Martin Storsjö
10210478ee
This fixes cases where llvm built without assertions can hang when assembling a file that references _GLOBAL_OFFSET_TABLE_ for windows (which is unsupported; previously this used llvm_unreachable making it undefined what happens if that really is hit).
120 lines
3.8 KiB
Bash
Executable File
120 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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set -e
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ASSERTS=OFF
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BUILDDIR=build
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while [ $# -gt 0 ]; do
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if [ "$1" = "--disable-asserts" ]; then
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ASSERTS=OFF
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BUILDDIR=build
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elif [ "$1" = "--enable-asserts" ]; then
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ASSERTS=ON
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BUILDDIR=build-asserts
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else
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PREFIX="$1"
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fi
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shift
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done
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if [ -z "$PREFIX" ]; then
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echo $0 [--enable-asserts] dest
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exit 1
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fi
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: ${CORES:=4}
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if [ ! -d llvm ]; then
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# When cloning master and checking out a pinned old hash, we can't use --depth=1.
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# Do the git-svn rebase to populate git-svn information, to make
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# "clang --version" produce SVN based version numbers.
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git clone -b master https://github.com/llvm-mirror/llvm.git
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cd llvm/tools
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git clone -b master https://github.com/llvm-mirror/clang.git
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git clone -b master https://github.com/llvm-mirror/lld.git
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cd ..
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git svn init https://llvm.org/svn/llvm-project/llvm/trunk
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git config svn-remote.svn.fetch :refs/remotes/origin/master
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git svn rebase -l
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cd tools/clang
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git svn init https://llvm.org/svn/llvm-project/cfe/trunk
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git config svn-remote.svn.fetch :refs/remotes/origin/master
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git svn rebase -l
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cd ../lld
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git svn init https://llvm.org/svn/llvm-project/lld/trunk
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git config svn-remote.svn.fetch :refs/remotes/origin/master
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git svn rebase -l
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cd ../../..
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CHECKOUT=1
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fi
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if [ -n "$SYNC" ] || [ -n "$CHECKOUT" ]; then
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cd llvm
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[ -z "$SYNC" ] || git fetch
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git checkout a978525b6415baf1f6a3f49b2cc8b50167f06e60
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cd tools/clang
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[ -z "$SYNC" ] || git fetch
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git checkout 122fb01a0d3afdb020866c719896161a1b829e03
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cd ../lld
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[ -z "$SYNC" ] || git fetch
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git checkout d0c1d02fc3bb851b22f4e5396c9c5afa91842c7b
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cd ../../..
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fi
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if [ -n "$(which ninja)" ]; then
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CMAKE_GENERATOR="-G Ninja"
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NINJA=1
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fi
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if [ -n "$HOST" ]; then
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_SYSTEM_NAME=Windows"
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CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_CROSSCOMPILE=1"
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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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if [ -d llvm/build/bin ]; then
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native=$(pwd)/llvm/build/bin
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elif [ -d llvm/build-asserts/bin ]; then
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native=$(pwd)/llvm/build-asserts/bin
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elif [ -d llvm/build-noasserts/bin ]; then
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native=$(pwd)/llvm/build-noasserts/bin
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else
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native=$(dirname $(which llvm-tblgen))
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fi
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_TABLEGEN=$native/llvm-tblgen"
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CMAKEFLAGS="$CMAKEFLAGS -DCLANG_TABLEGEN=$native/clang-tblgen"
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CMAKEFLAGS="$CMAKEFLAGS -DLLVM_CONFIG_PATH=$native/llvm-config"
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CROSS_ROOT=$(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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fi
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cd llvm
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mkdir -p $BUILDDIR
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cd $BUILDDIR
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cmake \
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$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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-DLLVM_TARGETS_TO_BUILD="ARM;AArch64;X86" \
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-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \
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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" \
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$CMAKEFLAGS \
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..
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if [ -n "$NINJA" ]; then
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ninja install/strip
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else
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make -j$CORES install/strip
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fi
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