+ if test $? -ne 0; then
+
+ eval "OPTIONAL"=\"`eval echo \"'$'OPTIONAL\" \"bison\"`\"
+
+ if test "OPTIONAL" = "REQUIRED"; then
+ command="echo ERROR: bison not found"
+ # abort configure process here?
+ else
+ command="- echo bison not found"
+ fi
+ eval "BISON"='$command'
+ false
+ else
+ true
+ fi
+
+ if test $? -eq 0 -a -n ""; then
+
+ r="`eval echo '$'"BISON"`"
+ { $as_echo "$as_me:$LINENO: checking $r version" >&5
+$as_echo_n "checking $r version... " >&6; }
+ exe=`
+ ## which doesn't work in ash, if /usr/bin/which isn't installed
+ ## type -p doesn't work in ash
+ ## command -v doesn't work in zsh
+ ## command -v "$r" 2>&1
+ ## this test should work in ash, bash, pdksh (ksh), zsh
+ type -p $r 2>/dev/null | tail -n 1 | awk '{print $NF}'
+`
+ if test -n ""; then
+ ver=""
+ else
+ ver=`
+ ## "$exe" --version 2>&1 | grep -v '^$' | head -n 1 | awk '{print $NF}'
+ ##
+ ## ARG.
+ ## Workaround for broken Debian gcc version string:
+ ## gcc (GCC) 3.1.1 20020606 (Debian prerelease)
+ ##
+ ## -V: Workaround for python
+
+ #dnl
+
+ ## Assume and hunt for dotted version multiplet.
+ ## use eval trickery, because we cannot use multi-level $() instead of ``
+ ## for compatibility reasons.
+
+ ## grab the first version number in --version output.
+ eval _ver=\"\`("$exe" --version || "$exe" -V) 2>&1 |
+ grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+ head -n 1 |
+ tr ' ' '\n' |
+ sed 's/\([0-9][0-9]*\.[0-9][0-9.]*\).*/\1/g' |
+ grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+ head -n 1\`\"
+
+ if test -z "$_ver"; then
+ ## If empty, try date [fontforge]
+ eval _ver=\"\`("$exe" --version || "$exe" -V) 2>&1 | grep '[0-9]\{6,8\}' \
+ | head -n 1 \
+ | sed -e 's/^[^.0-9]*//' -e 's/[^.0-9]*$//'\`\"
+ fi
+ echo "$_ver"
+ #dnl
+`
+ fi
+ num=`
+ echo "$ver" | awk -F. '
+ {
+ if ($3) {three = $3}
+ else {three = 0}
+ }
+ {printf "%.0f\n", $1*1000000 + $2*1000 + three}'
+`
+ req=`
+ echo "" | awk -F. '
+ {
+ if ($3) {three = $3}
+ else {three = 0}
+ }
+ {printf "%.0f\n", $1*1000000 + $2*1000 + three}'
+`
+ { $as_echo "$as_me:$LINENO: result: $ver" >&5
+$as_echo "$ver" >&6; }
+ if test "$num" -lt "$req"; then
+
+ eval "OPTIONAL"=\"`eval echo \"'$'OPTIONAL\" \""$r >= (installed: $ver)"\"`\"
+
+ fi
+ vervar="`echo BISON | tr 'a-z' 'A-Z'`_VERSION"
+ eval `echo $vervar=$num`
+## AC_SUBST(`eval echo $vervar`)
+
+ fi
+
+
+ # urg. should test functionality rather than version.
+ if test "$BISON" = "bison" -a -n "1.29"; then
+
+ r="`eval echo '$'"BISON"`"
+ { $as_echo "$as_me:$LINENO: checking $r version" >&5
+$as_echo_n "checking $r version... " >&6; }
+ exe=`
+ ## which doesn't work in ash, if /usr/bin/which isn't installed
+ ## type -p doesn't work in ash
+ ## command -v doesn't work in zsh
+ ## command -v "$r" 2>&1
+ ## this test should work in ash, bash, pdksh (ksh), zsh
+ type -p $r 2>/dev/null | tail -n 1 | awk '{print $NF}'
+`
+ if test -n ""; then
+ ver=""
+ else
+ ver=`
+ ## "$exe" --version 2>&1 | grep -v '^$' | head -n 1 | awk '{print $NF}'
+ ##
+ ## ARG.
+ ## Workaround for broken Debian gcc version string:
+ ## gcc (GCC) 3.1.1 20020606 (Debian prerelease)
+ ##
+ ## -V: Workaround for python
+
+ #dnl
+
+ ## Assume and hunt for dotted version multiplet.
+ ## use eval trickery, because we cannot use multi-level $() instead of ``
+ ## for compatibility reasons.
+
+ ## grab the first version number in --version output.
+ eval _ver=\"\`("$exe" --version || "$exe" -V) 2>&1 |
+ grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+ head -n 1 |
+ tr ' ' '\n' |
+ sed 's/\([0-9][0-9]*\.[0-9][0-9.]*\).*/\1/g' |
+ grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+ head -n 1\`\"
+
+ if test -z "$_ver"; then
+ ## If empty, try date [fontforge]
+ eval _ver=\"\`("$exe" --version || "$exe" -V) 2>&1 | grep '[0-9]\{6,8\}' \
+ | head -n 1 \
+ | sed -e 's/^[^.0-9]*//' -e 's/[^.0-9]*$//'\`\"
+ fi
+ echo "$_ver"
+ #dnl
+`
+ fi
+ num=`
+ echo "$ver" | awk -F. '
+ {
+ if ($3) {three = $3}
+ else {three = 0}
+ }
+ {printf "%.0f\n", $1*1000000 + $2*1000 + three}'
+`
+ req=`
+ echo "1.29" | awk -F. '
+ {
+ if ($3) {three = $3}
+ else {three = 0}
+ }
+ {printf "%.0f\n", $1*1000000 + $2*1000 + three}'
+`
+ { $as_echo "$as_me:$LINENO: result: $ver" >&5
+$as_echo "$ver" >&6; }
+ if test "$num" -lt "$req"; then
+
+ eval "OPTIONAL"=\"`eval echo \"'$'OPTIONAL\" \""$r >= 1.29 (installed: $ver)"\"`\"
+
+ fi
+ vervar="`echo BISON | tr 'a-z' 'A-Z'`_VERSION"
+ eval `echo $vervar=$num`
+## AC_SUBST(`eval echo $vervar`)
+
+ fi
+
+
+ # ugh, automake: we want (and check for) flex
+ # AC_PROG_LEX
+ # urg: automake 1.3: hope this doesn't break 1.2 ac_cv_pro_lex_root hack...
+
+ # AC_PROG_LEX()
+ # ugh, ugh
+ ac_cv_prog_lex_root=lex.yy
+
+ for ac_prog in flex
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_FLEX+set}" = set; then
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$FLEX"; then
+ ac_cv_prog_FLEX="$FLEX" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_FLEX="$ac_prog"
+ $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done