Source/WTF/wtf/ExportMacros.h | 2 1 + 1 - 0 !
Source/cmake/OptionsQt.cmake | 1 1 + 0 - 0 !
2 files changed, 2 insertions(+), 1 deletion(-)

 reduce the number of exported symbols in libqt5webkit.so.5

Source/WebCore/platform/text/hyphen/HyphenationLibHyphen.cpp | 4 4 + 0 - 0 !
1 file changed, 4 insertions(+)

 locally define path_max is not available
 The code unconditionally uses PATH_MAX, which is POSIX-optional.
 .
 This fixes the build on platforms without it, such as GNU/Hurd.

CMakeLists.txt | 2 2 + 0 - 0 !
Source/JavaScriptCore/CMakeLists.txt | 1 1 + 0 - 0 !
Source/WTF/wtf/Platform.h | 8 7 + 1 - 0 !
Source/WTF/wtf/dtoa/utils.h | 2 1 + 1 - 0 !
4 files changed, 11 insertions(+), 2 deletions(-)

 add support for riscv64 architecture

Source/WebCore/css/makegrammar.pl | 21 1 + 20 - 0 !
1 file changed, 1 insertion(+), 20 deletions(-)

 let bison generate the header directly
 Starting with Bison 3.7, the generated C++ file #include's the header
 by default, instead of duplicating it. So we should not delete it.
 .
 Remove the code to add #ifdef guards to the header, since Bison adds
 them itself since version 2.6.3.

Source/WebCore/platform/MIMETypeRegistry.cpp | 3 3 + 0 - 0 !
1 file changed, 3 insertions(+)

 do not attempt rendering pdf with qt image plugin
 Qt 5.15 added Qt PDF module which comes with imageformat plugin, which
 allows rendering first page of PDF document as image.

Source/JavaScriptCore/generate-bytecode-files | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 fix compilation with python 3.9: avoid passing encoding to json.load()