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Revision 1.61 Revision 1.116
1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2011 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 1.61 2007/01/04 14:56:46 flameeyes Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.116 2011/12/14 20:46:36 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# 12
11# NB: If you add anything, please comment it! 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"
12 18
13inherit eutils libtool 19inherit eutils libtool
20
21# @ECLASS-VARIABLE: WANT_AUTOCONF
22# @DESCRIPTION:
23# The major version of autoconf your package needs
24: ${WANT_AUTOCONF:=latest}
25
26# @ECLASS-VARIABLE: WANT_AUTOMAKE
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.
41# If a newer version 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_LATEST_AUTOMAKE='1.11'
14 45
15_automake_atom="sys-devel/automake" 46_automake_atom="sys-devel/automake"
16_autoconf_atom="sys-devel/autoconf" 47_autoconf_atom="sys-devel/autoconf"
17if [[ -n ${WANT_AUTOMAKE} ]]; then 48if [[ -n ${WANT_AUTOMAKE} ]]; then
18 case ${WANT_AUTOMAKE} in 49 case ${WANT_AUTOMAKE} in
19 # workaround while we have different versions of automake in arch and ~arch 50 none) _automake_atom="" ;; # some packages don't require automake at all
20 latest) _automake_atom="|| ( =sys-devel/automake-1.10* =sys-devel/automake-1.9* )" ;; 51 # if you change the "latest" version here, change also autotools_run_tool
52 # this MUST reflect the latest stable major version for each arch!
53 latest) _automake_atom="|| ( `printf '=sys-devel/automake-%s* ' ${_LATEST_AUTOMAKE}` )" ;;
21 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;; 54 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
22 esac 55 esac
56 export WANT_AUTOMAKE
23fi 57fi
24 58
25if [[ -n ${WANT_AUTOCONF} ]] ; then 59if [[ -n ${WANT_AUTOCONF} ]] ; then
26 case ${WANT_AUTOCONF} in 60 case ${WANT_AUTOCONF} in
61 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
27 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;; 62 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
63 # if you change the “latest” version here, change also autotools_run_tool
28 latest | 2.5) _autoconf_atom=">=sys-devel/autoconf-2.59" ;; 64 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
65 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
29 esac 66 esac
67 export WANT_AUTOCONF
30fi 68fi
31DEPEND="${_automake_atom} 69
32 ${_autoconf_atom} 70_libtool_atom="sys-devel/libtool"
33 sys-devel/libtool" 71if [[ -n ${WANT_LIBTOOL} ]] ; then
72 case ${WANT_LIBTOOL} in
73 none) _libtool_atom="" ;;
74 latest) ;;
75 *) die "Invalid WANT_LIBTOOL value '${WANT_LIBTOOL}'" ;;
76 esac
77 export WANT_LIBTOOL
78fi
79
80AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
34RDEPEND="" 81RDEPEND=""
82
83# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
84# @DESCRIPTION:
85# Set to 'no' to disable automatically adding to DEPEND. This lets
86# ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
87# their own DEPEND string.
88: ${AUTOTOOLS_AUTO_DEPEND:=yes}
89if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
90 DEPEND=${AUTOTOOLS_DEPEND}
91fi
92
35unset _automake_atom _autoconf_atom 93unset _automake_atom _autoconf_atom
36 94
37# Variables: 95# @ECLASS-VARIABLE: AM_OPTS
38# 96# @DEFAULT_UNSET
39# AT_M4DIR - Additional director(y|ies) aclocal should search 97# @DESCRIPTION:
40# AM_OPTS - Additional options to pass to automake during 98# Additional options to pass to automake during
41# eautoreconf call. 99# eautoreconf call.
100
101# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
102# @DEFAULT_UNSET
103# @DESCRIPTION:
42# AT_NOELIBTOOLIZE - Don't run elibtoolize command if set to 'yes', 104# Don't run elibtoolize command if set to 'yes',
43# useful when elibtoolize needs to be ran with 105# useful when elibtoolize needs to be ran with
44# particular options 106# particular options
45 107
46# Functions: 108# @ECLASS-VARIABLE: AT_M4DIR
47# 109# @DESCRIPTION:
48# eautoreconf() - Should do a full autoreconf - normally what most people 110# Additional director(y|ies) aclocal should search
49# will be interested in. Also should handle additional 111: ${AT_M4DIR:=}
50# directories specified by AC_CONFIG_SUBDIRS.
