--- /dev/null
+# @(#) configure.inc 1.40@(#)
+# Copyright (c) 1999-2007 David Parsons. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# 3. My name may not be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY DAVID PARSONS ``AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID
+# PARSONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+# THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+
+#
+# this preamble code is executed when this file is sourced and it picks
+# interesting things off the command line.
+#
+ac_default_path="/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin"
+
+ac_standard="--src=DIR where the source lives (.)
+--prefix=DIR where to install the final product (/usr/local)
+--execdir=DIR where to put executables (prefix/bin)
+--sbindir=DIR where to put static executables (prefix/sbin)
+--confdir=DIR where to put configuration information (/etc)
+--libdir=DIR where to put libraries (prefix/lib)
+--libexecdir=DIR where to put private executables
+--mandir=DIR where to put manpages"
+
+__fail=exit
+
+if dirname B/A 2>/dev/null >/dev/null; then
+__ac_dirname() {
+ dirname "$1"
+}
+else
+__ac_dirname() {
+ echo "$1" | sed -e 's:/[^/]*$::'
+}
+fi
+
+ac_progname=$0
+ac_configure_command=
+Q=\'
+for x in "$@"; do
+ ac_configure_command="$ac_configure_command $Q$x$Q"
+done
+# ac_configure_command="$*"
+
+__d=`__ac_dirname "$ac_progname"`
+if [ "$__d" = "$ac_progname" ]; then
+ AC_SRCDIR=`pwd`
+else
+ AC_SRCDIR=`cd $__d;pwd`
+fi
+
+__ac_dir() {
+ if test -d "$1"; then
+ (cd "$1";pwd)
+ else
+ echo "$1";
+ fi
+}
+
+while [ $# -gt 0 ]; do
+ unset matched
+
+ case X"$1" in
+ X--src|X--srcdir)
+ AC_SRCDIR=`__ac_dir "$2"`
+ _set_srcdir=1
+ shift 2;;
+
+ X--src=*|X--srcdir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_SRCDIR=`__ac_dir "$__d"`
+ _set_srcdir=1
+ shift 1 ;;
+
+ X--prefix)
+ AC_PREFIX=`__ac_dir "$2"`
+ _set_prefix=1
+ shift 2;;
+
+ X--prefix=*)
+ __d=`echo "$1"| sed -e 's/^[^=]*=//'`
+ AC_PREFIX=`__ac_dir "$__d"`
+ _set_prefix=1
+ shift 1;;
+
+ X--confdir)
+ AC_CONFDIR=`__ac_dir "$2"`
+ _set_confdir=1
+ shift 2;;
+
+ X--confdir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_CONFDIR=`__ac_dir "$__d"`
+ _set_confdir=1
+ shift 1;;
+
+ X--libexec|X--libexecdir)
+ AC_LIBEXEC=`__ac_dir "$2"`
+ _set_libexec=1
+ shift 2;;
+
+ X--libexec=*|X--libexecdir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_LIBEXEC=`__ac_dir "$__d"`
+ _set_libexec=1
+ shift 1;;
+
+ X--lib|X--libdir)
+ AC_LIBDIR=`__ac_dir "$2"`
+ _set_libdir=1
+ shift 2;;
+
+ X--lib=*|X--libdir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_LIBDIR=`__ac_dir "$__d"`
+ _set_libdir=1
+ shift 1;;
+
+ X--exec|X--execdir)
+ AC_EXECDIR=`__ac_dir "$2"`
+ _set_execdir=1
+ shift 2;;
+
+ X--exec=*|X--execdir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_EXECDIR=`__ac_dir "$__d"`
+ _set_execdir=1
+ shift 1;;
+
+ X--sbin|X--sbindir)
+ AC_SBINDIR=`__ac_dir "$2"`
+ _set_sbindir=1
+ shift 2;;
+
+ X--sbin=*|X--sbindir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_SBINDIR=`__ac_dir "$__d"`
+ _set_sbindir=1
+ shift 1;;
+
+ X--man|X--mandir)
+ AC_MANDIR=`__ac_dir "$2"`
+ _set_mandir=1
+ shift 2;;
+
+ X--man=*|X--mandir=*)
+ __d=`echo "$1" | sed -e 's/^[^=]*=//'`
+ AC_MANDIR=`__ac_dir "$__d"`
+ _set_mandir=1
