diff --git a/.compiler-rt.metadata b/.compiler-rt.metadata
index 0f5028b..d2a6fc5 100644
--- a/.compiler-rt.metadata
+++ b/.compiler-rt.metadata
@@ -1 +1,2 @@
-c492a0142887efbe667f6b3994b43a48f53d4832 SOURCES/compiler-rt-11.0.1.src.tar.xz
+d33af648dc9b901c6c9f6c5872af2f59203f1a25 SOURCES/compiler-rt-12.0.1.src.tar.xz
+b8d2648a01d36ed0186fd2c5af325fd28797f9a0 SOURCES/tstellar-gpg-key.asc
diff --git a/.gitignore b/.gitignore
index 013f687..b91f9de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-SOURCES/compiler-rt-11.0.1.src.tar.xz
+SOURCES/compiler-rt-12.0.1.src.tar.xz
+SOURCES/tstellar-gpg-key.asc
diff --git a/SOURCES/0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch b/SOURCES/0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch
new file mode 100644
index 0000000..f734b5f
--- /dev/null
+++ b/SOURCES/0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch
@@ -0,0 +1,43 @@
+From 8247295860b69fd379e282c3e6315df9f700e4d8 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Thu, 25 Feb 2021 14:12:57 +0100
+Subject: [PATCH][compiler-rt] Workaround libstdc++ limitation wrt. thread copy
+
+---
+ compiler-rt/lib/fuzzer/FuzzerDefs.h     | 6 ++++++
+ compiler-rt/lib/fuzzer/FuzzerDriver.cpp | 2 +-
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/compiler-rt/lib/fuzzer/FuzzerDefs.h b/compiler-rt/lib/fuzzer/FuzzerDefs.h
+index 1a2752a..abfbb8d 100644
+--- a/compiler-rt/lib/fuzzer/FuzzerDefs.h
++++ b/compiler-rt/lib/fuzzer/FuzzerDefs.h
+@@ -50,6 +50,12 @@ template<typename T>
+ 
+       template<class Other>
+       struct rebind { typedef fuzzer_allocator<Other> other;  };
++
++      template< class U, class... Args >
++      void construct( U* p, Args&&... args ) {
++        std::allocator<T>::construct(p, std::forward<Args>(args)...);
++      }
++
+   };
+ 
+ template<typename T>
+diff --git a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
+index 447cafc..2fce139 100644
+--- a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
++++ b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp
+@@ -294,7 +294,7 @@ static int RunInMultipleProcesses(const Vector<std::string> &Args,
+   std::thread Pulse(PulseThread);
+   Pulse.detach();
+   for (unsigned i = 0; i < NumWorkers; i++)
+-    V.push_back(std::thread(WorkerThread, std::ref(Cmd), &Counter, NumJobs, &HasErrors));
++    V.emplace_back(WorkerThread, std::ref(Cmd), &Counter, NumJobs, &HasErrors);
+   for (auto &T : V)
+     T.join();
+   return HasErrors ? 1 : 0;
+-- 
+1.8.3.1
+
diff --git a/SOURCES/0001-PATCH-std-thread-copy.patch b/SOURCES/0001-PATCH-std-thread-copy.patch
deleted file mode 100644
index 53d297d..0000000
--- a/SOURCES/0001-PATCH-std-thread-copy.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-diff -ru compiler-rt-8.0.0rc1.src.orig/lib/fuzzer/FuzzerDefs.h compiler-rt-8.0.0rc1.src/lib/fuzzer/FuzzerDefs.h
---- compiler-rt-8.0.0rc1.src.orig/lib/fuzzer/FuzzerDefs.h	2019-01-09 21:46:09.000000000 +0000
-+++ compiler-rt-8.0.0rc1.src/lib/fuzzer/FuzzerDefs.h	2019-02-12 14:03:32.971147814 +0000
-@@ -176,6 +176,12 @@
- 
-       template<class Other>
-       struct rebind { typedef fuzzer_allocator<Other> other;  };
-+
-+      template< class U, class... Args >
-+      void construct( U* p, Args&&... args ) {
-+        std::allocator<T>::construct(p, std::forward<Args>(args)...);
-+      }
-+
-   };
- 
- template<typename T>
-diff -ru compiler-rt-8.0.0rc1.src.orig/lib/fuzzer/FuzzerDriver.cpp compiler-rt-8.0.0rc1.src/lib/fuzzer/FuzzerDriver.cpp
---- compiler-rt-8.0.0rc1.src.orig/lib/fuzzer/FuzzerDriver.cpp	2019-01-15 22:12:51.000000000 +0000
-+++ compiler-rt-8.0.0rc1.src/lib/fuzzer/FuzzerDriver.cpp	2019-02-12 13:05:15.965113872 +0000
-@@ -252,7 +252,7 @@
-   std::thread Pulse(PulseThread);
-   Pulse.detach();
-   for (unsigned i = 0; i < NumWorkers; i++)
--    V.push_back(std::thread(WorkerThread, std::ref(Cmd), &Counter, NumJobs, &HasErrors));
-+    V.emplace_back(WorkerThread, std::ref(Cmd), &Counter, NumJobs, &HasErrors);
-   for (auto &T : V)
-     T.join();
-   return HasErrors ? 1 : 0;
diff --git a/SOURCES/compiler-rt-11.0.1.src.tar.xz.sig b/SOURCES/compiler-rt-11.0.1.src.tar.xz.sig
deleted file mode 100644
index 844e929..0000000
Binary files a/SOURCES/compiler-rt-11.0.1.src.tar.xz.sig and /dev/null differ
diff --git a/SOURCES/compiler-rt-12.0.1.src.tar.xz.sig b/SOURCES/compiler-rt-12.0.1.src.tar.xz.sig
new file mode 100644
index 0000000..c41c624
Binary files /dev/null and b/SOURCES/compiler-rt-12.0.1.src.tar.xz.sig differ
diff --git a/SPECS/compiler-rt.spec b/SPECS/compiler-rt.spec
index 51e7a06..cdd58b7 100644
--- a/SPECS/compiler-rt.spec
+++ b/SPECS/compiler-rt.spec
@@ -1,6 +1,4 @@
-
-#%%global rc_ver 6
-%global baserelease 1
+#%%global rc_ver 5
 
