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1# Copyright 1999-2010 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 1.99 2010/07/06 18:55:50 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.114 2011/12/14 18:33:59 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
9# @DESCRIPTION: 9# @DESCRIPTION:
10# This eclass is for safely handling autotooled software packages that need to 10# This eclass is for safely handling autotooled software packages that need to
11# regenerate their build scripts. All functions will abort in case of errors. 11# regenerate their build scripts. All functions will abort in case of errors.
12# 12
13# 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"
14 18
15inherit eutils libtool 19inherit eutils libtool
16 20
17# @ECLASS-VARIABLE: WANT_AUTOCONF 21# @ECLASS-VARIABLE: WANT_AUTOCONF
18# @DESCRIPTION: 22# @DESCRIPTION:
22# @ECLASS-VARIABLE: WANT_AUTOMAKE 26# @ECLASS-VARIABLE: WANT_AUTOMAKE
23# @DESCRIPTION: 27# @DESCRIPTION:
24# The major version of automake your package needs 28# The major version of automake your package needs
25: ${WANT_AUTOMAKE:=latest} 29: ${WANT_AUTOMAKE:=latest}
26 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
27# @ECLASS-VARIABLE: _LATEST_AUTOMAKE 36# @ECLASS-VARIABLE: _LATEST_AUTOMAKE
37# @INTERNAL
28# @DESCRIPTION: 38# @DESCRIPTION:
29# CONSTANT! 39# CONSTANT!
30# The latest major version/slot of automake available on each arch. 40# The latest major version/slot of automake available on each arch.
31# If a newer version is stable on any arch, and is NOT reflected in this list, 41# If a newer version is stable on any arch, and is NOT reflected in this list,
32# then circular dependencies may arise during emerge @system bootstraps. 42# then circular dependencies may arise during emerge @system bootstraps.
50 case ${WANT_AUTOCONF} in 60 case ${WANT_AUTOCONF} in
51 none) _autoconf_atom="" ;; # some packages don't require autoconf at all 61 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
52 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;; 62 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
53 # if you change the “latest” version here, change also autotools_run_tool 63 # if you change the “latest” version here, change also autotools_run_tool
54 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;; 64 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
55 *) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;; 65 *) die "Invalid WANT_AUTOCONF value '${WANT_AUTOCONF}'" ;;
56 esac 66 esac
57 export WANT_AUTOCONF 67 export WANT_AUTOCONF
58fi 68fi
59 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
60AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom}" 80AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom} ${_libtool_atom}"
61[[ ${CATEGORY}/${PN} != "sys-devel/libtool" ]] && AUTOTOOLS_DEPEND="${AUTOTOOLS_DEPEND} >=sys-devel/libtool-2.2.6b"
62RDEPEND="" 81RDEPEND=""
63 82
64# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND 83# @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
65# @DESCRIPTION: 84# @DESCRIPTION:
66# Set to 'no' to disable automatically adding to DEPEND. This lets 85# Set to 'no' to disable automatically adding to DEPEND. This lets
72fi 91fi
73 92
74unset _automake_atom _autoconf_atom 93unset _automake_atom _autoconf_atom
75 94
76# @ECLASS-VARIABLE: AM_OPTS 95# @ECLASS-VARIABLE: AM_OPTS
96# @DEFAULT_UNSET
77# @DESCRIPTION: 97# @DESCRIPTION:
78# Additional options to pass to automake during 98# Additional options to pass to automake during
79# eautoreconf call. 99# eautoreconf call.
