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llvm-mingw/build-compiler-rt.sh
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#!/bin/sh
#
# Copyright (c) 2018 Martin Storsjo
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
set -e
SRC_DIR=../lib/builtins
BUILD_SUFFIX=
while [ $# -gt 0 ]; do
if [ "$1" = "--build-sanitizers" ]; then
SRC_DIR=..
BUILD_SUFFIX=-sanitizers
SANITIZERS=1
else
PREFIX="$1"
fi
shift
done
if [ -z "$PREFIX" ]; then
echo $0 [--build-sanitizers] dest
exit 1
fi
mkdir -p "$PREFIX"
PREFIX="$(cd "$PREFIX" && pwd)"
export PATH="$PREFIX/bin:$PATH"
: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
ANY_ARCH=$(echo $ARCHS | awk '{print $1}')
CLANG_VERSION=$(basename "$(dirname "$(dirname "$(dirname "$("$PREFIX/bin/$ANY_ARCH-w64-mingw32-clang" --print-libgcc-file-name -rtlib=compiler-rt)")")")")
if [ ! -d llvm-project/compiler-rt ] || [ -n "$SYNC" ]; then
CHECKOUT_ONLY=1 ./build-llvm.sh
fi
# Add a symlink for i386 -> i686; we normally name the toolchain
# i686-w64-mingw32, but due to the compiler-rt cmake peculiarities, we
# need to refer to it as i386 at this stage.
if [ ! -e "$PREFIX/i386-w64-mingw32" ]; then
case $ARCHS in
*i686*)
ln -sfn i686-w64-mingw32 "$PREFIX/i386-w64-mingw32" || true
;;
esac
fi
if [ -n "$(which ninja)" ]; then
CMAKE_GENERATOR="Ninja"
NINJA=1
BUILDCMD=ninja
else
: ${CORES:=$(nproc 2>/dev/null)}
: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
: ${CORES:=4}
case $(uname) in
MINGW*)
CMAKE_GENERATOR="MSYS Makefiles"
;;
*)
;;
esac
BUILDCMD=make
fi
cd llvm-project/compiler-rt
for arch in $ARCHS; do
buildarchname=$arch
libarchname=$arch
if [ -n "$SANITIZERS" ]; then
case $arch in
i686|x86_64)
# Sanitizers on windows only support x86.
;;
*)
continue
;;
esac
fi
case $arch in
armv7)
libarchname=arm
;;
i686)
buildarchname=i386
libarchname=i386
;;
esac
[ -z "$CLEAN" ] || rm -rf build-$arch$BUILD_SUFFIX
mkdir -p build-$arch$BUILD_SUFFIX
cd build-$arch$BUILD_SUFFIX
cmake \
${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="$PREFIX/$arch-w64-mingw32" \
-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
-DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_AR="$PREFIX/bin/llvm-ar" \
-DCMAKE_RANLIB="$PREFIX/bin/llvm-ranlib" \
-DCMAKE_C_COMPILER_WORKS=1 \
-DCMAKE_CXX_COMPILER_WORKS=1 \
-DCMAKE_C_COMPILER_TARGET=$buildarchname-windows-gnu \
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE \
-DCOMPILER_RT_USE_BUILTINS_LIBRARY=TRUE \
$SRC_DIR
$BUILDCMD ${CORES+-j$CORES}
mkdir -p "$PREFIX/lib/clang/$CLANG_VERSION/lib/windows"
mkdir -p "$PREFIX/$arch-w64-mingw32/bin"
for i in lib/windows/libclang_rt.*-$buildarchname*.a; do
cp $i "$PREFIX/lib/clang/$CLANG_VERSION/lib/windows/$(basename $i | sed s/$buildarchname/$libarchname/)"
done
for i in lib/windows/libclang_rt.*-$buildarchname*.dll; do
if [ -f $i ]; then
cp $i "$PREFIX/$arch-w64-mingw32/bin"
fi
done
if [ -n "$SANITIZERS" ]; then
$BUILDCMD install-compiler-rt-headers
fi
cd ..
done