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1#!/bin/sh
2#***************************************************************************
3#                                  _   _ ____  _
4#  Project                     ___| | | |  _ \| |
5#                             / __| | | | |_) | |
6#                            | (__| |_| |  _ <| |___
7#                             \___|\___/|_| \_\_____|
8#
9# Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
10#
11# This software is licensed as described in the file COPYING, which
12# you should have received as part of this distribution. The terms
13# are also available at https://curl.haxx.se/docs/copyright.html.
14#
15# You may opt to use, copy, modify, merge, publish, distribute and/or sell
16# copies of the Software, and permit persons to whom the Software is
17# furnished to do so, under the terms of the COPYING file.
18#
19# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20# KIND, either express or implied.
21#
22###########################################################################
23
24#--------------------------------------------------------------------------
25# die prints argument string to stdout and exits this shell script.
26#
27die(){
28  echo "buildconf: $@"
29  exit 1
30}
31
32#--------------------------------------------------------------------------
33# findtool works as 'which' but we use a different name to make it more
34# obvious we aren't using 'which'! ;-)
35# Unlike 'which' does, the current directory is ignored.
36#
37findtool(){
38  file="$1"
39
40  if { echo "$file" | grep "/" >/dev/null 2>&1; } then
41    # when file is given with a path check it first
42    if test -f "$file"; then
43      echo "$file"
44      return
45    fi
46  fi
47
48  old_IFS=$IFS; IFS=':'
49  for path in $PATH
50  do
51    IFS=$old_IFS
52    # echo "checks for $file in $path" >&2
53    if test "$path" -a "$path" != '.' -a -f "$path/$file"; then
54      echo "$path/$file"
55      return
56    fi
57  done
58  IFS=$old_IFS
59}
60
61#--------------------------------------------------------------------------
62# removethis() removes all files and subdirectories with the given name,
63# inside and below the current subdirectory at invocation time.
64#
65removethis(){
66  if test "$#" = "1"; then
67    find . -depth -name $1 -print > buildconf.tmp.$$
68    while read fdname
69    do
70      if test -f "$fdname"; then
71        rm -f "$fdname"
72      elif test -d "$fdname"; then
73        rm -f -r "$fdname"
74      fi
75    done < buildconf.tmp.$$
76    rm -f buildconf.tmp.$$
77  fi
78}
79
80#--------------------------------------------------------------------------
81# Ensure that buildconf runs from the subdirectory where configure.ac lives
82#
83if test ! -f configure.ac ||
84  test ! -f src/tool_main.c ||
85  test ! -f lib/urldata.h ||
86  test ! -f include/curl/curl.h ||
87  test ! -f m4/curl-functions.m4; then
88  echo "Can not run buildconf from outside of curl's source subdirectory!"
89  echo "Change to the subdirectory where buildconf is found, and try again."
90  exit 1
91fi
92
93#--------------------------------------------------------------------------
94# autoconf 2.57 or newer. Unpatched version 2.67 does not generate proper
95# configure script. Unpatched version 2.68 is simply unusable, we should
96# disallow 2.68 usage.
97#
98need_autoconf="2.57"
99ac_version=`${AUTOCONF:-autoconf} --version 2>/dev/null|head -n 1| sed -e 's/^[^0-9]*//' -e 's/[a-z]* *$//'`
100if test -z "$ac_version"; then
101  echo "buildconf: autoconf not found."
102  echo "            You need autoconf version $need_autoconf or newer installed."
103  exit 1
104fi
105old_IFS=$IFS; IFS='.'; set $ac_version; IFS=$old_IFS
106if test "$1" = "2" -a "$2" -lt "57" || test "$1" -lt "2"; then
107  echo "buildconf: autoconf version $ac_version found."
108  echo "            You need autoconf version $need_autoconf or newer installed."
109  echo "            If you have a sufficient autoconf installed, but it"
110  echo "            is not named 'autoconf', then try setting the"
111  echo "            AUTOCONF environment variable."
112  exit 1
113fi
114
115if test "$1" = "2" -a "$2" -eq "67"; then
116  echo "buildconf: autoconf version $ac_version (BAD)"
117  echo "            Unpatched version generates broken configure script."
118elif test "$1" = "2" -a "$2" -eq "68"; then
119  echo "buildconf: autoconf version $ac_version (BAD)"
120  echo "            Unpatched version generates unusable configure script."
