libraries/webkitgtk: Patched for icu4c-65.1, disabled warnings spam.

Add workaround for bison-3.7.1 (thanks to chrisretusn on LQ),
add a fix for icu-68 (thanks to Spinlock on LQ)

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

libraries/webkitgtk/bison-3.7.1.patch

@@ -0,0 +1,18 @@
+--- webkitgtk-2.4.11.orig/GNUmakefile.in	2020-08-28 22:11:51.510864558 +0800
++++ webkitgtk-2.4.11.new/GNUmakefile.in	2020-08-28 22:24:17.657842406 +0800
+@@ -82071,6 +82071,7 @@
+ $(GENSOURCES_WEBCORE)/XPathGrammar.cpp: $(WebCore)/xml/XPathGrammar.y
+ 	$(AM_V_GEN)
+ 	$(AM_V_at)perl $(WebCore)/css/makegrammar.pl --outputDir $(GENSOURCES_WEBCORE) --bison "$(BISON)" --symbolsPrefix xpathyy $<
++	$(AM_V_at)cp $(GENSOURCES_WEBCORE)/XPathGrammar.h $(GENSOURCES_WEBCORE)/XPathGrammar.hpp
+ 
+ # MathML tag and attribute names, and element factory
+ DerivedSources/WebCore/MathMLElementFactory.h: DerivedSources/WebCore/MathMLElementFactory.cpp
+@@ -82129,6 +82130,7 @@
+ DerivedSources/WebCore/CSSGrammar.cpp: $(WebCore)/css/CSSGrammar.y.in
+ 	$(AM_V_GEN)
+ 	$(AM_V_at)perl -I $(WebCore)/bindings/scripts $(WebCore)/css/makegrammar.pl --extraDefines "$(feature_defines)" --outputDir $(GENSOURCES_WEBCORE) --bison "$(BISON)" --symbolsPrefix cssyy $<
++	$(AM_V_at)cp $(GENSOURCES_WEBCORE)/CSSGrammar.h $(GENSOURCES_WEBCORE)/CSSGrammar.hpp
+ 
+ DerivedSources/WebCore/UserAgentStyleSheetsData.cpp: DerivedSources/WebCore/UserAgentStyleSheets.h
+ DerivedSources/WebCore/UserAgentStyleSheets.h: $(WebCore)/css/make-css-file-arrays.pl $(WebCore)/bindings/scripts/preprocessor.pm $(USER_AGENT_STYLE_SHEETS)

libraries/webkitgtk/icu4c-65.1.patch

@@ -0,0 +1,39 @@
+diff -Naur webkitgtk-2.4.11.orig/Source/WebCore/dom/Document.cpp webkitgtk-2.4.11/Source/WebCore/dom/Document.cpp
+--- webkitgtk-2.4.11.orig/Source/WebCore/dom/Document.cpp	2016-04-10 08:48:37.000000000 +0200
++++ webkitgtk-2.4.11/Source/WebCore/dom/Document.cpp	2019-10-07 17:41:57.798058000 +0200
+@@ -3912,12 +3912,12 @@
+     unsigned i = 0;
+ 
+     UChar32 c;
+-    U16_NEXT(characters, i, length, c)
++    U16_NEXT(characters, i, length, c);
+     if (!isValidNameStart(c))
+         return false;
+ 
+     while (i < length) {
+-        U16_NEXT(characters, i, length, c)
++        U16_NEXT(characters, i, length, c);
+         if (!isValidNamePart(c))
+             return false;
+     }
+@@ -3980,7 +3980,7 @@
+     const UChar* s = qualifiedName.deprecatedCharacters();
+     for (unsigned i = 0; i < length;) {
+         UChar32 c;
+-        U16_NEXT(s, i, length, c)
++        U16_NEXT(s, i, length, c);
+         if (c == ':') {
+             if (sawColon) {
+                 ec = NAMESPACE_ERR;
+diff -Naur webkitgtk-2.4.11.orig/Source/WebCore/platform/graphics/SegmentedFontData.cpp webkitgtk-2.4.11/Source/WebCore/platform/graphics/SegmentedFontData.cpp
+--- webkitgtk-2.4.11.orig/Source/WebCore/platform/graphics/SegmentedFontData.cpp	2016-04-10 08:48:37.000000000 +0200
++++ webkitgtk-2.4.11/Source/WebCore/platform/graphics/SegmentedFontData.cpp	2019-10-07 17:22:38.534058000 +0200
+@@ -61,7 +61,7 @@
+ {
+     UChar32 c;
+     for (int i = 0; i < length; ) {
+-        U16_NEXT(characters, i, length, c)
++        U16_NEXT(characters, i, length, c);
+         if (!containsCharacter(c))
+             return false;
+     }

libraries/webkitgtk/webkitgtk.SlackBuild

@@ -75,8 +75,14 @@ if pkg-config --exists geoclue ; then GEOCLUE="yes" ; else GEOCLUE="no" ; fi
 # Fix for gcc-6.x
 patch -p1 < $CWD/webkitgtk-2.4.9-abs.patch
 
+# https://bugs.webkit.org/show_bug.cgi?id=202600
+patch -p1 < $CWD/icu4c-65.1.patch
+
+patch -p1 < $CWD/bison-3.7.1.patch
+
+# Disable excessive warnings spam
 CFLAGS="$SLKCFLAGS -fno-delete-null-pointer-checks" \
-CXXFLAGS="$SLKCFLAGS -fno-delete-null-pointer-checks -fpermissive" \
+CXXFLAGS="$SLKCFLAGS -DU_DEFINE_FALSE_AND_TRUE=1 -fno-delete-null-pointer-checks -fpermissive -Wno-deprecated-declarations -Wno-deprecated-copy -Wno-expansion-to-defined -Wno-class-memaccess -Wno-ignored-qualifiers -Wno-redundant-move -Wno-misleading-indentation -Wno-cast-function-type" \
 ./configure \
   --prefix=/usr \
   --disable-static \