llvm-libs: obsolete llvm-compat*-libs with the same version; llvm-compat19: initial build

modular/libcxx/libcxx.spec

@@ -153,8 +153,6 @@ cp %{SOURCE8} %{SOURCE9} runtimes/cmake/Modules/
 %enable_devtoolset14
 %endif
 
-export CC=clang
-export CXX=clang++
 
 # Copy CFLAGS into ASMFLAGS, so -fcf-protection is used when compiling assembly files.
 export ASMFLAGS=$CFLAGS

modular/llvm-compat19/llvm-compat.spec

@@ -0,0 +1,173 @@
+%global maj_ver 19
+%global min_ver 1
+%global patch_ver 1
+%global baserelease 0.1
+
+%ifarch ppc64le
+# Limit build jobs on ppc64 systems to avoid running out of memory.
+%global _smp_mflags -j8
+%endif
+
+%global install_prefix %{_libdir}/llvm%{maj_ver}
+%global pkg_libdir %{install_prefix}/lib/
+
+# Disable debuginfo on ppc64le to reduce disk space usage.
+%ifarch ppc64le
+%global _find_debuginfo_dwz_opts %{nil}
+%global debug_package %{nil}
+%endif
+
+%if 0%{?rhel} == 8
+%global python3_pkgversion 3.12
+%global __python3 /usr/bin/python3.12
+%endif
+
+%if 0%{?rhel} < 10
+%global gcc_toolset gcc-toolset-14
+%endif
+
+Name:		llvm-compat%{maj_ver}
+Version:	%{maj_ver}.%{min_ver}.%{patch_ver}
+Release:	%{baserelease}%{?dist}
+Summary:	The Low Level Virtual Machine
+
+License:	NCSA
+URL:		http://llvm.org
+Source0:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/llvm-%{version}.src.tar.xz
+Source1:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/clang-%{version}.src.tar.xz
+Source2:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{version}/cmake-%{version}.src.tar.xz
+
+
+# RHEL-specific patch to avoid unwanted recommonmark dep
+#Patch101:	0101-Deactivate-markdown-doc.patch
+
+
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
+%if 0%{?rhel} < 10
+BuildRequires:	%{gcc_toolset}-gcc
+BuildRequires:	%{gcc_toolset}-gcc-c++
+BuildRequires:	%{gcc_toolset}-gcc-plugin-annobin
+%endif
+BuildRequires:	cmake
+BuildRequires:	zlib-devel
+BuildRequires:  libffi-devel
+BuildRequires:	ncurses-devel
+BuildRequires:	multilib-rpm-config
+BuildRequires:	ninja-build
+BuildRequires:	python%{python3_pkgversion}-devel
+
+%ifarch %{valgrind_arches}
+# Enable extra functionality when run the LLVM JIT under valgrind.
+BuildRequires:  valgrind-devel
+%endif
+
+Requires:	%{name}-libs%{?_isa} = %{version}-%{release}
+
+%description
+LLVM is a compiler infrastructure designed for compile-time, link-time,
+runtime, and idle-time optimization of programs from arbitrary programming
+languages. The compiler infrastructure includes mirror sets of programming
+tools as well as libraries with equivalent functionality.
+
+%package libs
+Summary:	LLVM shared libraries
+
+
+%description libs
+Shared libraries for the LLVM compiler infrastructure.
+
+%prep
+%setup -T -q -b 2 -n cmake-%{version}.src
+cd ..
+mv cmake-%{version}.src cmake
+
+%setup -T -q -b 1 -n clang-%{version}.src
