diff --git a/packages/emscripten/build.sh b/packages/emscripten/build.sh
new file mode 100644
index 000000000..b270e5acd
--- /dev/null
+++ b/packages/emscripten/build.sh
@@ -0,0 +1,190 @@
+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=2.0.16
+TERMUX_PKG_SRCURL=https://github.com/emscripten-core/emscripten.git
+TERMUX_PKG_GIT_BRANCH=$TERMUX_PKG_VERSION
+TERMUX_PKG_DEPENDS="python, nodejs"
+TERMUX_PKG_PLATFORM_INDEPENDENT=true
+TERMUX_PKG_RECOMMENDS="emscripten-llvm, emscripten-binaryen"
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_HOSTBUILD=true
+TERMUX_PKG_NO_STATICSPLIT=true
+
+# https://github.com/emscripten-core/emscripten/blob/main/docs/packaging.md
+# https://github.com/archlinux/svntogit-community/tree/packages/emscripten/trunk
+# below generates commit hash for the deps according to emscripten releases
+#RELEASES_TAGS=$(curl -s https://raw.githubusercontent.com/emscripten-core/emsdk/master/emscripten-releases-tags.txt)
+#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 $DEPS_JSON | python3 -c "import json,sys;print(json.load(sys.stdin)[\"binaryen_revision\"])")
+
+# https://github.com/emscripten-core/emscripten/issues/11362
+# can switch to stable LLVM to save space once above is fixed
+LLVM_COMMIT=ad8010e598d9aa3747c34ce28aa2ba6de1650bd4
+LLVM_ZIP_SHA256=9147cce0225d88b5f2af012952fcaa02e61dbbe8e84b5fb1f66507ecf62694c8
+
+# https://github.com/emscripten-core/emscripten/issues/12252
+# upstream says better bundle the right binaryen revision for now
+BINARYEN_COMMIT=b2c63a9665a9758c50eac60af605f0399f66580f
+BINARYEN_ZIP_SHA256=a78d0ddb1e4a1c80440e6a7e5240134757ab85e16c27474ba7265c13b5500ddd
+
+# https://github.com/emscripten-core/emsdk/blob/master/emsdk.py
+# https://github.com/WebAssembly/waterfall/blob/master/src/build.py
+# https://github.com/llvm/llvm-project/blob/main/llvm/CMakeLists.txt
+# https://github.com/llvm/llvm-project/blob/main/clang/CMakeLists.txt
+LLVM_BUILD_ARGS="
+-DCMAKE_BUILD_TYPE=Release
+-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/lib/emscripten-llvm
+-DLLVM_INCLUDE_EXAMPLES=OFF
+-DLLVM_INCLUDE_TESTS=OFF
+-DLLVM_ENABLE_ASSERTIONS=OFF
+-DLLVM_ENABLE_PROJECTS='clang;lld'
+-DLLVM_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/llvm-tblgen
+-DCLANG_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/clang-tblgen
+-DGENERATOR_IS_MULTI_CONFIG=ON
+-DDEFAULT_SYSROOT=$(dirname $TERMUX_PREFIX)
+-DCMAKE_SKIP_RPATH=ON
+-DLLVM_ENABLE_LIBXML2=OFF
+-DLLVM_ENABLE_BINDINGS=OFF
+-DCLANG_ENABLE_ARCMT=OFF
+-DCLANG_ENABLE_STATIC_ANALYZER=OFF
+-DLLVM_INSTALL_TOOLCHAIN_ONLY=ON
+"
+
+# https://github.com/WebAssembly/binaryen/blob/main/CMakeLists.txt
+BINARYEN_BUILD_ARGS="
+-DCMAKE_BUILD_TYPE=Release
+-DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX/lib/emscripten-binaryen
+"
+
+termux_step_post_get_source() {
+	termux_download \
+		"https://github.com/llvm/llvm-project/archive/$LLVM_COMMIT.zip" \
+		"$TERMUX_PKG_CACHEDIR/llvm.zip" \
+		"$LLVM_ZIP_SHA256"
+	termux_download \
+		"https://github.com/WebAssembly/binaryen/archive/$BINARYEN_COMMIT.zip" \
+		"$TERMUX_PKG_CACHEDIR/binaryen.zip" \
+		"$BINARYEN_ZIP_SHA256"
+	unzip -qo "$TERMUX_PKG_CACHEDIR/llvm.zip" -d "$TERMUX_PKG_CACHEDIR"
+	unzip -qo "$TERMUX_PKG_CACHEDIR/binaryen.zip" -d "$TERMUX_PKG_CACHEDIR"
+}
+
+termux_step_host_build() {
+	termux_setup_cmake
+	termux_setup_ninja
+
+	cmake \
+		-G Ninja \
+		-DLLVM_ENABLE_PROJECTS='clang' \
+		"$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm"
