mirror of
https://github.com/oven-sh/bun
synced 2026-02-10 02:48:50 +00:00
47 lines
1.7 KiB
Bash
Executable File
47 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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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:-$BUN_BASE_DIR/src/deps/}
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# this compiler detection could be better
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export CC=${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=${CC}
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export CFLAGS='-O3 -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden'
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export CXXFLAGS='-O3 -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden'
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export CMAKE_FLAGS=(
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-DCMAKE_C_COMPILER="${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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)
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if [[ $(uname -s) == 'Darwin' ]]; then
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if ! [[ $(uname -m) == 'arm64' ]]; then
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export CMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET:-10.14}
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else
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export CMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET:-11.0}
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fi
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CMAKE_FLAGS+=(-DCMAKE_OSX_DEPLOYMENT_TARGET=${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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fi
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