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1 # generated automatically by aclocal 1.11.1 -*- Autoconf -*-
2
3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
8
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
12 # PARTICULAR PURPOSE.
13
14 m4_ifndef([AC_AUTOCONF_VERSION],
15 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
16 m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.66],,
17 [m4_warning([this file was generated for autoconf 2.66.
18 You have another version of autoconf. It may work, but is not guaranteed to.
19 If you have problems, you may need to regenerate the build system entirely.
20 To do so, use the procedure documented by the package, typically `autoreconf'.])])
21
22 # pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
23 # serial 1 (pkg-config-0.24)
24 #
25 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
26 #
27 # This program is free software; you can redistribute it and/or modify
28 # it under the terms of the GNU General Public License as published by
29 # the Free Software Foundation; either version 2 of the License, or
30 # (at your option) any later version.
31 #
32 # This program is distributed in the hope that it will be useful, but
33 # WITHOUT ANY WARRANTY; without even the implied warranty of
34 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
35 # General Public License for more details.
36 #
37 # You should have received a copy of the GNU General Public License
38 # along with this program; if not, write to the Free Software
39 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
40 #
41 # As a special exception to the GNU General Public License, if you
42 # distribute this file as part of a program that contains a
43 # configuration script generated by Autoconf, you may include it under
44 # the same distribution terms that you use for the rest of that program.
45
46 # PKG_PROG_PKG_CONFIG([MIN-VERSION])
47 # ----------------------------------
48 AC_DEFUN([PKG_PROG_PKG_CONFIG],
49 [m4_pattern_forbid([^_?PKG_[A-Z_]+$])
50 m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
51 AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
52 AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
53 AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
54
55 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
56 AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
57 fi
58 if test -n "$PKG_CONFIG"; then
59 _pkg_min_version=m4_default([$1], [0.9.0])
60 AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
61 if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
62 AC_MSG_RESULT([yes])
63 else
64 AC_MSG_RESULT([no])
65 PKG_CONFIG=""
66 fi
67 fi[]dnl
68 ])# PKG_PROG_PKG_CONFIG
69
70 # PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
71 #
72 # Check to see whether a particular set of modules exists. Similar
73 # to PKG_CHECK_MODULES(), but does not set variables or print errors.
74 #
75 # Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
76 # only at the first occurence in configure.ac, so if the first place
77 # it's called might be skipped (such as if it is within an "if", you
78 # have to call PKG_CHECK_EXISTS manually
79 # --------------------------------------------------------------
80 AC_DEFUN([PKG_CHECK_EXISTS],
81 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
82 if test -n "$PKG_CONFIG" && \
83 AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
84 m4_default([$2], [:])
85 m4_ifvaln([$3], [else
86 $3])dnl
87 fi])
88
89 # _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
90 # ---------------------------------------------
91 m4_define([_PKG_CONFIG],
92 [if test -n "$$1"; then
93 pkg_cv_[]$1="$$1"
94 elif test -n "$PKG_CONFIG"; then
95 PKG_CHECK_EXISTS([$3],
96 [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
97 [pkg_failed=yes])
98 else
99 pkg_failed=untried
100 fi[]dnl
101 ])# _PKG_CONFIG
102
103 # _PKG_SHORT_ERRORS_SUPPORTED
104 # -----------------------------
105 AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
106 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])
107 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
108 _pkg_short_errors_supported=yes
109 else
110 _pkg_short_errors_supported=no
111 fi[]dnl
112 ])# _PKG_SHORT_ERRORS_SUPPORTED
113
114
115 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
116 # [ACTION-IF-NOT-FOUND])
117 #
118 #
119 # Note that if there is a possibility the first call to
120 # PKG_CHECK_MODULES might not happen, you should be sure to include an
121 # explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
122 #
123 #
124 # --------------------------------------------------------------
125 AC_DEFUN([PKG_CHECK_MODULES],
126 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
127 AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
128 AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
129
130 pkg_failed=no
131 AC_MSG_CHECKING([for $1])
132
133 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
134 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
135
136 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
137 and $1[]_LIBS to avoid the need to call pkg-config.
138 See the pkg-config man page for more details.])
139
140 if test $pkg_failed = yes; then
141 AC_MSG_RESULT([no])
142 _PKG_SHORT_ERRORS_SUPPORTED
143 if test $_pkg_short_errors_supported = yes; then
144 $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "$2" 2>&1`
145 else
146 $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors "$2" 2>&1`
147 fi
148 # Put the nasty error message in config.log where it belongs
149 echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
150
151 m4_default([$4], [AC_MSG_ERROR(
152 [Package requirements ($2) were not met:
153
154 $$1_PKG_ERRORS
155
156 Consider adjusting the PKG_CONFIG_PATH environment variable if you
157 installed software in a non-standard prefix.
158
159 _PKG_TEXT])
160 ])
161 elif test $pkg_failed = untried; then
162 AC_MSG_RESULT([no])
163 m4_default([$4], [AC_MSG_FAILURE(
164 [The pkg-config script could not be found or is too old. Make sure it
165 is in your PATH or set the PKG_CONFIG environment variable to the full
166 path to pkg-config.
