "$@"
354}
167 355
356# @FUNCTION: config_rpath_update
357# @USAGE: [destination]
358# @DESCRIPTION:
359# Some packages utilize the config.rpath helper script, but don't
360# use gettext directly. So we have to copy it in manually since
361# we can't let `autopoint` do it for us.
362config_rpath_update() {
363 local dst src=$(type -P gettext | sed 's:bin/gettext:share/gettext/config.rpath:')
168 364
169# Internal function to run an autotools' tool 365 [[ $# -eq 0 ]] && set -- $(find -name config.rpath)
366 [[ $# -eq 0 ]] && return 0
367
368 einfo "Updating all config.rpath files"
369 for dst in "$@" ; do
370 einfo " ${dst}"
371 cp "${src}" "${dst}" || die
372 done
373}
374
375# @FUNCTION: autotools_env_setup
376# @INTERNAL
377# @DESCRIPTION:
378# Process the WANT_AUTO{CONF,MAKE} flags.
379autotools_env_setup() {
380 # We do the "latest" → version switch here because it solves
381 # possible order problems, see bug #270010 as an example.
382 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
383 local pv
384 for pv in ${_LATEST_AUTOMAKE[@]/#*:} ; do
385 # has_version respects ROOT, but in this case, we don't want it to,
386 # thus "ROOT=/" prefix:
387 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="${pv}"
388 done
389 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
390 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
391 fi
392 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
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.
170autotools_run_tool() { 401autotools_run_tool() {
402 # Process our own internal flags first
403 local autofail=true m4flags=false
404 while [[ -n $1 ]] ; do
405 case $1 in
406 --at-no-fail) autofail=false;;
407 --at-m4flags) m4flags=true;;
408 # whatever is left goes to the actual tool
409 *) break;;
410 esac
411 shift
412 done
413
414 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
415 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
416 fi
417
418 autotools_env_setup
419
171 local STDERR_TARGET="${T}/$$.out" 420 local STDERR_TARGET="${T}/$1.out"
172 local PATCH_TARGET="${T}/$$.patch" 421 # most of the time, there will only be one run, but if there are
422 # more, make sure we get unique log filenames
423 if [[ -e ${STDERR_TARGET} ]] ; then
173 local ris 424 local i=1
425 while :; do
426 STDERR_TARGET="${T}/$1-${i}.out"
427 [[ -e ${STDERR_TARGET} ]] || break
428 : $(( i++ ))
429 done
430 fi
174 431
175 echo "***** $1 *****" > ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 432 if ${m4flags} ; then
176 echo >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 433 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
434 fi
435
436 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
177 437
178 ebegin "Running $@" 438 ebegin "Running $@"
179 $@ >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 2>&1 439 "$@" >> "${STDERR_TARGET}" 2>&1
180 ris=$? 440 if ! eend $? && ${autofail} ; then
181 eend ${ris}
182
183 if [[ ${ris} != 0 ]]; then
184 echo 441 echo
185 eerror "Failed Running $1 !" 442 eerror "Failed Running $1 !"
186 eerror 443 eerror
187 eerror "Include in your bugreport the contents of:" 444 eerror "Include in your bugreport the contents of:"
188 eerror 445 eerror
189 eerror " ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}" 446 eerror " ${STDERR_TARGET}"
190 echo 447 echo
191 die "Failed Running $1 !" 448 die "Failed Running $1 !"
192 fi 449 fi
193} 450}
194 451
195# 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)
196autotools_check_macro() { 464autotools_check_macro() {
197 [[ -f configure.ac || -f configure.in ]] && \ 465 [[ -f configure.ac || -f configure.in ]] || return 0
198 WANT_AUTOCONF="2.5" autoconf --trace=$1 2>/dev/null 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
476 local macro args=()
477 for macro ; do
478 has ${macro} ${ALL_AUTOTOOLS_MACROS[@]} || die "internal error: add ${macro} to ALL_AUTOTOOLS_MACROS"
479 args+=( -e ":${macro}:" )
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
199 return 0 501 return 0
200} 502}
201 503
202# Internal function to get additional subdirs to configure 504_autotools_m4dir_include() {
203autotools_get_subdirs() { 505 local x include_opts
204 local subdirs_scan_out
205 506
206 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS") 507 for x in "$@" ; do
207 [[ -n ${subdirs_scan_out} ]] || return 0 508 case ${x} in
509 # We handle it below
510 -I) ;;
511 *)
512 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
513 include_opts+=" -I ${x}"
514 ;;
515 esac
516 done
208 517
209 echo "${subdirs_scan_out}" | gawk \ 518 echo ${include_opts}
210 '($0 !~ /^[[:space:]]*(#|dnl)/) {
211 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
212 print res[1]
213 }' | uniq
214
215 return 0
216} 519}
520autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
521autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
217 522
218autotools_get_auxdir() { 523fi
219 local auxdir_scan_out
220
221 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
222 [[ -n ${auxdir_scan_out} ]] || return 0
223
224 echo ${auxdir_scan_out} | gawk \
225 '($0 !~ /^[[:space:]]*(#|dnl)/) {
226 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
227 print res[1]
228 }' | uniq
229
230 return 0
231}

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