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BMLFS/build-scripts/llvm12.build

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#! /bin/bash
# LLVM 12.0.0
# Source: https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/llvm-12.0.0.src.tar.xz
# Source: https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/clang-12.0.0.src.tar.xz
# Source: https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/compiler-rt-12.0.0.src.tar.xz
# Source: https://github.com/llvm/llvm-project/releases/download/llvmorg-12.0.0/lld-12.0.0.src.tar.xz
#
# $BUILD = Directory to temporarily install
# $PKGS = Directory to store built packages
#
# DEPS
# Required: CMake
# Recommended: NONE
# Optional: Doxygen, git, Graphviz, libxml2, Python2, rsync(for tests),
# Optional: texlive-20200406 (or install-tl-unx), Valgrind, PyYAML,
# Optional: Zip, OCaml, psutil, recommonmark, Sphinx, and Z3
# If optimizing
export CFLAGS="-march=native -mtune=native -pipe "
export CFLAGS+="-Wl,-z,max-page-size=0x1000 "
export CFLAGS+="-fexceptions -fstack-protector --param=ssp-buffer-size=32 "
export CFLAGS+="-Wformat -Wformat-security -Wno-error "
# Unpack the sources:
cd projects && \
tar xf ../../pkgs/compiler-rt-12.0.0.src.tar.xz && \
mv compiler-rt-12.0.0.src compiler-rt && \
cd - && \
cd tools && \
tar xf ../../pkgs/clang-12.0.0.src.tar.xz && \
mv clang-12.0.0.src clang && \
tar xf ../../pkgs/lld-12.0.0.src.tar.xz && \
mv lld-12.0.0.src lld && \
cd -
# Apply patches from Void Linux
cd projects/compiler-rt
patch -Np1 -i ../../../patches/llvm12-compiler-rt-void/compiler-rt-aarch64-ucontext.patch && \
patch -Np1 -i ../../../patches/llvm12-compiler-rt-void/compiler-rt-sanitizer-ppc64-musl.patch && \
patch -Np1 -i ../../../patches/llvm12-compiler-rt-void/compiler-rt-size_t.patch && \
patch -Np1 -i ../../../patches/llvm12-compiler-rt-void/compiler-rt-xray-ppc64-musl.patch && \
cd -
cd tools/clang
patch -Np1 -i ../../../patches/llvm12-clang-void/clang-001-fix-unwind-chain-inclusion.patch && \
patch -Np1 -i ../../../patches/llvm12-clang-void/clang-002-add-musl-triples.patch && \
patch -Np1 -i ../../../patches/llvm12-clang-void/clang-003-ppc64-dynamic-linker-path.patch && \
patch -Np1 -i ../../../patches/llvm12-clang-void/clang-004-ppc64-musl-elfv2.patch && \
cd -
patch -Np1 -i ../patches/llvm12-void/llvm-001-musl.patch && \
patch -Np1 -i ../patches/llvm12-void/llvm-002-musl-ppc64-elfv2.patch && \
patch -Np1 -i ../patches/llvm12-void/llvm-003-ppc-secureplt.patch && \
patch -Np1 -i ../patches/llvm12-void/llvm-004-override-opt.patch && \
patch -Np1 -i ../patches/llvm12-void/llvm-005-ppc-bigpic.patch && \
patch -Np1 -i ../patches/llvm12-void/llvm-006-aarch64-mf_exec.patch
# Disable sanitizers for musl-based systems
#sed -i 's/set(COMPILER_RT_HAS_SANITIZER_COMMON TRUE)/set(COMPILER_RT_HAS_SANITIZER_COMMON FALSE)/' projects/compiler-rt/cmake/config-ix.cmake &&
# Update host/target triple detection
cp -v ../files/config.guess-musl cmake/config.guess
# Fix missing header for lld, https://bugs.llvm.org/show_bug.cgi?id=49228
mkdir -pv tools/lld/include/mach-o
cp -v ../files/libunwind-llvm12/compact_unwind_encoding.h tools/lld/include/mach-o
