If the module is not using the exact same APR lib (ie, 1.4.x instead of 1.5.x) then you could easily get this to happen.
> On Jan 11, 2016, at 2:38 PM, Andy Li <a...@onthewings.net> wrote: > > Hi, > > I'm developing (updating) mod_neko <http://nekovm.org/doc/mod_neko>, a > module that let users to use the Neko VM <http://nekovm.org/> to serve web > requests. > The module already works on Windows and Linux, but I have a problem on Mac. > In fact, the module works on the apache httpd 2.4 installed with > homebrew-apache <https://github.com/Homebrew/homebrew-apache>, but not the > OSX preinstalled httpd (which is also 2.4). > When activating mod_neko on the OSX preinstalled httpd, I can see the log > message from the ap_hook_post_config function, but it will seg fault and > never print the log in ap_hook_child_init. The ap_hook_post_config function > seem to successfully return, since my log statement is merely above its > return statement. > The outputs of apachectl -V/-l/-M of the homebrew httpd and the OSX httpd > can be found at https://gist.github.com/andyli/2e8da482dea18306ff6f > Do you have any idea why this happens? Can this be caused by the OSX httpd > being compiled with an old apr library? Is there a way to know the exact > point of when the process seg fault (a stack trace or something)? > > Best regards, > Andy