meta: add build system

configure-build

@@ -0,0 +1,47 @@
+#!/bin/bash
+# vim: ft=bash
+
+target_arch=$1
+
+if [ ! -n "$target_arch" ]; then
+	echo "Usage: $0 <target arch>"
+	exit -1
+fi
+
+source_dir=$(realpath $(dirname "$0"))
+native_build_dir=$source_dir/build-native
+target_build_dir=$source_dir/build
+sysroot_dir=$target_build_dir/sysroot
+
+if [ ! -d "$source_dir/arch/$target_arch" ]; then
+	echo "FATAL: Specified target architecture $target_arch is not supported. See arch/ directory for a list of supported architectures."
+	exit -1
+fi
+
+rm -rf $native_build_dir $target_build_dir
+mkdir -p $native_build_dir $target_build_dir
+
+pushd $native_build_dir > /dev/null
+
+cmake \
+	-DCMAKE_RUNTIME_OUTPUT_DIRECTORY="$native_build_dir/bin" \
+	-DCMAKE_LIBRARY_OUTPUT_DIRECTORY="$native_build_dir/lib" \
+	-DCMAKE_ARCHIVE_OUTPUT_DIRECTORY="$native_build_dir/lib" \
+	-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+	$source_dir/kernel/tools
+
+popd
+
+pushd $target_build_dir > /dev/null
+
+cmake \
+	-DBUILD_TOOLS_DIR=$native_build_dir/bin \
+	-DCMAKE_INSTALL_PREFIX=$sysroot_dir \
+	-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+	-DTARGET_ARCH=$target_arch \
+	$source_dir \
+	-DCMAKE_MODULE_PATH=$source_dir/arch/$target_arch \
+	-DCMAKE_SYSTEM_NAME=Rosetta \
+	-DCMAKE_TOOLCHAIN_FILE=$source_dir/arch/$target_arch/Platform/Rosetta.cmake
+
+popd > /dev/null