+	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 \
+		$LLVM_BUILD_ARGS \
+		-S "$TERMUX_PKG_CACHEDIR/llvm-project-$LLVM_COMMIT/llvm" \
+		-B "$TERMUX_PKG_CACHEDIR/build-llvm"
+	cmake \
+		--build "$TERMUX_PKG_CACHEDIR/build-llvm" \
+		-j "$TERMUX_MAKE_PROCESSES" \
+		--target install
+
+	cmake \
+		-G Ninja \
+		$BINARYEN_BUILD_ARGS \
+		-S "$TERMUX_PKG_CACHEDIR/binaryen-$BINARYEN_COMMIT" \
+		-B "$TERMUX_PKG_CACHEDIR/build-binaryen"
+	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, tar archive and extract steps
+	rm -fr "$TERMUX_PREFIX/lib/emscripten"
+	./tools/install.py "$TERMUX_PREFIX/lib/emscripten"
+
+	# first run generates .emscripten and exits immediately
+	./emcc
+	sed -i .emscripten -e "s|'EMSCRIPTEN'.*|'EMSCRIPTEN', '$TERMUX_PREFIX/lib/emscripten')) # directory|"
+	sed -i .emscripten -e "s|'LLVM'.*|'LLVM', '$TERMUX_PREFIX/lib/emscripten-llvm/bin')) # directory|"
+	sed -i .emscripten -e "s|'BINARYEN'.*|'BINARYEN', '$TERMUX_PREFIX/lib/emscripten-binaryen')) # directory|"
+	sed -i .emscripten -e "s|'NODE'.*|'NODE', '$TERMUX_PREFIX/bin/node')) # executable|"
+	install -Dm644 "$TERMUX_PKG_SRCDIR/.emscripten" "$TERMUX_PREFIX/lib/emscripten/.emscripten"
+
+	# https://github.com/emscripten-core/emscripten/issues/9098
+	cat <<- EOF > "$TERMUX_PKG_TMPDIR/emscripten.sh"
+	#!$TERMUX_PREFIX/bin/sh
+	export PATH=\$PATH:$TERMUX_PREFIX/lib/emscripten
+	export EMCC_CORES=1
+	EOF
+	install -Dm644 "$TERMUX_PKG_TMPDIR/emscripten.sh" "$TERMUX_PREFIX/etc/profile.d/emscripten.sh"
+
+	# remove unneeded files
+	for tool in clang-{check,cl,cpp,extdef-mapping,format,func-mapping,import-test,offload-bundler,refactor,rename,scan-deps} \
+		lld-link ld.lld ld64.lld llvm-lib ld64.lld.darwin{new,old}; do
+		rm -f "$TERMUX_PREFIX/lib/emscripten-llvm/bin/$tool"
+	done
+	rm -f $TERMUX_PREFIX/lib/emscripten-llvm/lib/libclang.so*
+	rm -fr "$TERMUX_PREFIX/lib/emscripten-llvm/share"
+
+	# 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" "$TERMUX_PREFIX/lib/emscripten-llvm/bin/$tool"
+	done
+}
+
+termux_step_create_debscripts() {
+	cat <<- EOF > postinst
+	#!$TERMUX_PREFIX/bin/sh
+	echo 'Running "npm ci --no-optional" in $TERMUX_PREFIX/lib/emscripten ...'
+	cd "$TERMUX_PREFIX/lib/emscripten"
+	npm ci --no-optional
+	echo
+	echo 'Post-install notice:'
+	echo 'If this is the first time installing Emscripten,'
+	echo 'please start a new session to take effect.'
+	echo 'If you are upgrading, you may want to clear the'
+	echo 'cache by running the command below to fix issues.'
+	echo '"emcc --clear-cache"'
+	EOF
+
+	cat <<- EOF > postrm
+	#!$TERMUX_PREFIX/bin/sh
+	case "\$1" in
+	purge|remove)
+		rm -fr "$TERMUX_PREFIX/lib/emscripten"
+	esac
+	EOF
+}
diff --git a/packages/emscripten/emscripten-binaryen.subpackage.sh b/packages/emscripten/emscripten-binaryen.subpackage.sh
new file mode 100644
index 000000000..027c8190a
--- /dev/null
+++ b/packages/emscripten/emscripten-binaryen.subpackage.sh
@@ -0,0 +1,3 @@
+TERMUX_SUBPKG_DESCRIPTION="Emscripten-compatible Binaryen"
+TERMUX_SUBPKG_PLATFORM_INDEPENDENT=false
+TERMUX_SUBPKG_INCLUDE="lib/emscripten-binaryen"
diff --git a/packages/emscripten/emscripten-llvm.subpackage.sh b/packages/emscripten/emscripten-llvm.subpackage.sh
new file mode 100644
index 000000000..b2793fc75
--- /dev/null
+++ b/packages/emscripten/emscripten-llvm.subpackage.sh
@@ -0,0 +1,3 @@
+TERMUX_SUBPKG_DESCRIPTION="Emscripten-compatible LLVM"
+TERMUX_SUBPKG_PLATFORM_INDEPENDENT=false
+TERMUX_SUBPKG_INCLUDE="lib/emscripten-llvm"