Add support for riscv64

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

clang.spec

@@ -71,7 +71,7 @@
 
 Name:		%pkg_name
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
-Release:	%{baserelease}%{?rc_ver:.rc%{rc_ver}}%{?dist}
+Release:	%{baserelease}%{?rc_ver:.rc%{rc_ver}}.0.riscv64%{?dist}
 Summary:	A C language family front-end for LLVM
 
 License:	NCSA
@@ -287,7 +287,7 @@ pathfix.py -i %{__python3} -pn \
 %build
 
 # We run the builders out of memory on armv7 and i686 when LTO is enabled
-%ifarch %{arm} i686
+%ifarch %{arm} i686 riscv64
 %define _lto_cflags %{nil}
 %endif
 
@@ -297,7 +297,7 @@ sed -i 's/\@FEDORA_LLVM_LIB_SUFFIX\@/64/g' test/lit.cfg.py
 sed -i 's/\@FEDORA_LLVM_LIB_SUFFIX\@//g' test/lit.cfg.py
 %endif
 
-%ifarch s390 s390x %{arm} %ix86 ppc64le
+%ifarch s390 s390x %{arm} %ix86 ppc64le riscv64
 # Decrease debuginfo verbosity to reduce memory consumption during final library linking
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
@@ -312,7 +312,7 @@ sed -i 's/\@FEDORA_LLVM_LIB_SUFFIX\@//g' test/lit.cfg.py
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
 	-DPYTHON_EXECUTABLE=%{__python3} \
 	-DCMAKE_INSTALL_RPATH:BOOL=";" \
-%ifarch s390 s390x %{arm} %ix86 ppc64le
+%ifarch s390 s390x %{arm} %ix86 ppc64le riscv64
 	-DCMAKE_C_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 	-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 %endif
@@ -429,7 +429,7 @@ rm -Rvf %{buildroot}%{_includedir}/clang-tidy/
 # requires lit.py from LLVM utilities
 # FIXME: Fix failing ARM tests
 LD_LIBRARY_PATH=%{buildroot}/%{_libdir} %cmake_build --target check-all || \
-%ifarch %{arm}
+%ifarch %{arm} riscv64
 :
 %else
 false
@@ -506,6 +506,9 @@ false
 
 %endif
 %changelog
+* Thu Apr 15 2021 David Abdurachmanov <david.abdurachmanov@gmail.com> - 11.0.0-2.0.riscv64
+- Add support for riscv64
+
 * Thu Oct 29 2020 sguelton@redhat.com - 11.0.0-2
 - Prevent ABI conflict with release candidate
 - Prefer gcc toolchains with libgcc_s