# Fix up yacc output to allow dynamic allocation. Since perly.c
# is now provided with the perl source, this should not be necessary.
-#
+#
# However, if the user wishes to use byacc, or wishes to try another
# compiler compiler (e.g. bison or yacc), this script will get run.
# See makefile run_byacc target for more details.
#
# Additional information to make the BSD section work with SunOS 4.0.2
# tdinger@East.Sun.COM (Tom Dinger) 4/15/1991
+#
+# Also edit some practices gcc -Wall finds questionable.
+#
input=$1
output=$2
tmp=/tmp/f$$
+inputh=`echo $input|sed 's:\.c$:.h:'`
+if grep '^#ifdef PERL_CORE' $inputh; then
+ : never mind
+else
+ echo "#ifdef PERL_CORE" > $tmp
+ sed -e 's:^typedef union {:#endif /* PERL_CORE */\
+\
+typedef union {:' $inputh >> $tmp
+ mv -f $tmp $inputh
+fi
+
if grep 'yaccpar 1.8 (Berkeley)' $input >/dev/null 2>&1; then
cp $input $output
# Don't expect the diff to do everything -- do some by hand
-e '/^static static/s/^static //' \
-e '/^#define.WORD/,/^#define.ARROW/d' \
-e '/^int.yydebug/,/^#define.yystacksize/d' \
+ -e 's/^yyerrlab:$//' \
+ -e 's/^ goto yyerrlab;//' \
+ -e 's/^yynewerror:$//' \
+ -e 's/^ goto yynewerror;//' \
+ -e 's|^static char yysccsid\(.*\)|/* static char yysccsid\1 */|' \
< $output > $tmp && mv -f $tmp $output || exit 1
rm -rf $input
echo "If you need to debug perly.c, you need to fix up the #line"
-e '/^static static/s/^static //' \
-e '/^#define.WORD/,/^#define.ARROW/d' \
-e '/^int.yydebug/,/^#define.yystacksize/d' \
+ -e 's/^yyerrlab:$//' \
+ -e 's/^ goto yyerrlab;//' \
+ -e 's/^yynewerror:$//' \
+ -e 's/^ goto yynewerror;//' \
+ -e 's|^static char yysccsid\(.*\)|/* static char yysccsid\1 */|' \
< $output > $tmp && mv -f $tmp $output || exit 1
rm -rf $input
echo "If you need to debug perly.c, you need to fix up the #line"