> How many people pin the exact version of a system library they are using? Or of a binary used in the build process. Linux distributions does. Both Debian and

> How many people pin the exact version of a system library they are using? Or of a binary used in the build process. Linux distributions does. Both Debian and Arch Linux embed information about the entire build environment into the built package. > Also, how many people run the build in a sandbox to avoid "interference" from the environment? Most linux distributions does this.