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bun.sh/scripts/setup.sh
2024-09-10 19:57:19 -07:00

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#!/usr/bin/env bash
set -e
C_BOLD="\e[1;1m"
C_GREEN="\e[32m"
C_RED="\e[31m"
C_BLUE="\e[34m"
C_RESET="\e[0m"
has_exec() {
which "$1" >/dev/null 2>&1 || return 1
}
fail() {
has_failure=1
printf "${C_RED}setup error${C_RESET}: %s\n" "$@"
}
if [[ $(uname -s) == 'Darwin' ]]; then
export LLVM_VERSION=18
# Use from brew --prefix if available
if has_exec brew; then
export PKG_CONFIG_PATH=$(brew --prefix)/lib/pkgconfig:$PKG_CONFIG_PATH
# if llvm@18/bin/clang exists, use it
if [ -x "$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang" ]; then
export PATH=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin:$PATH
export CC=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang
export CXX=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/clang++
export AR=$(brew --prefix)/opt/llvm@$LLVM_VERSION/bin/llvm-ar
else
export CC=$(which clang-$LLVM_VERSION || which clang || which cc)
export CXX=$(which clang++-$LLVM_VERSION || which clang++ || which c++)
export AR=$(which llvm-ar-$LLVM_VERSION || which llvm-ar || which ar)
fi
fi
test -n "$CC" || fail "missing LLVM $LLVM_VERSION (could not find clang)"
test -n "$CXX" || fail "missing LLVM $LLVM_VERSION (could not find clang++)"
else
export LLVM_VERSION=16
export CC=$(which clang-$LLVM_VERSION || which clang || which cc)
export CXX=$(which clang++-$LLVM_VERSION || which clang++ || which c++)
export AR=$(which llvm-ar-$LLVM_VERSION || which llvm-ar || which ar)
fi
test -n "$CC" || fail "missing LLVM $LLVM_VERSION (could not find clang)"
test -n "$CXX" || fail "missing LLVM $LLVM_VERSION (could not find clang++)"
for type in CC CXX; do
compiler="${!type}"
$(
"$compiler" --version | grep "clang version ${LLVM_VERSION}." >/dev/null 2>&1
) || fail "LLVM ${LLVM_VERSION} is required. Detected $type as '$compiler'"
done
has_exec "bun" || fail "you need an existing copy of 'bun' in your path to build bun"
has_exec "cmake" || fail "'cmake' is missing"
has_exec "ninja" || fail "'ninja' is missing"
$(
has_exec "rustc" &&
(test $(cargo --version | awk '{print $2}' | cut -d. -f2) -gt 57) &&
has_exec "cargo"
) || fail "Rust and Cargo version must be installed (minimum version 1.57)"
has_exec "go" || fail "'go' is missing"
has_exec "${PKG_CONFIG:-pkg-config}" || fail "'pkg-config' is missing"
has_exec "automake" || fail "'automake' is missing"
has_exec "perl" || fail "'perl' is missing"
has_exec "ruby" || fail "'ruby' is missing"
if [ -n "$has_failure" ]; then
exit 1
fi
rm -f .vscode/clang++
ln -s "$CXX" .vscode/clang++
printf "All system dependencies OK\n"
printf "C Compiler for dependencies: ${CC}\n"
printf "C++ Compiler for dependencies: ${CXX}\n"
cd "$(dirname "${BASH_SOURCE[0]}")"
rm -rf env.local
echo "# Environment variables as of last setup.sh run at $(date)" >env.local
echo "export CC=\"${CC}\"" >>env.local
echo "export CXX\"=${CXX}\"" >>env.local
echo "export AR=\"${AR}\"" >>env.local
echo "export PATH=\"${PATH}\"" >>env.local
echo "Saved environment variables to $(pwd)/env.local"
bash ./update-submodules.sh
bash ./all-dependencies.sh
cd ../
# Install bun dependencies
bun i
# Install test dependencies
cd test
bun i
cd ..
# TODO(@paperdave): do not use the Makefile please
has_exec "make" || fail "'make' is missing"
make runtime_js fallback_decoder bun_error node-fallbacks
mkdir -p build
rm -f build/CMakeCache.txt
cmake -B build -S . \
-G Ninja \
-DUSE_DEBUG_JSC=ON \
-DCMAKE_BUILD_TYPE=Debug \
-DCMAKE_C_COMPILER="$CC" \
-DCMAKE_CXX_COMPILER="$CXX" \
-UZIG_COMPILER "$*"
ninja -C build
printf "Checking if built bun functions\n"
BUN_VERSION=$(BUN_DEBUG_QUIET_LOGS=1 ./build/bun-debug --version)
printf "\n"
printf "🎉 ${C_GREEN}${C_BOLD}Development environment setup complete!${C_RESET}\n"
printf "${C_BLUE}bun v${BUN_VERSION} is located at ./build/bun-debug${C_RESET}\n"
if has_exec bun-debug; then
bun_is_at=$(which bun-debug)
if [ "$(realpath "$bun_is_at")" != "$(realpath "./build/bun-debug")" ]; then
printf "\n"
printf "${C_RED}"'Your $PATH is not configured correctly!\n'"${C_RESET}"
printf "\n"
printf "which bun-debug --> %s\n" "${bun_is_at}"
printf "\n"
printf "You should remove this binary and switch it to ./build:\n"
printf ' export PATH="$PATH:%s"\n' $(realpath "$PWD/build")
fi
else
printf "\n"
printf "You should add ./build to your path:\n"
printf ' export PATH="$PATH:%s"\n' $(realpath "$PWD/build")
fi
printf "\n"
printf "To rebuild bun, run '${C_GREEN}bun run build${C_RESET}'\n\n"