- It takes a long time to recompile for each user.
- It results in large install.
Preparation
CMake
To start with we need a version of CMake greater than v3.4.3. The easiest way to do this is via the epel repository:$ yum install epel-release $ yum install cmake3 $ cmake3 --version cmake3 version 3.6.3
Rpmbuild
You need to install rpmbuild:$ yum install rpmbuild
Spec files
The spec files are provided below and as mentioned are a modified version of the spec files from the fedora LLVM / CLang v3.9.1 SRPM.7.LLVM
# Components enabled if supported by target architecture:
%ifarch %ix86 x86_64
%bcond_without gold
%else
%bcond_with gold
%endif
Name: llvm
Version: 3.9.1
Release: 1%{?dist}
Summary: The Low Level Virtual Machine
License: NCSA
URL: http://llvm.org
Source0: http://llvm.org/releases/%{version}/%{name}-%{version}.src.tar.xz
Source100: llvm-config.h
BuildRequires: cmake3
BuildRequires: zlib-devel
BuildRequires: libffi-devel
BuildRequires: ncurses-devel
%if %{with gold}
BuildRequires: binutils-devel
%endif
BuildRequires: libstdc++-static
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 devel
Summary: Libraries and header files for LLVM
Requires: %{name}%{?_isa} = %{version}-%{release}
Requires(posttrans): %{_sbindir}/alternatives
Requires(posttrans): %{_sbindir}/alternatives
%description devel
This package contains library and header files needed to develop new native
programs that use the LLVM infrastructure.
%package doc
Summary: Documentation for LLVM
BuildArch: noarch
Requires: %{name} = %{version}-%{release}
%description doc
Documentation for the LLVM compiler infrastructure.
%package libs
Summary: LLVM shared libraries
%description libs
Shared libraries for the LLVM compiler infrastructure.
%package static
Summary: LLVM static libraries
%description static
Static libraries for the LLVM compiler infrastructure.
%prep
%autosetup -n %{name}-%{version}.src
%build
mkdir -p _build
cd _build
# force off shared libs as cmake macros turns it on.
%cmake3 .. \
-DBUILD_SHARED_LIBS:BOOL=OFF \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_SHARED_LINKER_FLAGS="-Wl,-Bsymbolic -static-libstdc++" \
%if 0%{?__isa_bits} == 64
-DLLVM_LIBDIR_SUFFIX=64 \
%else
-DLLVM_LIBDIR_SUFFIX= \
%endif
\
-DLLVM_TARGETS_TO_BUILD="X86;AMDGPU;PowerPC;NVPTX;SystemZ;AArch64;ARM;Mips;BPF" \
-DLLVM_ENABLE_LIBCXX:BOOL=OFF \
-DLLVM_ENABLE_ZLIB:BOOL=ON \
-DLLVM_ENABLE_FFI:BOOL=ON \
-DLLVM_ENABLE_RTTI:BOOL=ON \
%if %{with gold}
-DLLVM_BINUTILS_INCDIR=%{_includedir} \
%endif
\
-DLLVM_BUILD_RUNTIME:BOOL=ON \
\
-DLLVM_INCLUDE_TOOLS:BOOL=ON \
-DLLVM_BUILD_TOOLS:BOOL=ON \
\
-DLLVM_INCLUDE_TESTS:BOOL=ON \