80 100
81# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE 101# @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
102# @DEFAULT_UNSET
82# @DESCRIPTION: 103# @DESCRIPTION:
83# Don't run elibtoolize command if set to 'yes', 104# Don't run elibtoolize command if set to 'yes',
84# useful when elibtoolize needs to be ran with 105# useful when elibtoolize needs to be ran with
85# particular options 106# particular options
86 107
87# XXX: M4DIR should be deprecated
88# @ECLASS-VARIABLE: AT_M4DIR 108# @ECLASS-VARIABLE: AT_M4DIR
89# @DESCRIPTION: 109# @DESCRIPTION:
90# Additional director(y|ies) aclocal should search 110# Additional director(y|ies) aclocal should search
91: ${AT_M4DIR:=${M4DIR}} 111: ${AT_M4DIR:=}
92AT_GNUCONF_UPDATE="no"
93 112
113# @ECLASS-VARIABLE: AT_SYS_M4DIR
114# @INTERNAL
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:=}
94 120
95# @FUNCTION: eautoreconf 121# @FUNCTION: eautoreconf
96# @DESCRIPTION: 122# @DESCRIPTION:
97# This function mimes the behavior of autoreconf, but uses the different 123# This function mimes the behavior of autoreconf, but uses the different
98# 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
131 157
132 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0 158 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
133 159
134 # Call it here to prevent failures due to elibtoolize called _before_ 160 # Call it here to prevent failures due to elibtoolize called _before_
135 # eautoreconf. We set $S because elibtoolize runs on that #265319 161 # eautoreconf. We set $S because elibtoolize runs on that #265319
136 S=${PWD} elibtoolize 162 S=${PWD} elibtoolize --force
137 163
138 return 0 164 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}
139} 193}
140 194
141# @FUNCTION: eaclocal 195# @FUNCTION: eaclocal
142# @DESCRIPTION: 196# @DESCRIPTION:
143# These functions runs the autotools using autotools_run_tool with the 197# These functions runs the autotools using autotools_run_tool with the
144# 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
145# without e prefix. 199# without e prefix.
146# They also force installing the support files for safety. 200# They also force installing the support files for safety.
147# Respects AT_M4DIR for additional directories to search for macro's. 201# Respects AT_M4DIR for additional directories to search for macro's.
148eaclocal() { 202eaclocal() {
149 local aclocal_opts
150
151 local amflags_file
152 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
153 [[ -e ${amflags_file} ]] || continue
154 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
155 eval aclocal_opts=\"${aclocal_opts}\"
156 break
157 done
158
159 if [[ -n ${AT_M4DIR} ]] ; then
160 for x in ${AT_M4DIR} ; do
161 case "${x}" in
162 "-I")
163 # We handle it below
164 ;;
165 *)
166 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
167 aclocal_opts="${aclocal_opts} -I ${x}"
168 ;;
169 esac
170 done
171 fi
172
173 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \ 203 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
174 autotools_run_tool aclocal "$@" ${aclocal_opts} 204 autotools_run_tool aclocal $(autotools_m4dir_include) "$@" $(eaclocal_amflags)
175} 205}
176 206
177# @FUNCTION: _elibtoolize 207# @FUNCTION: _elibtoolize
178# @DESCRIPTION: 208# @DESCRIPTION:
179# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from 209# Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
198# @DESCRIPTION: 228# @DESCRIPTION:
199# Runs autoheader. 229# Runs autoheader.
200eautoheader() { 230eautoheader() {
201 # Check if we should run autoheader 231 # Check if we should run autoheader
202 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0 232 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
203 NO_FAIL=1 autotools_run_tool autoheader "$@" 233 NO_FAIL=1 autotools_run_tool autoheader $(autotools_m4dir_include) "$@"
204} 234}
205 235
206# @FUNCTION: eautoconf 236# @FUNCTION: eautoconf
207# @DESCRIPTION: 237# @DESCRIPTION:
208# Runs autoconf. 238# Runs autoconf.
212 eerror "No configure.{ac,in} present in '${PWD}'!" 242 eerror "No configure.{ac,in} present in '${PWD}'!"
213 echo 243 echo
214 die "No configure.{ac,in} present!" 244 die "No configure.{ac,in} present!"
215 fi 245 fi
216 246
217 autotools_run_tool autoconf "$@" 247 autotools_run_tool autoconf $(autotools_m4dir_include) "$@"
218} 248}
219 249
220# @FUNCTION: eautomake 250# @FUNCTION: eautomake
221# @DESCRIPTION: 251# @DESCRIPTION:
222# Runs automake. 252# Runs automake.
