Add RISC-V (riscv64) support

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>

webkit2gtk3.spec

@@ -7,7 +7,7 @@
 
 Name:           webkit2gtk3
 Version:        2.21.2
-Release:        2%{?dist}
+Release:        2.0.riscv64%{?dist}
 Summary:        GTK+ Web content engine library
 
 License:        LGPLv2
@@ -26,6 +26,8 @@ Patch2:     cloop-big-endians.patch
 Patch3:     page-size.patch
 # Explicitly specify python2 over python
 Patch4:     python2.patch
+# Add RISC-V (riscv64) support
+Patch5:     webkitgtk-2.21.2-riscv64.patch
 
 BuildRequires:  at-spi2-core-devel
 BuildRequires:  bison
@@ -182,7 +184,7 @@ rm -rf Source/ThirdParty/qunit/
 
 # Decrease debuginfo even on ix86 because of:
 # https://bugs.webkit.org/show_bug.cgi?id=140176
-%ifarch s390 s390x %{arm} %{ix86} ppc %{power64} %{mips}
+%ifarch s390 s390x %{arm} %{ix86} ppc %{power64} %{mips} riscv64
 # Decrease debuginfo verbosity to reduce memory consumption even more
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
@@ -196,6 +198,10 @@ rm -rf Source/ThirdParty/qunit/
 %global optflags %{optflags} -DUSER_AGENT_GTK_DISTRIBUTOR_NAME=\'\\"Fedora\\"\'
 %endif
 
+%ifarch riscv64
+export LDFLAGS="${LDFLAGS} -latomic %{__global_ldflags}"
+%endif
+
 # Disable ld.gold on s390 as it does not have it.
 # Also for aarch64 as the support is in upstream, but not packaged in Fedora.
 mkdir -p %{_target_platform}
@@ -205,10 +211,10 @@ pushd %{_target_platform}
   -DCMAKE_BUILD_TYPE=Release \
   -DENABLE_GTKDOC=ON \
   -DENABLE_MINIBROWSER=ON \
-%ifarch s390 aarch64
+%ifarch s390 aarch64 riscv64
   -DUSE_LD_GOLD=OFF \
 %endif
-%ifarch s390 s390x ppc %{power64}
+%ifarch s390 s390x ppc %{power64} riscv64
   -DENABLE_JIT=OFF \
   -DUSE_SYSTEM_MALLOC=ON \
 %endif
@@ -292,6 +298,9 @@ make %{?_smp_mflags} -C %{_target_platform}
 %{_datadir}/gtk-doc/html/webkitdomgtk-4.0/
 
 %changelog
+* Fri May 25 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 2.21.2-2.0.riscv64
+- Add support for RISC-V (riscv64)
+
 * Thu May 24 2018 Tomas Popela <tpopela@redhat.com> - 2.21.2-2
 - Explicitly specify python2 over python and add python2 to BR