# some sanitizer currently only on x86_64 stuff needs backtrace
#sed -i 's,# Set common link flags.,list(APPEND SANITIZER_COMMON_LINK_LIBS execinfo),' \
# projects/compiler-rt/CMakeLists.txt
# Vastly reduce size of debugging symbols:
export CFLAGS=" -g -g1"
export CXXFLAGS=" -g -g1"
# If building with binutils in /opt/gnu instead of /usr (CMLFS):
export CFLAGS="$CFLAGS -I/opt/gnu/include"
export CXXFLAGS="$CXXFLAGS -I/opt/gnu/include"
case $(uname -m) in
i686*) export BARCH="X86"
export B_TARGETS="AMDGPU"
export B_TRUPLE="i686-unknown-linux-musl"
;;
x86_64*) export BARCH="X86"
export B_TARGETS="AMDGPU"
export B_TRUPLE="x86_64-unknown-linux-musl"
;;
armv5*) export BARCH="Armv5te"
export B_TARGETS="ARM"
export B_TRUPLE="armv5l-unknown-linux-musleabi"
;;
armv6*) export BARCH="Armv6"
export B_TARGETS="ARM"
export B_TRUPLE="armv6l-unknown-linux-musleabi"
;;
armv7*) export BARCH="Armv7"
export B_TARGETS="ARM"
export B_TRUPLE="armv7l-unknown-linux-musleabihf"
;;
aarch64*) export BARCH="AArch64"
export B_TARGETS="ARM;AArch64"
export B_TRUPLE="aarch64-unknown-linux-musleabihf"
;;
esac
mkdir -v build &&
cd build &&
CC=gcc CXX=g++ \
cmake -DCMAKE_INSTALL_PREFIX=/usr \
-DLLVM_ENABLE_FFI=ON \
-DCMAKE_BUILD_TYPE=Release \
-DLLVM_BUILD_LLVM_DYLIB=ON \
-DLLVM_LINK_LLVM_DYLIB=ON \
-DLLVM_ENABLE_RTTI=ON \
-DLLVM_BUILD_TESTS=ON \
-DLLVM_INSTALL_UTILS=ON \
-DLLVM_BINUTILS_INCDIR="/usr/include" \
-DLLVM_TARGET_ARCH=${BARCH} \
-DLLVM_TARGETS_TO_BUILD="host;BPF;${B_TARGETS}" \
-DLLVM_HOST_TRIPLE="${B_TRUPLE}" \
-DLLVM_DEFAULT_TARGET_TRIPLE="${B_TRUPLE}" \
-DCOMPILER_RT_DEFAULT_TARGET_TRIPLE="${B_TRUPLE}" \
-Wno-dev -G Ninja ..
unset CFLAGS CXXFLAGS BARCH B_TARGETS
read -p "Compile?" && time { ninja -j2 ; } &&
read -p "Press Enter to install" &&
# if not using a package manager:
# ninja install
# OR
# cmake -DCMAKE_INSTALL_PREFIX=/usr -P cmake_install.cmake
# if using pkgtools from Slackware, then:
sudo -S cmake -DCMAKE_INSTALL_PREFIX=${BUILD}/usr -P cmake_install.cmake
read -p "Press Enter to create pakage description."
cd $BUILD && sudo mkdir -v install &&
cat > /tmp/slack-desc << "EOF"
# HOW TO EDIT THIS FILE:
# The "handy ruler" below makes it easier to edit a package description. Line
# up the first '|' above the ':' following the base package name, and the '|'
# on the right side marks the last column you can put a character in. You must
# make exactly 11 lines for the formatting to be correct. It's also
# customary to leave one space after the ':' except on otherwise blank lines.
|-----handy-ruler------------------------------------------------------|
llvm: llvm (LLVM compiler toolkit)
llvm:
llvm: Low Level Virtual Machine is a toolkit for the construction of highly
llvm: optimized compilers, optimizers, and runtime environments.
llvm:
llvm: This package also includes the clang frontend for the C family of
llvm: languages: C, C++, Objective-C, and Objective-C++
llvm:
llvm:
llvm: Homepage: http://llvm.org/
llvm:
EOF
sudo mv /tmp/slack-desc install/ &&
read -p "Enter to build and install package" &&
sudo makepkg -l y -c n $PKGS/llvm-12.0.0-$(uname -m)-mlfs.txz &&
sudo rm -rf $BUILD/*
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