-DLLVM_BUILD_TESTS:BOOL=ON \
\
-DLLVM_INCLUDE_EXAMPLES:BOOL=ON \
-DLLVM_BUILD_EXAMPLES:BOOL=OFF \
\
-DLLVM_INCLUDE_UTILS:BOOL=ON \
-DLLVM_INSTALL_UTILS:BOOL=OFF \
\
-DLLVM_INCLUDE_DOCS:BOOL=ON \
-DLLVM_BUILD_DOCS:BOOL=OFF \
-DLLVM_ENABLE_DOXYGEN:BOOL=OFF \
\
-DLLVM_BUILD_LLVM_DYLIB:BOOL=ON \
-DLLVM_DYLIB_EXPORT_ALL:BOOL=ON \
-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
-DLLVM_BUILD_EXTERNAL_COMPILER_RT:BOOL=ON \
-DLLVM_INSTALL_TOOLCHAIN_ONLY:BOOL=OFF
make %{?_smp_mflags}
%install
cd _build
make install DESTDIR=%{buildroot}
# fix multi-lib
mv -v %{buildroot}%{_bindir}/llvm-config{,-%{__isa_bits}}
mv -v %{buildroot}%{_includedir}/llvm/Config/llvm-config{,-%{__isa_bits}}.h
install -m 0644 %{SOURCE100} %{buildroot}%{_includedir}/llvm/Config/llvm-config.h
%check
cd _build
make check-all || :
%post libs -p /sbin/ldconfig
%postun libs -p /sbin/ldconfig
%post devel
%{_sbindir}/update-alternatives --install %{_bindir}/llvm-config llvm-config %{_bindir}/llvm-config-%{__isa_bits} %{__isa_bits}
%postun devel
[ $1 -eq 0 ] && %{_sbindir}/update-alternatives --remove llvm-config %{_bindir}/llvm-config-%{__isa_bits}
%files
%{_bindir}/*
%exclude %{_bindir}/llvm-config-%{__isa_bits}
%files libs
%{_libdir}/BugpointPasses.so
%{_libdir}/LLVMHello.so
%if %{with gold}
%{_libdir}/LLVMgold.so
%endif
%{_libdir}/libLLVM-3.9*.so
%{_libdir}/libLTO.so
%files devel
%{_bindir}/llvm-config-%{__isa_bits}
%{_includedir}/llvm
%{_includedir}/llvm-c
%{_libdir}/libLLVM.so
%{_libdir}/cmake/llvm
%files static
%{_libdir}/*.a
%changelog
* Sun Aug 06 2017 Thom Troy - 3.9.1-1
- First build - spec a modified version of fedora25 SRPM
Compiler-rt
%ifarch s390 s390x
# only limited set of libs available on s390(x) and the existing ones (stats, ubsan) don't provide debuginfo
%global debug_package %{nil}
%endif
Name: compiler-rt
Version: 3.9.1
Release: 1%{?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
BuildRequires: cmake3
BuildRequires: python
BuildRequires: llvm-devel = %{version}
BuildRequires: llvm-static = %{version}
%description
The compiler-rt project is a part of the LLVM project. It provides
implementation of the low-level target-specific hooks required by
code generation, sanitizer runtimes and profiling library for code
instrumentation, and Blocks C language extension.
%prep
%setup -q -n %{name}-%{version}.src
%build
mkdir -p _build
cd _build
%cmake3 .. \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DLLVM_CONFIG_PATH:FILEPATH=%{_bindir}/llvm-config-%{__isa_bits} \
\
%if 0%{?__isa_bits} == 64
-DLLVM_LIBDIR_SUFFIX=64 \
%else
-DLLVM_LIBDIR_SUFFIX= \
%endif
-DCOMPILER_RT_INCLUDE_TESTS:BOOL=OFF # could be on?