51# eaclocal() - Runs aclocal. Respects AT_M4DIR for additional directories
52# to search for macro's.
53# _elibtoolize() - Runs libtoolize. Note the '_' prefix .. to not collide
54# with elibtoolize() from libtool.eclass
55# eautoconf - Runs autoconf.
56# eautoheader - Runs autoheader.
57# eautomake - Runs automake
58#
59 112
60# XXX: M4DIR should be depreciated 113# @ECLASS-VARIABLE: AT_SYS_M4DIR
61AT_M4DIR=${AT_M4DIR:-${M4DIR}} 114# @INTERNAL
62AT_GNUCONF_UPDATE="no" 115# @DESCRIPTION:
116# For system integrators, a list of additional aclocal search paths.
117# This variable gets eval-ed, so you can use variables in the definition
118# that may not be valid until eautoreconf & friends are run.
119: ${AT_SYS_M4DIR:=}
63 120
64 121# @FUNCTION: eautoreconf
122# @DESCRIPTION:
65# This function mimes the behavior of autoreconf, but uses the different 123# This function mimes the behavior of autoreconf, but uses the different
66# eauto* functions to run the tools. It doesn't accept parameters, but 124# eauto* functions to run the tools. It doesn't accept parameters, but
67# the directory with include files can be specified with AT_M4DIR variable. 125# the directory with include files can be specified with AT_M4DIR variable.
126#
127# Should do a full autoreconf - normally what most people will be interested in.
128# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
68eautoreconf() { 129eautoreconf() {
69 local pwd=$(pwd) x auxdir 130 local x auxdir g
70 131
71 if [[ -z ${AT_NO_RECURSIVE} ]]; then 132 if [[ -z ${AT_NO_RECURSIVE} ]]; then
72 # Take care of subdirs 133 # Take care of subdirs
73 for x in $(autotools_get_subdirs); do 134 for x in $(autotools_get_subdirs); do
74 if [[ -d ${x} ]] ; then 135 if [[ -d ${x} ]] ; then
75 cd "${x}" 136 pushd "${x}" >/dev/null
76 AT_NOELIBTOOLIZE="yes" eautoreconf 137 AT_NOELIBTOOLIZE="yes" eautoreconf
77 cd "${pwd}" 138 popd >/dev/null
78 fi 139 fi
79 done 140 done
80 fi 141 fi
81 142
82 auxdir=$(autotools_get_auxdir) 143 auxdir=$(autotools_get_auxdir)
83 144
84 einfo "Running eautoreconf in '$(pwd)' ..." 145 einfo "Running eautoreconf in '${PWD}' ..."
85 [[ -n ${auxdir} ]] && mkdir -p ${auxdir} 146 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
86 eaclocal 147 eaclocal
148 [[ ${CHOST} == *-darwin* ]] && g=g
149 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
150 _elibtoolize --copy --force --install
151 else
87 _elibtoolize --copy --force 152 _elibtoolize --copy --force
153 fi
88 eautoconf 154 eautoconf
89 eautoheader 155 eautoheader
90 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS} 156 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
91 157
92 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 158 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
93 159
94 # Call it here to prevent failures due to elibtoolize called _before_ 160 # Call it here to prevent failures due to elibtoolize called _before_
95 # eautoreconf. 161 # eautoreconf. We set $S because elibtoolize runs on that #265319
96 elibtoolize 162 S=${PWD} elibtoolize --force
97 163
98 return 0 164 return 0
99} 165}
100 166
167# @FUNCTION: eaclocal_amflags
168# @DESCRIPTION:
169# Extract the ACLOCAL_AMFLAGS value from the Makefile.am and try to handle
170# (most) of the crazy crap that people throw at us.