121else
122  echo "buildconf: autoconf version $ac_version (ok)"
123fi
124
125am4te_version=`${AUTOM4TE:-autom4te} --version 2>/dev/null|head -n 1| sed -e 's/autom4te\(.*\)/\1/' -e 's/^[^0-9]*//' -e 's/[a-z]* *$//'`
126if test -z "$am4te_version"; then
127  echo "buildconf: autom4te not found. Weird autoconf installation!"
128  exit 1
129fi
130if test "$am4te_version" = "$ac_version"; then
131  echo "buildconf: autom4te version $am4te_version (ok)"
132else
133  echo "buildconf: autom4te version $am4te_version (ERROR: does not match autoconf version)"
134  exit 1
135fi
136
137#--------------------------------------------------------------------------
138# autoheader 2.50 or newer
139#
140ah_version=`${AUTOHEADER:-autoheader} --version 2>/dev/null|head -n 1| sed -e 's/^[^0-9]*//' -e 's/[a-z]* *$//'`
141if test -z "$ah_version"; then
142  echo "buildconf: autoheader not found."
143  echo "            You need autoheader version 2.50 or newer installed."
144  exit 1
145fi
146old_IFS=$IFS; IFS='.'; set $ah_version; IFS=$old_IFS
147if test "$1" = "2" -a "$2" -lt "50" || test "$1" -lt "2"; then
148  echo "buildconf: autoheader version $ah_version found."
149  echo "            You need autoheader version 2.50 or newer installed."
150  echo "            If you have a sufficient autoheader installed, but it"
151  echo "            is not named 'autoheader', then try setting the"
152  echo "            AUTOHEADER environment variable."
153  exit 1
154fi
155
156echo "buildconf: autoheader version $ah_version (ok)"
157
158#--------------------------------------------------------------------------
159# automake 1.7 or newer
160#
161need_automake="1.7"
162am_version=`${AUTOMAKE:-automake} --version 2>/dev/null|head -n 1| sed -e 's/^.* \([0-9]\)/\1/' -e 's/[a-z]* *$//' -e 's/\(.*\)\(-p.*\)/\1/'`
163if test -z "$am_version"; then
164  echo "buildconf: automake not found."
165  echo "            You need automake version $need_automake or newer installed."
166  exit 1
167fi
168old_IFS=$IFS; IFS='.'; set $am_version; IFS=$old_IFS
169if test "$1" = "1" -a "$2" -lt "7" || test "$1" -lt "1"; then
170  echo "buildconf: automake version $am_version found."
171  echo "            You need automake version $need_automake or newer installed."
172  echo "            If you have a sufficient automake installed, but it"
173  echo "            is not named 'automake', then try setting the"
174  echo "            AUTOMAKE environment variable."
175  exit 1
176fi
177
178echo "buildconf: automake version $am_version (ok)"
179
180acloc_version=`${ACLOCAL:-aclocal} --version 2>/dev/null|head -n 1| sed -e 's/^.* \([0-9]\)/\1/' -e 's/[a-z]* *$//' -e 's/\(.*\)\(-p.*\)/\1/'`
181if test -z "$acloc_version"; then
182  echo "buildconf: aclocal not found. Weird automake installation!"
183  exit 1
184fi
185if test "$acloc_version" = "$am_version"; then
186  echo "buildconf: aclocal version $acloc_version (ok)"
187else
188  echo "buildconf: aclocal version $acloc_version (ERROR: does not match automake version)"
189  exit 1
190fi
191
192#--------------------------------------------------------------------------
193# GNU libtoolize preliminary check
194#
195want_lt_major=1
196want_lt_minor=4
197want_lt_patch=2
198want_lt_version=1.4.2
199
200# This approach that tries 'glibtoolize' first is intended for systems that
201# have GNU libtool named as 'glibtoolize' and libtoolize not being GNU's.
202
203libtoolize=`findtool glibtoolize 2>/dev/null`
204if test ! -x "$libtoolize"; then
205  libtoolize=`findtool ${LIBTOOLIZE:-libtoolize}`
206fi
207if test -z "$libtoolize"; then
208  echo "buildconf: libtoolize not found."
209  echo "  You need GNU libtoolize $want_lt_version or newer installed."
