build.sh

#!/bin/bash

set -e -o pipefail


export CXXFLAGS
export CFLAGS
cd "$(dirname "$0")"

mkdir -p build && cd build
if ! [[ -f antlr-jar ]]; then
  nix build 'nixpkgs/655a58a72a6601292512670343087c2d75d859c1#antlr.src' -o antlr-jar
fi
if ! [[ -d antlr-dev ]]; then
  nix build 'nixpkgs/655a58a72a6601292512670343087c2d75d859c1#antlr.runtime.cpp^dev' -o antlr
fi
if [[ -n "$LLVM_ROOT" ]]; then
  ln -s "$LLVM_ROOT" ./llvm-dev
elif ! [[ -d llvm-dev ]]; then
  nix build 'github:katrinafyi/pac-nix/llvm-update-2025-01#llvm-custom-git.libllvm^dev' -o llvm
fi

if [[ -d aslp ]]; then :
elif command -v aslp-server &>/dev/null; then
  mkdir -p aslp/bin; ln -s $(which aslp-server) ./aslp/bin
else
  nix build 'github:katrinafyi/pac-nix#aslp-server' -o aslp
fi

if ! [[ -d varnish ]]; then
  nix build 'nixpkgs/655a58a72a6601292512670343087c2d75d859c1#varnish' -o varnish
fi

cd ..

if command -v clang++ &>/dev/null && [[ -z "$CXX" ]]; then
  export CXX=$(which clang++)
fi

if [ "$USER" == "regehr" ]; then
cmake -B build -DBUILD_TV=1 \
  -DCMAKE_PREFIX_PATH="$(realpath build/antlr-dev)" \
  -DANTLR4_JAR_LOCATION="$(realpath build/antlr-jar)" \
  -DLLVM_DIR=$HOME/llvm-project/for-alive/lib/cmake/llvm/ \
  -G Ninja \
  -DCMAKE_BUILD_TYPE=Release \
  "$@"
cmake --build build
else
  # -DCMAKE_BUILD_TYPE=Release \
cmake -B build -DBUILD_TV=1 \
  -DCMAKE_PREFIX_PATH="$(realpath build/antlr-dev);$(realpath build/llvm-dev)" \
  -DANTLR4_JAR_LOCATION="$(realpath build/antlr-jar)" \
  "$@"
  # -DLLVM_DIR=~/progs/llvm-regehr/build/lib/cmake/llvm/ \
  # -DFETCHCONTENT_SOURCE_DIR_ASLP-CPP=~/progs/aslp \
  # -DCMAKE_VERBOSE_MAKEFILE=TRUE \
cmake --build build -j12
fi

# HACK: when building with LLVM from Nix, the alivecc/alive++ will be non-functional,
# due to an incorrect clang path.
# simply remove it to prevent test failure.
if ! build/alivecc --version; then
  echo 'build.sh: removing incorrectly-built alivecc/alive++...' >&2
  rm -f build/alivecc build/alive++
fi