167
168 _PKG_TEXT
169
170 To get pkg-config, see <http://pkg-config.freedesktop.org/>.])
171 ])
172 else
173 $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
174 $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
175 AC_MSG_RESULT([yes])
176 $3
177 fi[]dnl
178 ])# PKG_CHECK_MODULES
179
180 # Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
181 #
182 # This file is free software; the Free Software Foundation
183 # gives unlimited permission to copy and/or distribute it,
184 # with or without modifications, as long as this notice is preserved.
185
186 # AM_AUTOMAKE_VERSION(VERSION)
187 # ----------------------------
188 # Automake X.Y traces this macro to ensure aclocal.m4 has been
189 # generated from the m4 files accompanying Automake X.Y.
190 # (This private macro should not be called outside this file.)
191 AC_DEFUN([AM_AUTOMAKE_VERSION],
192 [am__api_version='1.11'
193 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
194 dnl require some minimum version. Point them to the right macro.
195 m4_if([$1], [1.11.1], [],
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199 # _AM_AUTOCONF_VERSION(VERSION)
200 # -----------------------------
201 # aclocal traces this macro to find the Autoconf version.
202 # This is a private macro too. Using m4_define simplifies
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204 m4_define([_AM_AUTOCONF_VERSION], [])
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206 # AM_SET_CURRENT_AUTOMAKE_VERSION
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209 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
210 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
211 [AM_AUTOMAKE_VERSION([1.11.1])dnl
212 m4_ifndef([AC_AUTOCONF_VERSION],
213 [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
214 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
215
216 # AM_AUX_DIR_EXPAND -*- Autoconf -*-
217
218 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
219 #
220 # This file is free software; the Free Software Foundation
221 # gives unlimited permission to copy and/or distribute it,
222 # with or without modifications, as long as this notice is preserved.
223
224 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
225 # $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
226 # `$srcdir', `$srcdir/..', or `$srcdir/../..'.
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229 # tool from the auxiliary directory. The problem is that $srcdir (and
230 # therefore $ac_aux_dir as well) can be either absolute or relative,
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235 #
236 # $ac_aux_dir/missing
237 # fails when called from a subdirectory if $ac_aux_dir is relative
238 # $top_srcdir/$ac_aux_dir/missing
239 # fails if $ac_aux_dir is absolute,
240 # fails when called from a subdirectory in a VPATH build with
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246 # start a VPATH build or use an absolute $srcdir.
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255 # However there are other variables, like CC, which are often used in
256 # configure, and could therefore not use this "fixed" $ac_aux_dir.
257 #
258 # Another solution, used here, is to always expand $ac_aux_dir to an
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262 AC_DEFUN([AM_AUX_DIR_EXPAND],
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268
269 # AM_CONDITIONAL -*- Autoconf -*-
270
271 # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
272 # Free Software Foundation, Inc.
273 #
274 # This file is free software; the Free Software Foundation
275 # gives unlimited permission to copy and/or distribute it,
276 # with or without modifications, as long as this notice is preserved.
277
278 # serial 9
279
280 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
281 # -------------------------------------
282 # Define a conditional.
283 AC_DEFUN([AM_CONDITIONAL],
284 [AC_PREREQ(2.52)dnl
285 ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
286 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
287 AC_SUBST([$1_TRUE])dnl
288 AC_SUBST([$1_FALSE])dnl
289 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
290 _AM_SUBST_NOTMAKE([$1_FALSE])dnl
291 m4_define([_AM_COND_VALUE_$1], [$2])dnl
292 if $2; then
293 $1_TRUE=
294 $1_FALSE='#'
295 else
296 $1_TRUE='#'
297 $1_FALSE=
298 fi
299 AC_CONFIG_COMMANDS_PRE(
300 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
301 AC_MSG_ERROR([[conditional "$1" was never defined.
302 Usually this means the macro was only invoked conditionally.]])
303 fi])])
304
305 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
306 # Free Software Foundation, Inc.
307 #
308 # This file is free software; the Free Software Foundation
309 # gives unlimited permission to copy and/or distribute it,
310 # with or without modifications, as long as this notice is preserved.
311
312 # serial 10
313
314 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
315 # written in clear, in which case automake, when reading aclocal.m4,
316 # will think it sees a *use*, and therefore will trigger all it's
317 # C support machinery. Also note that it means that autoscan, seeing
318 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
319
320
321 # _AM_DEPENDENCIES(NAME)
322 # ----------------------
323 # See how the compiler implements dependency checking.
324 # NAME is "CC", "CXX", "GCJ", or "OBJC".
325 # We try a few techniques and use that to set a single cache variable.
326 #
327 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
328 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
329 # dependency, and given that the user is not expected to run this macro,
330 # just rely on AC_PROG_CC.
