228 lines
6.9 KiB
Bash
Executable File
228 lines
6.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2018 Martin Storsjo
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -e
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: ${LLVM_VERSION:=llvmorg-13.0.0-rc1}
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ASSERTS=OFF
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unset HOST
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BUILDDIR="build"
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LINK_DYLIB=ON
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ASSERTSSUFFIX=""
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while [ $# -gt 0 ]; do
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case "$1" in
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--disable-asserts)
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ASSERTS=OFF
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ASSERTSSUFFIX=""
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;;
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--enable-asserts)
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ASSERTS=ON
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ASSERTSSUFFIX="-asserts"
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;;
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--stage2)
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STAGE2=1
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BUILDDIR="$BUILDDIR-stage2"
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;;
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--thinlto)
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LTO="thin"
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BUILDDIR="$BUILDDIR-thinlto"
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;;
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--lto)
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LTO="full"
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BUILDDIR="$BUILDDIR-lto"
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;;
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--disable-dylib)
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LINK_DYLIB=OFF
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;;
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--full-llvm)
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FULL_LLVM=1
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;;
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--host=*)
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HOST="${1#*=}"
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;;
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*)
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PREFIX="$1"
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;;
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esac
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shift
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done
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BUILDDIR="$BUILDDIR$ASSERTSSUFFIX"
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if [ -z "$CHECKOUT_ONLY" ]; then
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if [ -z "$PREFIX" ]; then
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echo $0 [--enable-asserts] [--stage2] [--thinlto] [--lto] [--disable-dylib] [--full-llvm] [--host=triple] dest
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exit 1
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fi
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mkdir -p "$PREFIX"
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PREFIX="$(cd "$PREFIX" && pwd)"
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fi
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if [ ! -d llvm-project ]; then
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mkdir llvm-project
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cd llvm-project
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git init
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git remote add origin https://github.com/llvm/llvm-project.git
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git fetch --depth 1 origin "$LLVM_VERSION"
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git checkout FETCH_HEAD
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cd ..
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CHECKOUT=1
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unset SYNC
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT" ]; then
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cd llvm-project
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if [ -n "$SYNC" ]; then
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git fetch --depth 1 origin "$LLVM_VERSION"
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git checkout FETCH_HEAD
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fi
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cd ..
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fi
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[ -z "$CHECKOUT_ONLY" ] || exit 0
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if [ -n "$(which ninja)" ]; then
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CMAKE_GENERATOR="Ninja"
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NINJA=1
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BUILDCMD=ninja
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else
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: ${CORES:=$(nproc 2>/dev/null)}
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: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
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: ${CORES:=4}
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case $(uname) in
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MINGW*)
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CMAKE_GENERATOR="MSYS Makefiles"
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;;
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*)
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;;
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esac
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BUILDCMD=make
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fi
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if [ -n "$HOST" ]; then
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find_native_tools() {
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if [ -d llvm-project/llvm/build/bin ]; then
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echo $(pwd)/llvm-project/llvm/build/bin
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elif [ -d llvm-project/llvm/build-asserts/bin ]; then
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echo $(pwd)/llvm-project/llvm/build-asserts/bin
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elif [ -d llvm-project/llvm/build-noasserts/bin ]; then
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echo $(pwd)/llvm-project/llvm/build-noasserts/bin
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elif [ -n "$(which llvm-tblgen)" ]; then
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echo $(dirname $(which llvm-tblgen))
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fi
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}
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_SYSTEM_NAME=Windows"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_CROSSCOMPILING=TRUE"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_C_COMPILER=$HOST-gcc"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_CXX_COMPILER=$HOST-g++"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_RC_COMPILER=$HOST-windres"
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CMAKEFLAGS="$CMAKEFLAGS -DCROSS_TOOLCHAIN_FLAGS_NATIVE="
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native=$(find_native_tools)
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if [ -n "$native" ]; then
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suffix=""
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if [ -f $native/llvm-tblgen.exe ]; then
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suffix=".exe"
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fi
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_TABLEGEN=$native/llvm-tblgen$suffix"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_TABLEGEN=$native/clang-tblgen$suffix"
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_TABLEGEN=$native/lldb-tblgen$suffix"
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_CONFIG_PATH=$native/llvm-config$suffix"
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fi
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CROSS_ROOT=$(cd $(dirname $(which $HOST-gcc))/../$HOST && pwd)
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH=$CROSS_ROOT"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY"
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# Custom, llvm-mingw specific defaults. We normally set these in
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# the frontend wrappers, but this makes sure they are enabled by
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# default if that wrapper is bypassed as well.
