mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 10:28:47 +00:00
83 lines
2.7 KiB
Bash
Executable File
83 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# hack for buildkite
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if [[ "${CI:-}" == "1" || "${CI:-}" == "true" ]]; then
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if [[ $(uname -s) == 'Darwin' ]]; then
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export BUN_INSTALL="$HOME/.bun"
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export PATH="$BUN_INSTALL/bin:$PATH"
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export PATH="$(brew --prefix llvm@16)/bin:$PATH"
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fi
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if [ -f ~/.bashrc ]; then
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source ~/.bashrc
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fi
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fi
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# this is the environment script for building bun's dependencies
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# it sets c compiler and flags
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export SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
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export BUN_BASE_DIR=${BUN_BASE_DIR:-$(cd $SCRIPT_DIR && cd .. && pwd)}
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export BUN_DEPS_DIR=${BUN_DEPS_DIR:-$BUN_BASE_DIR/src/deps}
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export BUN_DEPS_OUT_DIR=${BUN_DEPS_OUT_DIR:-$BUN_BASE_DIR/src/deps}
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# Silence a perl script warning
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# export LC_CTYPE="en_US.UTF-8"
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# export LC_ALL="en_US.UTF-8"
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# this compiler detection could be better
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export CC=${CC:-$(which clang-16 || which clang || which cc)}
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export CXX=${CXX:-$(which clang++-16 || which clang++ || which c++)}
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export AR=${AR:-$(which llvm-ar || which ar)}
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export CPUS=${CPUS:-$(nproc || sysctl -n hw.ncpu || echo 1)}
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export CMAKE_CXX_COMPILER=${CXX}
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export CMAKE_C_COMPILER=${CC}
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export CFLAGS='-O3 -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer'
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export CXXFLAGS='-O3 -fno-exceptions -fno-rtti -fvisibility=hidden -fvisibility-inlines-hidden -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer'
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export CMAKE_FLAGS=(
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-DCMAKE_C_COMPILER="${CC}"
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-DCMAKE_CXX_COMPILER="${CXX}"
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-DCMAKE_C_FLAGS="$CFLAGS"
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-DCMAKE_CXX_FLAGS="$CXXFLAGS"
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-DCMAKE_BUILD_TYPE=Release
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-DCMAKE_CXX_STANDARD=20
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-DCMAKE_C_STANDARD=17
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-DCMAKE_CXX_STANDARD_REQUIRED=ON
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-DCMAKE_C_STANDARD_REQUIRED=ON
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)
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CCACHE=$(which ccache || which sccache || '')
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if [ -n "$CCACHE" ]; then
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CMAKE_FLAGS+=(
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-DCMAKE_C_COMPILER_LAUNCHER="$CCACHE"
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-DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE"
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)
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fi
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if [[ $(uname -s) == 'Linux' ]]; then
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# Ensure we always use -std=gnu++20 on Linux
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CMAKE_FLAGS+=(-DCMAKE_CXX_EXTENSIONS=ON)
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fi
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if [[ $(uname -s) == 'Darwin' ]]; then
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export CMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET:-12.0}
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CMAKE_FLAGS+=(-DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET})
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export CFLAGS="$CFLAGS -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}"
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export CXXFLAGS="$CXXFLAGS -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}"
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fi
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mkdir -p $BUN_DEPS_OUT_DIR
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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echo "C Compiler: ${CC}"
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echo "C++ Compiler: ${CXX}"
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if [ -n "$CCACHE" ]; then
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echo "Ccache: ${CCACHE}"
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fi
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if [[ $(uname -s) == 'Darwin' ]]; then
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echo "OSX Deployment Target: ${CMAKE_OSX_DEPLOYMENT_TARGET}"
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fi
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fi
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