331 AC_DEFUN([_AM_DEPENDENCIES],
332 [AC_REQUIRE([AM_SET_DEPDIR])dnl
333 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
334 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
335 AC_REQUIRE([AM_DEP_TRACK])dnl
336
337 ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
338 [$1], CXX, [depcc="$CXX" am_compiler_list=],
339 [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
340 [$1], UPC, [depcc="$UPC" am_compiler_list=],
341 [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
342 [depcc="$$1" am_compiler_list=])
343
344 AC_CACHE_CHECK([dependency style of $depcc],
345 [am_cv_$1_dependencies_compiler_type],
346 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
347 # We make a subdir and do the tests there. Otherwise we can end up
348 # making bogus files that we don't know about and never remove. For
349 # instance it was reported that on HP-UX the gcc test will end up
350 # making a dummy file named `D' -- because `-MD' means `put the output
351 # in D'.
352 mkdir conftest.dir
353 # Copy depcomp to subdir because otherwise we won't find it if we're
354 # using a relative directory.
355 cp "$am_depcomp" conftest.dir
356 cd conftest.dir
357 # We will build objects and dependencies in a subdirectory because
358 # it helps to detect inapplicable dependency modes. For instance
359 # both Tru64's cc and ICC support -MD to output dependencies as a
360 # side effect of compilation, but ICC will put the dependencies in
361 # the current directory while Tru64 will put them in the object
362 # directory.
363 mkdir sub
364
365 am_cv_$1_dependencies_compiler_type=none
366 if test "$am_compiler_list" = ""; then
367 am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
368 fi
369 am__universal=false
370 m4_case([$1], [CC],
371 [case " $depcc " in #(
372 *\ -arch\ *\ -arch\ *) am__universal=true ;;
373 esac],
374 [CXX],
375 [case " $depcc " in #(
376 *\ -arch\ *\ -arch\ *) am__universal=true ;;
377 esac])
378
379 for depmode in $am_compiler_list; do
380 # Setup a source with many dependencies, because some compilers
381 # like to wrap large dependency lists on column 80 (with \), and
382 # we should not choose a depcomp mode which is confused by this.
383 #
384 # We need to recreate these files for each test, as the compiler may
385 # overwrite some of them when testing with obscure command lines.
386 # This happens at least with the AIX C compiler.
387 : > sub/conftest.c
388 for i in 1 2 3 4 5 6; do
389 echo '#include "conftst'$i'.h"' >> sub/conftest.c
390 # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
391 # Solaris 8's {/usr,}/bin/sh.
392 touch sub/conftst$i.h
393 done
394 echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
395
396 # We check with `-c' and `-o' for the sake of the "dashmstdout"
397 # mode. It turns out that the SunPro C++ compiler does not properly
398 # handle `-M -o', and we need to detect this. Also, some Intel
399 # versions had trouble with output in subdirs
400 am__obj=sub/conftest.${OBJEXT-o}
401 am__minus_obj="-o $am__obj"
402 case $depmode in
403 gcc)
404 # This depmode causes a compiler race in universal mode.
405 test "$am__universal" = false || continue
406 ;;
407 nosideeffect)
408 # after this tag, mechanisms are not by side-effect, so they'll
409 # only be used when explicitly requested
410 if test "x$enable_dependency_tracking" = xyes; then
411 continue
412 else
413 break
414 fi
415 ;;
416 msvisualcpp | msvcmsys)
417 # This compiler won't grok `-c -o', but also, the minuso test has
418 # not run yet. These depmodes are late enough in the game, and
419 # so weak that their functioning should not be impacted.
420 am__obj=conftest.${OBJEXT-o}
421 am__minus_obj=
422 ;;
423 none) break ;;
424 esac
425 if depmode=$depmode \
426 source=sub/conftest.c object=$am__obj \
427 depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
428 $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
429 >/dev/null 2>conftest.err &&
430 grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
431 grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
432 grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
433 ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
434 # icc doesn't choke on unknown options, it will just issue warnings
435 # or remarks (even with -Werror). So we grep stderr for any message
436 # that says an option was ignored or not supported.
437 # When given -MP, icc 7.0 and 7.1 complain thusly:
438 # icc: Command line warning: ignoring option '-M'; no argument required
439 # The diagnosis changed in icc 8.0:
440 # icc: Command line remark: option '-MP' not supported
441 if (grep 'ignoring option' conftest.err ||
442 grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
443 am_cv_$1_dependencies_compiler_type=$depmode
444 break
445 fi
446 fi
447 done
448
449 cd ..
450 rm -rf conftest.dir
451 else
452 am_cv_$1_dependencies_compiler_type=none
453 fi
454 ])
455 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
456 AM_CONDITIONAL([am__fastdep$1], [
457 test "x$enable_dependency_tracking" != xno \
458 && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
459 ])
460
461
462 # AM_SET_DEPDIR
463 # -------------
464 # Choose a directory name for dependency files.
