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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 1.20 2005/09/04 15:15:37 swegener Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.114 2011/12/14 18:33:59 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
13inherit eutils gnuconfig 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).
14 15
15#DEPEND="sys-devel/automake 16if [[ ${___ECLASS_ONCE_AUTOTOOLS} != "recur -_+^+_- spank" ]] ; then
16# sys-devel/autoconf 17___ECLASS_ONCE_AUTOTOOLS="recur -_+^+_- spank"
17# sys-devel/libtool"
18#
19# Ebuilds should rather depend on the proper version of the tool.
20 18
21# Variables: 19inherit eutils libtool
22# 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'
45
46_automake_atom="sys-devel/automake"
47_autoconf_atom="sys-devel/autoconf"
48if [[ -n ${WANT_AUTOMAKE} ]]; then
49 case ${WANT_AUTOMAKE} in
50 none) _automake_atom="" ;; # some packages don't require automake at all
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* ' ${_LATEST_AUTOMAKE}` )" ;;
54 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
55 esac
56 export WANT_AUTOMAKE
57fi
58
59if [[ -n ${WANT_AUTOCONF} ]] ; then
60 case ${WANT_AUTOCONF} in
61 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
62 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
63 # if you change the “latest” version here, change also autotools_run_tool
64 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
65 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
66 esac
67 export WANT_AUTOCONF
68fi
69
70_libtool_atom="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}"
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
93unset _automake_atom _autoconf_atom
94
95# @ECLASS-VARIABLE: AM_OPTS
96# @DEFAULT_UNSET
97# @DESCRIPTION:
98# Additional options to pass to automake during
99# eautoreconf call.
100
101# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
102# @DEFAULT_UNSET
103# @DESCRIPTION:
104# Don't run elibtoolize command if set to 'yes',
105# useful when elibtoolize needs to be ran with
106# particular options
107
108# @ECLASS-VARIABLE: AT_M4DIR
109# @DESCRIPTION:
23# AT_M4DIR - Additional director(y|ies) aclocal should search 110# Additional director(y|ies) aclocal should search
24# AT_GNUCONF_UPDATE - Should gnuconfig_update() be run (normally handled by 111: ${AT_M4DIR:=}
25# econf()) [yes|no]
26 112
27# Functions: 113# @ECLASS-VARIABLE: AT_SYS_M4DIR
28# 114# @INTERNAL
29# eautoreconf() - Should do a full autoreconf - normally what most people 115# @DESCRIPTION:
30# will be interested in. Also should handle additional 116# For system integrators, a list of additional aclocal search paths.
31# directories specified by AC_CONFIG_SUBDIRS. 117# This variable gets eval-ed, so you can use variables in the definition
32# eaclocal() - Runs aclocal. Respects AT_M4DIR for additional directories 118# that may not be valid until eautoreconf & friends are run.
33# to search for macro's. 119: ${AT_SYS_M4DIR:=}
34# _elibtoolize() - Runs libtoolize. Note the '_' prefix .. to not collide
35# with elibtoolize() from libtool.eclass
36# eautoconf - Runs autoconf.
37# eautoheader - Runs autoheader.
38# eautomake - Runs automake
39#
40 120
41# XXX: M4DIR should be depreciated 121# @FUNCTION: eautoreconf
42AT_M4DIR=${AT_M4DIR:-${M4DIR}} 122# @DESCRIPTION:
43AT_GNUCONF_UPDATE="no"
44
45
46# This function mimes the behavior of autoreconf, but uses the different 123# This function mimes the behavior of autoreconf, but uses the different
47# eauto* functions to run the tools. It doesn't accept parameters, but 124# eauto* functions to run the tools. It doesn't accept parameters, but
48# the directory with include files can be specified with AT_M4DIR variable. 125# the directory with include files can be specified with AT_M4DIR variable.
49# 126#
50# Note: doesn't run autopoint right now, but runs gnuconfig_update. 127# Should do a full autoreconf - normally what most people will be interested in.
128# Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
51eautoreconf() { 129eautoreconf() {
52 local pwd=$(pwd) x 130 local x auxdir g
53 131
132 if [[ -z ${AT_NO_RECURSIVE} ]]; then
54 # Take care of subdirs 133 # Take care of subdirs
55 for x in $(autotools_get_subdirs); do 134 for x in $(autotools_get_subdirs); do
56 if [[ -d ${x} ]] ; then 135 if [[ -d ${x} ]] ; then
57 cd "${x}" 136 pushd "${x}" >/dev/null
58 eautoreconf 137 AT_NOELIBTOOLIZE="yes" eautoreconf
59 cd "${pwd}" 138 popd >/dev/null
60 fi 139 fi
61 done 140 done
141 fi
62 142
143 auxdir=$(autotools_get_auxdir)
144
145 einfo "Running eautoreconf in '${PWD}' ..."