253 eautoreconf 283 eautoreconf
254 return 0 284 return 0
255 fi 285 fi
256 fi 286 fi
257 287
258 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \ 288 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS && -f README ]] \
259 || extra_opts="${extra_opts} --foreign" 289 || extra_opts="${extra_opts} --foreign"
260 290
261 # --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
262 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@" 292 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
263} 293}
268eautopoint() { 298eautopoint() {
269 autotools_run_tool autopoint "$@" 299 autotools_run_tool autopoint "$@"
270} 300}
271 301
272# Internal function to run an autotools' tool 302# Internal function to run an autotools' tool
273autotools_run_tool() { 303autotools_env_setup() {
274 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
275 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
276 fi
277
278 # We do the “latest” → version switch here because it solves 304 # We do the “latest” → version switch here because it solves
279 # possible order problems, see bug #270010 as an example. 305 # possible order problems, see bug #270010 as an example.
280 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then 306 if [[ ${WANT_AUTOMAKE} == "latest" ]]; then
281 local pv 307 local pv
282 for pv in ${_LATEST_AUTOMAKE} ; do 308 for pv in ${_LATEST_AUTOMAKE} ; do
286 done 312 done
287 [[ ${WANT_AUTOMAKE} == "latest" ]] && \ 313 [[ ${WANT_AUTOMAKE} == "latest" ]] && \
288 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}" 314 die "Cannot find the latest automake! Tried ${_LATEST_AUTOMAKE}"
289 fi 315 fi
290 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5 316 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
317}
318autotools_run_tool() {
319 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
320 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
321 fi
322
323 autotools_env_setup
291 324
292 local STDERR_TARGET="${T}/$1.out" 325 local STDERR_TARGET="${T}/$1.out"
293 # most of the time, there will only be one run, but if there are 326 # most of the time, there will only be one run, but if there are
294 # more, make sure we get unique log filenames 327 # more, make sure we get unique log filenames
295 if [[ -e ${STDERR_TARGET} ]] ; then 328 if [[ -e ${STDERR_TARGET} ]] ; then
329 local i=1
330 while :; do
296 STDERR_TARGET="${T}/$1-$$.out" 331 STDERR_TARGET="${T}/$1-${i}.out"
332 [[ -e ${STDERR_TARGET} ]] || break
333 : $(( i++ ))
334 done
297 fi 335 fi
298 336
299 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}" 337 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
300 338
301 ebegin "Running $@" 339 ebegin "Running $@"
317# Internal function to check for support 355# Internal function to check for support
318autotools_check_macro() { 356autotools_check_macro() {
319 [[ -f configure.ac || -f configure.in ]] || return 0 357 [[ -f configure.ac || -f configure.in ]] || return 0
320 local macro 358 local macro
321 for macro ; do 359 for macro ; do
322 WANT_AUTOCONF="2.5" autoconf --trace="${macro}" 2>/dev/null 360 WANT_AUTOCONF="2.5" autoconf $(autotools_m4dir_include) --trace="${macro}" 2>/dev/null
323 done 361 done
324 return 0 362 return 0
325} 363}
326 364
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
327# Internal function to get additional subdirs to configure 379# Internal function to get additional subdirs to configure
328autotools_get_subdirs() { 380autotools_get_subdirs() { autotools_check_macro_val AC_CONFIG_SUBDIRS ; }
329 local subdirs_scan_out 381autotools_get_auxdir() { autotools_check_macro_val AC_CONFIG_AUX_DIR ; }
330 382
331 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS") 383autotools_m4dir_include() {
332 [[ -n ${subdirs_scan_out} ]] || return 0 384 local x include_opts
333 385
334 echo "${subdirs_scan_out}" | gawk \ 386 for x in ${AT_M4DIR} $(eval echo ${AT_SYS_M4DIR}) ; do
335 '($0 !~ /^[[:space:]]*(#|dnl)/) { 387 case "${x}" in
336 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res)) 388 "-I")
337 print res[1] 389 # We handle it below
338 }' | uniq 390 ;;
391 *)
392 [[ ! -d ${x} ]] && ewarn "autotools.eclass: '${x}' does not exist"
393 include_opts+=" -I ${x}"
394 ;;
395 esac
396 done
339 397
340 return 0 398 echo ${include_opts}
341} 399}
342 400
343autotools_get_auxdir() { 401fi
344 local auxdir_scan_out
345
346 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
347 [[ -n ${auxdir_scan_out} ]] || return 0
348
349 echo ${auxdir_scan_out} | gawk \
350 '($0 !~ /^[[:space:]]*(#|dnl)/) {
351 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
352 print res[1]
353 }' | uniq
354
355 return 0
356}

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