465 # This macro is AC_REQUIREd in _AM_DEPENDENCIES
466 AC_DEFUN([AM_SET_DEPDIR],
467 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
468 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
469 ])
470
471
472 # AM_DEP_TRACK
473 # ------------
474 AC_DEFUN([AM_DEP_TRACK],
475 [AC_ARG_ENABLE(dependency-tracking,
476 [ --disable-dependency-tracking speeds up one-time build
477 --enable-dependency-tracking do not reject slow dependency extractors])
478 if test "x$enable_dependency_tracking" != xno; then
479 am_depcomp="$ac_aux_dir/depcomp"
480 AMDEPBACKSLASH='\'
481 fi
482 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
483 AC_SUBST([AMDEPBACKSLASH])dnl
484 _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
485 ])
486
487 # Generate code to set up dependency tracking. -*- Autoconf -*-
488
489 # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
490 # Free Software Foundation, Inc.
491 #
492 # This file is free software; the Free Software Foundation
493 # gives unlimited permission to copy and/or distribute it,
494 # with or without modifications, as long as this notice is preserved.
495
496 #serial 5
497
498 # _AM_OUTPUT_DEPENDENCY_COMMANDS
499 # ------------------------------
500 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
501 [{
502 # Autoconf 2.62 quotes --file arguments for eval, but not when files
503 # are listed without --file. Let's play safe and only enable the eval
504 # if we detect the quoting.
505 case $CONFIG_FILES in
506 *\'*) eval set x "$CONFIG_FILES" ;;
507 *) set x $CONFIG_FILES ;;
508 esac
509 shift
510 for mf
511 do
512 # Strip MF so we end up with the name of the file.
513 mf=`echo "$mf" | sed -e 's/:.*$//'`
514 # Check whether this is an Automake generated Makefile or not.
515 # We used to match only the files named `Makefile.in', but
516 # some people rename them; so instead we look at the file content.
517 # Grep'ing the first line is not enough: some people post-process
518 # each Makefile.in and add a new line on top of each file to say so.
519 # Grep'ing the whole file is not good either: AIX grep has a line
520 # limit of 2048, but all sed's we know have understand at least 4000.
521 if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
522 dirpart=`AS_DIRNAME("$mf")`
523 else
524 continue
525 fi
526 # Extract the definition of DEPDIR, am__include, and am__quote
527 # from the Makefile without running `make'.
528 DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
529 test -z "$DEPDIR" && continue
530 am__include=`sed -n 's/^am__include = //p' < "$mf"`
531 test -z "am__include" && continue
532 am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
533 # When using ansi2knr, U may be empty or an underscore; expand it
534 U=`sed -n 's/^U = //p' < "$mf"`
535 # Find all dependency output files, they are included files with
536 # $(DEPDIR) in their names. We invoke sed twice because it is the
537 # simplest approach to changing $(DEPDIR) to its actual value in the
538 # expansion.
539 for file in `sed -n "
540 s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
541 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
542 # Make sure the directory exists.
543 test -f "$dirpart/$file" && continue
544 fdir=`AS_DIRNAME(["$file"])`
545 AS_MKDIR_P([$dirpart/$fdir])
546 # echo "creating $dirpart/$file"
547 echo '# dummy' > "$dirpart/$file"
548 done
549 done
550 }
551 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
552
553
554 # AM_OUTPUT_DEPENDENCY_COMMANDS
555 # -----------------------------
556 # This macro should only be invoked once -- use via AC_REQUIRE.
557 #
558 # This code is only required when automatic dependency tracking
559 # is enabled. FIXME. This creates each `.P' file that we will
560 # need in order to bootstrap the dependency handling code.
561 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
562 [AC_CONFIG_COMMANDS([depfiles],
563 [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
564 [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
565 ])
566
567 # Do all the work for Automake. -*- Autoconf -*-
568
569 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
570 # 2005, 2006, 2008, 2009 Free Software Foundation, Inc.
571 #
572 # This file is free software; the Free Software Foundation
573 # gives unlimited permission to copy and/or distribute it,
574 # with or without modifications, as long as this notice is preserved.
575
576 # serial 16
577
578 # This macro actually does too much. Some checks are only needed if
579 # your package does certain things. But this isn't really a big deal.
580
581 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
582 # AM_INIT_AUTOMAKE([OPTIONS])
583 # -----------------------------------------------
584 # The call with PACKAGE and VERSION arguments is the old style
585 # call (pre autoconf-2.50), which is being phased out. PACKAGE
586 # and VERSION should now be passed to AC_INIT and removed from
587 # the call to AM_INIT_AUTOMAKE.
588 # We support both call styles for the transition. After
589 # the next Automake release, Autoconf can make the AC_INIT
590 # arguments mandatory, and then we can depend on a new Autoconf
591 # release and drop the old call support.
592 AC_DEFUN([AM_INIT_AUTOMAKE],
593 [AC_PREREQ([2.62])dnl
594 dnl Autoconf wants to disallow AM_ names. We explicitly allow
595 dnl the ones we care about.
596 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
597 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
598 AC_REQUIRE([AC_PROG_INSTALL])dnl
599 if test "`cd $srcdir && pwd`" != "`pwd`"; then
600 # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
601 # is not polluted with repeated "-I."