146 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
63 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
64 _elibtoolize --copy --force 152 _elibtoolize --copy --force
153 fi
65 eautoconf 154 eautoconf
66 eautoheader 155 eautoheader
67 eautomake 156 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
68 157
69 # Normally run by econf() 158 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
70 [[ ${AT_GNUCONF_UPDATE} == "yes" ]] && gnuconfig_update
71}
72 159
160 # Call it here to prevent failures due to elibtoolize called _before_
161 # eautoreconf. We set $S because elibtoolize runs on that #265319
162 S=${PWD} elibtoolize --force
163
164 return 0
165}
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 ${aclocal_opts}
193}
194
195# @FUNCTION: eaclocal
196# @DESCRIPTION:
73# These functions runs the autotools using autotools_run_tool with the 197# These functions runs the autotools using autotools_run_tool with the
74# specified parametes. The name of the tool run is the same of the function 198# specified parametes. The name of the tool run is the same of the function
75# without e prefix. 199# without e prefix.
76# They also force installing the support files for safety. 200# They also force installing the support files for safety.
201# Respects AT_M4DIR for additional directories to search for macro's.
77eaclocal() { 202eaclocal() {
78 local aclocal_opts
79
80 # XXX: M4DIR should be depreciated
81 AT_M4DIR=${AT_M4DIR:-${M4DIR}}
82
83 if [[ -n ${AT_M4DIR} ]] ; then
84 for x in ${AT_M4DIR} ; do
85 case "${x}" in
86 "-I")
87 # We handle it below
88 ;;
89 "-I"*)
90 # Invalid syntax, but maybe we should help out ...
91 ewarn "eaclocal: Proper syntax is (note the space after '-I'): aclocal -I <dir>"
92 aclocal_opts="${aclocal_opts} -I ${x}"
93 ;;
94 *)
95 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
96 aclocal_opts="${aclocal_opts} -I ${x}"
97 ;;
98 esac
99 done
100 fi
101
102 [[ -f aclocal.m4 && -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \ 203 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
103 autotools_run_tool aclocal "$@" ${aclocal_opts} 204 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" $(eaclocal_amflags)
104} 205}
105 206
207# @FUNCTION: _elibtoolize
208# @DESCRIPTION:
209# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
210# libtool.eclass.
106_elibtoolize() { 211_elibtoolize() {
107 local opts 212 local opts g=
108 213
109 # Check if we should run libtoolize 214 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
215 # check for both it and the current AC_PROG_LIBTOOL)
110 [[ -n $(autotools_check_macro "AC_PROG_LIBTOOL") ]] || return 0 216 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
111 217
112 [[ -f Makefile.am ]] && opts="--automake" 218 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
113 219
114 [[ "${USERLAND}" == "Darwin" ]] && LIBTOOLIZE="glibtoolize" 220 [[ ${CHOST} == *-darwin* ]] && g=g
115 autotools_run_tool ${LIBTOOLIZE:-libtoolize} "$@" ${opts} 221 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
116 222
117 # Need to rerun aclocal 223 # Need to rerun aclocal
118 eaclocal 224 eaclocal
119} 225}
120 226
227# @FUNCTION: eautoheader
228# @DESCRIPTION:
229# Runs autoheader.
121eautoheader() { 230eautoheader() {
122 # Check if we should run autoheader 231 # Check if we should run autoheader
123 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0 232 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
124 autotools_run_tool autoheader "$@" 233 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
125} 234}
126 235
236# @FUNCTION: eautoconf
237# @DESCRIPTION:
238# Runs autoconf.
127eautoconf() { 239eautoconf() {
128 if [[ ! -f configure.ac && ! -f configure.in ]] ; then 240 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
129 echo 241 echo
130 eerror "No configure.{ac,in} present in '$(pwd | sed -e 's:.*/::')'!" 242 eerror "No configure.{ac,in} present in '${PWD}'!"
131 echo 243 echo
132 die "No configure.{ac,in} present!" 244 die "No configure.{ac,in} present!"
133 fi 245 fi
134 246
135 autotools_run_tool autoconf "$@" 247 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
136} 248}
137 249
250# @FUNCTION: eautomake
251# @DESCRIPTION:
252# Runs automake.
