/[gentoo-x86]/eclass/autotools.eclass
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Revision 1.78 - (show annotations) (download)
Thu Jul 31 19:13:57 2008 UTC (5 years, 11 months ago) by darkside
Branch: MAIN
Changes since 1.77: +4 -1 lines
Add check to autotools.eclass to make sure eautoreconf doesn't get ran more than once, bug #232820

1 # Copyright 1999-2008 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/autotools.eclass,v 1.77 2008/06/09 09:09:58 vapier 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 ${WANT_AUTOMAKE} in
31 none) _automake_atom="" ;; # some packages don't require automake at all
32 latest) _automake_atom="=sys-devel/automake-1.10*" ;;
33 *) _automake_atom="=sys-devel/automake-${WANT_AUTOMAKE}*" ;;
34 esac
35 [[ ${WANT_AUTOMAKE} == "latest" ]] && WANT_AUTOMAKE="1.10"
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 latest|2.5) _autoconf_atom=">=sys-devel/autoconf-2.61" ;;
44 *) _autoconf_atom="INCORRECT-WANT_AUTOCONF-SETTING-IN-EBUILD" ;;
45 esac
46 [[ ${WANT_AUTOCONF} == "latest" ]] && WANT_AUTOCONF="2.5"
47 export WANT_AUTOCONF
48 fi
49 DEPEND="${_automake_atom}
50 ${_autoconf_atom}
51 sys-devel/libtool"
52 RDEPEND=""
53 unset _automake_atom _autoconf_atom
54
55 # @ECLASS-VARIABLE: AM_OPTS
56 # @DESCRIPTION:
57 # Additional options to pass to automake during
58 # eautoreconf call.
59
60 # @ECLASS-VARIABLE: AT_NOELIBTOOLIZE
61 # @DESCRIPTION:
62 # Don't run elibtoolize command if set to 'yes',
63 # useful when elibtoolize needs to be ran with
64 # particular options
65
66 # XXX: M4DIR should be deprecated
67 # @ECLASS-VARIABLE: AT_M4DIR
68 # @DESCRIPTION:
69 # Additional director(y|ies) aclocal should search
70 AT_M4DIR=${AT_M4DIR:-${M4DIR}}
71 AT_GNUCONF_UPDATE="no"
72
73
74 # @FUNCTION: eautoreconf
75 # @DESCRIPTION:
76 # This function mimes the behavior of autoreconf, but uses the different
77 # eauto* functions to run the tools. It doesn't accept parameters, but
78 # the directory with include files can be specified with AT_M4DIR variable.
79 #
80 # Should do a full autoreconf - normally what most people will be interested in.
81 # Also should handle additional directories specified by AC_CONFIG_SUBDIRS.
82 eautoreconf() {
83 local pwd=$(pwd) x auxdir
84
85 [[ -f .eautoreconfd ]] && einfo "eautoreconf already ran, skipping" && return 0
86 touch .eautoreconfd
87
88 if [[ -z ${AT_NO_RECURSIVE} ]]; then
89 # Take care of subdirs
90 for x in $(autotools_get_subdirs); do
91 if [[ -d ${x} ]] ; then
92 cd "${x}"
93 AT_NOELIBTOOLIZE="yes" eautoreconf
94 cd "${pwd}"
95 fi
96 done
97 fi
98
99 auxdir=$(autotools_get_auxdir)
100
101 einfo "Running eautoreconf in '$(pwd)' ..."
102 [[ -n ${auxdir} ]] && mkdir -p ${auxdir}
103 eaclocal
104 if ${LIBTOOLIZE:-libtoolize} -n --install >& /dev/null ; then
105 _elibtoolize --copy --force --install
106 else
107 _elibtoolize --copy --force
108 fi
109 eautoconf
110 eautoheader
111 FROM_EAUTORECONF="yes" eautomake ${AM_OPTS}
112
113 [[ ${AT_NOELIBTOOLIZE} == "yes" ]] && return 0
114
115 # Call it here to prevent failures due to elibtoolize called _before_
116 # eautoreconf.
117 elibtoolize
118
119 return 0
120 }
121
122 # @FUNCTION: eaclocal
123 # @DESCRIPTION:
124 # These functions runs the autotools using autotools_run_tool with the
125 # specified parametes. The name of the tool run is the same of the function
126 # without e prefix.
127 # They also force installing the support files for safety.
128 # Respects AT_M4DIR for additional directories to search for macro's.
129 eaclocal() {
130 local aclocal_opts
131
132 local amflags_file
133 for amflags_file in GNUmakefile.am Makefile.am GNUmakefile.in Makefile.in ; do
134 [[ -e ${amflags_file} ]] || continue
135 aclocal_opts=$(sed -n '/^ACLOCAL_AMFLAGS[[:space:]]*=/s:[^=]*=::p' ${amflags_file})
136 eval aclocal_opts=\"${aclocal_opts}\"
137 break
138 done
139
140 if [[ -n ${AT_M4DIR} ]] ; then
141 for x in ${AT_M4DIR} ; do
142 case "${x}" in
143 "-I")
144 # We handle it below
145 ;;
146 *)
147 [[ ! -d ${x} ]] && ewarn "eaclocal: '${x}' does not exist"
148 aclocal_opts="${aclocal_opts} -I ${x}"
149 ;;
150 esac
151 done
152 fi
153
154 [[ ! -f aclocal.m4 || -n $(grep -e 'generated.*by aclocal' aclocal.m4) ]] && \
155 autotools_run_tool aclocal "$@" ${aclocal_opts}
156 }
157
158 # @FUNCTION: _elibtoolize
159 # @DESCRIPTION:
160 # Runs libtoolize. Note the '_' prefix .. to not collide with elibtoolize() from
161 # libtool.eclass.