602 AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
603 # test to see if srcdir already configured
604 if test -f $srcdir/config.status; then
605 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
606 fi
607 fi
608
609 # test whether we have cygpath
610 if test -z "$CYGPATH_W"; then
611 if (cygpath --version) >/dev/null 2>/dev/null; then
612 CYGPATH_W='cygpath -w'
613 else
614 CYGPATH_W=echo
615 fi
616 fi
617 AC_SUBST([CYGPATH_W])
618
619 # Define the identity of the package.
620 dnl Distinguish between old-style and new-style calls.
621 m4_ifval([$2],
622 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
623 AC_SUBST([PACKAGE], [$1])dnl
624 AC_SUBST([VERSION], [$2])],
625 [_AM_SET_OPTIONS([$1])dnl
626 dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
627 m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
628 [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
629 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
630 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
631
632 _AM_IF_OPTION([no-define],,
633 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
634 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
635
636 # Some tools Automake needs.
637 AC_REQUIRE([AM_SANITY_CHECK])dnl
638 AC_REQUIRE([AC_ARG_PROGRAM])dnl
639 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
640 AM_MISSING_PROG(AUTOCONF, autoconf)
641 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
642 AM_MISSING_PROG(AUTOHEADER, autoheader)
643 AM_MISSING_PROG(MAKEINFO, makeinfo)
644 AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
645 AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
646 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
647 # We need awk for the "check" target. The system "awk" is bad on
648 # some platforms.
649 AC_REQUIRE([AC_PROG_AWK])dnl
650 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
651 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
652 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
653 [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
654 [_AM_PROG_TAR([v7])])])
655 _AM_IF_OPTION([no-dependencies],,
656 [AC_PROVIDE_IFELSE([AC_PROG_CC],
657 [_AM_DEPENDENCIES(CC)],
658 [define([AC_PROG_CC],
659 defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
660 AC_PROVIDE_IFELSE([AC_PROG_CXX],
661 [_AM_DEPENDENCIES(CXX)],
662 [define([AC_PROG_CXX],
663 defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
664 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
665 [_AM_DEPENDENCIES(OBJC)],
666 [define([AC_PROG_OBJC],
667 defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
668 ])
669 _AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
670 dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
671 dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This macro
672 dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
673 AC_CONFIG_COMMANDS_PRE(dnl
674 [m4_provide_if([_AM_COMPILER_EXEEXT],
675 [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
676 ])
677
678 dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
679 dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
680 dnl mangled by Autoconf and run in a shell conditional statement.
681 m4_define([_AC_COMPILER_EXEEXT],
682 m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
683
684
685 # When config.status generates a header, we must update the stamp-h file.
686 # This file resides in the same directory as the config header
687 # that is generated. The stamp files are numbered to have different names.
688
689 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
690 # loop where config.status creates the headers, so we can generate
691 # our stamp files there.
692 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
693 [# Compute $1's index in $config_headers.
694 _am_arg=$1
695 _am_stamp_count=1
696 for _am_header in $config_headers :; do
697 case $_am_header in
698 $_am_arg | $_am_arg:* )
699 break ;;
700 * )
701 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
702 esac
703 done
704 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
705
706 # Copyright (C) 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
707 #
708 # This file is free software; the Free Software Foundation
709 # gives unlimited permission to copy and/or distribute it,
710 # with or without modifications, as long as this notice is preserved.
711
712 # AM_PROG_INSTALL_SH
713 # ------------------
714 # Define $install_sh.
715 AC_DEFUN([AM_PROG_INSTALL_SH],
716 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
717 if test x"${install_sh}" != xset; then
718 case $am_aux_dir in
719 *\ * | *\ *)
720 install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
721 *)
722 install_sh="\${SHELL} $am_aux_dir/install-sh"
723 esac
724 fi
725 AC_SUBST(install_sh)])
726
727 # Copyright (C) 2003, 2005 Free Software Foundation, Inc.
728 #
729 # This file is free software; the Free Software Foundation
730 # gives unlimited permission to copy and/or distribute it,
731 # with or without modifications, as long as this notice is preserved.
732
733 # serial 2
734
735 # Check whether the underlying file-system supports filenames
736 # with a leading dot. For instance MS-DOS doesn't.
737 AC_DEFUN([AM_SET_LEADING_DOT],
738 [rm -rf .tst 2>/dev/null
739 mkdir .tst 2>/dev/null
740 if test -d .tst; then
741 am__leading_dot=.
742 else
743 am__leading_dot=_
744 fi
745 rmdir .tst 2>/dev/null
746 AC_SUBST([am__leading_dot])])
747
748 # Check to see how 'make' treats includes. -*- Autoconf -*-
749
750 # Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
751 #
752 # This file is free software; the Free Software Foundation
753 # gives unlimited permission to copy and/or distribute it,
754 # with or without modifications, as long as this notice is preserved.
755
756 # serial 4
757
758 # AM_MAKE_INCLUDE()
759 # -----------------
760 # Check to see how make treats includes.
