Martin Storsjö
966f88e3da
Check for the prescence of the llvm-tblgen binary in addition to just checking whether the llvm/build or llvm/build-asserts directories exist. In cases where having multiple build directories around, where some are older than others, it's now possible to clarify which one to use for tools by just removing the llvm-tblgen binary from the other ones. Also check for the prescenece of each individual tool before setting it; this fixes builds where the native build might not have all components enable as as enabled in the cross build.
306 lines
9.9 KiB
Bash
Executable File
306 lines
9.9 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-14.0.0}
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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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LLDB=ON
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CLANG_TOOLS_EXTRA=ON
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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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--with-python)
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WITH_PYTHON=1
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;;
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--symlink-projects)
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SYMLINK_PROJECTS=1
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;;
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--disable-lldb)
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unset LLDB
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;;
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--disable-clang-tools-extra)
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unset CLANG_TOOLS_EXTRA
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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 $0 [--enable-asserts] [--stage2] [--thinlto] [--lto] [--disable-dylib] [--full-llvm] [--with-python] [--symlink-projects] [--disable-lldb] [--disable-clang-tools-extra] [--host=triple] dest
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exit 1
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fi
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mkdir -p "$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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cd ..
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CHECKOUT=1
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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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# Check if the intended commit or tag exists in the local repo. If it
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# exists, just check it out instead of trying to fetch it.
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# (Redoing a shallow fetch will refetch the data even if the commit
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# already exists locally, unless fetching a tag with the "tag"
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# argument.)
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if git cat-file -e "$LLVM_VERSION" 2> /dev/null; then
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# Exists; just check it out
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git checkout "$LLVM_VERSION"
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else
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case "$LLVM_VERSION" in
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llvmorg-*)
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# If $LLVM_VERSION looks like a tag, fetch it with the
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# "tag" keyword. This makes sure that the local repo
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# gets the tag too, not only the commit itself. This allows
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# later fetches to realize that the tag already exists locally.
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git fetch --depth 1 origin tag "$LLVM_VERSION"
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git checkout "$LLVM_VERSION"
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;;
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*)
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git fetch --depth 1 origin "$LLVM_VERSION"
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git checkout FETCH_HEAD
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;;
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esac
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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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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="$CMAKEFLAGS -DCROSS_TOOLCHAIN_FLAGS_NATIVE="
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native=""
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for dir in llvm-project/llvm/build/bin llvm-project/llvm/build-asserts/bin; do
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if [ -x "$dir/llvm-tblgen.exe" ]; then
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native="$(pwd)/$dir"
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suffix=".exe"
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break
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elif [ -x "$dir/llvm-tblgen" ]; then
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native="$(pwd)/$dir"
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suffix=""
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break
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fi
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done
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if [ -z "$native" ] && [ -n "$(which llvm-tblgen)" ]; then
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native="$(dirname $(which llvm-tblgen))"
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suffix=""
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if [ -x "$native/llvm-tblgen.exe" ]; then
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suffix=".exe"
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fi
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fi
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if [ -n "$native" ]; then
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if [ -x "$native/llvm-tblgen$suffix" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_TABLEGEN=$native/llvm-tblgen$suffix"
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fi
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if [ -x "$native/clang-tblgen$suffix" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_TABLEGEN=$native/clang-tblgen$suffix"
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fi
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if [ -x "$native/lldb-tblgen$suffix" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_TABLEGEN=$native/lldb-tblgen$suffix"
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fi
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if [ -x "$native/llvm-config$suffix" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_CONFIG_PATH=$native/llvm-config$suffix"
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fi
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fi
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CROSS_ROOT=$(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="$CMAKEFLAGS -DCLANG_DEFAULT_UNWINDLIB=libunwind"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_DEFAULT_CXX_STDLIB=libc++"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_DEFAULT_LINKER=lld"
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BUILDDIR=$BUILDDIR-$HOST
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if [ -n "$WITH_PYTHON" ]; then
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PYTHON_VER="3.9"
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# The python3-config script requires executing with bash. It outputs
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# an extra trailing space, which the extra 'echo' layer gets rid of.