138eautomake() { 253eautomake() {
254 local extra_opts
255 local makefile_name
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
139 [[ -f Makefile.am ]] || return 0 264 [[ -z ${makefile_name} ]] && return 0
265
266 if [[ ${makefile_name} == *.in ]] ; then
267 if ! grep -qs AM_INIT_AUTOMAKE configure.?? ; then
268 return 0
269 fi
270
271 elif [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name%.am}.in ]]; then
272 local used_automake
273 local installed_automake
274
275 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
276 sed -e 's:.*(GNU automake) ::')
277 used_automake=$(head -n 1 < ${makefile_name%.am}.in | \
278 sed -e 's:.*by automake \(.*\) from .*:\1:')
279
280 if [[ ${installed_automake} != ${used_automake} ]]; then
281 einfo "Automake used for the package (${used_automake}) differs from"
282 einfo "the installed version (${installed_automake})."
283 eautoreconf
284 return 0
285 fi
286 fi
287
288 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
289 || extra_opts="${extra_opts} --foreign"
290
140 # --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
141 autotools_run_tool automake --add-missing --copy "$@" 292 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
142} 293}
143 294
144 295# @FUNCTION: eautopoint
296# @DESCRIPTION:
297# Runs autopoint (from the gettext package).
298eautopoint() {
299 autotools_run_tool autopoint "$@"
300}
145 301
146# 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}
147autotools_run_tool() { 318autotools_run_tool() {
319 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
320 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
321 fi
322
323 autotools_env_setup
324
148 local STDERR_TARGET="${T}/$$.out" 325 local STDERR_TARGET="${T}/$1.out"
149 local PATCH_TARGET="${T}/$$.patch" 326 # most of the time, there will only be one run, but if there are
327 # more, make sure we get unique log filenames
328 if [[ -e ${STDERR_TARGET} ]] ; then
150 local ris 329 local i=1
330 while :; do
331 STDERR_TARGET="${T}/$1-${i}.out"
332 [[ -e ${STDERR_TARGET} ]] || break
333 : $(( i++ ))
334 done
335 fi
151 336
152 echo "***** $1 *****" > ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 337 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
153 echo >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}
154 338
155 ebegin "Running $1" 339 ebegin "Running $@"
156 $@ >> ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/} 2>&1 340 "$@" >> "${STDERR_TARGET}" 2>&1
157 ris=$? 341 eend $?
158 eend ${ris}
159 342
160 if [[ ${ris} != 0 ]]; then 343 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
161 echo 344 echo
162 eerror "Failed Running $1 !" 345 eerror "Failed Running $1 !"
163 eerror 346 eerror
164 eerror "Include in your bugreport the contents of:" 347 eerror "Include in your bugreport the contents of:"
165 eerror 348 eerror
166 eerror " ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}" 349 eerror " ${STDERR_TARGET}"
167 echo 350 echo
168 die "Failed Running $1 !" 351 die "Failed Running $1 !"
169 fi 352 fi
170} 353}
171 354
172# Internal function to check for support 355# Internal function to check for support
173autotools_check_macro() { 356autotools_check_macro() {
174 [[ -f configure.ac || -f configure.in ]] && \ 357 [[ -f configure.ac || -f configure.in ]] || return 0
175 autoconf --trace=$1 2>/dev/null 358 local macro
359 for macro ; do
360 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
361 done
176 return 0 362 return 0
177} 363}
178 364
365# Internal function to look for a macro and extract its value
366autotools_check_macro_val() {
367 local macro=$1 scan_out
368
369 autotools_check_macro "${macro}" | \
370 gawk -v macro="${macro}" \
371 '($0 !~ /^[[:space:]]*(#|dnl)/) {
372 if (match($0, macro ":(.*)$", res))
373 print res[1]
374 }' | uniq
375
376 return 0
377}
378
179# Internal function to get additional subdirs to configure 379# Internal function to get additional subdirs to configure
180autotools_get_subdirs() { 380autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
181 local subdirs_scan_out 381autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
182 382
183 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS") 383autotools_m4dir_include() {
184 [[ -n ${subdirs_scan_out} ]] || return 0 384 local x include_opts
185 385
186 echo "${subdirs_scan_out}" | gawk \ 386 for x in ${AT_M4DIR} $(eval echo ${AT_SYS_M4DIR}) ; do
187 '($0 !~ /^[[:space:]]*(#|dnl)/) { 387 case "${x}" in
188 if (match($0, "AC_CONFIG_SUBDIRS\\(\\[?([^\\])]*)", res)) { 388 "-I")
189 split(res[1], DIRS, /[\])]/) 389 # We handle it below
190 print DIRS[1] 390 ;;
191 } 391 *)
192 }' | uniq 392 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
393 include_opts+=" -I ${x}"
394 ;;
395 esac
396 done
193 397
194 return 0 398 echo ${include_opts}
195} 399}
196 400
401fi

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