From bbf69479e8a42014466e34ea019d8f8f4d805081 Mon Sep 17 00:00:00 2001
From: David Abdurachmanov <davidlt@rivosinc.com>
Date: Mon, 30 Oct 2023 20:17:19 +0200
Subject: [PATCH] Add support for riscv64

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>
---
 llvm16.spec | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/llvm16.spec b/llvm16.spec
index 76bce53..1a441af 100644
--- a/llvm16.spec
+++ b/llvm16.spec
@@ -15,7 +15,11 @@
 %endif
 
 %bcond_without compat_build
+%ifnarch riscv64
 %bcond_without check
+%else
+%bcond_with check
+%endif
 
 #global rc_ver 4
 %global maj_ver 16
@@ -24,7 +28,12 @@
 %global llvm_srcdir llvm-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:rc%{rc_ver}}.src
 %global cmake_srcdir cmake-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:rc%{rc_ver}}.src
 %global third_party_srcdir third-party-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:rc%{rc_ver}}.src
+%ifnarch riscv64
 %global _lto_cflags -flto=thin
+%else
+# riscv64: gold is not supported on riscv64
+%global _lto_cflags %{nil}
+%endif
 
 %if %{with compat_build}
 %global pkg_name llvm%{maj_ver}
@@ -75,7 +84,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}
-Release:	5%{?dist}
+Release:	5.0.riscv64%{?dist}
 Summary:	The Low Level Virtual Machine
 
 License:	Apache-2.0 WITH LLVM-exception OR NCSA
@@ -243,7 +252,7 @@ mv %{third_party_srcdir} third-party
 
 %build
 
-%ifarch s390 s390x %{arm} %ix86
+%ifarch s390 s390x %{arm} %ix86 riscv64
 # Decrease debuginfo verbosity to reduce memory consumption during final library linking
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
@@ -257,7 +266,7 @@ export ASMFLAGS=$CFLAGS
 	-DLLVM_PARALLEL_LINK_JOBS=1 \
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
 	-DCMAKE_SKIP_RPATH:BOOL=ON \
-%ifarch s390 %{arm} %ix86
+%ifarch s390 %{arm} %ix86 riscv64
 	-DCMAKE_C_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 	-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 %endif
@@ -572,6 +581,11 @@ fi
 %endif
 
 %changelog
+* Mon Oct 30 2023 David Abdurachmanov <davidlt@rivosinc.com> - 16.0.6-5.0.riscv64
+- Disable tests on riscv64 for now
+- Lower memory consumption on riscv64
+- Disable LTO (ld.gold not supported on riscv64)
+
 * Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 16.0.6-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild