283 lines
10 KiB
Bash
283 lines
10 KiB
Bash
TERMUX_PKG_HOMEPAGE=https://emscripten.org
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TERMUX_PKG_DESCRIPTION="Emscripten: An LLVM-to-WebAssembly Compiler"
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TERMUX_PKG_LICENSE="MIT"
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TERMUX_PKG_MAINTAINER="@truboxl"
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TERMUX_PKG_VERSION=3.0.1
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TERMUX_PKG_REVISION=1
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TERMUX_PKG_SRCURL=https://github.com/emscripten-core/emscripten.git
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TERMUX_PKG_GIT_BRANCH=$TERMUX_PKG_VERSION
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TERMUX_PKG_PLATFORM_INDEPENDENT=true
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TERMUX_PKG_RECOMMENDS="emscripten-llvm, emscripten-binaryen, python, nodejs-lts | nodejs"
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TERMUX_PKG_BUILD_IN_SRC=true
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TERMUX_PKG_HOSTBUILD=true
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TERMUX_PKG_NO_STATICSPLIT=true
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# remove files according to emsdk/upstream directory after running
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# ./emsdk install latest
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TERMUX_PKG_RM_AFTER_INSTALL="
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opt/emscripten-llvm/bin/clang-check
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opt/emscripten-llvm/bin/clang-cl
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opt/emscripten-llvm/bin/clang-cpp
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opt/emscripten-llvm/bin/clang-extdef-mapping
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opt/emscripten-llvm/bin/clang-format
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opt/emscripten-llvm/bin/clang-func-mapping
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opt/emscripten-llvm/bin/clang-import-test
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opt/emscripten-llvm/bin/clang-nvlink-wrapper
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opt/emscripten-llvm/bin/clang-offload-bundler
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opt/emscripten-llvm/bin/clang-offload-wrapper
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opt/emscripten-llvm/bin/clang-refactor
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opt/emscripten-llvm/bin/clang-repl
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opt/emscripten-llvm/bin/clang-rename
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opt/emscripten-llvm/bin/clang-scan-deps
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opt/emscripten-llvm/bin/diagtool
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opt/emscripten-llvm/bin/git-clang-format
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opt/emscripten-llvm/bin/hmaptool
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opt/emscripten-llvm/bin/llvm-cov
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opt/emscripten-llvm/bin/llvm-ml
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opt/emscripten-llvm/bin/llvm-profdata
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opt/emscripten-llvm/bin/llvm-rc
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opt/emscripten-llvm/bin/llvm-strip
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opt/emscripten-llvm/bin/ld.lld
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opt/emscripten-llvm/bin/ld64.lld
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opt/emscripten-llvm/bin/ld64.lld.darwin*
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opt/emscripten-llvm/bin/lld-link
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opt/emscripten-llvm/bin/llvm-lib
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opt/emscripten-llvm/lib/libclang.so*
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opt/emscripten-llvm/share
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opt/emscripten/LICENSE
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"
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# https://github.com/emscripten-core/emscripten/blob/main/docs/packaging.md
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# https://github.com/archlinux/svntogit-community/tree/packages/emscripten/trunk
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# below generates commit hash for the deps according to emscripten releases
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#RELEASES_TAGS=$(curl -s https://raw.githubusercontent.com/emscripten-core/emsdk/main/emscripten-releases-tags.json)
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#RELEASE_TAG=$(echo $RELEASES_TAGS | python3 -c "import json,sys;print(json.load(sys.stdin)[\"releases\"][\"$TERMUX_PKG_VERSION\"])")
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#DEPS_REVISION=$(curl -s https://chromium.googlesource.com/emscripten-releases/+/$RELEASE_TAG/DEPS?format=text | base64 -d | grep "_revision':" | sed -e "s|'|\"|g")
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#DEPS_JSON=$(echo -e "{\n${DEPS_REVISION}EOL" | sed -e "s|,EOL|\n}|")
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#LLVM_COMMIT=$(echo $DEPS_JSON | python3 -c "import json,sys;print(json.load(sys.stdin)[\"llvm_project_revision\"])")
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#BINARYEN_COMMIT=$(echo $DEPS_JSON | python3 -c "import json,sys;print(json.load(sys.stdin)[\"binaryen_revision\"])")
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#curl -LOC - https://github.com/llvm/llvm-project/archive/$LLVM_COMMIT.tar.gz
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#curl -LOC - https://github.com/WebAssembly/binaryen/archive/$BINARYEN_COMMIT.tar.gz
