463 lines
12 KiB
Bash
463 lines
12 KiB
Bash
#!/bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated automatically using autoconf.
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# Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp] [--no-create]
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# [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE] [TARGET]
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# Ignores all args except --srcdir, --prefix, --exec-prefix, --no-create, and
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# --with-PACKAGE unless this script has special code to handle it.
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for arg
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do
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# Handle --exec-prefix with a space before the argument.
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if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
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# Handle --host with a space before the argument.
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elif test x$next_host = xyes; then next_host=
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# Handle --prefix with a space before the argument.
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elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
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# Handle --srcdir with a space before the argument.
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elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
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else
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case $arg in
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# For backward compatibility, also recognize exact --exec_prefix.
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-exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* | --exec=* | --exe=* | --ex=* | --e=*)
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exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
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-exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
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next_exec_prefix=yes ;;
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-gas | --gas | --ga | --g) ;;
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-host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
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-host | --host | --hos | --ho | --h)
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next_host=yes ;;
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-nfp | --nfp | --nf) ;;
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-no-create | --no-create | --no-creat | --no-crea | --no-cre | --no-cr | --no-c | --no- | --no)
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no_create=1 ;;
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-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
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prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
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-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
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next_prefix=yes ;;
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-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
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srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
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-srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
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next_srcdir=yes ;;
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-with-* | --with-*)
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package=`echo $arg|sed 's/-*with-//'`
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# Delete all the valid chars; see if any are left.
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if test -n "`echo $package|sed 's/[-a-zA-Z0-9_]*//g'`"; then
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echo "configure: $package: invalid package name" >&2; exit 1
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fi
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eval "with_`echo $package|sed s/-/_/g`=1" ;;
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*) ;;
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esac
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fi
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done
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trap 'rm -f conftest* core; exit 1' 1 3 15
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rm -f conftest*
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compile='${CC-cc} $CFLAGS $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
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# A filename unique to this package, relative to the directory that
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# configure is in, which we can look for to find out if srcdir is correct.
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unique_file=regex.c
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# Find the source files, if location was not specified.
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if test -z "$srcdir"; then
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srcdirdefaulted=yes
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# Try the directory containing this script, then `..'.
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prog=$0
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confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
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test "X$confdir" = "X$prog" && confdir=.
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srcdir=$confdir
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if test ! -r $srcdir/$unique_file; then
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srcdir=..
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fi
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fi
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if test ! -r $srcdir/$unique_file; then
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if test x$srcdirdefaulted = xyes; then
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echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
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else
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echo "configure: Can not find sources in \`${srcdir}'." 1>&2
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fi
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exit 1
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fi
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# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
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# But we can't avoid them for `..', to make subdirectories work.
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case $srcdir in
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.|/*|~*) ;;
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*) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
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esac
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if test -z "$CC"; then
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echo checking for gcc
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saveifs="$IFS"; IFS="${IFS}:"
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for dir in $PATH; do
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test -z "$dir" && dir=.
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if test -f $dir/gcc; then
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CC="gcc"
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break
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fi
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done
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IFS="$saveifs"
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fi
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test -z "$CC" && CC="cc"
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# Find out if we are using GNU C, under whatever name.
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cat > conftest.c <<EOF
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#ifdef __GNUC__
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yes
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#endif
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EOF
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${CC-cc} -E conftest.c > conftest.out 2>&1
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if egrep yes conftest.out >/dev/null 2>&1; then
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GCC=1 # For later tests.
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fi
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rm -f conftest*
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# Make sure to not get the incompatible SysV /etc/install and
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# /usr/sbin/install, which might be in PATH before a BSD-like install,
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# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
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# or the AFS install, which mishandles nonexistent args. (Sigh.)
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if test -z "$INSTALL"; then
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echo checking for install
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saveifs="$IFS"; IFS="${IFS}:"
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for dir in $PATH; do
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test -z "$dir" && dir=.
