Cctools 6.5 May 2026

If you want, I can:

Cctools is a software package originally developed by Apple that provides a set of low-level command-line tools and libraries used for creating, linking, inspecting, and manipulating Mach-O binaries and related build artifacts on macOS and related platforms. It historically includes utilities such as the linker (ld), various object-file utilities (ar, ranlib analogs), code-signing helpers, inspection tools (otool), and other components for working with Mach-O object files, dynamic libraries, and executables.

CCTools 6.5 deeply integrates with the Martinize2 Python library. Unlike older versions that relied on rigid mapping scripts, v6.5 allows for: Cctools 6.5

git checkout tags/v6.5

Full Changelog: [Link to diff]

Even today, developers may encounter cctools 6.5 when:

Suppose you have two binaries: app_x86_64 and app_arm64. With Cctools 6.5: If you want, I can: Cctools is a

lipo -create -output app_universal app_x86_64 app_arm64
lipo -info app_universal

Output: Architectures in the fat file: app_universal are: x86_64 arm64