303 lines
13 KiB
Plaintext
303 lines
13 KiB
Plaintext
# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_enable_builddir.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_ENABLE_BUILDDIR [(dirstring-or-command [,Makefile.mk [,-all]])]
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#
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# DESCRIPTION
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#
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# If the current configure was run within the srcdir then we move all
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# configure-files into a subdir and let the configure steps continue
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# there. We provide an option --disable-builddir to suppress the move into
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# a separate builddir.
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#
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# Defaults:
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#
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# $1 = $host (overridden with $HOST)
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# $2 = Makefile.mk
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# $3 = -all
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#
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# This macro must be called before AM_INIT_AUTOMAKE. It creates a default
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# toplevel srcdir Makefile from the information found in the created
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# toplevel builddir Makefile. It just copies the variables and
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# rule-targets, each extended with a default rule-execution that recurses
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# into the build directory of the current "HOST". You can override the
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# auto-dection through `config.guess` and build-time of course, as in
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#
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# make HOST=i386-mingw-cross
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#
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# which can of course set at configure time as well using
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#
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# configure --host=i386-mingw-cross
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#
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# After the default has been created, additional rules can be appended
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# that will not just recurse into the subdirectories and only ever exist
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# in the srcdir toplevel makefile - these parts are read from the $2 =
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# Makefile.mk file
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#
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# The automatic rules are usually scanning the toplevel Makefile for lines
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# like '#### $host |$builddir' to recognize the place where to recurse
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# into. Usually, the last one is the only one used. However, almost all
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# targets have an additional "*-all" rule which makes the script to
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# recurse into _all_ variants of the current HOST (!!) setting. The "-all"
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# suffix can be overriden for the macro as well.
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#
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# a special rule is only given for things like "dist" that will copy the
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# tarball from the builddir to the sourcedir (or $(PUB)) for reason of
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# convenience.
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#
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# LICENSE
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#
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# Copyright (c) 2009 Guido U. Draheim <guidod@gmx.de>
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# Copyright (c) 2009 Alan Jenkins <alan-jenkins@tuffmail.co.uk>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 25
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AC_DEFUN([AX_ENABLE_BUILDDIR],[
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AC_REQUIRE([AC_CANONICAL_HOST])[]dnl
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AC_REQUIRE([AC_CANONICAL_TARGET])[]dnl
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AC_REQUIRE([AX_CONFIGURE_ARGS])[]dnl
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AC_REQUIRE([AM_AUX_DIR_EXPAND])[]dnl
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AC_BEFORE([$0],[AM_INIT_AUTOMAKE])dnl
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AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
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AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
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AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
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SUB="."
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AC_ARG_ENABLE([builddir], AS_HELP_STRING(
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[--disable-builddir],[disable automatic build in subdir of sources])
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,[SUB="$enableval"], [SUB="auto"])
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if test ".$ac_srcdir_defaulted" != ".no" ; then
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if test ".$srcdir" = ".." ; then
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if test -f config.status ; then
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AC_MSG_NOTICE(toplevel srcdir already configured... skipping subdir build)
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else
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test ".$SUB" = "." && SUB="."
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test ".$SUB" = ".no" && SUB="."
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test ".$TARGET" = "." && TARGET="$target"
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test ".$SUB" = ".auto" && SUB="m4_ifval([$1], [$1],[$TARGET])"
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if test ".$SUB" != ".." ; then # we know where to go and
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AS_MKDIR_P([$SUB])
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echo __.$SUB.__ > $SUB/conftest.tmp
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cd $SUB
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if grep __.$SUB.__ conftest.tmp >/dev/null 2>/dev/null ; then
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rm conftest.tmp
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AC_MSG_RESULT([continue configure in default builddir "./$SUB"])
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else
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AC_MSG_ERROR([could not change to default builddir "./$SUB"])
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fi
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srcdir=`echo "$SUB" |
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sed -e 's,^\./,,;s,[[^/]]$,&/,;s,[[^/]]*/,../,g;s,[[/]]$,,;'`
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# going to restart from subdirectory location
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test -f $srcdir/config.log && mv $srcdir/config.log .
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test -f $srcdir/confdefs.h && mv $srcdir/confdefs.h .
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test -f $srcdir/conftest.log && mv $srcdir/conftest.log .
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test -f $srcdir/$cache_file && mv $srcdir/$cache_file .
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AC_MSG_RESULT(....exec $SHELL $srcdir/[$]0 "--srcdir=$srcdir" "--enable-builddir=$SUB" ${1+"[$]@"})
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case "[$]0" in # restart
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[[\\/]]* | ?:[[\\/]]*) # Asbolute name
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eval $SHELL "'[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
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*) eval $SHELL "'$srcdir/[$]0'" "'--srcdir=$srcdir'" "'--enable-builddir=$SUB'" $ac_configure_args ;;
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esac ; exit $?
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fi
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fi
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fi fi
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test ".$SUB" = ".auto" && SUB="."