 %global crt_srcdir compiler-rt-%{version}%{?rc_ver:rc%{rc_ver}}.src
 
@@ -11,16 +9,17 @@
 %global optflags %(echo %{optflags} -Dasm=__asm__)
 
 Name:		compiler-rt
-Version:	11.0.1
-Release:	%{baserelease}%{?rc_ver:.rc%{rc_ver}}%{?dist}
+Version:	12.0.1%{?rc_ver:~rc%{rc_ver}}
+Release:	1%{?dist}
 Summary:	LLVM "compiler-rt" runtime libraries
 
 License:	NCSA or MIT
 URL:		http://llvm.org
 Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{crt_srcdir}.tar.xz
 Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}%{?rc_ver:-rc%{rc_ver}}/%{crt_srcdir}.tar.xz.sig
+Source2:	tstellar-gpg-key.asc
 
-Patch0:		0001-PATCH-std-thread-copy.patch
+Patch0:		0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch
 
 # RHEL-specific patches
 Patch100:	0001-Drop-fno-stack-protector-from-the-compiler-flags.patch
@@ -33,7 +32,8 @@ BuildRequires:	python3
 # We need python3-devel for pathfix.py.
 BuildRequires:	python3-devel
 BuildRequires:	llvm-devel = %{version}
-BuildRequires:	llvm-static = %{version}
+
+Requires: clang-resource-filesystem%{?isa} = %{version}
 
 %description
 The compiler-rt project is a part of the LLVM project. It provides
@@ -42,13 +42,15 @@ code generation, sanitizer runtimes and profiling library for code
 instrumentation, and Blocks C language extension.
 
 %prep
-%autosetup -n %{crt_srcdir} -p1
+
+%autosetup -n %{crt_srcdir} -p2
 
 pathfix.py -i %{__python3} -pn lib/hwasan/scripts/hwasan_symbolize
 
 %build
-mkdir -p _build
-cd _build
+mkdir -p %{_vpath_builddir}
+cd %{_vpath_builddir}
+
 %cmake .. -GNinja \
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
 	-DLLVM_CONFIG_PATH:FILEPATH=%{_bindir}/llvm-config-%{__isa_bits} \
@@ -60,11 +62,12 @@ cd _build
 %endif
 	-DCOMPILER_RT_INCLUDE_TESTS:BOOL=OFF # could be on?
 
-%ninja_build
+%cmake_build
 
 %install
-cd _build
-%ninja_install
+
+cd %{_vpath_builddir}
+%cmake_install
 
 # move blacklist/abilist files to where clang expect them
 mkdir -p %{buildroot}%{_libdir}/clang/%{version}/share
@@ -91,25 +94,33 @@ do
 	target=`echo "$i" | sed -e 's/x86_64/i386/'`
 	ln -s ../../../../../lib/clang/%{version}/lib/$target ../../../../%{_lib}/clang/%{version}/lib/linux/
 done
- 
+
 %endif
- 
+
 popd
 
 %check
-#make check-all -C _build
+
+#%%cmake_build --target check-compiler-rt
 
 %files
 %license LICENSE.TXT
 %{_includedir}/*
-%{_libdir}/clang/%{version}
+%{_libdir}/clang/%{version}/lib/*
+%{_libdir}/clang/%{version}/share/*
 %ifarch x86_64 aarch64
 %{_bindir}/hwasan_symbolize
 %endif
 
 %changelog
-* Thu Sep 02 2021 Tom Stellard <tstellar@redhat.com> - 11.0.1-1
-- 11.0.1 Release
+* Fri Jul 16 2021 sguelton@redhat.com - 12.0.1-1
+- 12.0.1 release
+
+* Tue May 25 2021 sguelton@redhat.com - 12.0.0-2
+- Backport several compatibility patches
+
+* Thu May 6 2021 sguelton@redhat.com - 12.0.0-1
+- 12.0.0 release
 
 * Thu Oct 29 2020 sguelton@redhat.com - 11.0.0-1
 - 11.0.0 final release