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case $dir in
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/etc|/usr/sbin|/usr/etc|/usr/afsws/bin) ;;
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*)
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if test -f $dir/install; then
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if grep dspmsg $dir/install >/dev/null 2>&1; then
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: # AIX
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else
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INSTALL="$dir/install -c"
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INSTALL_PROGRAM='$(INSTALL)'
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INSTALL_DATA='$(INSTALL) -m 644'
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break
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fi
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fi
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;;
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esac
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done
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IFS="$saveifs"
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fi
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INSTALL=${INSTALL-cp}
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INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
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INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
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echo checking for AIX
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echo checking how to run the C preprocessor
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if test -z "$CPP"; then
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CPP='${CC-cc} -E'
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cat > conftest.c <<EOF
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#include <stdio.h>
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EOF
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err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
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if test -z "$err"; then
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:
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else
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CPP=/lib/cpp
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fi
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rm -f conftest*
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fi
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cat > conftest.c <<EOF
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#ifdef _AIX
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yes
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#endif
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EOF
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eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
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if egrep "yes" conftest.out >/dev/null 2>&1; then
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DEFS="$DEFS -D_ALL_SOURCE=1"
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fi
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rm -f conftest*
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echo checking for DYNIX/ptx libseq
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cat > conftest.c <<EOF
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#if defined(_SEQUENT_)
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yes
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#endif
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EOF
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eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
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if egrep "yes" conftest.out >/dev/null 2>&1; then
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SEQUENT=1
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fi
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rm -f conftest*
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test -n "$SEQUENT" && test -f /usr/lib/libseq.a &&
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LIBS="$LIBS -lseq"
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echo checking for POSIXized ISC
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if test -d /etc/conf/kconfig.d &&
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grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1
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then
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ISC=1 # If later tests want to check for ISC.
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DEFS="$DEFS -D_POSIX_SOURCE=1"
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if test -n "$GCC"; then
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CC="$CC -posix"
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else
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CC="$CC -Xp"
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fi
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fi
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echo checking for minix/config.h
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cat > conftest.c <<EOF
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#include <minix/config.h>
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EOF
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err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
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if test -z "$err"; then
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MINIX=1
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fi
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rm -f conftest*
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# The Minix shell can't assign to the same variable on the same line!
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if test -n "$MINIX"; then
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DEFS="$DEFS -D_POSIX_SOURCE=1"
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DEFS="$DEFS -D_POSIX_1_SOURCE=2"
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DEFS="$DEFS -D_MINIX=1"
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fi
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echo checking for ANSI C header files
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cat > conftest.c <<EOF
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <float.h>
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EOF
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err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
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if test -z "$err"; then
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# SunOS string.h does not declare mem*, contrary to ANSI.
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echo '#include <string.h>' > conftest.c
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eval "$CPP $DEFS conftest.c > conftest.out 2>&1"
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if egrep "memchr" conftest.out >/dev/null 2>&1; then
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# SGI's /bin/cc from Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
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cat > conftest.c <<EOF
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#include <ctype.h>
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#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
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#define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
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#define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
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int main () { int i; for (i = 0; i < 256; i++)
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if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
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exit (0); }
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EOF
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eval $compile
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if test -s conftest && (./conftest; exit) 2>/dev/null; then
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DEFS="$DEFS -DSTDC_HEADERS=1"
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fi
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rm -f conftest*
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fi
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rm -f conftest*
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fi
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rm -f conftest*
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for hdr in string.h
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do
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trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
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echo checking for ${hdr}
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cat > conftest.c <<EOF
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#include <${hdr}>
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EOF
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err=`eval "$CPP $DEFS conftest.c 2>&1 >/dev/null"`
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if test -z "$err"; then
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DEFS="$DEFS -D${trhdr}=1"
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fi
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rm -f conftest*
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done
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# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
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# for constant arguments. Useless!
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echo checking for working alloca.h
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cat > conftest.c <<EOF
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#include <alloca.h>
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main() { exit(0); }
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t() { char *p = alloca(2 * sizeof(int)); }
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EOF
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if eval $compile; then
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DEFS="$DEFS -DHAVE_ALLOCA_H=1"
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fi
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rm -f conftest*
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decl="#ifdef __GNUC__
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#define alloca __builtin_alloca
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#else
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#if HAVE_ALLOCA_H
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#include <alloca.h>
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#else
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#ifdef _AIX
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#pragma alloca
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#else
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char *alloca ();
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#endif
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#endif
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#endif
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"
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echo checking for alloca
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cat > conftest.c <<EOF
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$decl
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main() { exit(0); }
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t() { char *p = (char *) alloca(1); }
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EOF
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if eval $compile; then
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:
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else
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alloca_missing=1
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fi
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rm -f conftest*
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if test -n "$alloca_missing"; then
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# The SVR3 libPW and SVR4 libucb both contain incompatible functions
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# that cause trouble. Some versions do not even contain alloca or
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# contain a buggy version. If you still want to use their alloca,
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# use ar to extract alloca.o from them instead of compiling alloca.c.
