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https://src.fedoraproject.org/rpms/llvm.git
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1654df4ed3
Have a --with lto_build option, where LTO is enabled by default for everything except i686 and riscv. Use that flag to condition whether `-DLLVM_UNITTEST_LINK_FLAGS` is passed. Additionally, make use of the new Fat LTO functionality in rawhide to use `-fno-lto` instead of `-Wl,-plugin-opt=O0` to save more time linking unit tests.
162 lines
4.3 KiB
PHP
162 lines
4.3 KiB
PHP
%bcond_without snapshot_build
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# Components enabled if supported by target architecture:
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%define gold_arches %{ix86} x86_64 %{arm} aarch64 %{power64} s390x
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%ifarch %{gold_arches}
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%bcond_without gold
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%else
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%bcond_with gold
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%endif
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%bcond_with compat_build
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%bcond_without check
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# Disable LTO on x86 and riscv in order to reduce memory consumption.
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%ifarch %ix86 riscv64
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%bcond_with lto_build
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%else
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%bcond_without lto_build
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%endif
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%if %{without lto_build}
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%global _lto_cflags %nil
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%endif
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# We are building with clang for faster/lower memory LTO builds.
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# See https://docs.fedoraproject.org/en-US/packaging-guidelines/#_compiler_macros
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%global toolchain clang
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# Opt out of https://fedoraproject.org/wiki/Changes/fno-omit-frame-pointer
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# https://bugzilla.redhat.com/show_bug.cgi?id=2158587
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%undefine _include_frame_pointers
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# Suffixless tarball name (essentially: basename -s .tar.xz llvm-project-17.0.6.src.tar.xz)
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%global src_tarball_dir llvm-project-%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:rc%{rc_ver}}.src
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%if %{with snapshot_build}
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%global src_tarball_dir llvm-project-%{llvm_snapshot_git_revision}
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%endif
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#region LLVM globals
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%if %{with compat_build}
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%global pkg_name_llvm llvm%{maj_ver}
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%global exec_suffix -%{maj_ver}
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%global install_prefix %{_libdir}/%{pkg_name_llvm}
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%global install_bindir %{install_prefix}/bin
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%global install_includedir %{install_prefix}/include
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%global install_libdir %{install_prefix}/lib
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%global install_datadir %{install_prefix}/share
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%global install_libexecdir %{install_prefix}/libexec
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%global install_docdir %{install_datadir}/doc
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%global pkg_includedir %{_includedir}/%{pkg_name_llvm}
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%global pkg_datadir %{install_prefix}/share
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%else
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%global pkg_name_llvm llvm
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%global install_prefix /usr
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%global install_bindir %{_bindir}
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%global install_datadir %{_datadir}
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%global install_libdir %{_libdir}
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%global install_includedir %{_includedir}
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%global install_libexecdir %{_libexecdir}
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%global install_docdir %{_docdir}
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%global pkg_datadir %{_datadir}
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%global exec_suffix %{nil}
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%endif
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%if 0%{?rhel}
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%global targets_to_build "X86;AMDGPU;PowerPC;NVPTX;SystemZ;AArch64;ARM;Mips;BPF;WebAssembly"
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%global experimental_targets_to_build ""
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%else
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%global targets_to_build "all"
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%global experimental_targets_to_build "AVR"
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%endif
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%global build_install_prefix %{buildroot}%{install_prefix}
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# Lower memory usage of dwz on s390x
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%global _dwz_low_mem_die_limit_s390x 1
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%global _dwz_max_die_limit_s390x 1000000
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%ifarch %{arm}
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# koji overrides the _gnu variable to be gnu, which is not correct for clang, so
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# we need to hard-code the correct triple here.
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%global llvm_triple armv7l-redhat-linux-gnueabihf
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%else
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%global llvm_triple %{_target_platform}
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%endif
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# https://fedoraproject.org/wiki/Changes/PythonSafePath#Opting_out
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# Don't add -P to Python shebangs
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# The executable Python scripts in /usr/share/opt-viewer/ import each other
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%undefine _py3_shebang_P
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#endregion
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#region CLANG globals
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%global pkg_name_clang clang
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%if %{with compat_build}
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%global pkg_name_clang clang%{maj_ver}
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# Install clang to same prefix as llvm, so that apps that use llvm-config
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# will also be able to find clang libs.
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%global pkg_includedir %{install_prefix}/include
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%endif
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%ifarch ppc64le
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# Too many threads on ppc64 systems causes OOM errors.
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# TODO(kkleine): Is this really needed when building together with llvm?
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%global _smp_mflags -j8
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%endif
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#endregion
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#region COMPILER-RT globals
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%if %{without compat_build}
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%global pkg_name_compiler_rt compiler-rt
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# TODO(kkleine): do these optflags hurt llvm and/or clang?
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# see https://sourceware.org/bugzilla/show_bug.cgi?id=25271
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%global optflags %(echo %{optflags} -D_DEFAULT_SOURCE)
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# see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93615
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%global optflags %(echo %{optflags} -Dasm=__asm__)
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# Copy CFLAGS into ASMFLAGS, so -fcf-protection is used when compiling assembly files.
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# export ASMFLAGS=$CFLAGS
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%endif
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#endregion
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#region OPENMP globals
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%if %{without compat_build}
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%global pkg_name_libomp libomp
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%global so_suffix %{maj_ver}.%{min_ver}
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%if %{with snapshot_build}
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%global so_suffix %{maj_ver}.%{min_ver}%{llvm_snapshot_version_suffix}
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%endif
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%ifarch ppc64le
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%global libomp_arch ppc64
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%else
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%global libomp_arch %{_arch}
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%endif
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%endif
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#endregion
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#region LLD globals
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%if %{with compat_build}
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%global pkg_name_lld lld%{maj_ver}
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%else
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%global pkg_name_lld lld
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%endif
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#endregion
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