Properly include guile.m4
[clinton/bobotpp.git] / aclocal.m4
CommitLineData
55f2215d 1# generated automatically by aclocal 1.10.1 -*- Autoconf -*-
2e20c3e1 2
55f2215d 3# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4# 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
2e20c3e1 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
55f2215d 14m4_ifndef([AC_AUTOCONF_VERSION],
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17[m4_warning([this file was generated for autoconf 2.61.
18You have another version of autoconf. It may work, but is not guaranteed to.
19If you have problems, you may need to regenerate the build system entirely.
20To do so, use the procedure documented by the package, typically `autoreconf'.])])
2e20c3e1 21
55f2215d 22# Copyright (C) 2002, 2003, 2005, 2006, 2007 Free Software Foundation, Inc.
2e20c3e1 23#
55f2215d 24# This file is free software; the Free Software Foundation
25# gives unlimited permission to copy and/or distribute it,
26# with or without modifications, as long as this notice is preserved.
c3ecc559 27
28# AM_AUTOMAKE_VERSION(VERSION)
29# ----------------------------
30# Automake X.Y traces this macro to ensure aclocal.m4 has been
31# generated from the m4 files accompanying Automake X.Y.
55f2215d 32# (This private macro should not be called outside this file.)
33AC_DEFUN([AM_AUTOMAKE_VERSION],
34[am__api_version='1.10'
35dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
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41# _AM_AUTOCONF_VERSION(VERSION)
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48# AM_SET_CURRENT_AUTOMAKE_VERSION
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55f2215d 50# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
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55f2215d 58# AM_AUX_DIR_EXPAND -*- Autoconf -*-
2e20c3e1 59
55f2215d 60# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
2e20c3e1 61#
55f2215d 62# This file is free software; the Free Software Foundation
63# gives unlimited permission to copy and/or distribute it,
64# with or without modifications, as long as this notice is preserved.
c3ecc559 65
2e20c3e1 66# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
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55f2215d 104AC_DEFUN([AM_AUX_DIR_EXPAND],
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55f2215d 111# AM_CONDITIONAL -*- Autoconf -*-
4edefeb6 112
55f2215d 113# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
114# Free Software Foundation, Inc.
115#
116# This file is free software; the Free Software Foundation
117# gives unlimited permission to copy and/or distribute it,
118# with or without modifications, as long as this notice is preserved.
2e20c3e1 119
55f2215d 120# serial 8
4edefeb6 121
55f2215d 122# AM_CONDITIONAL(NAME, SHELL-CONDITION)
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125AC_DEFUN([AM_CONDITIONAL],
126[AC_PREREQ(2.52)dnl
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55f2215d 137 $1_TRUE='#'
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c3ecc559 145
55f2215d 146# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
147# Free Software Foundation, Inc.
148#
149# This file is free software; the Free Software Foundation
150# gives unlimited permission to copy and/or distribute it,
151# with or without modifications, as long as this notice is preserved.
2e20c3e1 152
55f2215d 153# serial 9
2e20c3e1 154
155# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
156# written in clear, in which case automake, when reading aclocal.m4,
157# will think it sees a *use*, and therefore will trigger all it's
158# C support machinery. Also note that it means that autoscan, seeing
159# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
160
161
2e20c3e1 162# _AM_DEPENDENCIES(NAME)
c3ecc559 163# ----------------------
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c3ecc559 165# NAME is "CC", "CXX", "GCJ", or "OBJC".
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174AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
175AC_REQUIRE([AM_MAKE_INCLUDE])dnl
176AC_REQUIRE([AM_DEP_TRACK])dnl
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178ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
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55f2215d 181 [$1], UPC, [depcc="$UPC" am_compiler_list=],
2e20c3e1 182 [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
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201 # side effect of compilation, but ICC will put the dependencies in
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204 mkdir sub
2e20c3e1 205
206 am_cv_$1_dependencies_compiler_type=none
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4edefeb6 211 # Setup a source with many dependencies, because some compilers
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2e20c3e1 215 # We need to recreate these files for each test, as the compiler may
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217 # This happens at least with the AIX C compiler.
4edefeb6 218 : > sub/conftest.c
219 for i in 1 2 3 4 5 6; do
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55f2215d 221 # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with
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2e20c3e1 226
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4edefeb6 243 source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
244 depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
245 $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
246 >/dev/null 2>conftest.err &&
55f2215d 247 grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
4edefeb6 248 grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
249 grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
2e20c3e1 250 ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
4edefeb6 251 # icc doesn't choke on unknown options, it will just issue warnings
55f2215d 252 # or remarks (even with -Werror). So we grep stderr for any message
253 # that says an option was ignored or not supported.