761 AC_DEFUN([AM_MAKE_INCLUDE],
762 [am_make=${MAKE-make}
763 cat > confinc << 'END'
764 am__doit:
765 @echo this is the am__doit target
766 .PHONY: am__doit
767 END
768 # If we don't find an include directive, just comment out the code.
769 AC_MSG_CHECKING([for style of include used by $am_make])
770 am__include="#"
771 am__quote=
772 _am_result=none
773 # First try GNU make style include.
774 echo "include confinc" > confmf
775 # Ignore all kinds of additional output from `make'.
776 case `$am_make -s -f confmf 2> /dev/null` in #(
777 *the\ am__doit\ target*)
778 am__include=include
779 am__quote=
780 _am_result=GNU
781 ;;
782 esac
783 # Now try BSD make style include.
784 if test "$am__include" = "#"; then
785 echo '.include "confinc"' > confmf
786 case `$am_make -s -f confmf 2> /dev/null` in #(
787 *the\ am__doit\ target*)
788 am__include=.include
789 am__quote="\""
790 _am_result=BSD
791 ;;
792 esac
793 fi
794 AC_SUBST([am__include])
795 AC_SUBST([am__quote])
796 AC_MSG_RESULT([$_am_result])
797 rm -f confinc confmf
798 ])
799
800 # Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
801 # Free Software Foundation, Inc.
802 #
803 # This file is free software; the Free Software Foundation
804 # gives unlimited permission to copy and/or distribute it,
805 # with or without modifications, as long as this notice is preserved.
806
807 # serial 6
808
809 # AM_PROG_CC_C_O
810 # --------------
811 # Like AC_PROG_CC_C_O, but changed for automake.
812 AC_DEFUN([AM_PROG_CC_C_O],
813 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
814 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
815 AC_REQUIRE_AUX_FILE([compile])dnl
816 # FIXME: we rely on the cache variable name because
817 # there is no other way.
818 set dummy $CC
819 am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
820 eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
821 if test "$am_t" != yes; then
822 # Losing compiler, so override with the script.
823 # FIXME: It is wrong to rewrite CC.
824 # But if we don't then we get into trouble of one sort or another.
825 # A longer-term fix would be to have automake use am__CC in this case,
826 # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
827 CC="$am_aux_dir/compile $CC"
828 fi
829 dnl Make sure AC_PROG_CC is never called again, or it will override our
830 dnl setting of CC.
831 m4_define([AC_PROG_CC],
832 [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
833 ])
834
835 # Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
836
837 # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005, 2008
838 # Free Software Foundation, Inc.
839 #
840 # This file is free software; the Free Software Foundation
841 # gives unlimited permission to copy and/or distribute it,
842 # with or without modifications, as long as this notice is preserved.
843
844 # serial 6
845
846 # AM_MISSING_PROG(NAME, PROGRAM)
847 # ------------------------------
848 AC_DEFUN([AM_MISSING_PROG],
849 [AC_REQUIRE([AM_MISSING_HAS_RUN])
850 $1=${$1-"${am_missing_run}$2"}
851 AC_SUBST($1)])
852
853
854 # AM_MISSING_HAS_RUN
855 # ------------------
856 # Define MISSING if not defined so far and test if it supports --run.
857 # If it does, set am_missing_run to use it, otherwise, to nothing.
858 AC_DEFUN([AM_MISSING_HAS_RUN],
859 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
860 AC_REQUIRE_AUX_FILE([missing])dnl
861 if test x"${MISSING+set}" != xset; then
862 case $am_aux_dir in
863 *\ * | *\ *)
864 MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
865 *)
866 MISSING="\${SHELL} $am_aux_dir/missing" ;;
867 esac
868 fi
869 # Use eval to expand $SHELL
870 if eval "$MISSING --run true"; then
871 am_missing_run="$MISSING --run "
872 else
873 am_missing_run=
874 AC_MSG_WARN([`missing' script is too old or missing])
875 fi
876 ])
877
878 # Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
879 #
880 # This file is free software; the Free Software Foundation
881 # gives unlimited permission to copy and/or distribute it,
882 # with or without modifications, as long as this notice is preserved.
883
884 # AM_PROG_MKDIR_P
885 # ---------------
886 # Check for `mkdir -p'.
887 AC_DEFUN([AM_PROG_MKDIR_P],
888 [AC_PREREQ([2.60])dnl
889 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
890 dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
891 dnl while keeping a definition of mkdir_p for backward compatibility.
892 dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
893 dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
894 dnl Makefile.ins that do not define MKDIR_P, so we do our own
895 dnl adjustment using top_builddir (which is defined more often than
896 dnl MKDIR_P).
897 AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
898 case $mkdir_p in
899 [[\\/$]]* | ?:[[\\/]]*) ;;
900 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
901 esac
902 ])
903
904 # Helper functions for option handling. -*- Autoconf -*-
905
906 # Copyright (C) 2001, 2002, 2003, 2005, 2008 Free Software Foundation, Inc.
