From 643bf0e26f7e5e05e347ea0ffee9ebd4fd808faf Mon Sep 17 00:00:00 2001
From: termux-pacman-bot <termux-pacman-bot@outlook.com>
Date: Sat, 28 Oct 2023 10:31:09 +0000
Subject: [PATCH] addpkg(main): wasi-libc

---
 packages/wasi-libc/build.sh | 88 +++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 packages/wasi-libc/build.sh

diff --git a/packages/wasi-libc/build.sh b/packages/wasi-libc/build.sh
new file mode 100644
index 0000000000..73b9cb1ef2
--- /dev/null
+++ b/packages/wasi-libc/build.sh
@@ -0,0 +1,88 @@
+TERMUX_PKG_HOMEPAGE=https://wasi.dev/
+TERMUX_PKG_DESCRIPTION="Libc for WebAssembly programs built on top of WASI system calls"
+TERMUX_PKG_LICENSE="Apache-2.0, BSD 2-Clause, MIT"
+TERMUX_PKG_LICENSE_FILE="LICENSE, src/wasi-libc/LICENSE-MIT, src/wasi-libc/libc-bottom-half/cloudlibc/LICENSE"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=20
+TERMUX_PKG_SRCURL=https://github.com/WebAssembly/wasi-sdk/archive/refs/tags/wasi-sdk-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=28f317520d9b522134f7a014b84833d91ab1329fbd697bad05aa4fcfa2746c83
+TERMUX_PKG_PLATFORM_INDEPENDENT=true
+TERMUX_PKG_NO_STATICSPLIT=true
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_post_get_source() {
+	local WASI_LIBC_SRCURL="https://github.com/WebAssembly/wasi-libc/archive/refs/tags/wasi-sdk-${TERMUX_PKG_VERSION}.tar.gz"
+	local WASI_LIBC_SHA256=0a1c09c8c1da62a1ba214254ff4c9db6b60979c00f648a5eae33831d6ee2840e
+	local LLVM_VERSION=$(. "${TERMUX_SCRIPTDIR}/packages/libllvm/build.sh"; echo ${TERMUX_PKG_VERSION})
+	local LLVM_SRCURL="https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/llvm-project-${LLVM_VERSION}.src.tar.xz"
+	local LLVM_SHA256=be5a1e44d64f306bb44fce7d36e3b3993694e8e6122b2348608906283c176db8
+
+	termux_download \
+		"${WASI_LIBC_SRCURL}" \
+		"${TERMUX_PKG_CACHEDIR}/wasi-libc-${TERMUX_PKG_VERSION}.tar.gz" \
+		"${WASI_LIBC_SHA256}"
+	termux_download \
+		"${LLVM_SRCURL}" \
+		"${TERMUX_PKG_CACHEDIR}/$(basename "${LLVM_SRCURL}")" \
+		"${LLVM_SHA256}"
+
+	tar -xf "${TERMUX_PKG_CACHEDIR}/wasi-libc-${TERMUX_PKG_VERSION}.tar.gz" -C src
+	tar -xf "${TERMUX_PKG_CACHEDIR}/llvm-project-${LLVM_VERSION}.src.tar.xz" -C src
+	rm -frv src/{config,llvm-project,wasi-libc}
+	mv -v "src/wasi-libc-wasi-sdk-${TERMUX_PKG_VERSION}" src/wasi-libc
+	mv -v "src/llvm-project-${LLVM_VERSION}.src" src/llvm-project
+}
+
+termux_step_pre_configure() {
+	termux_setup_cmake
+	termux_setup_ninja
+
+	if [[ "${TERMUX_ON_DEVICE_BUILD}" == "false" ]]; then
+		# https://github.com/android/ndk/issues/1960
+		# use NDK r26 new wasm target support to build
+		# but need to fix non standard stdatomic.h without pollution
+		rm -fr "${TERMUX_PKG_TMPDIR}/toolchain"
+		mkdir -p "${TERMUX_PKG_TMPDIR}/toolchain"
+		cp -fr "${TERMUX_STANDALONE_TOOLCHAIN}"/{bin,include,lib} \
+			"${TERMUX_PKG_TMPDIR}/toolchain"
+		sed \
+			-e "s|#include <sys/cdefs.h>|//#include <sys/cdefs.h>|" \
+			-i "${TERMUX_PKG_TMPDIR}"/toolchain/lib/clang/*/include/stdatomic.h \
+			-i "${TERMUX_PKG_TMPDIR}"/toolchain/lib/clang/*/include/bits/stdatomic.h
+		export CC="${TERMUX_PKG_TMPDIR}/toolchain/bin/clang"
+		export CXX="${TERMUX_PKG_TMPDIR}/toolchain/bin/clang++"
+		export PATH="${TERMUX_PKG_TMPDIR}/toolchain/bin:${PATH}"
+	fi
+	export AR=$(command -v llvm-ar)
+	export NM=$(command -v llvm-nm)
+	export INSTALL_DIR="${TERMUX_PREFIX}/share/wasi-sysroot"
+	export NINJA_FLAGS="-j ${TERMUX_MAKE_PROCESSES}"
+
+	sed \
+		-e "s|CC=\$(BUILD_PREFIX).*|CC=${CC} \\\\|g" \
+		-e "s|AR=\$(BUILD_PREFIX).*|AR=${AR} \\\\|g" \
+		-e "s|NM=\$(BUILD_PREFIX).*|NM=${NM} \\\\|g" \
+		-e "s|cp -R \$(ROOT_DIR)/build/llvm/|#cp -R \$(ROOT_DIR)/build/llvm/|g" \
+		-i Makefile
+	sed \
+		-e "/^set(CMAKE_C_COMPILER .*/d" \
+		-e "/^set(CMAKE_CXX_COMPILER .*/d" \
+		-e "/^set(CMAKE_ASM_COMPILER .*/d" \
+		-e "/^set(CMAKE_AR .*/d" \
+		-e "/^set(CMAKE_NM .*/d" \
+		-e "/^set(CMAKE_RANLIB .*/d" \
+		-i wasi-sdk.cmake wasi-sdk-pthread.cmake
+
+	mkdir -p build
+	touch build/llvm.BUILT # use our own LLVM
+	touch build/config.BUILT # use our own autoconf config.guess
+}
+
+termux_step_make_install() {
+	cp -fr "build/install/${TERMUX_PREFIX}" "$(dirname "${TERMUX_PREFIX}")"
+	install -v -Dm644 -t "${TERMUX_PREFIX}/share/cmake" \
+		wasi-sdk.cmake \
+		wasi-sdk-pthread.cmake
+	install -v -Dm644 -t "${TERMUX_PREFIX}/share/cmake/Platform" \
+		cmake/Platform/WASI.cmake
+}