254 # When given -MP, icc 7.0 and 7.1 complain thusly:
255 # icc: Command line warning: ignoring option '-M'; no argument required
256 # The diagnosis changed in icc 8.0:
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4edefeb6 260 am_cv_$1_dependencies_compiler_type=$depmode
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2e20c3e1 263 fi
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c3ecc559 272AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
4edefeb6 273AM_CONDITIONAL([am__fastdep$1], [
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2e20c3e1 276])
277
278
279# AM_SET_DEPDIR
280# -------------
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282# This macro is AC_REQUIREd in _AM_DEPENDENCIES
283AC_DEFUN([AM_SET_DEPDIR],
4edefeb6 284[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
285AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
2e20c3e1 286])
287
288
289# AM_DEP_TRACK
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291AC_DEFUN([AM_DEP_TRACK],
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55f2215d 293[ --disable-dependency-tracking speeds up one-time build
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2e20c3e1 295if test "x$enable_dependency_tracking" != xno; then
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297 AMDEPBACKSLASH='\'
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55f2215d 300AC_SUBST([AMDEPBACKSLASH])dnl
301_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
2e20c3e1 302])
303
55f2215d 304# Generate code to set up dependency tracking. -*- Autoconf -*-
2e20c3e1 305
55f2215d 306# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
307# Free Software Foundation, Inc.
308#
309# This file is free software; the Free Software Foundation
310# gives unlimited permission to copy and/or distribute it,
311# with or without modifications, as long as this notice is preserved.
c3ecc559 312
55f2215d 313#serial 3
c3ecc559 314
55f2215d 315# _AM_OUTPUT_DEPENDENCY_COMMANDS
316# ------------------------------
317AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
318[for mf in $CONFIG_FILES; do
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320 mf=`echo "$mf" | sed -e 's/:.*$//'`
321 # Check whether this is an Automake generated Makefile or not.
322 # We used to match only the files named `Makefile.in', but
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325 # each Makefile.in and add a new line on top of each file to say so.
326 # Grep'ing the whole file is not good either: AIX grep has a line
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345 # expansion.
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354 echo '# dummy' > "$dirpart/$file"
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358
359
360# AM_OUTPUT_DEPENDENCY_COMMANDS
361# -----------------------------
362# This macro should only be invoked once -- use via AC_REQUIRE.
363#
364# This code is only required when automatic dependency tracking
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370 [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
371])
372
373# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
374# Free Software Foundation, Inc.
375#
376# This file is free software; the Free Software Foundation
377# gives unlimited permission to copy and/or distribute it,
378# with or without modifications, as long as this notice is preserved.
379
380# serial 8
381
382# AM_CONFIG_HEADER is obsolete. It has been replaced by AC_CONFIG_HEADERS.
383AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
384
385# Do all the work for Automake. -*- Autoconf -*-
386
387# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
388# 2005, 2006, 2008 Free Software Foundation, Inc.
389#
390# This file is free software; the Free Software Foundation
391# gives unlimited permission to copy and/or distribute it,
392# with or without modifications, as long as this notice is preserved.
c3ecc559 393
55f2215d 394# serial 13
c3ecc559 395
55f2215d 396# This macro actually does too much. Some checks are only needed if
397# your package does certain things. But this isn't really a big deal.
398
399# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
400# AM_INIT_AUTOMAKE([OPTIONS])
401# -----------------------------------------------
402# The call with PACKAGE and VERSION arguments is the old style
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406# We support both call styles for the transition. After
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410AC_DEFUN([AM_INIT_AUTOMAKE],
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428if test -z "$CYGPATH_W"; then
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437# Define the identity of the package.
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450_AM_IF_OPTION([no-define],,
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456AC_REQUIRE([AC_ARG_PROGRAM])dnl
457AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
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460AM_MISSING_PROG(AUTOHEADER, autoheader)
461AM_MISSING_PROG(MAKEINFO, makeinfo)
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489
490# When config.status generates a header, we must update the stamp-h file.
491# This file resides in the same directory as the config header
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c3ecc559 493
55f2215d 494# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
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502 case $_am_header in
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506 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
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2e20c3e1 508done
55f2215d 509echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
c3ecc559 510
55f2215d 511# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
c3ecc559 512#
55f2215d 513# This file is free software; the Free Software Foundation
514# gives unlimited permission to copy and/or distribute it,
515# with or without modifications, as long as this notice is preserved.