+ shift 1;;
+
+ X--use-*=*)
+ _var=`echo "$1"| sed -n 's/^--use-\([A-Za-z][-A-Za-z0-9_]*\)=.*$/\1/p'`
+ if [ "$_var" ]; then
+ _val=`echo "$1" | sed -e 's/^--use-[^=]*=\(.*\)$/\1/'`
+ _v=`echo $_var | tr '[a-z]' '[A-Z]' | tr '-' '_'`
+ case X"$_val" in
+ X[Yy][Ee][Ss]|X[Tt][Rr][Uu][Ee]) eval USE_${_v}=T ;;
+ X[Nn][Oo]|X[Ff][Aa][Ll][Ss][Ee]) eval unset USE_${_v} ;;
+ *) echo "Bad value for --use-$_var ; must be yes or no"
+ exit 1 ;;
+ esac
+ else
+ echo "Bad option $1. Use --help to show options" 1>&2
+ exit 1
+ fi
+ shift 1 ;;
+
+ X--use-*)
+ _var=`echo "$1"|sed -n 's/^--use-\([A-Za-z][-A-Za-z0-9_]*\)$/\1/p'`
+ _v=`echo $_var | tr '[a-z]' '[A-Z]' | tr '-' '_'`
+ eval USE_${_v}=T
+ shift 1;;
+
+ X--with-*=*)
+ _var=`echo "$1"| sed -n 's/^--with-\([A-Za-z][-A-Za-z0-9_]*\)=.*$/\1/p'`
+ if [ "$_var" ]; then
+ _val=`echo "$1" | sed -e 's/^--with-[^=]*=\(.*\)$/\1/'`
+ _v=`echo $_var | tr '[a-z]' '[A-Z]' | tr '-' '_'`
+ eval WITH_${_v}=\"$_val\"
+ else
+ echo "Bad option $1. Use --help to show options" 1>&2
+ exit 1
+ fi
+ shift 1 ;;
+
+ X--with-*)
+ _var=`echo "$1" | sed -n 's/^--with-\([A-Za-z][A-Za-z0-9_-]*\)$/\1/p'`
+ if [ "$_var" ]; then
+ _v=`echo $_var | tr '[a-z]' '[A-Z]' | tr '-' '_'`
+ eval WITH_${_v}=1
+ else
+ echo "Bad option $1. Use --help to show options" 1>&2
+ exit 1
+ fi
+ shift 1 ;;
+
+ X--help)
+ echo "$ac_standard"
+ test "$ac_help" && echo "$ac_help"
+ exit 0;;
+
+ *) if [ "$LOCAL_AC_OPTIONS" ]; then
+ eval "$LOCAL_AC_OPTIONS"
+ else
+ ac_error=T
+ fi
+ if [ "$ac_error" ]; then
+ echo "Bad option $1. Use --help to show options" 1>&2
+ exit 1
+ fi ;;
+ esac
+done
+
+
+#
+# echo w/o newline
+#
+echononl()
+{
+ ${ac_echo:-echo} "${@}$ac_echo_nonl"
+}
+
+#
+# log something to the terminal and to a logfile.
+#
+LOG () {
+ echo "$@"
+ echo "$@" 1>&5
+}
+
+#
+# log something to the terminal without a newline, and to a logfile with
+# a newline
+#
+LOGN () {
+ echononl "$@" 1>&5
+ echo "$@"
+}
+
+#
+# log something to the terminal
+#
+TLOG () {
+ echo "$@" 1>&5
+}
+
+#
+# log something to the terminal, no newline
+#
+TLOGN () {
+ echononl "$@" 1>&5
+}
+
+
+#
+# AC_CONTINUE tells configure not to bomb if something fails, but to
+# continue blithely along
+#
+AC_CONTINUE () {
+ __fail="return"
+}
+
+#
+# Emulate gnu autoconf's AC_CHECK_HEADERS() function
+#
+AC_CHECK_HEADERS () {
+ AC_PROG_CC
+
+ echo "/* AC_CHECK_HEADERS */" > /tmp/ngc$$.c
+ for hdr in $*; do
+ echo "#include <$hdr>" >> /tmp/ngc$$.c
+ done
+ echo "main() { }" >> /tmp/ngc$$.c
+
+ LOGN "checking for header $hdr"
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c; then
+ AC_DEFINE 'HAVE_'`echo $hdr | tr 'a-z' 'A-Z' | tr './' '_'` 1
+ TLOG " (found)"
+ rc=0
+ else
+ TLOG " (not found)"
+ rc=1
+ fi
+ rm -f /tmp/ngc$$.c /tmp/ngc$$
+ return $rc
+}
+
+
+#
+# emulate GNU autoconf's AC_CHECK_FUNCS function
+#
+AC_CHECK_FUNCS () {
+ AC_PROG_CC
+
+F=$1
+shift
+rm -f /tmp/ngc$$.c
+
+while [ "$1" ]; do
+ echo "#include <$1>" >> /tmp/ngc$$.c
+ shift
+done
+
+ cat >> /tmp/ngc$$.c << EOF
+main()
+{
+
+ $F();
+}
+EOF
+
+ LOGN "checking for the $F function"
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c $LIBS; then
+ AC_DEFINE `echo ${2:-HAVE_$F} | tr 'a-z' 'A-Z'` 1
+ TLOG " (found)"
+ rc=0
+ else
+ echo "offending command was:"
