#!/bin/bash
[% c("var/set_default_env") -%]
builddir=/var/tmp/build/[% project %]-[% c('version') %]
distdir=/var/tmp/dist/[% project %]
mkdir -p $distdir /var/tmp/build

tar -C /var/tmp/dist -xf [% c('input_files_by_name/clang') %]
tar -C /var/tmp/dist -xf [% c('input_files_by_name/cmake') %]
tar -C /var/tmp/dist -xf [% c('input_files_by_name/ninja') %]
export PATH=/var/tmp/dist/clang/bin:/var/tmp/dist/cmake/bin:/var/tmp/dist/ninja:$PATH

tar -C /var/tmp/build -xf [% project %]-[% c('version') %].tar.[% c('compress_tar') %]

# What follows is mostly based on Firefox's
# taskcluster/scripts/misc/build-cctools-port.sh.

LIBTAPI_SOURCE_DIR=/var/tmp/build/[% project %]-[% c('version') %]
LIBTAPI_BUILD_DIR=/var/tmp/build/libtapi-build
CLANG_DIR=/var/tmp/dist/clang

# Create our directories
mkdir -p $LIBTAPI_BUILD_DIR

# Apply a minor libtapi tweak so cmake from outside of the srcdir works.
cd $LIBTAPI_SOURCE_DIR
patch -p1 < $rootdir/libtapi.patch

# Build libtapi; the included build.sh is not sufficient for our purposes.
cd $LIBTAPI_BUILD_DIR
# Common setup for libtapi and cctools
export CC=$CLANG_DIR/bin/clang
export CXX=$CLANG_DIR/bin/clang++
# We also need this LD_LIBRARY_PATH at build time, since tapi builds bits of
# clang build tools, and then executes those tools.
export LD_LIBRARY_PATH=$CLANG_DIR/lib

# Value taken from build.sh
TAPI_VERSION=1600.0.11.8

cmake -G Ninja $LIBTAPI_SOURCE_DIR/src/llvm \
      -DLLVM_INCLUDE_TESTS=OFF \
      -DCMAKE_BUILD_TYPE=RELEASE \
      -DLLVM_ENABLE_PROJECTS="tapi;clang" \
      -DLLVM_ENABLE_ZSTD=OFF \
      -DCMAKE_INSTALL_PREFIX=$distdir \
      -DCMAKE_EXE_LINKER_FLAGS=-fuse-ld=lld \
      -DCMAKE_SHARED_LINKER_FLAGS=-fuse-ld=lld \
      -DLLVM_TARGETS_TO_BUILD="X86;ARM;AArch64" \
      -DTAPI_REPOSITORY_STRING=$TAPI_VERSION \
      -DTAPI_FULL_VERSION=$TAPI_VERSION

ninja -j[% c("num_procs") %] clangBasic vt_gen -v
ninja -j[% c("num_procs") %] libtapi install-libtapi install-tapi-headers -v

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