171eaclocal_amflags() {
172 local aclocal_opts amflags_file
173
174 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
175 [[ -e ${amflags_file} ]] || continue
176 # setup the env in case the pkg does something crazy
177 # in their ACLOCAL_AMFLAGS. like run a shell script
178 # which turns around and runs autotools. #365401
179 # or split across multiple lines. #383525
180 autotools_env_setup
181 aclocal_opts=$(sed -n \
182 "/^ACLOCAL_AMFLAGS[[:space:]]*=/{ \
183 # match the first line
184 s:[^=]*=::p; \
185 # then gobble up all escaped lines
186 : nextline /\\\\$/{ n; p; b nextline; } \
187 }" ${amflags_file})
188 eval aclocal_opts=\""${aclocal_opts}"\"
189 break
190 done
191
192 echo ${aclocal_opts}
193}
194
195# @FUNCTION: eaclocal
196# @DESCRIPTION:
101# These functions runs the autotools using autotools_run_tool with the 197# These functions runs the autotools using autotools_run_tool with the
102# specified parametes. The name of the tool run is the same of the function 198# specified parametes. The name of the tool run is the same of the function
103# without e prefix. 199# without e prefix.
104# They also force installing the support files for safety. 200# They also force installing the support files for safety.
201# Respects AT_M4DIR for additional directories to search for macro's.
105eaclocal() { 202eaclocal() {
106 local aclocal_opts
107
108 if [[ -n ${AT_M4DIR} ]] ; then
109 for x in ${AT_M4DIR} ; do
110 case "${x}" in
111 "-I")
112 # We handle it below
113 ;;
114 *)
115 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
116 aclocal_opts="${aclocal_opts} -I ${x}"
117 ;;
118 esac
119 done
120 fi
121
122 autotools_set_versions
123 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \ 203 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
124 autotools_run_tool aclocal "$@" ${aclocal_opts} 204 autotools_run_tool --at-m4flags aclocal "$@" $(eaclocal_amflags)
125} 205}
126 206
207# @FUNCTION: _elibtoolize
208# @DESCRIPTION:
209# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
210# libtool.eclass.
127_elibtoolize() { 211_elibtoolize() {
128 local opts 212 local opts g=
129 local lttest
130 213
131 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro, 214 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
132 # check for both it and the current AC_PROG_LIBTOOL) 215 # check for both it and the current AC_PROG_LIBTOOL)
133 lttest="$(autotools_check_macro "AC_PROG_LIBTOOL")$(autotools_check_macro "AM_PROG_LIBTOOL")" 216 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
134 [[ -n $lttest ]] || return 0
135 217
136 [[ -f Makefile.am ]] && opts="--automake" 218 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
137 219
138 [[ "${USERLAND}" == "Darwin" ]] && LIBTOOLIZE="glibtoolize" 220 [[ ${CHOST} == *-darwin* ]] && g=g
139 autotools_run_tool ${LIBTOOLIZE:-libtoolize} "$@" ${opts} 221 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
140 222
141 # Need to rerun aclocal 223 # Need to rerun aclocal
142 eaclocal 224 eaclocal
143} 225}
144 226
227# @FUNCTION: eautoheader
228# @DESCRIPTION:
229# Runs autoheader.
145eautoheader() { 230eautoheader() {
146 # Check if we should run autoheader 231 # Check if we should run autoheader
147 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0 232 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
148 autotools_set_versions 233 autotools_run_tool --at-no-fail --at-m4flags autoheader "$@"
149 NO_FAIL=1 autotools_run_tool autoheader "$@"
150} 234}
151 235
236# @FUNCTION: eautoconf
237# @DESCRIPTION:
238# Runs autoconf.
152eautoconf() { 239eautoconf() {
153 if [[ ! -f configure.ac && ! -f configure.in ]] ; then 240 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
154 echo 241 echo
155 eerror "No configure.{ac,in} present in '$(pwd | sed -e 's:.*/::')'!" 242 eerror "No configure.{ac,in} present in '${PWD}'!"
156 echo 243 echo
157 die "No configure.{ac,in} present!" 244 die "No configure.{ac,in} present!"
158 fi 245 fi
159 246
160 autotools_set_versions
161 autotools_run_tool autoconf "$@" 247 autotools_run_tool --at-m4flags autoconf "$@"
162} 248}
163 249
250# @FUNCTION: eautomake
251# @DESCRIPTION:
252# Runs automake.