907 #
908 # This file is free software; the Free Software Foundation
909 # gives unlimited permission to copy and/or distribute it,
910 # with or without modifications, as long as this notice is preserved.
911
912 # serial 4
913
914 # _AM_MANGLE_OPTION(NAME)
915 # -----------------------
916 AC_DEFUN([_AM_MANGLE_OPTION],
917 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
918
919 # _AM_SET_OPTION(NAME)
920 # ------------------------------
921 # Set option NAME. Presently that only means defining a flag for this option.
922 AC_DEFUN([_AM_SET_OPTION],
923 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
924
925 # _AM_SET_OPTIONS(OPTIONS)
926 # ----------------------------------
927 # OPTIONS is a space-separated list of Automake options.
928 AC_DEFUN([_AM_SET_OPTIONS],
929 [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
930
931 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
932 # -------------------------------------------
933 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
934 AC_DEFUN([_AM_IF_OPTION],
935 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
936
937 # Check to make sure that the build environment is sane. -*- Autoconf -*-
938
939 # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005, 2008
940 # Free Software Foundation, Inc.
941 #
942 # This file is free software; the Free Software Foundation
943 # gives unlimited permission to copy and/or distribute it,
944 # with or without modifications, as long as this notice is preserved.
945
946 # serial 5
947
948 # AM_SANITY_CHECK
949 # ---------------
950 AC_DEFUN([AM_SANITY_CHECK],
951 [AC_MSG_CHECKING([whether build environment is sane])
952 # Just in case
953 sleep 1
954 echo timestamp > conftest.file
955 # Reject unsafe characters in $srcdir or the absolute working directory
956 # name. Accept space and tab only in the latter.
957 am_lf='
958 '
959 case `pwd` in
960 *[[\\\"\#\$\&\'\`$am_lf]]*)
961 AC_MSG_ERROR([unsafe absolute working directory name]);;
962 esac
963 case $srcdir in
964 *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*)
965 AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
966 esac
967
968 # Do `set' in a subshell so we don't clobber the current shell's
969 # arguments. Must try -L first in case configure is actually a
970 # symlink; some systems play weird games with the mod time of symlinks
971 # (eg FreeBSD returns the mod time of the symlink's containing
972 # directory).
973 if (
974 set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
975 if test "$[*]" = "X"; then
976 # -L didn't work.
977 set X `ls -t "$srcdir/configure" conftest.file`
978 fi
979 rm -f conftest.file
980 if test "$[*]" != "X $srcdir/configure conftest.file" \
981 && test "$[*]" != "X conftest.file $srcdir/configure"; then
982
983 # If neither matched, then we have a broken ls. This can happen
984 # if, for instance, CONFIG_SHELL is bash and it inherits a
985 # broken ls alias from the environment. This has actually
986 # happened. Such a system could not be considered "sane".
987 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
988 alias in your environment])
989 fi
990
991 test "$[2]" = conftest.file
992 )
993 then
994 # Ok.
995 :
996 else
997 AC_MSG_ERROR([newly created file is older than distributed files!
998 Check your system clock])
999 fi
1000 AC_MSG_RESULT(yes)])
1001
1002 # Copyright (C) 2009 Free Software Foundation, Inc.
1003 #
1004 # This file is free software; the Free Software Foundation
1005 # gives unlimited permission to copy and/or distribute it,
1006 # with or without modifications, as long as this notice is preserved.
1007
1008 # serial 1
1009
1010 # AM_SILENT_RULES([DEFAULT])
1011 # --------------------------
1012 # Enable less verbose build rules; with the default set to DEFAULT
1013 # (`yes' being less verbose, `no' or empty being verbose).
1014 AC_DEFUN([AM_SILENT_RULES],
1015 [AC_ARG_ENABLE([silent-rules],
1016 [ --enable-silent-rules less verbose build output (undo: `make V=1')
1017 --disable-silent-rules verbose build output (undo: `make V=0')])
1018 case $enable_silent_rules in
1019 yes) AM_DEFAULT_VERBOSITY=0;;
1020 no) AM_DEFAULT_VERBOSITY=1;;
1021 *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);;
1022 esac
1023 AC_SUBST([AM_DEFAULT_VERBOSITY])dnl
1024 AM_BACKSLASH='\'
1025 AC_SUBST([AM_BACKSLASH])dnl
1026 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
1027 ])
1028
1029 # Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
1030 #
1031 # This file is free software; the Free Software Foundation
1032 # gives unlimited permission to copy and/or distribute it,
1033 # with or without modifications, as long as this notice is preserved.
1034
1035 # AM_PROG_INSTALL_STRIP
1036 # ---------------------
1037 # One issue with vendor `install' (even GNU) is that you can't
1038 # specify the program used to strip binaries. This is especially
1039 # annoying in cross-compiling environments, where the build's strip
1040 # is unlikely to handle the host's binaries.
1041 # Fortunately install-sh will honor a STRIPPROG variable, so we
1042 # always use install-sh in `make install-strip', and initialize
1043 # STRIPPROG with the value of the STRIP variable (set by the user).
