libfaketime and Mac OS, LD_PRELOAD

StackOverflow https://stackoverflow.com/questions/9073934

  •  21-04-2021
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Question

Running Mac OS 10.7.2 and trying to run libfaketime and nothing happen. I installed and ran exactly as directed only the time and date stay exactly as are set in the system? Is anyone else able to successfully run this on OSX? 

$ date
Mon Jan 30 21:05:09 CST 2012
$ LD_PRELOAD=./libfaketime.so.1 FAKETIME="-15d" date
Mon Jan 30 21:05:32 CST 2012
Was it helpful?

Solution

Everything on OSX is prefixed DYLD, not LD. And they change the names a bit.. I think what you want is:

DYLD_INSERT_LIBRARIES

This is a colon separated list of dynamic libraries to load before the ones specified in the program. This lets you test new modules of existing dynamic shared libraries that are used in flat- namespace images by loading a temporary dynamic shared library with just the new modules. Note that this has no effect on images built a two-level namespace images using a dynamic shared library unless DYLD_FORCE_FLAT_NAMESPACE is also used.

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