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dnl ac_path_prog uses "set dummy" to override $@ which would defeat the "exec"
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AC_PATH_PROG(SED,gsed sed, sed)
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AUX="$am_aux_dir"
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AS_VAR_POPDEF([SED])dnl
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AS_VAR_POPDEF([AUX])dnl
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AS_VAR_POPDEF([SUB])dnl
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AC_CONFIG_COMMANDS([buildir],[dnl .............. config.status ..............
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AS_VAR_PUSHDEF([SUB],[ax_enable_builddir])dnl
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AS_VAR_PUSHDEF([TOP],[top_srcdir])dnl
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AS_VAR_PUSHDEF([SRC],[ac_top_srcdir])dnl
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AS_VAR_PUSHDEF([AUX],[ax_enable_builddir_auxdir])dnl
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AS_VAR_PUSHDEF([SED],[ax_enable_builddir_sed])dnl
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pushdef([END],[Makefile.mk])dnl
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pushdef([_ALL],[ifelse([$3],,[-all],[$3])])dnl
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SRC="$ax_enable_builddir_srcdir"
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if test ".$SUB" = ".." ; then
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if test -f "$TOP/Makefile" ; then
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AC_MSG_NOTICE([skipping TOP/Makefile - left untouched])
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else
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AC_MSG_NOTICE([skipping TOP/Makefile - not created])
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fi
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else
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if test -f "$SRC/Makefile" ; then
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a=`grep "^VERSION " "$SRC/Makefile"` ; b=`grep "^VERSION " Makefile`
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test "$a" != "$b" && rm "$SRC/Makefile"
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fi
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if test -f "$SRC/Makefile" ; then
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echo "$SRC/Makefile : $SRC/Makefile.in" > $tmp/conftemp.mk
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echo " []@ echo 'REMOVED,,,' >\$[]@" >> $tmp/conftemp.mk
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eval "${MAKE-make} -f $tmp/conftemp.mk 2>/dev/null >/dev/null"
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if grep '^REMOVED,,,' "$SRC/Makefile" >/dev/null
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then rm $SRC/Makefile ; fi
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cp $tmp/conftemp.mk $SRC/makefiles.mk~ ## DEBUGGING
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fi
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if test ! -f "$SRC/Makefile" ; then
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AC_MSG_NOTICE([create TOP/Makefile guessed from local Makefile])
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x='`' ; cat >$tmp/conftemp.sed <<_EOF
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/^\$/n
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x
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/^\$/bS
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x
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/\\\\\$/{H;d;}
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{H;s/.*//;x;}
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bM
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:S
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x
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/\\\\\$/{h;d;}
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{h;s/.*//;x;}
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:M
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s/\\(\\n\\) /\\1 /g
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/^ /d
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/^[[ ]]*[[\\#]]/d
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/^VPATH *=/d
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s/^srcdir *=.*/srcdir = ./
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s/^top_srcdir *=.*/top_srcdir = ./
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/[[:=]]/!d
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/^\\./d
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dnl Now handle rules (i.e. lines containing ":" but not " = ").
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/ = /b
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/ .= /b
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/:/!b
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s/:.*/:/
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s/ / /g
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s/ \\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/ \\1 \\1[]_ALL\\2/g
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s/^\\([[a-z]][[a-z-]]*[[a-zA-Z0-9]]\\)\\([[ :]]\\)/\\1 \\1[]_ALL\\2/
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s/ / /g
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/^all all[]_ALL[[ :]]/i\\
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all-configured : all[]_ALL
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dnl dist-all exists... and would make for dist-all-all
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s/ [[a-zA-Z0-9-]]*[]_ALL [[a-zA-Z0-9-]]*[]_ALL[]_ALL//g
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/[]_ALL[]_ALL/d
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a\\
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@ HOST="\$(HOST)\" \\\\\\
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; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
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; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
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; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
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; echo "MAKE \$\$HOST : \$\$n * \$\@"; if test "\$\$n" -eq "0" ; then : \\\\\\
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; BUILD=$x grep "^####.*|" Makefile |tail -1| sed -e 's/.*|//' $x ; fi \\\\\\
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; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
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; test "\$\$use" = "\$\@" && BUILD=$x echo "\$\$BUILD" | tail -1 $x \\\\\\
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; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
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; (cd "\$\$i" && test ! -f configure && \$(MAKE) \$\$use) || exit; done
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dnl special rule add-on: "dist" copies the tarball to $(PUB). (source tree)
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/dist[]_ALL *:/a\\
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@ HOST="\$(HOST)\" \\\\\\
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; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
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; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
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; found=$x echo \$\$BUILD | wc -w $x \\\\\\
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; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).tar.*" \\\\\\
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; if test "\$\$found" -eq "0" ; then : \\\\\\