make %{?_smp_mflags}
%install
cd _build
make install DESTDIR=%{buildroot}
# 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
for i in *.a *.syms *.so; do
ln -s ../$i linux/$i
done
%check
cd _build
#make check-all
%files
%{_includedir}/*
%{_libdir}/clang/%{version}
%changelog
* Fri Jul 14 2017 Thom Troy - 3.9.1-1
- First build - spec a modified version of fedora25 SRPM
Compiler-rt
Name: clang
Version: 3.9.1
Release: 1%{?dist}
Summary: A C language family front-end for LLVM
License: NCSA
URL: http://llvm.org
Source0: http://llvm.org/releases/%{version}/cfe-%{version}.src.tar.xz
Source100: clang-config.h
BuildRequires: cmake3
BuildRequires: llvm-devel = %{version}
BuildRequires: libxml2-devel
BuildRequires: llvm-static = %{version}
BuildRequires: perl-generators
BuildRequires: ncurses-devel
Requires: %{name}-libs%{?_isa} = %{version}-%{release}
# clang requires gcc, clang++ requires libstdc++-devel
# - https://bugzilla.redhat.com/show_bug.cgi?id=1021645
# - https://bugzilla.redhat.com/show_bug.cgi?id=1158594
Requires: libstdc++-devel
Requires: gcc-c++
%description
clang: noun
1. A loud, resonant, metallic sound.
2. The strident call of a crane or goose.
3. C-language family front-end toolkit.
The goal of the Clang project is to create a new C, C++, Objective C
and Objective C++ front-end for the LLVM compiler. Its tools are built
as libraries and designed to be loosely-coupled and extensible.
%package libs
Summary: Runtime library for clang
Requires: compiler-rt%{?_isa} >= %{version}
%description libs
Runtime library for clang.
%package devel
Summary: Development header files for clang.
Requires: %{name}%{?_isa} = %{version}-%{release}
%description devel
Development header files for clang.
%package analyzer
Summary: A source code analysis framework
License: NCSA and MIT
BuildArch: noarch
Requires: %{name} = %{version}-%{release}
# not picked up automatically since files are currently not installed in
# standard Python hierarchies yet
Requires: python
%description analyzer
The Clang Static Analyzer consists of both a source code analysis
framework and a standalone tool that finds bugs in C and Objective-C
programs. The standalone tool is invoked from the command-line, and is
intended to run in tandem with a build of a project or code base.
%prep
%setup -q -n cfe-%{version}.src
%build
mkdir -p _build
cd _build
%cmake3 .. \
-DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DLLVM_CONFIG:FILEPATH=/usr/bin/llvm-config-%{__isa_bits} \
\
-DCLANG_ENABLE_ARCMT:BOOL=ON \
-DCLANG_ENABLE_STATIC_ANALYZER:BOOL=ON \
-DCLANG_INCLUDE_DOCS:BOOL=ON \
-DCLANG_INCLUDE_TESTS:BOOL=ON \
-DCLANG_PLUGIN_SUPPORT:BOOL=ON \
-DENABLE_LINKER_BUILD_ID:BOOL=ON \
\
-DCLANG_BUILD_EXAMPLES:BOOL=OFF \
%if 0%{?__isa_bits} == 64
-DLLVM_LIBDIR_SUFFIX=64 \
%else
-DLLVM_LIBDIR_SUFFIX= \
%endif
-DLIB_SUFFIX=
make %{?_smp_mflags}
%install
cd _build
make install DESTDIR=%{buildroot}
# multilib fix
mv -v %{buildroot}%{_includedir}/clang/Config/config{,-%{__isa_bits}}.h
install -m 0644 %{SOURCE100} %{buildroot}%{_includedir}/clang/Config/config.h
# remove git integration
rm -vf %{buildroot}%{_bindir}/git-clang-format
# remove editor integrations (bbedit, sublime, emacs, vim)
rm -vf %{buildroot}%{_datadir}/clang/clang-format-bbedit.applescript
rm -vf %{buildroot}%{_datadir}/clang/clang-format-sublime.py*
rm -vf %{buildroot}%{_datadir}/clang/clang-format.el
rm -vf %{buildroot}%{_datadir}/clang/clang-format.py*
# remove diff reformatter
rm -vf %{buildroot}%{_datadir}/clang/clang-format-diff.py*
%check
# requires lit.py from LLVM utilities
#cd _build
#make check-all
%files
%{_libdir}/clang/
%{_bindir}/clang*
%{_bindir}/c-index-test
%files libs
%{_libdir}/*.so.*
%{_libdir}/*.so
%files devel
%{_includedir}/clang/
%{_includedir}/clang-c/
%{_libdir}/cmake/
%dir %{_datadir}/clang/
%files analyzer
%{_bindir}/scan-view
%{_bindir}/scan-build
%{_bindir}/scan-build
%{_libexecdir}/ccc-analyzer
%{_libexecdir}/c++-analyzer
%{_datadir}/scan-view/
%{_datadir}/scan-build/
%{_mandir}/man1/scan-build.1.*
%changelog
* Sun Aug 06 2017 Thom Troy - 3.9.1-1
- First build - spec a modified version of fedora25 SRPM
Include What You Use
Name: iwyu
Version: 0.7
Release: 1%{?dist}
Summary: C/C++ source files #include analyzer based on clang
License: NCSA
Source0: https://github.com/include-what-you-use/include-what-you-use/archive/clang_3.9.tar.gz
BuildRequires: cmake3
BuildRequires: clang-devel >= 3.9
BuildRequires: llvm-devel
BuildRequires: llvm-static
BuildRequires: zlib-devel
# Scripts are Python 2
BuildRequires: python2-devel
BuildRequires: ncurses-devel
# Virtual provide the long name
Provides: include-what-you-use = %{version}-%{release}
Provides: include-what-you-use%{?_isa} = %{version}-%{release}
ExclusiveArch: %{ix86} x86_64
%description
"Include what you use" means this: for every symbol (type, function, variable,
or macro) that you use in foo.cc (or foo.cpp), either foo.cc or foo.h
should #include a .h file that exports the declaration of that symbol. The
include-what-you-use tool is a program that can be built with the clang
libraries in order to analyze #includes of source files to find
include-what-you-use violations, and suggest fixes for them.
