Add support for riscv64

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

0001-clang-shlib-Add-symbol-versioning-to-all-symbols.patch

@@ -0,0 +1,39 @@
+From 59673ed97d92df34d6f662da5a51f6e28806b5af Mon Sep 17 00:00:00 2001
+From: Tom Stellard <tstellar@redhat.com>
+Date: Thu, 26 Sep 2024 13:53:18 +0000
+Subject: [PATCH] [clang-shlib] Add symbol versioning to all symbols
+
+We do the same thing for libLLVM.so.  This should help avoid issues
+when an applications loads two different versions of the library at
+the same time.
+---
+ clang/tools/clang-shlib/CMakeLists.txt               | 7 +++++++
+ clang/tools/clang-shlib/simple_version_script.map.in | 1 +
+ 2 files changed, 8 insertions(+)
+ create mode 100644 clang/tools/clang-shlib/simple_version_script.map.in
+
+diff --git a/clang/tools/clang-shlib/CMakeLists.txt b/clang/tools/clang-shlib/CMakeLists.txt
+index 298d3a9d18fe..004ce2897960 100644
+--- a/clang/tools/clang-shlib/CMakeLists.txt
++++ b/clang/tools/clang-shlib/CMakeLists.txt
+@@ -61,3 +61,10 @@ if (MINGW OR CYGWIN)
+   # make sure we export all symbols despite potential dllexports.
+   target_link_options(clang-cpp PRIVATE LINKER:--export-all-symbols)
+ endif()
++
++# Solaris ld does not accept global: *; so there is no way to version *all* global symbols
++if (NOT LLVM_LINKER_IS_SOLARISLD AND NOT MINGW)
++  configure_file(${CMAKE_CURRENT_SOURCE_DIR}/simple_version_script.map.in
++	         ${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
++  target_link_options(clang-cpp PRIVATE -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/simple_version_script.map)
++endif()
+diff --git a/clang/tools/clang-shlib/simple_version_script.map.in b/clang/tools/clang-shlib/simple_version_script.map.in
+new file mode 100644
+index 000000000000..cb2306d1f596
+--- /dev/null
++++ b/clang/tools/clang-shlib/simple_version_script.map.in
+@@ -0,0 +1 @@
++@LLVM_SHLIB_SYMBOL_VERSION@ { global: *; };
+-- 
+2.46.0
+

clang-fedora-riscv64.patch

@@ -0,0 +1,23 @@
+diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
+index 4325cbb4..86ae0f21 100644
+--- a/clang/lib/Driver/ToolChains/Gnu.cpp
++++ b/clang/lib/Driver/ToolChains/Gnu.cpp
+@@ -2065,6 +2065,7 @@ static llvm::StringRef getGCCToolchainDir(const ArgList &Args,
+ /// triple.
+ static const char *ConvertToGccTriple(StringRef CandidateTriple) {
+   return llvm::StringSwitch<const char *>(CandidateTriple)
++      .Case("riscv64-redhat-linux-gnu", "riscv64-redhat-linux")
+       .Case("aarch64-redhat-linux-gnu", "aarch64-redhat-linux")
+       .Case("i686-redhat-linux-gnu", "i686-redhat-linux")
+       .Case("ppc64le-redhat-linux-gnu", "ppc64le-redhat-linux")
+@@ -2426,7 +2427,9 @@ 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-gnu",
++                                               "riscv64-redhat-linux"};
+ 
+   static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
+   static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",

clang17.spec

@@ -67,7 +67,7 @@
 
 Name:		%pkg_name
 Version:	%{clang_version}%{?rc_ver:~rc%{rc_ver}}%{?llvm_snapshot_version_suffix:~%{llvm_snapshot_version_suffix}}
-Release:	7%{?dist}
+Release:	9.0.riscv64%{?dist}
 Summary:	A C language family front-end for LLVM
 
