37 lines
1.5 KiB
Bash
Executable File
37 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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set -e
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if [ -z "$SYSROOT" ]; then export SYSROOT="$(realpath "$(dirname "$0")/../sysroot")"; fi
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if [ -z "$LLVMDIR" ]; then export LLVMDIR="$(realpath "$(dirname "$0")/../llvm-project")"; fi
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if [ -f "$SYSROOT/bin/musl-gcc" ]; then export CC="$SYSROOT/bin/musl-gcc"; fi
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if [ -f "$SYSROOT/bin/musl-clang" ]; then export CC="$SYSROOT/bin/musl-clang"; fi
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# libcxx needs futex.h in atomic.cpp for FUTEX_WAIT_PRIVATE and FUTEX_WAKE_PRIVATE
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# the host linux header pulls in a ton of other headers, so let's just make one ourselves
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mkdir -p "$SYSROOT/include/linux"
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rm -f "$SYSROOT/include/linux/futex.h"
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printf "%s\n%s\n" "#define FUTEX_WAIT_PRIVATE 128" "#define FUTEX_WAKE_PRIVATE 129" > "$SYSROOT/include/linux/futex.h"
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rm -rf build1
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mkdir build1
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cd build1
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export CFLAGS="-w -mcmodel=large -mstack-protector-guard=global -fno-pic -fno-pie -fcf-protection=none"
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export CXXFLAGS="-w -mcmodel=large -mstack-protector-guard=global -fno-pic -fno-pie -fcf-protection=none -fno-use-cxa-atexit"
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export LDFLAGS="-no-pie"
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cmake \
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-DCMAKE_C_COMPILER="$CC" \
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-DCMAKE_CXX_COMPILER="$CC" \
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-DLIBCXX_ENABLE_SHARED=OFF \
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-DLIBCXX_CXX_ABI="system-libcxxabi" \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$LLVMDIR/libcxxabi/include" \
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-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON \
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-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=OFF \
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-DLIBCXX_ENABLE_RANDOM_DEVICE=OFF \
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-DLIBCXX_HAS_MUSL_LIBC=ON \
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-DLIBCXX_USE_COMPILER_RT=ON \
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-DLIBCXX_INCLUDE_TESTS=OFF \
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-DLIBCXX_INCLUDE_BENCHMARKS=OFF \
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-DLIBCXX_INCLUDE_DOCS=OFF \
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-DCMAKE_INSTALL_PREFIX="$SYSROOT" \
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$LLVMDIR/libcxx
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