162 _elibtoolize() {
163 local opts
164
165 # Check if we should run libtoolize (AM_PROG_LIBTOOL is an older macro,
166 # check for both it and the current AC_PROG_LIBTOOL)
167 [[ -n $(autotools_check_macro AC_PROG_LIBTOOL AM_PROG_LIBTOOL LT_INIT) ]] || return 0
168
169 [[ -f GNUmakefile.am || -f Makefile.am ]] && opts="--automake"
170
171 [[ "${USERLAND}" == "Darwin" ]] && LIBTOOLIZE="glibtoolize"
172 autotools_run_tool ${LIBTOOLIZE:-libtoolize} "$@" ${opts}
173
174 # Need to rerun aclocal
175 eaclocal
176 }
177
178 # @FUNCTION: eautoheader
179 # @DESCRIPTION:
180 # Runs autoheader.
181 eautoheader() {
182 # Check if we should run autoheader
183 [[ -n $(autotools_check_macro "AC_CONFIG_HEADERS") ]] || return 0
184 NO_FAIL=1 autotools_run_tool autoheader "$@"
185 }
186
187 # @FUNCTION: eautoconf
188 # @DESCRIPTION:
189 # Runs autoconf.
190 eautoconf() {
191 if [[ ! -f configure.ac && ! -f configure.in ]] ; then
192 echo
193 eerror "No configure.{ac,in} present in '$(pwd | sed -e 's:.*/::')'!"
194 echo
195 die "No configure.{ac,in} present!"
196 fi
197
198 autotools_run_tool autoconf "$@"
199 }
200
201 # @FUNCTION: eautomake
202 # @DESCRIPTION:
203 # Runs automake.
204 eautomake() {
205 local extra_opts
206 local makefile_name
207
208 if [[ -f GNUmakefile.am ]]; then
209 makefile_name="GNUmakefile"
210 elif [[ -f Makefile.am ]]; then
211 makefile_name="Makefile"
212 else
213 return 0
214 fi
215
216 if [[ -z ${FROM_EAUTORECONF} && -f ${makefile_name}.in ]]; then
217 local used_automake
218 local installed_automake
219
220 installed_automake=$(automake --version | head -n 1 | \
221 sed -e 's:.*(GNU automake) ::')
222 used_automake=$(head -n 1 < ${makefile_name}.in | \
223 sed -e 's:.*by automake \(.*\) from .*:\1:')
224
225 if [[ ${installed_automake} != ${used_automake} ]]; then
226 einfo "Automake used for the package (${used_automake}) differs from"
227 einfo "the installed version (${installed_automake})."
228 eautoreconf
229 return 0
230 fi
231 fi
232
233 [[ -f INSTALL && -f AUTHORS && -f ChangeLog && -f NEWS ]] \
234 || extra_opts="${extra_opts} --foreign"
235
236 # --force-missing seems not to be recognized by some flavours of automake
237 autotools_run_tool automake --add-missing --copy ${extra_opts} "$@"
238 }
239
240 # Internal function to run an autotools' tool
241 autotools_run_tool() {
242 if [[ ${EBUILD_PHASE} != "unpack" ]]; then
243 ewarn "QA Warning: running $1 in ${EBUILD_PHASE} phase"
244 fi
245
246 local STDERR_TARGET="${T}/$$.out"
247 local ris
248
249 printf "***** $1 *****\n***** $*\n\n" > "${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}"
250
251 ebegin "Running $@"
252 "$@" >> "${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}" 2>&1
253 ris=$?
254 eend ${ris}
255
256 if [[ ${ris} != 0 && ${NO_FAIL} != 1 ]]; then
257 echo
258 eerror "Failed Running $1 !"
259 eerror
260 eerror "Include in your bugreport the contents of:"
261 eerror
262 eerror " ${STDERR_TARGET%/*}/$1-${STDERR_TARGET##*/}"
263 echo
264 die "Failed Running $1 !"
265 fi
266 }
267
268 # Internal function to check for support
269 autotools_check_macro() {
270 [[ -f configure.ac || -f configure.in ]] || return 0
271 local macro
272 for macro ; do
273 WANT_AUTOCONF="2.5" autoconf --trace="${macro}" 2>/dev/null
274 done
275 return 0
276 }
277
278 # Internal function to get additional subdirs to configure
279 autotools_get_subdirs() {
280 local subdirs_scan_out
281
282 subdirs_scan_out=$(autotools_check_macro "AC_CONFIG_SUBDIRS")
283 [[ -n ${subdirs_scan_out} ]] || return 0
284
285 echo "${subdirs_scan_out}" | gawk \
286 '($0 !~ /^[[:space:]]*(#|dnl)/) {
287 if (match($0, /AC_CONFIG_SUBDIRS:(.*)$/, res))
288 print res[1]
289 }' | uniq
290
291 return 0
292 }
293
294 autotools_get_auxdir() {
295 local auxdir_scan_out
296
297 auxdir_scan_out=$(autotools_check_macro "AC_CONFIG_AUX_DIR")
298 [[ -n ${auxdir_scan_out} ]] || return 0
299
300 echo ${auxdir_scan_out} | gawk \
301 '($0 !~ /^[[:space:]]*(#|dnl)/) {
302 if (match($0, /AC_CONFIG_AUX_DIR:(.*)$/, res))
303 print res[1]
304 }' | uniq
305
306 return 0
307 }

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