#!/bin/bash
[% c("var/set_default_env") -%]
distdir=/var/tmp/dist/[% project %]
mkdir -p /var/tmp/dist
tar -C /var/tmp/dist -xf [% c('input_files_by_name/cmake') %]
export PATH="/var/tmp/dist/cmake/bin:$PATH"
[% IF c("var/linux") %]
  # We need a link to our GCC, otherwise the system cc gets used which points
  # to /usr/bin/gcc.
  [% pc('gcc', 'var/setup', { compiler_tarfile => c('input_files_by_name/gcc'),
                              hardened_gcc => 0 }) %]
  ln -s gcc /var/tmp/dist/gcc/bin/cc
  [% pc('python', 'var/setup', { python_tarfile => c('input_files_by_name/python') }) %]
[% END -%]
[% IF c("var/android") %]
  [% pc(c('var/compiler'), 'var/setup', { compiler_tarfile => c('input_files_by_name/' _ c('var/compiler')) }) %]
[% END -%]
[% IF c("var/linux") || c("var/android") -%]
  tar -C /var/tmp/dist -xf [% c('input_files_by_name/binutils') %]
  export PATH="/var/tmp/dist/binutils/bin:$PATH"
[% END -%]
mkdir -p /var/tmp/build
cd /var/tmp/build
tar -xf $rootdir/[% c('input_files_by_name/clang-source') %]
cd clang-source
export LLVM_HOME=$(pwd)
mkdir build
cd build
cmake ../llvm -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=$distdir \
                                  -DCMAKE_BUILD_TYPE=Release \
            [% IF c("var/android") -%]
                                  -DLLVM_TARGETS_TO_BUILD="X86;ARM;AArch64" \
            [% END -%]
            [% IF c("var/rlbox") -%]-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=WebAssembly[% END %] \
                                  -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;compiler-rt;libcxx;libcxxabi;lld"
make -j[% c("buildconf/num_procs") %]
make install

[% IF c("var/android") -%]
  rtdistdir=/var/tmp/build/rtdist
  mkdir $rtdistdir

  make_compilerrt () {
    cd ..
    mkdir "build-compilerrt-$1"
    cd "build-compilerrt-$1"
    cmake ../compiler-rt/ -G "Unix Makefiles" \
      -DCMAKE_INSTALL_PREFIX=$rtdistdir \
      -DCMAKE_SYSTEM_NAME=Android \
      -DCMAKE_ANDROID_ARCH_ABI=$1 \
      -DCMAKE_ANDROID_NDK="/var/tmp/dist/android-toolchain/android-sdk-linux/ndk/android-ndk-r21d" \
      -DCMAKE_C_FLAGS="$3 -fuse-ld=lld --rtlib=compiler-rt" \
      -DCMAKE_CXX_FLAGS="$3 -fuse-ld=lld --rtlib=compiler-rt" \
      -DCMAKE_EXE_LINKER_FLAGS="-L/var/tmp/dist/android-toolchain/android-sdk-linux/ndk/android-ndk-r21d/toolchains/llvm/prebuilt/linux-x86_64/$2" \
      -DCOMPILER_RT_BUILD_BUILTINS=ON \
      -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
      -DCOMPILER_RT_BUILD_MEMPROF=OFF \
      -DCOMPILER_RT_BUILD_PROFILE=OFF \
      -DCOMPILER_RT_BUILD_SANITIZERS=OFF \
      -DCOMPILER_RT_BUILD_XRAY=OFF
    make -j[% c("buildconf/num_procs") %]
    make install
  }

  make_compilerrt "armeabi-v7a" "arm-linux-androideabi/lib" "-DARMEABI_V7A"
  make_compilerrt "arm64-v8a" "aarch64-linux-android/lib64"
  make_compilerrt "x86" "i686-linux-android/lib"
  make_compilerrt "x86_64" "x86_64-linux-android/lib64"

  mv $rtdistdir/lib/android/*.a $distdir/lib/clang/[% c("var/llvm_version") %]/lib/linux/
[% END -%]

cd /var/tmp/dist
[% c('tar', {
        tar_src => [ project ],
        tar_args => '-czf ' _ dest_dir _ '/' _ c('filename'),
    }) %]