1044 AC_DEFUN([AM_PROG_INSTALL_STRIP],
1045 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
1046 # Installed binaries are usually stripped using `strip' when the user
1047 # run `make install-strip'. However `strip' might not be the right
1048 # tool to use in cross-compilation environments, therefore Automake
1049 # will honor the `STRIP' environment variable to overrule this program.
1050 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
1051 if test "$cross_compiling" != no; then
1052 AC_CHECK_TOOL([STRIP], [strip], :)
1053 fi
1054 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
1055 AC_SUBST([INSTALL_STRIP_PROGRAM])])
1056
1057 # Copyright (C) 2006, 2008 Free Software Foundation, Inc.
1058 #
1059 # This file is free software; the Free Software Foundation
1060 # gives unlimited permission to copy and/or distribute it,
1061 # with or without modifications, as long as this notice is preserved.
1062
1063 # serial 2
1064
1065 # _AM_SUBST_NOTMAKE(VARIABLE)
1066 # ---------------------------
1067 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
1068 # This macro is traced by Automake.
1069 AC_DEFUN([_AM_SUBST_NOTMAKE])
1070
1071 # AM_SUBST_NOTMAKE(VARIABLE)
1072 # ---------------------------
1073 # Public sister of _AM_SUBST_NOTMAKE.
1074 AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
1075
1076 # Check how to create a tarball. -*- Autoconf -*-
1077
1078 # Copyright (C) 2004, 2005 Free Software Foundation, Inc.
1079 #
1080 # This file is free software; the Free Software Foundation
1081 # gives unlimited permission to copy and/or distribute it,
1082 # with or without modifications, as long as this notice is preserved.
1083
1084 # serial 2
1085
1086 # _AM_PROG_TAR(FORMAT)
1087 # --------------------
1088 # Check how to create a tarball in format FORMAT.
1089 # FORMAT should be one of `v7', `ustar', or `pax'.
1090 #
1091 # Substitute a variable $(am__tar) that is a command
1092 # writing to stdout a FORMAT-tarball containing the directory
1093 # $tardir.
1094 # tardir=directory && $(am__tar) > result.tar
1095 #
1096 # Substitute a variable $(am__untar) that extract such
1097 # a tarball read from stdin.
1098 # $(am__untar) < result.tar
1099 AC_DEFUN([_AM_PROG_TAR],
1100 [# Always define AMTAR for backward compatibility.
1101 AM_MISSING_PROG([AMTAR], [tar])
1102 m4_if([$1], [v7],
1103 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
1104 [m4_case([$1], [ustar],, [pax],,
1105 [m4_fatal([Unknown tar format])])
1106 AC_MSG_CHECKING([how to create a $1 tar archive])
1107 # Loop over all known methods to create a tar archive until one works.
1108 _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
1109 _am_tools=${am_cv_prog_tar_$1-$_am_tools}
1110 # Do not fold the above two line into one, because Tru64 sh and
1111 # Solaris sh will not grok spaces in the rhs of `-'.
1112 for _am_tool in $_am_tools
1113 do
1114 case $_am_tool in
1115 gnutar)
1116 for _am_tar in tar gnutar gtar;
1117 do
1118 AM_RUN_LOG([$_am_tar --version]) && break
1119 done
1120 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
1121 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
1122 am__untar="$_am_tar -xf -"
1123 ;;
1124 plaintar)
1125 # Must skip GNU tar: if it does not support --format= it doesn't create
1126 # ustar tarball either.
1127 (tar --version) >/dev/null 2>&1 && continue
1128 am__tar='tar chf - "$$tardir"'
1129 am__tar_='tar chf - "$tardir"'
1130 am__untar='tar xf -'
1131 ;;
1132 pax)
1133 am__tar='pax -L -x $1 -w "$$tardir"'
1134 am__tar_='pax -L -x $1 -w "$tardir"'
1135 am__untar='pax -r'
1136 ;;
1137 cpio)
1138 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
1139 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
1140 am__untar='cpio -i -H $1 -d'
1141 ;;
1142 none)
1143 am__tar=false
1144 am__tar_=false
1145 am__untar=false
1146 ;;
1147 esac
1148
1149 # If the value was cached, stop now. We just wanted to have am__tar
1150 # and am__untar set.
1151 test -n "${am_cv_prog_tar_$1}" && break
1152
1153 # tar/untar a dummy directory, and stop if the command works
1154 rm -rf conftest.dir
1155 mkdir conftest.dir
1156 echo GrepMe > conftest.dir/file
1157 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
1158 rm -rf conftest.dir
1159 if test -s conftest.tar; then
1160 AM_RUN_LOG([$am__untar <conftest.tar])
1161 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
1162 fi
1163 done
1164 rm -rf conftest.dir
1165
1166 AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
1167 AC_MSG_RESULT([$am_cv_prog_tar_$1])])
1168 AC_SUBST([am__tar])
1169 AC_SUBST([am__untar])
1170 ]) # _AM_PROG_TAR
1171