File 0001-fix-building-with-bison-3.7.patch of Package libQtWebKit4
--- ./Source/WebCore/css/makegrammar.pl.orig 2020-10-19 18:23:30.107037394 +0200
+++ ./Source/WebCore/css/makegrammar.pl 2020-10-19 18:24:25.458580698 +0200
@@ -73,23 +73,5 @@
}
my $fileBase = File::Spec->join($outputDir, $filename);
-system("$bison -d -p $symbolsPrefix $grammarFilePath -o $fileBase.cpp");
-
-open HEADER, ">$fileBase.h" or die;
-print HEADER << "EOF";
-#ifndef CSSGRAMMAR_H
-#define CSSGRAMMAR_H
-EOF
-
-open HPP, "<$fileBase.cpp.h" or open HPP, "<$fileBase.hpp" or die;
-while (<HPP>) {
- print HEADER;
-}
-close HPP;
-
-print HEADER "#endif\n";
-close HEADER;
-
-unlink("$fileBase.cpp.h");
-unlink("$fileBase.hpp");
+system("$bison --defines=$fileBase.h -p $symbolsPrefix $grammarFilePath -o $fileBase.cpp");
--- ./Source/WebCore/DerivedSources.pri.orig 2014-09-24 13:42:05.000000000 +0200
+++ ./Source/WebCore/DerivedSources.pri 2020-10-19 18:26:55.701340941 +0200
@@ -957,7 +957,7 @@
# GENERATOR 10: XPATH grammar
xpathbison.output = ${QMAKE_FILE_BASE}.cpp
xpathbison.input = XPATHBISON
-xpathbison.commands = bison -d -p xpathyy ${QMAKE_FILE_NAME} -o ${QMAKE_FUNC_FILE_OUT_PATH}/${QMAKE_FILE_BASE}.tab.c && $(MOVE) ${QMAKE_FUNC_FILE_OUT_PATH}$${QMAKE_DIR_SEP}${QMAKE_FILE_BASE}.tab.c ${QMAKE_FUNC_FILE_OUT_PATH}$${QMAKE_DIR_SEP}${QMAKE_FILE_BASE}.cpp && $(MOVE) ${QMAKE_FUNC_FILE_OUT_PATH}$${QMAKE_DIR_SEP}${QMAKE_FILE_BASE}.tab.h ${QMAKE_FUNC_FILE_OUT_PATH}$${QMAKE_DIR_SEP}${QMAKE_FILE_BASE}.h
+xpathbison.commands = bison --defines=${QMAKE_FUNC_FILE_OUT_PATH}/${QMAKE_FILE_BASE}.h -p xpathyy ${QMAKE_FILE_NAME} -o ${QMAKE_FUNC_FILE_OUT_PATH}/${QMAKE_FILE_BASE}.cpp
xpathbison.depends = ${QMAKE_FILE_NAME}
GENERATORS += xpathbison