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_DEFAULT_RTLIB=compiler-rt"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_DEFAULT_CXX_STDLIB=libc++"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_DEFAULT_LINKER=lld"
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BUILDDIR=$BUILDDIR-$HOST
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elif [ -n "$STAGE2" ]; then
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# Build using an earlier built and installed clang in the target directory
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export PATH="$PREFIX/bin:$PATH"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_C_COMPILER=clang"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_CXX_COMPILER=clang++"
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if [ "$(uname)" != "Darwin" ]; then
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# Current lld isn't yet properly usable on macOS
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_USE_LINKER=lld"
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fi
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fi
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if [ -n "$LTO" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_ENABLE_LTO=$LTO"
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fi
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TOOLCHAIN_ONLY=ON
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if [ -n "$FULL_LLVM" ]; then
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TOOLCHAIN_ONLY=OFF
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fi
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cd llvm-project/llvm
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case $(uname) in
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MINGW*)
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EXPLICIT_PROJECTS=1
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;;
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*)
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# If we have working symlinks, hook up other tools by symlinking them
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# into tools, instead of using LLVM_ENABLE_PROJECTS. This way, all
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# source code is under the directory tree of the toplevel cmake file
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# (llvm-project/llvm), which makes cmake use relative paths to all source
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# files. Using relative paths makes for identical compiler output from
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# different source trees in different locations (for cases where e.g.
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# path names are included, in assert messages), allowing ccache to speed
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# up compilation.
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cd tools
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for p in clang lld lldb; do
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if [ ! -e $p ]; then
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ln -s ../../$p .
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fi
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done
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cd ..
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;;
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esac
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[ -z "$CLEAN" ] || rm -rf $BUILDDIR
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mkdir -p $BUILDDIR
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cd $BUILDDIR
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# Building LLDB for macOS fails unless building libc++ is enabled at the
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# same time, or unless the LLDB tests are disabled.
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cmake \
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${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
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-DCMAKE_INSTALL_PREFIX="$PREFIX" \
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-DCMAKE_BUILD_TYPE=Release \
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-DLLVM_ENABLE_ASSERTIONS=$ASSERTS \
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${EXPLICIT_PROJECTS+-DLLVM_ENABLE_PROJECTS="clang;lld;lldb"} \
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-DLLVM_TARGETS_TO_BUILD="ARM;AArch64;X86" \
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-DLLVM_INSTALL_TOOLCHAIN_ONLY=$TOOLCHAIN_ONLY \
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-DLLVM_LINK_LLVM_DYLIB=$LINK_DYLIB \
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-DLLVM_TOOLCHAIN_TOOLS="llvm-ar;llvm-ranlib;llvm-objdump;llvm-rc;llvm-cvtres;llvm-nm;llvm-strings;llvm-readobj;llvm-dlltool;llvm-pdbutil;llvm-objcopy;llvm-strip;llvm-cov;llvm-profdata;llvm-addr2line;llvm-symbolizer;llvm-windres;llvm-ml" \
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${HOST+-DLLVM_HOST_TRIPLE=$HOST} \
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-DLLDB_INCLUDE_TESTS=OFF \
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$CMAKEFLAGS \
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..
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$BUILDCMD ${CORES+-j$CORES} install/strip
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cp ../LICENSE.TXT $PREFIX
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