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Revision 1.93 - (show annotations) (download)
Sun Mar 7 17:42:39 2010 UTC (4 years, 9 months ago) by vapier
Branch: MAIN
Changes since 1.92: +14 -4 lines
let people make the autotool dependencies optional in their ebuilds

1 # Copyright 1999-2010 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.92 2010/02/08 11:04:01 ssuominen Exp $
4
5 # @ECLASS: autotools.eclass
6 # @MAINTAINER:
7 # base-system@gentoo.org
8 # @BLURB: Regenerates auto* build scripts
9 # @DESCRIPTION:
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.
12 #
13 # NB: If you add anything, please comment it!
14
15 inherit eutils libtool
16
17 # @ECLASS-VARIABLE: WANT_AUTOCONF
18 # @DESCRIPTION:
19 # The major version of autoconf your package needs
20 [[ -z ${WANT_AUTOCONF} ]] && WANT_AUTOCONF="latest"
21
22 # @ECLASS-VARIABLE: WANT_AUTOMAKE
23 # @DESCRIPTION:
24 # The major version of automake your package needs
25 [[ -z ${WANT_AUTOMAKE} ]] && WANT_AUTOMAKE="latest"
26
27 _automake_atom="sys-devel/automake"
28 _autoconf_atom="sys-devel/autoconf"
29 if [[ -n ${WANT_AUTOMAKE} ]]; then
30 case ${WANT_AUTOMAKE} in
31 none) _automake_atom="" ;; # some packages don't require automake at all
32 # if you change the “latest” version here, change also autotools_run_tool
33 latest) _automake_atom="=sys-devel/automake-1.10*" ;;
34 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
35 esac
36 export WANT_AUTOMAKE
37 fi
38
39 if [[ -n ${WANT_AUTOCONF} ]] ; then
40 case ${WANT_AUTOCONF} in
41 none) _autoconf_atom="" ;; # some packages don't require autoconf at all
42 2.1) _autoconf_atom="=sys-devel/autoconf-${WANT_AUTOCONF}*" ;;
43 # if you change the “latest” version here, change also autotools_run_tool
44 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
45 *) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
46 esac
47 export WANT_AUTOCONF
48 fi
49
50 AUTOTOOLS_DEPEND="${_automake_atom} ${_autoconf_atom}"
51 [[ ${CATEGORY}/${PN} != "sys-devel/libtool" ]] && AUTOTOOLS_DEPEND="${AUTOTOOLS_DEPEND} >=sys-devel/libtool-2.2.6b"
52 RDEPEND=""
53
54 # @ECLASS-VARIABLE: AUTOTOOLS_AUTO_DEPEND
55 # @DESCRIPTION:
56 # Set to 'no' to disable automatically adding to DEPEND. This lets
57 # ebuilds former conditional depends by using ${AUTOTOOLS_DEPEND} in
58 # their own DEPEND string.
59 if [[ ${AUTOTOOLS_AUTO_DEPEND} != "no" ]] ; then
60 DEPEND=${AUTOTOOLS_DEPEND}
61 fi
62
63 unset _automake_atom _autoconf_atom
64
65 # @ECLASS-VARIABLE: AM_OPTS
66 # @DESCRIPTION:
67 # Additional options to pass to automake during
68 # eautoreconf call.
69
70 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
71 # @DESCRIPTION:
72 # Don't run elibtoolize command if set to 'yes',
73 # useful when elibtoolize needs to be ran with
74 # particular options
75
76 # XXX: M4DIR should be deprecated
77 # @ECLASS-VARIABLE: AT_M4DIR
78 # @DESCRIPTION:
79 # Additional director(y|ies) aclocal should search
80 AT_M4DIR=${AT_M4DIR:-${M4DIR}}
81 AT_GNUCONF_UPDATE="no"
82
83
84 # @FUNCTION: eautoreconf
85 # @DESCRIPTION:
86 # This function mimes the behavior of autoreconf, but uses the different
87 # eauto* functions to run the tools. It doesn't accept parameters, but
88 # the directory with include files can be specified with AT_M4DIR variable.
89 #
90 # Should do a full autoreconf - normally what most people will be interested in.
91 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
92 eautoreconf() {
93 local x auxdir g
94
95 if [[ -z ${AT_NO_RECURSIVE} ]]; then
96 # Take care of subdirs
97 for x in $(autotools_get_subdirs); do
98 if [[ -d ${x} ]] ; then
99 pushd "${x}" >/dev/null
100 AT_NOELIBTOOLIZE="yes" eautoreconf
101 popd >/dev/null
102 fi
103 done
104 fi
105
106 auxdir=$(autotools_get_auxdir)
107
108 einfo "Running eautoreconf in '${PWD}' ..."
109 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
110 eaclocal
111 [[ ${CHOST} == *-darwin* ]] && g=g
112 if ${LIBTOOLIZE:-${g}libtoolize} -n --install >& /dev/null ; then
113 _elibtoolize --copy --force --install
114 else
115 _elibtoolize --copy --force
116 fi
117 eautoconf
118 eautoheader
119 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
120
121 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
122
123 # Call it here to prevent failures due to elibtoolize called _before_
124 # eautoreconf. We set $S because elibtoolize runs on that #265319
125 S=${PWD} elibtoolize
126
127 return 0
128 }
129
130 # @FUNCTION: eaclocal
131 # @DESCRIPTION:
132 # These functions runs the autotools using autotools_run_tool with the
133 # specified parametes. The name of the tool run is the same of the function
134 # without e prefix.
135 # They also force installing the support files for safety.
136 # Respects AT_M4DIR for additional directories to search for macro's.
