Install m68k-elf-binutils with Homebrew, MacPorts

Project links

• Homepage
• Repository
• Upstream docs
• Package manager page

Commands and aliases

• m68k-elf-addr2line
• m68k-elf-ar
• m68k-elf-as
• m68k-elf-c++filt
• m68k-elf-elfedit
• m68k-elf-gprof
• m68k-elf-ld
• m68k-elf-ld.bfd
• m68k-elf-nm
• m68k-elf-objcopy
• m68k-elf-objdump
• m68k-elf-ranlib
• m68k-elf-readelf
• m68k-elf-size
• m68k-elf-strings
• m68k-elf-strip

Project history

GNU Binutils is the GNU project's collection of binary tools. Its central programs are the GNU linker `ld`, the GNU assembler `as`, and the ELF-only `gold` linker, with supporting tools such as `ar`, `nm`, `objcopy`, `objdump`, `readelf`, `size`, `strings`, and `strip`.

The m68k-elf package is not a separate upstream project; it is a cross-toolchain packaging of the same GNU Binutils source for the `m68k-elf` target triplet. The target prefix keeps its assembler, linker, and object tools separate from host-native tools.

GNU Binutils uses the BFD library for low-level binary-file manipulation and the opcodes library for assembly and disassembly. The upstream assembler documentation includes M680x0-dependent features, options, syntax, directives, and opcodes.

Adoption history

Binutils is foundational infrastructure for GNU and GNU/Linux systems because it provides the assembler and linker needed to compile and link programs. Cross builds extend that same infrastructure to embedded, hobbyist, retrocomputing, and operating-system-development targets.

The supplied package facts list Homebrew and MacPorts packaging for `m68k-elf-binutils`, reflecting its niche use by developers building 68k ELF firmware, kernels, and bare-metal experiments on macOS.

How it is used

Users typically pair `m68k-elf-binutils` with `m68k-elf-gcc`. The package installs prefixed tools such as `m68k-elf-as`, `m68k-elf-ld`, `m68k-elf-objcopy`, `m68k-elf-objdump`, and `m68k-elf-readelf` so build systems can target m68k ELF without colliding with host tools.

Common workflows include assembling startup files, linking linker-script-controlled firmware images, inspecting ELF sections and symbols, converting ELF output to raw binaries, and diagnosing relocation or ABI issues.

Why package nerds care

Cross-binutils packages are the first layer of a bare-metal toolchain: without the target assembler, linker, and object utilities, the compiler driver cannot produce useful firmware or kernel images.

For package maintainers, the `m68k-elf-` prefix is the whole trick: it allows multiple target toolchains to coexist while preserving conventional GNU tool names under a target triplet.

Timeline

• 1990s: GNU Binutils became a core GNU toolchain component for assembling, linking, and inspecting binaries
• 2026: GNU Binutils 2.46 documentation published
• 2026: GNU Binutils 2.46.1 listed as the latest release on the official project page
• 2026: Homebrew package facts list target-prefixed m68k-elf executables

Related projects

• m68k-elf-gcc is the matching target-prefixed compiler package.
• GDB shares the upstream binutils-gdb source repository, though this Homebrew package installs the Binutils tools rather than GDB.
• The GNU assembler documentation has M680x0-specific sections for the architecture family targeted by this package.

Sources

• https://sourceware.org/binutils/docs/
• https://sourceware.org/binutils/docs/as/index.html
• https://sourceware.org/binutils/docs/binutils/index.html
• https://www.gnu.org/software/binutils/
• source_facts.executables
• source_facts.package-manager