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#sha256sum $LLVM_COMMIT.tar.gz $BINARYEN_COMMIT.tar.gz
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# https://github.com/emscripten-core/emscripten/issues/11362
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# can switch to stable LLVM to save space once above is fixed
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LLVM_COMMIT=12873d1a670b4a82b5853dabc8b6ea4d300759af
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LLVM_TGZ_SHA256=74c287a9ee1f60c9a65ff1c24de0695b964758a31f2c60b5769998578ccb363c
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# https://github.com/emscripten-core/emscripten/issues/12252
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# upstream says better bundle the right binaryen revision for now
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BINARYEN_COMMIT=80101484099e9451072eb8c10df69499031b3475
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BINARYEN_TGZ_SHA256=97f91bdcffb30caebf65b0d11d7f3cd48b7c840c6225d3c1b365376efb33c43b
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# https://github.com/emscripten-core/emsdk/blob/main/emsdk.py
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# https://chromium.googlesource.com/emscripten-releases/+/refs/heads/main/src/build.py
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# https://github.com/llvm/llvm-project
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LLVM_BUILD_ARGS="
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-DCMAKE_BUILD_TYPE=MinSizeRel
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-DCMAKE_CROSSCOMPILING=ON
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-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/opt/emscripten-llvm
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-DDEFAULT_SYSROOT=$(dirname $TERMUX_PREFIX)
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-DGENERATOR_IS_MULTI_CONFIG=ON
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-DLLVM_ENABLE_ASSERTIONS=ON
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-DLLVM_ENABLE_BINDINGS=OFF
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-DLLVM_ENABLE_LIBEDIT=OFF
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-DLLVM_ENABLE_LIBPFM=OFF
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-DLLVM_ENABLE_LIBXML2=OFF
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-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;libunwind;lld
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-DLLVM_ENABLE_TERMINFO=OFF
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-DLLVM_INCLUDE_EXAMPLES=OFF
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-DLLVM_INCLUDE_TESTS=OFF
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-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON
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-DLLVM_LINK_LLVM_DYLIB=ON
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-DLLVM_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/llvm-tblgen
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-DCLANG_DEFAULT_LINKER=lld
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-DCLANG_ENABLE_ARCMT=OFF
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-DCLANG_ENABLE_STATIC_ANALYZER=OFF
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-DCLANG_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/clang-tblgen
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-DCOMPILER_RT_BUILD_CRT=OFF
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-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
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-DCOMPILER_RT_BUILD_MEMPROF=OFF
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-DCOMPILER_RT_BUILD_PROFILE=OFF
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-DCOMPILER_RT_BUILD_SANITIZERS=OFF
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-DCOMPILER_RT_BUILD_XRAY=OFF
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-DCOMPILER_RT_INCLUDE_TESTS=OFF
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-DLIBUNWIND_USE_COMPILER_RT=ON
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"
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# https://github.com/WebAssembly/binaryen/blob/main/CMakeLists.txt
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BINARYEN_BUILD_ARGS="
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-DCMAKE_BUILD_TYPE=MinSizeRel
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-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/opt/emscripten-binaryen
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"
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termux_step_post_get_source() {
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termux_download \
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"https://github.com/llvm/llvm-project/archive/$LLVM_COMMIT.tar.gz" \
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"$TERMUX_PKG_CACHEDIR/llvm.tar.gz" \
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"$LLVM_TGZ_SHA256"
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termux_download \
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"https://github.com/WebAssembly/binaryen/archive/$BINARYEN_COMMIT.tar.gz" \
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"$TERMUX_PKG_CACHEDIR/binaryen.tar.gz" \
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"$BINARYEN_TGZ_SHA256"
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tar -xf "$TERMUX_PKG_CACHEDIR/llvm.tar.gz" -C "$TERMUX_PKG_CACHEDIR"
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tar -xf "$TERMUX_PKG_CACHEDIR/binaryen.tar.gz" -C "$TERMUX_PKG_CACHEDIR"
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cd "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT"
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for patch in $TERMUX_PKG_BUILDER_DIR/llvm-project-*.patch.diff; do
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patch -p1 -i "$patch"
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done
