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llvm-mingw/build-compiler-rt.sh
T
Martin Storsjö 6e4478b778 Fix overwriting symlinks to directories
This avoids extra misplaced symlinks if rerunning the build scripts.
2018-07-16 23:02:38 +03:00

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#!/bin/sh
set -e
if [ $# -lt 1 ]; then
echo $0 dest
exit 1
fi
PREFIX="$1"
export PATH=$PREFIX/bin:$PATH
: ${CORES:=4}
: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
CLANG_VERSION=$(basename $(dirname $(dirname $(dirname $($PREFIX/bin/clang --print-libgcc-file-name -rtlib=compiler-rt)))))
if [ ! -d compiler-rt ]; then
git clone -b master https://github.com/llvm-mirror/compiler-rt.git
CHECKOUT=1
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.
ln -sfn i686-w64-mingw32 $PREFIX/i386-w64-mingw32 || true
cd compiler-rt
if [ -n "$SYNC" ] || [ -n "$CHECKOUT" ]; then
[ -z "$SYNC" ] || git fetch
git checkout 97adb78eaae40595d052cfa76514db8256063bea
fi
for arch in $ARCHS; do
buildarchname=$arch
libarchname=$arch
case $arch in
armv7)
libarchname=arm
;;
i686)
buildarchname=i386
libarchname=i386
;;
esac
mkdir -p build-$arch
cd build-$arch
cmake \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_C_COMPILER=$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_C_COMPILER_TARGET=$buildarchname-windows-gnu \
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=TRUE \
../lib/builtins
make -j$CORES
mkdir -p $PREFIX/lib/clang/$CLANG_VERSION/lib/windows
cp lib/windows/libclang_rt.builtins-$buildarchname.a $PREFIX/lib/clang/$CLANG_VERSION/lib/windows/libclang_rt.builtins-$libarchname.a
cd ..
done