pkg:setup

# http://releases.llvm.org/download.html
cd tools
tar xf ${PKG_DATA}/sources/cfe*
tar xf ${PKG_DATA}/sources/lldb*
mv cfe* clang
mv lldb* lldb
cd ..

# Build for the host.
mkdir host
cd host
cmake DCMAKE_BUILD_TYPE=RELEASE -DLLVM_INCLUDE_TESTS=OFF ..
make -j16 llvm-tblgen clang-tblgen
cd ..

# Build for the target.
mkdir target
cd target

cat > iphoneos_toolchain.cmake <<EOF
set(CMAKE_SYSTEM_NAME Darwin)  # Tell CMake we're cross-compiling
set(CMAKE_CROSSCOMPILING true)
#include(CMakeForceCompiler)
# Prefix detection only works with compiler id "GNU"
# CMake will look for prefixed g++, cpp, ld, etc. automatically
set(CMAKE_SYSTEM_PROCESSOR aarch64)
set(triple ${PKG_TARG})
set(CMAKE_FIND_ROOT_PATH $(echo ${PKG_PATH} | sed -e s/:/' '/g))
set(CMAKE_LIBRARY_PATH $(echo ${LIBRARY_PATH} | sed -e s/:/' '/g))
set(CMAKE_INCLUDE_PATH $(echo ${INCLUDE_PATH} | sed -e s/:/' '/g))
set(CMAKE_C_COMPILER ${PKG_TARG}-gcc)
set(CMAKE_CXX_COMPILER ${PKG_TARG}-g++)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
EOF

cmake -DCMAKE_TOOLCHAIN_FILE=iphoneos_toolchain.cmake -DCMAKE_OSX_SYSROOT="${PKG_ROOT}" -DLLVM_INCLUDE_TESTS=OFF -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_SYSTEM_NAME=Darwin -DLLVM_TABLEGEN="$(pwd)/../host/bin/llvm-tblgen" -DCLANG_TABLEGEN="$(pwd)/../host/bin/clang-tblgen"-DLLVM_DEFAULT_TARGET_TRIPLE="$(echo ${PKG_TARG} | sed -e s/aarch64/arm64/ -e 's/darwin.*/darwin/')" \
	-DLLDB_DISABLE_PYTHON=1 -DLLDB_DISABLE_LIBEDIT=1 -DIOS=0 ..
make -j32 lldb

# Notes:
# tools/lldb/source/Host/macosx/objcxx/Host.mm:
#  Define NO_XPC_SERVICES with a patch

# Install
: pkg:install