build_settings.json

{
    "RUSTFLAGS": "-C inline-threshold=1000",
    "build_dir": "/tmp/ensmallen_build",
    "build_command": "cargo zigbuild --release --manifest-path=bindings/python/Cargo.toml",
    "archs": [
        {
            "triple": "x86_64-unknown-linux-gnu.2.16",
            "build_tag": "-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64",
            "targets": {
                "x86-64-v4": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v4"
                },
                "x86-64-v3": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v3"
                },
                "x86-64-v2": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v2"
                }
            },
            "env": {
                "PYO3_CROSS_INCLUDE_DIR": "/dfd/python_cross/linux/x86_64/Python37/include",
                "PYO3_CROSS_LIB_DIR": "/dfd/python_cross/linux/x86_64/Python37/lib",
                "CC": "zig cc -target x86_64-linux-gnu.2.16",
                "CXX": "zig c++ -target x86_64-linux-gnu.2.16",
                "AR": "zig ar"
            }
        },
        {
            "triple": "aarch64-unknown-linux-gnu.2.16",
            "build_tag": "-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64",
            "RUSTFLAGS": "-C link-args=-L/dfd/python_cross/linux/aarch64/lib",
            "targets": {
                "m1": {
                    "RUSTFLAGS": "-C target-cpu=apple-m1"
                },
                "generic": {
                    "RUSTFLAGS": "-C target-cpu=generic"
                }
            },
            "env": {
                "PYO3_CROSS_INCLUDE_DIR": "/dfd/python_cross/linux/aarch64/Python37/include",
                "PYO3_CROSS_LIB_DIR": "/dfd/python_cross/linux/aarch64/Python37/lib",
                "OPENSSL_INCLUDE_DIR": "/dfd/python_cross/linux/aarch64/openssl/include",
                "OPENSSL_LIB_DIR": "/dfd/python_cross/linux/aarch64/openssl/lib",
                "OPENSSL_STATIC": "0",
                "CC": "zig cc -target aarch64-linux-gnu.2.16",
                "CXX": "zig c++ -target aarch64-linux-gnu.2.16",
                "AR": "zig ar"
            }
        },
        {
            "triple": "x86_64-pc-windows-gnu",
            "build_tag": "-abi3-win_amd64",
            "targets": {
                "x86-64-v3": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v3"
                },
                "x86-64-v2": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v2"
                }
            },
            "env": {
                "PYO3_CROSS_INCLUDE_DIR": "/dfd/python_cross/windows/x86_64/Python37/include",
                "PYO3_CROSS_LIB_DIR": "/dfd/python_cross/windows/x86_64/Python37/lib",
                "CC": "zig cc -target x86_64-windows",
                "CXX": "zig c++ -target x86_64-windows",
                "AR": "zig ar"
            }
        },
        {
            "enabled": false,
            "triple": "x86_64-apple-darwin",
            "build_tag": "-abi3-macosx_10_7_x86_64",
            "targets": {
                "x86-64-v3": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v3"
                },
                "x86-64-v2": {
                    "RUSTFLAGS": "-C target-cpu=x86-64-v2"
                }
            },
            "env": {
                "PYO3_CROSS_INCLUDE_DIR": "/dfd/python_cross/windows/Python37/include",
                "PYO3_CROSS_LIB_DIR": "/dfd/python_cross/windows/Python37/lib",
                "CC": "zig cc -target x86_64-macos",
                "CXX": "zig c++ -target x86_64-macos",
                "AR": "zig ar"
            }
        },
        {
            "enabled": false,
            "triple": "aarch64-apple-darwin",
            "build_tag": "-abi3-macosx_11_0_arm64",
            "targets": {
                "m1": {
                    "RUSTFLAGS": "-C target-cpu=apple-m1"
                }
            },
            "env": {
                "PYO3_CROSS_INCLUDE_DIR": "/dfd/python_cross/windows/Python37/include",
                "PYO3_CROSS_LIB_DIR": "/dfd/python_cross/windows/Python37/lib",
                "CC": "zig cc -target aarch64-macos",
                "CXX": "zig c++ -target aarch64-macos",
                "AR": "zig ar"
            }
        }
    ]
}