+%autopatch -m100 -p2
+cd ..
+mv clang-%{version}.src clang
+
+%setup -q -n llvm-%{version}.src
+%autopatch -M100 -p2
+
+
+%build
+%if 0%{?rhel} < 10
+source /opt/rh/%{gcc_toolset}/enable
+%endif
+
+%ifarch s390 %ix86
+# Decrease debuginfo verbosity to reduce memory consumption during final library linking
+%global optflags %(echo %{optflags} | sed 's/-g /-g1 /')
+%endif
+
+cd ..
+
+mkdir llvm-build
+pushd llvm-build
+
+# force off shared libs as cmake macros turns it on.
+%cmake ../llvm-%{version}.src -G Ninja \
+	-B . \
+	-DBUILD_SHARED_LIBS:BOOL=OFF \
+	-DCMAKE_SKIP_INSTALL_RPATH:BOOL=ON \
+	-DPython3_EXECUTABLE=%{__python3} \
+%ifarch ppc64le
+	-DCMAKE_BUILD_TYPE=Release \
+%else
+	-DCMAKE_BUILD_TYPE=RelWithDebInfo \
+%endif
+%ifarch s390 %ix86
+	-DCMAKE_C_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
+	-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="%{optflags} -DNDEBUG" \
+%endif
+	\
+	-DLLVM_TARGETS_TO_BUILD="X86;AMDGPU;PowerPC;NVPTX;SystemZ;AArch64;ARM;Mips;BPF;WebAssembly" \
+	-DCMAKE_INSTALL_PREFIX=%{install_prefix} \
+	-DLLVM_ENABLE_EH=ON \
+	-DLLVM_ENABLE_FFI:BOOL=ON \
+	-DLLVM_ENABLE_RTTI:BOOL=ON \
+	-DLLVM_BUILD_LLVM_DYLIB:BOOL=ON \
+	-DLLVM_DYLIB_EXPORT_ALL:BOOL=ON \
+	-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
+	-DLLVM_INCLUDE_TESTS=OFF \
+	-DLLVM_INCLUDE_BENCHMARKS=OFF \
+	-DLLVM_ENABLE_PROJECTS=clang  \
+	-DLLVM_BUILD_DOCS=OFF \
+	-DLLVM_INCLUDE_DOCS=OFF
+
+%ninja_build LLVM
+%ninja_build libclang.so
+%ninja_build libclang-cpp.so
+
+popd
+
+%install
+
+mkdir -p %{buildroot}%{pkg_libdir}
+install -m 0755 ../llvm-build/lib/libLLVM.so.%{maj_ver}* %{buildroot}%{pkg_libdir}
+install -m 0755 ../llvm-build/lib/libclang.so.%{maj_ver}* %{buildroot}%{pkg_libdir}
+install -m 0755 ../llvm-build/lib/libclang-cpp.so.%{maj_ver}* %{buildroot}%{pkg_libdir}
+
+ln -sf libLLVM.so.%{maj_ver}.%{min_ver}.%{patch_ver} %{buildroot}%{pkg_libdir}/libLLVM-%{maj_ver}.so
+ln -sf libclang.so.%{maj_ver}.%{min_ver}.%{patch_ver} %{buildroot}%{pkg_libdir}/libclang.so%{maj_ver}.%{min_ver}
+
+# Create ld.so.conf.d entry
+mkdir -p %{buildroot}%{_sysconfdir}/ld.so.conf.d
+cat >> %{buildroot}%{_sysconfdir}/ld.so.conf.d/%{name}-%{_arch}.conf << EOF
+%{pkg_libdir}
+EOF
+
+%check
+
+%post libs -p /sbin/ldconfig
+%postun libs -p /sbin/ldconfig
+
+%files
+
+%files libs
+%config(noreplace) %{_sysconfdir}/ld.so.conf.d/%{name}-%{_arch}.conf
+%{pkg_libdir}/libLLVM-%{maj_ver}.so
+%{pkg_libdir}/libLLVM.so.*
+%{pkg_libdir}/libclang*.so.*
+

modular/llvm/llvm.spec

@@ -404,6 +404,7 @@ Documentation for the LLVM compiler infrastructure.
 
 %package -n %{pkg_name_llvm}-libs
 Summary:	LLVM shared libraries
+Obsoletes:  llvm-compat%{maj_ver}-libs <= %{version}-%{release}
 
 %description -n %{pkg_name_llvm}-libs
 Shared libraries for the LLVM compiler infrastructure.