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EXT_SUFFIX="$(echo $(bash $PREFIX/python/bin/python3-config --extension-suffix))"
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_ENABLE_PYTHON=ON"
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CMAKEFLAGS="$CMAKEFLAGS -DPYTHON_HOME=$PREFIX/python"
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_PYTHON_HOME=../python"
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# Relative to the lldb install root
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_PYTHON_RELATIVE_PATH=python/lib/python$PYTHON_VER/site-packages"
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# Relative to LLDB_PYTHON_HOME
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_PYTHON_EXE_RELATIVE_PATH=bin/python3.exe"
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CMAKEFLAGS="$CMAKEFLAGS -DLLDB_PYTHON_EXT_SUFFIX=$EXT_SUFFIX"
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CMAKEFLAGS="$CMAKEFLAGS -DPython3_INCLUDE_DIRS=$PREFIX/python/include/python$PYTHON_VER"
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CMAKEFLAGS="$CMAKEFLAGS -DPython3_LIBRARIES=$PREFIX/python/lib/libpython$PYTHON_VER.dll.a"
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fi
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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="$CMAKEFLAGS -DCMAKE_CXX_COMPILER=clang++"
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_USE_LINKER=lld"
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fi
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if [ -n "$LTO" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_ENABLE_LTO=$LTO"
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fi
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if [ -n "$MACOS_REDIST" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_OSX_ARCHITECTURES=arm64;x86_64"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_OSX_DEPLOYMENT_TARGET=10.9"
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fi
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TOOLCHAIN_ONLY=ON
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if [ -n "$FULL_LLVM" ]; then
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TOOLCHAIN_ONLY=OFF
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fi
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cd llvm-project/llvm
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if [ -n "$SYMLINK_PROJECTS" ]; then
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# If requested, hook up other tools by symlinking them into tools,
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# instead of using LLVM_ENABLE_PROJECTS. This way, all source code is
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# under the directory tree of the toplevel cmake file (llvm-project/llvm),
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# which makes cmake use relative paths to all source files. Using relative
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# paths makes for identical compiler output from different source trees in
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# different locations (for cases where e.g. path names are included, in
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# assert messages), allowing ccache to share caches across multiple
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# checkouts.
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cd tools
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for p in clang lld lldb; do
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if [ "$p" = "lldb" ] && [ -z "$LLDB" ]; then
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continue
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fi
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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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if [ -n "$CLANG_TOOLS_EXTRA" ]; then
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cd ../clang/tools
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if [ ! -e extra ]; then
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ln -s ../../clang-tools-extra extra
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fi
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cd ../../llvm
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fi
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else
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EXPLICIT_PROJECTS=1
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PROJECTS="clang;lld"
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if [ -n "$LLDB" ]; then
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PROJECTS="$PROJECTS;lldb"
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fi
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if [ -n "$CLANG_TOOLS_EXTRA" ]; then
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PROJECTS="$PROJECTS;clang-tools-extra"
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fi
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fi
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[ -z "$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="$PROJECTS"} \
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-DLLVM_TARGETS_TO_BUILD="ARM;AArch64;X86" \
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-DLLVM_INSTALL_TOOLCHAIN_ONLY=$TOOLCHAIN_ONLY \
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-DLLVM_LINK_LLVM_DYLIB=$LINK_DYLIB \
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-DLLVM_TOOLCHAIN_TOOLS="llvm-ar;llvm-ranlib;llvm-objdump;llvm-rc;llvm-cvtres;llvm-nm;llvm-strings;llvm-readobj;llvm-dlltool;llvm-pdbutil;llvm-objcopy;llvm-strip;llvm-cov;llvm-profdata;llvm-addr2line;llvm-symbolizer;llvm-windres;llvm-ml;llvm-readelf" \
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${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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