210  exit 1
211fi
212
213lt_pver=`$libtoolize --version 2>/dev/null|head -n 1`
214lt_qver=`echo $lt_pver|sed -e "s/([^)]*)//g" -e "s/^[^0-9]*//g"`
215lt_version=`echo $lt_qver|sed -e "s/[- ].*//" -e "s/\([a-z]*\)$//"`
216if test -z "$lt_version"; then
217  echo "buildconf: libtoolize not found."
218  echo "  You need GNU libtoolize $want_lt_version or newer installed."
219  exit 1
220fi
221old_IFS=$IFS; IFS='.'; set $lt_version; IFS=$old_IFS
222lt_major=$1
223lt_minor=$2
224lt_patch=$3
225
226if test -z "$lt_major"; then
227  lt_status="bad"
228elif test "$lt_major" -gt "$want_lt_major"; then
229  lt_status="good"
230elif test "$lt_major" -lt "$want_lt_major"; then
231  lt_status="bad"
232elif test -z "$lt_minor"; then
233  lt_status="bad"
234elif test "$lt_minor" -gt "$want_lt_minor"; then
235  lt_status="good"
236elif test "$lt_minor" -lt "$want_lt_minor"; then
237  lt_status="bad"
238elif test -z "$lt_patch"; then
239  lt_status="bad"
240elif test "$lt_patch" -gt "$want_lt_patch"; then
241  lt_status="good"
242elif test "$lt_patch" -lt "$want_lt_patch"; then
243  lt_status="bad"
244else
245  lt_status="good"
246fi
247if test "$lt_status" != "good"; then
248  echo "buildconf: libtoolize version $lt_version found."
249  echo "  You need GNU libtoolize $want_lt_version or newer installed."
250  exit 1
251fi
252
253echo "buildconf: libtoolize version $lt_version (ok)"
254
255#--------------------------------------------------------------------------
256# m4 check
257#
258m4=`(${M4:-m4} --version 0<&- || ${M4:-gm4} --version) 2>/dev/null 0<&- | head -n 1`;
259m4_version=`echo $m4 | sed -e 's/^.* \([0-9]\)/\1/' -e 's/[a-z]* *$//'`
260
261if { echo $m4 | grep "GNU" >/dev/null 2>&1; } then
262  echo "buildconf: GNU m4 version $m4_version (ok)"
263else
264  if test -z "$m4"; then
265    echo "buildconf: m4 version not recognized. You need a GNU m4 installed!"
266  else
267    echo "buildconf: m4 version $m4 found. You need a GNU m4 installed!"
268  fi
269  exit 1
270fi
271
272#--------------------------------------------------------------------------
273# perl check
274#
275PERL=`findtool ${PERL:-perl}`
276if test -z "$PERL"; then
277  echo "buildconf: perl not found"
278  exit 1
279fi
280
281#--------------------------------------------------------------------------
282# Remove files generated on previous buildconf/configure run.
283#
284for fname in .deps \
285    .libs \
286    *.la \
287    *.lo \
288    *.a \
289    *.o \
290    Makefile \
291    Makefile.in \
292    aclocal.m4 \
293    aclocal.m4.bak \
294    ares_build.h \
295    ares_config.h \
296    ares_config.h.in \
297    autom4te.cache \
298    compile \
299    config.guess \
300    curl_config.h \
301    curl_config.h.in \
302    config.log \
303    config.lt \
304    config.status \
305    config.sub \
306    configure \
307    configurehelp.pm \
308    curl-config \
309    depcomp \
310    libcares.pc \
311    libcurl.pc \
312    libtool \
313    libtool.m4 \
314    libtool.m4.tmp \
315    ltmain.sh \
316    ltoptions.m4 \
317    ltsugar.m4 \
318    ltversion.m4 \
319    lt~obsolete.m4 \
320    missing \
321    install-sh \
322    stamp-h1 \
323    stamp-h2 \
324    stamp-h3 ; do
325  removethis "$fname"
326done
327
328#--------------------------------------------------------------------------
329# run the correct scripts now
330#
331
332echo "buildconf: running libtoolize"
333${libtoolize} --copy --force || die "libtoolize command failed"
334
335# When using libtool 1.5.X (X < 26) we copy libtool.m4 to our local m4
336# subdirectory and this local copy is patched to fix some warnings that
337# are triggered when running aclocal and using autoconf 2.62 or later.