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}
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termux_step_host_build() {
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termux_setup_cmake
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termux_setup_ninja
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cmake \
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-G Ninja \
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-S "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm" \
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-DLLVM_ENABLE_PROJECTS=clang
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cmake \
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--build "$TERMUX_PKG_HOSTBUILD_DIR" \
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-j "$TERMUX_MAKE_PROCESSES" \
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--target llvm-tblgen clang-tblgen
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}
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termux_step_make() {
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termux_setup_cmake
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termux_setup_ninja
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# from packages/libllvm/build.sh
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export LLVM_DEFAULT_TARGET_TRIPLE=${CCTERMUX_HOST_PLATFORM/-/-unknown-}
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export LLVM_TARGET_ARCH
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if [ $TERMUX_ARCH = "arm" ]; then
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LLVM_TARGET_ARCH=ARM
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elif [ $TERMUX_ARCH = "aarch64" ]; then
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LLVM_TARGET_ARCH=AArch64
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elif [ $TERMUX_ARCH = "i686" ] || [ $TERMUX_ARCH = "x86_64" ]; then
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LLVM_TARGET_ARCH=X86
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else
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termux_error_exit "Invalid arch: $TERMUX_ARCH"
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fi
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LLVM_BUILD_ARGS+=" -DLLVM_TARGET_ARCH=$LLVM_TARGET_ARCH"
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LLVM_BUILD_ARGS+=" -DLLVM_TARGETS_TO_BUILD=WebAssembly;$LLVM_TARGET_ARCH"
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LLVM_BUILD_ARGS+=" -DLLVM_HOST_TRIPLE=$LLVM_DEFAULT_TARGET_TRIPLE"
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cmake \
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-G Ninja \
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-S "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm" \
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-B "$TERMUX_PKG_CACHEDIR/build-llvm" \
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$LLVM_BUILD_ARGS
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cmake \
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--build "$TERMUX_PKG_CACHEDIR/build-llvm" \
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-j "$TERMUX_MAKE_PROCESSES" \
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--target install
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cmake \
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-G Ninja \
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-S "$TERMUX_PKG_CACHEDIR/binaryen-$BINARYEN_COMMIT" \
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-B "$TERMUX_PKG_CACHEDIR/build-binaryen" \
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$BINARYEN_BUILD_ARGS
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cmake \
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--build "$TERMUX_PKG_CACHEDIR/build-binaryen" \
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-j "$TERMUX_MAKE_PROCESSES" \
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--target install
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}
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termux_step_make_install() {
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# skip using Makefile which does host npm install
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rm -fr "$TERMUX_PREFIX/opt/emscripten"
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./tools/install.py "$TERMUX_PREFIX/opt/emscripten"
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# subpackage optional third party test suite files
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cp -fr "$TERMUX_PKG_SRCDIR/tests/third_party" "$TERMUX_PREFIX/opt/emscripten/tests/third_party"
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# first run generates .emscripten and exits immediately
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rm -f "$TERMUX_PKG_SRCDIR/.emscripten"
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./emcc
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sed -i .emscripten -e "s|^EMSCRIPTEN_ROOT.*|EMSCRIPTEN_ROOT = '$TERMUX_PREFIX/opt/emscripten' # directory|"
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sed -i .emscripten -e "s|^LLVM_ROOT.*|LLVM_ROOT = '$TERMUX_PREFIX/opt/emscripten-llvm/bin' # directory|"
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sed -i .emscripten -e "s|^BINARYEN_ROOT.*|BINARYEN_ROOT = '$TERMUX_PREFIX/opt/emscripten-binaryen' # directory|"
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sed -i .emscripten -e "s|^NODE_JS.*|NODE_JS = '$TERMUX_PREFIX/bin/node' # executable|"
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grep "$TERMUX_PREFIX" "$TERMUX_PKG_SRCDIR/.emscripten"
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install -Dm644 "$TERMUX_PKG_SRCDIR/.emscripten" "$TERMUX_PREFIX/opt/emscripten/.emscripten"
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# add emscripten directory to PATH var
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cat <<- EOF > "$TERMUX_PKG_TMPDIR/emscripten.sh"