+ cat /tmp/ngc$$.c
+ echo "$AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c $LIBS"
+ TLOG " (not found)"
+ rc=1
+ fi
+ rm -f /tmp/ngc$$.c /tmp/ngc$$
+ return $rc
+}
+
+
+#
+# check to see if some structure exists
+#
+# usage: AC_CHECK_STRUCT structure {include ...}
+#
+AC_CHECK_STRUCT () {
+ AC_PROG_CC
+ struct=$1
+ shift
+
+ rm -f /tmp/ngc$$.c
+
+ for include in $*; do
+ echo "#include <$include>" >> /tmp/ngc$$.c
+ done
+
+ cat >> /tmp/ngc$$.c << EOF
+main()
+{
+ struct $struct foo;
+}
+EOF
+
+ LOGN "checking for struct $struct"
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c $AC_LIBS 2>>config.log; then
+ AC_DEFINE HAVE_STRUCT_`echo ${struct} | tr 'a-z' 'A-Z'`
+ TLOG " (found)"
+ rc=0
+ else
+ TLOG " (not found)"
+ rc=1
+ fi
+ rm -f /tmp/ngc$$.c /tmp/ngc$$
+ return $rc
+}
+
+
+#
+# check to see if some structure contains a field
+#
+# usage: AC_CHECK_FIELD structure field {include ...}
+#
+AC_CHECK_FIELD () {
+ AC_PROG_CC
+
+ struct=$1
+ field=$2
+ shift 2
+
+ rm -f /tmp/ngc$$.c
+
+ for include in $*;do
+ echo "#include <$include>" >> /tmp/ngc$$.c
+ done
+
+ cat >> /tmp/ngc$$.c << EOF
+main()
+{
+ struct $struct foo;
+
+ foo.$field;
+}
+EOF
+
+ LOGN "checking that struct $struct has a $field field"
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c $AC_LIBS 2>>config.log; then
+ AC_DEFINE HAVE_`echo ${struct}_$field | tr 'a-z' 'A-Z'`
+ TLOG " (yes)"
+ rc=0
+ else
+ TLOG " (no)"
+ rc=1
+ fi
+ rm -f /tmp/ngc$$.c /tmp/ngc$$
+ return $rc
+}
+
+
+#
+# check that the C compiler works
+#
+AC_PROG_CC () {
+ test "$AC_CC" && return 0
+
+ cat > /tmp/ngc$$.c << \EOF
+#include <stdio.h>
+main()
+{
+ puts("hello, sailor");
+}
+EOF
+
+ TLOGN "checking the C compiler"
+
+ unset AC_CFLAGS AC_LDFLAGS
+
+ if [ "$CC" ] ; then
+ AC_CC="$CC"
+ elif [ "$WITH_PATH" ]; then
+ AC_CC=`acLookFor cc`
+ elif [ "`acLookFor cc`" ]; then
+ # don't specify the full path if the user is looking in their $PATH
+ # for a C compiler.
+ AC_CC=cc
+ fi
+
+ # finally check for POSIX c89
+ test "$AC_CC" || AC_CC=`acLookFor c89`
+
+ if [ ! "$AC_CC" ]; then
+ TLOG " (no C compiler found)"
+ $__fail 1
+ fi
+ echo "checking out the C compiler"
+
+ $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c
+ status=$?
+
+ TLOGN " ($AC_CC)"
+ if [ $status -eq 0 ]; then
+ TLOG " ok"
+
+ # check that the CFLAGS and LDFLAGS aren't bogus
+
+ unset AC_CFLAGS AC_LDFLAGS
+
+ if [ "$CFLAGS" ]; then
+ test "$CFLAGS" && echo "validating CFLAGS=${CFLAGS}"
+ if $AC_CC $CFLAGS -o /tmp/ngc$$.o /tmp/ngc$$.c ; then
+ AC_CFLAGS=${CFLAGS:-"-g"}
+ test "$CFLAGS" && echo "CFLAGS=\"${CFLAGS}\" are okay"
+ elif [ "$CFLAGS" ]; then
+ echo "ignoring bogus CFLAGS=\"${CFLAGS}\""
+ fi
+ else
+ AC_CFLAGS=-g
+ fi
+ if [ "$LDFLAGS" ]; then
+ test "$LDFLAGS" && echo "validating LDFLAGS=${LDFLAGS}"
+ if $AC_CC $LDFLAGS -o /tmp/ngc$$ /tmp/ngc$$.o; then
+ AC_LDFLAGS=${LDFLAGS:-"-g"}
+ test "$LDFLAGS" && TLOG "LDFLAGS=\"${LDFLAGS}\" are okay"
+ elif [ "$LDFLAGS" ]; then
+ TLOG "ignoring bogus LDFLAGS=\"${LDFLAGS}\""
+ fi
+ else
+ AC_LDFLAGS=${CFLAGS:-"-g"}
+ fi
+ else
+ AC_FAIL " does not compile code properly"
+ fi
+
+ AC_SUB 'CC' "$AC_CC"
+
+ rm -f /tmp/ngc$$ /tmp/ngc$$.c /tmp/ngc$$.o
+
+ return $status
+}
+
+
+#
+# acLookFor actually looks for a program, without setting anything.