164eautomake() { 253eautomake() {
165 local extra_opts 254 local extra_opts
255 local makefile_name
166 256
257 # Run automake if:
258 # - a Makefile.am type file exists
259 # - a Makefile.in type file exists and the configure
260 # script is using the AM_INIT_AUTOMAKE directive
261 for makefile_name in {GNUmakefile,{M,m}akefile}.{am,in} "" ; do
262 [[ -f ${makefile_name} ]] && break
263 done
167 [[ -f Makefile.am ]] || return 0 264 [[ -z ${makefile_name} ]] && return 0
168 265
169 autotools_set_versions 266 if [[ ${makefile_name} == *.in ]] ; then
267 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
268 return 0
269 fi
270
170 if [[ -z ${FROM_EAUTORECONF} && -f Makefile.in ]]; then 271 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
171 local used_automake 272 local used_automake
172 local installed_automake 273 local installed_automake
173 274
174 installed_automake=$(automake --version | head -n 1 | \ 275 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
175 sed -e 's:.*(GNU automake) ::') 276 sed -e 's:.*(GNU automake) ::')
176 used_automake=$(head -n 1 < Makefile.in | \ 277 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
177 sed -e 's:.*by automake \(.*\) from .*:\1:') 278 sed -e 's:.*by automake \(.*\) from .*:\1:')
178 279
179 if [[ ${installed_automake} != ${used_automake} ]]; then 280 if [[ ${installed_automake} != ${used_automake} ]]; then
180 einfo "Automake used for the package (${used_automake}) differs from" 281 einfo "Automake used for the package (${used_automake}) differs from"
181 einfo "the installed version (${installed_automake})." 282 einfo "the installed version (${installed_automake})."
182 eautoreconf 283 eautoreconf
183 return 0 284 return 0
184 fi 285 fi
185 fi 286 fi
186 287
187 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \ 288 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
188 || extra_opts="${extra_opts} --foreign" 289 || extra_opts="${extra_opts} --foreign"
189 290
190 # --force-missing seems not to be recognized by some flavours of automake 291 # --force-missing seems not to be recognized by some flavours of automake
191 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@" 292 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
192} 293}
193 294
194autotools_set_versions() { 295# @FUNCTION: eautopoint
195 [[ -n ${autotools_version_sets} ]] && return 0 296# @DESCRIPTION:
196 297# Runs autopoint (from the gettext package).
197 if [[ -n ${WANT_AUTOCONF} ]]; then 298eautopoint() {
198 [[ ${WANT_AUTOCONF} == "latest" ]] && WANT_AUTOCONF="2.5" 299 autotools_run_tool autopoint "$@"
199 export WANT_AUTOCONF
200 einfo "Requested autoconf ${WANT_AUTOCONF}"
201 einfo "Using $(autoconf --version 2>/dev/null | head -n 1)"
202 einfo "Using $(autoheader --version 2>/dev/null | head -n 1)"
203 else
204 ewarn "QA Notice: \${WANT_AUTOCONF} variable unset. Please report on http://bugs.gentoo.org/"
205 fi
206
207 if [[ -n ${WANT_AUTOMAKE} ]]; then
208 local latest_automake
209 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
210 latest_automake="latest: "
211 for amver in 1.10 1.9 1.8 1.7 1.6; do
212 WANT_AUTOMAKE="${amver}"
213 ROOT=/ has_version =sys-devel/automake-${amver}* && break
214 done
215 fi
216 export WANT_AUTOMAKE
217 einfo "Requested automake ${latest_automake}${WANT_AUTOMAKE}"
218 einfo "Using $(automake --version 2>/dev/null | head -n 1)"
219 einfo "Using $(aclocal --version 2>/dev/null | head -n 1)"
220 else
221 ewarn "QA Notice: \${WANT_AUTOMAKE} variable unset. Please report on http://bugs.gentoo.org/"
222 fi
223
224 autotools_version_sets="yes"
225} 300}
226 301
227# Internal function to run an autotools' tool 302# Internal function to run an autotools' tool
303autotools_env_setup() {
304 # We do the “latest” → version switch here because it solves
305 # possible order problems, see bug #270010 as an example.
