mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 10:28:47 +00:00
60 lines
2.2 KiB
Bash
Executable File
60 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# 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:-$BUN_BASE_DIR/src/deps/}
|
|
|
|
# this compiler detection could be better
|
|
export CC=${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'
|
|
|
|
if [[ $(uname -s) == 'Linux' ]]; then
|
|
export CFLAGS+=(' -ffunction-sections -fdata-sections')
|
|
export CXXFLAGS+=(' -ffunction-sections -fdata-sections')
|
|
fi
|
|
|
|
export CMAKE_FLAGS=(
|
|
-DCMAKE_C_COMPILER="${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
|
|
)
|
|
|
|
if [[ $(uname -s) == 'Linux' ]]; then
|
|
# Ensure we always use -std=gnu++20 on Linux
|
|
export 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 [[ $(uname -s) == 'Darwin' ]]; then
|
|
echo "OSX Deployment Target: ${CMAKE_OSX_DEPLOYMENT_TARGET}"
|
|
fi
|
|
fi
|