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ALLOCA=alloca.o
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fi
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prog='/* Ultrix mips cc rejects this. */
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typedef int charset[2]; const charset x;
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/* SunOS 4.1.1 cc rejects this. */
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char const *const *p;
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char **p2;
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/* HPUX 7.0 cc rejects these. */
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++p;
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p2 = (char const* const*) p;'
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echo checking for working const
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cat > conftest.c <<EOF
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main() { exit(0); }
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t() { $prog }
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EOF
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if eval $compile; then
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:
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else
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DEFS="$DEFS -Dconst="
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fi
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rm -f conftest*
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if test -z "$prefix"
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then
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echo checking for gcc to derive installation directory prefix
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saveifs="$IFS"; IFS="$IFS:"
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for dir in $PATH; do
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test -z "$dir" && dir=.
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if test $dir != . && test -f $dir/gcc; then
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# Not all systems have dirname.
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prefix=`echo $dir|sed 's%/[^/][^/]*$%%'`
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break
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fi
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done
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IFS="$saveifs"
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fi
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if test -n "$prefix"; then
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test -z "$exec_prefix" && exec_prefix='${prefix}'
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prsub="s%^prefix\\([ ]*\\)=\\([ ]*\\).*$%prefix\\1=\\2$prefix%"
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fi
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if test -n "$exec_prefix"; then
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prsub="$prsub
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s%^exec_prefix\\([ ]*\\)=\\([ ]*\\).*$%\
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exec_prefix\\1=\\2$exec_prefix%"
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fi
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trap 'rm -f config.status; exit 1' 1 3 15
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echo creating config.status
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rm -f config.status
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cat > config.status <<EOF
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#!/bin/sh
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# Generated automatically by configure.
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# Run this file to recreate the current configuration.
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# This directory was configured as follows,
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# on host `(hostname || uname -n) 2>/dev/null`:
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#
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# $0 $*
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for arg
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do
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case "\$arg" in
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-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
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exec /bin/sh $0 $* ;;
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*) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
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esac
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done
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trap 'rm -f Makefile doc/Makefile test/Makefile; exit 1' 1 3 15
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CC='$CC'
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INSTALL='$INSTALL'
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INSTALL_PROGRAM='$INSTALL_PROGRAM'
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INSTALL_DATA='$INSTALL_DATA'
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CPP='$CPP'
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ALLOCA='$ALLOCA'
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LIBS='$LIBS'
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srcdir='$srcdir'
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DEFS='$DEFS'
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prefix='$prefix'
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exec_prefix='$exec_prefix'
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prsub='$prsub'
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EOF
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cat >> config.status <<\EOF
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top_srcdir=$srcdir
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for file in .. Makefile doc/Makefile test/Makefile; do if [ "x$file" != "x.." ]; then
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srcdir=$top_srcdir
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# Remove last slash and all that follows it. Not all systems have dirname.
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dir=`echo $file|sed 's%/[^/][^/]*$%%'`
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if test "$dir" != "$file"; then
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test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
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test ! -d $dir && mkdir $dir
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fi
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echo creating $file
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rm -f $file
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echo "# Generated automatically from `echo $file|sed 's|.*/||'`.in by configure." > $file
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sed -e "
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$prsub
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s%@CC@%$CC%g
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s%@INSTALL@%$INSTALL%g
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s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
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s%@INSTALL_DATA@%$INSTALL_DATA%g
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s%@CPP@%$CPP%g
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s%@ALLOCA@%$ALLOCA%g
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s%@LIBS@%$LIBS%g
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s%@srcdir@%$srcdir%g
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s%@DEFS@%$DEFS%
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" $top_srcdir/${file}.in >> $file
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fi; done
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exit 0
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EOF
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chmod +x config.status
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test -n "$no_create" || ./config.status
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