Allow vendor (redhat) triplet for riscv64

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

0001-riscv-use-vendor-triplet.patch

@@ -0,0 +1,27 @@
+From cabe78b47111a6e8935d9ca29bc31f63d8e3b290 Mon Sep 17 00:00:00 2001
+From: David Abdurachmanov <davidlt@rivosinc.com>
+Date: Thu, 28 Mar 2024 11:21:44 +0000
+Subject: [PATCH] riscv use vendor triplet
+
+Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>
+---
+ clang/lib/Driver/ToolChains/Gnu.cpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
+index f4c9bcb5..3bdd2f2d 100644
+--- a/clang/lib/Driver/ToolChains/Gnu.cpp
++++ b/clang/lib/Driver/ToolChains/Gnu.cpp
+@@ -2558,7 +2558,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
+   static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"};
+   static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu",
+                                                "riscv64-linux-gnu",
+-                                               "riscv64-unknown-elf"};
++                                               "riscv64-unknown-elf",
++                                               "riscv64-redhat-linux"};
+ 
+   static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
+   static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",
+-- 
+2.44.0
+

clang.spec

@@ -78,7 +78,7 @@
 
 Name:		%pkg_name
 Version:	%{clang_version}%{?rc_ver:~rc%{rc_ver}}%{?llvm_snapshot_version_suffix:~%{llvm_snapshot_version_suffix}}
-Release:	1.0.riscv64%{?dist}
+Release:	1.1.riscv64%{?dist}
 Summary:	A C language family front-end for LLVM
 
 License:	Apache-2.0 WITH LLVM-exception OR NCSA
@@ -106,6 +106,9 @@ Patch2:     0003-PATCH-clang-Don-t-install-static-libraries.patch
 # More info is available here: https://reviews.llvm.org/D159115#4641826
 Patch5:     0001-Workaround-a-bug-in-ORC-on-ppc64le.patch
 
+# RISCV vendor triplet
+Path6:      0001-riscv-use-vendor-triplet.patch
+
 # RHEL specific patches
 # Avoid unwanted dependency on python-myst-parser
 Patch101:  0009-disable-myst-parser.patch
@@ -708,6 +711,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir} %{__ninja} check-all -C %{__cmake
 
 %endif
 %changelog
+* Thu Mar 28 2024 David Abdurachmanov <davidlt@rivosinc.com> - 18.1.1-1.1.riscv64
+- Allow vendor triplet for riscv64
+
 * Wed Mar 27 2024 David Abdurachmanov <davidlt@rivosinc.com> - 18.1.1-1.0.riscv64
 - Add support for riscv64