binutils: add 2.38 build script

Signed-off-by: PeroSar <perosar1111@gmail.com>

common.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+TARGET=aarch64-linux-android
+export PREFIX=/tmp/"$TARGET"-emerald
+
+export CFLAGS="-O3"
+export CPPFLAGS="$CFLAGS"
+export CXXFLAGS="$CFLAGS"
+export LDFLAGS="-s -w"
+
+export CFLAGS_FOR_TARGET="$CFLAGS"
+export CPPFLAGS_FOR_TARGET="$CFLAGS"
+export CXXFLAGS_FOR_TARGET="$CFLAGS"
+export LDFLAGS_FOR_TARGET="$LDFLAGS"
+
+download() {
+	if [ $# != 3 ]; then
+		echo "download(): Invalid arguments - expected \$URL \$DESTINATION \$CHECKSUM"
+		return 1
+	fi
+	local URL="$1"
+	local DESTINATION="$2"
+	local CHECKSUM="$3"
+
+	if [ -f "$DESTINATION" ] && [ "$CHECKSUM" != "SKIP_CHECKSUM" ]; then
+		# Keep existing file if checksum matches.
+		local EXISTING_CHECKSUM
+		EXISTING_CHECKSUM=$(sha256sum "$DESTINATION" | cut -f 1 -d ' ')
+		if [ "$EXISTING_CHECKSUM" = "$CHECKSUM" ]; then return; fi
+	fi
+
+	local TMPFILE
+	TMPFILE=$(mktemp "${TMPDIR:-/tmp}/download.emerald-dl.XXXXXXXXX")
+	echo "Downloading ${URL}"
+	if curl --fail --retry 20 --retry-connrefused --retry-delay 30 --location --output "$TMPFILE" "$URL"; then
+		local ACTUAL_CHECKSUM
+		ACTUAL_CHECKSUM=$(sha256sum "$TMPFILE" | cut -f 1 -d ' ')
+		if [ "$CHECKSUM" != "SKIP_CHECKSUM" ]; then
+			if [ "$CHECKSUM" != "$ACTUAL_CHECKSUM" ]; then
+				printf >&2 "Wrong checksum for %s:\nExpected: %s\nFound: %s\n" \
+					"$URL" "$ACTUAL_CHECKSUM" "$CHECKSUM"
+				return 1
+			fi
+		elif [ -z "$CHECKSUM" ]; then
+			printf "WARNING: No checksum check for %s:\nExpected: %s\n" \
+				"$URL" "$ACTUAL_CHECKSUM"
+		fi
+		mv "$TMPFILE" "$DESTINATION"
+		return 0
+	fi
+
+	echo "Failed to download $URL" >&2
+	return 1
+}

emerald-binutils.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+EMERALD_SCRIPT_DIR=$(dirname "$(realpath "$0")")
+
+BINUTILS_VER=2.38
+BINUTILS_SHA256=e316477a914f567eccc34d5d29785b8b0f5a10208d36bbacedcc39048ecfe024
+
+EMERALD_BUILD_DIR="$EMERALD_SCRIPT_DIR"/build
+EMERALD_DL_DIR="$EMERALD_SCRIPT_DIR"/dl
+source "$EMERALD_SCRIPT_DIR"/common.sh
+
+# Make sure build/dl directory exists
+mkdir -vp "$EMERALD_BUILD_DIR" "$EMERALD_DL_DIR"
+
+# Getting source
+download https://ftp.gnu.org/gnu/binutils/binutils-"$BINUTILS_VER".tar.xz "$EMERALD_DL_DIR"/binutils-"$BINUTILS_VER".tar.xz "$BINUTILS_SHA256"
+
+if [ ! -d "$EMERALD_BUILD_DIR"/binutils-"$BINUTILS_VER" ]; then
+	tar --directory="$EMERALD_BUILD_DIR" -xJf "$EMERALD_DL_DIR"/binutils-"$BINUTILS_VER".tar.xz
+fi
+
+cd "$EMERALD_BUILD_DIR"/binutils-"$BINUTILS_VER"
+
+# Its suggested to run configure from a seperate directory
+mkdir -vp build && cd "$_"
+
+# Configuration
+../configure --target="$TARGET" --prefix="$PREFIX" \
+	--disable-werror --enable-gold \
+	--enable-plugins --disable-nls
+
+# Building
+make -j4
+make install -j1