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61ac32cd73
termux-packages/packages/emscripten/build.sh
Jia Yuan Lo 61ac32cd73 emscripten: cleanup build.sh
2021-11-28 00:09:48 +01:00

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TERMUX_PKG_HOMEPAGE=https://emscripten.org
TERMUX_PKG_DESCRIPTION="Emscripten: An LLVM-to-WebAssembly Compiler"
TERMUX_PKG_LICENSE="MIT"
TERMUX_PKG_MAINTAINER="@truboxl"
TERMUX_PKG_VERSION=3.0.0
TERMUX_PKG_SRCURL=https://github.com/emscripten-core/emscripten.git
TERMUX_PKG_GIT_BRANCH=$TERMUX_PKG_VERSION
TERMUX_PKG_PLATFORM_INDEPENDENT=true
TERMUX_PKG_RECOMMENDS="emscripten-llvm, emscripten-binaryen, python, nodejs-lts | nodejs"
TERMUX_PKG_BUILD_IN_SRC=true
TERMUX_PKG_HOSTBUILD=true
TERMUX_PKG_NO_STATICSPLIT=true
# remove files according to emsdk/upstream directory after running
# ./emsdk install latest
TERMUX_PKG_RM_AFTER_INSTALL="
opt/emscripten-llvm/bin/clang-check
opt/emscripten-llvm/bin/clang-cl
opt/emscripten-llvm/bin/clang-cpp
opt/emscripten-llvm/bin/clang-extdef-mapping
opt/emscripten-llvm/bin/clang-format
opt/emscripten-llvm/bin/clang-func-mapping
opt/emscripten-llvm/bin/clang-import-test
opt/emscripten-llvm/bin/clang-offload-bundler
opt/emscripten-llvm/bin/clang-refactor
opt/emscripten-llvm/bin/clang-rename
opt/emscripten-llvm/bin/clang-scan-deps
opt/emscripten-llvm/bin/ld.lld
opt/emscripten-llvm/bin/ld64.lld
opt/emscripten-llvm/bin/ld64.lld.darwin*
opt/emscripten-llvm/bin/lld-link
opt/emscripten-llvm/bin/llvm-lib
opt/emscripten-llvm/lib/libclang.so*
opt/emscripten-llvm/share
opt/emscripten/LICENSE
"
# https://github.com/emscripten-core/emscripten/blob/main/docs/packaging.md
# https://github.com/archlinux/svntogit-community/tree/packages/emscripten/trunk
# below generates commit hash for the deps according to emscripten releases
#RELEASES_TAGS=$(curl -s https://raw.githubusercontent.com/emscripten-core/emsdk/main/emscripten-releases-tags.json)
#RELEASE_TAG=$(echo $RELEASES_TAGS | python3 -c "import json,sys;print(json.load(sys.stdin)[\"releases\"][\"$TERMUX_PKG_VERSION\"])")
#DEPS_REVISION=$(curl -s https://chromium.googlesource.com/emscripten-releases/+/$RELEASE_TAG/DEPS?format=text | base64 -d | grep "_revision':" | sed -e "s|'|\"|g")
#DEPS_JSON=$(echo -e "{\n${DEPS_REVISION}EOL" | sed -e "s|,EOL|\n}|")
#LLVM_COMMIT=$(echo $DEPS_JSON | python3 -c "import json,sys;print(json.load(sys.stdin)[\"llvm_project_revision\"])")
#BINARYEN_COMMIT=$(echo $DEPS_JSON | python3 -c "import json,sys;print(json.load(sys.stdin)[\"binaryen_revision\"])")
#curl -LOC - https://github.com/llvm/llvm-project/archive/$LLVM_COMMIT.tar.gz
#curl -LOC - https://github.com/WebAssembly/binaryen/archive/$BINARYEN_COMMIT.tar.gz
#sha256sum $LLVM_COMMIT.tar.gz $BINARYEN_COMMIT.tar.gz
# https://github.com/emscripten-core/emscripten/issues/11362
# can switch to stable LLVM to save space once above is fixed
LLVM_COMMIT=4348cd42c385e71b63e5da7e492172cff6a79d7b
LLVM_TGZ_SHA256=52e110f9d1a196b596c235393739bb6967ecdb1bda5ffc90d0fa700d599b2c59
# https://github.com/emscripten-core/emscripten/issues/12252
# upstream says better bundle the right binaryen revision for now
BINARYEN_COMMIT=76327e47119c2b4c24a3382d31000cdcc67c7a13
BINARYEN_TGZ_SHA256=1b136f7084e9cf2fa30349fed44476e341b56120e817d82b969f75aa21abef3d
