Switch to building with clang

0001-Fix-for-compiler-rt-stand-alone-builds.patch

@@ -1,25 +0,0 @@
-From c6d15e4a5fc0a012356eb984e617ddb6d05ff8a6 Mon Sep 17 00:00:00 2001
-From: Tom Stellard <tstellar@redhat.com>
-Date: Fri, 29 Jul 2022 23:37:43 -0700
-Subject: [PATCH] Fix for compiler-rt stand-alone builds
-
----
- compiler-rt/CMakeLists.txt | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
-index 62737735695f..70568cdb201c 100644
---- a/compiler-rt/CMakeLists.txt
-+++ b/compiler-rt/CMakeLists.txt
-@@ -68,7 +68,7 @@ set(COMPILER_RT_BAREMETAL_BUILD OFF CACHE BOOL
-   "Build for a bare-metal target.")
- 
- if (COMPILER_RT_STANDALONE_BUILD)
--  load_llvm_config()
-+  find_package(LLVM)
-   if (TARGET intrinsics_gen)
-     # Loading the llvm config causes this target to be imported so place it
-     # under the appropriate folder in an IDE.
--- 
-2.27.0
-

compiler-rt.spec

@@ -1,3 +1,4 @@
+%global toolchain clang
 %global compiler_rt_version 15.0.0
 #global rc_ver 3
 %global crt_srcdir compiler-rt-%{compiler_rt_version}%{?rc_ver:rc%{rc_ver}}.src
@@ -10,7 +11,7 @@
 
 Name:		compiler-rt
 Version:	%{compiler_rt_version}%{?rc_ver:~rc%{rc_ver}}
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	LLVM "compiler-rt" runtime libraries
 
 License:	NCSA or MIT
@@ -19,10 +20,7 @@ Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{compil
 Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{compiler_rt_version}%{?rc_ver:-rc%{rc_ver}}/%{crt_srcdir}.tar.xz.sig
 Source2:	release-keys.asc
 
-Patch0:		0001-Fix-for-compiler-rt-stand-alone-builds.patch
-
-BuildRequires:	gcc
-BuildRequires:	gcc-c++
+BuildRequires:	clang
 BuildRequires:	cmake
 BuildRequires:	ninja-build
 BuildRequires:	python3
@@ -113,6 +111,9 @@ popd
 %endif
 
 %changelog
+* Fri Sep 23 2022 Nikita Popov <npopov@redhat.com> - 15.0.0-3
+- Switch to building with clang
+
 * Tue Sep 13 2022 Nikita Popov <npopov@redhat.com> - 15.0.0-2
 - Make sure asm files are built with -fcf-protection