+#
+acLookFor () {
+ path=${AC_PATH:-$ac_default_path}
+ case "X$1" in
+ X-[rx]) __mode=$1
+ shift
+ ;;
+ *) __mode=-x
+ ;;
+ esac
+ oldifs="$IFS"
+ for program in $*; do
+ IFS=":"
+ for x in $path; do
+ if [ $__mode $x/$program -a -f $x/$program ]; then
+ echo $x/$program
+ break 2
+ fi
+ done
+ done
+ IFS="$oldifs"
+ unset __mode
+}
+
+
+#
+# check that a program exists and set its path
+#
+MF_PATH_INCLUDE () {
+ SYM=$1; shift
+
+ case X$1 in
+ X-[rx]) __mode=$1
+ shift
+ ;;
+ *) unset __mode
+ ;;
+ esac
+
+ TLOGN "looking for $1"
+
+ DEST=`acLookFor $__mode $*`
+
+ __sym=`echo "$SYM" | tr '[a-z]' '[A-Z]'`
+ if [ "$DEST" ]; then
+ TLOG " ($DEST)"
+ echo "$1 is $DEST"
+ AC_MAK $SYM
+ AC_DEFINE PATH_$__sym \""$DEST"\"
+ AC_SUB $__sym "$DEST"
+ eval CF_$SYM=$DEST
+ return 0
+ else
+ #AC_SUB $__sym ''
+ echo "$1 is not found"
+ TLOG " (not found)"
+ return 1
+ fi
+}
+
+
+#
+# AC_INIT starts the ball rolling
+#
+# After AC_INIT, fd's 1 and 2 point to config.log
+# and fd 5 points to what used to be fd 1
+#
+AC_INIT () {
+ __config_files="config.cmd config.sub config.h config.mak config.log"
+ rm -f $__config_files
+ __cwd=`pwd`
+ exec 5>&1 1>$__cwd/config.log 2>&1
+ AC_CONFIGURE_FOR=__AC_`echo $1 | sed -e 's/\..$//' | tr 'a-z' 'A-Z' | tr ' ' '_'`_D
+
+ # check to see whether to use echo -n or echo ...\c
+ #
+ echo -n hello > $$
+ echo world >> $$
+ if grep "helloworld" $$ >/dev/null; then
+ ac_echo="echo -n"
+ echo "[echo -n] works"
+ else
+ ac_echo="echo"
+ echo 'hello\c' > $$
+ echo 'world' >> $$
+ if grep "helloworld" $$ >/dev/null; then
+ ac_echo_nonl='\c'
+ echo "[echo ...\\c] works"
+ fi
+ fi
+ rm -f $$
+
+ LOG "Configuring for [$1]"
+
+ cat > $__cwd/config.h << EOF
+/*
+ * configuration for $1${2:+" ($2)"}, generated `date`
+ * by ${LOGNAME:-`whoami`}@`hostname`
+ */
+#ifndef $AC_CONFIGURE_FOR
+#define $AC_CONFIGURE_FOR 1
+
+
+EOF
+
+ unset __share
+ if [ -d $AC_PREFIX/share/man ]; then
+ for t in 1 2 3 4 5 6 7 8 9; do
+ if [ -d $AC_PREFIX/share/man/man$t ]; then
+ __share=/share
+ elif [ -d $AC_PREFIX/share/man/cat$t ]; then
+ __share=/share
+ fi
+ done
+ else
+ __share=
+ fi
+
+ if [ -d $AC_PREFIX/libexec ]; then
+ __libexec=libexec
+ else
+ __libexec=lib
+ fi
+
+
+ AC_PREFIX=${AC_PREFIX:-/usr/local}
+ AC_EXECDIR=${AC_EXECDIR:-$AC_PREFIX/bin}
+ AC_SBINDIR=${AC_SBINDIR:-$AC_PREFIX/sbin}
+ AC_LIBDIR=${AC_LIBDIR:-$AC_PREFIX/lib}
+ AC_MANDIR=${AC_MANDIR:-$AC_PREFIX$__share/man}
+ AC_LIBEXEC=${AC_LIBEXEC:-$AC_PREFIX/$__libexec}
+ AC_CONFDIR=${AC_CONFDIR:-/etc}
+
+ AC_PATH=${WITH_PATH:-$PATH}
+ AC_PROG_CPP
+ AC_PROG_INSTALL
+
+ ac_os=`uname -s`
+ _os=`echo $ac_os | tr '[a-z]' '[A-Z]'`
+ AC_DEFINE OS_$_os 1
+ eval OS_${_os}=1
+ unset _os
+}
+
+
+#
+# AC_LIBRARY checks to see if a given library exists and contains the
+# given function.
+# usage: AC_LIBRARY function library [alternate ...]
+#
+AC_LIBRARY() {
+ SRC=$1
+ shift
+
+ __acllibs=
+ __aclhdrs=
+
+ for x in "$@"; do
+ case X"$x" in
+ X-l*) __acllibs="$__acllibs $x" ;;
+ *) __aclhdrs="$__aclhdrs $x" ;;
+ esac
+ done
+
+ # first see if the function can be found in any of the
+ # current libraries
+ AC_QUIET AC_CHECK_FUNCS $SRC $__aclhdrs && return 0
+
+ # then search through the list of libraries
+ __libs="$LIBS"
+ for x in $__acllibs; do
+ LIBS="$__libs $x"
+ if AC_QUIET AC_CHECK_FUNCS $SRC $__aclhdrs; then
+ AC_LIBS="$AC_LIBS $x"
+ return 0
+ fi
+ done
+ return 1
+}
+
+
+#
+# AC_PROG_LEX checks to see if LEX exists, and if it's lex or flex.
+#
+AC_PROG_LEX() {
+ TLOGN "looking for lex "
+
+ DEST=`acLookFor lex`
+ if [ "$DEST" ]; then
+ AC_MAK LEX
+ AC_DEFINE PATH_LEX \"$DEST\"
+ AC_SUB 'LEX' "$DEST"
+ echo "lex is $DEST"
+ else
+ DEST=`acLookFor flex`
+ if [ "$DEST" ]; then
+ AC_MAK FLEX
+ AC_DEFINE 'LEX' \"$DEST\"
+ AC_SUB 'LEX', "$DEST"
+ echo "lex is $DEST"
+ else
+ AC_SUB LEX ''
+ echo "neither lex or flex found"
+ TLOG " (not found)"
+ return 1
+ fi
+ fi
+
+ if AC_LIBRARY yywrap -ll -lfl; then
+ TLOG "($DEST)"
+ return 0
+ fi
+ TLOG "(no lex library found)"
+ return 1
+}
+
+
+#
+# AC_PROG_YACC checks to see if YACC exists, and if it's bison or
+# not.
+#
+AC_PROG_YACC () {
+
+ TLOGN "looking for yacc "
+
+ DEST=`acLookFor yacc`
+ if [ "$DEST" ]; then
+ AC_MAK YACC
+ AC_DEFINE PATH_YACC \"$DEST\"
+ AC_SUB 'YACC' "$DEST"
+ TLOG "($DEST)"
+ echo "yacc is $DEST"
+ else
+ DEST=`acLookFor bison`
+ if [ "$DEST" ]; then
+ AC_MAK BISON
+ AC_DEFINE 'YACC' \"$DEST\"
+ AC_SUB 'YACC' "$DEST -y"
+ echo "yacc is $DEST -y"
+ TLOG "($DEST -y)"
+ else
+ AC_SUB 'YACC' ''
+ echo "neither yacc or bison found"
+ TLOG " (not found)"
+ return 1
+ fi
+ fi
+ return 0
+}
+
+
+#
+# AC_PROG_LN_S checks to see if ln exists, and, if so, if ln -s works
+#
+AC_PROG_LN_S () {
+ test "$AC_FIND_PROG" || AC_PROG_FIND
+
+ test "$AC_FIND_PROG" || return 1
+
+ TLOGN "looking for \"ln -s\""
+ DEST=`acLookFor ln`
+
+ if [ "$DEST" ]; then
+ rm -f /tmp/b$$
+ $DEST -s /tmp/a$$ /tmp/b$$
+ if [ "`$AC_FIND_PROG /tmp/b$$ -type l -print`" ]; then
+ TLOG " ($DEST)"
+ echo "$DEST exists, and ln -s works"
+ AC_SUB 'LN_S' "$DEST -s"
+ rm -f /tmp/b$$
+ else
+ AC_SUB 'LN_S' ''
+ TLOG " ($DEST exists, but -s does not seem to work)"
+ echo "$DEST exists, but ln -s doesn't seem to work"
+ rm -f /tmp/b$$
+ return 1
+ fi
+ else
+ AC_SUB 'LN_S' ''
+ echo "ln not found"
+ TLOG " (not found)"
+ return 1
+ fi
+}
+
+
+#
+# AC_PROG_FIND looks for the find program and sets the FIND environment
+# variable
+#
+AC_PROG_FIND () {
+ if test -z "$AC_FIND_PROG"; then
+ MF_PATH_INCLUDE FIND find
+ rc=$?
+ AC_FIND_PROG=$DEST
+ return $rc
+ fi
+ return 0
+}
+
+
+#
+# AC_PROG_AWK looks for the awk program and sets the AWK environment
+# variable
+#
+AC_PROG_AWK () {
+ if test -z "$AC_AWK_PROG"; then
+ MF_PATH_INCLUDE AWK awk
+ rc=$?
+ AC_AWK_PROG=$DEST
+ return $rc
+ fi
+ return 0
+}
+
+
+#
+# AC_PROG_SED looks for the sed program and sets the SED environment
+# variable
+#
+AC_PROG_SED () {
+ if test -z "$AC_SED_PROG"; then
+ MF_PATH_INCLUDE SED sed
+ rc=$?
