savvy-bindgen 0.6.8

Parse Rust functions, and generate C and R code
Documentation 
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# Even when `cargo` is on `PATH`, `rustc` might not in some cases. This adds
# ~/.cargo/bin to PATH to address such cases. Note that is not always available
# (e.g. or on Ubuntu with Rust installed via APT).
if [ -d "${HOME}/.cargo/bin" ]; then
  export PATH="${PATH}:${HOME}/.cargo/bin"
fi

CARGO_VERSION="$(cargo --version)"

if [ $ret -ne 0 ]; then
  echo "-------------- ERROR: CONFIGURATION FAILED --------------------"
  echo ""
  echo "The cargo command is not available. To install Rust, please refer"
  echo "to the official instruction:"
  echo ""
  echo "https://www.rust-lang.org/tools/install"
  echo ""
  echo "---------------------------------------------------------------"

  exit $ret
fi

# There's a little chance that rustc is not available on PATH while cargo is.
# So, just ignore the error case.
RUSTC_VERSION="$(rustc --version || true)"

# Report the version of Rustc to comply with the CRAN policy
echo "using Rust package manager: '${CARGO_VERSION}'"
echo "using Rust compiler: '${RUSTC_VERSION}'"

if [ "$(uname)" = "Emscripten" ]; then
  TARGET="wasm32-unknown-emscripten"
fi

sed -e "s/@TARGET@/${TARGET}/" src/Makevars.in > src/Makevars