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; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
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; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
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; for f in \$\$i/\$(PACKAGE)-\$(VERSION).tar.* \\\\\\
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; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
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dnl special rule add-on: "dist-foo" copies all the archives to $(PUB). (source tree)
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/dist-[[a-zA-Z0-9]]*[]_ALL *:/a\\
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@ HOST="\$(HOST)\" \\\\\\
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; test ".\$\$HOST" = "." && HOST=$x sh ./config.guess $x \\\\\\
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; BUILD=$x grep "^#### \$\$HOST " Makefile | sed -e 's/.*|//' $x \\\\\\
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; found=$x echo \$\$BUILD | wc -w $x \\\\\\
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; echo "MAKE \$\$HOST : \$\$found \$(PACKAGE)-\$(VERSION).*" \\\\\\
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; if test "\$\$found" -eq "0" ; then : \\\\\\
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; BUILD=$x grep "^#### .*|" Makefile |tail -1| sed -e 's/.*|//' $x \\\\\\
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; fi ; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
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; for f in \$\$i/\$(PACKAGE)-\$(VERSION).* \\\\\\
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; do test -f "\$\$f" && mv "\$\$f" \$(PUB). ; done ; break ; done
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dnl special rule add-on: "distclean" removes all local builddirs completely
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/distclean[]_ALL *:/a\\
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@ HOST="\$(HOST)\" \\\\\\
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; test ".\$\$HOST" = "." && HOST=$x sh $AUX/config.guess $x \\\\\\
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; BUILD=$x grep "^#### .*|" Makefile | sed -e 's/.*|//' $x \\\\\\
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; use=$x basename "\$\@" _ALL $x; n=$x echo \$\$BUILD | wc -w $x \\\\\\
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; echo "MAKE \$\$HOST : \$\$n * \$\@ (all local builds)" \\\\\\
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; test ".\$\$BUILD" = "." && BUILD="." \\\\\\
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; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
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; echo "# rm -r \$\$i"; done ; echo "# (sleep 3)" ; sleep 3 \\\\\\
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; for i in \$\$BUILD ; do test ".\$\$i" = "." && continue \\\\\\
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; echo "\$\$i" | grep "^/" > /dev/null && continue \\\\\\
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; echo "\$\$i" | grep "^../" > /dev/null && continue \\\\\\
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; echo "rm -r \$\$i"; (rm -r "\$\$i") ; done ; rm Makefile
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_EOF
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cp "$tmp/conftemp.sed" "$SRC/makefile.sed~" ## DEBUGGING
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$SED -f $tmp/conftemp.sed Makefile >$SRC/Makefile
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if test -f "$SRC/m4_ifval([$2],[$2],[END])" ; then
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AC_MSG_NOTICE([extend TOP/Makefile with TOP/m4_ifval([$2],[$2],[END])])
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cat $SRC/END >>$SRC/Makefile
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fi ; xxxx="####"
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echo "$xxxx CONFIGURATIONS FOR TOPLEVEL MAKEFILE: " >>$SRC/Makefile
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# sanity check
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if grep '^; echo "MAKE ' $SRC/Makefile >/dev/null ; then
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AC_MSG_NOTICE([buggy sed found - it deletes tab in "a" text parts])
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$SED -e '/^@ HOST=/s/^/ /' -e '/^; /s/^/ /' $SRC/Makefile \
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>$SRC/Makefile~
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(test -s $SRC/Makefile~ && mv $SRC/Makefile~ $SRC/Makefile) 2>/dev/null
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fi
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else
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xxxx="\\#\\#\\#\\#"
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# echo "/^$xxxx *$ax_enable_builddir_host /d" >$tmp/conftemp.sed
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echo "s!^$xxxx [[^|]]* | *$SUB *\$!$xxxx ...... $SUB!" >$tmp/conftemp.sed
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$SED -f "$tmp/conftemp.sed" "$SRC/Makefile" >$tmp/mkfile.tmp
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cp "$tmp/conftemp.sed" "$SRC/makefiles.sed~" ## DEBUGGING
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cp "$tmp/mkfile.tmp" "$SRC/makefiles.out~" ## DEBUGGING
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if cmp -s "$SRC/Makefile" "$tmp/mkfile.tmp" 2>/dev/null ; then
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AC_MSG_NOTICE([keeping TOP/Makefile from earlier configure])
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rm "$tmp/mkfile.tmp"
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else
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AC_MSG_NOTICE([reusing TOP/Makefile from earlier configure])
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mv "$tmp/mkfile.tmp" "$SRC/Makefile"
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fi
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fi
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AC_MSG_NOTICE([build in $SUB (HOST=$ax_enable_builddir_host)])
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xxxx="####"
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echo "$xxxx" "$ax_enable_builddir_host" "|$SUB" >>$SRC/Makefile
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fi
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popdef([END])dnl
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AS_VAR_POPDEF([SED])dnl
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AS_VAR_POPDEF([AUX])dnl
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AS_VAR_POPDEF([SRC])dnl
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AS_VAR_POPDEF([TOP])dnl
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AS_VAR_POPDEF([SUB])dnl
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],[dnl
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ax_enable_builddir_srcdir="$srcdir" # $srcdir
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ax_enable_builddir_host="$HOST" # $HOST / $host
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ax_enable_builddir_version="$VERSION" # $VERSION
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ax_enable_builddir_package="$PACKAGE" # $PACKAGE
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ax_enable_builddir_auxdir="$ax_enable_builddir_auxdir" # $AUX
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ax_enable_builddir_sed="$ax_enable_builddir_sed" # $SED
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ax_enable_builddir="$ax_enable_builddir" # $SUB
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])dnl
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])
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