+ AC_SED_PROG=$DEST
+ return $rc
+ fi
+ return 0
+}
+
+
+#
+# AC_HEADER_SYS_WAIT looks for sys/wait.h
+#
+AC_HEADER_SYS_WAIT () {
+ AC_CHECK_HEADERS sys/wait.h || return 1
+}
+
+#
+# AC_TYPE_PID_T checks to see if the pid_t type exists
+#
+AC_TYPE_PID_T () {
+ cat > /tmp/pd$$.c << EOF
+#include <sys/types.h>
+main() { pid_t me; }
+EOF
+
+ LOGN "checking for pid_t"
+
+ if $AC_CC -c /tmp/pd$$.c -o /tmp/pd$$.o; then
+ TLOG " (found)"
+ rc=0
+ else
+ echo "typedef int pid_t;" >> $__cwd/config.h
+ TLOG " (not found)"
+ rc=1
+ fi
+ rm -f /tmp/pd$$.o /tmp/pd$$.c
+ return $rc
+}
+
+
+#
+# AC_C_CONST checks to see if the compiler supports the const keyword
+#
+AC_C_CONST () {
+ cat > /tmp/pd$$.c << EOF
+const char me=1;
+EOF
+ LOGN "checking for \"const\" keyword"
+
+ if $AC_CC -c /tmp/pd$$.c -o /tmp/pd$$.o; then
+ TLOG " (yes)"
+ rc=0
+ else
+ AC_DEFINE 'const' '/**/'
+ TLOG " (no)"
+ rc=1
+ fi
+ rm -f /tmp/pd$$.o /tmp/pd$$.c
+ return $rc
+}
+
+
+#
+# AC_SCALAR_TYPES checks to see if the compiler can generate 2 and 4 byte ints.
+#
+AC_SCALAR_TYPES () {
+ cat > /tmp/pd$$.c << EOF
+#include <stdio.h>
+main()
+{
+ unsigned long v_long;
+ unsigned int v_int;
+ unsigned short v_short;
+
+ if (sizeof v_long == 4)
+ puts("#define DWORD unsigned long");
+ else if (sizeof v_int == 4)
+ puts("#define DWORD unsigned int");
+ else
+ exit(1);
+
+ if (sizeof v_int == 2)
+ puts("#define WORD unsigned int");
+ else if (sizeof v_short == 2)
+ puts("#define WORD unsigned short");
+ else
+ exit(2);
+ puts("#define BYTE unsigned char");
+ exit(0);
+}
+EOF
+ rc=1
+ LOGN "defining WORD & DWORD scalar types"
+ if $AC_CC /tmp/pd$$.c -o /tmp/pd$$; then
+ if /tmp/pd$$ >> $__cwd/config.h; then
+ rc=0
+ fi
+ fi
+ case "$rc" in
+ 0) TLOG "" ;;
+ *) TLOG " ** FAILED **" ;;
+ esac
+ rm -f /tmp/pd$$ /tmp/pd$$.c
+}
+
+
+#
+# AC_OUTPUT generates makefiles from makefile.in's
+#
+AC_OUTPUT () {
+ cd $__cwd
+ AC_SUB 'LIBS' "$AC_LIBS"
+ AC_SUB 'CONFIGURE_FILES' "$__config_files"
+ AC_SUB 'GENERATED_FILES' "$*"
+ AC_SUB 'CFLAGS' "$AC_CFLAGS"
+ AC_SUB 'FCFLAGS' "$AC_FCFLAGS"
+ AC_SUB 'CXXFLAGS' "$AC_CXXFLAGS"
+ AC_SUB 'LDFLAGS' "$AC_LDFLAGS"
+ AC_SUB 'srcdir' "$AC_SRCDIR"
+ AC_SUB 'prefix' "$AC_PREFIX"
+ AC_SUB 'exedir' "$AC_EXECDIR"
+ AC_SUB 'sbindir' "$AC_SBINDIR"
+ AC_SUB 'libdir' "$AC_LIBDIR"
+ AC_SUB 'libexec' "$AC_LIBEXEC"
+ AC_SUB 'confdir' "$AC_CONFDIR"
+ AC_SUB 'mandir' "$AC_MANDIR"
+
+ if [ -r config.sub ]; then
+ test "$AC_SED_PROG" || AC_PROG_SED
+ test "$AC_SED_PROG" || return 1
+
+ echo >> config.h
+ echo "#endif/* ${AC_CONFIGURE_FOR} */" >> config.h
+
+ rm -f config.cmd
+ Q=\'
+ cat - > config.cmd << EOF
+#! /bin/sh
+${CXX:+CXX=${Q}${CXX}${Q}} ${CXXFLAGS:+CXXFLAGS=${Q}${CXXFLAGS}${Q}} ${FC:+FC=${Q}${FC}${Q}} ${FCFLAGS:+FCFLAGS=${Q}${FCFLAGS}${Q}} ${CC:+CC=${Q}${CC}${Q}} ${CFLAGS:+CFLAGS=${Q}${CFLAGS}${Q}} $ac_progname $ac_configure_command
+EOF
+ chmod +x config.cmd
+
+ __d=$AC_SRCDIR
+ for makefile in $*;do
+ if test -r $__d/${makefile}.in; then
+ LOG "generating $makefile"
+ ./config.md `__ac_dirname ./$makefile` 2>/dev/null
+ $AC_SED_PROG -f config.sub < $__d/${makefile}.in > $makefile
+ __config_files="$__config_files $makefile"
+ else
+ LOG "WARNING: ${makefile}.in does not exist!"