306 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
307 local pv
308 for pv in ${_LATEST_AUTOMAKE} ; do
309 # has_version respects ROOT, but in this case, we don't want it to,
310 # thus "ROOT=/" prefix:
311 ROOT=/ has_version "=sys-devel/automake-${pv}*" && export WANT_AUTOMAKE="$pv"
312 done
313 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
314 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
315 fi
316 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
317}
228autotools_run_tool() { 318autotools_run_tool() {
319 # Process our own internal flags first
320 local autofail=true m4flags=false
321 while [[ -n $1 ]] ; do
322 case $1 in
323 --at-no-fail) autofail=false;;
324 --at-m4flags) m4flags=true;;
325 # whatever is left goes to the actual tool
326 *) break;;
327 esac
328 shift
329 done
330
331 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
332 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
333 fi
334
335 autotools_env_setup
336
229 local STDERR_TARGET="${T}/$$.out" 337 local STDERR_TARGET="${T}/$1.out"
338 # most of the time, there will only be one run, but if there are
339 # more, make sure we get unique log filenames
340 if [[ -e ${STDERR_TARGET} ]] ; then
230 local ris 341 local i=1
342 while :; do
343 STDERR_TARGET="${T}/$1-${i}.out"
344 [[ -e ${STDERR_TARGET} ]] || break
345 : $(( i++ ))
346 done
347 fi
231 348
232 echo "***** $1 *****" > ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 349 if ${m4flags} ; then
233 echo >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 350 set -- "${1}" $(autotools_m4dir_include) "${@:2}" $(autotools_m4sysdir_include)
351 fi
352
353 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
234 354
235 ebegin "Running $@" 355 ebegin "Running $@"
236 $@ >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 2>&1 356 "$@" >> "${STDERR_TARGET}" 2>&1
237 ris=$? 357 if ! eend $? && ${autofail} ; then
238 eend ${ris}
239
240 if [[ ${ris} != 0 && ${NO_FAIL} != 1 ]]; then
241 echo 358 echo
242 eerror "Failed Running $1 !" 359 eerror "Failed Running $1 !"
243 eerror 360 eerror
244 eerror "Include in your bugreport the contents of:" 361 eerror "Include in your bugreport the contents of:"
245 eerror 362 eerror
246 eerror " ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}" 363 eerror " ${STDERR_TARGET}"
247 echo 364 echo
248 die "Failed Running $1 !" 365 die "Failed Running $1 !"
249 fi 366 fi
250} 367}
251 368
252# Internal function to check for support 369# Internal function to check for support
253autotools_check_macro() { 370autotools_check_macro() {
254 [[ -f configure.ac || -f configure.in ]] && \ 371 [[ -f configure.ac || -f configure.in ]] || return 0
255 WANT_AUTOCONF="2.5" autoconf --trace=$1 2>/dev/null 372 local macro
373 for macro ; do
374 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
375 done
256 return 0 376 return 0
257} 377}
258 378
379# Internal function to look for a macro and extract its value
380autotools_check_macro_val() {
381 local macro=$1 scan_out
382
383 autotools_check_macro "${macro}" | \
384 gawk -v macro="${macro}" \
385 '($0 !~ /^[[:space:]]*(#|dnl)/) {
386 if (match($0, macro ":(.*)$", res))
387 print res[1]
388 }' | uniq
389
390 return 0
391}
392
259# Internal function to get additional subdirs to configure 393# Internal function to get additional subdirs to configure
260autotools_get_subdirs() { 394autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
261 local subdirs_scan_out 395autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
262 396
263 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS") 397_autotools_m4dir_include() {
264 [[ -n ${subdirs_scan_out} ]] || return 0 398 local x include_opts
265 399
266 echo "${subdirs_scan_out}" | gawk \ 400 for x in "$@" ; do
267 '($0 !~ /^[[:space:]]*(#|dnl)/) { 401 case ${x} in
268 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res)) 402 # We handle it below
269 print res[1] 403 -I) ;;
270 }' | uniq 404 *)
405 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
406 include_opts+=" -I ${x}"
407 ;;
408 esac
409 done
271 410
272 return 0 411 echo ${include_opts}
273} 412}
413autotools_m4dir_include() { _autotools_m4dir_include ${AT_M4DIR} ; }
414autotools_m4sysdir_include() { _autotools_m4dir_include $(eval echo ${AT_SYS_M4DIR}) ; }
274 415
275autotools_get_auxdir() { 416fi
276 local auxdir_scan_out
277
278 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
279 [[ -n ${auxdir_scan_out} ]] || return 0
280
281 echo ${auxdir_scan_out} | gawk \
282 '($0 !~ /^[[:space:]]*(#|dnl)/) {
283 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
284 print res[1]
285 }' | uniq
286
287 return 0
288}

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