-{ echo "$as_me:$LINENO: checking " >&5
-echo $ECHO_N "checking ... $ECHO_C" >&6; }
-if test "${ac_cv_has_flex+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- for ac_prog in flex lex
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_LEX+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- if test -n "$LEX"; then
- ac_cv_prog_LEX="$LEX" # Let the user override the test.
-else
-as_save_IFS=$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_LEX="$ac_prog"
- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-LEX=$ac_cv_prog_LEX
-if test -n "$LEX"; then
- { echo "$as_me:$LINENO: result: $LEX" >&5
-echo "${ECHO_T}$LEX" >&6; }
-else
- { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-
- test -n "$LEX" && break
-done
-test -n "$LEX" || LEX=":"
-
-if test "x$LEX" != "x:"; then
- cat >conftest.l <<_ACEOF
-%%
-a { ECHO; }
-b { REJECT; }
-c { yymore (); }
-d { yyless (1); }
-e { yyless (input () != 0); }
-f { unput (yytext[0]); }
-. { BEGIN INITIAL; }
-%%
-#ifdef YYTEXT_POINTER
-extern char *yytext;
-#endif
-int
-main (void)
-{
- return ! yylex () + ! yywrap ();
-}
-_ACEOF
-{ (ac_try="$LEX conftest.l"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$LEX conftest.l") 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }
-{ echo "$as_me:$LINENO: checking lex output file root" >&5
-echo $ECHO_N "checking lex output file root... $ECHO_C" >&6; }
-if test "${ac_cv_prog_lex_root+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
-if test -f lex.yy.c; then
- ac_cv_prog_lex_root=lex.yy
-elif test -f lexyy.c; then
- ac_cv_prog_lex_root=lexyy
-else
- { { echo "$as_me:$LINENO: error: cannot find output from $LEX; giving up" >&5
-echo "$as_me: error: cannot find output from $LEX; giving up" >&2;}
- { (exit 1); exit 1; }; }
-fi
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_lex_root" >&5
-echo "${ECHO_T}$ac_cv_prog_lex_root" >&6; }
-LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root
-
-if test -z "${LEXLIB+set}"; then
- { echo "$as_me:$LINENO: checking lex library" >&5
-echo $ECHO_N "checking lex library... $ECHO_C" >&6; }
-if test "${ac_cv_lib_lex+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-
- ac_save_LIBS=$LIBS
- ac_cv_lib_lex='none needed'
- for ac_lib in '' -lfl -ll; do
- LIBS="$ac_lib $ac_save_LIBS"
- cat >conftest.$ac_ext <<_ACEOF
-`cat $LEX_OUTPUT_ROOT.c`
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext &&
- $as_test_x conftest$ac_exeext; then
- ac_cv_lib_lex=$ac_lib
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
- test "$ac_cv_lib_lex" != 'none needed' && break
- done
- LIBS=$ac_save_LIBS
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_lib_lex" >&5
-echo "${ECHO_T}$ac_cv_lib_lex" >&6; }
- test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex
-fi
-
-
-{ echo "$as_me:$LINENO: checking whether yytext is a pointer" >&5
-echo $ECHO_N "checking whether yytext is a pointer... $ECHO_C" >&6; }
-if test "${ac_cv_prog_lex_yytext_pointer+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- # POSIX says lex can declare yytext either as a pointer or an array; the
-# default is implementation-dependent. Figure out which it is, since
-# not all implementations provide the %pointer and %array declarations.
-ac_cv_prog_lex_yytext_pointer=no
-ac_save_LIBS=$LIBS
-LIBS="$LEXLIB $ac_save_LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-#define YYTEXT_POINTER 1
-`cat $LEX_OUTPUT_ROOT.c`
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
- (eval "$ac_link") 2>conftest.er1
- ac_status=$?
- grep -v '^ *+' conftest.er1 >conftest.err
- rm -f conftest.er1
- cat conftest.err >&5
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && {
- test -z "$ac_c_werror_flag" ||
- test ! -s conftest.err
- } && test -s conftest$ac_exeext &&
- $as_test_x conftest$ac_exeext; then
- ac_cv_prog_lex_yytext_pointer=yes
-else
- echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
- conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_save_LIBS
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_prog_lex_yytext_pointer" >&5
-echo "${ECHO_T}$ac_cv_prog_lex_yytext_pointer" >&6; }
-if test $ac_cv_prog_lex_yytext_pointer = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define YYTEXT_POINTER 1
-_ACEOF
-
-fi
-rm -f conftest.l $LEX_OUTPUT_ROOT.c
-
-fi
-
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_has_flex" >&5
-echo "${ECHO_T}$ac_cv_has_flex" >&6; }
-if test "$LEX" != "flex"; then
- { { echo "$as_me:$LINENO: error: flex not found but required" >&5
-echo "$as_me: error: flex not found but required" >&2;}
- { (exit 1); exit 1; }; }
-else
- FLEX=flex
-
-fi
-
-{ echo "$as_me:$LINENO: checking " >&5
-echo $ECHO_N "checking ... $ECHO_C" >&6; }
-if test "${llvm_cv_has_bison+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- for ac_prog in 'bison -y' byacc
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ echo "$as_me:$LINENO: checking for $ac_word" >&5
-echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
-if test "${ac_cv_prog_YACC+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- if test -n "$YACC"; then
- ac_cv_prog_YACC="$YACC" # Let the user override the test.
-else
-as_save_IFS=$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_YACC="$ac_prog"
- echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
-done
-IFS=$as_save_IFS
-
-fi
-fi
-YACC=$ac_cv_prog_YACC
-if test -n "$YACC"; then
- { echo "$as_me:$LINENO: result: $YACC" >&5
-echo "${ECHO_T}$YACC" >&6; }
-else
- { echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6; }
-fi
-
-
- test -n "$YACC" && break
-done
-test -n "$YACC" || YACC="yacc"
-
-fi
-{ echo "$as_me:$LINENO: result: $llvm_cv_has_bison" >&5
-echo "${ECHO_T}$llvm_cv_has_bison" >&6; }
-if test "$YACC" != "bison -y"; then
-
- { echo "$as_me:$LINENO: WARNING: bison not found, can't rebuild grammars" >&5
-echo "$as_me: WARNING: bison not found, can't rebuild grammars" >&2;}
-else
- BISON=bison
-
-fi