+ fi
+ done
+ unset __d
+
+ else
+ echo
+ fi
+}
+
+#
+# AC_CHECK_FLOCK checks to see if flock() exists and if the LOCK_NB argument
+# works properly.
+#
+AC_CHECK_FLOCK() {
+
+ AC_CHECK_HEADERS sys/types.h sys/file.h fcntl.h
+
+ cat << EOF > $$.c
+#include <stdio.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <fcntl.h>
+
+main()
+{
+ int x = open("$$.c", O_RDWR, 0666);
+ int y = open("$$.c", O_RDWR, 0666);
+
+ if (flock(x, LOCK_EX) != 0)
+ exit(1);
+ if (flock(y, LOCK_EX|LOCK_NB) == 0)
+ exit(1);
+ exit(0);
+}
+EOF
+
+ LOGN "checking for flock()"
+ HAS_FLOCK=0
+ if $AC_CC -o flock $$.c ; then
+ if ./flock ; then
+ LOG " (found)"
+ HAS_FLOCK=1
+ AC_DEFINE HAS_FLOCK
+ else
+ LOG " (bad)"
+ fi
+ else
+ LOG " (no)"
+ fi
+
+ rm -f flock $$.c
+
+ case "$HAS_FLOCK" in
+ 0) return 1 ;;
+ *) return 0 ;;
+ esac
+}
+
+
+#
+# AC_CHECK_RESOLVER finds out whether the berkeley resolver is
+# present on this system.
+#
+AC_CHECK_RESOLVER () {
+ AC_PROG_CC
+
+ TLOGN "checking for the Berkeley resolver library"
+
+ cat > /tmp/ngc$$.c << EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
+main()
+{
+ char bfr[256];
+
+ res_init();
+ res_query("hello", C_IN, T_A, bfr, sizeof bfr);
+}
+EOF
+
+ # first see if res_init() and res_query() actually exist...
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c; then
+ __extralib=
+ elif $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c -lresolv; then
+ __extralib=-lresolv
+ AC_LIBS="$AC_LIBS -lresolv"
+ else
+ TLOG " (not found)"
+ rm -f /tmp/ngc$$.c
+ return 1
+ fi
+
+ # if res_init() and res_query() actually exist, check to
+ # see if the HEADER structure is defined ...
+
+ cat > /tmp/ngc$$.c << EOF
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+
+main()
+{
+ HEADER hhh;
+ res_init();
+}
+EOF
+
+ if $AC_CC -o /tmp/ngc$$ /tmp/ngc$$.c $__extralib; then
+ TLOG " (found)"
+ elif $AC_CC -DBIND_8_COMPAT -o /tmp/ngc$$ /tmp/ngc$$.c $__extralib; then
+ TLOG " (bind9 with BIND_8_COMPAT)"
+ AC_DEFINE BIND_8_COMPAT 1
+ else
+ TLOG " (broken)"
+ rm -f /tmp/ngc$$.c
+ return 1
+ fi
+ rm -f /tmp/ngc$$.c
+ return 0
+}
+
+
+#
+# AC_PROG_INSTALL finds the install program and guesses whether it's a
+# Berkeley or GNU install program
+#
+AC_PROG_INSTALL () {
+
+ DEST=`acLookFor install`
+
+ LOGN "checking for install"
+ unset IS_BSD
+ if [ "$DEST" ]; then
+ # BSD install or GNU install? Let's find out...
+ touch /tmp/a$$
+
+ $DEST /tmp/a$$ /tmp/b$$
+
+ if test -r /tmp/a$$; then
+ LOG " ($DEST)"
+ else
+ IS_BSD=1
+ LOG " ($DEST) bsd install"
+ fi
+ rm -f /tmp/a$$ /tmp/b$$
+ else
+ DEST=`acLookFor ginstall`
+ if [ "$DEST" ]; then
+ LOG " ($DEST)"
+ else
+ DEST="false"
+ LOG " (not found)"
+ fi
+ fi
+
+ if [ "$IS_BSD" ]; then
+ PROG_INSTALL="$DEST -c"
+ else
+ PROG_INSTALL="$DEST"
+ fi
+
+ AC_SUB 'INSTALL' "$PROG_INSTALL"
+ AC_SUB 'INSTALL_PROGRAM' "$PROG_INSTALL -s -m 755"
+ AC_SUB 'INSTALL_DATA' "$PROG_INSTALL -m 444"
+
+ # finally build a little directory installer
+ # if mkdir -p works, use that, otherwise use install -d,
+ # otherwise build a script to do it by hand.
