#!/bin/sh

set -e

if [ $# -lt 1 ]; then
    echo $0 dest
    exit 1
fi
PREFIX="$1"

: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}

if [ -n "$HOST" ] && [ -z "$CC" ]; then
    CC=${HOST}-gcc
fi
: ${CC:=cc}

case $(uname) in
MINGW*)
    EXEEXT=.exe
    ;;
esac

if [ -n "$EXEEXT" ]; then
    UNICODE=-municode
fi

mkdir -p $PREFIX/bin
cp wrappers/*-wrapper.sh $PREFIX/bin
$CC wrappers/change-pe-arch.c -o $PREFIX/bin/change-pe-arch$EXEEXT
$CC wrappers/clang-target-wrapper.c -o $PREFIX/bin/clang-target-wrapper$EXEEXT -O2 -Wl,-s $UNICODE
if [ -n "$EXEEXT" ]; then
    # For Windows, we should prefer the executable wrapper, which also works
    # when invoked from outside of MSYS.
    CTW_SUFFIX=$EXEEXT
    CTW_LINK_SUFFIX=$EXEEXT
else
    CTW_SUFFIX=.sh
fi
cd $PREFIX/bin
for arch in $ARCHS; do
    for exec in clang clang++ gcc g++; do
        ln -sf clang-target-wrapper$CTW_SUFFIX $arch-w64-mingw32-$exec$CTW_LINK_SUFFIX
    done
    for exec in ar ranlib nm strings; do
        ln -sf llvm-$exec$EXEEXT $arch-w64-mingw32-$exec || true
    done
    for exec in ld objdump windres dlltool; do
        ln -sf $exec-wrapper.sh $arch-w64-mingw32-$exec
    done
    for exec in objcopy strip; do
        ln -sf objcopy-wrapper.sh $arch-w64-mingw32-$exec
    done
done