338
339if test "$lt_major" = "1" && test "$lt_minor" = "5"; then
340  if test -z "$lt_patch" || test "$lt_patch" -lt "26"; then
341    echo "buildconf: copying libtool.m4 to local m4 subdir"
342    ac_dir=`${ACLOCAL:-aclocal} --print-ac-dir`
343    if test -f $ac_dir/libtool.m4; then
344      cp -f $ac_dir/libtool.m4 m4/libtool.m4
345    else
346      echo "buildconf: $ac_dir/libtool.m4 not found"
347    fi
348    if test -f m4/libtool.m4; then
349      echo "buildconf: renaming some variables in local m4/libtool.m4"
350      $PERL -i.tmp -pe \
351        's/lt_prog_compiler_pic_works/lt_cv_prog_compiler_pic_works/g; \
352         s/lt_prog_compiler_static_works/lt_cv_prog_compiler_static_works/g;' \
353        m4/libtool.m4
354      rm -f m4/libtool.m4.tmp
355    fi
356  fi
357fi
358
359if test -f m4/libtool.m4; then
360  echo "buildconf: converting all mv to mv -f in local m4/libtool.m4"
361  $PERL -i.tmp -pe 's/\bmv +([^-\s])/mv -f $1/g' m4/libtool.m4
362  rm -f m4/libtool.m4.tmp
363fi
364
365echo "buildconf: running aclocal"
366${ACLOCAL:-aclocal} -I m4 $ACLOCAL_FLAGS || die "aclocal command failed"
367
368echo "buildconf: converting all mv to mv -f in local aclocal.m4"
369$PERL -i.bak -pe 's/\bmv +([^-\s])/mv -f $1/g' aclocal.m4
370
371echo "buildconf: running autoheader"
372${AUTOHEADER:-autoheader} || die "autoheader command failed"
373
374echo "buildconf: running autoconf"
375${AUTOCONF:-autoconf} || die "autoconf command failed"
376
377if test -d ares; then
378  cd ares
379  echo "buildconf: running in ares"
380  ./buildconf
381  cd ..
382fi
383
384echo "buildconf: running automake"
385${AUTOMAKE:-automake} --add-missing --copy || die "automake command failed"
386
387#--------------------------------------------------------------------------
388# GNU libtool complementary check
389#
390# Depending on the libtool and automake versions being used, config.guess
391# might not be installed in the subdirectory until automake has finished.
392# So we can not attempt to use it until this very last buildconf stage.
393#
394if test ! -f ./config.guess; then
395  echo "buildconf: config.guess not found"
396else
397  buildhost=`./config.guess 2>/dev/null|head -n 1`
398  case $buildhost in
399    *-*-darwin*)
400      need_lt_major=1
401      need_lt_minor=5
402      need_lt_patch=26
403      need_lt_check="yes"
404      ;;
405    *-*-hpux*)
406      need_lt_major=1
407      need_lt_minor=5
408      need_lt_patch=24
409      need_lt_check="yes"
410      ;;
411  esac
412  if test ! -z "$need_lt_check"; then
413    if test -z "$lt_major"; then
414      lt_status="bad"
415    elif test "$lt_major" -gt "$need_lt_major"; then
416      lt_status="good"
417    elif test "$lt_major" -lt "$need_lt_major"; then
418      lt_status="bad"
419    elif test -z "$lt_minor"; then
420      lt_status="bad"
421    elif test "$lt_minor" -gt "$need_lt_minor"; then
422      lt_status="good"
423    elif test "$lt_minor" -lt "$need_lt_minor"; then
424      lt_status="bad"
425    elif test -z "$lt_patch"; then
426      lt_status="bad"
427    elif test "$lt_patch" -gt "$need_lt_patch"; then
428      lt_status="good"
429    elif test "$lt_patch" -lt "$need_lt_patch"; then
430      lt_status="bad"
431    else
432      lt_status="good"
433    fi
434    if test "$lt_status" != "good"; then
435      need_lt_version="$need_lt_major.$need_lt_minor.$need_lt_patch"
436      echo "buildconf: libtool version $lt_version found."
437      echo "            $buildhost requires GNU libtool $need_lt_version or newer installed."
438      rm -f configure
439      exit 1
440    fi
441  fi
442fi
443
444#--------------------------------------------------------------------------
445# Finished successfully.
446#
447echo "buildconf: OK"
448exit 0
449