516
517# AM_PROG_INSTALL_SH
518# ------------------
519# Define $install_sh.
520AC_DEFUN([AM_PROG_INSTALL_SH],
521[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
522install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
523AC_SUBST(install_sh)])
c3ecc559 524
55f2215d 525# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
526#
527# This file is free software; the Free Software Foundation
528# gives unlimited permission to copy and/or distribute it,
529# with or without modifications, as long as this notice is preserved.
4edefeb6 530
55f2215d 531# serial 2
c3ecc559 532
55f2215d 533# Check whether the underlying file-system supports filenames
534# with a leading dot. For instance MS-DOS doesn't.
535AC_DEFUN([AM_SET_LEADING_DOT],
536[rm -rf .tst 2>/dev/null
537mkdir .tst 2>/dev/null
538if test -d .tst; then
539 am__leading_dot=.
540else
541 am__leading_dot=_
542fi
543rmdir .tst 2>/dev/null
544AC_SUBST([am__leading_dot])])
c3ecc559 545
55f2215d 546# Check to see how 'make' treats includes. -*- Autoconf -*-
c3ecc559 547
55f2215d 548# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
549#
550# This file is free software; the Free Software Foundation
551# gives unlimited permission to copy and/or distribute it,
552# with or without modifications, as long as this notice is preserved.
c3ecc559 553
55f2215d 554# serial 3
2e20c3e1 555
556# AM_MAKE_INCLUDE()
557# -----------------
558# Check to see how make treats includes.
559AC_DEFUN([AM_MAKE_INCLUDE],
560[am_make=${MAKE-make}
561cat > confinc << 'END'
4edefeb6 562am__doit:
2e20c3e1 563 @echo done
4edefeb6 564.PHONY: am__doit
2e20c3e1 565END
566# If we don't find an include directive, just comment out the code.
567AC_MSG_CHECKING([for style of include used by $am_make])
c3ecc559 568am__include="#"
2e20c3e1 569am__quote=
570_am_result=none
571# First try GNU make style include.
572echo "include confinc" > confmf
573# We grep out `Entering directory' and `Leaving directory'
574# messages which can occur if `w' ends up in MAKEFLAGS.
575# In particular we don't look at `^make:' because GNU make might
576# be invoked under some other name (usually "gmake"), in which
577# case it prints its new name instead of `make'.
4edefeb6 578if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
2e20c3e1 579 am__include=include
580 am__quote=
581 _am_result=GNU
582fi
583# Now try BSD make style include.
584if test "$am__include" = "#"; then
585 echo '.include "confinc"' > confmf
586 if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
587 am__include=.include
c3ecc559 588 am__quote="\""
2e20c3e1 589 _am_result=BSD
590 fi
591fi
4edefeb6 592AC_SUBST([am__include])
593AC_SUBST([am__quote])
594AC_MSG_RESULT([$_am_result])
2e20c3e1 595rm -f confinc confmf
596])
597
55f2215d 598# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
c3ecc559 599
55f2215d 600# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
601# Free Software Foundation, Inc.
602#
603# This file is free software; the Free Software Foundation
604# gives unlimited permission to copy and/or distribute it,
605# with or without modifications, as long as this notice is preserved.
c3ecc559 606
55f2215d 607# serial 5
c3ecc559 608
55f2215d 609# AM_MISSING_PROG(NAME, PROGRAM)
610# ------------------------------
611AC_DEFUN([AM_MISSING_PROG],
612[AC_REQUIRE([AM_MISSING_HAS_RUN])
613$1=${$1-"${am_missing_run}$2"}
614AC_SUBST($1)])
c3ecc559 615
c3ecc559 616
55f2215d 617# AM_MISSING_HAS_RUN
618# ------------------
619# Define MISSING if not defined so far and test if it supports --run.
620# If it does, set am_missing_run to use it, otherwise, to nothing.
621AC_DEFUN([AM_MISSING_HAS_RUN],
622[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
623AC_REQUIRE_AUX_FILE([missing])dnl
624test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
625# Use eval to expand $SHELL
626if eval "$MISSING --run true"; then
627 am_missing_run="$MISSING --run "
628else
629 am_missing_run=
630 AC_MSG_WARN([`missing' script is too old or missing])
631fi
632])
c3ecc559 633
55f2215d 634# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
635#
636# This file is free software; the Free Software Foundation
637# gives unlimited permission to copy and/or distribute it,
638# with or without modifications, as long as this notice is preserved.