%prep
%autosetup -n include-what-you-use-clang_3.9
%build
mkdir build
cd build
%cmake3 -DIWYU_LLVM_LIB_PATH=%{_libdir}/llvm -DIWYU_LLVM_INCLUDE_PATH=%{_includedir} ..
%make_build
%install
%make_install -C build
cd %{buildroot}%{_bindir}
ln -s include-what-you-use iwyu
ln -s fix_includes.py fix_includes
ln -s iwyu_tool.py iwyu_tool
%check
# Need to have the clang header's at the correct relative path (see https://github.com/include-what-you-use/include-what-you-use/issues/100 )
ln -s %{_libdir} %{_lib}
cd build
PATH=$PWD:$PATH
ln -s ../fix_includes.py
ln -s ../fix_includes_test.py
ln -s ../iwyu_test_util.py
ln -s ../run_iwyu_tests.py
ln -s ../tests
%{__python2} run_iwyu_tests.py
%{__python2} fix_includes_test.py
%files
%{_bindir}/include-what-you-use
%{_bindir}/iwyu
%{_bindir}/fix_includes
%{_bindir}/fix_includes.py
%{_bindir}/iwyu_tool
%{_bindir}/iwyu_tool.py
%dir %{_datadir}/include-what-you-use
%{_datadir}/include-what-you-use/*.imp
* Sun Aug 06 2017 Thom Troy - 0.7
- Update to work on centos 7
Building the spec files
To build the spec files run:$ spectool -g -R SPECS/llvm.spec $ rpmbuild -ba SPECS/llvm.spec $ sudo yum install -y RPMS/x86_64/llvm-static-3.9.1-1.el7.centos.x86_64.rpm \ RPMS/x86_64/llvm-devel-3.9.1-1.el7.centos.x86_64.rpm \ RPMS/x86_64/llvm-libs-3.9.1-1.el7.centos.x86_64.rpm \ RPMS/x86_64/llvm-3.9.1-1.el7.centos.x86_64.rpm $ spectool -g -R SPECS/compiler-rt.spec $ rpmbuild -ba SPECS/compiler-rt.spec $ sudo yum install -y RPMS/x86_64/compiler-rt-3.9.1-1.el7.centos.x86_64.rpm $ spectool -g -R SPECS/clang.spec $ rpmbuild -ba SPECS/clang.spec $ sudo yum install -y RPMS/x86_64/clang-3.9.1-1.el7.centos.x86_64.rpm \ RPMS/x86_64/clang-libs-3.9.1-1.el7.centos.x86_64.rpm \ RPMS/x86_64/clang-devel-3.9.1-1.el7.centos.x86_64.rpm $ spectool -g -R SPECS/iwyu.spec $ rpmbuild -ba SPECS/iwyu.spec
This will result in you having all RPMS and SRPMS needed to install and use CLang and LLVM v3.9.1
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