Martin Storsjö
bd9e16f732
This allows shrinking binaries somewhat, if linking the runtimes statically and using the -Wl,--gc-sections option.
138 lines
4.1 KiB
Bash
Executable File
138 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2018 Martin Storsjo
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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set -e
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BUILD_STATIC=1
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BUILD_SHARED=1
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while [ $# -gt 0 ]; do
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if [ "$1" = "--disable-shared" ]; then
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BUILD_SHARED=
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elif [ "$1" = "--enable-shared" ]; then
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BUILD_SHARED=1
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elif [ "$1" = "--disable-static" ]; then
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BUILD_STATIC=
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elif [ "$1" = "--enable-static" ]; then
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BUILD_STATIC=1
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else
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PREFIX="$1"
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fi
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shift
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done
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if [ -z "$PREFIX" ]; then
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echo $0 [--disable-shared] [--disable-static] dest
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exit 1
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fi
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mkdir -p "$PREFIX"
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PREFIX="$(cd "$PREFIX" && pwd)"
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export PATH="$PREFIX/bin:$PATH"
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: ${ARCHS:=${TOOLCHAIN_ARCHS-i686 x86_64 armv7 aarch64}}
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if [ ! -d llvm-project/libunwind ] || [ -n "$SYNC" ]; then
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CHECKOUT_ONLY=1 ./build-llvm.sh
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fi
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cd llvm-project
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LLVM_PATH="$(pwd)/llvm"
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cd runtimes
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if [ -n "$(which ninja)" ]; then
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CMAKE_GENERATOR="Ninja"
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NINJA=1
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BUILDCMD=ninja
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else
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: ${CORES:=$(nproc 2>/dev/null)}
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: ${CORES:=$(sysctl -n hw.ncpu 2>/dev/null)}
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: ${CORES:=4}
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case $(uname) in
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MINGW*)
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CMAKE_GENERATOR="MSYS Makefiles"
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;;
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*)
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;;
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esac
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BUILDCMD=make
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fi
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build_all() {
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type="$1"
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CMAKEFLAGS=""
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if [ "$type" = "shared" ]; then
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SHARED=TRUE
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STATIC=FALSE
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CMAKEFLAGS="$CMAKEFLAGS -DLIBCXXABI_USE_LLVM_UNWINDER=ON"
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else
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SHARED=FALSE
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STATIC=TRUE
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fi
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for arch in $ARCHS; do
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[ -z "$CLEAN" ] || rm -rf build-$arch-$type
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mkdir -p build-$arch-$type
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cd build-$arch-$type
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cmake \
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${CMAKE_GENERATOR+-G} "$CMAKE_GENERATOR" \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INSTALL_PREFIX="$PREFIX/$arch-w64-mingw32" \
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-DCMAKE_C_COMPILER=$arch-w64-mingw32-clang \
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-DCMAKE_CXX_COMPILER=$arch-w64-mingw32-clang++ \
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-DCMAKE_CXX_COMPILER_TARGET=$arch-w64-windows-gnu \
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-DCMAKE_C_FLAGS="-ffunction-sections -fdata-sections" \
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-DCMAKE_CXX_FLAGS="-ffunction-sections -fdata-sections" \
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-DCMAKE_CROSSCOMPILING=TRUE \
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-DCMAKE_SYSTEM_NAME=Windows \
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-DCMAKE_C_COMPILER_WORKS=TRUE \
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-DCMAKE_CXX_COMPILER_WORKS=TRUE \
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-DLLVM_PATH="$LLVM_PATH" \
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-DCMAKE_AR="$PREFIX/bin/llvm-ar" \
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-DCMAKE_RANLIB="$PREFIX/bin/llvm-ranlib" \
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-DLLVM_ENABLE_RUNTIMES="libunwind;libcxxabi;libcxx" \
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-DLIBUNWIND_USE_COMPILER_RT=TRUE \
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-DLIBUNWIND_ENABLE_SHARED=$SHARED \
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-DLIBUNWIND_ENABLE_STATIC=$STATIC \
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-DLIBCXX_USE_COMPILER_RT=ON \
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-DLIBCXX_ENABLE_SHARED=$SHARED \
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-DLIBCXX_ENABLE_STATIC=$STATIC \
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-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=OFF \
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-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=TRUE \
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-DLIBCXX_CXX_ABI=libcxxabi \
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-DLIBCXX_LIBDIR_SUFFIX="" \
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-DLIBCXX_INCLUDE_TESTS=FALSE \
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-DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=FALSE \
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-DLIBCXXABI_USE_COMPILER_RT=ON \
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-DLIBCXXABI_ENABLE_SHARED=OFF \
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-DLIBCXXABI_LIBDIR_SUFFIX="" \
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$CMAKEFLAGS \
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..
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$BUILDCMD ${CORES+-j$CORES}
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$BUILDCMD install
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cd ..
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done
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}
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# Build shared first and static afterwards; the headers for static linking also
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# work when linking against the DLL, but not vice versa.
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[ -z "$BUILD_SHARED" ] || build_all shared
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[ -z "$BUILD_STATIC" ] || build_all static
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