dyld: DYLD_ environment variables being ignored because main executable (/usr/bin/sudo) is setuid or setgid

This seems to be a bug introduced in 10.8, see this report. As far as I can tell, the only workaround is not setting DYLD_LIBRARY_PATH or LD_LIBRARY_PATH by default, but only when needed.

In zsh:

sudo () { ( unset LD_LIBRARY_PATH DYLD_LIBRARY_PATH; exec command sudo $* ) }

This spawns a sub-shell in which the environment variables sudo complains about are unset, and then executes sudo (via exec so that the now-unecessary parent shell exits immediately).

I'll leave it as an exercise to the reader to port to bash, et al.

Not sure where the official solve is for this, but I solved it with this bashrc hack, because I couldn't deal with seeing that damn warning any longer.

put this in the /etc/bashrc or wherever yours lives.

# set DYLD_* for my normal programs
DYLD_LIBRARY_PATH='..'
 
# set an alternative sudo
thesudo()
{
# back up the DYLD_* variables
local BACK=$DYLD_LIBRARY_PATH
# unset DYLD_*
unset DYLD_LIBRARY_PATH
# calling sudo
/usr/bin/sudo "$@"
# restore DYLD_* after sudo finished
export DYLD_LIBRARY_PATH=$BACK
}
 
# redirect sudo
alias sudo=thesudo