Bug: https://bugs.webkit.org/show_bug.cgi?id=182622
Bug-Debian: https://bugs.debian.org/895969
Origin: https://trac.webkit.org/changeset/231843
This fixes a FTBFS in riscv64
===================================================================
Gbp-Pq: Name prefer-pthread.patch
+set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if (MSVC)
set(USER_AGENT_BRANDING "" CACHE STRING "Branding to add to user agent string")
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+
find_package(Cairo 1.16.0 REQUIRED)
find_package(Fontconfig 2.13.0 REQUIRED)
find_package(Freetype 2.9.0 REQUIRED)