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#!$TERMUX_PREFIX/bin/sh
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export PATH=\$PATH:$TERMUX_PREFIX/opt/emscripten
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EOF
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install -Dm644 "$TERMUX_PKG_TMPDIR/emscripten.sh" "$TERMUX_PREFIX/etc/profile.d/emscripten.sh"
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# add useful tools not installed by LLVM_INSTALL_TOOLCHAIN_ONLY=ON
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for tool in llc llvm-{addr2line,dwarfdump,dwp,link,nm,objdump,readobj,size} opt; do
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install -Dm755 "$TERMUX_PKG_CACHEDIR/build-llvm/bin/$tool" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/$tool"
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done
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# wasm32 triplets
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ln -fsT "clang" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/wasm32-clang"
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ln -fsT "clang++" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/wasm32-clang++"
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ln -fsT "clang" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/wasm32-wasi-clang"
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ln -fsT "clang++" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/wasm32-wasi-clang++"
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# unable to determine the reason why different linker searches for
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# libclang_rt.builtins-*-android.a in different paths even after adding
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# the patches from libllvm (also which one is more correct?)
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#
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# binutils LD searches lib/clang/14.0.0/lib/linux (exist)
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# LLVM LD.LLD searches lib/clang/14.0.0/lib/android (not exist)
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ln -fsT "linux" "$TERMUX_PREFIX/opt/emscripten-llvm/lib/clang/14.0.0/lib/android"
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}
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termux_step_create_debscripts() {
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cat <<- EOF > postinst
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#!$TERMUX_PREFIX/bin/sh
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if [ -n "\$(command -v npm)" ]; then
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echo 'Running "npm ci --no-optional --production" in $TERMUX_PREFIX/opt/emscripten ...'
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cd "$TERMUX_PREFIX/opt/emscripten"
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npm ci --no-optional --production
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else
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echo 'Warning: npm is not installed! Emscripten may not work properly without installing node modules!' >&2
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fi
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echo '
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====================
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Post-install notice:
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If this is the first time installing Emscripten,
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please start a new session to take effect.
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If you are upgrading, you may want to clear the
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cache by running the command below to fix issues.
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emcc --clear-cache
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===================='
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EOF
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cat <<- EOF > postrm
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#!$TERMUX_PREFIX/bin/sh
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case "\$1" in
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purge|remove)
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rm -fr "$TERMUX_PREFIX/opt/emscripten"
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esac
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EOF
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}
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# Emscripten Test Suite (Optional)
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# Some preparations need to be made in Emscripten directory before running
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# test suite on Android / Termux. Refer docs below:
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# https://emscripten.org/docs/getting_started/test-suite.html
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# https://github.com/emscripten-core/emscripten/pull/13493
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# https://github.com/emscripten-core/emscripten/issues/9098
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#
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# Steps:
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# - pkg install emscripten-tests-third-party openjdk-17
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# - cd $PREFIX/opt/emscripten
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# - npm ci --no-optional
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# - export EMCC_CORES=1
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# - export EMTEST_SKIP_V8=1
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# - tests/runner {test_name}
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