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llvm-mingw/build-llvm.sh
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#!/bin/sh
set -e
ASSERTS=ON
BUILDDIR=build
while [ $# -gt 0 ]; do
if [ "$1" = "--disable-asserts" ]; then
ASSERTS=OFF
BUILDDIR=build-noasserts
else
PREFIX="$1"
fi
shift
done
if [ -z "$PREFIX" ]; then
echo $0 [--disable-asserts] dest
exit 1
fi
: ${CORES:=4}
if [ ! -d llvm ]; then
# When cloning master and checking out a pinned old hash, we can't use --depth=1.
# Do the git-svn rebase to populate git-svn information, to make
# "clang --version" produce SVN based version numbers.
git clone -b master https://github.com/llvm-mirror/llvm.git
cd llvm/tools
git clone -b master https://github.com/llvm-mirror/clang.git
git clone -b master https://github.com/llvm-mirror/lld.git
cd ..
git svn init https://llvm.org/svn/llvm-project/llvm/trunk
git config svn-remote.svn.fetch :refs/remotes/origin/master
git svn rebase -l
cd tools/clang
git svn init https://llvm.org/svn/llvm-project/cfe/trunk
git config svn-remote.svn.fetch :refs/remotes/origin/master
git svn rebase -l
cd ../lld
git svn init https://llvm.org/svn/llvm-project/lld/trunk
git config svn-remote.svn.fetch :refs/remotes/origin/master
git svn rebase -l
cd ../../..
CHECKOUT=1
fi
if [ -n "$SYNC" ] || [ -n "$CHECKOUT" ]; then
cd llvm
[ -z "$SYNC" ] || git fetch
git checkout 5877e4ed63ba21fb57f2c7fb4ed4950288e2a28c
cd tools/clang
[ -z "$SYNC" ] || git fetch
git checkout a866fe7bf7c577b698229106f0ddc2d31b285de8
cd ../lld
[ -z "$SYNC" ] || git fetch
git checkout df3e3050ef26292a8c7d2d16b073588eba28db6c
cd ../../..
fi
if [ -n "$(which ninja)" ]; then
CMAKE_GENERATOR="-G Ninja"
NINJA=1
fi
cd llvm
mkdir -p $BUILDDIR
cd $BUILDDIR
cmake \
$CMAKE_GENERATOR \
-DCMAKE_INSTALL_PREFIX="$PREFIX" \
-DCMAKE_BUILD_TYPE=Release \
-DLLVM_ENABLE_ASSERTIONS=$ASSERTS \
-DLLVM_TARGETS_TO_BUILD="ARM;AArch64;X86" \
-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON \
-DLLVM_TOOLCHAIN_TOOLS="llvm-ar;llvm-ranlib;llvm-objdump;llvm-rc;llvm-cvtres;llvm-nm;llvm-strings;llvm-readobj;llvm-dlltool;llvm-pdbutil" \
..
if [ -n "$NINJA" ]; then
ninja install/strip
else
make -j$CORES install/strip
fi