“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code signed?

Question

I\'m under osx 10.8.4 and have installed gdb 7.5.1 with homebrew (motivation get a new gdb with new features such as --with-python etc... )

Long story short when I

Answer 1

For anyone who using Sierra 10.12.6 (and above) and Homebrew, /usr/local/bin/gdb is a symbolic link to /usr/local/Cellar/gdb/8.0/bin/gdb (or whatever version, e.g. 8.0.1).

You need to codesign both link and target:

codesign -fs gdb-cert /usr/local/bin/gdb
codesign -fs gdb-cert "/usr/local/Cellar/gdb/8.0/bin/gdb"

Or, if you have greadlink (installed via brew install coreutils):

codesign -fs gdb-cert $(which gdb)
codesign -fs gdb-cert $(greadlink -f $(which gdb))