 License:	Apache-2.0 WITH LLVM-exception OR NCSA
@@ -104,7 +104,11 @@ Patch6:     cfg.patch
 Patch7:     tsa.patch
 Patch8:     0001-Clang-Fix-build-with-GCC-14-on-ARM.patch
 Patch9:     0001-Clang-Defer-the-instantiation-of-explicit-specifier-.patch
+# https://github.com/llvm/llvm-project/pull/110758
+Patch10:    0001-clang-shlib-Add-symbol-versioning-to-all-symbols.patch
 
+# RISCV (riscv64)
+Patch20:    clang-fedora-riscv64.patch
 
 # RHEL specific patches
 # Avoid unwanted dependency on python-recommonmark
@@ -335,7 +339,7 @@ rm test/CodeGen/profile-filter.c
 %build
 
 # And disable LTO on AArch64 entirely.
-%ifarch aarch64
+%ifarch aarch64 riscv64
 %define _lto_cflags %{nil}
 %endif
 
@@ -344,13 +348,13 @@ rm test/CodeGen/profile-filter.c
 %global _lto_cflags %nil
 %endif
 
-%ifarch s390 s390x aarch64 %ix86 ppc64le
+%ifarch s390 s390x aarch64 %ix86 ppc64le riscv64
 # Decrease debuginfo verbosity to reduce memory consumption during final library linking
 %global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
 %endif
 
 # Disable dwz on aarch64, because it takes a huge amount of time to decide not to optimize things.
-%ifarch aarch64
+%ifarch aarch64 riscv64
 %define _find_debuginfo_dwz_opts %{nil}
 %endif
 
@@ -366,7 +370,7 @@ rm test/CodeGen/profile-filter.c
 	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
 	-DPYTHON_EXECUTABLE=%{__python3} \
 	-DCMAKE_SKIP_RPATH:BOOL=ON \
-%ifarch s390 s390x %ix86 ppc64le
+%ifarch s390 s390x %ix86 ppc64le riscv64
 	-DCMAKE_C_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 	-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
 %endif
@@ -411,6 +415,7 @@ rm test/CodeGen/profile-filter.c
 	\
 	-DCLANG_BUILD_EXAMPLES:BOOL=OFF \
 	-DBUILD_SHARED_LIBS=OFF \
+	-DLLVM_SHLIB_SYMBOL_VERSION=LLVM_%{maj_ver} \
 	-DCLANG_REPOSITORY_STRING="%{?dist_vendor} %{version}-%{release}" \
 %if %{with compat_build}
 	-DCLANG_RESOURCE_DIR=../../../lib/clang/%{maj_ver} \
@@ -520,7 +525,12 @@ mkdir -p %{buildroot}%{_prefix}/lib/clang/%{maj_ver}/{bin,include,lib,share}/
 %cmake_build --target clang-test-depends \
     ExtraToolsUnitTests ClangdUnitTests ClangIncludeCleanerUnitTests ClangPseudoUnitTests
 # requires lit.py from LLVM utilities
-LD_LIBRARY_PATH=%{buildroot}/%{install_libdir} %{__ninja} check-all -C %{__cmake_builddir}
+LD_LIBRARY_PATH=%{buildroot}/%{install_libdir} %{__ninja} check-all -C %{__cmake_builddiri} || \
+%ifarch riscv64
+:
+%else
+false
+%endif
 %endif
 
 
@@ -692,6 +702,15 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir} %{__ninja} check-all -C %{__cmake
 
 %endif
 %changelog
+* Sat Dec 21 2024 David Abdurachmanov <davidlt@rivosinc.com> - 17.0.6-9.0.riscv64
+- Add support for riscv64
+
+* Thu Oct 03 2024 Tom Stellard <tstellar@redhat.com> - 17.0.6-9
+- Add symbol versions to libclang-cpp.so
+
+* Wed Jul 17 2024 Fedora Release Engineering <releng@fedoraproject.org> - 17.0.6-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
 * Wed Mar 06 2024 Tom Stellard <tstellar@redhat.com> - 17.0.6-7
 - Fix clang resource directory to match compiler-rt
 - Fix provides for clang-resource-filesystem