137 eaclocal() {
138 local aclocal_opts
139
140 local amflags_file
141 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
142 [[ -e ${amflags_file} ]] || continue
143 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
144 eval aclocal_opts=\"${aclocal_opts}\"
145 break
146 done
147
148 if [[ -n ${AT_M4DIR} ]] ; then
149 for x in ${AT_M4DIR} ; do
150 case "${x}" in
151 "-I")
152 # We handle it below
153 ;;
154 *)
155 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
156 aclocal_opts="${aclocal_opts} -I ${x}"
157 ;;
158 esac
159 done
160 fi
161
162 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
163 autotools_run_tool aclocal "$@" ${aclocal_opts}
164 }
165
166 # @FUNCTION: _elibtoolize
167 # @DESCRIPTION:
168 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
169 # libtool.eclass.
170 _elibtoolize() {
171 local opts g=
172
173 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
174 # check for both it and the current AC_PROG_LIBTOOL)
175 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
176
177 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
178
179 [[ ${CHOST} == *-darwin* ]] && g=g
180 autotools_run_tool ${LIBTOOLIZE:-${g}libtoolize} "$@" ${opts}
181
182 # Need to rerun aclocal
183 eaclocal
184 }
185
186 # @FUNCTION: eautoheader
187 # @DESCRIPTION:
188 # Runs autoheader.
189 eautoheader() {
190 # Check if we should run autoheader
191 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
192 NO_FAIL=1 autotools_run_tool autoheader "$@"
193 }
194
195 # @FUNCTION: eautoconf
196 # @DESCRIPTION:
197 # Runs autoconf.
198 eautoconf() {
199 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
200 echo
201 eerror "No configure.{ac,in} present in '${PWD}'!"
202 echo
203 die "No configure.{ac,in} present!"
204 fi
205
206 autotools_run_tool autoconf "$@"
207 }
208
209 # @FUNCTION: eautomake
210 # @DESCRIPTION:
211 # Runs automake.
212 eautomake() {
213 local extra_opts
214 local makefile_name
215
216 if [[ -f GNUmakefile.am ]]; then
217 makefile_name="GNUmakefile"
218 elif [[ -f Makefile.am ]]; then
219 makefile_name="Makefile"
220 else
221 return 0
222 fi
223
224 if [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name}.in ]]; then
225 local used_automake
226 local installed_automake
227
228 installed_automake=$(WANT_AUTOMAKE= automake --version | head -n 1 | \
229 sed -e 's:.*(GNU automake) ::')
230 used_automake=$(head -n 1 < ${makefile_name}.in | \
231 sed -e 's:.*by automake \(.*\) from .*:\1:')
232
233 if [[ ${installed_automake} != ${used_automake} ]]; then
234 einfo "Automake used for the package (${used_automake}) differs from"
235 einfo "the installed version (${installed_automake})."
236 eautoreconf
237 return 0
238 fi
239 fi
240
241 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
242 || extra_opts="${extra_opts} --foreign"
243
244 # --force-missing seems not to be recognized by some flavours of automake
245 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
246 }
247
248 # @FUNCTION: eautopoint
249 # @DESCRIPTION:
250 # Runs autopoint (from the gettext package).
251 eautopoint() {
252 autotools_run_tool autopoint "$@"
253 }
254
255 # Internal function to run an autotools' tool
256 autotools_run_tool() {
257 if [[ ${EBUILD_PHASE} != "unpack" && ${EBUILD_PHASE} != "prepare" ]]; then
258 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
259 fi
260
261 # We do the “latest” → version switch here because it solves
262 # possible order problems, see bug #270010 as an example.
263 [[ ${WANT_AUTOMAKE} == "latest" ]] && export WANT_AUTOMAKE=1.10
264 [[ ${WANT_AUTOCONF} == "latest" ]] && export WANT_AUTOCONF=2.5
265
266 local STDERR_TARGET="${T}/$1.out"
267 # most of the time, there will only be one run, but if there are
268 # more, make sure we get unique log filenames
269 if [[ -e ${STDERR_TARGET} ]] ; then
270 STDERR_TARGET="${T}/$1-$$.out"
271 fi
272
273 printf "***** $1 *****\n***** PWD: ${PWD}\n***** $*\n\n" > "${STDERR_TARGET}"
274
275 ebegin "Running $@"
276 "$@" >> "${STDERR_TARGET}" 2>&1
277 eend $?
278
279 if [[ $? != 0 && ${NO_FAIL} != 1 ]] ; then
280 echo
281 eerror "Failed Running $1 !"
282 eerror
283 eerror "Include in your bugreport the contents of:"
284 eerror
285 eerror " ${STDERR_TARGET}"
286 echo
287 die "Failed Running $1 !"
288 fi
289 }
290
291 # Internal function to check for support
292 autotools_check_macro() {
293 [[ -f configure.ac || -f configure.in ]] || return 0
294 local macro
295 for macro ; do
296 WANT_AUTOCONF="2.5" autoconf --trace="${macro}" 2>/dev/null
297 done
298 return 0
299 }
300
301 # Internal function to get additional subdirs to configure
302 autotools_get_subdirs() {
303 local subdirs_scan_out
304
305 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
306 [[ -n ${subdirs_scan_out} ]] || return 0
307
308 echo "${subdirs_scan_out}" | gawk \
309 '($0 !~ /^[[:space:]]*(#|dnl)/) {
310 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
311 print res[1]
312 }' | uniq
313
314 return 0
315 }
316
317 autotools_get_auxdir() {
318 local auxdir_scan_out
319
320 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
321 [[ -n ${auxdir_scan_out} ]] || return 0
322
323 echo ${auxdir_scan_out} | gawk \
324 '($0 !~ /^[[:space:]]*(#|dnl)/) {
325 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
326 print res[1]
327 }' | uniq
328
329 return 0
330 }

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