2e20c3e1 639
55f2215d 640# AM_PROG_MKDIR_P
641# ---------------
642# Check for `mkdir -p'.
643AC_DEFUN([AM_PROG_MKDIR_P],
644[AC_PREREQ([2.60])dnl
645AC_REQUIRE([AC_PROG_MKDIR_P])dnl
646dnl Automake 1.8 to 1.9.6 used to define mkdir_p. We now use MKDIR_P,
647dnl while keeping a definition of mkdir_p for backward compatibility.
648dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
649dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
650dnl Makefile.ins that do not define MKDIR_P, so we do our own
651dnl adjustment using top_builddir (which is defined more often than
652dnl MKDIR_P).
653AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
654case $mkdir_p in
655 [[\\/$]]* | ?:[[\\/]]*) ;;
656 */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
657esac
658])
659
660# Helper functions for option handling. -*- Autoconf -*-
661
662# Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
663#
664# This file is free software; the Free Software Foundation
665# gives unlimited permission to copy and/or distribute it,
666# with or without modifications, as long as this notice is preserved.
667
668# serial 3
669
670# _AM_MANGLE_OPTION(NAME)
671# -----------------------
672AC_DEFUN([_AM_MANGLE_OPTION],
673[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
674
675# _AM_SET_OPTION(NAME)
676# ------------------------------
677# Set option NAME. Presently that only means defining a flag for this option.
678AC_DEFUN([_AM_SET_OPTION],
679[m4_define(_AM_MANGLE_OPTION([$1]), 1)])
680
681# _AM_SET_OPTIONS(OPTIONS)
682# ----------------------------------
683# OPTIONS is a space-separated list of Automake options.
684AC_DEFUN([_AM_SET_OPTIONS],
685[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
686
687# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
688# -------------------------------------------
689# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
690AC_DEFUN([_AM_IF_OPTION],
691[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
692
693# Check to make sure that the build environment is sane. -*- Autoconf -*-
694
695# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
696# Free Software Foundation, Inc.
697#
698# This file is free software; the Free Software Foundation
699# gives unlimited permission to copy and/or distribute it,
700# with or without modifications, as long as this notice is preserved.
701
702# serial 4
703
704# AM_SANITY_CHECK
705# ---------------
706AC_DEFUN([AM_SANITY_CHECK],
707[AC_MSG_CHECKING([whether build environment is sane])
708# Just in case
709sleep 1
710echo timestamp > conftest.file
711# Do `set' in a subshell so we don't clobber the current shell's
712# arguments. Must try -L first in case configure is actually a
713# symlink; some systems play weird games with the mod time of symlinks
714# (eg FreeBSD returns the mod time of the symlink's containing
715# directory).
716if (
717 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
718 if test "$[*]" = "X"; then
719 # -L didn't work.
720 set X `ls -t $srcdir/configure conftest.file`
721 fi
722 rm -f conftest.file
723 if test "$[*]" != "X $srcdir/configure conftest.file" \
724 && test "$[*]" != "X conftest.file $srcdir/configure"; then
725
726 # If neither matched, then we have a broken ls. This can happen
727 # if, for instance, CONFIG_SHELL is bash and it inherits a
728 # broken ls alias from the environment. This has actually
729 # happened. Such a system could not be considered "sane".
730 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
731alias in your environment])
732 fi
733
734 test "$[2]" = conftest.file
735 )
736then
737 # Ok.
738 :
2e20c3e1 739else
55f2215d 740 AC_MSG_ERROR([newly created file is older than distributed files!
741Check your system clock])
c3ecc559 742fi
55f2215d 743AC_MSG_RESULT(yes)])
744
745# Copyright (C) 2001, 2003, 2005 Free Software Foundation, Inc.
746#
747# This file is free software; the Free Software Foundation
748# gives unlimited permission to copy and/or distribute it,
749# with or without modifications, as long as this notice is preserved.
750
751# AM_PROG_INSTALL_STRIP
752# ---------------------
753# One issue with vendor `install' (even GNU) is that you can't
754# specify the program used to strip binaries. This is especially
755# annoying in cross-compiling environments, where the build's strip
756# is unlikely to handle the host's binaries.
757# Fortunately install-sh will honor a STRIPPROG variable, so we
758# always use install-sh in `make install-strip', and initialize
759# STRIPPROG with the value of the STRIP variable (set by the user).
