Package libFuzzer

The libFuzzer source code is included in the llvm sources
for llvm 4.0 and 5.0, but is moved into compiler-rt for LLVM 6.0,
so we are packaging it as a part of compiler-rt-4.0.* to keep it
consistent with future versions of LLVM.

.gitignore

@@ -6,3 +6,4 @@
 /compiler-rt-3.9.1.src.tar.xz
 /compiler-rt-4.0.0.src.tar.xz
 /compiler-rt-4.0.1.src.tar.xz
+/Fuzzer.tar.xz

compiler-rt.spec

@@ -5,18 +5,30 @@
 
 Name:		compiler-rt
 Version:	4.0.1
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	LLVM "compiler-rt" runtime libraries
 
 License:	NCSA or MIT
 URL:		http://llvm.org
 Source0:	http://llvm.org/releases/%{version}/%{name}-%{version}.src.tar.xz
+# Extract libFuzzer sources from the llvm tarball.  We are packaging it as part
+# of compiler-rt, because upstream moved the code into the compiler-rt project
+# for LLVM 6.0.0, and we also don't want to add clang as a build dependency for
+# llvm.
+# wget http://llvm.org/releases/4.0.1/llvm-4.0.1.src.tar.xz
+# tar -xJf llvm-4.0.1.src.tar.xz
+# cd llvm-4.0.1.src/lib/Fuzzer/
+# tar -cJf Fuzzer.tar.xz Fuzzer/
+Source1: Fuzzer.tar.xz
 
 BuildRequires:	cmake
 BuildRequires:	python
 BuildRequires:  llvm-devel = %{version}
 BuildRequires:  llvm-static = %{version}
 
+# libFuzzer must be built by clang.
+BuildRequires:  clang
+
 %description
 The compiler-rt project is a part of the LLVM project. It provides
 implementation of the low-level target-specific hooks required by
@@ -24,7 +36,9 @@ code generation, sanitizer runtimes and profiling library for code
 instrumentation, and Blocks C language extension.
 
 %prep
-%setup -q -n %{name}-%{version}.src
+%setup -T -q -b 1 -n Fuzzer
+
+%autosetup -n %{name}-%{version}.src -p1
 
 %build
 mkdir -p _build
@@ -42,18 +56,26 @@ cd _build
 
 make %{?_smp_mflags}
 
+pushd ../../Fuzzer
+./build.sh
+popd
+
 %install
 cd _build
 make install DESTDIR=%{buildroot}
 
+mkdir -p %{buildroot}%{_libdir}/clang/%{version}/lib
+
+pushd ../../Fuzzer
+install -m0644 libFuzzer.a %{buildroot}%{_libdir}/clang/%{version}/lib
+popd
+
 # move sanitizer lists to better place
-mkdir -p %{buildroot}%{_libdir}/clang/%{version}
 for file in asan_blacklist.txt msan_blacklist.txt dfsan_blacklist.txt cfi_blacklist.txt dfsan_abilist.txt; do
 	mv -v %{buildroot}%{_prefix}/${file} %{buildroot}%{_libdir}/clang/%{version}/ || :
 done
 
 # move sanitizer libs to better place
-mkdir -p %{buildroot}%{_libdir}/clang/%{version}/lib
 mv -v %{buildroot}%{_prefix}/lib/linux/libclang_rt* %{buildroot}%{_libdir}/clang/%{version}/lib
 mkdir -p %{buildroot}%{_libdir}/clang/%{version}/lib/linux/
 pushd %{buildroot}%{_libdir}/clang/%{version}/lib
@@ -70,6 +92,9 @@ cd _build
 %{_libdir}/clang/%{version}
 
 %changelog
+* Tue Sep 12 2017 Tom Stellard <tstellar@redhat.com> - 4.0.1-2
+- Package libFuzzer
+
 * Fri Jun 23 2017 Tom Stellard <tstellar@redhat.com> - 4.0.1-1
 - 4.0.1 Release
 

sources

@@ -1,2 +1,3 @@
 SHA512 (compiler-rt-4.0.0.src.tar.xz) = ed52436a2399ca82c1af46a523e89e88c23367f74cd110f0267af49a72aa4912ae8f48c6093e6b01c9ea68c48354a12201d26baf721d254fb017ddb98af2e3dd
 SHA512 (compiler-rt-4.0.1.src.tar.xz) = cfeb625884b273f7c0e6767b81a8d3e5f24e0b96a510d5764d9d47a0e215fc841b4cb9d1843c8fb428cd21def720cfbfe8d3593ff5bb390548ebc8c32a902649
+SHA512 (Fuzzer.tar.xz) = 74a3df67ac71a1049a97a03f1465162bdee536504b193829842c54c27d879b01a4496f0c276e9626b5d06c1b42190e275de02c8fa05f36d9c2650602b3aa13dd