Rust wrapper for libctru
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#!/usr/bin/env bash
set -euo pipefail
echo "Determining libctru version..."
pacman=dkp-pacman
if ! command -v $pacman &>/dev/null; then
pacman=pacman
if ! command -q $pacman &>/dev/null; then
echo >&2 "ERROR: Unable to automatically determine libctru version!"
exit 1
fi
fi
LIBCTRU_VERSION="$($pacman -Qi libctru | grep Version | cut -d: -f 2 | tr -d ' ')"
CTRU_SYS_VERSION="$(
printf '%s' "$LIBCTRU_VERSION" |
cut -d- -f1 |
sed -E 's/^([0-9]+)\.([0-9.]+)$/\1\2/'
)"
echo "Generating bindings.rs..."
bindgen "$DEVKITPRO/libctru/include/3ds.h" \
--rust-target nightly \
--use-core \
--distrust-clang-mangling \
--must-use-type 'Result' \
--no-layout-tests \
--ctypes-prefix "::libc" \
--no-prepend-enum-name \
--generate "functions,types,vars" \
--blocklist-type "u(8|16|32|64)" \
--blocklist-type "__builtin_va_list" \
--blocklist-type "__va_list" \
--opaque-type "MiiData" \
--with-derive-default \
-- \
--target=arm-none-eabi \
--sysroot="$DEVKITARM/arm-none-eabi" \
-isystem"$DEVKITARM/arm-none-eabi/include" \
-I"$DEVKITPRO/libctru/include" \
-mfloat-abi=hard \
-march=armv6k \
-mtune=mpcore \
-mfpu=vfp \
-DARM11 \
-D__3DS__ \
> src/bindings.rs
echo "Updating docstrings in bindings.rs..."
cargo run --quiet --package docstring-to-rustdoc -- src/bindings.rs
echo "Formatting generated files..."
cargo fmt --all
echo "Generated bindings for ctru-sys version \"${CTRU_SYS_VERSION}.x+${LIBCTRU_VERSION}\""