Files
bun.sh/scripts/env.sh
2024-06-25 16:11:27 -07:00

83 lines
2.7 KiB
Bash
Executable File

#!/usr/bin/env bash
# hack for buildkite
if [[ "${CI:-}" == "1" || "${CI:-}" == "true" ]]; then
if [[ $(uname -s) == 'Darwin' ]]; then
export BUN_INSTALL="$HOME/.bun"
export PATH="$BUN_INSTALL/bin:$PATH"
export PATH="$(brew --prefix llvm@16)/bin:$PATH"
fi
if [ -f ~/.bashrc ]; then
source ~/.bashrc
fi
fi
# this is the environment script for building bun's dependencies
# it sets c compiler and flags
export SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
export BUN_BASE_DIR=${BUN_BASE_DIR:-$(cd $SCRIPT_DIR && cd .. && pwd)}
export BUN_DEPS_DIR=${BUN_DEPS_DIR:-$BUN_BASE_DIR/src/deps}
export BUN_DEPS_OUT_DIR=${BUN_DEPS_OUT_DIR:-$BUN_BASE_DIR/src/deps}
# Silence a perl script warning
# export LC_CTYPE="en_US.UTF-8"
# export LC_ALL="en_US.UTF-8"
# this compiler detection could be better
export CC=${CC:-$(which clang-16 || which clang || which cc)}
export CXX=${CXX:-$(which clang++-16 || which clang++ || which c++)}
export AR=${AR:-$(which llvm-ar || which ar)}
export CPUS=${CPUS:-$(nproc || sysctl -n hw.ncpu || echo 1)}
export CMAKE_CXX_COMPILER=${CXX}
export CMAKE_C_COMPILER=${CC}
export CFLAGS='-O3 -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer'
export CXXFLAGS='-O3 -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer'
export CMAKE_FLAGS=(
-DCMAKE_C_COMPILER="${CC}"
-DCMAKE_CXX_COMPILER="${CXX}"
-DCMAKE_C_FLAGS="$CFLAGS"
-DCMAKE_CXX_FLAGS="$CXXFLAGS"
-DCMAKE_BUILD_TYPE=Release
-DCMAKE_CXX_STANDARD=20
-DCMAKE_C_STANDARD=17
-DCMAKE_CXX_STANDARD_REQUIRED=ON
-DCMAKE_C_STANDARD_REQUIRED=ON
)
CCACHE=$(which ccache || which sccache || '')
if [ -n "$CCACHE" ]; then
CMAKE_FLAGS+=(
-DCMAKE_C_COMPILER_LAUNCHER="$CCACHE"
-DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE"
)
fi
if [[ $(uname -s) == 'Linux' ]]; then
# Ensure we always use -std=gnu++20 on Linux
CMAKE_FLAGS+=(-DCMAKE_CXX_EXTENSIONS=ON)
fi
if [[ $(uname -s) == 'Darwin' ]]; then
export CMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET:-12.0}
CMAKE_FLAGS+=(-DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET})
export CFLAGS="$CFLAGS -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}"
export CXXFLAGS="$CXXFLAGS -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}"
fi
mkdir -p $BUN_DEPS_OUT_DIR
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
echo "C Compiler: ${CC}"
echo "C++ Compiler: ${CXX}"
if [ -n "$CCACHE" ]; then
echo "Ccache: ${CCACHE}"
fi
if [[ $(uname -s) == 'Darwin' ]]; then
echo "OSX Deployment Target: ${CMAKE_OSX_DEPLOYMENT_TARGET}"
fi
fi