# https://github.com/emscripten-core/emsdk/blob/main/emsdk.py
# https://chromium.googlesource.com/emscripten-releases/+/refs/heads/main/src/build.py
# https://github.com/llvm/llvm-project
LLVM_BUILD_ARGS="
-DCMAKE_BUILD_TYPE=MinSizeRel
-DCMAKE_CROSSCOMPILING=ON
-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/opt/emscripten-llvm
-DDEFAULT_SYSROOT=$(dirname $TERMUX_PREFIX)
-DGENERATOR_IS_MULTI_CONFIG=ON
-DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_ENABLE_BINDINGS=OFF
-DLLVM_ENABLE_LIBEDIT=OFF
-DLLVM_ENABLE_LIBPFM=OFF
-DLLVM_ENABLE_LIBXML2=OFF
-DLLVM_ENABLE_PROJECTS=clang;compiler-rt;libunwind;lld
-DLLVM_ENABLE_TERMINFO=OFF
-DLLVM_INCLUDE_EXAMPLES=OFF
-DLLVM_INCLUDE_TESTS=OFF
-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON
-DLLVM_LINK_LLVM_DYLIB=ON
-DLLVM_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/llvm-tblgen
-DCLANG_DEFAULT_LINKER=lld
-DCLANG_ENABLE_ARCMT=OFF
-DCLANG_ENABLE_STATIC_ANALYZER=OFF
-DCLANG_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/clang-tblgen
-DCOMPILER_RT_BUILD_CRT=OFF
-DCOMPILER_RT_BUILD_LIBFUZZER=OFF
-DCOMPILER_RT_BUILD_MEMPROF=OFF
-DCOMPILER_RT_BUILD_PROFILE=OFF
-DCOMPILER_RT_BUILD_SANITIZERS=OFF
-DCOMPILER_RT_BUILD_XRAY=OFF
-DCOMPILER_RT_INCLUDE_TESTS=OFF
-DLIBUNWIND_USE_COMPILER_RT=ON
"
# https://github.com/WebAssembly/binaryen/blob/main/CMakeLists.txt
BINARYEN_BUILD_ARGS="
-DCMAKE_BUILD_TYPE=MinSizeRel
-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/opt/emscripten-binaryen
"
termux_step_post_get_source() {
termux_download \
"https://github.com/llvm/llvm-project/archive/$LLVM_COMMIT.tar.gz" \
"$TERMUX_PKG_CACHEDIR/llvm.tar.gz" \
"$LLVM_TGZ_SHA256"
termux_download \
"https://github.com/WebAssembly/binaryen/archive/$BINARYEN_COMMIT.tar.gz" \
"$TERMUX_PKG_CACHEDIR/binaryen.tar.gz" \
"$BINARYEN_TGZ_SHA256"
tar -xf "$TERMUX_PKG_CACHEDIR/llvm.tar.gz" -C "$TERMUX_PKG_CACHEDIR"
tar -xf "$TERMUX_PKG_CACHEDIR/binaryen.tar.gz" -C "$TERMUX_PKG_CACHEDIR"
cd "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT"
for patch in $TERMUX_PKG_BUILDER_DIR/llvm-project-*.patch.diff; do
patch -p1 -i "$patch"
done
}
termux_step_host_build() {
termux_setup_cmake
termux_setup_ninja
cmake \
-G Ninja \
-S "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm" \
-DLLVM_ENABLE_PROJECTS=clang
cmake \
--build "$TERMUX_PKG_HOSTBUILD_DIR" \
-j "$TERMUX_MAKE_PROCESSES" \
--target llvm-tblgen clang-tblgen
}
termux_step_make() {
termux_setup_cmake
termux_setup_ninja
# from packages/libllvm/build.sh
export LLVM_DEFAULT_TARGET_TRIPLE=${CCTERMUX_HOST_PLATFORM/-/-unknown-}
export LLVM_TARGET_ARCH
if [ $TERMUX_ARCH = "arm" ]; then
LLVM_TARGET_ARCH=ARM
elif [ $TERMUX_ARCH = "aarch64" ]; then
LLVM_TARGET_ARCH=AArch64
elif [ $TERMUX_ARCH = "i686" ] || [ $TERMUX_ARCH = "x86_64" ]; then
LLVM_TARGET_ARCH=X86
else
termux_error_exit "Invalid arch: $TERMUX_ARCH"
fi
LLVM_BUILD_ARGS+=" -DLLVM_TARGET_ARCH=$LLVM_TARGET_ARCH"
LLVM_BUILD_ARGS+=" -DLLVM_TARGETS_TO_BUILD=WebAssembly;$LLVM_TARGET_ARCH"
LLVM_BUILD_ARGS+=" -DLLVM_HOST_TRIPLE=$LLVM_DEFAULT_TARGET_TRIPLE"
cmake \
-G Ninja \
-S "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm" \
-B "$TERMUX_PKG_CACHEDIR/build-llvm" \
$LLVM_BUILD_ARGS
cmake \
--build "$TERMUX_PKG_CACHEDIR/build-llvm" \
-j "$TERMUX_MAKE_PROCESSES" \
--target install
cmake \
-G Ninja \
-S "$TERMUX_PKG_CACHEDIR/binaryen-$BINARYEN_COMMIT" \
-B "$TERMUX_PKG_CACHEDIR/build-binaryen" \
$BINARYEN_BUILD_ARGS
cmake \
--build "$TERMUX_PKG_CACHEDIR/build-binaryen" \