760AC_DEFUN([AM_PROG_INSTALL_STRIP],
761[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
762# Installed binaries are usually stripped using `strip' when the user
763# run `make install-strip'. However `strip' might not be the right
764# tool to use in cross-compilation environments, therefore Automake
765# will honor the `STRIP' environment variable to overrule this program.
766dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
767if test "$cross_compiling" != no; then
768 AC_CHECK_TOOL([STRIP], [strip], :)
769fi
770INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
771AC_SUBST([INSTALL_STRIP_PROGRAM])])
772
773# Copyright (C) 2006 Free Software Foundation, Inc.
774#
775# This file is free software; the Free Software Foundation
776# gives unlimited permission to copy and/or distribute it,
777# with or without modifications, as long as this notice is preserved.
2e20c3e1 778
55f2215d 779# _AM_SUBST_NOTMAKE(VARIABLE)
780# ---------------------------
781# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
782# This macro is traced by Automake.
783AC_DEFUN([_AM_SUBST_NOTMAKE])
2e20c3e1 784
55f2215d 785# Check how to create a tarball. -*- Autoconf -*-
c3ecc559 786
55f2215d 787# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
788#
789# This file is free software; the Free Software Foundation
790# gives unlimited permission to copy and/or distribute it,
791# with or without modifications, as long as this notice is preserved.
c3ecc559 792
55f2215d 793# serial 2
c3ecc559 794
55f2215d 795# _AM_PROG_TAR(FORMAT)
796# --------------------
797# Check how to create a tarball in format FORMAT.
798# FORMAT should be one of `v7', `ustar', or `pax'.
799#
800# Substitute a variable $(am__tar) that is a command
801# writing to stdout a FORMAT-tarball containing the directory
802# $tardir.
803# tardir=directory && $(am__tar) > result.tar
804#
805# Substitute a variable $(am__untar) that extract such
806# a tarball read from stdin.
807# $(am__untar) < result.tar
808AC_DEFUN([_AM_PROG_TAR],
809[# Always define AMTAR for backward compatibility.
810AM_MISSING_PROG([AMTAR], [tar])
811m4_if([$1], [v7],
812 [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
813 [m4_case([$1], [ustar],, [pax],,
814 [m4_fatal([Unknown tar format])])
815AC_MSG_CHECKING([how to create a $1 tar archive])
816# Loop over all known methods to create a tar archive until one works.
817_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
818_am_tools=${am_cv_prog_tar_$1-$_am_tools}
819# Do not fold the above two line into one, because Tru64 sh and
820# Solaris sh will not grok spaces in the rhs of `-'.
821for _am_tool in $_am_tools
822do
823 case $_am_tool in
824 gnutar)
825 for _am_tar in tar gnutar gtar;
826 do
827 AM_RUN_LOG([$_am_tar --version]) && break
828 done
829 am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
830 am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
831 am__untar="$_am_tar -xf -"
832 ;;
833 plaintar)
834 # Must skip GNU tar: if it does not support --format= it doesn't create
835 # ustar tarball either.
836 (tar --version) >/dev/null 2>&1 && continue
837 am__tar='tar chf - "$$tardir"'
838 am__tar_='tar chf - "$tardir"'
839 am__untar='tar xf -'
840 ;;
841 pax)
842 am__tar='pax -L -x $1 -w "$$tardir"'
843 am__tar_='pax -L -x $1 -w "$tardir"'
844 am__untar='pax -r'
845 ;;
846 cpio)
847 am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
848 am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
849 am__untar='cpio -i -H $1 -d'
850 ;;
851 none)
852 am__tar=false
853 am__tar_=false
854 am__untar=false
855 ;;
856 esac
c3ecc559 857
55f2215d 858 # If the value was cached, stop now. We just wanted to have am__tar
859 # and am__untar set.
860 test -n "${am_cv_prog_tar_$1}" && break
c3ecc559 861
55f2215d 862 # tar/untar a dummy directory, and stop if the command works
863 rm -rf conftest.dir
864 mkdir conftest.dir
865 echo GrepMe > conftest.dir/file
866 AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
867 rm -rf conftest.dir
868 if test -s conftest.tar; then
869 AM_RUN_LOG([$am__untar <conftest.tar])
870 grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
871 fi
872done
873rm -rf conftest.dir
2e20c3e1 874
55f2215d 875AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
876AC_MSG_RESULT([$am_cv_prog_tar_$1])])
877AC_SUBST([am__tar])
878AC_SUBST([am__untar])
879]) # _AM_PROG_TAR
2e20c3e1 880
55f2215d 881m4_include([acinclude.m4])