Makefile.toml

[env]
RUSTFLAGS = "-C linker=${GRAAL_HOME}/languages/llvm/native/bin/clang -C ar=${GRAAL_HOME}/languages/llvm/native/bin/ar -C link-args=-lgraalvm-llvm -Og --emit=llvm-bc"

[tasks.ensure_graal]
condition = { env_not_set = ["GRAAL_HOME"], fail_message = "Found GraalVM in ${GRAAL_HOME}." }
script = '''
echo Environment variable GRAAL_HOME is not set.  Set it to GraalVM\'s root directory. 
exit 1
'''

[tasks.ensure_llvm]
condition = { files_not_exist = ["${GRAAL_HOME}/languages/llvm/native"], fail_message = "Found LLVM toolchain in ${GRAAL_HOME}/languages/llvm/native." }
script = '''
echo LLVM toolchain was not found in ${GRAAL_HOME}/languages/llvm/native.  Try running "gu install llvm-toolchain".
exit 1
'''

[tasks.clean]
command = "cargo"
args = ["clean", "-p", "graal-bindgen", "-p", "graal-bindgen-macros"]

[tasks.bindings]
install_crate = { crate_name = "bindgen", binary = "bindgen", test_arg = "--help" }
command = "bindgen"
args = [
    "${CARGO_MAKE_WORKING_DIRECTORY}/src/header.h",
    "--rust-target",
    "1.40",
    "--no-derive-default",
    "--ctypes-prefix",
    "crate::types::ctypes",
    "--generate",
    "functions,types,vars,methods,constructors,destructors",
    "-o",
    "${CARGO_MAKE_WORKING_DIRECTORY}/src/bindings.rs",
    "--",
    "-I${GRAAL_HOME}/languages/llvm/include",
]

[tasks.build]
command = "cargo"
dependencies = ["ensure_graal", "ensure_llvm", "clean", "bindings"]
args = ["build"]

[tasks.run]
dependencies = ["build"]
script = '''
${GRAAL_HOME}/languages/llvm/bin/lli --polyglot --lib $(rustc --print sysroot)/lib/libstd-* target/debug/deps/graal_bindgen-*.bc
'''

[tasks.test]
command = "cargo"
args = ["test"]
dependencies = ["clean"]