-j "$TERMUX_MAKE_PROCESSES" \
--target install
}
termux_step_make_install() {
# skip using Makefile which does host npm install
rm -fr "$TERMUX_PREFIX/opt/emscripten"
./tools/install.py "$TERMUX_PREFIX/opt/emscripten"
# subpackage optional third party test suite files
cp -fr "$TERMUX_PKG_SRCDIR/tests/third_party" "$TERMUX_PREFIX/opt/emscripten/tests/third_party"
# first run generates .emscripten and exits immediately
rm -f "$TERMUX_PKG_SRCDIR/.emscripten"
./emcc
sed -i .emscripten -e "s|^EMSCRIPTEN_ROOT.*|EMSCRIPTEN_ROOT = '$TERMUX_PREFIX/opt/emscripten' # directory|"
sed -i .emscripten -e "s|^LLVM_ROOT.*|LLVM_ROOT = '$TERMUX_PREFIX/opt/emscripten-llvm/bin' # directory|"
sed -i .emscripten -e "s|^BINARYEN_ROOT.*|BINARYEN_ROOT = '$TERMUX_PREFIX/opt/emscripten-binaryen' # directory|"
sed -i .emscripten -e "s|^NODE_JS.*|NODE_JS = '$TERMUX_PREFIX/bin/node' # executable|"
grep "$TERMUX_PREFIX" "$TERMUX_PKG_SRCDIR/.emscripten"
install -Dm644 "$TERMUX_PKG_SRCDIR/.emscripten" "$TERMUX_PREFIX/opt/emscripten/.emscripten"
# add emscripten directory to PATH var
cat <<- EOF > "$TERMUX_PKG_TMPDIR/emscripten.sh"
#!$TERMUX_PREFIX/bin/sh
export PATH=\$PATH:$TERMUX_PREFIX/opt/emscripten
EOF
install -Dm644 "$TERMUX_PKG_TMPDIR/emscripten.sh" "$TERMUX_PREFIX/etc/profile.d/emscripten.sh"
# add useful tools not installed by LLVM_INSTALL_TOOLCHAIN_ONLY=ON
for tool in FileCheck llc llvm-{as,dis,link,mc,nm,objdump,readobj,size,dwarfdump,dwp} opt; do
install -Dm755 "$TERMUX_PKG_CACHEDIR/build-llvm/bin/$tool" "$TERMUX_PREFIX/opt/emscripten-llvm/bin/$tool"
done
# unable to determine the reason why different linker searches for
# libclang_rt.builtins-*-android.a in different paths even after adding
# the patches from libllvm (also which one is more correct?)
#
# binutils LD searches lib/clang/14.0.0/lib/linux (exist)
# LLVM LD.LLD searches lib/clang/14.0.0/lib/android (not exist)
ln -fsT "linux" "$TERMUX_PREFIX/opt/emscripten-llvm/lib/clang/14.0.0/lib/android"
}
termux_step_create_debscripts() {
cat <<- EOF > postinst
#!$TERMUX_PREFIX/bin/sh
if [ -n "\$(command -v npm)" ]; then
echo 'Running "npm ci --no-optional --production" in $TERMUX_PREFIX/opt/emscripten ...'
cd "$TERMUX_PREFIX/opt/emscripten"
npm ci --no-optional --production
else
echo 'Warning: npm is not installed! Emscripten may not work properly without installing node modules!' >&2
fi
echo '
====================
Post-install notice:
If this is the first time installing Emscripten,
please start a new session to take effect.
If you are upgrading, you may want to clear the
cache by running the command below to fix issues.
emcc --clear-cache
===================='
EOF
cat <<- EOF > postrm
#!$TERMUX_PREFIX/bin/sh
case "\$1" in
purge|remove)
rm -fr "$TERMUX_PREFIX/opt/emscripten"
esac
EOF
}
# Emscripten Test Suite (Optional)
# Some preparations need to be made in Emscripten directory before running
# test suite on Android / Termux. Refer docs below:
# https://emscripten.org/docs/getting_started/test-suite.html
# https://github.com/emscripten-core/emscripten/pull/13493
# https://github.com/emscripten-core/emscripten/issues/9098
#
# Steps:
# - pkg install emscripten-tests-third-party openjdk-17
# - cd $PREFIX/opt/emscripten
# - npm ci --no-optional
# - export EMCC_CORES=1
# - export EMTEST_SKIP_V8=1
# - tests/runner {test_name}
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