+ # in every case, test to see if the directory exists before
+ # making it.
+
+ if mkdir -p $$a/b; then
+ # I like this method best.
+ __mkdir="mkdir -p"
+ rmdir $$a/b
+ rmdir $$a
+ elif $PROG_INSTALL -d $$a/b; then
+ __mkdir="$PROG_INSTALL -d"
+ rmdir $$a/b
+ rmdir $$a
+ fi
+
+ __config_files="$__config_files config.md"
+ AC_SUB 'INSTALL_DIR' "$__cwd/config.md"
+ echo "#! /bin/sh" > $__cwd/config.md
+ echo "# script generated" `date` "by configure.sh" >> $__cwd/config.md
+ echo >> $__cwd/config.md
+ if [ "$__mkdir" ]; then
+ echo "test -d \"\$1\" || $__mkdir \"\$1\"" >> $__cwd/config.md
+ echo "exit $?" >> $__cwd/config.md
+ else
+ cat - >> $__cwd/config.md << \EOD
+pieces=`IFS=/; for x in $1; do echo $x; done`
+dir=
+for x in $pieces; do
+ dir="$dir$x"
+ mkdir $dir || exit 1
+ dir="$dir/"
+done
+exit 0
+EOD
+ fi
+ chmod +x $__cwd/config.md
+}
+
+#
+# acCheckCPP is a local that runs a C preprocessor with a given set of
+# compiler options
+#
+acCheckCPP () {
+ cat > /tmp/ngc$$.c << EOF
+#define FOO BAR
+
+FOO
+EOF
+
+ if $1 $2 /tmp/ngc$$.c > /tmp/ngc$$.o; then
+ if grep -v '#define' /tmp/ngc$$.o | grep -s BAR >/dev/null; then
+ echo "CPP=[$1], CPPFLAGS=[$2]"
+ AC_SUB 'CPP' "$1"
+ AC_SUB 'CPPFLAGS' "$2"
+ rm /tmp/ngc$$.c /tmp/ngc$$.o
+ return 0
+ fi
+ fi
+ rm /tmp/ngc$$.c /tmp/ngc$$.o
+ return 1
+}
+
+
+#
+# AC_PROG_CPP checks for cpp, then checks to see which CPPFLAGS are needed
+# to run it as a filter.
+#
+AC_PROG_CPP () {
+ if [ "$AC_CPP_PROG" ]; then
+ DEST=$AC_CPP_PROG
+ else
+ __ac_path="$AC_PATH"
+ AC_PATH="/lib:/usr/lib:${__ac_path:-$ac_default_path}"
+ DEST=`acLookFor cpp`
+ AC_PATH="$__ac_path"
+ fi
+
+ unset fail
+ LOGN "Looking for cpp"
+ if [ "$DEST" ]; then
+ TLOGN " ($DEST)"
+ acCheckCPP $DEST "$CPPFLAGS" || \
+ acCheckCPP $DEST -traditional-cpp -E || \
+ acCheckCPP $DEST -E || \
+ acCheckCPP $DEST -traditional-cpp -pipe || \
+ acCheckCPP $DEST -pipe || fail=1
+
+ if [ "$fail" ]; then
+ AC_FAIL " (can't run cpp as a pipeline)"
+ else
+ TLOG " ok"
+ return 0
+ fi
+ fi
+ AC_FAIL " (not found)"
+}
+
+#
+# AC_FAIL spits out an error message, then __fail's
+AC_FAIL() {
+ LOG "$*"
+ $__fail 1
+}
+
+#
+# AC_SUB writes a substitution into config.sub
+AC_SUB() {
+ ( echononl "s;@$1@;"
+ _subst=`echo $2 | sed -e 's/;/\\;/g'`
+ echononl "$_subst"
+ echo ';g' ) >> $__cwd/config.sub
+}
+
+#
+# AC_MAK writes a define into config.mak
+AC_MAK() {
+ echo "HAVE_$1 = 1" >> $__cwd/config.mak
+}
+
+#
+# AC_DEFINE adds a #define to config.h
+AC_DEFINE() {
+ echo "#define $1 ${2:-1}" >> $__cwd/config.h
+}
+
+#
+# AC_INCLUDE adds a #include to config.h
+AC_INCLUDE() {
+ echo "#include \"$1\"" >> $__cwd/config.h
+}
+
+#
+# AC_CONFIG adds a configuration setting to all the config files
+AC_CONFIG() {
+ AC_DEFINE "PATH_$1" \""$2"\"
+ AC_MAK "$1"
+ AC_SUB "$1" "$2"
+}
+
+#
+# AC_QUIET does something quietly
+AC_QUIET() {
+ eval $* 5>/dev/null
+}
projects / bup.git / commitdiff